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/child_process_launcher_android.h" 6 7 #include "base/android/jni_android.h" 8 #include "base/android/jni_array.h" 9 #include "base/logging.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "content/browser/frame_host/render_frame_host_impl.h" 12 #include "content/browser/media/android/browser_media_player_manager.h" 13 #include "content/browser/media/media_web_contents_observer.h" 14 #include "content/browser/renderer_host/compositor_impl_android.h" 15 #include "content/browser/renderer_host/render_view_host_impl.h" 16 #include "content/public/browser/browser_thread.h" 17 #include "content/public/browser/render_process_host.h" 18 #include "content/public/common/content_switches.h" 19 #include "jni/ChildProcessLauncher_jni.h" 20 #include "media/base/android/media_player_android.h" 21 #include "ui/gl/android/scoped_java_surface.h" 22 23 using base::android::AttachCurrentThread; 24 using base::android::ToJavaArrayOfStrings; 25 using base::android::ScopedJavaGlobalRef; 26 using base::android::ScopedJavaLocalRef; 27 using content::StartChildProcessCallback; 28 29 namespace content { 30 31 namespace { 32 33 // Pass a java surface object to the MediaPlayerAndroid object 34 // identified by render process handle, render frame ID and player ID. 35 static void SetSurfacePeer( 36 const base::android::JavaRef<jobject>& surface, 37 base::ProcessHandle render_process_handle, 38 int render_frame_id, 39 int player_id) { 40 int render_process_id = 0; 41 RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator(); 42 while (!it.IsAtEnd()) { 43 if (it.GetCurrentValue()->GetHandle() == render_process_handle) { 44 render_process_id = it.GetCurrentValue()->GetID(); 45 break; 46 } 47 it.Advance(); 48 } 49 if (!render_process_id) { 50 DVLOG(1) << "Cannot find render process for render_process_handle " 51 << render_process_handle; 52 return; 53 } 54 55 RenderFrameHostImpl* frame = 56 RenderFrameHostImpl::FromID(render_process_id, render_frame_id); 57 if (!frame) { 58 DVLOG(1) << "Cannot find frame for render_frame_id " << render_frame_id; 59 return; 60 } 61 62 RenderViewHostImpl* view = 63 static_cast<RenderViewHostImpl*>(frame->GetRenderViewHost()); 64 BrowserMediaPlayerManager* player_manager = 65 view->media_web_contents_observer()->GetMediaPlayerManager(frame); 66 if (!player_manager) { 67 DVLOG(1) << "Cannot find the media player manager for frame " << frame; 68 return; 69 } 70 71 media::MediaPlayerAndroid* player = player_manager->GetPlayer(player_id); 72 if (!player) { 73 DVLOG(1) << "Cannot find media player for player_id " << player_id; 74 return; 75 } 76 77 if (player != player_manager->GetFullscreenPlayer()) { 78 gfx::ScopedJavaSurface scoped_surface(surface); 79 player->SetVideoSurface(scoped_surface.Pass()); 80 } 81 } 82 83 } // anonymous namespace 84 85 // Called from ChildProcessLauncher.java when the ChildProcess was 86 // started. 87 // |client_context| is the pointer to StartChildProcessCallback which was 88 // passed in from StartChildProcess. 89 // |handle| is the processID of the child process as originated in Java, 0 if 90 // the ChildProcess could not be created. 91 static void OnChildProcessStarted(JNIEnv*, 92 jclass, 93 jlong client_context, 94 jint handle) { 95 StartChildProcessCallback* callback = 96 reinterpret_cast<StartChildProcessCallback*>(client_context); 97 if (handle) 98 callback->Run(static_cast<base::ProcessHandle>(handle)); 99 delete callback; 100 } 101 102 void StartChildProcess( 103 const base::CommandLine::StringVector& argv, 104 int child_process_id, 105 const std::vector<content::FileDescriptorInfo>& files_to_register, 106 const StartChildProcessCallback& callback) { 107 JNIEnv* env = AttachCurrentThread(); 108 DCHECK(env); 109 110 // Create the Command line String[] 111 ScopedJavaLocalRef<jobjectArray> j_argv = ToJavaArrayOfStrings(env, argv); 112 113 size_t file_count = files_to_register.size(); 114 DCHECK(file_count > 0); 115 116 ScopedJavaLocalRef<jintArray> j_file_ids(env, env->NewIntArray(file_count)); 117 base::android::CheckException(env); 118 jint* file_ids = env->GetIntArrayElements(j_file_ids.obj(), NULL); 119 base::android::CheckException(env); 120 ScopedJavaLocalRef<jintArray> j_file_fds(env, env->NewIntArray(file_count)); 121 base::android::CheckException(env); 122 jint* file_fds = env->GetIntArrayElements(j_file_fds.obj(), NULL); 123 base::android::CheckException(env); 124 ScopedJavaLocalRef<jbooleanArray> j_file_auto_close( 125 env, env->NewBooleanArray(file_count)); 126 base::android::CheckException(env); 127 jboolean* file_auto_close = 128 env->GetBooleanArrayElements(j_file_auto_close.obj(), NULL); 129 base::android::CheckException(env); 130 for (size_t i = 0; i < file_count; ++i) { 131 const content::FileDescriptorInfo& fd_info = files_to_register[i]; 132 file_ids[i] = fd_info.id; 133 file_fds[i] = fd_info.fd.fd; 134 file_auto_close[i] = fd_info.fd.auto_close; 135 } 136 env->ReleaseIntArrayElements(j_file_ids.obj(), file_ids, 0); 137 env->ReleaseIntArrayElements(j_file_fds.obj(), file_fds, 0); 138 env->ReleaseBooleanArrayElements(j_file_auto_close.obj(), file_auto_close, 0); 139 140 Java_ChildProcessLauncher_start(env, 141 base::android::GetApplicationContext(), 142 j_argv.obj(), 143 child_process_id, 144 j_file_ids.obj(), 145 j_file_fds.obj(), 146 j_file_auto_close.obj(), 147 reinterpret_cast<intptr_t>(new StartChildProcessCallback(callback))); 148 } 149 150 void StopChildProcess(base::ProcessHandle handle) { 151 JNIEnv* env = AttachCurrentThread(); 152 DCHECK(env); 153 Java_ChildProcessLauncher_stop(env, static_cast<jint>(handle)); 154 } 155 156 bool IsChildProcessOomProtected(base::ProcessHandle handle) { 157 JNIEnv* env = AttachCurrentThread(); 158 DCHECK(env); 159 return Java_ChildProcessLauncher_isOomProtected(env, 160 static_cast<jint>(handle)); 161 } 162 163 void SetChildProcessInForeground(base::ProcessHandle handle, 164 bool in_foreground) { 165 JNIEnv* env = AttachCurrentThread(); 166 DCHECK(env); 167 return Java_ChildProcessLauncher_setInForeground(env, 168 static_cast<jint>(handle), static_cast<jboolean>(in_foreground)); 169 } 170 171 void EstablishSurfacePeer( 172 JNIEnv* env, jclass clazz, 173 jint pid, jobject surface, jint primary_id, jint secondary_id) { 174 ScopedJavaGlobalRef<jobject> jsurface; 175 jsurface.Reset(env, surface); 176 if (jsurface.is_null()) 177 return; 178 179 DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI)); 180 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind( 181 &SetSurfacePeer, jsurface, pid, primary_id, secondary_id)); 182 } 183 184 void RegisterViewSurface(int surface_id, jobject j_surface) { 185 JNIEnv* env = AttachCurrentThread(); 186 DCHECK(env); 187 Java_ChildProcessLauncher_registerViewSurface(env, surface_id, j_surface); 188 } 189 190 void UnregisterViewSurface(int surface_id) { 191 JNIEnv* env = AttachCurrentThread(); 192 DCHECK(env); 193 Java_ChildProcessLauncher_unregisterViewSurface(env, surface_id); 194 } 195 196 void RegisterChildProcessSurfaceTexture(int surface_texture_id, 197 int child_process_id, 198 jobject j_surface_texture) { 199 JNIEnv* env = AttachCurrentThread(); 200 DCHECK(env); 201 Java_ChildProcessLauncher_registerSurfaceTexture( 202 env, surface_texture_id, child_process_id, j_surface_texture); 203 } 204 205 void UnregisterChildProcessSurfaceTexture(int surface_texture_id, 206 int child_process_id) { 207 JNIEnv* env = AttachCurrentThread(); 208 DCHECK(env); 209 Java_ChildProcessLauncher_unregisterSurfaceTexture( 210 env, surface_texture_id, child_process_id); 211 } 212 213 jboolean IsSingleProcess(JNIEnv* env, jclass clazz) { 214 return base::CommandLine::ForCurrentProcess()->HasSwitch( 215 switches::kSingleProcess); 216 } 217 218 bool RegisterChildProcessLauncher(JNIEnv* env) { 219 return RegisterNativesImpl(env); 220 } 221 222 } // namespace content 223
