alecs/plasma-framework
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improved discardCache function

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- if the theme changed recreate the cache
- if the theme is the same just clear it
- on colorscheme change keep svgElementsCache as element names and sizes are unchanged

svn path=/trunk/KDE/kdelibs/; revision=1173948
This commit is contained in:
Manuel Mommertz 2010-09-10 23:03:24 +00:00
parent a74c0a9706
commit 404c4b310d
1 changed files with 24 additions and 15 deletions
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39
theme.cpp
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@ -125,7 +125,7 @@ public:
QString findInTheme(const QString &image, const QString &theme) const;
void compositingChanged();
void discardCache();
void discardCache(const QString &oldThemeName = QString(), bool keepSvgElementsCache = false);
void scheduledCacheUpdate();
void colorsChanged();
bool useCache();
@ -235,21 +235,32 @@ void ThemePrivate::compositingChanged()
#endif
}
void ThemePrivate::discardCache()
void ThemePrivate::discardCache(const QString &oldThemeName, bool keepSvgElementsCache)
{
KSharedDataCache::deleteCache("plasma_theme_" + themeName);
delete pixmapCache;
pixmapCache = 0;
if (oldThemeName.isEmpty()) {
if (pixmapCache) {
pixmapCache->clear();
}
} else {
delete pixmapCache;
pixmapCache = 0;
KSharedDataCache::deleteCache("plasma_theme_" + oldThemeName);
}
invalidElements.clear();
pixmapsToCache.clear();
saveTimer->stop();
const QString svgElementsFile = KStandardDirs::locateLocal("cache", "plasma-svgelements-" + themeName);
if (!svgElementsFile.isEmpty()) {
QFile f(svgElementsFile);
if (keepSvgElementsCache) {
return;
}
if (svgElementsCache) {
QFile f(svgElementsCache->name());
svgElementsCache = 0;
f.remove();
}
const QString svgElementsFile = KStandardDirs::locateLocal("cache", "plasma-svgelements-" + themeName);
svgElementsCache = KSharedConfig::openConfig(svgElementsFile);
}
@ -268,7 +279,7 @@ void ThemePrivate::scheduledCacheUpdate()
void ThemePrivate::colorsChanged()
{
discardCache();
discardCache(QString(), true);
colorScheme = KColorScheme(QPalette::Active, KColorScheme::Window, colors);
buttonColorScheme = KColorScheme(QPalette::Active, KColorScheme::Button, colors);
viewColorScheme = KColorScheme(QPalette::Active, KColorScheme::View, colors);
@ -488,14 +499,12 @@ void ThemePrivate::setThemeName(const QString &tempThemeName, bool writeSettings
theme = ThemePrivate::defaultTheme;
}
// check again as ThemePrivate::defaultTheme might be empty
if (themeName == theme) {
return;
}
//discard the old theme cache
if (!themeName.isEmpty() && pixmapCache) {
discardCache();
}
const QString oldThemeName = themeName;
themeName = theme;
@ -573,8 +582,8 @@ void ThemePrivate::setThemeName(const QString &tempThemeName, bool writeSettings
QFile f(metadataPath);
QFileInfo info(f);
if (useCache() && info.lastModified().toTime_t() > pixmapCache->lastModifiedTime()) {
discardCache();
if (useCache() && (!oldThemeName.isEmpty() || info.lastModified().toTime_t() > pixmapCache->lastModifiedTime())) {
discardCache(oldThemeName);
} else {
QString svgElementsFile = KStandardDirs::locateLocal("cache", "plasma-svgelements-" + themeName);
svgElementsCache = KSharedConfig::openConfig(svgElementsFile);