diff --git a/libs/WindowManager/Shell/res/drawable/caption_decor_title.xml b/libs/WindowManager/Shell/res/drawable/caption_decor_title.xml
new file mode 100644
index 0000000000000..6114ad6e277a6
--- /dev/null
+++ b/libs/WindowManager/Shell/res/drawable/caption_decor_title.xml
@@ -0,0 +1,22 @@
+
+
+
+
+
diff --git a/libs/WindowManager/Shell/res/drawable/decor_minimize_button_dark.xml b/libs/WindowManager/Shell/res/drawable/decor_minimize_button_dark.xml
index b7ff96e64eecd..91edbf1a7bd4d 100644
--- a/libs/WindowManager/Shell/res/drawable/decor_minimize_button_dark.xml
+++ b/libs/WindowManager/Shell/res/drawable/decor_minimize_button_dark.xml
@@ -14,10 +14,10 @@
~ limitations under the License.
-->
diff --git a/libs/WindowManager/Shell/res/layout/caption_window_decor.xml b/libs/WindowManager/Shell/res/layout/caption_window_decor.xml
new file mode 100644
index 0000000000000..f3d219872001a
--- /dev/null
+++ b/libs/WindowManager/Shell/res/layout/caption_window_decor.xml
@@ -0,0 +1,56 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
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 d3b9fa5e628d6..512a4ef386bb7 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
@@ -49,6 +49,7 @@ import com.android.wm.shell.common.TransactionPool;
import com.android.wm.shell.common.annotations.ShellBackgroundThread;
import com.android.wm.shell.common.annotations.ShellMainThread;
import com.android.wm.shell.desktopmode.DesktopModeController;
+import com.android.wm.shell.desktopmode.DesktopModeStatus;
import com.android.wm.shell.desktopmode.DesktopModeTaskRepository;
import com.android.wm.shell.desktopmode.DesktopTasksController;
import com.android.wm.shell.draganddrop.DragAndDropController;
@@ -93,6 +94,7 @@ import com.android.wm.shell.unfold.animation.SplitTaskUnfoldAnimator;
import com.android.wm.shell.unfold.animation.UnfoldTaskAnimator;
import com.android.wm.shell.unfold.qualifier.UnfoldShellTransition;
import com.android.wm.shell.unfold.qualifier.UnfoldTransition;
+import com.android.wm.shell.windowdecor.CaptionWindowDecorViewModel;
import com.android.wm.shell.windowdecor.DesktopModeWindowDecorViewModel;
import com.android.wm.shell.windowdecor.WindowDecorViewModel;
@@ -192,7 +194,8 @@ public abstract class WMShellModule {
SyncTransactionQueue syncQueue,
Optional desktopModeController,
Optional desktopTasksController) {
- return new DesktopModeWindowDecorViewModel(
+ if (DesktopModeStatus.isAnyEnabled()) {
+ return new DesktopModeWindowDecorViewModel(
context,
mainHandler,
mainChoreographer,
@@ -201,6 +204,14 @@ public abstract class WMShellModule {
syncQueue,
desktopModeController,
desktopTasksController);
+ }
+ return new CaptionWindowDecorViewModel(
+ context,
+ mainHandler,
+ mainChoreographer,
+ taskOrganizer,
+ displayController,
+ syncQueue);
}
//
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
new file mode 100644
index 0000000000000..1e72c565157a8
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecorViewModel.java
@@ -0,0 +1,266 @@
+/*
+ * 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.windowdecor;
+
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+
+import android.app.ActivityManager.RunningTaskInfo;
+import android.content.Context;
+import android.os.Handler;
+import android.util.SparseArray;
+import android.view.Choreographer;
+import android.view.MotionEvent;
+import android.view.SurfaceControl;
+import android.view.View;
+import android.window.WindowContainerToken;
+import android.window.WindowContainerTransaction;
+
+import com.android.wm.shell.R;
+import com.android.wm.shell.ShellTaskOrganizer;
+import com.android.wm.shell.common.DisplayController;
+import com.android.wm.shell.common.SyncTransactionQueue;
+import com.android.wm.shell.freeform.FreeformTaskTransitionStarter;
+
+/**
+ * View model for the window decoration with a caption and shadows. Works with
+ * {@link CaptionWindowDecoration}.
+ */
+public class CaptionWindowDecorViewModel implements WindowDecorViewModel {
+ private final ShellTaskOrganizer mTaskOrganizer;
+ private final Context mContext;
+ private final Handler mMainHandler;
+ private final Choreographer mMainChoreographer;
+ private final DisplayController mDisplayController;
+ private final SyncTransactionQueue mSyncQueue;
+ private TaskOperations mTaskOperations;
+
+ private final SparseArray mWindowDecorByTaskId = new SparseArray<>();
+
+ public CaptionWindowDecorViewModel(
+ Context context,
+ Handler mainHandler,
+ Choreographer mainChoreographer,
+ ShellTaskOrganizer taskOrganizer,
+ DisplayController displayController,
+ SyncTransactionQueue syncQueue) {
+ mContext = context;
+ mMainHandler = mainHandler;
+ mMainChoreographer = mainChoreographer;
+ mTaskOrganizer = taskOrganizer;
+ mDisplayController = displayController;
+ mSyncQueue = syncQueue;
+ }
+
+ @Override
+ public void setFreeformTaskTransitionStarter(FreeformTaskTransitionStarter transitionStarter) {
+ mTaskOperations = new TaskOperations(transitionStarter, mContext, mSyncQueue);
+ }
+
+ @Override
+ public boolean onTaskOpening(
+ RunningTaskInfo taskInfo,
+ SurfaceControl taskSurface,
+ SurfaceControl.Transaction startT,
+ SurfaceControl.Transaction finishT) {
+ if (!shouldShowWindowDecor(taskInfo)) return false;
+ createWindowDecoration(taskInfo, taskSurface, startT, finishT);
+ return true;
+ }
+
+ @Override
+ public void onTaskInfoChanged(RunningTaskInfo taskInfo) {
+ final CaptionWindowDecoration decoration = mWindowDecorByTaskId.get(taskInfo.taskId);
+
+ if (decoration == null) return;
+
+ decoration.relayout(taskInfo);
+ setupCaptionColor(taskInfo, decoration);
+ }
+
+ @Override
+ public void onTaskChanging(
+ RunningTaskInfo taskInfo,
+ SurfaceControl taskSurface,
+ SurfaceControl.Transaction startT,
+ SurfaceControl.Transaction finishT) {
+ final CaptionWindowDecoration decoration = mWindowDecorByTaskId.get(taskInfo.taskId);
+
+ if (!shouldShowWindowDecor(taskInfo)) {
+ if (decoration != null) {
+ destroyWindowDecoration(taskInfo);
+ }
+ return;
+ }
+
+ if (decoration == null) {
+ createWindowDecoration(taskInfo, taskSurface, startT, finishT);
+ } else {
+ decoration.relayout(taskInfo, startT, finishT);
+ }
+ }
+
+ @Override
+ public void onTaskClosing(
+ RunningTaskInfo taskInfo,
+ SurfaceControl.Transaction startT,
+ SurfaceControl.Transaction finishT) {
+ final CaptionWindowDecoration decoration = mWindowDecorByTaskId.get(taskInfo.taskId);
+ if (decoration == null) return;
+
+ decoration.relayout(taskInfo, startT, finishT);
+ }
+
+ @Override
+ public void destroyWindowDecoration(RunningTaskInfo taskInfo) {
+ final CaptionWindowDecoration decoration =
+ mWindowDecorByTaskId.removeReturnOld(taskInfo.taskId);
+ if (decoration == null) return;
+
+ decoration.close();
+ }
+
+ private void setupCaptionColor(RunningTaskInfo taskInfo, CaptionWindowDecoration decoration) {
+ int statusBarColor = taskInfo.taskDescription.getStatusBarColor();
+ decoration.setCaptionColor(statusBarColor);
+ }
+
+ private boolean shouldShowWindowDecor(RunningTaskInfo taskInfo) {
+ return taskInfo.getWindowingMode() == WINDOWING_MODE_FREEFORM
+ || (taskInfo.getActivityType() == ACTIVITY_TYPE_STANDARD
+ && taskInfo.configuration.windowConfiguration.getDisplayWindowingMode()
+ == WINDOWING_MODE_FREEFORM);
+ }
+
+ private void createWindowDecoration(
+ RunningTaskInfo taskInfo,
+ SurfaceControl taskSurface,
+ SurfaceControl.Transaction startT,
+ SurfaceControl.Transaction finishT) {
+ CaptionWindowDecoration oldDecoration = mWindowDecorByTaskId.get(taskInfo.taskId);
+ if (oldDecoration != null) {
+ // close the old decoration if it exists to avoid two window decorations being added
+ oldDecoration.close();
+ }
+ final CaptionWindowDecoration windowDecoration =
+ new CaptionWindowDecoration(
+ mContext,
+ mDisplayController,
+ mTaskOrganizer,
+ taskInfo,
+ taskSurface,
+ mMainHandler,
+ mMainChoreographer,
+ mSyncQueue);
+ mWindowDecorByTaskId.put(taskInfo.taskId, windowDecoration);
+
+ TaskPositioner taskPositioner =
+ new TaskPositioner(mTaskOrganizer, windowDecoration);
+ CaptionTouchEventListener touchEventListener =
+ new CaptionTouchEventListener(taskInfo, taskPositioner);
+ windowDecoration.setCaptionListeners(touchEventListener, touchEventListener);
+ windowDecoration.setDragResizeCallback(taskPositioner);
+ windowDecoration.relayout(taskInfo, startT, finishT);
+ setupCaptionColor(taskInfo, windowDecoration);
+ }
+
+ private class CaptionTouchEventListener implements
+ View.OnClickListener, View.OnTouchListener {
+
+ private final int mTaskId;
+ private final WindowContainerToken mTaskToken;
+ private final DragResizeCallback mDragResizeCallback;
+
+ private int mDragPointerId = -1;
+
+ private CaptionTouchEventListener(
+ RunningTaskInfo taskInfo,
+ DragResizeCallback dragResizeCallback) {
+ mTaskId = taskInfo.taskId;
+ mTaskToken = taskInfo.token;
+ mDragResizeCallback = dragResizeCallback;
+ }
+
+ @Override
+ public void onClick(View v) {
+ final int id = v.getId();
+ if (id == R.id.close_window) {
+ mTaskOperations.closeTask(mTaskToken);
+ } else if (id == R.id.back_button) {
+ mTaskOperations.injectBackKey();
+ } else if (id == R.id.minimize_window) {
+ mTaskOperations.minimizeTask(mTaskToken);
+ } else if (id == R.id.maximize_window) {
+ RunningTaskInfo taskInfo = mTaskOrganizer.getRunningTaskInfo(mTaskId);
+ mTaskOperations.maximizeTask(taskInfo);
+ }
+ }
+
+ @Override
+ public boolean onTouch(View v, MotionEvent e) {
+ if (v.getId() != R.id.caption) {
+ return false;
+ }
+ handleEventForMove(e);
+
+ if (e.getAction() != MotionEvent.ACTION_DOWN) {
+ return false;
+ }
+ RunningTaskInfo taskInfo = mTaskOrganizer.getRunningTaskInfo(mTaskId);
+ if (taskInfo.isFocused) {
+ return false;
+ }
+ WindowContainerTransaction wct = new WindowContainerTransaction();
+ wct.reorder(mTaskToken, true /* onTop */);
+ mSyncQueue.queue(wct);
+ return true;
+ }
+
+ /**
+ * @param e {@link MotionEvent} to process
+ * @return {@code true} if a drag is happening; or {@code false} if it is not
+ */
+ private void handleEventForMove(MotionEvent e) {
+ RunningTaskInfo taskInfo = mTaskOrganizer.getRunningTaskInfo(mTaskId);
+ if (taskInfo.getWindowingMode() == WINDOWING_MODE_FULLSCREEN) {
+ return;
+ }
+ switch (e.getActionMasked()) {
+ case MotionEvent.ACTION_DOWN: {
+ mDragPointerId = e.getPointerId(0);
+ mDragResizeCallback.onDragResizeStart(
+ 0 /* ctrlType */, e.getRawX(0), e.getRawY(0));
+ break;
+ }
+ case MotionEvent.ACTION_MOVE: {
+ int dragPointerIdx = e.findPointerIndex(mDragPointerId);
+ mDragResizeCallback.onDragResizeMove(
+ e.getRawX(dragPointerIdx), e.getRawY(dragPointerIdx));
+ break;
+ }
+ case MotionEvent.ACTION_UP:
+ case MotionEvent.ACTION_CANCEL: {
+ int dragPointerIdx = e.findPointerIndex(mDragPointerId);
+ mDragResizeCallback.onDragResizeEnd(
+ e.getRawX(dragPointerIdx), e.getRawY(dragPointerIdx));
+ break;
+ }
+ }
+ }
+ }
+}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java
new file mode 100644
index 0000000000000..8609c6b0302ab
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/CaptionWindowDecoration.java
@@ -0,0 +1,228 @@
+/*
+ * 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.windowdecor;
+
+import android.app.ActivityManager.RunningTaskInfo;
+import android.app.WindowConfiguration;
+import android.content.Context;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
+import android.graphics.drawable.GradientDrawable;
+import android.graphics.drawable.VectorDrawable;
+import android.os.Handler;
+import android.view.Choreographer;
+import android.view.SurfaceControl;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.window.WindowContainerTransaction;
+
+import com.android.wm.shell.R;
+import com.android.wm.shell.ShellTaskOrganizer;
+import com.android.wm.shell.common.DisplayController;
+import com.android.wm.shell.common.SyncTransactionQueue;
+
+/**
+ * Defines visuals and behaviors of a window decoration of a caption bar and shadows. It works with
+ * {@link CaptionWindowDecorViewModel}. The caption bar contains a back button, minimize button,
+ * maximize button and close button.
+ */
+public class CaptionWindowDecoration extends WindowDecoration {
+ private final Handler mHandler;
+ private final Choreographer mChoreographer;
+ private final SyncTransactionQueue mSyncQueue;
+
+ private View.OnClickListener mOnCaptionButtonClickListener;
+ private View.OnTouchListener mOnCaptionTouchListener;
+ private DragResizeCallback mDragResizeCallback;
+
+ private DragResizeInputListener mDragResizeListener;
+
+ private RelayoutParams mRelayoutParams = new RelayoutParams();
+ private final RelayoutResult mResult =
+ new RelayoutResult<>();
+
+ private DragDetector mDragDetector;
+
+ CaptionWindowDecoration(
+ Context context,
+ DisplayController displayController,
+ ShellTaskOrganizer taskOrganizer,
+ RunningTaskInfo taskInfo,
+ SurfaceControl taskSurface,
+ Handler handler,
+ Choreographer choreographer,
+ SyncTransactionQueue syncQueue) {
+ super(context, displayController, taskOrganizer, taskInfo, taskSurface);
+
+ mHandler = handler;
+ mChoreographer = choreographer;
+ mSyncQueue = syncQueue;
+ mDragDetector = new DragDetector(ViewConfiguration.get(context).getScaledTouchSlop());
+ }
+
+ void setCaptionListeners(
+ View.OnClickListener onCaptionButtonClickListener,
+ View.OnTouchListener onCaptionTouchListener) {
+ mOnCaptionButtonClickListener = onCaptionButtonClickListener;
+ mOnCaptionTouchListener = onCaptionTouchListener;
+ }
+
+ void setDragResizeCallback(DragResizeCallback dragResizeCallback) {
+ mDragResizeCallback = dragResizeCallback;
+ }
+
+ @Override
+ void relayout(RunningTaskInfo taskInfo) {
+ final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+ relayout(taskInfo, t, t);
+ mSyncQueue.runInSync(transaction -> {
+ transaction.merge(t);
+ t.close();
+ });
+ }
+
+ void relayout(RunningTaskInfo taskInfo,
+ SurfaceControl.Transaction startT, SurfaceControl.Transaction finishT) {
+ final int shadowRadiusID = taskInfo.isFocused
+ ? R.dimen.freeform_decor_shadow_focused_thickness
+ : R.dimen.freeform_decor_shadow_unfocused_thickness;
+ final boolean isFreeform =
+ taskInfo.getWindowingMode() == WindowConfiguration.WINDOWING_MODE_FREEFORM;
+ final boolean isDragResizeable = isFreeform && taskInfo.isResizeable;
+
+ WindowDecorLinearLayout oldRootView = mResult.mRootView;
+ final SurfaceControl oldDecorationSurface = mDecorationContainerSurface;
+ final WindowContainerTransaction wct = new WindowContainerTransaction();
+
+ int outsetLeftId = R.dimen.freeform_resize_handle;
+ int outsetTopId = R.dimen.freeform_resize_handle;
+ int outsetRightId = R.dimen.freeform_resize_handle;
+ int outsetBottomId = R.dimen.freeform_resize_handle;
+
+ mRelayoutParams.reset();
+ mRelayoutParams.mRunningTaskInfo = taskInfo;
+ mRelayoutParams.mLayoutResId = R.layout.caption_window_decor;
+ mRelayoutParams.mCaptionHeightId = R.dimen.freeform_decor_caption_height;
+ mRelayoutParams.mShadowRadiusId = shadowRadiusID;
+ if (isDragResizeable) {
+ mRelayoutParams.setOutsets(outsetLeftId, outsetTopId, outsetRightId, outsetBottomId);
+ }
+
+ relayout(mRelayoutParams, startT, finishT, wct, oldRootView, mResult);
+ taskInfo = null; // Clear it just in case we use it accidentally
+
+ mTaskOrganizer.applyTransaction(wct);
+
+ if (mResult.mRootView == null) {
+ // This means something blocks the window decor from showing, e.g. the task is hidden.
+ // Nothing is set up in this case including the decoration surface.
+ return;
+ }
+ if (oldRootView != mResult.mRootView) {
+ setupRootView();
+ }
+
+ if (!isDragResizeable) {
+ closeDragResizeListener();
+ return;
+ }
+
+ if (oldDecorationSurface != mDecorationContainerSurface || mDragResizeListener == null) {
+ closeDragResizeListener();
+ mDragResizeListener = new DragResizeInputListener(
+ mContext,
+ mHandler,
+ mChoreographer,
+ mDisplay.getDisplayId(),
+ mDecorationContainerSurface,
+ mDragResizeCallback);
+ }
+
+ int touchSlop = ViewConfiguration.get(mResult.mRootView.getContext()).getScaledTouchSlop();
+ mDragDetector.setTouchSlop(touchSlop);
+
+ int resize_handle = mResult.mRootView.getResources()
+ .getDimensionPixelSize(R.dimen.freeform_resize_handle);
+ int resize_corner = mResult.mRootView.getResources()
+ .getDimensionPixelSize(R.dimen.freeform_resize_corner);
+ mDragResizeListener.setGeometry(
+ mResult.mWidth, mResult.mHeight, resize_handle, resize_corner, touchSlop);
+ }
+
+ /**
+ * Sets up listeners when a new root view is created.
+ */
+ private void setupRootView() {
+ View caption = mResult.mRootView.findViewById(R.id.caption);
+ caption.setOnTouchListener(mOnCaptionTouchListener);
+ View close = caption.findViewById(R.id.close_window);
+ close.setOnClickListener(mOnCaptionButtonClickListener);
+ View back = caption.findViewById(R.id.back_button);
+ back.setOnClickListener(mOnCaptionButtonClickListener);
+ View minimize = caption.findViewById(R.id.minimize_window);
+ minimize.setOnClickListener(mOnCaptionButtonClickListener);
+ View maximize = caption.findViewById(R.id.maximize_window);
+ maximize.setOnClickListener(mOnCaptionButtonClickListener);
+ }
+
+ void setCaptionColor(int captionColor) {
+ if (mResult.mRootView == null) {
+ return;
+ }
+
+ View caption = mResult.mRootView.findViewById(R.id.caption);
+ GradientDrawable captionDrawable = (GradientDrawable) caption.getBackground();
+ captionDrawable.setColor(captionColor);
+
+ int buttonTintColorRes =
+ Color.valueOf(captionColor).luminance() < 0.5
+ ? R.color.decor_button_light_color
+ : R.color.decor_button_dark_color;
+ ColorStateList buttonTintColor =
+ caption.getResources().getColorStateList(buttonTintColorRes, null /* theme */);
+
+ View back = caption.findViewById(R.id.back_button);
+ VectorDrawable backBackground = (VectorDrawable) back.getBackground();
+ backBackground.setTintList(buttonTintColor);
+
+ View minimize = caption.findViewById(R.id.minimize_window);
+ VectorDrawable minimizeBackground = (VectorDrawable) minimize.getBackground();
+ minimizeBackground.setTintList(buttonTintColor);
+
+ View maximize = caption.findViewById(R.id.maximize_window);
+ VectorDrawable maximizeBackground = (VectorDrawable) maximize.getBackground();
+ maximizeBackground.setTintList(buttonTintColor);
+
+ View close = caption.findViewById(R.id.close_window);
+ VectorDrawable closeBackground = (VectorDrawable) close.getBackground();
+ closeBackground.setTintList(buttonTintColor);
+ }
+
+ private void closeDragResizeListener() {
+ if (mDragResizeListener == null) {
+ return;
+ }
+ mDragResizeListener.close();
+ mDragResizeListener = null;
+ }
+
+ @Override
+ public void close() {
+ closeDragResizeListener();
+ super.close();
+ }
+}
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 00aab67333692..13b4a956e4e59 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
@@ -27,17 +27,12 @@ import android.content.Context;
import android.hardware.input.InputManager;
import android.os.Handler;
import android.os.Looper;
-import android.os.SystemClock;
-import android.util.Log;
import android.util.SparseArray;
import android.view.Choreographer;
import android.view.InputChannel;
-import android.view.InputDevice;
import android.view.InputEvent;
import android.view.InputEventReceiver;
import android.view.InputMonitor;
-import android.view.KeyCharacterMap;
-import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceControl;
import android.view.View;
@@ -55,7 +50,6 @@ import com.android.wm.shell.desktopmode.DesktopModeController;
import com.android.wm.shell.desktopmode.DesktopModeStatus;
import com.android.wm.shell.desktopmode.DesktopTasksController;
import com.android.wm.shell.freeform.FreeformTaskTransitionStarter;
-import com.android.wm.shell.transition.Transitions;
import java.util.Optional;
@@ -85,6 +79,7 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
new SparseArray<>();
private final DragStartListenerImpl mDragStartListener = new DragStartListenerImpl();
private InputMonitorFactory mInputMonitorFactory;
+ private TaskOperations mTaskOperations;
public DesktopModeWindowDecorViewModel(
Context context,
@@ -136,7 +131,7 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
@Override
public void setFreeformTaskTransitionStarter(FreeformTaskTransitionStarter transitionStarter) {
- mTransitionStarter = transitionStarter;
+ mTaskOperations = new TaskOperations(transitionStarter, mContext, mSyncQueue);
}
@Override
@@ -210,7 +205,7 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
}
}
- private class CaptionTouchEventListener implements
+ private class DesktopModeTouchEventListener implements
View.OnClickListener, View.OnTouchListener {
private final int mTaskId;
@@ -220,7 +215,7 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
private int mDragPointerId = -1;
- private CaptionTouchEventListener(
+ private DesktopModeTouchEventListener(
RunningTaskInfo taskInfo,
DragResizeCallback dragResizeCallback,
DragDetector dragDetector) {
@@ -235,15 +230,9 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
DesktopModeWindowDecoration decoration = mWindowDecorByTaskId.get(mTaskId);
final int id = v.getId();
if (id == R.id.close_window) {
- WindowContainerTransaction wct = new WindowContainerTransaction();
- wct.removeTask(mTaskToken);
- if (Transitions.ENABLE_SHELL_TRANSITIONS) {
- mTransitionStarter.startRemoveTransition(wct);
- } else {
- mSyncQueue.queue(wct);
- }
+ mTaskOperations.closeTask(mTaskToken);
} else if (id == R.id.back_button) {
- injectBackKey();
+ mTaskOperations.injectBackKey();
} else if (id == R.id.caption_handle) {
decoration.createHandleMenu();
} else if (id == R.id.desktop_button) {
@@ -258,25 +247,6 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
}
}
- private void injectBackKey() {
- sendBackEvent(KeyEvent.ACTION_DOWN);
- sendBackEvent(KeyEvent.ACTION_UP);
- }
-
- private void sendBackEvent(int action) {
- final long when = SystemClock.uptimeMillis();
- final KeyEvent ev = new KeyEvent(when, when, action, KeyEvent.KEYCODE_BACK,
- 0 /* repeat */, 0 /* metaState */, KeyCharacterMap.VIRTUAL_KEYBOARD,
- 0 /* scancode */, KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY,
- InputDevice.SOURCE_KEYBOARD);
-
- ev.setDisplayId(mContext.getDisplay().getDisplayId());
- if (!InputManager.getInstance()
- .injectInputEvent(ev, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC)) {
- Log.e(TAG, "Inject input event fail");
- }
- }
-
@Override
public boolean onTouch(View v, MotionEvent e) {
boolean isDrag = false;
@@ -590,8 +560,8 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
TaskPositioner taskPositioner =
new TaskPositioner(mTaskOrganizer, windowDecoration, mDragStartListener);
- CaptionTouchEventListener touchEventListener =
- new CaptionTouchEventListener(
+ DesktopModeTouchEventListener touchEventListener =
+ new DesktopModeTouchEventListener(
taskInfo, taskPositioner, windowDecoration.getDragDetector());
windowDecoration.setCaptionListeners(touchEventListener, touchEventListener);
windowDecoration.setDragResizeCallback(taskPositioner);
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskOperations.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskOperations.java
new file mode 100644
index 0000000000000..aea3404643040
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskOperations.java
@@ -0,0 +1,112 @@
+/*
+ * 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.windowdecor;
+
+import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
+
+import android.app.ActivityManager.RunningTaskInfo;
+import android.content.Context;
+import android.hardware.input.InputManager;
+import android.os.SystemClock;
+import android.util.Log;
+import android.view.InputDevice;
+import android.view.KeyCharacterMap;
+import android.view.KeyEvent;
+import android.window.WindowContainerToken;
+import android.window.WindowContainerTransaction;
+
+import com.android.wm.shell.common.SyncTransactionQueue;
+import com.android.wm.shell.freeform.FreeformTaskTransitionStarter;
+import com.android.wm.shell.transition.Transitions;
+
+/**
+ * Utility class to handle task operations performed on a window decoration.
+ */
+class TaskOperations {
+ private static final String TAG = "TaskOperations";
+
+ private final FreeformTaskTransitionStarter mTransitionStarter;
+ private final Context mContext;
+ private final SyncTransactionQueue mSyncQueue;
+
+ TaskOperations(FreeformTaskTransitionStarter transitionStarter, Context context,
+ SyncTransactionQueue syncQueue) {
+ mTransitionStarter = transitionStarter;
+ mContext = context;
+ mSyncQueue = syncQueue;
+ }
+
+ void injectBackKey() {
+ sendBackEvent(KeyEvent.ACTION_DOWN);
+ sendBackEvent(KeyEvent.ACTION_UP);
+ }
+
+ private void sendBackEvent(int action) {
+ final long when = SystemClock.uptimeMillis();
+ final KeyEvent ev = new KeyEvent(when, when, action, KeyEvent.KEYCODE_BACK,
+ 0 /* repeat */, 0 /* metaState */, KeyCharacterMap.VIRTUAL_KEYBOARD,
+ 0 /* scancode */, KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY,
+ InputDevice.SOURCE_KEYBOARD);
+
+ ev.setDisplayId(mContext.getDisplay().getDisplayId());
+ if (!InputManager.getInstance()
+ .injectInputEvent(ev, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC)) {
+ Log.e(TAG, "Inject input event fail");
+ }
+ }
+
+ void closeTask(WindowContainerToken taskToken) {
+ WindowContainerTransaction wct = new WindowContainerTransaction();
+ wct.removeTask(taskToken);
+ if (Transitions.ENABLE_SHELL_TRANSITIONS) {
+ mTransitionStarter.startRemoveTransition(wct);
+ } else {
+ mSyncQueue.queue(wct);
+ }
+ }
+
+ void minimizeTask(WindowContainerToken taskToken) {
+ WindowContainerTransaction wct = new WindowContainerTransaction();
+ wct.reorder(taskToken, false);
+ if (Transitions.ENABLE_SHELL_TRANSITIONS) {
+ mTransitionStarter.startMinimizedModeTransition(wct);
+ } else {
+ mSyncQueue.queue(wct);
+ }
+ }
+
+ void maximizeTask(RunningTaskInfo taskInfo) {
+ WindowContainerTransaction wct = new WindowContainerTransaction();
+ int targetWindowingMode = taskInfo.getWindowingMode() != WINDOWING_MODE_FULLSCREEN
+ ? WINDOWING_MODE_FULLSCREEN : WINDOWING_MODE_FREEFORM;
+ int displayWindowingMode =
+ taskInfo.configuration.windowConfiguration.getDisplayWindowingMode();
+ wct.setWindowingMode(taskInfo.token,
+ targetWindowingMode == displayWindowingMode
+ ? WINDOWING_MODE_UNDEFINED : targetWindowingMode);
+ if (targetWindowingMode == WINDOWING_MODE_FULLSCREEN) {
+ wct.setBounds(taskInfo.token, null);
+ }
+ if (Transitions.ENABLE_SHELL_TRANSITIONS) {
+ mTransitionStarter.startWindowingModeTransition(targetWindowingMode, wct);
+ } else {
+ mSyncQueue.queue(wct);
+ }
+ }
+}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskPositioner.java b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskPositioner.java
index a49a300995e6b..20631f85453fa 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskPositioner.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/TaskPositioner.java
@@ -47,6 +47,10 @@ class TaskPositioner implements DragResizeCallback {
private int mCtrlType;
private DragStartListener mDragStartListener;
+ TaskPositioner(ShellTaskOrganizer taskOrganizer, WindowDecoration windowDecoration) {
+ this(taskOrganizer, windowDecoration, dragStartListener -> {});
+ }
+
TaskPositioner(ShellTaskOrganizer taskOrganizer, WindowDecoration windowDecoration,
DragStartListener dragStartListener) {
mTaskOrganizer = taskOrganizer;