diff --git a/libs/WindowManager/Shell/res/drawable/desktop_windowing_transition_background.xml b/libs/WindowManager/Shell/res/drawable/desktop_windowing_transition_background.xml
new file mode 100644
index 0000000000000..022594982ca33
--- /dev/null
+++ b/libs/WindowManager/Shell/res/drawable/desktop_windowing_transition_background.xml
@@ -0,0 +1,22 @@
+
+
+
+
+
+
+
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
index cc0da2840fa03..eb7c32fe8227c 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellModule.java
@@ -671,13 +671,17 @@ public abstract class WMShellModule {
Context context,
ShellInit shellInit,
ShellController shellController,
+ DisplayController displayController,
ShellTaskOrganizer shellTaskOrganizer,
+ SyncTransactionQueue syncQueue,
+ RootTaskDisplayAreaOrganizer rootTaskDisplayAreaOrganizer,
Transitions transitions,
@DynamicOverride DesktopModeTaskRepository desktopModeTaskRepository,
@ShellMainThread ShellExecutor mainExecutor
) {
- return new DesktopTasksController(context, shellInit, shellController, shellTaskOrganizer,
- transitions, desktopModeTaskRepository, mainExecutor);
+ return new DesktopTasksController(context, shellInit, shellController, displayController,
+ shellTaskOrganizer, syncQueue, rootTaskDisplayAreaOrganizer, transitions,
+ desktopModeTaskRepository, mainExecutor);
}
@WMSingleton
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeVisualIndicator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeVisualIndicator.java
new file mode 100644
index 0000000000000..015d5c1705e7f
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeVisualIndicator.java
@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.wm.shell.desktopmode;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.RectEvaluator;
+import android.animation.ValueAnimator;
+import android.app.ActivityManager;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.util.DisplayMetrics;
+import android.view.SurfaceControl;
+import android.view.SurfaceControlViewHost;
+import android.view.View;
+import android.view.WindowManager;
+import android.view.WindowlessWindowManager;
+import android.view.animation.DecelerateInterpolator;
+import android.widget.ImageView;
+
+import com.android.wm.shell.R;
+import com.android.wm.shell.RootTaskDisplayAreaOrganizer;
+import com.android.wm.shell.ShellTaskOrganizer;
+import com.android.wm.shell.common.DisplayController;
+import com.android.wm.shell.common.SyncTransactionQueue;
+
+/**
+ * Animated visual indicator for Desktop Mode windowing transitions.
+ */
+public class DesktopModeVisualIndicator {
+
+ private final Context mContext;
+ private final DisplayController mDisplayController;
+ private final ShellTaskOrganizer mTaskOrganizer;
+ private final RootTaskDisplayAreaOrganizer mRootTdaOrganizer;
+ private final ActivityManager.RunningTaskInfo mTaskInfo;
+ private final SurfaceControl mTaskSurface;
+ private SurfaceControl mLeash;
+
+ private final SyncTransactionQueue mSyncQueue;
+ private SurfaceControlViewHost mViewHost;
+
+ public DesktopModeVisualIndicator(SyncTransactionQueue syncQueue,
+ ActivityManager.RunningTaskInfo taskInfo, DisplayController displayController,
+ Context context, SurfaceControl taskSurface, ShellTaskOrganizer taskOrganizer,
+ RootTaskDisplayAreaOrganizer taskDisplayAreaOrganizer) {
+ mSyncQueue = syncQueue;
+ mTaskInfo = taskInfo;
+ mDisplayController = displayController;
+ mContext = context;
+ mTaskSurface = taskSurface;
+ mTaskOrganizer = taskOrganizer;
+ mRootTdaOrganizer = taskDisplayAreaOrganizer;
+ }
+
+ /**
+ * Create and animate the indicator for the exit desktop mode transition.
+ */
+ public void createFullscreenIndicator() {
+ final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+ final Resources resources = mContext.getResources();
+ final DisplayMetrics metrics = resources.getDisplayMetrics();
+ final int screenWidth = metrics.widthPixels;
+ final int screenHeight = metrics.heightPixels;
+ final int padding = mDisplayController
+ .getDisplayLayout(mTaskInfo.displayId).stableInsets().top;
+ final ImageView v = new ImageView(mContext);
+ v.setImageResource(R.drawable.desktop_windowing_transition_background);
+ final SurfaceControl.Builder builder = new SurfaceControl.Builder();
+ mRootTdaOrganizer.attachToDisplayArea(mTaskInfo.displayId, builder);
+ mLeash = builder
+ .setName("Fullscreen Indicator")
+ .setContainerLayer()
+ .build();
+ t.show(mLeash);
+ final WindowManager.LayoutParams lp =
+ new WindowManager.LayoutParams(screenWidth, screenHeight,
+ WindowManager.LayoutParams.TYPE_APPLICATION,
+ WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSPARENT);
+ lp.setTitle("Fullscreen indicator for Task=" + mTaskInfo.taskId);
+ lp.setTrustedOverlay();
+ final WindowlessWindowManager windowManager = new WindowlessWindowManager(
+ mTaskInfo.configuration, mLeash,
+ null /* hostInputToken */);
+ mViewHost = new SurfaceControlViewHost(mContext,
+ mDisplayController.getDisplay(mTaskInfo.displayId), windowManager,
+ "FullscreenVisualIndicator");
+ mViewHost.setView(v, lp);
+ // We want this indicator to be behind the dragged task, but in front of all others.
+ t.setRelativeLayer(mLeash, mTaskSurface, -1);
+
+ mSyncQueue.runInSync(transaction -> {
+ transaction.merge(t);
+ t.close();
+ });
+ final Rect startBounds = new Rect(padding, padding,
+ screenWidth - padding, screenHeight - padding);
+ final VisualIndicatorAnimator animator = VisualIndicatorAnimator.fullscreenIndicator(v,
+ startBounds);
+ animator.start();
+ }
+
+ /**
+ * Release the indicator and its components when it is no longer needed.
+ */
+ public void releaseFullscreenIndicator() {
+ if (mViewHost == null) return;
+ if (mViewHost != null) {
+ mViewHost.release();
+ mViewHost = null;
+ }
+
+ if (mLeash != null) {
+ final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+ t.remove(mLeash);
+ mLeash = null;
+ mSyncQueue.runInSync(transaction -> {
+ transaction.merge(t);
+ t.close();
+ });
+ }
+ }
+ /**
+ * Animator for Desktop Mode transitions which supports bounds and alpha animation.
+ */
+ private static class VisualIndicatorAnimator extends ValueAnimator {
+ private static final int FULLSCREEN_INDICATOR_DURATION = 200;
+ private static final float SCALE_ADJUSTMENT_PERCENT = 0.015f;
+ private static final float INDICATOR_FINAL_OPACITY = 0.7f;
+
+ private final ImageView mView;
+ private final Rect mStartBounds;
+ private final Rect mEndBounds;
+ private final RectEvaluator mRectEvaluator;
+
+ private VisualIndicatorAnimator(ImageView view, Rect startBounds,
+ Rect endBounds) {
+ mView = view;
+ mStartBounds = new Rect(startBounds);
+ mEndBounds = endBounds;
+ setFloatValues(0, 1);
+ mRectEvaluator = new RectEvaluator(new Rect());
+ }
+
+ /**
+ * Create animator for visual indicator of fullscreen transition
+ *
+ * @param view the view for this indicator
+ * @param startBounds the starting bounds of the fullscreen indicator
+ */
+ public static VisualIndicatorAnimator fullscreenIndicator(ImageView view,
+ Rect startBounds) {
+ view.getDrawable().setBounds(startBounds);
+ int width = startBounds.width();
+ int height = startBounds.height();
+ Rect endBounds = new Rect((int) (startBounds.left - (SCALE_ADJUSTMENT_PERCENT * width)),
+ (int) (startBounds.top - (SCALE_ADJUSTMENT_PERCENT * height)),
+ (int) (startBounds.right + (SCALE_ADJUSTMENT_PERCENT * width)),
+ (int) (startBounds.bottom + (SCALE_ADJUSTMENT_PERCENT * height)));
+ VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
+ view, startBounds, endBounds);
+ animator.setInterpolator(new DecelerateInterpolator());
+ setupFullscreenIndicatorAnimation(animator);
+ return animator;
+ }
+
+ /**
+ * Add necessary listener for animation of fullscreen indicator
+ */
+ private static void setupFullscreenIndicatorAnimation(
+ VisualIndicatorAnimator animator) {
+ animator.addUpdateListener(a -> {
+ if (animator.mView != null) {
+ animator.updateBounds(a.getAnimatedFraction(), animator.mView);
+ animator.updateIndicatorAlpha(a.getAnimatedFraction(), animator.mView);
+ } else {
+ animator.cancel();
+ }
+ });
+ animator.addListener(new AnimatorListenerAdapter() {
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ animator.mView.getDrawable().setBounds(animator.mEndBounds);
+ }
+ });
+ animator.setDuration(FULLSCREEN_INDICATOR_DURATION);
+ }
+
+ /**
+ * Update bounds of view based on current animation fraction.
+ * Use of delta is to animate bounds independently, in case we need to
+ * run multiple animations simultaneously.
+ *
+ * @param fraction fraction to use, compared against previous fraction
+ * @param view the view to update
+ */
+ private void updateBounds(float fraction, ImageView view) {
+ Rect currentBounds = mRectEvaluator.evaluate(fraction, mStartBounds, mEndBounds);
+ view.getDrawable().setBounds(currentBounds);
+ }
+
+ /**
+ * Fade in the fullscreen indicator
+ *
+ * @param fraction current animation fraction
+ */
+ private void updateIndicatorAlpha(float fraction, View view) {
+ view.setAlpha(fraction * INDICATOR_FINAL_OPACITY);
+ }
+ }
+}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
index 31c5e33f21e32..5696dfc5069e7 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
@@ -17,6 +17,7 @@
package com.android.wm.shell.desktopmode
import android.app.ActivityManager
+import android.app.ActivityManager.RunningTaskInfo
import android.app.WindowConfiguration.ACTIVITY_TYPE_HOME
import android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD
import android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM
@@ -37,11 +38,14 @@ import android.window.WindowContainerToken
import android.window.WindowContainerTransaction
import androidx.annotation.BinderThread
import com.android.internal.protolog.common.ProtoLog
+import com.android.wm.shell.RootTaskDisplayAreaOrganizer
import com.android.wm.shell.ShellTaskOrganizer
+import com.android.wm.shell.common.DisplayController
import com.android.wm.shell.common.ExecutorUtils
import com.android.wm.shell.common.ExternalInterfaceBinder
import com.android.wm.shell.common.RemoteCallable
import com.android.wm.shell.common.ShellExecutor
+import com.android.wm.shell.common.SyncTransactionQueue
import com.android.wm.shell.common.annotations.ExternalThread
import com.android.wm.shell.common.annotations.ShellMainThread
import com.android.wm.shell.desktopmode.DesktopModeTaskRepository.VisibleTasksListener
@@ -55,16 +59,20 @@ import java.util.function.Consumer
/** Handles moving tasks in and out of desktop */
class DesktopTasksController(
- private val context: Context,
- shellInit: ShellInit,
- private val shellController: ShellController,
- private val shellTaskOrganizer: ShellTaskOrganizer,
- private val transitions: Transitions,
- private val desktopModeTaskRepository: DesktopModeTaskRepository,
- @ShellMainThread private val mainExecutor: ShellExecutor
+ private val context: Context,
+ shellInit: ShellInit,
+ private val shellController: ShellController,
+ private val displayController: DisplayController,
+ private val shellTaskOrganizer: ShellTaskOrganizer,
+ private val syncQueue: SyncTransactionQueue,
+ private val rootTaskDisplayAreaOrganizer: RootTaskDisplayAreaOrganizer,
+ private val transitions: Transitions,
+ private val desktopModeTaskRepository: DesktopModeTaskRepository,
+ @ShellMainThread private val mainExecutor: ShellExecutor
) : RemoteCallable, Transitions.TransitionHandler {
private val desktopMode: DesktopModeImpl
+ private var visualIndicator: DesktopModeVisualIndicator? = null
init {
desktopMode = DesktopModeImpl()
@@ -297,6 +305,52 @@ class DesktopTasksController(
return desktopMode
}
+ /**
+ * Perform checks required on drag move. Create/release fullscreen indicator as needed.
+ *
+ * @param taskInfo the task being dragged.
+ * @param taskSurface SurfaceControl of dragged task.
+ * @param y coordinate of dragged task. Used for checks against status bar height.
+ */
+ fun onDragPositioningMove(
+ taskInfo: RunningTaskInfo,
+ taskSurface: SurfaceControl,
+ y: Float
+ ) {
+ val statusBarHeight = displayController
+ .getDisplayLayout(taskInfo.displayId)?.stableInsets()?.top ?: 0
+ if (taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
+ if (y <= statusBarHeight && visualIndicator == null) {
+ visualIndicator = DesktopModeVisualIndicator(syncQueue, taskInfo,
+ displayController, context, taskSurface, shellTaskOrganizer,
+ rootTaskDisplayAreaOrganizer)
+ visualIndicator?.createFullscreenIndicator()
+ } else if (y > statusBarHeight && visualIndicator != null) {
+ visualIndicator?.releaseFullscreenIndicator()
+ visualIndicator = null
+ }
+ }
+ }
+
+ /**
+ * Perform checks required on drag end. Move to fullscreen if drag ends in status bar area.
+ *
+ * @param taskInfo the task being dragged.
+ * @param y height of drag, to be checked against status bar height.
+ */
+ fun onDragPositioningEnd(
+ taskInfo: RunningTaskInfo,
+ y: Float
+ ) {
+ val statusBarHeight = displayController
+ .getDisplayLayout(taskInfo.displayId)?.stableInsets()?.top ?: 0
+ if (y <= statusBarHeight && taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
+ moveToFullscreen(taskInfo.taskId)
+ visualIndicator?.releaseFullscreenIndicator()
+ visualIndicator = null
+ }
+ }
+
/**
* Adds a listener to find out about changes in the visibility of freeform tasks.
*
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java
index d2a80471a46f9..317b9a322fbc0 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java
@@ -300,7 +300,11 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
return false;
}
case MotionEvent.ACTION_MOVE: {
+ final DesktopModeWindowDecoration decoration =
+ mWindowDecorByTaskId.get(mTaskId);
final int dragPointerIdx = e.findPointerIndex(mDragPointerId);
+ mDesktopTasksController.ifPresent(c -> c.onDragPositioningMove(taskInfo,
+ decoration.mTaskSurface, e.getRawY(dragPointerIdx)));
mDragPositioningCallback.onDragPositioningMove(
e.getRawX(dragPointerIdx), e.getRawY(dragPointerIdx));
mIsDragging = true;
@@ -309,18 +313,10 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL: {
final int dragPointerIdx = e.findPointerIndex(mDragPointerId);
- final int statusBarHeight = mDisplayController
- .getDisplayLayout(taskInfo.displayId).stableInsets().top;
mDragPositioningCallback.onDragPositioningEnd(
e.getRawX(dragPointerIdx), e.getRawY(dragPointerIdx));
- if (e.getRawY(dragPointerIdx) <= statusBarHeight) {
- if (DesktopModeStatus.isProto2Enabled()
- && taskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM) {
- // Switch a single task to fullscreen
- mDesktopTasksController.ifPresent(
- c -> c.moveToFullscreen(taskInfo));
- }
- }
+ mDesktopTasksController.ifPresent(c -> c.onDragPositioningEnd(taskInfo,
+ e.getRawY(dragPointerIdx)));
final boolean wasDragging = mIsDragging;
mIsDragging = false;
return wasDragging;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
index 43605e30b8135..a6a4d1d2cc722 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecoration.java
@@ -297,7 +297,7 @@ public class DesktopModeWindowDecoration extends WindowDecoration {
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
index 95e78a8b7bcc1..5cad50da7e423 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
@@ -37,11 +37,14 @@ import androidx.test.filters.SmallTest
import com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession
import com.android.dx.mockito.inline.extended.ExtendedMockito.never
import com.android.dx.mockito.inline.extended.StaticMockitoSession
+import com.android.wm.shell.RootTaskDisplayAreaOrganizer
import com.android.wm.shell.ShellTaskOrganizer
import com.android.wm.shell.ShellTestCase
import com.android.wm.shell.TestRunningTaskInfoBuilder
import com.android.wm.shell.TestShellExecutor
+import com.android.wm.shell.common.DisplayController
import com.android.wm.shell.common.ShellExecutor
+import com.android.wm.shell.common.SyncTransactionQueue
import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createFreeformTask
import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createFullscreenTask
import com.android.wm.shell.desktopmode.DesktopTestHelpers.Companion.createHomeTask
@@ -73,7 +76,10 @@ class DesktopTasksControllerTest : ShellTestCase() {
@Mock lateinit var testExecutor: ShellExecutor
@Mock lateinit var shellController: ShellController
+ @Mock lateinit var displayController: DisplayController
@Mock lateinit var shellTaskOrganizer: ShellTaskOrganizer
+ @Mock lateinit var syncQueue: SyncTransactionQueue
+ @Mock lateinit var rootTaskDisplayAreaOrganizer: RootTaskDisplayAreaOrganizer
@Mock lateinit var transitions: Transitions
lateinit var mockitoSession: StaticMockitoSession
@@ -105,7 +111,10 @@ class DesktopTasksControllerTest : ShellTestCase() {
context,
shellInit,
shellController,
+ displayController,
shellTaskOrganizer,
+ syncQueue,
+ rootTaskDisplayAreaOrganizer,
transitions,
desktopModeTaskRepository,
TestShellExecutor()