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****************************************************************************/

#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