/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.shortcut;
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import static android.app.ActivityTaskManager.SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT;
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import static android.app.ActivityTaskManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT;
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import android.content.res.Configuration;
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import android.os.RemoteException;
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import android.util.Log;
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import android.view.IWindowManager;
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import android.view.KeyEvent;
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import android.view.WindowManager;
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import android.view.WindowManagerGlobal;
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import com.android.internal.policy.DividerSnapAlgorithm;
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import com.android.systemui.SystemUI;
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import com.android.systemui.recents.Recents;
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import com.android.systemui.stackdivider.Divider;
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import com.android.systemui.stackdivider.DividerView;
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/**
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* Dispatches shortcut to System UI components
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*/
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public class ShortcutKeyDispatcher extends SystemUI
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implements ShortcutKeyServiceProxy.Callbacks {
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private static final String TAG = "ShortcutKeyDispatcher";
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private ShortcutKeyServiceProxy mShortcutKeyServiceProxy = new ShortcutKeyServiceProxy(this);
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private IWindowManager mWindowManagerService = WindowManagerGlobal.getWindowManagerService();
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protected final long META_MASK = ((long) KeyEvent.META_META_ON) << Integer.SIZE;
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protected final long ALT_MASK = ((long) KeyEvent.META_ALT_ON) << Integer.SIZE;
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protected final long CTRL_MASK = ((long) KeyEvent.META_CTRL_ON) << Integer.SIZE;
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protected final long SHIFT_MASK = ((long) KeyEvent.META_SHIFT_ON) << Integer.SIZE;
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protected final long SC_DOCK_LEFT = META_MASK | KeyEvent.KEYCODE_LEFT_BRACKET;
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protected final long SC_DOCK_RIGHT = META_MASK | KeyEvent.KEYCODE_RIGHT_BRACKET;
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/**
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* Registers a shortcut key to window manager.
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* @param shortcutCode packed representation of shortcut key code and meta information
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*/
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public void registerShortcutKey(long shortcutCode) {
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try {
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mWindowManagerService.registerShortcutKey(shortcutCode, mShortcutKeyServiceProxy);
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} catch (RemoteException e) {
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// Do nothing
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}
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}
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@Override
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public void onShortcutKeyPressed(long shortcutCode) {
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int orientation = mContext.getResources().getConfiguration().orientation;
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if ((shortcutCode == SC_DOCK_LEFT || shortcutCode == SC_DOCK_RIGHT)
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&& orientation == Configuration.ORIENTATION_LANDSCAPE) {
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handleDockKey(shortcutCode);
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}
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}
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@Override
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public void start() {
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registerShortcutKey(SC_DOCK_LEFT);
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registerShortcutKey(SC_DOCK_RIGHT);
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}
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private void handleDockKey(long shortcutCode) {
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try {
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int dockSide = mWindowManagerService.getDockedStackSide();
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if (dockSide == WindowManager.DOCKED_INVALID) {
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// Split the screen
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Recents recents = getComponent(Recents.class);
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recents.splitPrimaryTask((shortcutCode == SC_DOCK_LEFT)
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? SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT
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: SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT, null, -1);
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} else {
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// If there is already a docked window, we respond by resizing the docking pane.
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DividerView dividerView = getComponent(Divider.class).getView();
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DividerSnapAlgorithm snapAlgorithm = dividerView.getSnapAlgorithm();
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int dividerPosition = dividerView.getCurrentPosition();
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DividerSnapAlgorithm.SnapTarget currentTarget =
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snapAlgorithm.calculateNonDismissingSnapTarget(dividerPosition);
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DividerSnapAlgorithm.SnapTarget target = (shortcutCode == SC_DOCK_LEFT)
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? snapAlgorithm.getPreviousTarget(currentTarget)
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: snapAlgorithm.getNextTarget(currentTarget);
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dividerView.startDragging(true /* animate */, false /* touching */);
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dividerView.stopDragging(target.position, 0f, false /* avoidDismissStart */,
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true /* logMetrics */);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "handleDockKey() failed.");
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}
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}
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}
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