| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.policy; |
| |
| import android.content.Context; |
| import android.content.res.AssetManager; |
| import android.content.res.Resources; |
| import android.view.ContextThemeWrapper; |
| import android.view.WindowManager; |
| import android.view.WindowManagerImpl; |
| import android.view.contentcapture.ContentCaptureManager; |
| |
| import java.lang.ref.WeakReference; |
| |
| /** |
| * Context for decor views which can be seeded with pure application context and not depend on the |
| * activity, but still provide some of the facilities that Activity has, |
| * e.g. themes, activity-based resources, etc. |
| * |
| * @hide |
| */ |
| class DecorContext extends ContextThemeWrapper { |
| private PhoneWindow mPhoneWindow; |
| private WindowManager mWindowManager; |
| private Resources mActivityResources; |
| private ContentCaptureManager mContentCaptureManager; |
| |
| private WeakReference<Context> mActivityContext; |
| |
| public DecorContext(Context context, Context activityContext) { |
| super(context, null); |
| mActivityContext = new WeakReference<>(activityContext); |
| mActivityResources = activityContext.getResources(); |
| } |
| |
| void setPhoneWindow(PhoneWindow phoneWindow) { |
| mPhoneWindow = phoneWindow; |
| mWindowManager = null; |
| } |
| |
| @Override |
| public Object getSystemService(String name) { |
| if (Context.WINDOW_SERVICE.equals(name)) { |
| if (mWindowManager == null) { |
| WindowManagerImpl wm = |
| (WindowManagerImpl) super.getSystemService(Context.WINDOW_SERVICE); |
| mWindowManager = wm.createLocalWindowManager(mPhoneWindow); |
| } |
| return mWindowManager; |
| } |
| if (Context.CONTENT_CAPTURE_MANAGER_SERVICE.equals(name)) { |
| if (mContentCaptureManager == null) { |
| Context activityContext = mActivityContext.get(); |
| if (activityContext != null) { |
| mContentCaptureManager = (ContentCaptureManager) activityContext |
| .getSystemService(name); |
| } |
| } |
| return mContentCaptureManager; |
| } |
| return super.getSystemService(name); |
| } |
| |
| @Override |
| public Resources getResources() { |
| Context activityContext = mActivityContext.get(); |
| // Attempt to update the local cached Resources from the activity context. If the activity |
| // is no longer around, return the old cached values. |
| if (activityContext != null) { |
| mActivityResources = activityContext.getResources(); |
| } |
| |
| return mActivityResources; |
| } |
| |
| @Override |
| public AssetManager getAssets() { |
| return mActivityResources.getAssets(); |
| } |
| |
| @Override |
| public boolean isContentCaptureSupported() { |
| return true; |
| } |
| } |