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wallpaper: optimize caching and performance of wallpaper tab

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This commit is contained in:
bbedward
2026-07-06 13:52:31 -04:00
parent cc0bec2682
commit 405ea708b3
6 changed files with 62 additions and 212 deletions
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quickshell/Widgets/CachingImage.qml
+13 -16
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@@ -8,11 +8,14 @@ Item {
property int maxCacheSize: 512
property int status: isAnimated ? animatedImg.status : staticImg.status
property int fillMode: Image.PreserveAspectCrop
// AnimatedImage decodes full-size on the GUI thread and is never cached;
// disable for thumbnail grids
property bool animate: true
property bool _fromCache: false
readonly property bool isRemoteUrl: imagePath.startsWith("http://") || imagePath.startsWith("https://")
readonly property bool isAnimated: {
if (!imagePath)
if (!animate || !imagePath)
return false;
const lower = imagePath.toLowerCase();
return lower.endsWith(".gif") || lower.endsWith(".webp");
@@ -75,7 +78,6 @@ Item {
if (!root._fromCache)
return;
root._fromCache = false;
CacheUtils.forgetCachedFile(root.cacheFileName);
source = root.encodedImagePath;
return;
case Image.Ready:
@@ -83,19 +85,16 @@ Item {
return;
if (!visible || width <= 0 || height <= 0 || !Window.window?.visible)
return;
Paths.mkdir(Paths.imagecache);
const grabPath = root.cachePath;
const grabName = root.cacheFileName;
grabToImage(res => {
if (res.saveToFile(grabPath))
CacheUtils.recordCachedFile(grabName);
res.saveToFile(grabPath);
});
return;
}
}
}
onImagePathChanged: {
function resolveSource() {
if (!imagePath) {
_fromCache = false;
staticImg.source = "";
@@ -113,14 +112,12 @@ Item {
staticImg.source = encodedImagePath;
return;
}
Paths.mkdir(Paths.imagecache);
// Read cache only when present; else load source and cache it on Ready
if (CacheUtils.hasCachedFile(cacheFileName)) {
_fromCache = true;
staticImg.source = cachePath;
} else {
_fromCache = false;
staticImg.source = encodedImagePath;
}
// Cache-first; a miss errors and falls back to encodedImagePath
_fromCache = true;
staticImg.source = cachePath;
}
onImagePathChanged: resolveSource()
// During creation onImagePathChanged fires before sibling properties (maxCacheSize) initialize
onCachePathChanged: resolveSource()
}