| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/android/child_process_launcher_android.h" |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/jni_array.h" |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "content/browser/renderer_host/compositor_impl_android.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/content_switches.h" |
| #include "jni/ChildProcessLauncher_jni.h" |
| #include "media/base/android/media_player_android.h" |
| #include "media/base/android/media_player_manager.h" |
| #include "ui/gl/android/scoped_java_surface.h" |
| |
| using base::android::AttachCurrentThread; |
| using base::android::ToJavaArrayOfStrings; |
| using base::android::ScopedJavaGlobalRef; |
| using base::android::ScopedJavaLocalRef; |
| using content::StartChildProcessCallback; |
| |
| namespace content { |
| |
| namespace { |
| |
| // Pass a java surface object to the MediaPlayerAndroid object |
| // identified by render process handle, render view ID and player ID. |
| static void SetSurfacePeer( |
| const base::android::JavaRef<jobject>& surface, |
| base::ProcessHandle render_process_handle, |
| int render_view_id, |
| int player_id) { |
| int renderer_id = 0; |
| RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator(); |
| while (!it.IsAtEnd()) { |
| if (it.GetCurrentValue()->GetHandle() == render_process_handle) { |
| renderer_id = it.GetCurrentValue()->GetID(); |
| break; |
| } |
| it.Advance(); |
| } |
| |
| if (renderer_id) { |
| RenderViewHostImpl* host = RenderViewHostImpl::FromID( |
| renderer_id, render_view_id); |
| if (host) { |
| media::MediaPlayerAndroid* player = |
| host->media_player_manager()->GetPlayer(player_id); |
| if (player && |
| player != host->media_player_manager()->GetFullscreenPlayer()) { |
| gfx::ScopedJavaSurface scoped_surface(surface); |
| player->SetVideoSurface(scoped_surface.Pass()); |
| } |
| } |
| } |
| } |
| |
| } // anonymous namespace |
| |
| // Called from ChildProcessLauncher.java when the ChildProcess was |
| // started. |
| // |client_context| is the pointer to StartChildProcessCallback which was |
| // passed in from StartChildProcess. |
| // |handle| is the processID of the child process as originated in Java, 0 if |
| // the ChildProcess could not be created. |
| static void OnChildProcessStarted(JNIEnv*, |
| jclass, |
| jint client_context, |
| jint handle) { |
| StartChildProcessCallback* callback = |
| reinterpret_cast<StartChildProcessCallback*>(client_context); |
| if (handle) |
| callback->Run(static_cast<base::ProcessHandle>(handle)); |
| delete callback; |
| } |
| |
| void StartChildProcess( |
| const CommandLine::StringVector& argv, |
| const std::vector<content::FileDescriptorInfo>& files_to_register, |
| const StartChildProcessCallback& callback) { |
| JNIEnv* env = AttachCurrentThread(); |
| DCHECK(env); |
| |
| // Create the Command line String[] |
| ScopedJavaLocalRef<jobjectArray> j_argv = ToJavaArrayOfStrings(env, argv); |
| |
| size_t file_count = files_to_register.size(); |
| DCHECK(file_count > 0); |
| |
| ScopedJavaLocalRef<jintArray> j_file_ids(env, env->NewIntArray(file_count)); |
| base::android::CheckException(env); |
| jint* file_ids = env->GetIntArrayElements(j_file_ids.obj(), NULL); |
| base::android::CheckException(env); |
| ScopedJavaLocalRef<jintArray> j_file_fds(env, env->NewIntArray(file_count)); |
| base::android::CheckException(env); |
| jint* file_fds = env->GetIntArrayElements(j_file_fds.obj(), NULL); |
| base::android::CheckException(env); |
| ScopedJavaLocalRef<jbooleanArray> j_file_auto_close( |
| env, env->NewBooleanArray(file_count)); |
| base::android::CheckException(env); |
| jboolean* file_auto_close = |
| env->GetBooleanArrayElements(j_file_auto_close.obj(), NULL); |
| base::android::CheckException(env); |
| for (size_t i = 0; i < file_count; ++i) { |
| const content::FileDescriptorInfo& fd_info = files_to_register[i]; |
| file_ids[i] = fd_info.id; |
| file_fds[i] = fd_info.fd.fd; |
| file_auto_close[i] = fd_info.fd.auto_close; |
| } |
| env->ReleaseIntArrayElements(j_file_ids.obj(), file_ids, 0); |
| env->ReleaseIntArrayElements(j_file_fds.obj(), file_fds, 0); |
| env->ReleaseBooleanArrayElements(j_file_auto_close.obj(), file_auto_close, 0); |
| |
| Java_ChildProcessLauncher_start(env, |
| base::android::GetApplicationContext(), |
| j_argv.obj(), |
| j_file_ids.obj(), |
| j_file_fds.obj(), |
| j_file_auto_close.obj(), |
| reinterpret_cast<jint>(new StartChildProcessCallback(callback))); |
| } |
| |
| void StopChildProcess(base::ProcessHandle handle) { |
| JNIEnv* env = AttachCurrentThread(); |
| DCHECK(env); |
| Java_ChildProcessLauncher_stop(env, static_cast<jint>(handle)); |
| } |
| |
| void EstablishSurfacePeer( |
| JNIEnv* env, jclass clazz, |
| jint pid, jobject surface, jint primary_id, jint secondary_id) { |
| ScopedJavaGlobalRef<jobject> jsurface; |
| jsurface.Reset(env, surface); |
| if (jsurface.is_null()) |
| return; |
| |
| DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind( |
| &SetSurfacePeer, jsurface, pid, primary_id, secondary_id)); |
| } |
| |
| jobject GetViewSurface(JNIEnv* env, jclass clazz, jint surface_id) { |
| // This is a synchronous call from the GPU process and is expected to be |
| // handled on a binder thread. Handling this on the UI thread will lead |
| // to deadlocks. |
| DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| return CompositorImpl::GetSurface(surface_id); |
| } |
| |
| jboolean IsSingleProcess(JNIEnv* env, jclass clazz) { |
| return CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess); |
| } |
| |
| bool RegisterChildProcessLauncher(JNIEnv* env) { |
| return RegisterNativesImpl(env); |
| } |
| |
| } // namespace content |