1 /*
2  * Copyright (C) 2021 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;
18 
19 import static org.junit.Assert.*;
20 
21 import android.graphics.Rect;
22 import android.os.CancellationSignal;
23 
24 import androidx.annotation.NonNull;
25 
26 import java.util.function.Consumer;
27 
28 class TestScrollCaptureCallback implements ScrollCaptureCallback {
29     private Consumer<Rect> mSearchConsumer;
30     private Runnable mStartOnReady;
31     private Consumer<Rect> mImageOnComplete;
32     private Runnable mOnEndReady;
33     private volatile int mModCount;
34     private boolean mOnScrollCaptureEndCalled;
35     private CancellationSignal mLastCancellationSignal;
36 
37     @Override
onScrollCaptureSearch(@onNull CancellationSignal signal, @NonNull Consumer<Rect> onReady)38     public void onScrollCaptureSearch(@NonNull CancellationSignal signal,
39             @NonNull Consumer<Rect> onReady) {
40         mLastCancellationSignal = signal;
41         mSearchConsumer = onReady;
42         mModCount++;
43     }
44 
45     @Override
onScrollCaptureStart(@onNull ScrollCaptureSession session, @NonNull CancellationSignal signal, @NonNull Runnable onReady)46     public void onScrollCaptureStart(@NonNull ScrollCaptureSession session,
47             @NonNull CancellationSignal signal, @NonNull Runnable onReady) {
48         mLastCancellationSignal = signal;
49         mStartOnReady = onReady;
50         mModCount++;
51     }
52 
53     @Override
onScrollCaptureImageRequest(@onNull ScrollCaptureSession session, @NonNull CancellationSignal signal, @NonNull Rect captureArea, @NonNull Consumer<Rect> onComplete)54     public void onScrollCaptureImageRequest(@NonNull ScrollCaptureSession session,
55             @NonNull CancellationSignal signal, @NonNull Rect captureArea,
56             @NonNull Consumer<Rect> onComplete) {
57         mLastCancellationSignal = signal;
58         mImageOnComplete = onComplete;
59         mModCount++;
60     }
61 
62     @Override
onScrollCaptureEnd(@onNull Runnable onReady)63     public void onScrollCaptureEnd(@NonNull Runnable onReady) {
64         mOnEndReady = onReady;
65         mOnScrollCaptureEndCalled = true;
66     }
67 
onScrollCaptureEndCalled()68     public boolean onScrollCaptureEndCalled() {
69         return mOnScrollCaptureEndCalled;
70     }
completeSearchRequest(Rect scrollBounds)71     void completeSearchRequest(Rect scrollBounds) {
72         assertNotNull("Did not receive search request", mSearchConsumer);
73         mSearchConsumer.accept(scrollBounds);
74         mModCount++;
75     }
76 
verifyZeroInteractions()77     void verifyZeroInteractions() {
78         assertEquals("Expected zero interactions", 0, mModCount);
79     }
80 
completeStartRequest()81     void completeStartRequest() {
82         assertNotNull("Did not receive start request", mStartOnReady);
83         if (mLastCancellationSignal != null && !mLastCancellationSignal.isCanceled()) {
84             mStartOnReady.run();
85         }
86     }
87 
completeImageRequest(Rect captured)88     void completeImageRequest(Rect captured) {
89         assertNotNull("Did not receive image request", mImageOnComplete);
90         if (mLastCancellationSignal != null && !mLastCancellationSignal.isCanceled()) {
91             mImageOnComplete.accept(captured);
92         }
93     }
94 
completeEndRequest()95     void completeEndRequest() {
96         assertNotNull("Did not receive end request", mOnEndReady);
97         if (mLastCancellationSignal != null && !mLastCancellationSignal.isCanceled()) {
98             mOnEndReady.run();
99         }
100     }
101 
getLastCancellationSignal()102     public CancellationSignal getLastCancellationSignal() {
103         return mLastCancellationSignal;
104     }
105 }
106