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authorKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-11-27 09:42:47 (GMT)
committerKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-11-27 09:46:43 (GMT)
commit583b1529894aca5e9ffa353f0547dfb4b8b0ab21 (patch)
treef151b7fd25bc347e344b3c11ce95e3ab5be3a40e
parentaa911fcc8cae12c92941e21a02b7621d4e4bf118 (diff)
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Fixed memory leak in QImagePixmapCleanupHooks.
The QImagePixmapCleanupHooks instance was never deleted. Fixed by making it a Q_GLOBAL_STATIC. Task-number: QTBUG-6116 Reviewed-by: Trond
-rw-r--r--src/gui/image/qimagepixmapcleanuphooks.cpp28
-rw-r--r--src/gui/image/qimagepixmapcleanuphooks_p.h3
2 files changed, 8 insertions, 23 deletions
diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp
index 35322e9..650075b 100644
--- a/src/gui/image/qimagepixmapcleanuphooks.cpp
+++ b/src/gui/image/qimagepixmapcleanuphooks.cpp
@@ -55,20 +55,11 @@ 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;
-}
+Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks)
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;
+ return qt_image_and_pixmap_cleanup_hooks();
}
void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
@@ -105,9 +96,8 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 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);
+ 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());
@@ -115,9 +105,8 @@ void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm)
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);
+ 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());
@@ -125,9 +114,8 @@ void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm)
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);
+ 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);
diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h
index 9e490d7..dfc5f28 100644
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h
@@ -61,13 +61,10 @@ typedef void (*_qt_image_cleanup_hook_64)(qint64);
typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*);
class QImagePixmapCleanupHooks;
-extern QImagePixmapCleanupHooks* qt_image_and_pixmap_cleanup_hooks;
class Q_GUI_EXPORT QImagePixmapCleanupHooks
{
public:
- QImagePixmapCleanupHooks();
-
static QImagePixmapCleanupHooks *instance();
static void enableCleanupHooks(const QImage &image);