1 /*
2  * Copyright (C) 2017 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 com.android.launcher3;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.content.ContextWrapper;
22 import android.view.View.AccessibilityDelegate;
23 
24 import com.android.launcher3.logging.UserEventDispatcher;
25 
26 public abstract class BaseActivity extends Activity {
27 
28     protected DeviceProfile mDeviceProfile;
29     protected UserEventDispatcher mUserEventDispatcher;
30 
getDeviceProfile()31     public DeviceProfile getDeviceProfile() {
32         return mDeviceProfile;
33     }
34 
getAccessibilityDelegate()35     public AccessibilityDelegate getAccessibilityDelegate() {
36         return null;
37     }
38 
getUserEventDispatcher()39     public final UserEventDispatcher getUserEventDispatcher() {
40         if (mUserEventDispatcher == null) {
41             mUserEventDispatcher = UserEventDispatcher.newInstance(this,
42                     mDeviceProfile.isLandscape, isInMultiWindowModeCompat());
43         }
44         return mUserEventDispatcher;
45     }
46 
isInMultiWindowModeCompat()47     public boolean isInMultiWindowModeCompat() {
48         return Utilities.ATLEAST_NOUGAT && isInMultiWindowMode();
49     }
50 
fromContext(Context context)51     public static BaseActivity fromContext(Context context) {
52         if (context instanceof BaseActivity) {
53             return (BaseActivity) context;
54         }
55         return ((BaseActivity) ((ContextWrapper) context).getBaseContext());
56     }
57 }
58