Rename a number of libraries and executables to avoid conflicts with KDE4

23 files changed, 3795 insertions, 0 deletions

diff --git a/tderesources/caldav/CMakeLists.txt b/tderesources/caldav/CMakeLists.txt
new file mode 100644
index 000000000..b43b5461f
--- /dev/null
+++ b/tderesources/caldav/CMakeLists.txt
@@ -0,0 +1,54 @@
+#################################################
+#
+#  (C) 2010-2011 Serghei Amelian
+#  serghei (DOT) amelian (AT) gmail.com
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+include( ConfigureChecks.cmake )
+
+include_directories(
+  ${CMAKE_CURRENT_BINARY_DIR}
+  ${CMAKE_SOURCE_DIR}
+  ${CMAKE_SOURCE_DIR}/libtdepim
+  ${TDE_INCLUDE_DIR}
+  ${TQT_INCLUDE_DIRS}
+  ${CALDAV_INCLUDE_DIRS}
+)
+
+link_directories(
+  ${TQT_LIBRARY_DIRS}
+  ${CALDAV_LIBRARY_DIRS}
+)
+
+
+##### other data ################################
+
+install(
+  FILES kcal_caldav.desktop
+  DESTINATION ${SERVICES_INSTALL_DIR}/tderesources/kcal )
+
+
+##### kcal_caldav (module) ######################
+
+tde_add_kpart( kcal_caldav AUTOMOC
+  SOURCES plugin.cpp
+  LINK kcal_caldav-shared
+  DESTINATION ${PLUGIN_INSTALL_DIR}
+)
+
+
+##### kcal_caldav (shared) #########################
+
+tde_add_library( kcal_caldav SHARED AUTOMOC
+  SOURCES
+    resource.cpp config.cpp configwidgets.cpp preferences.cpp job.cpp
+    reader.cpp writer.cpp prefsskel.kcfgc
+  VERSION 1.0.0
+  LINK tdepim-shared ${CALDAV_LIBRARIES}
+  DESTINATION ${LIB_INSTALL_DIR}
+)
diff --git a/tderesources/caldav/ConfigureChecks.cmake b/tderesources/caldav/ConfigureChecks.cmake
new file mode 100644
index 000000000..e98ff721d
--- /dev/null
+++ b/tderesources/caldav/ConfigureChecks.cmake
@@ -0,0 +1,32 @@
+#################################################
+#
+#  (C) 2010-2011 Serghei Amelian
+#  serghei (DOT) amelian (AT) gmail.com
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+# FIXME we need to check for patched library
+
+# libcaldav
+pkg_search_module( CALDAV libcaldav )
+if( CALDAV_FOUND )
+  execute_process(
+    COMMAND pkg-config libcaldav --variable=pkgincludedir
+    OUTPUT_VARIABLE _incdir
+    RESULT_VARIABLE _result
+    OUTPUT_STRIP_TRAILING_WHITESPACE )
+  execute_process(
+    COMMAND pkg-config libcaldav --variable=pkglibdir
+    OUTPUT_VARIABLE _libdir
+    RESULT_VARIABLE _result
+    OUTPUT_STRIP_TRAILING_WHITESPACE )
+  list( APPEND CALDAV_INCLUDE_DIRS ${_incdir} )
+  list( APPEND CALDAV_LIBRARY_DIRS ${_libdir} )
+  list( APPEND CALDAV_LIBRARIES caldav )
+else( )
+  tde_message_fatal( "libcaldav is requested, but was not found on your system" )
+endif( )
diff --git a/tderesources/caldav/Makefile.am b/tderesources/caldav/Makefile.am
new file mode 100644
index 000000000..7749b022a
--- /dev/null
+++ b/tderesources/caldav/Makefile.am
@@ -0,0 +1,34 @@
+INCLUDES = -I$(top_srcdir) $(all_includes)
+
+lib_LTLIBRARIES = libkcal_caldav.la
+
+libkcal_caldav_la_SOURCES = resource.cpp \
+                               config.cpp \
+                               configwidgets.cpp \
+                               preferences.cpp \
+                               job.cpp \
+                               reader.cpp \
+                               writer.cpp \
+                               prefsskel.kcfgc
+libkcal_caldav_la_LDFLAGS = $(KDE_RPATH) $(all_libraries) \
+                               -version-info 1:0:0 -no-undefined
+libkcal_caldav_la_LIBADD = \
+                              $(top_builddir)/libkcal/libkcal.la \
+                              $(top_builddir)/libtdepim/libtdepim.la \
+                              -lcaldav
+libkcal_caldav_la_COMPILE_FIRST = prefsskel.h
+
+kde_module_LTLIBRARIES = kcal_caldav.la
+
+kcal_caldav_la_SOURCES = plugin.cpp
+kcal_caldav_la_LDFLAGS = $(all_libraries) -module $(KDE_PLUGIN)
+kcal_caldav_la_LIBADD = libkcal_caldav.la
+kcal_caldav_la_COMPILE_FIRST = prefsskel.h
+
+kcal_servicedir = $(kde_servicesdir)/tderesources/kcal
+kcal_service_DATA = kcal_caldav.desktop
+
+METASOURCES = AUTO
+
+messages: rc.cpp
+	$(XGETTEXT) *.cpp -o $(podir)/kres_caldav.pot
diff --git a/tderesources/caldav/config.cpp b/tderesources/caldav/config.cpp
new file mode 100644
index 000000000..0a07aafc9
--- /dev/null
+++ b/tderesources/caldav/config.cpp
@@ -0,0 +1,208 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Configuration and properties dialog
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "resource.h"
+#include "config.h"
+#include "configwidgets.h"
+
+#include <kcombobox.h>
+#include <kdebug.h>
+#include <kdialog.h>
+#include <klocale.h>
+#include <klineedit.h>
+#include <klistview.h>
+#include <kurlrequester.h>
+
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqcheckbox.h>
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| CONSTANTS
+ ========================================================================*/
+
+/*=========================================================================
+| STATIC METHODS
+ ========================================================================*/
+
+ResourceCalDav* ResourceCalDavConfig::getCalDavResource(KRES::Resource* resource) {
+    ResourceCalDav *res = dynamic_cast<ResourceCalDav *>( resource );
+    if (!res) {
+        kdDebug() << "invalid resource type" << '\n';
+    }
+
+    return res;
+}
+
+CalDavPrefs* ResourceCalDavConfig::getPrefs(ResourceCalDav* res) {
+    CalDavPrefs* p = NULL;
+
+    if (res) {
+        p = res->prefs();
+        if (!p) {
+            kdDebug() << "CalDAV: res->prefs() returned NULL" << '\n';
+        }
+    }
+
+    return p;
+}
+
+/*=========================================================================
+| CONSTRUCTOR / DESTRUCTOR
+ ========================================================================*/
+
+ResourceCalDavConfig::ResourceCalDavConfig( TQWidget *parent )
+    : KRES::ConfigWidget( parent )
+{
+    setupUI();
+}
+
+/*=========================================================================
+| METHODS
+ ========================================================================*/
+
+void ResourceCalDavConfig::loadSettings( KRES::Resource *resource ) {
+    ResourceCalDav* res = getCalDavResource(resource);
+    CalDavPrefs* p = getPrefs(res);
+    if (NULL != p) {
+        mUrl->setText(p->url());
+        mUsername->setText(p->username());
+        mRememberPassword->setChecked(p->rememberPassword());
+        mPassword->setText(p->password());
+        mTasksUrl->setText(p->tasksUrl());
+        mJournalsUrl->setText(p->journalsUrl());
+        mUseSTasks->setChecked(p->useSTasks());
+        mUseSJournals->setChecked(p->useSJournals());
+
+        mReloadConfig->loadSettings(res);
+        mSaveConfig->loadSettings(res);
+    }
+}
+
+void ResourceCalDavConfig::saveSettings( KRES::Resource *resource ) {
+    ResourceCalDav* res = getCalDavResource(resource);
+    if (NULL != res) {
+        mReloadConfig->saveSettings(res);
+        mSaveConfig->saveSettings(res);
+
+        CalDavPrefs* p = getPrefs(res);
+        if (NULL != p) {
+            p->setUrl(mUrl->text());
+            p->setUsername(mUsername->text());
+            p->setRememberPassword(mRememberPassword->isChecked());
+            p->setPassword(mPassword->text());
+            p->setTasksUrl(mTasksUrl->text());
+            p->setUseSTasks(mUseSTasks->isChecked());
+            p->setJournalsUrl(mJournalsUrl->text());
+            p->setUseSJournals(mUseSJournals->isChecked());
+        }
+    }
+}
+
+void ResourceCalDavConfig::setupUI() {
+    TQVBoxLayout *vertical = new TQVBoxLayout(this);
+
+    TQGridLayout *mainLayout = new TQGridLayout( this );
+
+    // URL
+    TQLabel *label = new TQLabel( i18n( "URL:" ), this );
+    mUrl = new TQLineEdit( this );
+    mainLayout->addWidget( label, 1, 0 );
+    mainLayout->addWidget( mUrl, 1, 1 );
+
+    // Tasks URL
+    TQLabel *tlabel = new TQLabel( i18n( "Tasks URL:" ), this );
+    mTasksUrl = new TQLineEdit( this );
+    mainLayout->addWidget( tlabel, 3, 0 );
+    mainLayout->addWidget( mTasksUrl, 3, 1 );
+
+    // Use Task URL checkbox
+    mUseSTasks = new TQCheckBox( i18n("Use separate Tasks URL"), this );
+    mainLayout->addWidget(mUseSTasks, 2, 0 );
+
+    // Journals URL
+    TQLabel *jlabel = new TQLabel( i18n( "Journals URL:" ), this );
+    mJournalsUrl = new TQLineEdit( this );
+    mainLayout->addWidget( jlabel, 5, 0 );
+    mainLayout->addWidget( mJournalsUrl, 5, 1 );
+
+    // Use Journal URL checkbox
+    mUseSJournals = new TQCheckBox( i18n("Use separate Journals URL"), this );
+    mainLayout->addWidget(mUseSJournals, 4, 0 );
+
+    // Username
+    label = new TQLabel( i18n( "Username:" ), this );
+    mUsername = new TQLineEdit( this );
+    mainLayout->addWidget( label, 6, 0 );
+    mainLayout->addWidget( mUsername, 6, 1 );
+
+    // Password
+    label = new TQLabel( i18n( "Password:" ), this );
+    mPassword = new TQLineEdit( this );
+    mPassword->setEchoMode( TQLineEdit::Password );
+    mainLayout->addWidget( label, 7, 0 );
+    mainLayout->addWidget( mPassword, 7, 1 );
+
+    // Remember password checkbox
+    mRememberPassword = new TQCheckBox( i18n("Remember password"), this );
+    mainLayout->addWidget(mRememberPassword, 8, 1);
+
+    mTasksUrl->setEnabled(mUseSTasks->isChecked());
+    connect( mUseSTasks, TQT_SIGNAL( toggled( bool ) ),
+           TQT_SLOT( slotSTasksToggled( bool ) ) );
+
+    mJournalsUrl->setEnabled(mUseSJournals->isChecked());
+    connect( mUseSJournals, TQT_SIGNAL( toggled( bool ) ),
+           TQT_SLOT( slotSJournalsToggled( bool ) ) );
+
+    // configs
+    TQHBoxLayout* horizontal = new TQHBoxLayout(this);
+
+    // Reload config
+    mReloadConfig = new CalDavReloadConfig(this);
+    horizontal->addWidget(mReloadConfig);
+
+    // Save config
+    mSaveConfig = new CalDavSaveConfig(this);
+    horizontal->addWidget(mSaveConfig);
+
+    // FIXME: This feature does not work; hide the UI elements for later use
+    mRememberPassword->hide();
+    label->hide();
+    mPassword->hide();
+
+    // combining layouts
+    vertical->addLayout(mainLayout);
+    vertical->addLayout(horizontal);
+}
+
+void ResourceCalDavConfig::slotSTasksToggled( bool enabled ) {
+    mTasksUrl->setEnabled(enabled);
+}
+
+void ResourceCalDavConfig::slotSJournalsToggled( bool enabled ) {
+    mJournalsUrl->setEnabled(enabled);
+}
+
+#include "config.moc"
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/config.h b/tderesources/caldav/config.h
new file mode 100644
index 000000000..fe03114c3
--- /dev/null
+++ b/tderesources/caldav/config.h
@@ -0,0 +1,88 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Configuration and properties dialog
+ ========================================================================*/
+
+#ifndef KCAL_RESOURCECALDAVCONFIG_H
+#define KCAL_RESOURCECALDAVCONFIG_H
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "resource.h"
+
+#include <kdemacros.h>
+#include <tderesources/configwidget.h>
+
+class TQLineEdit;
+class TQCheckBox;
+
+namespace KCal {
+
+class CalDavReloadConfig;
+class CalDavSaveConfig;
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * Configuration widget for CalDAV resource.
+ */
+class KDE_EXPORT ResourceCalDavConfig : public KRES::ConfigWidget
+{
+    Q_OBJECT
+  
+
+public:
+
+    ResourceCalDavConfig(TQWidget *parent = 0);
+
+public slots:
+
+    virtual void loadSettings(KRES::Resource *resource);
+    virtual void saveSettings(KRES::Resource *resource);
+
+    void slotSTasksToggled( bool );
+    void slotSJournalsToggled( bool );
+
+protected:
+
+    virtual void setupUI();
+
+private:
+
+    TQLineEdit *mUrl;
+    TQLineEdit *mTasksUrl;
+    TQLineEdit *mJournalsUrl;
+    TQLineEdit *mUsername;
+    TQLineEdit *mPassword;
+    TQCheckBox *mUseSTasks;
+    TQCheckBox *mUseSJournals;
+    TQCheckBox *mRememberPassword;
+    CalDavReloadConfig* mReloadConfig;
+    CalDavSaveConfig* mSaveConfig;
+
+    static ResourceCalDav* getCalDavResource(KRES::Resource* res);
+
+    /**
+     * Returns preferences of the given ResourceCalDav object.
+     * @param res resource object.
+     * @return if preferences object is obtained successfully, it's returned. Otherwise, NULL is returned.
+     */
+    static CalDavPrefs* getPrefs(ResourceCalDav* res);
+};
+
+} // namespace KCal
+
+
+#endif //  KCAL_RESOURCECALDAVCONFIG_H
+
diff --git a/tderesources/caldav/configwidgets.cpp b/tderesources/caldav/configwidgets.cpp
new file mode 100644
index 000000000..ab8c79050
--- /dev/null
+++ b/tderesources/caldav/configwidgets.cpp
@@ -0,0 +1,249 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Automatic Reload / Automatic Save configuration widgets.
+| The code is mostly taken from resourcecachedconfig.h/cpp files from
+| the kcal library and changed to meet our requirements.
+| The original copyright is below.
+ ========================================================================*/
+/*
+  This file is part of the kcal library.
+
+  Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
+
+#include "configwidgets.h"
+
+#include <libkcal/resourcecached.h>
+
+#include <klocale.h>
+#include <kdebug.h>
+
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqcheckbox.h>
+#include <tqradiobutton.h>
+#include <tqspinbox.h>
+#include <tqbuttongroup.h>
+#include <tqgroupbox.h>
+#include <tqhbox.h>
+
+using namespace KCal;
+
+//@cond PRIVATE
+class CalDavConfigPrivate
+{
+  public:
+    CalDavConfigPrivate()
+      : mGroup( 0 ),
+        mIntervalSpin( 0 ) {}
+
+    TQButtonGroup *mGroup;
+    TQSpinBox *mIntervalSpin;
+};
+
+class CalDavReloadConfig::Private
+  : public CalDavConfigPrivate
+{
+};
+
+class CalDavSaveConfig::Private
+  : public CalDavConfigPrivate
+{
+};
+//@endcond
+
+CalDavReloadConfig::CalDavReloadConfig( TQWidget *parent )
+  : TQWidget( parent ), d( new KCal::CalDavReloadConfig::Private() )
+{
+  TQBoxLayout *topLayout = new TQVBoxLayout( this );
+
+  //TQGroupBox *groupBox = new TQGroupBox( i18nc( "@title:group", "Automatic Reload" ), this );
+  TQGroupBox *groupBox = new TQGroupBox( i18n( "Automatic Reload" ), this );
+  topLayout->addWidget( groupBox );
+
+  TQRadioButton *noAutomaticReload =
+    new TQRadioButton(
+      //i18nc( "@option:radio never reload the cache", "Never" ), groupBox );
+      i18n( "Never" ), groupBox );
+  TQRadioButton *automaticReloadOnStartup =
+    new TQRadioButton(
+      //i18nc( "@option:radio reload the cache on startup", "Only on startup" ), groupBox );
+      i18n( "Only on startup" ), groupBox );
+  TQRadioButton *intervalRadio =
+    new TQRadioButton(
+//       i18nc( "@option:radio reload the cache at regular intervals",
+//              "Regular interval" ), groupBox );
+      i18n( "Regular interval" ), groupBox );
+
+  d->mGroup = new TQButtonGroup( this );
+  d->mGroup->hide();
+  d->mGroup->insert( intervalRadio, 2 );
+  d->mGroup->insert( automaticReloadOnStartup, 1 );
+  d->mGroup->insert( noAutomaticReload, 0 );
+
+  connect( intervalRadio, TQT_SIGNAL( toggled( bool ) ),
+           TQT_SLOT( slotIntervalToggled( bool ) ) );
+
+  TQHBox *intervalBox = new TQHBox( groupBox );
+  //new TQLabel( i18nc( "@label:spinbox", "Interval in minutes:" ), intervalBox );
+  new TQLabel( i18n( "Interval in minutes:" ), intervalBox );
+  d->mIntervalSpin = new TQSpinBox( intervalBox );
+  d->mIntervalSpin->setRange( 1, 900 );
+  d->mIntervalSpin->setEnabled( false );
+
+  groupBox->setColumnLayout(1, Qt::Vertical);
+  TQVBoxLayout *vbox = new TQVBoxLayout(groupBox->layout());
+  vbox->addWidget(intervalRadio);
+  vbox->addWidget(intervalBox);
+  vbox->addWidget(automaticReloadOnStartup);
+  vbox->addWidget(noAutomaticReload);
+  vbox->addStretch(1);
+}
+
+CalDavReloadConfig::~CalDavReloadConfig()
+{
+   delete d;
+}
+
+void CalDavReloadConfig::loadSettings( ResourceCached *resource )
+{
+  d->mIntervalSpin->setValue( resource->reloadInterval() );
+  d->mGroup->setButton( resource->reloadPolicy() );
+}
+
+void CalDavReloadConfig::saveSettings( ResourceCached *resource )
+{
+  resource->setReloadInterval( d->mIntervalSpin->value() );
+  resource->setReloadPolicy( d->mGroup->selectedId() );
+}
+
+void CalDavReloadConfig::slotIntervalToggled( bool checked )
+{
+  if ( checked ) {
+    d->mIntervalSpin->setEnabled( true );
+  } else {
+    d->mIntervalSpin->setEnabled( false );
+  }
+}
+
+CalDavSaveConfig::CalDavSaveConfig( TQWidget *parent )
+  : TQWidget( parent ), d( new KCal::CalDavSaveConfig::Private() )
+{
+  TQBoxLayout *topLayout = new TQVBoxLayout( this );
+
+  //TQGroupBox *groupBox = new TQGroupBox( i18nc( "@title:group", "Automatic Save" ), this );
+  TQGroupBox *groupBox = new TQGroupBox( i18n( "Automatic Save" ), this );
+  d->mGroup = new TQButtonGroup( this );
+  d->mGroup->hide();
+  topLayout->addWidget( groupBox );
+
+  TQRadioButton *never =
+    new TQRadioButton(
+      //i18nc( "@option:radio never save the cache automatically", "Never" ), groupBox );
+      i18n( "Never" ), groupBox );
+  TQRadioButton *onExit =
+    new TQRadioButton(
+      //i18nc( "@option:radio save the cache on exit", "Only on exit" ), groupBox );
+      i18n( "Only on exit" ), groupBox );
+
+  TQRadioButton *intervalRadio =
+    new TQRadioButton(
+      //i18nc( "@option:radio save the cache at regular intervals", "Regular interval" ), groupBox );
+      i18n( "Regular interval" ), groupBox );
+
+  d->mGroup = new TQButtonGroup( this );
+  d->mGroup->hide();
+  d->mGroup->insert( never, 0 );
+  d->mGroup->insert( onExit, 1 );
+  d->mGroup->insert( intervalRadio, 2 );
+
+  connect( intervalRadio, TQT_SIGNAL( toggled( bool ) ),
+           TQT_SLOT( slotIntervalToggled( bool ) ) );
+
+  TQHBox *intervalBox = new TQHBox( groupBox );
+  //new TQLabel( i18nc( "@label:spinbox", "Interval in minutes:" ), intervalBox );
+  new TQLabel( i18n( "Interval in minutes:" ), intervalBox );
+  d->mIntervalSpin = new TQSpinBox( intervalBox );
+  d->mIntervalSpin->setRange( 1, 900 );
+  d->mIntervalSpin->setEnabled( false );
+
+  TQRadioButton *delay =
+    new TQRadioButton(
+//       i18nc( "@option:radio save the cache after some delay",
+//              "Delayed after changes" ), groupBox );
+      i18n( "Delayed after changes" ), groupBox );
+  TQRadioButton *every =
+    new TQRadioButton(
+//       i18nc( "@option:radio save the cache after every modification",
+//              "Immediately after changes" ), groupBox );
+      i18n( "Immediately after changes" ), groupBox );
+  d->mGroup->insert( delay, 3 );
+  d->mGroup->insert( every, 4 );
+
+  // hide unwanted widgets. They may be useful in future, so don't delete them for now.
+  intervalRadio->hide();
+  intervalBox->hide();
+
+  groupBox->setColumnLayout(1, Qt::Vertical);
+  TQVBoxLayout *vbox = new TQVBoxLayout(groupBox->layout());
+  vbox->addWidget(delay);
+  vbox->addWidget(every);
+  vbox->addWidget(intervalRadio);
+  vbox->addWidget(intervalBox);
+  vbox->addWidget(onExit);
+  vbox->addWidget(never);
+  vbox->addStretch(1);
+
+}
+
+CalDavSaveConfig::~CalDavSaveConfig()
+{
+  delete d;
+}
+
+void CalDavSaveConfig::loadSettings( ResourceCached *resource )
+{
+  d->mIntervalSpin->setValue( resource->saveInterval() );
+  d->mGroup->setButton( resource->savePolicy() );
+}
+
+void CalDavSaveConfig::saveSettings( ResourceCached *resource )
+{
+  resource->setSaveInterval( d->mIntervalSpin->value() );
+  resource->setSavePolicy( d->mGroup->selectedId() );
+}
+
+void CalDavSaveConfig::slotIntervalToggled( bool checked )
+{
+  if ( checked ) {
+    d->mIntervalSpin->setEnabled( true );
+  } else {
+    d->mIntervalSpin->setEnabled( false );
+  }
+}
+
+#include "configwidgets.moc"
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/configwidgets.h b/tderesources/caldav/configwidgets.h
new file mode 100644
index 000000000..1e5248446
--- /dev/null
+++ b/tderesources/caldav/configwidgets.h
@@ -0,0 +1,102 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Automatic Reload / Automatic Save configuration widgets.
+| The code is mostly taken from resourcecachedconfig.h/cpp files from
+| the kcal library and changed to meet our requirements.
+| The original copyright is below.
+ ========================================================================*/
+/*
+  This file is part of the kcal library.
+
+  Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
+#ifndef KCALDAV_AUTOWIDGETS_H
+#define KCALDAV_AUTOWIDGETS_H
+
+#include <tqwidget.h>
+#include <kdemacros.h>
+
+namespace KCal {
+
+class ResourceCached;
+
+/**
+  Configuration widget for reload policy
+
+  @see ResourceCached
+*/
+class KDE_EXPORT CalDavReloadConfig : public TQWidget
+{
+  Q_OBJECT
+  
+  public:
+    explicit CalDavReloadConfig( TQWidget *parent = 0 );
+    ~CalDavReloadConfig();
+  public slots:
+    void loadSettings( ResourceCached *resource );
+    void saveSettings( ResourceCached *resource );
+
+  protected slots:
+    void slotIntervalToggled( bool );
+
+  private:
+    //@cond PRIVATE
+    //TQ_DISABLE_COPY( CalDavReloadConfig )
+    class Private;
+    Private *const d;
+    //@endcond
+};
+
+/**
+  Configuration widget for save policy
+
+  @see ResourceCached
+*/
+class KDE_EXPORT CalDavSaveConfig : public TQWidget
+{
+    Q_OBJECT
+  
+  public:
+    explicit CalDavSaveConfig( TQWidget *parent = 0 );
+    ~CalDavSaveConfig();
+
+  public slots:
+    void loadSettings( ResourceCached *resource );
+    void saveSettings( ResourceCached *resource );
+
+  protected slots:
+    void slotIntervalToggled( bool );
+
+  private:
+    //@cond PRIVATE
+    //TQ_DISABLE_COPY( CalDavSaveConfig )
+    class Private;
+    Private *const d;
+    //@endcond
+};
+
+}
+
+#endif // KCALDAV_AUTOWIDGETS_H
diff --git a/tderesources/caldav/export.h b/tderesources/caldav/export.h
new file mode 100644
index 000000000..c439f53f4
--- /dev/null
+++ b/tderesources/caldav/export.h
@@ -0,0 +1,56 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Some support macros.
+| The code is mostly taken from KDE source files.
+| The original copyright is below.
+ ========================================================================*/
+/*  This file is part of the KDE project
+    Copyright (C) 2008 Jarosław Staniek <staniek@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KRESOURCES_TDEPIM_EXPORT_H
+#define KRESOURCES_TDEPIM_EXPORT_H
+
+/** Exports a function returning tderesources plugin factory, for resource class @a resourceclass,
+ *  @a resourceconfigclass config class and @a catalog catalog.
+ */
+#define EXPORT_KRESOURCES_PLUGIN( resourceclass, resourceconfigclass, catalog ) \
+  typedef KRES::PluginFactory< resourceclass, resourceconfigclass > FactoryBase; \
+  class Factory : public FactoryBase { \
+    public: Factory() { TDEGlobal::locale()->insertCatalogue(catalog); } \
+  }; \
+  K_EXPORT_PLUGIN( Factory )
+
+/** Like EXPORT_KRESOURCES_PLUGIN but allows to specify two catalogs.
+ */
+#define EXPORT_KRESOURCES_PLUGIN2( resourceclass, resourceconfigclass, catalog1, catalog2 ) \
+  typedef KRES::PluginFactory< resourceclass, resourceconfigclass > FactoryBase; \
+  class Factory : public FactoryBase { \
+    public: Factory() { TDEGlobal::locale()->insertCatalogue(catalog1); \
+      TDEGlobal::locale()->insertCatalogue(catalog2); } \
+  }; \
+  K_EXPORT_PLUGIN( Factory )
+
+#endif
diff --git a/tderesources/caldav/job.cpp b/tderesources/caldav/job.cpp
new file mode 100644
index 000000000..93f91cd52
--- /dev/null
+++ b/tderesources/caldav/job.cpp
@@ -0,0 +1,173 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Job class for accessing remote calendars.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "job.h"
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <tqmutex.h>
+
+#define log(s)      kdDebug() << s << '\n';
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| STATIC
+ ========================================================================*/
+
+/*=========================================================================
+| CONSTRUCTOR AND DESTRUCTOR
+ ========================================================================*/
+
+CalDavJob::CalDavJob(const TQString& url) {
+    cleanJob();
+    setUrl(url);
+}
+
+CalDavJob::~CalDavJob() {
+}
+
+
+/*=========================================================================
+| METHODS
+ ========================================================================*/
+
+void CalDavJob::enableCaldavDebug(runtime_info* rt) {
+    if (rt && rt->options) {
+        rt->options->debug = 0; // if debug = 1, it causes major CPU overhead
+        rt->options->verify_ssl_certificate = FALSE;
+    }
+}
+
+void CalDavJob::setErrorString(const TQString& err, const long number) {
+    mError = true;
+    mErrorString = err;
+    mErrorNumber = number;
+}
+
+void CalDavJob::setTasksErrorString(const TQString& err, const long number) {
+    mTasksError = true;
+    mTasksErrorString = err;
+    mTasksErrorNumber = number;
+}
+
+void CalDavJob::setJournalsErrorString(const TQString& err, const long number) {
+    mJournalsError = true;
+    mJournalsErrorString = err;
+    mJournalsErrorNumber = number;
+}
+
+void CalDavJob::processError(const caldav_error* err) {
+    TQString error_string;
+
+    long code = err->code;
+
+    if (-401 == code) { // unauthorized
+        error_string = i18n("Unauthorized. Username or password incorrect.");
+    } else if (-599 <= code && code <= -300) {
+        error_string = i18n("HTTP error %1. Please ensure that the URL is a valid CalDAV resource.").arg(-code);
+    } else {
+        error_string = err->str;
+    }
+
+    setErrorString(error_string, code);
+}
+
+void CalDavJob::processTasksError(const caldav_error* err) {
+    TQString error_string;
+
+    long code = err->code;
+
+    if (-401 == code) { // unauthorized
+        error_string = i18n("Unauthorized. Username or password incorrect.");
+    } else if (-599 <= code && code <= -300) {
+        error_string = i18n("HTTP error %1. Please ensure that the URL is a valid CalDAV resource.").arg(-code);
+    } else {
+        error_string = err->str;
+    }
+
+    setTasksErrorString(error_string, code);
+}
+
+void CalDavJob::processJournalsError(const caldav_error* err) {
+    TQString error_string;
+
+    long code = err->code;
+
+    if (-401 == code) { // unauthorized
+        error_string = i18n("Unauthorized. Username or password incorrect.");
+    } else if (-599 <= code && code <= -300) {
+        error_string = i18n("HTTP error %1. Please ensure that the URL is a valid CalDAV resource.").arg(-code);
+    } else {
+        error_string = err->str;
+    }
+
+    setJournalsErrorString(error_string, code);
+}
+
+
+void CalDavJob::run() {
+    log("cleaning job");
+    cleanJob();
+
+    int res = OK;
+    int tasksres = OK;
+    int journalsres = OK;
+
+    runtime_info* caldav_runtime = caldav_get_runtime_info();
+
+#ifdef KCALDAV_DEBUG
+    log("setting debug caldav options");
+    enableCaldavDebug(caldav_runtime);
+#endif // KCALDAV_DEBUG
+
+    log("running event job");
+    res = runJob(caldav_runtime);
+
+    if (OK != res) {
+        log("event job failed");
+        processError(caldav_runtime->error);
+    }
+
+    log("running tasks job");
+    tasksres = runTasksJob(caldav_runtime);
+
+    if (OK != tasksres) {
+        log("tasks job failed");
+        processTasksError(caldav_runtime->error);
+    }
+
+    log("running journals job");
+    journalsres = runJournalsJob(caldav_runtime);
+
+    if (OK != journalsres) {
+        log("journals job failed");
+        processJournalsError(caldav_runtime->error);
+    }
+
+    caldav_free_runtime_info(&caldav_runtime);
+
+    // Signal done
+    // 1000 is read, 1001 is write
+    if (type() == 0) TQApplication::postEvent ( parent(), new TQEvent( static_cast<TQEvent::Type>(1000) ) );
+    if (type() == 1) TQApplication::postEvent ( parent(), new TQEvent( static_cast<TQEvent::Type>(1001) ) );
+}
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/job.h b/tderesources/caldav/job.h
new file mode 100644
index 000000000..7d312d90b
--- /dev/null
+++ b/tderesources/caldav/job.h
@@ -0,0 +1,290 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Job class for accessing remote calendars.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCALDAV_JOB_H
+#define KCALDAV_JOB_H
+
+#include <tqthread.h>
+#include <tqstring.h>
+#include <tqdatetime.h>
+#include <tqapplication.h>
+
+extern "C" {
+    #include <caldav.h>
+}
+
+namespace KCal {
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * Calendar job.
+ */
+class CalDavJob : public TQThread {
+
+public:
+
+    /**
+     * @param url URL to load.
+     */
+    CalDavJob(const TQString& url = TQString());
+
+    virtual ~CalDavJob();
+
+    /**
+     * Sets a new URL to load.
+     */
+    virtual void setUrl(const TQString& s) {
+        mUrl = s;
+    }
+
+    /**
+     * Sets a new Tasks URL to load.
+     */
+    virtual void setTasksUrl(const TQString& s) {
+        mTasksUrl = s;
+    }
+
+    /**
+     * Sets a new Journals URL to load.
+     */
+    virtual void setJournalsUrl(const TQString& s) {
+        mJournalsUrl = s;
+    }
+
+    /**
+     * Sets the parent qobject.
+     */
+    virtual void setParent(TQObject *s) {
+        mParent = s;
+    }
+
+    /**
+     * Sets the type (0==read, 1==write)
+     */
+    virtual void setType(int s) {
+        mType = s;
+    }
+
+    /**
+     * @return URL to load.
+     */
+    virtual TQString url() const {
+        return mUrl;
+    }
+
+    /**
+     * @return Tasks URL to load.
+     */
+    virtual TQString tasksUrl() const {
+        return mTasksUrl;
+    }
+
+    /**
+     * @return Journals URL to load.
+     */
+    virtual TQString journalsUrl() const {
+        return mJournalsUrl;
+    }
+
+    /**
+     * @return parent object
+     */
+    virtual TQObject *parent() {
+        return mParent;
+    }
+
+    /**
+     * @return type
+     */
+    virtual int type() {
+        return mType;
+    }
+
+    /**
+     * @return true if events downloading process failed.
+     */
+    virtual bool error() const {
+        return mError;
+    }
+
+    /**
+     * @return true if tasks downloading process failed.
+     */
+    virtual bool tasksError() const {
+        return mTasksError;
+    }
+
+    /**
+     * @return true if journals downloading process failed.
+     */
+    virtual bool journalsError() const {
+        return mJournalsError;
+    }
+
+    /**
+     * @return an event error string.
+     */
+    virtual TQString errorString() const {
+        return mErrorString;
+    }
+
+    /**
+     * @return a task error string.
+     */
+    virtual TQString tasksErrorString() const {
+        return mTasksErrorString;
+    }
+
+    /**
+     * @return a journal error string.
+     */
+    virtual TQString journalsErrorString() const {
+        return mJournalsErrorString;
+    }
+
+    /**
+     * @return an event error number.
+     */
+    virtual long errorNumber() const {
+        return mErrorNumber;
+    }
+
+    /**
+     * @return a task error number.
+     */
+    virtual long tasksErrorNumber() const {
+        return mTasksErrorNumber;
+    }
+
+    /**
+     * @return a journal error number.
+     */
+    virtual long journalsErrorNumber() const {
+        return mJournalsErrorNumber;
+    }
+
+protected:
+
+    virtual void run();
+
+    /**
+     * Main run method for event jobs. Jobs should not override run() method.
+     * Instead of this they should override this one.
+     * @param caldavRuntime specific libcaldav runtime information. This pointer should not be saved for the usage
+     * outside of runJob.
+     * @return libcaldav response code (see CALDAV_RESPONSE)
+     */
+    virtual int runJob(runtime_info* caldavRuntime) = 0;
+
+    /**
+     * Main run method for task jobs. Jobs should not override run() method.
+     * Instead of this they should override this one.
+     * @param caldavRuntime specific libcaldav runtime information. This pointer should not be saved for the usage
+     * outside of runJob.
+     * @return libcaldav response code (see CALDAV_RESPONSE)
+     */
+    virtual int runTasksJob(runtime_info* caldavRuntime) = 0;
+
+    /**
+     * Main run method for journal jobs. Jobs should not override run() method.
+     * Instead of this they should override this one.
+     * @param caldavRuntime specific libcaldav runtime information. This pointer should not be saved for the usage
+     * outside of runJob.
+     * @return libcaldav response code (see CALDAV_RESPONSE)
+     */
+    virtual int runJournalsJob(runtime_info* caldavRuntime) = 0;
+
+    /**
+     * Some cleaning. Jobs may (and usually should) override this method.
+     */
+    virtual void cleanJob() {
+        mError = false;
+        mErrorString = "";
+        mErrorNumber = 0;
+        mTasksError = false;
+        mTasksErrorString = "";
+        mTasksErrorNumber = 0;
+        mJournalsError = false;
+        mJournalsErrorString = "";
+        mJournalsErrorNumber = 0;
+    }
+
+    /**
+     * Sets an event error string to @p err. Also sets an error flag.
+     */
+    void setErrorString(const TQString& str, const long number);
+
+    /**
+     * Sets a task error string to @p err. Also sets an error flag.
+     */
+    void setTasksErrorString(const TQString& str, const long number);
+
+    /**
+     * Sets a journal error string to @p err. Also sets an error flag.
+     */
+    void setJournalsErrorString(const TQString& str, const long number);
+
+    /**
+     * Process an event error.
+     * Subclasses can overwrite this method, if some special error message handling
+     * should be done. Call setErrorString() to set the error after processing is done.
+     * @param err error structure.
+     */
+    virtual void processError(const caldav_error* err);
+
+    /**
+     * Process a task error.
+     * Subclasses can overwrite this method, if some special error message handling
+     * should be done. Call setErrorString() to set the error after processing is done.
+     * @param err error structure.
+     */
+    virtual void processTasksError(const caldav_error* err);
+
+    /**
+     * Process a journal error.
+     * Subclasses can overwrite this method, if some special error message handling
+     * should be done. Call setErrorString() to set the error after processing is done.
+     * @param err error structure.
+     */
+    virtual void processJournalsError(const caldav_error* err);
+
+private:
+
+    TQString mUrl;
+    TQString mTasksUrl;
+    TQString mJournalsUrl;
+    bool mError;
+    bool mTasksError;
+    bool mJournalsError;
+    TQString mErrorString;
+    TQString mTasksErrorString;
+    TQString mJournalsErrorString;
+    long mErrorNumber;
+    long mTasksErrorNumber;
+    long mJournalsErrorNumber;
+    TQObject *mParent;
+    int mType;
+
+    void enableCaldavDebug(runtime_info*);
+};
+
+} // namespace KCal
+
+#endif // KCALDAV_JOB_H
+
diff --git a/tderesources/caldav/kcal_caldav.desktop b/tderesources/caldav/kcal_caldav.desktop
new file mode 100644
index 000000000..b237c04b4
--- /dev/null
+++ b/tderesources/caldav/kcal_caldav.desktop
@@ -0,0 +1,52 @@
+[Desktop Entry]
+Name=CalDAV Server (e.g. Google Calendar)
+Name[af]=CalDAV bediener (bv. Google Calendar)
+Name[bg]=Сървър CalDAV (e.g. Google Calendar)
+Name[br]=Servijer CalDAV (e.g. Google Calendar)
+Name[ca]=Servidor CalDAV (p.ex. Google Calendar)
+Name[cs]=CalDAV server (např. Google Calendar)
+Name[da]=CalDAV-server (f.eks. Google Calendar)
+Name[de]=CalDAV-Server (z. B. Google Calendar)
+Name[el]=Εξυπηρετητής CalDAV (π.χ. Google Calendar)
+Name[es]=Servidor CalDAV (por ejemplo, Google Calendar)
+Name[et]=CalDAV server (nt. Google Calendar)
+Name[eu]=CalDAV zerbitzaria (adib. Google Calendar)
+Name[fa]=کارساز CalDAV (مثلاً Google Calendar)
+Name[fi]=CalDAV-palvelin (esim. Google Calendar)
+Name[fr]=CalDAV Serveur (ex. Google Calendar)
+Name[fy]=CalDAV-tsjinner (Google Calendar)
+Name[ga]=Freastalaí CalDAV (m.sh. Google Calendar)
+Name[gl]=Servidor CalDAV (e.g. Google Calendar)
+Name[hu]=CalDAV-kiszolgáló (pl. Google Calendar)
+Name[is]=CalDAV þjónn (t.d. Google Calendar)
+Name[it]=Server CalDAV (per es. Google Calendar)
+Name[ja]=CalDAV サーバ (例 Google Calendar)
+Name[ka]=სერვერი CalDAV (მაგ., Google Calendar)
+Name[kk]=CalDAV сервері (мысалы Google Calendar)
+Name[km]=ម៉ាស៊ីន​បម្រើ CalDAV (ឧ. Google Calendar)
+Name[lt]=CalDAV serveris (pvz.: Google Calendar)
+Name[ms]=Pelayan CalDAV  (misalnya Google Calendar)
+Name[nb]=CalDAV-tjener (f.eks. Google Calendar)
+Name[nds]=CalDAV-Server (t.B. Google Calendar)
+Name[ne]=समूह DAV सर्भर (जस्तै: खुला ग्रुपवेयर)
+Name[nl]=CalDAV-server (Google Calendar)
+Name[nn]=CalDAV-tenar (t.d. Google Calendar)
+Name[pl]=Serwer CalDAV (np. Google Calendar)
+Name[pt]=Servidor CalDAV (por exemplo Google Calendar)
+Name[pt_BR]=Servidor GroupDav (p. ex. Google Calendar)
+Name[ru]=Сервер CalDAV (например, Google Calendar)
+Name[sk]=CalDAV Server (napr. Google Calendar)
+Name[sl]=Strežnik CalDAV (npr. Google Calendar)
+Name[sr]=CalDAV сервер (нпр. Google Calendar)
+Name[sr@Latn]=CalDAV server (npr. Google Calendar)
+Name[sv]=CalDAV-server (t.ex. Google Calendar)
+Name[ta]=CalDAV சேவகன் (e.g. Google Calendar)
+Name[tr]=CalDAV Sunucusu (ör. Google Calendar)
+Name[uk]=Сервер CalDAV (напр., Google Calendar)
+Name[zh_CN]=CalDAV 服务器(如 Google Calendar)
+Name[zh_TW]=CalDAV 伺服器 (如: Google Calendar)
+X-TDE-Library=kcal_caldav
+Type=Service
+ServiceTypes=KResources/Plugin
+X-TDE-ResourceFamily=calendar
+X-TDE-ResourceType=caldav
diff --git a/tderesources/caldav/plugin.cpp b/tderesources/caldav/plugin.cpp
new file mode 100644
index 000000000..9ce6d60f6
--- /dev/null
+++ b/tderesources/caldav/plugin.cpp
@@ -0,0 +1,49 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| CalDAV resource factory.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "resource.h"
+#include "config.h"
+#include "export.h"
+
+#include <kglobal.h>
+#include <klocale.h>
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+// Creates the resource factory.
+//EXPORT_KRESOURCES_PLUGIN2( ResourceCalDav, ResourceCalDavConfig, "libkcal", "kres_caldav" )
+
+typedef KRES::PluginFactory<ResourceCalDav, ResourceCalDavConfig> CalDavFactory;
+
+extern "C"
+{
+  void *init_kcal_caldav()
+  {
+    TDEGlobal::locale()->insertCatalogue( "libkcal" );
+    TDEGlobal::locale()->insertCatalogue( "kres_caldav" );
+    return new CalDavFactory;
+  }
+}
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/preferences.cpp b/tderesources/caldav/preferences.cpp
new file mode 100644
index 000000000..5286d0220
--- /dev/null
+++ b/tderesources/caldav/preferences.cpp
@@ -0,0 +1,290 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| CalDAV resource preferences class.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "preferences.h"
+
+#include <tdewallet.h>
+#include <tqstring.h>
+#include <tqurl.h>
+#include <kdebug.h>
+
+/*=========================================================================
+| NAMESPACES
+ ========================================================================*/
+
+using namespace KCal;
+using namespace KWallet;
+
+/*=========================================================================
+| CONSTANTS
+ ========================================================================*/
+
+const TQString CalDavPrefs::NO_PASSWORD = "";
+const TQString CalDavPrefs::WALLET_FOLDER = "CalDAV resource";
+const TQString CalDavPrefs::WALLET_PWD_SUFFIX = ":caldav_password";
+
+/*=========================================================================
+| METHODS
+ ========================================================================*/
+
+bool CalDavPrefs::setWalletFolder(const TQString& folder) {
+    bool ret = true;
+
+    if (!mNoWallet && NULL != mWallet) {
+        if (!mWallet->hasFolder(folder)) {
+            if (!mWallet->createFolder(folder)) {
+                ret = false;
+                kdWarning() << "can't create the wallet folder for CalDAV passwords";
+            }
+        }
+        if (!mWallet->setFolder(folder)) {
+            ret = false;
+            kdWarning() << "can't set the wallet folder for CalDAV passwords";
+        }
+    } else {
+        // the wallet is inaccessible or not configured
+        ret = false;
+    }
+
+    return ret;
+}
+
+Wallet* CalDavPrefs::getWallet() {
+    Wallet* ret = NULL;
+
+    if (!mNoWallet) {
+        // the wallet is not marked as inaccessible
+
+        if (NULL == mWallet) {
+            kdDebug() << "creating wallet for " + mPrefix << '\n';
+
+            mWallet = Wallet::openWallet(Wallet::NetworkWallet(), 0);
+            if (NULL == mWallet) {
+                mNoWallet = true; // can't open the wallet, mark it inaccessible
+                kdWarning() << "can't create a wallet for CalDAV passwords";
+            } else {
+                if (setWalletFolder(WALLET_FOLDER)) {
+                    // reserved
+                } else {
+                    // can't set the wallet folder, remove the wallet and mark it inaccessible
+                    kdWarning() << "can't set the walet folder for CalDAV passwords";
+                    removeWallet(true);
+                }
+            }
+        }
+
+        ret = mWallet;
+    }
+
+    return ret;
+}
+
+void CalDavPrefs::removeWallet(bool noWallet) {
+    delete mWallet;
+    mWallet = NULL;
+    mNoWallet = noWallet;
+}
+
+void CalDavPrefs::addPrefix(const TQString& prefix) {
+    TDEConfigSkeletonItem::List itemList = items();
+    TDEConfigSkeletonItem::List::Iterator it;
+
+    for ( it = itemList.begin(); it != itemList.end(); ++it ) {
+        (*it)->setGroup( prefix + ':' + (*it)->group() );
+    }
+}
+
+bool CalDavPrefs::writePasswordToWallet(const TQString& password) {
+
+    Wallet* w = getWallet();
+
+    bool ret = false;
+    if (NULL != w) {
+        int rc = w->writePassword(mPrefix + WALLET_PWD_SUFFIX, password);
+        if (0 != rc) {
+            kdWarning() << "CalDAV: can't write password to the wallet";
+        } else {
+            ret = true;
+        }
+    }
+
+    return ret;
+}
+
+bool CalDavPrefs::readPasswordFromWallet(TQString& password) {
+    Wallet* w = getWallet();
+
+    bool ret = false;
+    if (NULL != w) {
+        TQString p;
+        int rc = w->readPassword(mPrefix + WALLET_PWD_SUFFIX, p);
+        if (0 == rc) {
+            //CalDavPrefsSkel::setPassword(p);
+            password = p;
+            ret = true;
+        } else {
+            kdWarning() << "CalDAV: can't read password from the wallet";
+            password = NO_PASSWORD;
+        }
+    }
+
+    return ret;
+}
+
+bool CalDavPrefs::removePasswordFromWallet() {
+
+    Wallet* w = getWallet();
+
+    bool ret = false;
+    if (NULL != w) {
+        int rc = w->removeEntry(mPrefix + WALLET_PWD_SUFFIX);
+        if (0 == rc) {
+            ret = true;
+        } else {
+            kdWarning() << "CalDAV: can't remove password from the wallet";
+        }
+    }
+
+    return ret;
+}
+
+void CalDavPrefs::setPassword(const TQString& p) {
+
+    mPassword = p;
+
+    if (rememberPassword()) {
+        writePasswordToWallet(p);
+    }
+}
+
+TQString CalDavPrefs::password() {
+    if (NO_PASSWORD == mPassword) {
+        readPasswordFromWallet(mPassword);
+    }
+    return mPassword;
+}
+
+TQString CalDavPrefs::getusername() {
+    return username();
+}
+
+void CalDavPrefs::setRememberPassword(bool v) {
+    kdDebug() << "remember: " << v << '\n';
+
+    CalDavPrefsSkel::setRememberPassword(v);
+
+    if (!v) {
+        // we should not remember password. If there is one already stored, it must be removed.
+        kdDebug() << "removing password from wallet" << '\n';
+        removePasswordFromWallet();
+    }
+}
+
+void CalDavPrefs::writeConfig() {
+    CalDavPrefsSkel::writeConfig();
+}
+
+void CalDavPrefs::readConfig() {
+
+    CalDavPrefsSkel::readConfig();
+
+    // the password is not in config file, try to restore it from the wallet.
+    /*if (rememberPassword()) {
+        readPasswordFromWallet();
+    }*/
+}
+
+TQString CalDavPrefs::getFullUrl() {
+
+    TQUrl t(url());
+    TQString safeURL;
+    int firstAt;
+
+    t.setUser(username());
+    t.setPassword(password());
+
+    safeURL = t.toString();
+
+    firstAt = safeURL.find("@") + 1;
+    while (safeURL.find("@", firstAt) != -1) {
+        safeURL.replace(safeURL.find("@", firstAt), 1, "%40");
+    }
+
+    // Unencode the username, as Zimbra stupidly rejects the %40
+    safeURL.replace("%40", "@");
+
+    // Encode any spaces, as libcaldav stupidly fails otherwise
+    safeURL.replace(" ", "%20");
+
+    return safeURL;
+}
+
+TQString CalDavPrefs::getFullTasksUrl() {
+    if (useSTasks() == 0)
+      return getFullUrl();
+
+    TQUrl t(tasksUrl());
+    TQString safeURL;
+    int firstAt;
+
+    t.setUser(username());
+    t.setPassword(password());
+
+    safeURL = t.toString();
+
+    firstAt = safeURL.find("@") + 1;
+    while (safeURL.find("@", firstAt) != -1) {
+        safeURL.replace(safeURL.find("@", firstAt), 1, "%40");
+    }
+
+    // Unencode the username, as Zimbra stupidly rejects the %40
+    safeURL.replace("%40", "@");
+
+    // Encode any spaces, as libcaldav stupidly fails otherwise
+    safeURL.replace(" ", "%20");
+
+    return safeURL;
+}
+
+TQString CalDavPrefs::getFullJournalsUrl() {
+    if (useSJournals() == 0)
+      return getFullUrl();
+
+    TQUrl t(journalsUrl());
+    TQString safeURL;
+    int firstAt;
+
+    t.setUser(username());
+    t.setPassword(password());
+
+    safeURL = t.toString();
+
+    firstAt = safeURL.find("@") + 1;
+    while (safeURL.find("@", firstAt) != -1) {
+        safeURL.replace(safeURL.find("@", firstAt), 1, "%40");
+    }
+
+    // Unencode the username, as Zimbra stupidly rejects the %40
+    safeURL.replace("%40", "@");
+
+    // Encode any spaces, as libcaldav stupidly fails otherwise
+    safeURL.replace(" ", "%20");
+
+    return safeURL;
+}
+
+// EOF ========================================================================
+
diff --git a/tderesources/caldav/preferences.h b/tderesources/caldav/preferences.h
new file mode 100644
index 000000000..0c4532cf9
--- /dev/null
+++ b/tderesources/caldav/preferences.h
@@ -0,0 +1,164 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| CalDAV resource preferences class.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCAL_CALDAVPREFS_H
+#define KCAL_CALDAVPREFS_H
+
+#include "prefsskel.h"
+
+#include <tdewallet.h>
+#include <kdebug.h>
+
+class TQString;
+
+namespace KCal {
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * This class provides access to ResourceCalDav preferences.
+ * It inherits auto-generated CalDavPrefsSkel class to add password-handling code.
+ * KWallet is used for storing passwords.
+ * It also adds code to allow multiple CalDAV resources to store settings in the same
+ * config file.
+ */
+class CalDavPrefs : public CalDavPrefsSkel {
+
+public:
+
+    /**
+     * @param prefix Unique prefix of the resource instance (use identifier() method).
+     */
+    CalDavPrefs(const TQString& prefix)
+        : mWallet(NULL)
+        , mNoWallet(false)
+        , mPrefix(prefix)
+        , mPassword(NO_PASSWORD)
+    {
+        addPrefix(prefix);
+    }
+
+    virtual ~CalDavPrefs() {
+        kdDebug() << "removing wallet" << '\n';
+        removeWallet();
+    }
+
+    virtual void writeConfig();
+    virtual void readConfig();
+
+    /**
+     * Sets a new password. Also, if remember password flag is true,
+     * remembers the password in the wallet. So, if you want the password
+     * to be properly saved, call this method after ensuring the remember flag
+     * is set.
+     */
+    void setPassword(const TQString& p);
+
+    /**
+     * Returns password. The password is taken from the wallet.
+     * May return an empty string, if there is no password available.
+     */
+    TQString password();
+
+    /**
+     * Returns the username.
+     */
+    TQString getusername();
+
+    void setRememberPassword(bool v);
+
+    /**
+     * @return A full URL to connect to CalDAV server (including username and password).
+     */
+    TQString getFullUrl();
+
+    /**
+     * @return A full URL to connect to CalDAV Tasks server (including username and password).
+     */
+    TQString getFullTasksUrl();
+
+    /**
+     * @return A full URL to connect to CalDAV Journals server (including username and password).
+     */
+    TQString getFullJournalsUrl();
+
+protected:
+
+    /**
+     * Add an unique prefix to TDEConfigGroup, so that different instances of the resource
+     * can use the same config file.
+     * @param prefix Unique prefix of the resource instance.
+     */
+    void addPrefix(const TQString& prefix);
+
+    /**
+     * Returns the wallet or NULL, if the wallet can't be obtained.
+     */
+    KWallet::Wallet* getWallet();
+
+    /**
+     * Tries to set a working folder for the wallet. If the wallet is not configured yet, does nothing.
+     * @param folder the wallet working folder
+     * @return true, if the folder has been set, and false otherwise.
+     */
+    bool setWalletFolder(const TQString& folder);
+
+    /**
+     * Removes the wallet. If @p noWallet is set, the wallet has been marked inaccessible, so that subsequent
+     * getWallet calls will not try to recreate it.
+     */
+    void removeWallet(bool noWallet = false);
+
+    /**
+     * Wrire password to the wallet.
+     * @param password password to write
+     * @return true on success, false on failure
+     */
+    bool writePasswordToWallet(const TQString& password);
+
+    /**
+     * Extracts password from the wallet.
+     * @param password a variable to save read password to.
+     * @return true on success, false on failure
+     */
+    bool readPasswordFromWallet(TQString& password);
+
+    /**
+     * Clears password in the wallet.
+     * @return true on success, false on failure
+     */
+    bool removePasswordFromWallet();
+
+private:
+
+    static const TQString NO_PASSWORD;
+    static const TQString WALLET_FOLDER;
+    static const TQString WALLET_PWD_SUFFIX;
+
+    KWallet::Wallet* mWallet;
+    bool mNoWallet;
+
+    TQString mPrefix;
+    TQString mPassword;
+};
+
+} // namespace KCal
+
+#endif // KCAL_CALDAVPREFS_H
+
+
diff --git a/tderesources/caldav/prefsskel.kcfg b/tderesources/caldav/prefsskel.kcfg
new file mode 100644
index 000000000..5f4cdc16a
--- /dev/null
+++ b/tderesources/caldav/prefsskel.kcfg
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
+      http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
+ <kcfgfile name="tderesources_caldavrc" />
+ <group name="General" >
+
+  <entry key="Url" type="String" >
+   <label>URL</label>
+  </entry>
+
+  <entry key="TasksUrl" type="String" >
+   <label>URL</label>
+  </entry>
+
+  <entry key="JournalsUrl" type="String" >
+   <label>URL</label>
+  </entry>
+
+  <entry key="UseSTasks" type="Bool" >
+   <label>Use separate Tasks URL</label>
+   <default>false</default>
+  </entry>
+
+  <entry key="UseSJournals" type="Bool" >
+   <label>Use separate Journals URL</label>
+   <default>false</default>
+  </entry>
+
+  <entry key="Username" type="String">
+   <label>User Name</label>
+  </entry>
+
+<!--  <entry key="Password" type="String" >
+   <label>Password</label>
+  </entry>-->
+
+  <entry key="RememberPassword" type="Bool" >
+   <label>Remember password</label>
+  </entry>
+
+ </group>
+</kcfg>
diff --git a/tderesources/caldav/prefsskel.kcfgc b/tderesources/caldav/prefsskel.kcfgc
new file mode 100644
index 000000000..b6b3aae0b
--- /dev/null
+++ b/tderesources/caldav/prefsskel.kcfgc
@@ -0,0 +1,7 @@
+# Code generation options for kconfig_compiler
+File=prefsskel.kcfg
+ClassName=CalDavPrefsSkel
+NameSpace=KCal
+Singleton=false
+Mutators=true
+GlobalEnums=true
diff --git a/tderesources/caldav/reader.cpp b/tderesources/caldav/reader.cpp
new file mode 100644
index 000000000..92501e4f7
--- /dev/null
+++ b/tderesources/caldav/reader.cpp
@@ -0,0 +1,146 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Remote calendar loading.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "reader.h"
+#include <kdebug.h>
+#include <string>
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| METHODS
+ ========================================================================*/
+
+void CalDavReader::cleanJob() {
+    CalDavJob::cleanJob();
+    mData = "";
+}
+
+void CalDavReader::cleanTasksJob() {
+    CalDavJob::cleanJob();
+    mTasksData = "";
+}
+
+void CalDavReader::cleanJournalsJob() {
+    CalDavJob::cleanJob();
+    mJournalsData = "";
+}
+
+int CalDavReader::runJob(runtime_info* RT) {
+    kdDebug() << "reader::run, url: " << url() << '\n';
+
+    response* result = caldav_get_response();
+    CALDAV_RESPONSE res = OK;
+
+    if ((OK == res) && (url() != "")) {
+      if (mGetAll) {
+          kdDebug() << "getting all objects" << '\n';
+          res = caldav_getall_object(result, std::string(url().ascii()).c_str(), RT);
+      } else {
+          kdDebug() << "getting object from the specified time range" << '\n';
+          res = caldav_get_object(result, mTimeStart.toTime_t(), mTimeEnd.toTime_t(), std::string(url().ascii()).c_str(), RT);
+      }
+
+      if (OK == res) {
+          kdDebug() << "success" << '\n';
+          if (result->msg) {
+              mData = result->msg;
+          } else {
+              kdDebug() << "empty collection" << '\n';
+              // empty collection
+              mData = "";
+          }
+      }
+    }
+
+    caldav_free_response(&result);
+
+    return res;
+}
+
+int CalDavReader::runTasksJob(runtime_info* RT) {
+    kdDebug() << "reader::run, tasksUrl: " << tasksUrl() << '\n';
+
+    response* result = caldav_get_response();
+    CALDAV_RESPONSE tasksres = OK;
+
+    if ((OK == tasksres) && (tasksUrl() != "")) {
+      kdDebug() << "reader::run, url: " << tasksUrl() << '\n';
+
+      if (mGetAll) {
+          kdDebug() << "getting all objects" << '\n';
+          tasksres = caldav_tasks_getall_object(result, std::string(tasksUrl().ascii()).c_str(), RT);
+      } else {
+          kdDebug() << "getting object from the specified time range" << '\n';
+          tasksres = caldav_tasks_get_object(result, mTimeStart.toTime_t(), mTimeEnd.toTime_t(), std::string(tasksUrl().ascii()).c_str(), RT);
+      }
+
+      if (OK == tasksres) {
+          kdDebug() << "success" << '\n';
+          if (result->msg) {
+              mTasksData = result->msg;
+          } else {
+              kdDebug() << "empty collection" << '\n';
+              // empty collection
+              mTasksData = "";
+          }
+      }
+
+      caldav_free_response(&result);
+    }
+
+    return tasksres;
+}
+
+int CalDavReader::runJournalsJob(runtime_info* RT) {
+    kdDebug() << "reader::run, journalsUrl: " << journalsUrl() << '\n';
+
+    response* result = caldav_get_response();
+    CALDAV_RESPONSE journalsres = OK;
+
+    if ((OK == journalsres) && (journalsUrl() != "")) {
+      kdDebug() << "reader::run, url: " << journalsUrl() << '\n';
+
+      if (mGetAll) {
+          kdDebug() << "getting all objects" << '\n';
+          journalsres = caldav_tasks_getall_object(result, std::string(journalsUrl().ascii()).c_str(), RT);
+      } else {
+          kdDebug() << "getting object from the specified time range" << '\n';
+          journalsres = caldav_tasks_get_object(result, mTimeStart.toTime_t(), mTimeEnd.toTime_t(), std::string(journalsUrl().ascii()).c_str(), RT);
+      }
+
+      if (OK == journalsres) {
+          kdDebug() << "success" << '\n';
+          if (result->msg) {
+              mJournalsData = result->msg;
+          } else {
+              kdDebug() << "empty collection" << '\n';
+              // empty collection
+              mJournalsData = "";
+          }
+      }
+
+      caldav_free_response(&result);
+    }
+
+    return journalsres;
+}
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/reader.h b/tderesources/caldav/reader.h
new file mode 100644
index 000000000..9bcc8c87a
--- /dev/null
+++ b/tderesources/caldav/reader.h
@@ -0,0 +1,112 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Remote calendar loading class.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCALDAV_LOADER_H
+#define KCALDAV_LOADER_H
+
+#include "job.h"
+
+#include <tqstring.h>
+#include <tqdatetime.h>
+
+namespace KCal {
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * Calendar Reader.
+ */
+class CalDavReader : public CalDavJob {
+
+public:
+
+    /**
+     * @param url URL to load.
+     */
+    CalDavReader(const TQString& url = TQString()) :
+        CalDavJob(url)
+        , mGetAll(true)
+    {
+    }
+
+    /**
+     * Sets a time range. Only event between @p start and @p end will be loaded.
+     * This method call disables the effect of setGetAll() call.
+     * setGetAll() call disables the effect of this method.
+     */
+    void setRange(const TQDateTime& start, const TQDateTime& end) {
+        mGetAll = false;
+        mTimeStart = start;
+        mTimeEnd = end;
+    }
+
+    /**
+     * Sets the flag to load all events from the remote calendar.
+     * This method call disables the effect of setRange() call.
+     * setGetAll() call disables the effect of this method.
+     */
+    void setGetAll() {
+        mGetAll = true;
+    }
+
+    /**
+     * @return downloaded calendar data in iCal format.
+     */
+    TQString data() const {
+        return mData;
+    }
+
+    /**
+     * @return downloaded task data in iCal format.
+     */
+    TQString tasksData() const {
+        return mTasksData;
+    }
+
+    /**
+     * @return downloaded journal data in iCal format.
+     */
+    TQString journalsData() const {
+        return mJournalsData;
+    }
+
+protected:
+
+    virtual int runJob(runtime_info* caldavRuntime);
+    virtual int runTasksJob(runtime_info* caldavRuntime);
+    virtual int runJournalsJob(runtime_info* caldavRuntime);
+
+    virtual void cleanJob();
+    virtual void cleanTasksJob();
+    virtual void cleanJournalsJob();
+
+private:
+
+    TQString mData;
+    TQString mTasksData;
+    TQString mJournalsData;
+    bool mGetAll;
+    TQDateTime mTimeStart;
+    TQDateTime mTimeEnd;
+
+};
+
+} // namespace KCal
+
+#endif // KCALDAV_LOADER_H
+
diff --git a/tderesources/caldav/resource.cpp b/tderesources/caldav/resource.cpp
new file mode 100644
index 000000000..b9285e611
--- /dev/null
+++ b/tderesources/caldav/resource.cpp
@@ -0,0 +1,1011 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Main interface to the KResource system.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include <string.h>
+#include <unistd.h>
+
+#include <tqurl.h>
+#include <tqmessagebox.h>
+#include <tqapplication.h>
+#include <tqeventloop.h>
+
+#include <libkcal/calendarlocal.h>
+#include <libkcal/icalformat.h>
+
+#include <klocale.h>
+#include <kpassdlg.h>
+
+#include <tqdatetime.h>
+#include <tqmutex.h>
+#include <tqthread.h>
+
+#ifdef KCALDAV_DEBUG
+    #include <tqfile.h>
+#endif
+
+#include "resource.h"
+#include "reader.h"
+#include "writer.h"
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| CONSTANTS
+ ========================================================================*/
+
+const unsigned long ResourceCalDav::TERMINATION_WAITING_TIME = 3 * 1000; // 3 seconds
+const int ResourceCalDav::CACHE_DAYS = 90;
+
+const int ResourceCalDav::DEFAULT_RELOAD_INTERVAL   = 10;
+const int ResourceCalDav::DEFAULT_SAVE_INTERVAL     = 10;
+const int ResourceCalDav::DEFAULT_RELOAD_POLICY     = ResourceCached::ReloadInterval;
+const int ResourceCalDav::DEFAULT_SAVE_POLICY       = ResourceCached::SaveDelayed;
+
+/*=========================================================================
+| UTILITY
+ ========================================================================*/
+
+#define log(s)  kdDebug() << identifier() << ": " << (s) << '\n';
+
+/*=========================================================================
+| CONSTRUCTOR / DESTRUCTOR
+ ========================================================================*/
+
+ResourceCalDav::ResourceCalDav( const TDEConfig *config ) :
+    ResourceCached(config)
+    , readLockout(false)
+    , mAllWritesComplete(false)
+    , mLock(true)
+    , mPrefs(NULL)
+    , mLoader(NULL)
+    , mWriter(NULL)
+    , mProgress(NULL)
+    , mLoadingQueueReady(true)
+    , mWritingQueueReady(true)
+    , mWriteRetryTimer(NULL)
+{
+    log("ResourceCalDav(config)");
+    init();
+
+    if ( config ) {
+      readConfig( config );
+    }
+}
+
+ResourceCalDav::~ResourceCalDav() {
+    log("jobs termination");
+
+    if (mWriteRetryTimer != NULL) {
+        mWriteRetryTimer->stop();	// Unfortunately we cannot do anything at this point; if this timer is still running something is seriously wrong
+    }
+
+    if (mLoader) {
+        readLockout = true;
+        mLoader->terminate();
+        mLoader->wait(TERMINATION_WAITING_TIME);
+        mLoadingQueueReady = true;
+    }
+
+    while ((mWriter->running() == true) || (mWritingQueue.isEmpty() == false) || !mWritingQueueReady) {
+        readLockout = true;
+        sleep(1);
+        tqApp->processEvents(TQEventLoop::ExcludeUserInput);
+    }
+
+    if (mWriter) {
+        mWriter->terminate();
+    }
+
+    log("waiting for jobs terminated");
+
+    if (mLoader) {
+        mLoader->wait(TERMINATION_WAITING_TIME);
+    }
+    if (mWriter) {
+        mWriter->wait(TERMINATION_WAITING_TIME);
+    }
+
+    log("deleting jobs");
+
+    delete mLoader;
+    delete mWriter;
+
+    log("deleting preferences");
+
+    delete mPrefs;
+}
+
+bool ResourceCalDav::isSaving() {
+    doSave();
+    return (((mWriteRetryTimer != NULL) ? 1 : 0) || (mWriter->running() == true) || (mWritingQueue.isEmpty() == false) || !mWritingQueueReady || readLockout);
+}
+
+/*=========================================================================
+| GENERAL METHODS
+ ========================================================================*/
+
+bool ResourceCalDav::doLoad() {
+    bool syncCache = true;
+
+    if ((mLoadingQueueReady == false) || (mLoadingQueue.isEmpty() == false) || (mLoader->running() == true) || (isSaving() == true)) {
+        return true;	// Silently fail; the user has obviously not responded to a dialog and we don't need to pop up more of them!
+    }
+
+    log(TQString("doLoad(%1)").arg(syncCache));
+
+    clearCache();
+
+    log("loading from cache");
+    disableChangeNotification();
+    loadCache();
+    enableChangeNotification();
+    clearChanges();	// TODO: Determine if this really needs to be here, as it might clear out the calendar prematurely causing user confusion while the download process is running
+    emit resourceChanged(this);
+    emit resourceLoaded(this);
+
+    log("starting download job");
+    startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
+
+    return true;
+}
+
+bool ResourceCalDav::doSave() {
+    bool syncCache = true;
+
+    log(TQString("doSave(%1)").arg(syncCache));
+
+    if (!hasChanges()) {
+        log("no changes");
+        return true;
+    }
+
+    log("saving cache");
+    saveCache();
+
+    // Delete any queued read jobs
+    mLoadingQueue.clear();
+
+    // See if there is a running read thread and terminate it
+    if (mLoader->running() == true) {
+        mLoader->terminate();
+        mLoader->wait(TERMINATION_WAITING_TIME);
+        mLoadingQueueReady = true;
+    }
+
+    log("start writing job");
+    if (startWriting(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl()) == true) {
+        log("clearing changes");
+        // FIXME: Calling clearChanges() here is not the ideal way since the
+        // upload might fail, but there is no other place to call it...
+        clearChanges();
+        if (mWriteRetryTimer != NULL) {
+            if (mWriteRetryTimer->isActive() == false) {
+                disconnect( mWriteRetryTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(doSave()) );
+                delete mWriteRetryTimer;
+                mWriteRetryTimer = NULL;
+            }
+        }
+        return true;
+    }
+    else return true;	// We do not need to alert the user to this transient failure; a timer has been started to retry the save
+}
+
+
+KABC::Lock* ResourceCalDav::lock() {
+    log("lock()");
+    return &mLock;
+}
+
+void ResourceCalDav::readConfig( const TDEConfig *config ) {
+    log("readConfig");
+    mPrefs->readConfig();
+    ResourceCached::readConfig(config);
+}
+
+void ResourceCalDav::writeConfig( TDEConfig *config ) {
+    log("writeConfig()");
+    ResourceCalendar::writeConfig(config);
+    mPrefs->writeConfig();
+    ResourceCached::writeConfig(config);
+}
+
+CalDavPrefs* ResourceCalDav::createPrefs() const {
+    log("createPrefs()");
+    CalDavPrefs* p = new CalDavPrefs(identifier());
+    return p;
+}
+
+void ResourceCalDav::init() {
+    // default settings
+    setReloadInterval(DEFAULT_RELOAD_INTERVAL);
+    setReloadPolicy(DEFAULT_RELOAD_POLICY);
+    setSaveInterval(DEFAULT_SAVE_INTERVAL);
+    setSavePolicy(DEFAULT_SAVE_POLICY);
+
+    // creating preferences
+    mPrefs = createPrefs();
+
+    // creating reader/writer instances
+    mLoader = new CalDavReader;
+    mWriter = new CalDavWriter;
+
+    // creating jobs
+    // TQt4 handles this quite differently, as shown below,
+    // whereas TQt3 needs events (see ::event())
+//     connect(mLoader, TQT_SIGNAL(finished()), this, TQT_SLOT(loadFinished()));
+//     connect(mWriter, TQT_SIGNAL(finished()), this, TQT_SLOT(writingFinished()));
+
+    setType("ResourceCalDav");
+}
+
+void ResourceCalDav::setIncidencesReadOnly(Incidence::List& inc, bool readOnly) {
+    Incidence::List::Iterator it;
+    for ( it = inc.begin(); it != inc.end(); ++it ) {
+        (*it)->setReadOnly( readOnly );
+    }
+}
+
+void ResourceCalDav::ensureReadOnlyFlagHonored() {
+    //disableChangeNotification();
+
+    Incidence::List inc( rawIncidences() );
+    setIncidencesReadOnly(inc, readOnly());
+
+    //enableChangeNotification();
+
+    emit resourceChanged(this);
+}
+
+void ResourceCalDav::setReadOnly(bool v) {
+    KRES::Resource::setReadOnly(v);
+    log("ensuring read only flag honored");
+    ensureReadOnlyFlagHonored();
+}
+
+void ResourceCalDav::updateProgressBar(int direction) {
+    int current_queued_events;
+    static int original_queued_events;
+
+    // See if anything is in the queues
+    current_queued_events = mWritingQueue.count() + mLoadingQueue.count();
+    if ((direction == 0) && (mLoader->running() == true)) current_queued_events++;
+    if ((direction == 1) && (mWriter->running() == true)) current_queued_events++;
+    if (current_queued_events > original_queued_events) {
+        original_queued_events = current_queued_events;
+    }
+
+    if (current_queued_events == 0) {
+        if ( mProgress != NULL) {
+            mProgress->setComplete();
+            mProgress = NULL;
+            original_queued_events = 0;
+        }
+    }
+    else {
+        if (mProgress == NULL) {
+            if (direction == 0) mProgress = KPIM::ProgressManager::createProgressItem(KPIM::ProgressManager::getUniqueID(), i18n("Downloading Calendar") );
+            if (direction == 1) mProgress = KPIM::ProgressManager::createProgressItem(KPIM::ProgressManager::getUniqueID(), i18n("Uploading Calendar") );
+        }
+        mProgress->setProgress( ((((float)original_queued_events-(float)current_queued_events)*100)/(float)original_queued_events) );
+    }
+}
+
+/*=========================================================================
+| READING METHODS
+ ========================================================================*/
+
+void ResourceCalDav::loadingQueuePush(const LoadingTask *task) {
+   if ((mLoadingQueue.isEmpty() == true) && (mLoader->running() == false)) {
+        mLoadingQueue.enqueue(task);
+        updateProgressBar(0);
+        loadingQueuePop();
+    }
+}
+
+void ResourceCalDav::loadingQueuePop() {
+    if (!mLoadingQueueReady || mLoadingQueue.isEmpty() || (isSaving() == true)) {
+        return;
+    }
+
+    if (!mLoader) {
+        log("loader == NULL");
+        return;
+    }
+
+    // Loading queue and mLoadingQueueReady flag are not shared resources, i.e. only one thread has an access to them.
+    // That's why no mutexes are required.
+    LoadingTask *t = mLoadingQueue.head();
+
+    mLoader->setUrl(t->url);
+    mLoader->setTasksUrl(t->tasksUrl);
+    mLoader->setJournalsUrl(t->journalsUrl);
+    mLoader->setParent(this);
+    mLoader->setType(0);
+
+    TQDateTime dt(TQDate::currentDate());
+    mLoader->setRange(dt.addDays(-CACHE_DAYS), dt.addDays(CACHE_DAYS));
+    //mLoader->setGetAll();
+
+    mLoadingQueueReady = false;
+
+    log("starting actual download job");
+    mLoader->start(TQThread::LowestPriority);
+
+    // if all ok, removing the task from the queue
+    mLoadingQueue.dequeue();
+    updateProgressBar(0);
+
+    delete t;
+}
+
+void ResourceCalDav::startLoading(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl) {
+    LoadingTask *t = new LoadingTask;
+    t->url = url;
+    t->tasksUrl = tasksUrl;
+    t->journalsUrl = journalsUrl;
+    loadingQueuePush(t);
+}
+
+void ResourceCalDav::loadFinished() {
+    CalDavReader* loader = mLoader;
+
+    log("load finished");
+
+    if (!loader) {
+        log("loader is NULL");
+        return;
+    }
+
+    if (loader->error()) {
+        if (loader->errorNumber() == -401) {
+            if (NULL != mPrefs) {
+                TQCString newpass;
+                if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
+                    log("load error: " + loader->errorString() );
+                    loadError(TQString("[%1] ").arg(abs(loader->errorNumber())) + loader->errorString());
+                }
+                else {
+                    // Set new password and try again
+                    mPrefs->setPassword(TQString(newpass));
+                    startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
+                }
+            }
+            else {
+                log("load error: " + loader->errorString() );
+                loadError(TQString("[%1] ").arg(abs(loader->errorNumber())) + loader->errorString());
+            }
+        }
+        else {
+            log("load error: " + loader->errorString() );
+            loadError(TQString("[%1] ").arg(abs(loader->errorNumber())) + loader->errorString());
+        }
+    } else {
+        log("successful event load");
+        TQString data = loader->data();
+
+        if (!data.isNull() && !data.isEmpty()) {
+            // TODO: I don't know why, but some schedules on http://caldav-test.ioda.net/ (I used it for testing)
+            // have some lines separated by single \r rather than \n or \r\n.
+            // ICalFormat fails to parse that.
+            data.replace("\r\n", "\n"); // to avoid \r\n becomes \n\n after the next line
+            data.replace('\r', '\n');
+
+            log("trying to parse...");
+            if (parseData(data)) {
+                // FIXME: The agenda view can crash when a change is
+                // made on a remote server and a reload is requested!
+                log("... parsing is ok");
+                log("clearing changes");
+                enableChangeNotification();
+                clearChanges();
+                emit resourceChanged(this);
+                emit resourceLoaded(this);
+            }
+        }
+    }
+
+    if (loader->tasksError()) {
+        if (loader->tasksErrorNumber() == -401) {
+            if (NULL != mPrefs) {
+//                 TQCString newpass;
+//                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
+//                     log("load error: " + loader->tasksErrorString() );
+//                     loadError(TQString("[%1] ").arg(abs(loader->tasksErrorNumber())) + loader->tasksErrorString());
+//                 }
+//                 else {
+//                     // Set new password and try again
+//                     mPrefs->setPassword(TQString(newpass));
+//                     startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
+//                 }
+            }
+            else {
+                log("load error: " + loader->tasksErrorString() );
+                loadError(TQString("[%1] ").arg(abs(loader->tasksErrorNumber())) + loader->tasksErrorString());
+            }
+        }
+        else {
+            log("load error: " + loader->tasksErrorString() );
+            loadError(TQString("[%1] ").arg(abs(loader->tasksErrorNumber())) + loader->tasksErrorString());
+        }
+    } else {
+        log("successful tasks load");
+        TQString tasksData = loader->tasksData();
+
+        if (!tasksData.isNull() && !tasksData.isEmpty()) {
+            // TODO: I don't know why, but some schedules on http://caldav-test.ioda.net/ (I used it for testing)
+            // have some lines separated by single \r rather than \n or \r\n.
+            // ICalFormat fails to parse that.
+            tasksData.replace("\r\n", "\n"); // to avoid \r\n becomes \n\n after the next line
+            tasksData.replace('\r', '\n');
+
+            log("trying to parse...");
+            if (parseTasksData(tasksData)) {
+                // FIXME: The agenda view can crash when a change is
+                // made on a remote server and a reload is requested!
+                log("... parsing is ok");
+                log("clearing changes");
+                enableChangeNotification();
+                clearChanges();
+                emit resourceChanged(this);
+                emit resourceLoaded(this);
+            }
+        }
+    }
+
+    if (loader->journalsError()) {
+        if (loader->journalsErrorNumber() == -401) {
+            if (NULL != mPrefs) {
+//                 TQCString newpass;
+//                 if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
+//                     log("load error: " + loader->journalsErrorString() );
+//                     loadError(TQString("[%1] ").arg(abs(loader->journalsErrorNumber())) + loader->journalsErrorString());
+//                 }
+//                 else {
+//                     // Set new password and try again
+//                     mPrefs->setPassword(TQString(newpass));
+//                     startLoading(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
+//                 }
+            }
+            else {
+                log("load error: " + loader->journalsErrorString() );
+                loadError(TQString("[%1] ").arg(abs(loader->journalsErrorNumber())) + loader->journalsErrorString());
+            }
+        }
+        else {
+            log("load error: " + loader->journalsErrorString() );
+            loadError(TQString("[%1] ").arg(abs(loader->journalsErrorNumber())) + loader->journalsErrorString());
+        }
+    } else {
+        log("successful journals load");
+        TQString journalsData = loader->journalsData();
+
+        if (!journalsData.isNull() && !journalsData.isEmpty()) {
+            // TODO: I don't know why, but some schedules on http://caldav-test.ioda.net/ (I used it for testing)
+            // have some lines separated by single \r rather than \n or \r\n.
+            // ICalFormat fails to parse that.
+            journalsData.replace("\r\n", "\n"); // to avoid \r\n becomes \n\n after the next line
+            journalsData.replace('\r', '\n');
+
+            log("trying to parse...");
+            if (parseJournalsData(journalsData)) {
+                // FIXME: The agenda view can crash when a change is
+                // made on a remote server and a reload is requested!
+                log("... parsing is ok");
+                log("clearing changes");
+                enableChangeNotification();
+                clearChanges();
+                emit resourceChanged(this);
+                emit resourceLoaded(this);
+            }
+        }
+    }
+
+    // Loading queue and mLoadingQueueReady flag are not shared resources, i.e. only one thread has an access to them.
+    // That's why no mutexes are required.
+    mLoader->terminate();
+    mLoader->wait(TERMINATION_WAITING_TIME);
+    mLoadingQueueReady = true;
+    updateProgressBar(0);
+    loadingQueuePop();
+}
+
+bool ResourceCalDav::checkData(const TQString& data) {
+    log("checking the data");
+
+    ICalFormat ical;
+    bool ret = true;
+    if (!ical.fromString(&mCalendar, data)) {
+        log("invalid ical string");
+        ret = false;
+    }
+
+    return ret;
+}
+
+bool ResourceCalDav::parseData(const TQString& data) {
+    log("parseData()");
+
+    bool ret = true;
+
+    // check if the data is OK
+    // May be it's not efficient (parsing is done twice), but it should be safe
+    if (!checkData(data)) {
+        loadError(i18n("Parsing calendar data failed."));
+        return false;
+    }
+
+    log("clearing cache");
+    clearEventsCache();
+
+    disableChangeNotification();
+
+    log("actually parsing the data");
+
+    ICalFormat ical;
+    if ( !ical.fromString( &mCalendar, data ) ) {
+        // this should never happen, but...
+        ret = false;
+    }
+
+    // debug code here -------------------------------------------------------
+#ifdef KCALDAV_DEBUG
+    const TQString fout_path = "/tmp/kcaldav_download_" + identifier() + ".tmp";
+
+    TQFile fout(fout_path);
+    if (fout.open(IO_WriteOnly | IO_Append)) {
+        TQTextStream sout(&fout);
+        sout << "---------- " << resourceName() << ": --------------------------------\n";
+        sout << data << "\n";
+        fout.close();
+    } else {
+        loadError(i18n("can't open file"));
+    }
+#endif // KCALDAV_DEBUG
+    // end of debug code ----------------------------------------------------
+
+    enableChangeNotification();
+
+    if (ret) {
+        log("parsing is ok");
+        //if ( !noReadOnlyOnLoad() && readOnly() ) {
+        if ( readOnly() ) {
+            log("ensuring read only flag honored");
+            ensureReadOnlyFlagHonored();
+        }
+        log("saving to cache");
+        saveCache();
+    }
+
+    return ret;
+}
+
+bool ResourceCalDav::parseTasksData(const TQString& data) {
+    log("parseTasksData()");
+
+    bool ret = true;
+
+    // check if the data is OK
+    // May be it's not efficient (parsing is done twice), but it should be safe
+    if (!checkData(data)) {
+        loadError(i18n("Parsing calendar data failed."));
+        return false;
+    }
+
+    log("clearing cache");
+    clearTodosCache();
+
+    disableChangeNotification();
+
+    log("actually parsing the data");
+
+    ICalFormat ical;
+    if ( !ical.fromString( &mCalendar, data ) ) {
+        // this should never happen, but...
+        ret = false;
+    }
+
+    // debug code here -------------------------------------------------------
+#ifdef KCALDAV_DEBUG
+    const TQString fout_path = "/tmp/kcaldav_download_" + identifier() + ".tmp";
+
+    TQFile fout(fout_path);
+    if (fout.open(IO_WriteOnly | IO_Append)) {
+        TQTextStream sout(&fout);
+        sout << "---------- " << resourceName() << ": --------------------------------\n";
+        sout << data << "\n";
+        fout.close();
+    } else {
+        loadError(i18n("can't open file"));
+    }
+#endif // KCALDAV_DEBUG
+    // end of debug code ----------------------------------------------------
+
+    enableChangeNotification();
+
+    if (ret) {
+        log("parsing is ok");
+        //if ( !noReadOnlyOnLoad() && readOnly() ) {
+        if ( readOnly() ) {
+            log("ensuring read only flag honored");
+            ensureReadOnlyFlagHonored();
+        }
+        log("saving to cache");
+        saveCache();
+    }
+
+    return ret;
+}
+
+bool ResourceCalDav::parseJournalsData(const TQString& data) {
+    log("parseJournalsData()");
+
+    bool ret = true;
+
+    // check if the data is OK
+    // May be it's not efficient (parsing is done twice), but it should be safe
+    if (!checkData(data)) {
+        loadError(i18n("Parsing calendar data failed."));
+        return false;
+    }
+
+    log("clearing cache");
+    clearJournalsCache();
+
+    disableChangeNotification();
+
+    log("actually parsing the data");
+
+    ICalFormat ical;
+    if ( !ical.fromString( &mCalendar, data ) ) {
+        // this should never happen, but...
+        ret = false;
+    }
+
+    // debug code here -------------------------------------------------------
+#ifdef KCALDAV_DEBUG
+    const TQString fout_path = "/tmp/kcaldav_download_" + identifier() + ".tmp";
+
+    TQFile fout(fout_path);
+    if (fout.open(IO_WriteOnly | IO_Append)) {
+        TQTextStream sout(&fout);
+        sout << "---------- " << resourceName() << ": --------------------------------\n";
+        sout << data << "\n";
+        fout.close();
+    } else {
+        loadError(i18n("can't open file"));
+    }
+#endif // KCALDAV_DEBUG
+    // end of debug code ----------------------------------------------------
+
+    enableChangeNotification();
+
+    if (ret) {
+        log("parsing is ok");
+        //if ( !noReadOnlyOnLoad() && readOnly() ) {
+        if ( readOnly() ) {
+            log("ensuring read only flag honored");
+            ensureReadOnlyFlagHonored();
+        }
+        log("saving to cache");
+        saveCache();
+    }
+
+    return ret;
+}
+
+/*=========================================================================
+| WRITING METHODS
+ ========================================================================*/
+
+TQString ResourceCalDav::getICalString(const Incidence::List& inc) {
+    if (inc.isEmpty()) {
+        return "";
+    }
+
+    CalendarLocal loc(timeZoneId());
+    TQString data = "";
+    TQString header = "";
+    TQString footer = "";
+    ICalFormat ical;
+
+    // Get the iCal header and footer
+    header = ical.toString(&loc);
+    int location = header.find("END:VCALENDAR", 0, true);
+    footer = header.mid(location, 0xffffffff);
+    header.remove("END:VCALENDAR");
+
+    data = data + header;
+    // NOTE: This is very susceptible to invalid entries in added/changed/deletedIncidences
+    // Be very careful with clearChange/clearChanges, and be sure to clear after load and save...
+    for(Incidence::List::ConstIterator it = inc.constBegin(); it != inc.constEnd(); ++it) {
+        Incidence *i = (*it)->clone();
+        data = data + ical.toString(i, &mCalendar);
+    }
+    data = data + footer;
+
+    // Remove any line feeds/carriage returns/white spaces from the UID field as they WILL break libcaldav
+    int uidPos = data.find("UID:", 0) + 4;
+    int nextPos = data.findRev("\n", data.find(":", uidPos));
+    TQString uidField = data.mid(uidPos, nextPos-uidPos);
+    data.remove(uidPos, nextPos-uidPos);
+    uidField.replace("\n", "");
+    uidField.replace("\r", "");
+    uidField.replace(" ", "");
+    data.insert(uidPos, uidField);
+    return data;
+}
+
+void ResourceCalDav::writingQueuePush(const WritingTask *task) {
+//     printf("task->added: %s\n\r", task->added.ascii());
+//     printf("task->deleted: %s\n\r", task->deleted.ascii());
+//     printf("task->changed: %s\n\r", task->changed.ascii());
+    mWritingQueue.enqueue(task);
+    updateProgressBar(1);
+    writingQueuePop();
+}
+
+void ResourceCalDav::writingQueuePop() {
+    if (!mWritingQueueReady || mWritingQueue.isEmpty()) {
+        return;
+    }
+
+    if (!mWriter) {
+        log("writer == NULL");
+        return;
+    }
+
+    // Writing queue and mWritingQueueReady flag are not shared resources, i.e. only one thread has an access to them.
+    // That's why no mutexes are required.
+    WritingTask *t = mWritingQueue.head();
+
+    log("writingQueuePop: url = " + t->url);
+
+    mWriter->setUrl(t->url);
+    mWriter->setTasksUrl(t->tasksUrl);
+    mWriter->setJournalsUrl(t->journalsUrl);
+    mWriter->setParent(this);
+    mWriter->setType(1);
+
+#ifdef KCALDAV_DEBUG
+    const TQString fout_path = "/tmp/kcaldav_upload_" + identifier() + ".tmp";
+
+    TQFile fout(fout_path);
+    if (fout.open(IO_WriteOnly | IO_Append)) {
+        TQTextStream sout(&fout);
+        sout << "---------- " << resourceName() << ": --------------------------------\n";
+        sout << "================== Added:\n" << t->added << "\n";
+        sout << "================== Changed:\n" << t->changed << "\n";
+        sout << "================== Deleted:\n" << t->deleted << "\n";
+        fout.close();
+    } else {
+        loadError(i18n("can't open file"));
+    }
+#endif // debug
+
+    mWriter->setAddedObjects(t->added);
+    mWriter->setChangedObjects(t->changed);
+    mWriter->setDeletedObjects(t->deleted);
+
+    mWriter->setAddedTasksObjects(t->tasksAdded);
+    mWriter->setChangedTasksObjects(t->tasksChanged);
+    mWriter->setDeletedTasksObjects(t->tasksDeleted);
+
+    mWriter->setAddedJournalsObjects(t->journalsAdded);
+    mWriter->setChangedJournalsObjects(t->journalsChanged);
+    mWriter->setDeletedJournalsObjects(t->journalsDeleted);
+
+    mWritingQueueReady = false;
+
+    log("starting actual write job");
+    mWriter->start(TQThread::LowestPriority);
+
+    // if all ok, remove the task from the queue
+    mWritingQueue.dequeue();
+    updateProgressBar(1);
+
+    delete t;
+}
+
+bool ResourceCalDav::event ( TQEvent * e ) {
+    if (e->type() == 1000) {
+        // Read done
+        loadFinished();
+        return TRUE;
+    }
+    else if (e->type() == 1001) {
+        // Write done
+        writingFinished();
+        return TRUE;
+    }
+    else return FALSE;
+}
+
+void ResourceCalDav::releaseReadLockout() {
+    readLockout = false;
+}
+
+bool ResourceCalDav::startWriting(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl) {
+    log("startWriting: url = " + url);
+
+    // WARNING: This will segfault if a separate read or write thread
+    // modifies the calendar with clearChanges() or similar
+    // Before these calls are made any existing read (and maybe write) threads should be finished
+    if ((mLoader->running() == true) || (mLoadingQueue.isEmpty() == false) || (mWriter->running() == true) || (mWritingQueue.isEmpty() == false)) {
+        if (mWriteRetryTimer == NULL) {
+            mWriteRetryTimer = new TQTimer(this);
+            connect( mWriteRetryTimer, TQT_SIGNAL(timeout()), TQT_SLOT(doSave()) );
+        }
+        mWriteRetryTimer->start(1000, TRUE);
+        return false;
+    }
+
+    // If we don't lock the read out for a few seconds, it would be possible for the old calendar to be
+    // downloaded before our changes are committed, presenting a very bad image to the user as his/her appointments
+    // revert to the state they were in before the write (albiet temporarily)
+    readLockout = true;
+
+    // This needs to send each event separately; i.e. if two events were added they need
+    // to be extracted and pushed on the stack independently (using two calls to writingQueuePush())
+
+    Incidence::List added = addedIncidences();
+    Incidence::List changed = changedIncidences();
+    Incidence::List deleted = deletedIncidences();
+
+    Incidence::List::ConstIterator it;
+    Incidence::List currentIncidence;
+
+    for( it = added.begin(); it != added.end(); ++it ) {
+        WritingTask *t = new WritingTask;
+
+        currentIncidence.clear();
+        currentIncidence.append(*it);
+
+        t->url = url;
+        t->tasksUrl = tasksUrl;
+        t->journalsUrl = journalsUrl;
+        t->added = "";
+        t->changed = "";
+        t->deleted = "";
+        t->tasksAdded = "";
+        t->tasksChanged = "";
+        t->tasksDeleted = "";
+        t->journalsAdded = "";
+        t->journalsChanged = "";
+        t->journalsDeleted = "";
+        if (getICalString(currentIncidence).contains("BEGIN:VEVENT") > 0)
+          t->added = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VTODO") > 0)
+          t->tasksAdded = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VJOURNAL") > 0)
+          t->journalsAdded = getICalString(currentIncidence);
+
+        writingQueuePush(t);
+    }
+
+    for( it = changed.begin(); it != changed.end(); ++it ) {
+        WritingTask *t = new WritingTask;
+
+        currentIncidence.clear();
+        currentIncidence.append(*it);
+
+        t->url = url;
+        t->tasksUrl = tasksUrl;
+        t->added = "";
+        t->changed = "";
+        t->deleted = "";
+        t->tasksAdded = "";
+        t->tasksChanged = "";
+        t->tasksDeleted = "";
+        t->journalsAdded = "";
+        t->journalsChanged = "";
+        t->journalsDeleted = "";
+
+        if (getICalString(currentIncidence).contains("BEGIN:VEVENT") > 0)
+          t->changed = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VTODO") > 0)
+          t->tasksChanged = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VJOURNAL") > 0)
+          t->journalsChanged = getICalString(currentIncidence);
+
+        writingQueuePush(t);
+    }
+
+    for( it = deleted.begin(); it != deleted.end(); ++it ) {
+        WritingTask *t = new WritingTask;
+
+        currentIncidence.clear();
+        currentIncidence.append(*it);
+
+        t->url = url;
+        t->tasksUrl = tasksUrl;
+        t->added = "";
+        t->changed = "";
+        t->deleted = "";
+        t->tasksAdded = "";
+        t->tasksChanged = "";
+        t->tasksDeleted = "";
+        t->journalsAdded = "";
+        t->journalsChanged = "";
+        t->journalsDeleted = "";
+
+        if (getICalString(currentIncidence).contains("BEGIN:VEVENT") > 0)
+          t->deleted = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VTODO") > 0)
+          t->tasksDeleted = getICalString(currentIncidence);
+        else if (getICalString(currentIncidence).contains("BEGIN:VJOURNALS") > 0)
+          t->journalsDeleted = getICalString(currentIncidence);
+
+        writingQueuePush(t);
+    }
+
+    return true;
+}
+
+void ResourceCalDav::writingFinished() {
+    log("writing finished");
+
+    if (!mWriter) {
+        log("mWriter is NULL");
+        return;
+    }
+
+    if (mWriter->error() && (abs(mWriter->errorNumber()) != 207)) {
+        if (mWriter->errorNumber() == -401) {
+            if (NULL != mPrefs) {
+                TQCString newpass;
+                if (KPasswordDialog::getPassword (newpass, TQString("<b>") + i18n("Remote authorization required") + TQString("</b><p>") + i18n("Please input the password for") + TQString(" ") + mPrefs->getusername(), NULL) != 1) {
+                    log("write error: " + mWriter->errorString());
+                    saveError(TQString("[%1] ").arg(abs(mWriter->errorNumber())) + mWriter->errorString());
+                }
+                else {
+                    // Set new password and try again
+                    mPrefs->setPassword(TQString(newpass));
+                    startWriting(mPrefs->getFullUrl(), mPrefs->getFullTasksUrl(), mPrefs->getFullJournalsUrl());
+                }
+            }
+            else {
+                log("write error: " + mWriter->errorString());
+                saveError(TQString("[%1] ").arg(abs(mWriter->errorNumber())) + mWriter->errorString());
+            }
+        }
+        else {
+            log("write error: " + mWriter->errorString());
+            saveError(TQString("[%1] ").arg(abs(mWriter->errorNumber())) + mWriter->errorString());
+        }
+    } else {
+        log("success");
+        // is there something to do here?
+    }
+
+    // Give the remote system a few seconds to process the data before we allow any read operations
+    TQTimer::singleShot( 3000, this, TQT_SLOT(releaseReadLockout()) );
+
+    // Writing queue and mWritingQueueReady flag are not shared resources, i.e. only one thread has an access to them.
+    // That's why no mutexes are required.
+    mWriter->terminate();
+    mWriter->wait(TERMINATION_WAITING_TIME);
+    mWritingQueueReady = true;
+    updateProgressBar(1);
+    writingQueuePop();
+}
+
+#include "resource.moc"
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/resource.h b/tderesources/caldav/resource.h
new file mode 100644
index 000000000..ea04ef483
--- /dev/null
+++ b/tderesources/caldav/resource.h
@@ -0,0 +1,268 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Main interface to the KResource system.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCAL_RESOURCECALDAV_H
+#define KCAL_RESOURCECALDAV_H
+
+#include "preferences.h"
+#include <tqthread.h>
+#include <tqptrqueue.h>
+
+#include <libkcal/resourcecached.h>
+#include <libtdepim/progressmanager.h>
+
+#include <kabc/locknull.h>
+
+#include <tdepimmacros.h>
+#include <kconfig.h>
+
+namespace KCal {
+
+class CalDavReader;
+class CalDavWriter;
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * This class provides a resource for accessing calendars via CalDAV protocol.
+ */
+class KDE_EXPORT ResourceCalDav : public ResourceCached
+{
+    Q_OBJECT
+  
+
+public:
+
+    explicit ResourceCalDav( const TDEConfig *config );
+    virtual ~ResourceCalDav();
+
+    void readConfig( const TDEConfig *config );
+    void writeConfig( TDEConfig *config );
+
+    /**
+     * @return This resource preferences.
+     */
+    CalDavPrefs* prefs() {
+        return mPrefs;
+    }
+
+    /**
+     * @return This resource preferences.
+     */
+    const CalDavPrefs* prefs() const {
+        return mPrefs;
+    }
+
+    virtual void setReadOnly(bool v);
+
+    bool isSaving();
+
+protected slots:
+
+    void loadFinished();
+
+    virtual bool doSave();
+
+    void writingFinished();
+
+    void releaseReadLockout();
+
+protected:
+
+    struct LoadingTask {
+        TQString url;
+        TQString tasksUrl;
+        TQString journalsUrl;
+    };
+
+    struct WritingTask {
+        TQString url;
+        TQString tasksUrl;
+        TQString journalsUrl;
+
+        TQString added;
+        TQString changed;
+        TQString deleted;
+
+        TQString tasksAdded;
+        TQString tasksChanged;
+        TQString tasksDeleted;
+
+        TQString journalsAdded;
+        TQString journalsChanged;
+        TQString journalsDeleted;
+    };
+
+
+    virtual bool doLoad();
+//    virtual bool doSave();
+
+    virtual KABC::Lock* lock();
+
+    /**
+     * Creates prefs and configures them.
+     * @return a newly created preferences object. It should be removed by the caller.
+     */
+    CalDavPrefs* createPrefs() const;
+
+    /**
+     * Initializes internal state.
+     * Particulary, sets save and reload policies to default values,
+     * creates writing and reading jobs and preferences objects.
+     */
+    void init();
+
+    /**
+     * Updates the progress bar
+     */
+    void updateProgressBar(int direction);
+
+    /**
+     * Initiates calendar loading process.
+     * @param url URL to load calendar data from.
+     * @param tasksUrl URL to load task data from.
+     * @param journalsUrl URL to load journal data from.
+     */
+    void startLoading(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl);
+
+    /**
+     * Checks if the data is correct and can be parsed.
+     * @param data ical string to check.
+     * @return true if the data is correct, false otherwise.
+     */
+    bool checkData(const TQString& data);
+
+    /**
+     * Parses the data and adds events to the calendar.
+     * @param data calendar data.
+     * @return true on success, false on fail.
+     */
+    bool parseData(const TQString& data);
+
+    /**
+     * Parses the data and adds tasks to the calendar.
+     * @param data calendar data.
+     * @return true on success, false on fail.
+     */
+    bool parseTasksData(const TQString& data);
+
+    /**
+     * Parses the data and adds journals to the calendar.
+     * @param data calendar data.
+     * @return true on success, false on fail.
+     */
+    bool parseJournalsData(const TQString& data);
+
+    /**
+     * Initiates calendar writing process.
+     * @param url URL to save event data to.
+     * @param tasksUrl URL to save task data to.
+     * @param journalsUrl URL to save journal data to.
+     * @return true if write was queued successfully, false if not
+     */
+    bool startWriting(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl);
+
+    /**
+     * Returns a list of incidences as a valid iCalendar string.
+     * @param inc list of incidences.
+     * @return a string in iCalendar format which describes the given incidences.
+     */
+    TQString getICalString(const Incidence::List& inc);
+
+    /**
+     * Changes read-only status of incidences from a given list.
+     * @param inc list of incidences.
+     * @param readOnly read-only status that all the incidences should have after the method finishes.
+     */
+    static void setIncidencesReadOnly(Incidence::List& inc, bool readOnly);
+
+    /**
+     * Ensures incidences' read-only states are the same as the calendar's read-only state.
+     */
+    void ensureReadOnlyFlagHonored();
+
+    /**
+     * If the loading queue is empty or the loader is not ready, does nothing.
+     * Otherwise, pops a head element and starts a loading process for it.
+     */
+    void loadingQueuePop();
+
+    /**
+     * Pushes the given loading task to the loading queue.
+     * Then calls loadingQueuePop.
+     */
+    void loadingQueuePush(const LoadingTask *task);
+
+    /**
+     * If the writing queue is empty or the writer is not ready, does nothing.
+     * Otherwise, pops a head element and starts a writing process for it.
+     */
+    void writingQueuePop();
+
+    /**
+     * Pushes the given writing task to the writing queue.
+     * Then calls writingQueuePop.
+     */
+    void writingQueuePush(const WritingTask *task);
+
+    virtual bool event ( TQEvent * e );
+
+private:
+
+    // constants: =============================================================
+
+    /// Termination waiting time in milliseconds. Used to terminate job threads.
+    static const unsigned long TERMINATION_WAITING_TIME;
+
+    /**
+     * Resource caches only events which are from the interval [-CACHE_DAYS, CACHE_DAYS].
+     */
+    static const int CACHE_DAYS;
+
+    static const int DEFAULT_RELOAD_INTERVAL;
+    static const int DEFAULT_SAVE_INTERVAL;
+    static const int DEFAULT_RELOAD_POLICY;
+    static const int DEFAULT_SAVE_POLICY;
+
+    bool readLockout;
+    bool mAllWritesComplete;
+
+    // members: ===============================================================
+
+    KABC::LockNull mLock;
+    CalDavPrefs* mPrefs;
+    CalDavReader* mLoader;
+    CalDavWriter* mWriter;
+    KPIM::ProgressItem *mProgress;
+
+    bool mLoadingQueueReady;
+    TQPtrQueue<LoadingTask> mLoadingQueue;
+
+    bool mWritingQueueReady;
+    TQPtrQueue<WritingTask> mWritingQueue;
+
+    TQTimer *mWriteRetryTimer;
+
+};
+
+
+
+} // namespace KCal
+
+#endif // KCAL_RESOURCECALDAV_H
+
diff --git a/tderesources/caldav/uninstall.desktop b/tderesources/caldav/uninstall.desktop
new file mode 100644
index 000000000..e1e3e1732
--- /dev/null
+++ b/tderesources/caldav/uninstall.desktop
@@ -0,0 +1,2 @@
+[Desktop Entry]
+Hidden=true
diff --git a/tderesources/caldav/writer.cpp b/tderesources/caldav/writer.cpp
new file mode 100644
index 000000000..d9a6b2f0e
--- /dev/null
+++ b/tderesources/caldav/writer.cpp
@@ -0,0 +1,162 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Remote calendar writing class.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#include "writer.h"
+#include <kdebug.h>
+#include <string>
+
+/*=========================================================================
+| DEFINES
+ ========================================================================*/
+
+// Use caldav_modify_object() function.
+// If it's not set, a pair of caldav_delete_object/caldav_add_object
+// is used for modifying objects.
+// It's done, because, for some reason, SOGo server returns an error
+// on caldav_modify_object. DAViCAL works fine both ways.
+#define USE_CALDAV_MODIFY
+#define USE_CALDAV_TASKS_MODIFY
+
+/*=========================================================================
+| NAMESPACE
+ ========================================================================*/
+
+using namespace KCal;
+
+/*=========================================================================
+| METHODS
+ ========================================================================*/
+
+void CalDavWriter::cleanJob() {
+    CalDavJob::cleanJob();
+}
+
+int CalDavWriter::runJob(runtime_info* RT) {
+    kdDebug() << "writer::run, url: " << url() << "\n";
+
+    int res = OK;
+
+    if ((OK == res) && (url() != "")) {
+      kdDebug() << "pushing added objects" << '\n';
+      res = pushObjects(mAdded, caldav_add_object, OK, RT);
+      if (OK == res) {
+#ifdef USE_CALDAV_MODIFY
+          kdDebug() << "pushing changed objects" << '\n';
+          res = pushObjects(mChanged, caldav_modify_object, OK, RT);
+          if (OK == res) {
+              kdDebug() << "pushing deleted objects" << '\n';
+              res = pushObjects(mDeleted, caldav_delete_object, OK, RT);
+          }
+#else // if USE_CALDAV_MODIFY
+          kdDebug() << "pushing changed objects (delete)" << '\n';
+          res = pushObjects(mChanged, caldav_delete_object, OK, RT);
+          if (OK == res) {
+              kdDebug() << "pushing changed objects (add)" << '\n';
+              res = pushObjects(mChanged, caldav_add_object, OK, RT);
+              if (OK == res) {
+                  kdDebug() << "pushing deleted objects" << '\n';
+                  res = pushObjects(mDeleted, caldav_delete_object, OK, RT);
+              }
+          }
+#endif // if USE_CALDAV_MODIFY
+      }
+    }
+
+    int tasksres = OK;
+
+    if ((OK == tasksres) && (tasksUrl() != "")) {
+      kdDebug() << "pushing added tasks objects" << '\n';
+      tasksres = pushTasksObjects(mTasksAdded, caldav_add_object, OK, RT);
+      if (OK == tasksres) {
+#ifdef USE_CALDAV_TASKS_MODIFY
+          kdDebug() << "pushing changed objects" << '\n';
+          tasksres = pushTasksObjects(mTasksChanged, caldav_tasks_modify_object, OK, RT);
+          if (OK == tasksres) {
+              kdDebug() << "pushing deleted objects" << '\n';
+              tasksres = pushTasksObjects(mTasksDeleted, caldav_tasks_delete_object, OK, RT);
+          }
+#else // if USE_CALDAV_TASKS_MODIFY
+          kdDebug() << "pushing changed objects (delete)" << '\n';
+          tasksres = pushTasksObjects(mTasksChanged, caldav_tasks_delete_object, OK, RT);
+          if (OK == tasksres) {
+              kdDebug() << "pushing changed objects (add)" << '\n';
+              tasksres = pushTasksObjects(mTasksChanged, caldav_add_object, OK, RT);
+              if (OK == tasksres) {
+                  kdDebug() << "pushing deleted objects" << '\n';
+                  tasksres = pushTasksObjects(mTasksDeleted, caldav_tasks_delete_object, OK, RT);
+              }
+          }
+#endif // if USE_CALDAV_TASKS_MODIFY
+      }
+    }
+
+    int journalsres = OK;
+
+    if ((OK == journalsres) && (tasksUrl() != "")) {
+      kdDebug() << "pushing added tasks objects" << '\n';
+      journalsres = pushJournalsObjects(mJournalsAdded, caldav_add_object, OK, RT);
+      if (OK == journalsres) {
+#ifdef USE_CALDAV_TASKS_MODIFY
+          kdDebug() << "pushing changed objects" << '\n';
+          journalsres = pushJournalsObjects(mJournalsChanged, caldav_tasks_modify_object, OK, RT);
+          if (OK == journalsres) {
+              kdDebug() << "pushing deleted objects" << '\n';
+              journalsres = pushJournalsObjects(mJournalsDeleted, caldav_tasks_delete_object, OK, RT);
+          }
+#else // if USE_CALDAV_TASKS_MODIFY
+          kdDebug() << "pushing changed objects (delete)" << '\n';
+          journalsres = pushJournalsObjects(mJournalsChanged, caldav_tasks_delete_object, OK, RT);
+          if (OK == journalsres) {
+              kdDebug() << "pushing changed objects (add)" << '\n';
+              journalsres = pushJournalsObjects(mJournalsChanged, caldav_add_object, OK, RT);
+              if (OK == journalsres) {
+                  kdDebug() << "pushing deleted objects" << '\n';
+                  journalsres = pushJournalsObjects(mJournalsDeleted, caldav_tasks_delete_object, OK, RT);
+              }
+          }
+#endif // if USE_CALDAV_TASKS_MODIFY
+      }
+    }
+
+    if ((OK != res) || (OK != tasksres)) {
+        clearObjects();
+    }
+
+    if (tasksres == OK)
+      return res;
+    else
+      return tasksres;
+}
+
+int CalDavWriter::runTasksJob(runtime_info* RT) {
+    // Stub function as there is no reason to split the writing jobs like the reading jobs
+    return OK;
+}
+
+void CalDavWriter::cleanTasksJob() {
+    // Stub function as there is no reason to split the writing jobs like the reading jobs
+}
+
+int CalDavWriter::runJournalsJob(runtime_info* RT) {
+    // Stub function as there is no reason to split the writing jobs like the reading jobs
+    return OK;
+}
+
+void CalDavWriter::cleanJournalsJob() {
+    // Stub function as there is no reason to split the writing jobs like the reading jobs
+}
+
+// EOF ========================================================================
diff --git a/tderesources/caldav/writer.h b/tderesources/caldav/writer.h
new file mode 100644
index 000000000..437eeed0e
--- /dev/null
+++ b/tderesources/caldav/writer.h
@@ -0,0 +1,202 @@
+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010  Timothy Pearson
+| (c) 2009  Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Remote calendar writing class.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCALDAV_WRITER_H
+#define KCALDAV_WRITER_H
+
+#include "job.h"
+
+#include <string>
+#include <tqstring.h>
+#include <tqdatetime.h>
+
+namespace KCal {
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * Calendar writer.
+ */
+class CalDavWriter : public CalDavJob {
+
+public:
+
+    /**
+     * @param url URL to load.
+     */
+    CalDavWriter(const TQString& url = TQString()) :
+        CalDavJob(url)
+    {
+        clearObjects();
+    }
+
+    /**
+     * Sets the information about added events writer should send to server.
+     * @param s icalendar-formatted string consists of all added events plus necessary calendar info.
+     * May be an empty string, which means there are no added events to send.
+     */
+    void setAddedObjects(const TQString& s) {
+        mAdded = s;
+    }
+
+    /**
+     * Sets the information about changed events writer should send to server.
+     * @param s icalendar-formatted string consists of all changed events plus necessary calendar info.
+     * May be an empty string, which means there are no changed events to send.
+     */
+    void setChangedObjects(const TQString& s) {
+        mChanged = s;
+    }
+
+    /**
+     * Sets the information about deleted events writer should send to server.
+     * @param s icalendar-formatted string consists of all deleted events plus necessary calendar info.
+     * May be an empty string, which means there are no deleted events to send.
+     */
+    void setDeletedObjects(const TQString& s) {
+        mDeleted = s;
+    }
+
+    /**
+     * Sets the information about added tasks writer should send to server.
+     * @param s icalendar-formatted string consists of all added tasks plus necessary calendar info.
+     * May be an empty string, which means there are no added tasks to send.
+     */
+    void setAddedTasksObjects(const TQString& s) {
+        mTasksAdded = s;
+    }
+
+    /**
+     * Sets the information about added journals writer should send to server.
+     * @param s icalendar-formatted string consists of all added journals plus necessary calendar info.
+     * May be an empty string, which means there are no added journals to send.
+     */
+    void setAddedJournalsObjects(const TQString& s) {
+        mJournalsAdded = s;
+    }
+
+    /**
+     * Sets the information about changed tasks writer should send to server.
+     * @param s icalendar-formatted string consists of all changed tasks plus necessary calendar info.
+     * May be an empty string, which means there are no changed tasks to send.
+     */
+    void setChangedTasksObjects(const TQString& s) {
+        mTasksChanged = s;
+    }
+
+    /**
+     * Sets the information about changed journals writer should send to server.
+     * @param s icalendar-formatted string consists of all changed journals plus necessary calendar info.
+     * May be an empty string, which means there are no changed journals to send.
+     */
+    void setChangedJournalsObjects(const TQString& s) {
+        mJournalsChanged = s;
+    }
+
+    /**
+     * Sets the information about deleted tasks writer should send to server.
+     * @param s icalendar-formatted string consists of all deleted tasks plus necessary calendar info.
+     * May be an empty string, which means there are no deleted tasks to send.
+     */
+    void setDeletedTasksObjects(const TQString& s) {
+        mTasksDeleted = s;
+    }
+
+    /**
+     * Sets the information about deleted journals writer should send to server.
+     * @param s icalendar-formatted string consists of all deleted journals plus necessary calendar info.
+     * May be an empty string, which means there are no deleted journals to send.
+     */
+    void setDeletedJournalsObjects(const TQString& s) {
+        mJournalsDeleted = s;
+    }
+
+    /**
+     * Clear all the information previously set.
+     */
+    void clearObjects() {
+        setAddedObjects("");
+        setChangedObjects("");
+        setDeletedObjects("");
+        setAddedTasksObjects("");
+        setChangedTasksObjects("");
+        setDeletedTasksObjects("");
+        setAddedJournalsObjects("");
+        setChangedJournalsObjects("");
+        setDeletedJournalsObjects("");
+    }
+
+protected:
+
+    virtual int runJob(runtime_info* caldavRuntime);
+    virtual int runTasksJob(runtime_info* caldavRuntime);
+    virtual int runJournalsJob(runtime_info* caldavRuntime);
+
+    virtual void cleanJob();
+    virtual void cleanTasksJob();
+    virtual void cleanJournalsJob();
+
+    /// Just a wrapper above libcaldav event writing functions.
+    template<typename Operation>
+    int pushObjects(const TQString& data, Operation op, int okCode, runtime_info* RT) {
+        int r = okCode;
+        if (!data.isNull() && !data.isEmpty()) {
+            r = op(std::string(data.ascii()).c_str(), std::string(url().ascii()).c_str(), RT);
+        }
+        return r;
+    }
+
+    /// Just a wrapper above libcaldav task writing functions.
+    template<typename Operation>
+    int pushTasksObjects(const TQString& data, Operation op, int okCode, runtime_info* RT) {
+        int r = okCode;
+        if (!data.isNull() && !data.isEmpty()) {
+            r = op(std::string(data.ascii()).c_str(), std::string(tasksUrl().ascii()).c_str(), RT);
+        }
+        return r;
+    }
+
+    /// Just a wrapper above libcaldav journal writing functions.
+    template<typename Operation>
+    int pushJournalsObjects(const TQString& data, Operation op, int okCode, runtime_info* RT) {
+        int r = okCode;
+//         if (!data.isNull() && !data.isEmpty()) {
+//             r = op(std::string(data.ascii()).c_str(), std::string(journalsUrl().ascii()).c_str(), RT);
+//         }
+        return r;
+    }
+
+private:
+
+    TQString mAdded;
+    TQString mChanged;
+    TQString mDeleted;
+
+    TQString mTasksAdded;
+    TQString mTasksChanged;
+    TQString mTasksDeleted;
+
+    TQString mJournalsAdded;
+    TQString mJournalsChanged;
+    TQString mJournalsDeleted;
+};
+
+} // namespace KCal
+
+#endif // KCALDAV_WRITER_H
+