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controlcenter: lazyload cleanup confirmed

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ATMDA 2025-11-16 23:33:54 -05:00
parent ff03760675
commit 9bd3d57ff5
1 changed files with 52 additions and 1 deletions
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53
modules/controlcenter/appearance/AppearancePane.qml
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@ -1892,6 +1892,20 @@ RowLayout {
}
}
// Stop lazy loading when loader becomes inactive
onActiveChanged: {
if (!active && wallpaperLoader.item) {
const container = wallpaperLoader.item;
// Access timer through wallpaperGrid
if (container && container.wallpaperGrid) {
if (container.wallpaperGrid.scrollCheckTimer) {
container.wallpaperGrid.scrollCheckTimer.stop();
}
container.wallpaperGrid._expansionInProgress = false;
}
}
}
sourceComponent: Item {
id: wallpaperGridContainer
property alias layoutPreferredHeight: wallpaperGrid.layoutPreferredHeight
@ -1908,6 +1922,16 @@ RowLayout {
return null;
}
// Cleanup when component is destroyed
Component.onDestruction: {
if (wallpaperGrid) {
if (wallpaperGrid.scrollCheckTimer) {
wallpaperGrid.scrollCheckTimer.stop();
}
wallpaperGrid._expansionInProgress = false;
}
}
// Lazy loading model: loads one image at a time, only when touching bottom
// This prevents GridView from creating all delegates at once
QtObject {
@ -2030,6 +2054,19 @@ RowLayout {
target: root.session
function onActiveIndexChanged(): void {
const isActive = root.session.activeIndex === 3;
// Stop lazy loading when switching away from appearance pane
if (!isActive) {
if (scrollCheckTimer) {
scrollCheckTimer.stop();
}
if (wallpaperGrid) {
wallpaperGrid._expansionInProgress = false;
}
return;
}
// Initialize if needed when switching to appearance pane
if (isActive && width > 0 && !lazyModel.sourceList && parent && parent.visible && Wallpapers.list) {
lazyModel.initialize(Wallpapers.list);
wallpaperListModel.clear();
@ -2062,6 +2099,10 @@ RowLayout {
Connections {
target: wallpaperGridContainer.parentFlickable
function onContentYChanged(): void {
// Don't process scroll events if appearance pane is not active
const isActive = root.session.activeIndex === 3;
if (!isActive) return;
if (!lazyModel || !lazyModel.sourceList || lazyModel.loadedCount >= lazyModel.totalCount || wallpaperGrid._expansionInProgress) {
return;
}
@ -2107,9 +2148,19 @@ RowLayout {
Timer {
id: scrollCheckTimer
interval: 100
running: lazyModel && lazyModel.sourceList && lazyModel.loadedCount < lazyModel.totalCount
running: {
const isActive = root.session.activeIndex === 3;
return isActive && lazyModel && lazyModel.sourceList && lazyModel.loadedCount < lazyModel.totalCount;
}
repeat: true
onTriggered: {
// Double-check that appearance pane is still active
const isActive = root.session.activeIndex === 3;
if (!isActive) {
stop();
return;
}
const flickable = wallpaperGridContainer.parentFlickable;
if (!flickable || !lazyModel || !lazyModel.sourceList) return;