alecs/plasma-framework
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make cache strategies configurable

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svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=872726
This commit is contained in:
Aaron J. Seigo 2008-10-17 23:41:34 +00:00
parent f1accd0eba
commit 2f501ace5e
1 changed files with 25 additions and 8 deletions
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33
theme.cpp
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@ -58,14 +58,19 @@ public:
defaultWallpaperSuffix(DEFAULT_WALLPAPER_SUFFIX),
defaultWallpaperWidth(DEFAULT_WALLPAPER_WIDTH),
defaultWallpaperHeight(DEFAULT_WALLPAPER_HEIGHT),
pixmapCache(KGlobal::mainComponent().componentName()),
pixmapCache(0),
locolor(false),
compositingActive(KWindowSystem::compositingActive()),
isDefault(false),
useGlobal(true),
hasWallpapers(false)
{
pixmapCache.setCacheLimit(0);
KConfigGroup cg(KGlobal::config(), "CachePolicies");
bool useCache = cg.readEntry("CacheTheme", true);
if (useCache) {
pixmapCache = new KPixmapCache(KGlobal::mainComponent().componentName());
pixmapCache->setCacheLimit(cg.readEntry("ThemeCacheKb", 80 * 1024));
}
generalFont = QApplication::font();
}
@ -110,7 +115,7 @@ public:
QString defaultWallpaperSuffix;
int defaultWallpaperWidth;
int defaultWallpaperHeight;
KPixmapCache pixmapCache;
KPixmapCache *pixmapCache;
KSharedConfigPtr svgElementsCache;
QHash<QString, QList<QString> > invalidElements;
@ -247,8 +252,8 @@ void Theme::setThemeName(const QString &themeName)
return;
}
if (!d->themeName.isEmpty()) {
d->pixmapCache.discard();
if (!d->themeName.isEmpty() && d->pixmapCache) {
d->pixmapCache->discard();
}
d->themeName = theme;
@ -492,16 +497,22 @@ bool Theme::useGlobalSettings() const
bool Theme::findInCache(const QString &key, QPixmap &pix)
{
return d->pixmapCache.find(key, pix);
return d->pixmapCache && d->pixmapCache->find(key, pix);
}
void Theme::insertIntoCache(const QString& key, const QPixmap& pix)
{
d->pixmapCache.insert(key, pix);
if (d->pixmapCache) {
d->pixmapCache->insert(key, pix);
}
}
bool Theme::findInRectsCache(const QString &image, const QString &element, QRectF &rect) const
{
if (!d->pixmapCache) {
return false;
}
KConfigGroup imageGroup(d->svgElementsCache, image);
rect = imageGroup.readEntry(element+"Size", QRectF());
@ -514,6 +525,10 @@ bool Theme::findInRectsCache(const QString &image, const QString &element, QRect
void Theme::insertIntoRectsCache(const QString& image, const QString &element, const QRectF &rect)
{
if (!d->pixmapCache) {
return;
}
KConfigGroup imageGroup(d->svgElementsCache, image);
if (rect.isValid()) {
imageGroup.writeEntry(element+"Size", rect);
@ -534,7 +549,9 @@ void Theme::invalidateRectsCache(const QString& image)
void Theme::setCacheLimit(int kbytes)
{
d->pixmapCache.setCacheLimit(kbytes);
if (d->pixmapCache) {
d->pixmapCache->setCacheLimit(kbytes);
}
}
}