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Workaround for wallpapers render thread been paused while visible.

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Workaround for some wallpapers cannot trigger the rendering threads of
the remaining engines even if they are visible, so we need to toggle
the state to get their attention.

Bug: 168759123
Test: atest WallpaperManagerTest WallpaperServiceTest
WallpaperServiceTests

Change-Id: I4c047f6e932b280e6408f44e590e39b1a9b62128
This commit is contained in:
wilsonshih
2020-12-21 11:56:01 +08:00
committed by Wei Sheng Shih
parent 2122345cc6
commit ed0a167067
1 changed files with 10 additions and 0 deletions
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10
core/java/android/service/wallpaper/WallpaperService.java
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@@ -1494,6 +1494,16 @@ public abstract class WallpaperService extends Service {
private void doDetachEngine() {
mActiveEngines.remove(mEngine);
mEngine.detach();
// Some wallpapers will not trigger the rendering threads of the remaining engines even
// if they are visible, so we need to toggle the state to get their attention.
if (!mDetached.get()) {
for (Engine eng : mActiveEngines) {
if (eng.mVisible) {
eng.doVisibilityChanged(false);
eng.doVisibilityChanged(true);
}
}
}
}
@Override