diff -r 000000000000 -r 1918ee327afb src/gui/image/qimagepixmapcleanuphooks.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/image/qimagepixmapcleanuphooks.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qimagepixmapcleanuphooks_p.h" +#include "qpixmapdata_p.h" + + +QT_BEGIN_NAMESPACE + +// Legacy, single instance hooks: ### Qt 5: remove +typedef void (*_qt_pixmap_cleanup_hook)(int); +typedef void (*_qt_pixmap_cleanup_hook_64)(qint64); +typedef void (*_qt_image_cleanup_hook)(int); +Q_GUI_EXPORT _qt_pixmap_cleanup_hook qt_pixmap_cleanup_hook = 0; +Q_GUI_EXPORT _qt_pixmap_cleanup_hook_64 qt_pixmap_cleanup_hook_64 = 0; +Q_GUI_EXPORT _qt_image_cleanup_hook qt_image_cleanup_hook = 0; +Q_GUI_EXPORT _qt_image_cleanup_hook_64 qt_image_cleanup_hook_64 = 0; + + +QImagePixmapCleanupHooks* qt_image_and_pixmap_cleanup_hooks = 0; + + +QImagePixmapCleanupHooks::QImagePixmapCleanupHooks() +{ + qt_image_and_pixmap_cleanup_hooks = this; +} + +QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() +{ + if (!qt_image_and_pixmap_cleanup_hooks) + qt_image_and_pixmap_cleanup_hooks = new QImagePixmapCleanupHooks; + return qt_image_and_pixmap_cleanup_hooks; +} + +void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapModificationHooks.append(hook); +} + +void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapDestructionHooks.append(hook); +} + + +void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) +{ + imageHooks.append(hook); +} + +void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapModificationHooks.removeAll(hook); +} + +void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapDestructionHooks.removeAll(hook); +} + +void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) +{ + imageHooks.removeAll(hook); +} + + +void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm) +{ + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks[i](pm); + + if (qt_pixmap_cleanup_hook_64) + qt_pixmap_cleanup_hook_64(pm->cacheKey()); +} + +void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm) +{ + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks[i](pm); + + if (qt_pixmap_cleanup_hook_64) + qt_pixmap_cleanup_hook_64(pm->cacheKey()); +} + +void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) +{ + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->imageHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->imageHooks[i](key); + + if (qt_image_cleanup_hook_64) + qt_image_cleanup_hook_64(key); +} + +QT_END_NAMESPACE