content/plugin/plugin_main.cc

   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/message_loop/message_loop.h"
  14 #include "base/strings/string_util.h"
  15 #include "base/threading/platform_thread.h"
  16 #include "base/timer/hi_res_timer_manager.h"
  17 #include "content/child/child_process.h"
  18 #include "content/common/content_constants_internal.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
  32 namespace 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.
  37 void TrimInterposeEnvironment();
  38
  39 // Initializes the global Cocoa application object.
  40 void InitializeChromeApplication();
  41 #elif defined(OS_LINUX)
  42 // Work around an unimplemented instruction in 64-bit Flash.
  43 void WorkaroundFlashLAHF();
  44 #endif
  45
  46 // main() routine for running as the plugin process.
  47 int 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   base::MessageLoopForUI main_message_loop;
  56   base::PlatformThread::SetName("CrPluginMain");
  57   base::debug::TraceLog::GetInstance()->SetProcessName("Plugin Process");
  58   base::debug::TraceLog::GetInstance()->SetProcessSortIndex(
  59       kTraceEventPluginProcessSortIndex);
  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     base::HighResolutionTimerManager hi_res_timer_manager;
  81     base::MessageLoop::current()->Run();
  82   }
  83
  84   return 0;
  85 }
  86
  87 }  // namespace content