1/*
2 * Copyright (C) 2015 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
17package com.android.internal.policy;
18
19import android.content.Context;
20import android.content.res.AssetManager;
21import android.content.res.Resources;
22import android.view.ContextThemeWrapper;
23import android.view.WindowManager;
24import android.view.WindowManagerImpl;
25
26/**
27 * Context for decor views which can be seeded with pure application context and not depend on the
28 * activity, but still provide some of the facilities that Activity has,
29 * e.g. themes, activity-based resources, etc.
30 *
31 * @hide
32 */
33class DecorContext extends ContextThemeWrapper {
34    private PhoneWindow mPhoneWindow;
35    private WindowManager mWindowManager;
36    private Resources mActivityResources;
37
38    public DecorContext(Context context, Resources activityResources) {
39        super(context, null);
40        mActivityResources = activityResources;
41    }
42
43    void setPhoneWindow(PhoneWindow phoneWindow) {
44        mPhoneWindow = phoneWindow;
45        mWindowManager = null;
46    }
47
48    @Override
49    public Object getSystemService(String name) {
50        if (Context.WINDOW_SERVICE.equals(name)) {
51            if (mWindowManager == null) {
52                WindowManagerImpl wm =
53                        (WindowManagerImpl) super.getSystemService(Context.WINDOW_SERVICE);
54                mWindowManager = wm.createLocalWindowManager(mPhoneWindow);
55            }
56            return mWindowManager;
57        }
58        return super.getSystemService(name);
59    }
60
61    @Override
62    public Resources getResources() {
63        return mActivityResources;
64    }
65
66    @Override
67    public AssetManager getAssets() {
68        return mActivityResources.getAssets();
69    }
70}
71