text: // 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/shell/app/shell_main_delegate.h"
  
  #include "base/command_line.h"
  #include "base/files/file_path.h"
  #include "base/logging.h"
  #include "base/path_service.h"
  #include "cc/base/switches.h"
  #include "content/public/browser/browser_main_runner.h"
  #include "content/public/common/content_switches.h"
  #include "content/public/common/url_constants.h"
  #include "content/public/test/layouttest_support.h"
  #include "content/shell/common/shell_switches.h"
  #include "content/shell/renderer/shell_content_renderer_client.h"
  #include "content/shell/shell_browser_main.h"
  #include "content/shell/shell_content_browser_client.h"
  #include "content/shell/webkit_test_platform_support.h"
  #include "net/cookies/cookie_monster.h"
  #include "ui/base/resource/resource_bundle.h"
  #include "ui/base/ui_base_paths.h"
  #include "ui/base/ui_base_switches.h"
  #include "ui/gl/gl_switches.h"
  
  #include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
  
  #if defined(IPC_MESSAGE_LOG_ENABLED)
  #define IPC_MESSAGE_MACROS_LOG_ENABLED
  #include "content/public/common/content_ipc_logging.h"
  #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
      content::RegisterIPCLogger(msg_id, logger)
  #include "content/shell/common/shell_messages.h"
  #endif
  
  #if defined(OS_ANDROID)
  #include "base/posix/global_descriptors.h"
  #include "content/shell/android/shell_descriptors.h"
  #endif
  
  #if defined(OS_MACOSX)
  #include "content/shell/paths_mac.h"
  #endif  // OS_MACOSX
  
  #if defined(OS_WIN)
  #include <initguid.h>
  #include "base/logging_win.h"
  #endif
  
  namespace {
  
  #if defined(OS_WIN)
  // If "Content Shell" doesn't show up in your list of trace providers in
  // Sawbuck, add these registry entries to your machine (NOTE the optional
  // Wow6432Node key for x64 machines):
  // 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
  // 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
  // 3. Add these values:
  //    "default_flags"=dword:00000001
  //    "default_level"=dword:00000004
  //    @="Content Shell"
  
  // {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
  const GUID kContentShellProviderName = {
      0x6a3e50a4, 0x7e15, 0x4099,
          { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
  #endif
  
  void InitLogging() {
    base::FilePath log_filename;
    PathService::Get(base::DIR_EXE, &log_filename);
    log_filename = log_filename.AppendASCII("content_shell.log");
    logging::LoggingSettings settings;
    settings.logging_dest = logging::LOG_TO_ALL;
    settings.log_file = log_filename.value().c_str();
    settings.delete_old = logging::DELETE_OLD_LOG_FILE;
    logging::InitLogging(settings);
    logging::SetLogItems(true, true, true, true);
  }
  
  }  // namespace
  
  namespace content {
  
  ShellMainDelegate::ShellMainDelegate() {
  }
  
  ShellMainDelegate::~ShellMainDelegate() {
  }
  
  bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
  #if defined(OS_WIN)
    // Enable trace control and transport through event tracing for Windows.
    logging::LogEventProvider::Initialize(kContentShellProviderName);
  #endif
  #if defined(OS_MACOSX)
    // Needs to happen before InitializeResourceBundle() and before
    // WebKitTestPlatformInitialize() are called.
    OverrideFrameworkBundlePath();
    OverrideChildProcessPath();
  #endif  // OS_MACOSX
  
    InitLogging();
    CommandLine& command_line = *CommandLine::ForCurrentProcess();
    if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
      if (!CheckLayoutSystemDeps()) {
        if (exit_code)
          *exit_code = 1;
        return true;
      }
    }
    if (command_line.HasSwitch(switches::kDumpRenderTree)) {
      EnableBrowserLayoutTestMode();
  
      command_line.AppendSwitch(switches::kProcessPerTab);
      command_line.AppendSwitch(switches::kEnableLogging);
      command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
  #if !defined(OS_ANDROID)
      // OSMesa is not yet available for Android. http://crbug.com/248925
      command_line.AppendSwitchASCII(
          switches::kUseGL, gfx::kGLImplementationOSMesaName);
  #endif
      command_line.AppendSwitch(switches::kSkipGpuDataLoading);
      command_line.AppendSwitch(switches::kDisableGpuVsync);
      command_line.AppendSwitch(switches::kEnableExperimentalWebKitFeatures);
      command_line.AppendSwitch(switches::kEnableCssShaders);
      command_line.AppendSwitchASCII(switches::kTouchEvents,
                                     switches::kTouchEventsEnabled);
      command_line.AppendSwitch(switches::kEnableGestureTapHighlight);
      command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
  #if defined(OS_ANDROID)
      // Capturing pixel results does not yet work when implementation-side
      // painting is enabled. See http://crbug.com/250777
      command_line.AppendSwitch(cc::switches::kDisableImplSidePainting);
  #endif
  
      if (!command_line.HasSwitch(switches::kEnableThreadedCompositing))
        command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
      if (command_line.HasSwitch(switches::kEnableSoftwareCompositing))
        command_line.AppendSwitch(switches::kEnableSoftwareCompositingGLAdapter);
  
      net::CookieMonster::EnableFileScheme();
  
      // Unless/until WebM files are added to the media layout tests, we need to
      // avoid removing MP4/H264/AAC so that layout tests can run on Android.
  #if !defined(OS_ANDROID)
      net::RemoveProprietaryMediaTypesAndCodecsForTests();
  #endif
  
      if (!WebKitTestPlatformInitialize()) {
        if (exit_code)
          *exit_code = 1;
        return true;
      }
    }
    SetContentClient(&content_client_);
    return false;
  }
  
  void ShellMainDelegate::PreSandboxStartup() {
    InitializeResourceBundle();
  }
  
  int ShellMainDelegate::RunProcess(
      const std::string& process_type,
      const MainFunctionParams& main_function_params) {
    if (!process_type.empty())
      return -1;
  
  #if !defined(OS_ANDROID)
    // Android stores the BrowserMainRunner instance as a scoped member pointer
    // on the ShellMainDelegate class because of different object lifetime.
    scoped_ptr<BrowserMainRunner> browser_runner_;
  #endif
  
    browser_runner_.reset(BrowserMainRunner::Create());
    return ShellBrowserMain(main_function_params, browser_runner_);
  }
  
  void ShellMainDelegate::InitializeResourceBundle() {
  #if defined(OS_ANDROID)
    // In the Android case, the renderer runs with a different UID and can never
    // access the file system.  So we are passed a file descriptor to the
    // ResourceBundle pak at launch time.
    int pak_fd =
        base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
    if (pak_fd != base::kInvalidPlatformFileValue) {
      ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
      ResourceBundle::GetSharedInstance().AddDataPackFromFile(
          pak_fd, ui::SCALE_FACTOR_100P);
      return;
    }
  #endif
  
    base::FilePath pak_file;
  #if defined(OS_MACOSX)
    pak_file = GetResourcesPakFilePath();
  #else
    base::FilePath pak_dir;
  
  #if defined(OS_ANDROID)
    bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
    DCHECK(got_path);
    pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
  #else
    PathService::Get(base::DIR_MODULE, &pak_dir);
  #endif
  
    pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
  #endif
    ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
  }
  
  ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
    browser_client_.reset(new ShellContentBrowserClient);
    return browser_client_.get();
  }
  
  ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
    renderer_client_.reset(new ShellContentRendererClient);
    return renderer_client_.get();
  }
  
  }  // namespace content
  