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/* -*- mode: C++; c-file-style: "gnu" -*-
* kmail: KDE mail client
* Copyright (c) 1996-1998 Stefan Taferner <taferner@kde.org>
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef kmfilter_h
#define kmfilter_h
#include "kmsearchpattern.h"
#include "kmpopheaders.h"
#include <kshortcut.h>
#include <tqptrlist.h>
class TQString;
class KConfig;
class KMMessage;
class KMFilterAction;
class KMFolder;
// maximum number of filter actions per filter
const int FILTER_MAX_ACTIONS = 8;
class KMFilter
{
public:
/** Result codes returned by process. They mean:
@param GoOn Everything OK. You are still the owner of the
message and you should continue applying filter actions to this
message.
@param CriticalError A critical error occurred (e.g. "disk full").
@param NoResult For internal use only!
*/
enum ReturnCode { NoResult, GoOn, CriticalError };
/** Account type codes used by setApplicability. They mean:
@param All Apply to all accounts
@param ButImap Apply to all but online-IMAP accounts
@param Checked apply to all accounts specified by setApplyOnAccount
*/
enum AccountType { All, ButImap, Checked };
/** Constructor that initializes from given config file, if given.
* Filters are stored one by one in config groups, i.e. one filter, one group.
* The config group has to be preset if config is not 0. */
KMFilter( KConfig* aConfig=0 , bool popFilter = false);
/** Copy constructor. Constructs a deep copy of @p aFilter. */
KMFilter( const KMFilter & other );
/** Cleanup. */
~KMFilter() {}
/** Equivalent to @pattern()->name(). @return name of the filter */
TQString name() const {
return mPattern.name();
}
/** Execute the filter action(s) on the given message.
Returns:
@li 2 if a critical error occurred,
@li 1 if the caller is still
the owner of the message,
@li 0 if processed successfully.
@param msg The message to which the actions should be applied.
@param stopIt Contains
true if the caller may apply other filters and false if he shall
stop the filtering of this message.
*/
ReturnCode execActions( KMMessage* msg, bool& stopIt ) const ;
/** Determines if the filter depends on the body of the message
*/
bool requiresBody(KMMsgBase* msgBase);
/** No descriptions */
KMPopFilterAction action();
/** No descriptions */
void setAction(const KMPopFilterAction aAction);
/** Write contents to given config file. The config group (see the
constructor above) has to be preset. The config object will be
deleted by higher levels, so it is not allowed to store a
pointer to it anywhere inside this function. */
void writeConfig( KConfig* config ) const;
/** Initialize from given config file. The config group (see
constructor above) has to be preset. The config object will be
deleted by higher levels, so it is not allowed to store a
pointer to it anywhere inside this function. */
void readConfig( KConfig* config );
/** Remove empty rules (and actions one day). */
void purify();
/** Check for empty pattern and action list. */
bool isEmpty() const;
/** Provides a reference to the internal action list. If your used
the @p setAction() and @p action() functions before, please
convert to using myFilter->actions()->at() and friends now. */
TQPtrList<KMFilterAction>* actions() { return &mActions; }
/** Provides a reference to the internal action list. Const version. */
const TQPtrList<KMFilterAction>* actions() const { return &mActions; }
/** Provides a reference to the internal pattern. If you used the
@p matches() function before, please convert to using
myFilter->pattern()->matches() now. */
KMSearchPattern* pattern() { return &mPattern; }
/** Provides a reference to the internal pattern. If you used the
@p matches() function before, please convert to using
myFilter->pattern()->matches() now. */
const KMSearchPattern* pattern() const { return &mPattern; }
/** Set whether this filter should be applied on
outbound messages (@p aApply == true) or not.
See applyOnOutbound applyOnInbound setApplyOnInbound
*/
void setApplyOnOutbound( bool aApply=true ) { bApplyOnOutbound = aApply; }
/** @return true if this filter should be applied on
outbound messages, false otherwise.
@see setApplyOnOutbound applyOnInbound setApplyOnInbound
*/
bool applyOnOutbound() const { return bApplyOnOutbound; }
/** Set whether this filter should be applied on
inbound messages (@p aApply == true) or not.
@see setApplyOnOutbound applyOnInbound applyOnOutbound
*/
void setApplyOnInbound( bool aApply=true ) { bApplyOnInbound = aApply; }
/** @return true if this filter should be applied on
inbound messages, false otherwise.
@see setApplyOnOutbound applyOnOutbound setApplyOnInbound
*/
bool applyOnInbound() const { return bApplyOnInbound; }
/** Set whether this filter should be applied on
explicit (CTRL-J) filtering (@p aApply == true) or not.
@see setApplyOnOutbound applyOnInbound applyOnOutbound
*/
void setApplyOnExplicit( bool aApply=true ) { bApplyOnExplicit = aApply; }
/** @return true if this filter should be applied on
explicit (CTRL-J) filtering, false otherwise.
@see setApplyOnOutbound applyOnOutbound setApplyOnInbound
*/
bool applyOnExplicit() const { return bApplyOnExplicit; }
/** Set whether this filter should be applied on
inbound messages for all accounts (@p aApply == All) or
inbound messages for all but nline IMAP accounts (@p aApply == ButImap) or
for a specified set of accounts only.
Only applicable to filters that are applied on inbound messages.
@see setApplyOnInbound setApplyOnAccount
*/
void setApplicability( AccountType aApply=All ) { mApplicability = aApply; }
/** @return true if this filter should be applied on
inbound messages for all accounts, or false if this filter
is to be applied on a specified set of accounts only.
Only applicable to filters that are applied on inbound messages.
@see setApplicability
*/
AccountType applicability() const { return mApplicability; }
/** Set whether this filter should be applied on
inbound messages for the account with id (@p id).
Only applicable to filters that are only applied to a specified
set of accounts.
@see setApplicability applyOnAccount
*/
void setApplyOnAccount( uint id, bool aApply=true );
/** @return true if this filter should be applied on
inbound messages from the account with id (@p id), false otherwise.
@see setApplicability
*/
bool applyOnAccount( uint id ) const;
void setStopProcessingHere( bool aStop ) { bStopProcessingHere = aStop; }
bool stopProcessingHere() const { return bStopProcessingHere; }
/** Set whether this filter should be plugged into the filter menu.
*/
void setConfigureShortcut( bool aShort ) {
bConfigureShortcut = aShort;
bConfigureToolbar = bConfigureToolbar && bConfigureShortcut;
}
/** @return true if this filter should be plugged into the filter menu,
false otherwise.
@see setConfigureShortcut
*/
bool configureShortcut() const { return bConfigureShortcut; }
/** Set whether this filter should be plugged into the toolbar.
This can be done only if a shortcut is defined.
@see setConfigureShortcut
*/
void setConfigureToolbar( bool aTool ) {
bConfigureToolbar = aTool && bConfigureShortcut;
}
/** @return true if this filter should be plugged into the toolbar,
false otherwise.
@see setConfigureToolbar
*/
bool configureToolbar() const { return bConfigureToolbar; }
/** Set the shortcut to be used if plugged into the filter menu
or toolbar. Default is no shortcut.
@see setConfigureShortcut setConfigureToolbar
*/
void setShortcut( const KShortcut & shortcut ) { mShortcut = shortcut; };
/** @return The shortcut assigned to the filter.
@see setShortcut
*/
const KShortcut & shortcut() const { return mShortcut; }
/** Set the icon to be used if plugged into the filter menu
or toolbar. Default is the gear icon.
@see setConfigureShortcut setConfigureToolbar
*/
void setIcon( TQString icon ) { mIcon = icon; }
/** @return The name of the icon to be used.
@see setIcon
*/
TQString icon() const { return mIcon; }
/**
* Called from the filter manager when a folder is moved.
* Tests if the folder aFolder is used in any action. Changes it
* to aNewFolder folder in this case.
* @return true if a change in some action occurred,
* false if no action was affected.
*/
bool folderRemoved( KMFolder* aFolder, KMFolder* aNewFolder );
/** Returns the filter in a human-readable form. useful for
debugging but not much else. Don't use, as it may well go away
in the future... */
#ifndef NDEBUG
const TQString asString() const;
#endif
/** No descriptions */
bool isPopFilter() const {
return bPopFilter;
}
/** Set the mode for using automatic naming for the filter.
If the feature is enabled, the name is derived from the
first filter rule.
*/
void setAutoNaming( bool useAutomaticNames ) {
bAutoNaming = useAutomaticNames;
}
/** @return Tells, if an automatic name is used for the filter
*/
bool isAutoNaming() const { return bAutoNaming; }
private:
KMSearchPattern mPattern;
TQPtrList<KMFilterAction> mActions;
TQValueList<int> mAccounts;
KMPopFilterAction mAction;
TQString mIcon;
KShortcut mShortcut;
bool bPopFilter : 1;
bool bApplyOnInbound : 1;
bool bApplyOnOutbound : 1;
bool bApplyOnExplicit : 1;
bool bStopProcessingHere : 1;
bool bConfigureShortcut : 1;
bool bConfigureToolbar : 1;
bool bAutoNaming : 1;
AccountType mApplicability;
};
#endif /*kmfilter_h*/
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