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Pause expensive view updates before setting hw/sw layers.

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Prevents widgets from updating mid animation.
Also pauses view updates during app close animation.

Bug: 220939231
Bug: 230617085
Bug: 226171754
Test: manual

Change-Id: I0138d57e6a7b2c22fd9a029e971b3e27c7e9f22e
This commit is contained in:
Jon Miranda
2022-06-02 11:34:15 -07:00
parent c2c1fdad54
commit 46ecc0ca08
4 changed files with 27 additions and 6 deletions
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15
src/com/android/launcher3/Launcher.java
View File

@@ -3229,11 +3229,24 @@ public class Launcher extends StatefulActivity<LauncherState>
public void pauseExpensiveViewUpdates() {
// Pause page indicator animations as they lead to layer trashing.
getWorkspace().getPageIndicator().pauseAnimations();
getWorkspace().mapOverItems((info, view) -> {
if (view instanceof LauncherAppWidgetHostView) {
((LauncherAppWidgetHostView) view).beginDeferringUpdates();
}
return false; // Return false to continue iterating through all the items.
});
}
/** Resumes view updates at the end of the app launch animation. */
public void resumeExpensiveViewUpdates() {
getWorkspace().getPageIndicator().skipAnimationsToEnd();
}
getWorkspace().mapOverItems((info, view) -> {
if (view instanceof LauncherAppWidgetHostView) {
((LauncherAppWidgetHostView) view).endDeferringUpdates();
}
return false; // Return false to continue iterating through all the items.
});
}
}

8
src/com/android/launcher3/Workspace.java
View File

@@ -3265,7 +3265,11 @@ public class Workspace<T extends View & PageIndicator> extends PagedView<T>
}
}
private View mapOverCellLayout(CellLayout layout, ItemOperator op) {
/**
* Perform {param operator} over all the items in a given {param layout}.
* @return The first item that satisfies the operator or null.
*/
public View mapOverCellLayout(CellLayout layout, ItemOperator operator) {
// TODO(b/128460496) Potential race condition where layout is not yet loaded
if (layout == null) {
return null;
@@ -3275,7 +3279,7 @@ public class Workspace<T extends View & PageIndicator> extends PagedView<T>
final int itemCount = container.getChildCount();
for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
View item = container.getChildAt(itemIdx);
if (op.evaluate((ItemInfo) item.getTag(), item)) {
if (operator.evaluate((ItemInfo) item.getTag(), item)) {
return item;
}
}