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      1 /*
      2  * Copyright (C) 2016 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 package android.fragment.cts;
     17 
     18 import static com.android.compatibility.common.util.CtsMockitoUtils.within;
     19 
     20 import static org.mockito.Matchers.any;
     21 import static org.mockito.Mockito.mock;
     22 import static org.mockito.Mockito.never;
     23 import static org.mockito.Mockito.reset;
     24 import static org.mockito.Mockito.verify;
     25 
     26 import com.android.compatibility.common.util.transition.TrackingTransition;
     27 import com.android.compatibility.common.util.transition.TrackingVisibility;
     28 
     29 import android.os.Bundle;
     30 import android.os.SystemClock;
     31 import android.transition.Transition;
     32 import android.view.LayoutInflater;
     33 import android.view.View;
     34 import android.view.ViewGroup;
     35 
     36 /**
     37  * A fragment that has transitions that can be tracked.
     38  */
     39 public class TransitionFragment extends StrictViewFragment {
     40     public final TrackingVisibility enterTransition = new TrackingVisibility();
     41     public final TrackingVisibility reenterTransition = new TrackingVisibility();
     42     public final TrackingVisibility exitTransition = new TrackingVisibility();
     43     public final TrackingVisibility returnTransition = new TrackingVisibility();
     44     public final TrackingTransition sharedElementEnter = new TrackingTransition();
     45     public final TrackingTransition sharedElementReturn = new TrackingTransition();
     46 
     47     private Transition.TransitionListener mListener = mock(Transition.TransitionListener.class);
     48 
     49     public TransitionFragment() {
     50         setEnterTransition(enterTransition);
     51         setReenterTransition(reenterTransition);
     52         setExitTransition(exitTransition);
     53         setReturnTransition(returnTransition);
     54         setSharedElementEnterTransition(sharedElementEnter);
     55         setSharedElementReturnTransition(sharedElementReturn);
     56         enterTransition.addListener(mListener);
     57         sharedElementEnter.addListener(mListener);
     58         reenterTransition.addListener(mListener);
     59         exitTransition.addListener(mListener);
     60         returnTransition.addListener(mListener);
     61         sharedElementReturn.addListener(mListener);
     62     }
     63 
     64     @Override
     65     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     66             Bundle savedInstanceState) {
     67         checkGetActivity();
     68         checkState("onCreateView", CREATED);
     69         mOnCreateViewCalled = true;
     70         return super.onCreateView(inflater, container, savedInstanceState);
     71     }
     72 
     73     void waitForTransition() throws InterruptedException {
     74         verify(mListener, within(500)).onTransitionEnd(any());
     75         reset(mListener);
     76     }
     77 
     78     void waitForNoTransition() throws InterruptedException {
     79         SystemClock.sleep(250);
     80         verify(mListener, never()).onTransitionStart(any());
     81     }
     82 }
     83