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forward port of patch from master to fix crash due to non-existing theme

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This commit is contained in:
Aaron Seigo 2013-08-14 14:07:19 +02:00
parent 6be0228694
commit 55d6c78c9a
1 changed files with 10 additions and 6 deletions
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14
src/plasma/private/theme_p.cpp
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@ -125,18 +125,22 @@ bool ThemePrivate::useCache()
cacheSize = config.themeCacheKb();
}
const bool isRegularTheme = themeName != systemColorsTheme;
QString cacheFile = "plasma_theme_" + themeName;
const QString cacheFile = "plasma_theme_" + themeName;
if (isRegularTheme) {
const QString cacheFileBase = cacheFile + "*.kcache";
const QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, "desktoptheme/" + themeName + "/metadata.desktop");
QString currentCacheFileName;
if (!path.isEmpty()) {
const KPluginInfo pluginInfo(path);
currentCacheFileName = cacheFile + "_v" + pluginInfo.version() + ".kcache";
}
// now we check for, and remove if necessary, old caches
const QString cacheFileBase = cacheFile + "*.kcache";
cacheFile += "_v" + pluginInfo.version();
const QString currentCacheFileName = cacheFile + ".kcache";
foreach (const QString &file, QStandardPaths::locateAll(QStandardPaths::CacheLocation, cacheFileBase)) {
if (!file.endsWith(currentCacheFileName)) {
if (currentCacheFileName.isEmpty() ||
!file.endsWith(currentCacheFileName)) {
QFile::remove(file);
}
}