| /* |
| * 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 android.support.v7.widget; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.NonNull; |
| |
| import java.lang.ref.WeakReference; |
| |
| /** |
| * This class allows us to intercept calls so that we can tint resources (if applicable). |
| */ |
| class TintResources extends ResourcesWrapper { |
| |
| private final WeakReference<Context> mContextRef; |
| |
| public TintResources(@NonNull Context context, @NonNull final Resources res) { |
| super(res); |
| mContextRef = new WeakReference<>(context); |
| } |
| |
| /** |
| * We intercept this call so that we tint the result (if applicable). This is needed for |
| * things like {@link android.graphics.drawable.DrawableContainer}s which can retrieve |
| * their children via this method. |
| */ |
| @Override |
| public Drawable getDrawable(int id) throws NotFoundException { |
| Drawable d = super.getDrawable(id); |
| Context context = mContextRef.get(); |
| if (d != null && context != null) { |
| AppCompatDrawableManager.get().tintDrawableUsingColorFilter(context, id, d); |
| } |
| return d; |
| } |
| } |