1/*
2 * Copyright (C) 2014 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
17package com.android.camera.one.v2.core;
18
19import android.hardware.camera2.CaptureFailure;
20import android.hardware.camera2.CaptureResult;
21import android.hardware.camera2.TotalCaptureResult;
22
23import com.google.common.collect.ImmutableList;
24
25import java.util.Collection;
26
27/**
28 * Combines multiple {@link ResponseListener}s into a single one which
29 * dispatches to all listeners for each callback.
30 */
31class ResponseListenerBroadcaster extends ResponseListener {
32    private final ImmutableList<ResponseListener> mListeners;
33
34    public ResponseListenerBroadcaster(ResponseListener[] listeners) {
35        mListeners = ImmutableList.copyOf(listeners);
36    }
37
38    public ResponseListenerBroadcaster(Collection<ResponseListener> listeners) {
39        mListeners = ImmutableList.copyOf(listeners);
40    }
41
42    @Override
43    public void onStarted(long timestamp) {
44        for (ResponseListener listener : mListeners) {
45            listener.onStarted(timestamp);
46        }
47    }
48
49    @Override
50    public void onProgressed(CaptureResult partialResult) {
51        for (ResponseListener listener : mListeners) {
52            listener.onProgressed(partialResult);
53        }
54    }
55
56    @Override
57    public void onCompleted(TotalCaptureResult result) {
58        for (ResponseListener listener : mListeners) {
59            listener.onCompleted(result);
60        }
61    }
62
63    @Override
64    public void onFailed(CaptureFailure failure) {
65        for (ResponseListener listener : mListeners) {
66            listener.onFailed(failure);
67        }
68    }
69}
70