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Merge "Fix WindowContext is removed unexpectedly" into sc-dev

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This commit is contained in:
Charles Chen
2021-04-20 10:08:34 +00:00
committed by Android (Google) Code Review
parent 9349ad48ce d9ea032b73
commit 7649e3262c
2 changed files with 38 additions and 0 deletions
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15
services/core/java/com/android/server/wm/WindowContextListenerController.java
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@@ -271,6 +271,21 @@ class WindowContextListenerController {
if (mDeathRecipient == null) {
throw new IllegalStateException("Invalid client token: " + mClientToken);
}
final WindowToken windowToken = mContainer.asWindowToken();
if (windowToken != null && windowToken.isFromClient()) {
// If the WindowContext created WindowToken is removed by
// WMS#postWindowRemoveCleanupLocked, the WindowContext should switch back to
// listen to previous associated DisplayArea.
final DisplayContent dc = windowToken.mWmService.mRoot
.getDisplayContent(mLastReportedDisplay);
// If we cannot obtain the DisplayContent, the DisplayContent may also be removed.
// We should proceed the removal process.
if (dc != null) {
final DisplayArea da = dc.findAreaForToken(windowToken);
updateContainer(da);
return;
}
}
mDeathRecipient.unlinkToDeath();
IWindowToken windowTokenClient = IWindowToken.Stub.asInterface(mClientToken);
try {

23
services/tests/wmtests/src/com/android/server/wm/WindowContextListenerControllerTests.java
View File

@@ -17,8 +17,11 @@
package com.android.server.wm;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_MAGNIFICATION_OVERLAY;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@@ -162,6 +165,26 @@ public class WindowContextListenerControllerTests extends WindowTestsBase {
false /* callerCanManagerAppTokens */, ANOTHER_UID);
}
@Test
public void testWindowContextCreatedWindowTokenRemoved_SwitchToListenToDA() {
WindowToken windowContextCreatedToken = new WindowToken.Builder(mWm, mClientToken,
TYPE_ACCESSIBILITY_MAGNIFICATION_OVERLAY)
.setDisplayContent(mDefaultDisplay)
.setFromClientToken(true)
.build();
final DisplayArea da = windowContextCreatedToken.getDisplayArea();
mController.registerWindowContainerListener(mClientToken, windowContextCreatedToken,
TEST_UID, TYPE_ACCESSIBILITY_MAGNIFICATION_OVERLAY, null /* options */);
assertThat(mController.getContainer(mClientToken)).isEqualTo(windowContextCreatedToken);
// Remove WindowToken
windowContextCreatedToken.removeImmediately();
assertThat(mController.getContainer(mClientToken)).isEqualTo(da);
}
private class TestWindowTokenClient extends IWindowToken.Stub {
private Configuration mConfiguration;
private int mDisplayId;