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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 
     15 package com.android.systemui;
     16 
     17 import static org.mockito.Mockito.mock;
     18 
     19 import android.content.Context;
     20 import android.util.ArrayMap;
     21 
     22 public class TestableDependency extends Dependency {
     23     private final ArrayMap<Object, Object> mObjs = new ArrayMap<>();
     24 
     25     public TestableDependency(Context context) {
     26         mContext = context;
     27         if (SystemUIFactory.getInstance() == null) {
     28             SystemUIFactory.createFromConfig(context);
     29         }
     30         start();
     31     }
     32 
     33     public <T> T injectMockDependency(Class<T> cls) {
     34         final T mock = mock(cls);
     35         injectTestDependency(cls, mock);
     36         return mock;
     37     }
     38 
     39     public <T> void injectTestDependency(DependencyKey<T> key, T obj) {
     40         mObjs.put(key, obj);
     41     }
     42 
     43     public <T> void injectTestDependency(Class<T> key, T obj) {
     44         mObjs.put(key, obj);
     45     }
     46 
     47     @Override
     48     protected <T> T createDependency(Object key) {
     49         if (mObjs.containsKey(key)) return (T) mObjs.get(key);
     50         return super.createDependency(key);
     51     }
     52 }
     53