Renamed Sandboxed process to Child process

content/browser/android/sandboxed_process_launcher.cc

-// 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/sandboxed_process_launcher.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/android/media_player_manager_android.h"
-#include "content/browser/renderer_host/compositor_impl_android.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/common/android/scoped_java_surface.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_process_host.h"
-#include "jni/SandboxedProcessLauncher_jni.h"
-#include "media/base/android/media_player_bridge.h"
-
-using base::android::AttachCurrentThread;
-using base::android::ToJavaArrayOfStrings;
-using base::android::ScopedJavaGlobalRef;
-using base::android::ScopedJavaLocalRef;
-using content::StartSandboxedProcessCallback;
-
-namespace content {
-
-namespace {
-
-// Pass a java surface object to the MediaPlayerBridge 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::MediaPlayerBridge* player =
-          host->media_player_manager()->GetPlayer(player_id);
-      if (player &&
-          player != host->media_player_manager()->GetFullscreenPlayer()) {
-        ScopedJavaSurface scoped_surface(surface);
-        player->SetVideoSurface(scoped_surface.j_surface().obj());
-      }
-    }
-  }
-}
-
-}  // anonymous namespace
-
-// Called from SandboxedProcessLauncher.java when the SandboxedProcess was
-// started.
-// |client_context| is the pointer to StartSandboxedProcessCallback which was
-// passed in from StartSandboxedProcess.
-// |handle| is the processID of the child process as originated in Java, 0 if
-// the SandboxedProcess could not be created.
-static void OnSandboxedProcessStarted(JNIEnv*,
-                                      jclass,
-                                      jint client_context,
-                                      jint handle) {
-  StartSandboxedProcessCallback* callback =
-      reinterpret_cast<StartSandboxedProcessCallback*>(client_context);
-  if (handle)
-    callback->Run(static_cast<base::ProcessHandle>(handle));
-  delete callback;
-}
-
-void StartSandboxedProcess(
-    const CommandLine::StringVector& argv,
-    const std::vector<content::FileDescriptorInfo>& files_to_register,
-    const StartSandboxedProcessCallback& 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_SandboxedProcessLauncher_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 StartSandboxedProcessCallback(callback)));
-}
-
-void StopSandboxedProcess(base::ProcessHandle handle) {
-  JNIEnv* env = AttachCurrentThread();
-  DCHECK(env);
-  Java_SandboxedProcessLauncher_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);
-}
-
-bool RegisterSandboxedProcessLauncher(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace content