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(DISABLE_NACL)
  26 #include "components/nacl/common/nacl_switches.h"
  27 #if defined(OS_LINUX)
  28 #include "components/nacl/common/nacl_paths.h"
  29 #endif  // OS_LINUX
  30 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
  31 #include "components/nacl/zygote/nacl_fork_delegate_linux.h"
  32 #endif  // OS_POSIX && !OS_MACOSX && !OS_ANDROID
  33 #endif  // !DISABLE_NACL
  34
  35 namespace {
  36
  37 void InitLogging() {
  38   base::FilePath log_filename;
  39   PathService::Get(base::DIR_EXE, &log_filename);
  40   log_filename = log_filename.AppendASCII("app_shell.log");
  41   logging::LoggingSettings settings;
  42   settings.logging_dest = logging::LOG_TO_ALL;
  43   settings.log_file = log_filename.value().c_str();
  44   settings.delete_old = logging::DELETE_OLD_LOG_FILE;
  45   logging::InitLogging(settings);
  46   logging::SetLogItems(true, true, true, true);
  47 }
  48
  49 }  // namespace
  50
  51 namespace extensions {
  52
  53 ShellMainDelegate::ShellMainDelegate() {
  54 }
  55
  56 ShellMainDelegate::~ShellMainDelegate() {
  57 }
  58
  59 bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
  60   InitLogging();
  61   content_client_.reset(CreateContentClient());
  62   SetContentClient(content_client_.get());
  63
  64 #if defined(OS_CHROMEOS)
  65   chromeos::RegisterPathProvider();
  66 #endif
  67 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
  68   nacl::RegisterPathProvider();
  69 #endif
  70   extensions::RegisterPathProvider();
  71   return false;
  72 }
  73
  74 void ShellMainDelegate::PreSandboxStartup() {
  75   std::string process_type =
  76       CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
  77           switches::kProcessType);
  78   if (ProcessNeedsResourceBundle(process_type))
  79     InitializeResourceBundle();
  80 }
  81
  82 content::ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
  83   browser_client_.reset(CreateShellContentBrowserClient());
  84   return browser_client_.get();
  85 }
  86
  87 content::ContentRendererClient*
  88 ShellMainDelegate::CreateContentRendererClient() {
  89   renderer_client_.reset(CreateShellContentRendererClient());
  90   return renderer_client_.get();
  91 }
  92
  93 content::ContentUtilityClient* ShellMainDelegate::CreateContentUtilityClient() {
  94   utility_client_.reset(CreateShellContentUtilityClient());
  95   return utility_client_.get();
  96 }
  97
  98 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
  99 void ShellMainDelegate::ZygoteStarting(
 100     ScopedVector<content::ZygoteForkDelegate>* delegates) {
 101 #if !defined(DISABLE_NACL)
 102   nacl::AddNaClZygoteForkDelegates(delegates);
 103 #endif  // DISABLE_NACL
 104 }
 105 #endif  // OS_POSIX && !OS_MACOSX && !OS_ANDROID
 106
 107 content::ContentClient* ShellMainDelegate::CreateContentClient() {
 108   return new ShellContentClient();
 109 }
 110
 111 content::ContentBrowserClient*
 112 ShellMainDelegate::CreateShellContentBrowserClient() {
 113   return new ShellContentBrowserClient(new DefaultShellBrowserMainDelegate());
 114 }
 115
 116 content::ContentRendererClient*
 117 ShellMainDelegate::CreateShellContentRendererClient() {
 118   return new ShellContentRendererClient();
 119 }
 120
 121 content::ContentUtilityClient*
 122 ShellMainDelegate::CreateShellContentUtilityClient() {
 123   return new ShellContentUtilityClient();
 124 }
 125
 126 void ShellMainDelegate::InitializeResourceBundle() {
 127   base::FilePath extensions_shell_and_test_pak_path;
 128   PathService::Get(base::DIR_MODULE, &extensions_shell_and_test_pak_path);
 129   ui::ResourceBundle::InitSharedInstanceWithPakPath(
 130       extensions_shell_and_test_pak_path.AppendASCII(
 131           "extensions_shell_and_test.pak"));
 132 }
 133
 134 // static
 135 bool ShellMainDelegate::ProcessNeedsResourceBundle(
 136     const std::string& process_type) {
 137   // The browser process has no process type flag, but needs resources.
 138   // On Linux the zygote process opens the resources for the renderers.
 139   return process_type.empty() ||
 140          process_type == switches::kZygoteProcess ||
 141          process_type == switches::kRendererProcess ||
 142 #if !defined(DISABLE_NACL)
 143          process_type == switches::kNaClLoaderProcess ||
 144 #endif
 145 #if defined(OS_MACOSX)
 146          process_type == switches::kGpuProcess ||
 147 #endif
 148          process_type == switches::kUtilityProcess;
 149 }
 150
 151 }  // namespace extensions