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/****************************************************************************
**
** Copyright (C) 2010 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 "private/qpixmapdata_p.h"
#include "private/qimage_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;
Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks)
QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
{
return qt_image_and_pixmap_cleanup_hooks();
}
void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapModificationHooks.append(hook);
}
void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapDestructionHooks.append(hook);
}
void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
{
imageHooks.append(hook);
}
void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapModificationHooks.removeAll(hook);
}
void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapDestructionHooks.removeAll(hook);
}
void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
{
imageHooks.removeAll(hook);
}
void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd)
{
QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
// the global destructor for the pixmap and image hooks might have
// been called already if the app is "leaking" global
// pixmaps/images
if (!h)
return;
for (int i = 0; i < h->pixmapModificationHooks.count(); ++i)
h->pixmapModificationHooks[i](pmd);
if (qt_pixmap_cleanup_hook_64)
qt_pixmap_cleanup_hook_64(pmd->cacheKey());
}
void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd)
{
QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
// the global destructor for the pixmap and image hooks might have
// been called already if the app is "leaking" global
// pixmaps/images
if (!h)
return;
for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i)
h->pixmapDestructionHooks[i](pmd);
if (qt_pixmap_cleanup_hook_64)
qt_pixmap_cleanup_hook_64(pmd->cacheKey());
}
void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
{
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);
}
void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData)
{
pixmapData->is_cached = true;
}
void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap)
{
enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data());
}
void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image)
{
const_cast<QImage &>(image).data_ptr()->is_cached = true;
}
bool QImagePixmapCleanupHooks::isImageCached(const QImage &image)
{
return const_cast<QImage &>(image).data_ptr()->is_cached;
}
bool QImagePixmapCleanupHooks::isPixmapCached(const QPixmap &pixmap)
{
return const_cast<QPixmap&>(pixmap).data_ptr().data()->is_cached;
}
QT_END_NAMESPACE
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