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Only register Launcher back-callback when ROLE_HOME is held.

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When using a 3P Launcher, i.e. when the ROLE_HOME is not held by QuickstepLauncher, there should be no back callback registered with SystemUI.

Bug: 374882166
Flag: EXEMPT bugfix
Test: Manual, i.e. verified back-callback registration updates in SystemUI and also verified that back-to-home navigations in Nova Launcher are responsive.
Change-Id: I03187f80a4c3c893a6529f0a22613f6fdfe7b7b3
This commit is contained in:
Johannes Gallmann
2024-11-22 13:45:44 +00:00
parent d091b42778
commit 0610c625e0
4 changed files with 59 additions and 10 deletions
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22
quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
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@@ -19,6 +19,7 @@ package com.android.launcher3;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
import static android.app.role.RoleManager.ROLE_HOME;
import static android.provider.Settings.Secure.LAUNCHER_TASKBAR_EDUCATION_SHOWING;
import static android.view.RemoteAnimationTarget.MODE_CLOSING;
import static android.view.RemoteAnimationTarget.MODE_OPENING;
@@ -74,6 +75,7 @@ import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.app.ActivityOptions;
import android.app.WindowConfiguration;
import android.app.role.RoleManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.res.Resources;
@@ -1194,7 +1196,9 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
.registerRemoteTransition(mLauncherOpenTransition, homeCheck);
if (mBackAnimationController != null) {
mBackAnimationController.registerComponentCallbacks();
mBackAnimationController.registerBackCallbacks(mHandler);
if (isHomeRoleHeld()) {
mBackAnimationController.registerBackCallbacks(mHandler);
}
}
}
@@ -1207,6 +1211,22 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
.unregisterContentObserver(mAnimationRemovalObserver));
}
/**
* Called when the overview-target changes. Updates the back callback registration state.
*/
public void onOverviewTargetChange() {
if (isHomeRoleHeld()) {
mBackAnimationController.registerBackCallbacks(mHandler);
} else {
mBackAnimationController.unregisterBackCallbacks();
}
}
private boolean isHomeRoleHeld() {
RoleManager roleManager = mLauncher.getSystemService(RoleManager.class);
return roleManager == null || roleManager.isRoleHeld(ROLE_HOME);
}
private void unregisterRemoteAnimations() {
if (SEPARATE_RECENTS_ACTIVITY.get()) {
return;