DivestOS/Patches/LineageOS-18.1/android_frameworks_base/394557.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Riddle Hsu <riddlehsu@google.com>
Date: Tue, 6 Feb 2024 17:19:37 +0800
Subject: [PATCH] Hide window immediately if itself doesn't run hide animation
The condition was overextended in commit 9bca6b4 which checks if the
parent container of the window is animating. That causes the window to
wait for animation finish to update visibility, but the animation
finish callback won't happen because itself is not animating. Then the
window that should be hidden remains on screen.
Bug: 302431573
Test: atest WindowStateTests#testIsOnScreen_hiddenByPolicy
(cherry picked from commit 9add9281ffc120c81a7d125892803f1beb5ddcb3)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:10a7f0914c87f4af521b5cbb13e84a83dacebf82)
Merged-In: Iafc2b2c2a24d8fc8d147354ef2f0b4afeeb510c5
Change-Id: Iafc2b2c2a24d8fc8d147354ef2f0b4afeeb510c5
---
.../com/android/server/wm/WindowState.java | 6 ++++--
.../android/server/wm/WindowStateTests.java | 20 +++++++++++++++++++
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 7360e3677def..319b7e88258d 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -3009,8 +3009,10 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
return false;
}
if (doAnimation) {
- mWinAnimator.applyAnimationLocked(TRANSIT_EXIT, false);
- if (!isAnimating(TRANSITION | PARENTS)) {
+ // If a hide animation is applied, then let onAnimationFinished
+ // -> checkPolicyVisibilityChange hide the window. Otherwise make doAnimation false
+ // to commit invisible immediately.
+ if (!mWinAnimator.applyAnimationLocked(TRANSIT_EXIT, false /* isEntrance */)) {
doAnimation = false;
}
}
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
index 360d73b5bd87..0bf95eca08f8 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowStateTests.java
@@ -205,6 +205,26 @@ public class WindowStateTests extends WindowTestsBase {
assertTrue(window.isOnScreen());
window.hideLw(false /* doAnimation */);
assertFalse(window.isOnScreen());
+
+ // Verifies that a window without animation can be hidden even if its parent is animating.
+ window.show(false /* doAnimation */, false /* requestAnim */);
+ assertTrue(window.isVisibleByPolicy());
+ window.getParent().startAnimation(mTransaction, mock(AnimationAdapter.class),
+ false /* hidden */, SurfaceAnimator.ANIMATION_TYPE_WINDOW_ANIMATION);
+ window.mAttrs.windowAnimations = 0;
+ window.hide(true /* doAnimation */, true /* requestAnim */);
+ assertFalse(window.isSelfAnimating(0, SurfaceAnimator.ANIMATION_TYPE_WINDOW_ANIMATION));
+ assertFalse(window.isVisibleByPolicy());
+ assertFalse(window.isOnScreen());
+
+ // Verifies that a window with animation can be hidden after the hide animation is finished.
+ window.show(false /* doAnimation */, false /* requestAnim */);
+ window.mAttrs.windowAnimations = android.R.style.Animation_Dialog;
+ window.hide(true /* doAnimation */, true /* requestAnim */);
+ assertTrue(window.isSelfAnimating(0, SurfaceAnimator.ANIMATION_TYPE_WINDOW_ANIMATION));
+ assertTrue(window.isVisibleByPolicy());
+ window.cancelAnimation();
+ assertFalse(window.isVisibleByPolicy());
}
@Test