extensions/shell/app/shell_main_delegate.cc

   1 // Copyright 2014 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 "extensions/shell/app/shell_main_delegate.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/files/file_path.h"
   9 #include "base/logging.h"
  10 #include "base/path_service.h"
  11 #include "content/public/browser/browser_main_runner.h"
  12 #include "content/public/common/content_switches.h"
  13 #include "extensions/common/extension_paths.h"
  14 #include "extensions/shell/browser/default_shell_browser_main_delegate.h"
  15 #include "extensions/shell/browser/shell_content_browser_client.h"
  16 #include "extensions/shell/common/shell_content_client.h"
  17 #include "extensions/shell/renderer/shell_content_renderer_client.h"
  18 #include "extensions/shell/utility/shell_content_utility_client.h"
  19 #include "ui/base/resource/resource_bundle.h"
  20
  21 #if defined(OS_CHROMEOS)
  22 #include "chromeos/chromeos_paths.h"
  23 #endif
  24
  25 #if defined(OS_MACOSX)
  26 #include "base/mac/foundation_util.h"
  27 #include "extensions/shell/app/paths_mac.h"
  28 #endif
  29
  30 #if !defined(DISABLE_NACL)
  31 #include "components/nacl/common/nacl_switches.h"
  32 #if defined(OS_LINUX)
  33 #include "components/nacl/common/nacl_paths.h"
  34 #endif  // OS_LINUX
  35 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
  36 #include "components/nacl/zygote/nacl_fork_delegate_linux.h"
  37 #endif  // OS_POSIX && !OS_MACOSX && !OS_ANDROID
  38 #endif  // !DISABLE_NACL
  39
  40 namespace {
  41
  42 void InitLogging() {
  43   base::FilePath log_filename;
  44   PathService::Get(base::DIR_EXE, &log_filename);
  45   log_filename = log_filename.AppendASCII("app_shell.log");
  46   logging::LoggingSettings settings;
  47   settings.logging_dest = logging::LOG_TO_ALL;
  48   settings.log_file = log_filename.value().c_str();
  49   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
  50   logging::InitLogging(settings);
  51   logging::SetLogItems(true, true, true, true);
  52 }
  53
  54 // Returns the path to the extensions_shell_and_test.pak file.
  55 base::FilePath GetResourcesPakFilePath() {
  56 #if defined(OS_MACOSX)
  57   return base::mac::PathForFrameworkBundleResource(
  58       CFSTR("extensions_shell_and_test.pak"));
  59 #else
  60   base::FilePath extensions_shell_and_test_pak_path;
  61   PathService::Get(base::DIR_MODULE, &extensions_shell_and_test_pak_path);
  62   extensions_shell_and_test_pak_path =
  63       extensions_shell_and_test_pak_path.AppendASCII(
  64           "extensions_shell_and_test.pak");
  65   return extensions_shell_and_test_pak_path;
  66 #endif  // OS_MACOSX
  67 }
  68
  69 }  // namespace
  70
  71 namespace extensions {
  72
  73 ShellMainDelegate::ShellMainDelegate() {
  74 }
  75
  76 ShellMainDelegate::~ShellMainDelegate() {
  77 }
  78
  79 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
  80   InitLogging();
  81   content_client_.reset(CreateContentClient());
  82   SetContentClient(content_client_.get());
  83
  84 #if defined(OS_MACOSX)
  85   OverrideChildProcessFilePath();
  86   // This must happen before InitializeResourceBundle.
  87   OverrideFrameworkBundlePath();
  88 #endif
  89
  90 #if defined(OS_CHROMEOS)
  91   chromeos::RegisterPathProvider();
  92 #endif
  93 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
  94   nacl::RegisterPathProvider();
  95 #endif
  96   extensions::RegisterPathProvider();
  97   return false;
  98 }
  99
 100 void ShellMainDelegate::PreSandboxStartup() {
 101   std::string process_type =
 102       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 103           switches::kProcessType);
 104   if (ProcessNeedsResourceBundle(process_type))
 105     InitializeResourceBundle();
 106 }
 107
 108 content::ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
 109   browser_client_.reset(CreateShellContentBrowserClient());
 110   return browser_client_.get();
 111 }
 112
 113 content::ContentRendererClient*
 114 ShellMainDelegate::CreateContentRendererClient() {
 115   renderer_client_.reset(CreateShellContentRendererClient());
 116   return renderer_client_.get();
 117 }
 118
 119 content::ContentUtilityClient* ShellMainDelegate::CreateContentUtilityClient() {
 120   utility_client_.reset(CreateShellContentUtilityClient());
 121   return utility_client_.get();
 122 }
 123
 124 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 125 void ShellMainDelegate::ZygoteStarting(
 126     ScopedVector<content::ZygoteForkDelegate>* delegates) {
 127 #if !defined(DISABLE_NACL)
 128   nacl::AddNaClZygoteForkDelegates(delegates);
 129 #endif  // DISABLE_NACL
 130 }
 131 #endif  // OS_POSIX && !OS_MACOSX && !OS_ANDROID
 132
 133 content::ContentClient* ShellMainDelegate::CreateContentClient() {
 134   return new ShellContentClient();
 135 }
 136
 137 content::ContentBrowserClient*
 138 ShellMainDelegate::CreateShellContentBrowserClient() {
 139   return new ShellContentBrowserClient(new DefaultShellBrowserMainDelegate());
 140 }
 141
 142 content::ContentRendererClient*
 143 ShellMainDelegate::CreateShellContentRendererClient() {
 144   return new ShellContentRendererClient();
 145 }
 146
 147 content::ContentUtilityClient*
 148 ShellMainDelegate::CreateShellContentUtilityClient() {
 149   return new ShellContentUtilityClient();
 150 }
 151
 152 void ShellMainDelegate::InitializeResourceBundle() {
 153   ui::ResourceBundle::InitSharedInstanceWithPakPath(
 154       GetResourcesPakFilePath());
 155 }
 156
 157 // static
 158 bool ShellMainDelegate::ProcessNeedsResourceBundle(
 159     const std::string& process_type) {
 160   // The browser process has no process type flag, but needs resources.
 161   // On Linux the zygote process opens the resources for the renderers.
 162   return process_type.empty() ||
 163          process_type == switches::kZygoteProcess ||
 164          process_type == switches::kRendererProcess ||
 165 #if !defined(DISABLE_NACL)
 166          process_type == switches::kNaClLoaderProcess ||
 167 #endif
 168 #if defined(OS_MACOSX)
 169          process_type == switches::kGpuProcess ||
 170 #endif
 171          process_type == switches::kUtilityProcess;
 172 }
 173
 174 }  // namespace extensions