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      1 /*
      2  * Copyright (C) 2013 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 
     17 package com.android.systemui;
     18 
     19 import android.view.Display;
     20 import android.view.View;
     21 
     22 public interface RecentsComponent {
     23     public interface Callbacks {
     24         public void onVisibilityChanged(boolean visible);
     25     }
     26 
     27     void showRecents(boolean triggeredFromAltTab, View statusBarView);
     28     void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey);
     29     void toggleRecents(Display display, int layoutDirection, View statusBarView);
     30     void preloadRecents();
     31     void cancelPreloadingRecents();
     32     void showNextAffiliatedTask();
     33     void showPrevAffiliatedTask();
     34     void setCallback(Callbacks cb);
     35 }
     36