1 /*
2  * Copyright (C) 2018 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 package com.android.launcher3.graphics;
17 
18 import android.app.Fragment;
19 import android.content.Context;
20 import android.os.Bundle;
21 
22 /**
23  * Extension of fragment, with support for preview mode.
24  */
25 public class FragmentWithPreview extends Fragment {
26 
27     private Context mPreviewContext;
28 
onCreate(Bundle savedInstanceState)29     public final void onCreate(Bundle savedInstanceState) {
30         super.onCreate(savedInstanceState);
31         onInit(savedInstanceState);
32     }
33 
onInit(Bundle savedInstanceState)34     public void onInit(Bundle savedInstanceState) { }
35 
36 
getContext()37     public Context getContext() {
38         return mPreviewContext != null ? mPreviewContext : getActivity();
39     }
40 
enterPreviewMode(Context context)41     void enterPreviewMode(Context context) {
42         mPreviewContext = context;
43     }
44 
isInPreviewMode()45     public boolean isInPreviewMode() {
46         return mPreviewContext != null;
47     }
48 }
49