Add private method for flushing the pixmap cache.

Change-Id: I7330383b89a3a313dd845274d17d38c714db20ce
Reviewed-by: Martin Jones

2 files changed, 16 insertions, 0 deletions

diff --git a/src/declarative/util/qdeclarativepixmapcache.cpp b/src/declarative/util/qdeclarativepixmapcache.cpp
index a29854f..831aa75 100644
--- a/src/declarative/util/qdeclarativepixmapcache.cpp
+++ b/src/declarative/util/qdeclarativepixmapcache.cpp
@@ -584,6 +584,7 @@ public:
 
     void unreferencePixmap(QDeclarativePixmapData *);
     void referencePixmap(QDeclarativePixmapData *);
+    void flushCache();
 
 protected:
     virtual void timerEvent(QTimerEvent *);
@@ -682,6 +683,14 @@ void QDeclarativePixmapStore::timerEvent(QTimerEvent *)
     }
 }
 
+/*
+    Remove all unreferenced pixmaps from the cache.
+*/
+void QDeclarativePixmapStore::flushCache()
+{
+    shrinkCache(m_unreferencedCost);
+}
+
 QDeclarativePixmapReply::QDeclarativePixmapReply(QDeclarativePixmapData *d)
 : data(d), reader(0), requestSize(d->requestSize), loading(false), redirectCount(0)
 {
@@ -1075,6 +1084,11 @@ bool QDeclarativePixmap::connectDownloadProgress(QObject *object, int method)
     return QMetaObject::connect(d->reply, QDeclarativePixmapReply::downloadProgressIndex, object, method);
 }
 
+void QDeclarativePixmap::flushCache()
+{
+    pixmapStore()->flushCache();
+}
+
 QT_END_NAMESPACE
 
 #include <qdeclarativepixmapcache.moc>
diff --git a/src/declarative/util/qdeclarativepixmapcache_p.h b/src/declarative/util/qdeclarativepixmapcache_p.h
index 1cf76dd..48c9f8b 100644
--- a/src/declarative/util/qdeclarativepixmapcache_p.h
+++ b/src/declarative/util/qdeclarativepixmapcache_p.h
@@ -103,6 +103,8 @@ public:
     bool connectDownloadProgress(QObject *, const char *);
     bool connectDownloadProgress(QObject *, int);
 
+    static void flushCache();
+
 private:
     Q_DISABLE_COPY(QDeclarativePixmap)
     QDeclarativePixmapData *d;