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-rw-r--r--services/core/java/com/android/server/am/ActivityStack.java26
-rw-r--r--services/core/java/com/android/server/wm/WindowLayersController.java64
2 files changed, 62 insertions, 28 deletions
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 0295f18c2878..76532fddc9d5 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -745,6 +745,13 @@ class ActivityStack<T extends StackWindowController> extends ConfigurationContai
return null;
}
+ final TaskRecord bottomTask() {
+ if (mTaskHistory.isEmpty()) {
+ return null;
+ }
+ return mTaskHistory.get(0);
+ }
+
TaskRecord taskForIdLocked(int id) {
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
final TaskRecord task = mTaskHistory.get(taskNdx);
@@ -1896,7 +1903,14 @@ class ActivityStack<T extends StackWindowController> extends ConfigurationContai
// the recents activity from an app.
behindFullscreenActivity = true;
}
-
+ } else if (mStackId == FULLSCREEN_WORKSPACE_STACK_ID) {
+ if (DEBUG_VISIBILITY) Slog.v(TAG_VISIBILITY, "Skipping after task=" + task
+ + " returning to non-application type=" + task.getTaskToReturnTo());
+ // Once we reach a fullscreen task that should return to another task, then no
+ // other activities behind that one should be visible.
+ if (task.getTaskToReturnTo() != APPLICATION_ACTIVITY_TYPE) {
+ behindFullscreenActivity = true;
+ }
}
}
@@ -3366,6 +3380,16 @@ class ActivityStack<T extends StackWindowController> extends ConfigurationContai
* @param allowFocusSelf Is the focus allowed to remain on the same stack.
*/
private boolean adjustFocusToNextFocusableStackLocked(String reason, boolean allowFocusSelf) {
+ if (isAssistantStack() && bottomTask() != null &&
+ bottomTask().getTaskToReturnTo() == HOME_ACTIVITY_TYPE) {
+ // If the current stack is the assistant stack, then use the return-to type to determine
+ // whether to return to the home screen. This is needed to workaround an issue where
+ // launching a fullscreen task (and subequently returning from that task) will cause
+ // the fullscreen stack to be found as the next focusable stack below, even if the
+ // assistant was launched over home.
+ return mStackSupervisor.moveHomeStackTaskToTop(reason);
+ }
+
final ActivityStack stack = mStackSupervisor.getNextFocusableStackLocked(
allowFocusSelf ? null : this);
final String myReason = reason + " adjustFocusToNextFocusableStack";
diff --git a/services/core/java/com/android/server/wm/WindowLayersController.java b/services/core/java/com/android/server/wm/WindowLayersController.java
index 01a3143a7b22..5dc79f8500c0 100644
--- a/services/core/java/com/android/server/wm/WindowLayersController.java
+++ b/services/core/java/com/android/server/wm/WindowLayersController.java
@@ -17,13 +17,14 @@
package com.android.server.wm;
import android.util.Slog;
-import android.view.Display;
import java.util.ArrayDeque;
import java.util.function.Consumer;
+import static android.app.ActivityManager.StackId;
import static android.app.ActivityManager.StackId.ASSISTANT_STACK_ID;
import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
@@ -56,7 +57,6 @@ class WindowLayersController {
mService = service;
}
- private int mHighestApplicationLayer = 0;
private ArrayDeque<WindowState> mPinnedWindows = new ArrayDeque<>();
private ArrayDeque<WindowState> mDockedWindows = new ArrayDeque<>();
private ArrayDeque<WindowState> mAssistantWindows = new ArrayDeque<>();
@@ -66,6 +66,8 @@ class WindowLayersController {
private int mCurBaseLayer;
private int mCurLayer;
private boolean mAnyLayerChanged;
+ private int mHighestApplicationLayer;
+ private int mHighestDockedAffectedLayer;
private int mHighestLayerInImeTargetBaseLayer;
private WindowState mImeTarget;
private boolean mAboveImeTarget;
@@ -98,6 +100,10 @@ class WindowLayersController {
mHighestLayerInImeTargetBaseLayer = Math.max(mHighestLayerInImeTargetBaseLayer,
w.mWinAnimator.mAnimLayer);
}
+ if (w.getAppToken() != null && StackId.isResizeableByDockedStack(w.getStackId())) {
+ mHighestDockedAffectedLayer = Math.max(mHighestDockedAffectedLayer,
+ w.mWinAnimator.mAnimLayer);
+ }
collectSpecialWindows(w);
@@ -135,7 +141,6 @@ class WindowLayersController {
}
private void reset() {
- mHighestApplicationLayer = 0;
mPinnedWindows.clear();
mInputMethodWindows.clear();
mDockedWindows.clear();
@@ -147,8 +152,10 @@ class WindowLayersController {
mCurLayer = 0;
mAnyLayerChanged = false;
- mImeTarget = mService.mInputMethodTarget;
+ mHighestApplicationLayer = 0;
+ mHighestDockedAffectedLayer = 0;
mHighestLayerInImeTargetBaseLayer = (mImeTarget != null) ? mImeTarget.mBaseLayer : 0;
+ mImeTarget = mService.mInputMethodTarget;
mAboveImeTarget = false;
mAboveImeTargetAppWindows.clear();
}
@@ -179,32 +186,41 @@ class WindowLayersController {
}
}
- final Task task = w.getTask();
- if (task == null) {
- return;
- }
- final TaskStack stack = task.mStack;
- if (stack == null) {
- return;
- }
- if (stack.mStackId == PINNED_STACK_ID) {
+ final int stackId = w.getAppToken() != null ? w.getStackId() : INVALID_STACK_ID;
+ if (stackId == PINNED_STACK_ID) {
mPinnedWindows.add(w);
- } else if (stack.mStackId == DOCKED_STACK_ID) {
+ } else if (stackId == DOCKED_STACK_ID) {
mDockedWindows.add(w);
- } else if (stack.mStackId == ASSISTANT_STACK_ID) {
+ } else if (stackId == ASSISTANT_STACK_ID) {
mAssistantWindows.add(w);
}
}
private void adjustSpecialWindows() {
- int layer = mHighestApplicationLayer + WINDOW_LAYER_MULTIPLIER;
- // For pinned and docked stack window, we want to make them above other windows also when
- // these windows are animating.
- while (!mDockedWindows.isEmpty()) {
- layer = assignAndIncreaseLayerIfNeeded(mDockedWindows.remove(), layer);
+ // The following adjustments are beyond the highest docked-affected layer
+ int layer = mHighestDockedAffectedLayer + WINDOW_LAYER_MULTIPLIER;
+
+ // Adjust the docked stack windows and dock divider above only the windows that are affected
+ // by the docked stack. When this happens, also boost the assistant window layers, otherwise
+ // the docked stack windows & divider would be promoted above the assistant.
+ if (!mDockedWindows.isEmpty() && mHighestDockedAffectedLayer > 0) {
+ while (!mDockedWindows.isEmpty()) {
+ final WindowState window = mDockedWindows.remove();
+ layer = assignAndIncreaseLayerIfNeeded(window, layer);
+ }
+
+ layer = assignAndIncreaseLayerIfNeeded(mDockDivider, layer);
+
+ while (!mAssistantWindows.isEmpty()) {
+ final WindowState window = mAssistantWindows.remove();
+ if (window.mLayer > mHighestDockedAffectedLayer) {
+ layer = assignAndIncreaseLayerIfNeeded(window, layer);
+ }
+ }
}
- layer = assignAndIncreaseLayerIfNeeded(mDockDivider, layer);
+ // The following adjustments are beyond the highest app layer or boosted layer
+ layer = Math.max(layer, mHighestApplicationLayer + WINDOW_LAYER_MULTIPLIER);
// We know that we will be animating a relaunching window in the near future, which will
// receive a z-order increase. We want the replaced window to immediately receive the same
@@ -213,12 +229,6 @@ class WindowLayersController {
layer = assignAndIncreaseLayerIfNeeded(mReplacingWindows.remove(), layer);
}
- // Adjust the assistant stack windows to be above the docked and fullscreen stack windows,
- // but under the pinned stack windows
- while (!mAssistantWindows.isEmpty()) {
- layer = assignAndIncreaseLayerIfNeeded(mAssistantWindows.remove(), layer);
- }
-
while (!mPinnedWindows.isEmpty()) {
layer = assignAndIncreaseLayerIfNeeded(mPinnedWindows.remove(), layer);
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-01 17:35:31 +0000