Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 235 insertions, 0 deletions

diff --git a/juk/webimagefetcherdialog.cpp b/juk/webimagefetcherdialog.cpp
new file mode 100644
index 00000000..cc14ed61
--- /dev/null
+++ b/juk/webimagefetcherdialog.cpp
@@ -0,0 +1,235 @@
+/***************************************************************************
+    copyright            : (C) 2004 Nathan Toone
+    email                : nathan@toonetown.com
+    copyright            : (C) 2007 Michael Pyne
+    email                : michael.pyne@kdemail.net
+***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <kapplication.h>
+#include <kio/netaccess.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <kmessagebox.h>
+#include <krun.h>
+#include <kcombobox.h>
+#include <kiconloader.h>
+#include <kurllabel.h>
+
+#include <qvbox.h>
+#include <qlayout.h>
+#include <qimage.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qeventloop.h>
+
+#include "webimagefetcherdialog.h"
+#include "tag.h"
+
+WebImageFetcherDialog::WebImageFetcherDialog(const WebImageList &imageList,
+                                         const FileHandle &file,
+                                         QWidget *parent) :
+    KDialogBase(parent, "internet_image_fetcher", true, QString::null,
+                Ok | Cancel | User1 , NoDefault, true),
+    m_pixmap(QPixmap()),
+    m_imageList(imageList),
+    m_file(file)
+{
+    disableResize();
+
+    QWidget *mainBox = new QWidget(this);
+    QBoxLayout *mainLayout = new QVBoxLayout(mainBox);
+
+    m_iconWidget = new KIconView(mainBox);
+    m_iconWidget->setResizeMode(QIconView::Adjust);
+    m_iconWidget->setSpacing(10);
+    m_iconWidget->setFixedSize(500,550);
+    m_iconWidget->arrangeItemsInGrid();
+    m_iconWidget->setItemsMovable(false);
+    mainLayout->addWidget(m_iconWidget);
+    connect(m_iconWidget, SIGNAL(executed(QIconViewItem *)),
+	    this, SLOT(slotOk()));
+
+    // Before changing the code below be sure to check the attribution terms
+    // of the Yahoo Image Search API.
+    // http://developer.yahoo.com/attribution/
+    KURLLabel *logoLabel = new KURLLabel(mainBox);
+    logoLabel->setURL("http://developer.yahoo.com/about/");
+    logoLabel->setPixmap(UserIcon("yahoo_credit"));
+    logoLabel->setMargin(15);    // Allow large margin per attribution terms.
+    logoLabel->setUseTips(true); // Show URL in tooltip.
+    connect(logoLabel, SIGNAL(leftClickedURL(const QString &)),
+                       SLOT(showCreditURL(const QString &)));
+
+    QBoxLayout *creditLayout = new QHBoxLayout(mainLayout);
+    creditLayout->addStretch(); // Left spacer
+    creditLayout->addWidget(logoLabel);
+    creditLayout->addStretch(); // Right spacer
+
+    setMainWidget(mainBox);
+    setButtonText(User1, i18n("New Search"));
+}
+
+WebImageFetcherDialog::~WebImageFetcherDialog()
+{
+}
+
+void WebImageFetcherDialog::showCreditURL(const QString &url)
+{
+    // Don't use static member since I'm sure that someday knowing my luck
+    // Yahoo will change their mimetype they serve.
+    (void) new KRun(KURL(url), topLevelWidget());
+}
+
+void WebImageFetcherDialog::setLayout()
+{
+    setCaption(QString("%1 - %2 (%3)")
+              .arg(m_file.tag()->artist())
+              .arg(m_file.tag()->album())
+              .arg(m_imageList.size()));
+
+    m_iconWidget->clear();
+    for(uint i = 0; i < m_imageList.size(); i++)
+        new CoverIconViewItem(m_iconWidget, m_imageList[i]);
+
+    adjustSize();
+}
+
+void WebImageFetcherDialog::setImageList(const WebImageList &imageList)
+{
+    m_imageList = imageList;
+}
+
+void WebImageFetcherDialog::setFile(const FileHandle &file)
+{
+    m_file = file;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// public slots
+////////////////////////////////////////////////////////////////////////////////
+
+void WebImageFetcherDialog::refreshScreen(WebImageList &imageList)
+{
+    setImageList(imageList);
+    setLayout();
+}
+
+int WebImageFetcherDialog::exec()
+{
+    setLayout();
+    return KDialogBase::exec();
+}
+
+void WebImageFetcherDialog::slotOk()
+{
+    uint selectedIndex = m_iconWidget->index(m_iconWidget->currentItem());
+    m_pixmap = pixmapFromURL(m_imageList[selectedIndex].imageURL());
+
+    if(m_pixmap.isNull()) {
+        KMessageBox::sorry(this,
+                           i18n("The cover you have selected is unavailable. Please select another."),
+                           i18n("Cover Unavailable"));
+        QPixmap blankPix;
+        blankPix.resize(80, 80);
+        blankPix.fill();
+        m_iconWidget->currentItem()->setPixmap(blankPix, true, true);
+        return;
+    }
+
+    accept();
+    emit coverSelected();
+}
+
+void WebImageFetcherDialog::slotCancel()
+{
+    m_pixmap = QPixmap();
+    reject();
+}
+
+void WebImageFetcherDialog::slotUser1()
+{
+    m_pixmap = QPixmap();
+    accept();
+    emit newSearchRequested();
+}
+
+QPixmap WebImageFetcherDialog::fetchedImage(uint index) const
+{
+    return (index > m_imageList.count()) ? QPixmap() : pixmapFromURL(m_imageList[index].imageURL());
+}
+
+QPixmap WebImageFetcherDialog::pixmapFromURL(const KURL &url) const
+{
+    QString file;
+
+    if(KIO::NetAccess::download(url, file, 0)) {
+        QPixmap pixmap = QPixmap(file);
+        KIO::NetAccess::removeTempFile(file);
+        return pixmap;
+    }
+    KIO::NetAccess::removeTempFile(file);
+    return QPixmap();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// CoverIconViewItem
+////////////////////////////////////////////////////////////////////////////////
+
+CoverIconViewItem::CoverIconViewItem(QIconView *parent, const WebImage &image) :
+    QObject(parent), KIconViewItem(parent, parent->lastItem(), image.size()), m_job(0)
+{
+    // Set up the iconViewItem
+
+    QPixmap mainMap;
+    mainMap.resize(80, 80);
+    mainMap.fill();
+    setPixmap(mainMap, true, true);
+
+    // Start downloading the image.
+
+    m_job = KIO::get(image.thumbURL(), false, false);
+    connect(m_job, SIGNAL(result(KIO::Job *)), this, SLOT(imageResult(KIO::Job *)));
+    connect(m_job, SIGNAL(data(KIO::Job *, const QByteArray &)),
+            this, SLOT(imageData(KIO::Job *, const QByteArray &)));
+}
+
+CoverIconViewItem::~CoverIconViewItem()
+{
+    if(m_job) {
+        m_job->kill();
+
+        // Drain results issued by KIO before being deleted,
+        // and before deleting the job.
+        kapp->eventLoop()->processEvents(QEventLoop::ExcludeUserInput);
+
+        delete m_job;
+    }
+}
+
+void CoverIconViewItem::imageData(KIO::Job *, const QByteArray &data)
+{
+    int currentSize = m_buffer.size();
+    m_buffer.resize(currentSize + data.size(), QGArray::SpeedOptim);
+    memcpy(&(m_buffer.data()[currentSize]), data.data(), data.size());
+}
+
+void CoverIconViewItem::imageResult(KIO::Job *job)
+{
+    if(job->error())
+        return;
+
+    QPixmap iconImage(m_buffer);
+    iconImage = QImage(iconImage.convertToImage()).smoothScale(80, 80, QImage::ScaleMin);
+    setPixmap(iconImage, true, true);
+}
+
+#include "webimagefetcherdialog.moc"