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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
halliwell
2017/05/19 17:04:08
nit, fix date
thoren
2017/05/19 17:19:50
Done.
| |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.chromecast.shell; | |
6 | |
7 import android.app.Service; | |
8 import android.content.Intent; | |
9 import android.media.AudioManager; | |
10 import android.os.IBinder; | |
11 | |
12 import org.chromium.base.Log; | |
13 import org.chromium.base.annotations.JNINamespace; | |
14 import org.chromium.content.browser.ContentView; | |
15 import org.chromium.content.browser.ContentViewCore; | |
16 import org.chromium.content_public.browser.WebContents; | |
17 import org.chromium.ui.base.ViewAndroidDelegate; | |
18 import org.chromium.ui.base.WindowAndroid; | |
19 | |
20 /** | |
21 * Service for "displaying" a WebContents in CastShell. | |
22 * <p> | |
23 * Typically, this class is controlled by CastContentWindowAndroid, which will | |
24 * bind to this service. | |
25 */ | |
26 @JNINamespace("chromecast::shell") | |
27 public class CastWebContentsService extends Service { | |
28 private static final String TAG = "cr_CastWebService"; | |
29 private static final boolean DEBUG = true; | |
30 | |
31 private String mInstanceId; | |
32 private AudioManager mAudioManager; | |
33 private WindowAndroid mWindow; | |
34 private ContentViewCore mContentViewCore; | |
35 private ContentView mContentView; | |
36 | |
37 protected void handleIntent(Intent intent) { | |
38 intent.setExtrasClassLoader(WebContents.class.getClassLoader()); | |
39 mInstanceId = intent.getData().getPath(); | |
40 | |
41 WebContents webContents = (WebContents) intent.getParcelableExtra( | |
42 CastWebContentsComponent.ACTION_EXTRA_WEB_CONTENTS); | |
43 if (webContents == null) { | |
44 Log.e(TAG, "Received null WebContents in intent."); | |
45 return; | |
46 } | |
47 | |
48 detachWebContentsIfAny(); | |
49 showWebContents(webContents); | |
50 } | |
51 | |
52 @Override | |
53 public void onDestroy() { | |
54 if (DEBUG) Log.d(TAG, "onDestroy"); | |
55 | |
56 if (mAudioManager.abandonAudioFocus(null) != AudioManager.AUDIOFOCUS_REQ UEST_GRANTED) { | |
57 Log.e(TAG, "Failed to abandon audio focus"); | |
58 } | |
59 | |
60 super.onDestroy(); | |
61 } | |
62 | |
63 @Override | |
64 public void onCreate() { | |
65 if (DEBUG) Log.d(TAG, "onCreate"); | |
66 | |
67 mWindow = new WindowAndroid(this); | |
68 mAudioManager = CastAudioManager.getAudioManager(this); | |
69 | |
70 if (mAudioManager.requestAudioFocus( | |
71 null, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAI N) | |
72 != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) { | |
73 Log.e(TAG, "Failed to obtain audio focus"); | |
74 } | |
75 } | |
76 | |
77 @Override | |
78 public IBinder onBind(Intent intent) { | |
79 if (DEBUG) Log.d(TAG, "onBind"); | |
80 | |
81 handleIntent(intent); | |
82 | |
83 return null; | |
84 } | |
85 | |
86 // Sets webContents to be the currently displayed webContents. | |
87 private void showWebContents(WebContents webContents) { | |
88 if (DEBUG) Log.d(TAG, "showWebContents"); | |
89 | |
90 // TODO(derekjchow): productVersion | |
91 mContentViewCore = new ContentViewCore(this, ""); | |
92 mContentView = ContentView.createContentView(this, mContentViewCore); | |
93 mContentViewCore.initialize(ViewAndroidDelegate.createBasicDelegate(mCon tentView), | |
94 mContentView, webContents, mWindow); | |
95 // Enable display of current webContents. | |
96 mContentViewCore.onShow(); | |
97 } | |
98 | |
99 // Remove the currently displayed webContents. no-op if nothing is being dis played. | |
100 private void detachWebContentsIfAny() { | |
101 if (DEBUG) Log.d(TAG, "detachWebContentsIfAny"); | |
102 if (mContentView != null) { | |
103 mContentView = null; | |
104 mContentViewCore = null; | |
105 | |
106 // Inform CastContentWindowAndroid we're detaching. | |
107 CastWebContentsComponent.onComponentClosed(this, mInstanceId); | |
108 } | |
109 } | |
110 } | |
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