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      1 /*
      2  * Copyright (C) 2009 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 android.view.animation.cts;
     18 
     19 import android.app.Instrumentation;
     20 import android.cts.util.PollingCheck;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 import android.view.animation.Animation;
     24 import android.view.animation.LayoutAnimationController;
     25 
     26 /**
     27  * The utility methods for animation test.
     28  */
     29 public final class AnimationTestUtils {
     30     /** timeout delta when wait in case the system is sluggish */
     31     private static final long TIMEOUT_DELTA = 1000;
     32 
     33     /**
     34      * no public constructor since this is a utility class
     35      */
     36     private AnimationTestUtils() {
     37 
     38     }
     39 
     40     /**
     41      * Assert run an animation successfully. Timeout is duration of animation.
     42      *
     43      * @param instrumentation to run animation.
     44      * @param view view window to run animation.
     45      * @param animation will be run.
     46      */
     47     public static void assertRunAnimation(final Instrumentation instrumentation,
     48             final View view, final Animation animation) {
     49         assertRunAnimation(instrumentation, view, animation, animation.getDuration());
     50     }
     51 
     52     /**
     53      * Assert run an animation successfully.
     54      *
     55      * @param instrumentation to run animation.
     56      * @param view window to run animation.
     57      * @param animation will be run.
     58      * @param duration in milliseconds.
     59      */
     60     public static void assertRunAnimation(final Instrumentation instrumentation,
     61             final View view, final Animation animation, final long duration) {
     62 
     63         instrumentation.runOnMainSync(new Runnable() {
     64             public void run() {
     65                 view.startAnimation(animation);
     66             }
     67         });
     68 
     69         // check whether it has started
     70         new PollingCheck() {
     71             @Override
     72             protected boolean check() {
     73                 return animation.hasStarted();
     74             }
     75         }.run();
     76 
     77         // check whether it has ended after duration
     78         new PollingCheck(duration + TIMEOUT_DELTA) {
     79             @Override
     80             protected boolean check() {
     81                 return animation.hasEnded();
     82             }
     83         }.run();
     84 
     85         instrumentation.waitForIdleSync();
     86     }
     87 
     88     /**
     89      * Assert run an AbsListView with LayoutAnimationController successfully.
     90      * @param instrumentation
     91      * @param view
     92      * @param controller
     93      * @param duration
     94      * @throws InterruptedException
     95      */
     96     public static void assertRunController(final Instrumentation instrumentation,
     97             final ViewGroup view, final LayoutAnimationController controller,
     98             final long duration) throws InterruptedException {
     99 
    100         instrumentation.runOnMainSync(new Runnable() {
    101            public void run() {
    102                 view.setLayoutAnimation(controller);
    103                 view.requestLayout();
    104            }
    105         });
    106 
    107         // LayoutAnimationController.isDone() always returns true, it's no use for stopping
    108         // the running, so just using sleeping fixed time instead. we reported issue 1799434 for it.
    109         Thread.sleep(duration + TIMEOUT_DELTA);
    110     }
    111 }
    112