1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package android.app.stubs;
18 
19 import android.app.Activity;
20 import android.view.KeyboardShortcutGroup;
21 import android.view.Menu;
22 
23 import java.util.List;
24 import java.util.concurrent.TimeUnit;
25 import java.util.concurrent.locks.Condition;
26 import java.util.concurrent.locks.Lock;
27 import java.util.concurrent.locks.ReentrantLock;
28 
29 public class KeyboardShortcutsActivity extends Activity {
30 
31     public static final String ITEM_1_NAME = "item 1";
32     public static final char ITEM_1_SHORTCUT = 'i';
33     private boolean mOnProvideKeyboardShortcutsCalled;
34     private final Lock mLock = new ReentrantLock();
35     private final Condition mSignalOnProvideKeyboardShortcuts  = mLock.newCondition();
36     private final Condition mSignalOnActivityDeFocused = mLock.newCondition();
37 
38     @Override
onCreateOptionsMenu(Menu menu)39     public boolean onCreateOptionsMenu(Menu menu) {
40         menu.add(ITEM_1_NAME).setAlphabeticShortcut(ITEM_1_SHORTCUT);
41         return true;
42     }
43 
waitForMenuToBeOpen()44     public void waitForMenuToBeOpen() throws InterruptedException {
45         boolean stillWaiting = true;
46         while (hasWindowFocus() && stillWaiting) {
47             mLock.lock();
48             try {
49                 stillWaiting = mSignalOnActivityDeFocused.await(10, TimeUnit.SECONDS);
50             } finally {
51                 mLock.unlock();
52             }
53         }
54     }
55 
56     @Override
onWindowFocusChanged(boolean hasFocus)57     public void onWindowFocusChanged(boolean hasFocus) {
58         if (!hasFocus) {
59             mLock.lock();
60             try {
61                 mSignalOnActivityDeFocused.signal();
62             } finally {
63                 mLock.unlock();
64             }
65         }
66         super.onWindowFocusChanged(hasFocus);
67     }
68 
waitForKeyboardShortcutsToBeRequested()69     public void waitForKeyboardShortcutsToBeRequested() throws InterruptedException {
70         boolean stillWaiting = true;
71         while (!onProvideKeyboardShortcutsCalled() && stillWaiting) {
72             mLock.lock();
73             try {
74                 stillWaiting = mSignalOnProvideKeyboardShortcuts.await(10, TimeUnit.SECONDS);
75             } finally {
76                 mLock.unlock();
77             }
78         }
79     }
80 
81     @Override
onProvideKeyboardShortcuts( List<KeyboardShortcutGroup> data, Menu menu, int deviceId)82     public void onProvideKeyboardShortcuts(
83             List<KeyboardShortcutGroup> data, Menu menu, int deviceId) {
84         mOnProvideKeyboardShortcutsCalled = true;
85         mLock.lock();
86         try {
87             mSignalOnProvideKeyboardShortcuts.signal();
88         } finally {
89             mLock.unlock();
90         }
91         super.onProvideKeyboardShortcuts(data, menu, deviceId);
92     }
93 
onProvideKeyboardShortcutsCalled()94     public boolean onProvideKeyboardShortcutsCalled() {
95         return mOnProvideKeyboardShortcutsCalled;
96     }
97 }
98