content_video_view.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/android/content_video_view.h"
6
7#include "base/command_line.h"
8#include "base/logging.h"
9#include "content/browser/media/android/browser_media_player_manager.h"
10#include "content/common/android/surface_texture_peer.h"
11#include "content/public/common/content_switches.h"
12#include "jni/ContentVideoView_jni.h"
13
14using base::android::AttachCurrentThread;
15using base::android::CheckException;
16using base::android::ScopedJavaGlobalRef;
17
18namespace content {
19
20namespace {
21// There can only be one content video view at a time, this holds onto that
22// singleton instance.
23ContentVideoView* g_content_video_view = NULL;
24
25}  // namespace
26
27static jobject GetSingletonJavaContentVideoView(JNIEnv*env, jclass) {
28  if (g_content_video_view)
29    return g_content_video_view->GetJavaObject(env).Release();
30  else
31    return NULL;
32}
33
34bool ContentVideoView::RegisterContentVideoView(JNIEnv* env) {
35  return RegisterNativesImpl(env);
36}
37
38bool ContentVideoView::HasContentVideoView() {
39  return g_content_video_view;
40}
41
42ContentVideoView::ContentVideoView(
43    const ScopedJavaLocalRef<jobject>& context,
44    const ScopedJavaLocalRef<jobject>& client,
45    BrowserMediaPlayerManager* manager)
46    : manager_(manager) {
47  DCHECK(!g_content_video_view);
48  JNIEnv *env = AttachCurrentThread();
49  j_content_video_view_ = JavaObjectWeakGlobalRef(env,
50      Java_ContentVideoView_createContentVideoView(env, context.obj(),
51          reinterpret_cast<int>(this), client.obj()).obj());
52  g_content_video_view = this;
53}
54
55ContentVideoView::~ContentVideoView() {
56  DCHECK(g_content_video_view);
57  DestroyContentVideoView(true);
58  g_content_video_view = NULL;
59}
60
61void ContentVideoView::OpenVideo() {
62  JNIEnv *env = AttachCurrentThread();
63  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
64  if (!content_video_view.is_null())
65    Java_ContentVideoView_openVideo(env, content_video_view.obj());
66}
67
68void ContentVideoView::OnMediaPlayerError(int error_type) {
69  JNIEnv *env = AttachCurrentThread();
70  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
71  if (!content_video_view.is_null()) {
72    Java_ContentVideoView_onMediaPlayerError(env, content_video_view.obj(),
73        error_type);
74  }
75}
76
77void ContentVideoView::OnVideoSizeChanged(int width, int height) {
78  JNIEnv *env = AttachCurrentThread();
79  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
80  if (!content_video_view.is_null()) {
81    Java_ContentVideoView_onVideoSizeChanged(env, content_video_view.obj(),
82        width, height);
83  }
84}
85
86void ContentVideoView::OnBufferingUpdate(int percent) {
87  JNIEnv *env = AttachCurrentThread();
88  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
89  if (!content_video_view.is_null()) {
90    Java_ContentVideoView_onBufferingUpdate(env, content_video_view.obj(),
91        percent);
92  }
93}
94
95void ContentVideoView::OnPlaybackComplete() {
96  JNIEnv *env = AttachCurrentThread();
97  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
98  if (!content_video_view.is_null())
99    Java_ContentVideoView_onPlaybackComplete(env, content_video_view.obj());
100}
101
102void ContentVideoView::OnExitFullscreen() {
103  DestroyContentVideoView(false);
104}
105
106void ContentVideoView::UpdateMediaMetadata() {
107  JNIEnv *env = AttachCurrentThread();
108  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
109  if (!content_video_view.is_null())
110    UpdateMediaMetadata(env, content_video_view.obj());
111}
112
113int ContentVideoView::GetVideoWidth(JNIEnv*, jobject obj) const {
114  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
115  return player ? player->GetVideoWidth() : 0;
116}
117
118int ContentVideoView::GetVideoHeight(JNIEnv*, jobject obj) const {
119  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
120  return player ? player->GetVideoHeight() : 0;
121}
122
123int ContentVideoView::GetDurationInMilliSeconds(JNIEnv*, jobject obj) const {
124  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
125  return player ? player->GetDuration().InMilliseconds() : -1;
126}
127
128int ContentVideoView::GetCurrentPosition(JNIEnv*, jobject obj) const {
129  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
130  return player ? player->GetCurrentTime().InMilliseconds() : 0;
131}
132
133bool ContentVideoView::IsPlaying(JNIEnv*, jobject obj) {
134  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
135  return player ? player->IsPlaying() : false;
136}
137
138void ContentVideoView::SeekTo(JNIEnv*, jobject obj, jint msec) {
139  manager_->FullscreenPlayerSeek(msec);
140}
141
142void ContentVideoView::Play(JNIEnv*, jobject obj) {
143  manager_->FullscreenPlayerPlay();
144}
145
146void ContentVideoView::Pause(JNIEnv*, jobject obj) {
147  manager_->FullscreenPlayerPause();
148}
149
150void ContentVideoView::ExitFullscreen(
151    JNIEnv*, jobject, jboolean release_media_player) {
152  j_content_video_view_.reset();
153  manager_->ExitFullscreen(release_media_player);
154}
155
156void ContentVideoView::SetSurface(JNIEnv* env, jobject obj,
157                                  jobject surface) {
158  manager_->SetVideoSurface(
159      gfx::ScopedJavaSurface::AcquireExternalSurface(surface));
160}
161
162void ContentVideoView::UpdateMediaMetadata(JNIEnv* env, jobject obj) {
163  media::MediaPlayerAndroid* player = manager_->GetFullscreenPlayer();
164  if (player && player->IsPlayerReady())
165    Java_ContentVideoView_onUpdateMediaMetadata(
166        env, obj, player->GetVideoWidth(), player->GetVideoHeight(),
167        player->GetDuration().InMilliseconds(), player->CanPause(),
168        player->CanSeekForward(), player->CanSeekBackward());
169}
170
171ScopedJavaLocalRef<jobject> ContentVideoView::GetJavaObject(JNIEnv* env) {
172  return j_content_video_view_.get(env);
173}
174
175void ContentVideoView::DestroyContentVideoView(bool native_view_destroyed) {
176  JNIEnv *env = AttachCurrentThread();
177  ScopedJavaLocalRef<jobject> content_video_view = GetJavaObject(env);
178  if (!content_video_view.is_null()) {
179    Java_ContentVideoView_destroyContentVideoView(env,
180        content_video_view.obj(), native_view_destroyed);
181    j_content_video_view_.reset();
182  }
183}
184}  // namespace content
185