plugin_main.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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 "build/build_config.h"
6
7#if defined(OS_WIN)
8#include <windows.h>
9#endif
10
11#include "base/bind.h"
12#include "base/command_line.h"
13#include "base/hi_res_timer_manager.h"
14#include "base/message_loop.h"
15#include "base/string_util.h"
16#include "base/system_monitor/system_monitor.h"
17#include "base/threading/platform_thread.h"
18#include "content/common/child_process.h"
19#include "content/plugin/plugin_thread.h"
20#include "content/public/common/content_switches.h"
21#include "content/public/common/main_function_params.h"
22
23#if defined(OS_WIN)
24#include "base/win/scoped_com_initializer.h"
25#include "content/public/common/injection_test_win.h"
26#include "sandbox/win/src/sandbox.h"
27#elif defined(OS_POSIX) && !defined(OS_MACOSX)
28#include "base/posix/global_descriptors.h"
29#include "ipc/ipc_descriptors.h"
30#endif
31
32namespace content {
33
34#if defined(OS_MACOSX)
35// Removes our Carbon library interposing from the environment so that it
36// doesn't carry into any processes that plugins might start.
37void TrimInterposeEnvironment();
38
39// Initializes the global Cocoa application object.
40void InitializeChromeApplication();
41#elif defined(OS_LINUX)
42// Work around an unimplemented instruction in 64-bit Flash.
43void WorkaroundFlashLAHF();
44#endif
45
46// main() routine for running as the plugin process.
47int PluginMain(const MainFunctionParams& parameters) {
48  // The main thread of the plugin services UI.
49#if defined(OS_MACOSX)
50#if !defined(__LP64__)
51  TrimInterposeEnvironment();
52#endif
53  InitializeChromeApplication();
54#endif
55  MessageLoop main_message_loop(MessageLoop::TYPE_UI);
56  base::PlatformThread::SetName("CrPluginMain");
57
58  base::SystemMonitor system_monitor;
59  HighResolutionTimerManager high_resolution_timer_manager;
60
61  const CommandLine& parsed_command_line = parameters.command_line;
62
63#if defined(OS_LINUX)
64
65#if defined(ARCH_CPU_64_BITS)
66  WorkaroundFlashLAHF();
67#endif
68
69#elif defined(OS_WIN)
70  base::win::ScopedCOMInitializer com_initializer;
71#endif
72
73  if (parsed_command_line.HasSwitch(switches::kPluginStartupDialog)) {
74    ChildProcess::WaitForDebugger("Plugin");
75  }
76
77  {
78    ChildProcess plugin_process;
79    plugin_process.set_main_thread(new PluginThread());
80    MessageLoop::current()->Run();
81  }
82
83  return 0;
84}
85
86}  // namespace content
87