| /* |
| * Copyright (C) 2016 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.systemui.shortcut; |
| |
| import static android.app.ActivityTaskManager.SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT; |
| import static android.app.ActivityTaskManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.view.IWindowManager; |
| import android.view.KeyEvent; |
| import android.view.WindowManager; |
| import android.view.WindowManagerGlobal; |
| |
| import com.android.internal.policy.DividerSnapAlgorithm; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.recents.Recents; |
| import com.android.systemui.stackdivider.Divider; |
| import com.android.systemui.stackdivider.DividerView; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Dispatches shortcut to System UI components |
| */ |
| @Singleton |
| public class ShortcutKeyDispatcher extends SystemUI |
| implements ShortcutKeyServiceProxy.Callbacks { |
| |
| private static final String TAG = "ShortcutKeyDispatcher"; |
| private final Divider mDivider; |
| |
| private ShortcutKeyServiceProxy mShortcutKeyServiceProxy = new ShortcutKeyServiceProxy(this); |
| private IWindowManager mWindowManagerService = WindowManagerGlobal.getWindowManagerService(); |
| |
| protected final long META_MASK = ((long) KeyEvent.META_META_ON) << Integer.SIZE; |
| protected final long ALT_MASK = ((long) KeyEvent.META_ALT_ON) << Integer.SIZE; |
| protected final long CTRL_MASK = ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE; |
| protected final long SHIFT_MASK = ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE; |
| |
| protected final long SC_DOCK_LEFT = META_MASK | KeyEvent.KEYCODE_LEFT_BRACKET; |
| protected final long SC_DOCK_RIGHT = META_MASK | KeyEvent.KEYCODE_RIGHT_BRACKET; |
| |
| @Inject |
| public ShortcutKeyDispatcher(Context context, Divider divider) { |
| super(context); |
| mDivider = divider; |
| } |
| |
| /** |
| * Registers a shortcut key to window manager. |
| * @param shortcutCode packed representation of shortcut key code and meta information |
| */ |
| public void registerShortcutKey(long shortcutCode) { |
| try { |
| mWindowManagerService.registerShortcutKey(shortcutCode, mShortcutKeyServiceProxy); |
| } catch (RemoteException e) { |
| // Do nothing |
| } |
| } |
| |
| @Override |
| public void onShortcutKeyPressed(long shortcutCode) { |
| int orientation = mContext.getResources().getConfiguration().orientation; |
| if ((shortcutCode == SC_DOCK_LEFT || shortcutCode == SC_DOCK_RIGHT) |
| && orientation == Configuration.ORIENTATION_LANDSCAPE) { |
| handleDockKey(shortcutCode); |
| } |
| } |
| |
| @Override |
| public void start() { |
| registerShortcutKey(SC_DOCK_LEFT); |
| registerShortcutKey(SC_DOCK_RIGHT); |
| } |
| |
| private void handleDockKey(long shortcutCode) { |
| try { |
| int dockSide = mWindowManagerService.getDockedStackSide(); |
| if (dockSide == WindowManager.DOCKED_INVALID) { |
| // Split the screen |
| Recents recents = getComponent(Recents.class); |
| recents.splitPrimaryTask((shortcutCode == SC_DOCK_LEFT) |
| ? SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT |
| : SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT, null, -1); |
| } else { |
| // If there is already a docked window, we respond by resizing the docking pane. |
| DividerView dividerView = mDivider.getView(); |
| DividerSnapAlgorithm snapAlgorithm = dividerView.getSnapAlgorithm(); |
| int dividerPosition = dividerView.getCurrentPosition(); |
| DividerSnapAlgorithm.SnapTarget currentTarget = |
| snapAlgorithm.calculateNonDismissingSnapTarget(dividerPosition); |
| DividerSnapAlgorithm.SnapTarget target = (shortcutCode == SC_DOCK_LEFT) |
| ? snapAlgorithm.getPreviousTarget(currentTarget) |
| : snapAlgorithm.getNextTarget(currentTarget); |
| dividerView.startDragging(true /* animate */, false /* touching */); |
| dividerView.stopDragging(target.position, 0f, false /* avoidDismissStart */, |
| true /* logMetrics */); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "handleDockKey() failed."); |
| } |
| } |
| } |