Merge "[waitForAllWindowsDrawn] Wait for default display transition when... (db377aec) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/WindowManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -7920,7 +7920,7 @@ public class WindowManagerService extends IWindowManager.Stub
		}
		boolean allWindowsDrawn = false;
		synchronized (mGlobalLock) {
		if (displayId == DEFAULT_DISPLAY
		if ((displayId == DEFAULT_DISPLAY \|\| displayId == INVALID_DISPLAY)
		&& mRoot.getDefaultDisplay().mDisplayUpdater.waitForTransition(message)) {
		// Use the ready-to-play of transition as the signal.
		return;

services/tests/wmtests/src/com/android/server/wm/DisplayContentDeferredUpdateTests.java

+45 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.server.wm;

		import static android.view.Display.DEFAULT_DISPLAY;
		import static android.view.Display.INVALID_DISPLAY;
		import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;

		import static com.android.dx.mockito.inline.extended.ExtendedMockito.any;
		@@ -316,6 +317,50 @@ public class DisplayContentDeferredUpdateTests extends WindowTestsBase {
		verify(mScreenUnblocker).sendToTarget();
		}

		@Test
		public void testWaitForAllWindowsDrawnForInvalidDisplay_usesTransitionToUnblock() {
		mSetFlagsRule.enableFlags(Flags.FLAG_WAIT_FOR_TRANSITION_ON_DISPLAY_SWITCH);

		final WindowState defaultDisplayWindow = createWindow(/* parent= */ null,
		TYPE_BASE_APPLICATION, mDisplayContent, "DefaultDisplayWindow");
		makeWindowVisibleAndNotDrawn(defaultDisplayWindow);

		mDisplayContent.mDisplayUpdater.onDisplaySwitching(/* switching= */ true);

		mWmInternal.waitForAllWindowsDrawn(mScreenUnblocker,
		/* timeout= */ Integer.MAX_VALUE, INVALID_DISPLAY);

		// Perform display update
		mUniqueId = "new_default_display_unique_id";
		mDisplayContent.requestDisplayUpdate(mock(Runnable.class));

		when(mDisplayContent.mTransitionController.inTransition()).thenReturn(true);

		// Notify that transition started collecting
		captureStartTransitionCollection().getAllValues().forEach((callback) ->
		callback.onCollectStarted(/* deferred= */ true));

		// Verify that screen is not unblocked yet
		verify(mScreenUnblocker, never()).sendToTarget();

		// Make all display windows drawn
		defaultDisplayWindow.mWinAnimator.mDrawState = HAS_DRAWN;
		mWm.mRoot.performSurfacePlacement();

		// Verify that default display is still not unblocked yet
		// (so it doesn't use old windows drawn path)
		verify(mScreenUnblocker, never()).sendToTarget();

		// Mark start transaction as presented
		when(mDisplayContent.mTransitionController.inTransition()).thenReturn(false);
		captureRequestedTransition().getAllValues().forEach(
		this::makeTransitionTransactionCompleted);

		// Verify that the default screen unblocker is sent only after start transaction
		// of the Shell transition is presented
		verify(mScreenUnblocker).sendToTarget();
		}

		private void prepareSecondaryDisplay() {
		mSecondaryDisplayContent = createNewDisplay();
		when(mSecondaryScreenUnblocker.getTarget()).thenReturn(mWm.mH);