| /* |
| * Copyright (C) 2019 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.pip; |
| |
| import android.app.RemoteAction; |
| import android.content.ComponentName; |
| import android.content.pm.ParceledListSlice; |
| import android.os.RemoteException; |
| import android.view.IPinnedTaskListener; |
| import android.view.WindowManagerGlobal; |
| |
| import androidx.annotation.BinderThread; |
| |
| import com.android.wm.shell.common.ShellExecutor; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * PinnedStackListener that simply forwards all calls to each listener added via |
| * {@link #addListener}. This is necessary since calling |
| * {@link com.android.server.wm.WindowManagerService#registerPinnedTaskListener} replaces any |
| * previously set listener. |
| */ |
| public class PinnedStackListenerForwarder { |
| |
| private final IPinnedTaskListener mListenerImpl = new PinnedTaskListenerImpl(); |
| private final ShellExecutor mMainExecutor; |
| private final ArrayList<PinnedTaskListener> mListeners = new ArrayList<>(); |
| |
| public PinnedStackListenerForwarder(ShellExecutor mainExecutor) { |
| mMainExecutor = mainExecutor; |
| } |
| |
| /** Adds a listener to receive updates from the WindowManagerService. */ |
| public void addListener(PinnedTaskListener listener) { |
| mListeners.add(listener); |
| } |
| |
| /** Removes a listener so it will no longer receive updates from the WindowManagerService. */ |
| public void removeListener(PinnedTaskListener listener) { |
| mListeners.remove(listener); |
| } |
| |
| public void register(int displayId) throws RemoteException { |
| WindowManagerGlobal.getWindowManagerService().registerPinnedTaskListener( |
| displayId, mListenerImpl); |
| } |
| |
| private void onMovementBoundsChanged(boolean fromImeAdjustment) { |
| for (PinnedTaskListener listener : mListeners) { |
| listener.onMovementBoundsChanged(fromImeAdjustment); |
| } |
| } |
| |
| private void onImeVisibilityChanged(boolean imeVisible, int imeHeight) { |
| for (PinnedTaskListener listener : mListeners) { |
| listener.onImeVisibilityChanged(imeVisible, imeHeight); |
| } |
| } |
| |
| private void onActionsChanged(ParceledListSlice<RemoteAction> actions) { |
| for (PinnedTaskListener listener : mListeners) { |
| listener.onActionsChanged(actions); |
| } |
| } |
| |
| private void onActivityHidden(ComponentName componentName) { |
| for (PinnedTaskListener listener : mListeners) { |
| listener.onActivityHidden(componentName); |
| } |
| } |
| |
| private void onAspectRatioChanged(float aspectRatio) { |
| for (PinnedTaskListener listener : mListeners) { |
| listener.onAspectRatioChanged(aspectRatio); |
| } |
| } |
| |
| @BinderThread |
| private class PinnedTaskListenerImpl extends IPinnedTaskListener.Stub { |
| @Override |
| public void onMovementBoundsChanged(boolean fromImeAdjustment) { |
| mMainExecutor.execute(() -> { |
| PinnedStackListenerForwarder.this.onMovementBoundsChanged(fromImeAdjustment); |
| }); |
| } |
| |
| @Override |
| public void onImeVisibilityChanged(boolean imeVisible, int imeHeight) { |
| mMainExecutor.execute(() -> { |
| PinnedStackListenerForwarder.this.onImeVisibilityChanged(imeVisible, imeHeight); |
| }); |
| } |
| |
| @Override |
| public void onActionsChanged(ParceledListSlice<RemoteAction> actions) { |
| mMainExecutor.execute(() -> { |
| PinnedStackListenerForwarder.this.onActionsChanged(actions); |
| }); |
| } |
| |
| @Override |
| public void onActivityHidden(ComponentName componentName) { |
| mMainExecutor.execute(() -> { |
| PinnedStackListenerForwarder.this.onActivityHidden(componentName); |
| }); |
| } |
| |
| @Override |
| public void onAspectRatioChanged(float aspectRatio) { |
| mMainExecutor.execute(() -> { |
| PinnedStackListenerForwarder.this.onAspectRatioChanged(aspectRatio); |
| }); |
| } |
| } |
| |
| /** |
| * A counterpart of {@link IPinnedTaskListener} with empty implementations. |
| * Subclasses can ignore those methods they do not intend to take action upon. |
| */ |
| public static class PinnedTaskListener { |
| public void onMovementBoundsChanged(boolean fromImeAdjustment) {} |
| |
| public void onImeVisibilityChanged(boolean imeVisible, int imeHeight) {} |
| |
| public void onActionsChanged(ParceledListSlice<RemoteAction> actions) {} |
| |
| public void onActivityHidden(ComponentName componentName) {} |
| |
| public void onAspectRatioChanged(float aspectRatio) {} |
| } |
| } |