// 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 "libcef/common/main_delegate.h" #if defined(OS_LINUX) #include #endif #include "libcef/browser/browser_message_loop.h" #include "libcef/browser/content_browser_client.h" #include "libcef/browser/context.h" #include "libcef/common/cef_switches.h" #include "libcef/common/command_line_impl.h" #include "libcef/common/crash_reporting.h" #include "libcef/common/extensions/extensions_util.h" #include "libcef/renderer/content_renderer_client.h" #include "libcef/utility/content_utility_client.h" #include "base/at_exit.h" #include "base/base_switches.h" #include "base/command_line.h" #include "base/files/file_path.h" #include "base/files/file_util.h" #include "base/path_service.h" #include "base/stl_util.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_util.h" #include "base/synchronization/waitable_event.h" #include "base/threading/thread.h" #include "chrome/browser/browser_process.h" #include "chrome/child/pdf_child_init.h" #include "chrome/common/chrome_constants.h" #include "chrome/common/chrome_paths.h" #include "chrome/common/chrome_switches.h" #include "components/content_settings/core/common/content_settings_pattern.h" #include "components/viz/common/features.h" #include "content/browser/browser_process_sub_thread.h" #include "content/browser/scheduler/browser_task_executor.h" #include "content/public/browser/browser_main_runner.h" #include "content/public/browser/render_process_host.h" #include "content/public/common/content_features.h" #include "content/public/common/content_switches.h" #include "content/public/common/main_function_params.h" #include "extensions/common/constants.h" #include "ipc/ipc_buildflags.h" #include "pdf/pdf_ppapi.h" #include "services/service_manager/sandbox/switches.h" #include "ui/base/layout.h" #include "ui/base/resource/resource_bundle.h" #include "ui/base/ui_base_paths.h" #include "ui/base/ui_base_switches.h" #if BUILDFLAG(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 "libcef/common/cef_message_generator.h" #endif #if defined(OS_WIN) #include #include "base/win/registry.h" #endif #if defined(OS_MACOSX) #include "base/mac/bundle_locations.h" #include "base/mac/foundation_util.h" #include "content/public/common/content_paths.h" #include "libcef/common/util_mac.h" #endif #if defined(OS_LINUX) #include "base/environment.h" #include "base/nix/xdg_util.h" #endif namespace { const char* const kNonWildcardDomainNonPortSchemes[] = { extensions::kExtensionScheme}; const size_t kNonWildcardDomainNonPortSchemesSize = base::size(kNonWildcardDomainNonPortSchemes); #if defined(OS_MACOSX) base::FilePath GetResourcesFilePath() { return util_mac::GetFrameworkResourcesDirectory(); } // Use a "~/Library/Logs/_debug.log" file where is the name // of the running executable. base::FilePath GetDefaultLogFile() { std::string exe_name = util_mac::GetMainProcessPath().BaseName().value(); return base::mac::GetUserLibraryPath() .Append(FILE_PATH_LITERAL("Logs")) .Append(FILE_PATH_LITERAL(exe_name + "_debug.log")); } void OverrideFrameworkBundlePath() { base::FilePath framework_path = util_mac::GetFrameworkDirectory(); DCHECK(!framework_path.empty()); base::mac::SetOverrideFrameworkBundlePath(framework_path); } void OverrideOuterBundlePath() { base::FilePath bundle_path = util_mac::GetMainBundlePath(); DCHECK(!bundle_path.empty()); base::mac::SetOverrideOuterBundlePath(bundle_path); } void OverrideBaseBundleID() { std::string bundle_id = util_mac::GetMainBundleID(); DCHECK(!bundle_id.empty()); base::mac::SetBaseBundleID(bundle_id.c_str()); } void OverrideChildProcessPath() { base::FilePath child_process_path = base::CommandLine::ForCurrentProcess()->GetSwitchValuePath( switches::kBrowserSubprocessPath); if (child_process_path.empty()) { child_process_path = util_mac::GetChildProcessPath(); DCHECK(!child_process_path.empty()); } // Used by ChildProcessHost::GetChildPath and PlatformCrashpadInitialization. base::PathService::Override(content::CHILD_PROCESS_EXE, child_process_path); } #else // !defined(OS_MACOSX) base::FilePath GetResourcesFilePath() { base::FilePath pak_dir; base::PathService::Get(base::DIR_ASSETS, &pak_dir); return pak_dir; } // Use a "debug.log" file in the running executable's directory. base::FilePath GetDefaultLogFile() { base::FilePath log_path; base::PathService::Get(base::DIR_EXE, &log_path); return log_path.Append(FILE_PATH_LITERAL("debug.log")); } #endif // !defined(OS_MACOSX) #if defined(OS_WIN) // Gets the Flash path if installed on the system. bool GetSystemFlashFilename(base::FilePath* out_path) { const wchar_t kPepperFlashRegistryRoot[] = L"SOFTWARE\\Macromedia\\FlashPlayerPepper"; const wchar_t kFlashPlayerPathValueName[] = L"PlayerPath"; base::win::RegKey path_key(HKEY_LOCAL_MACHINE, kPepperFlashRegistryRoot, KEY_READ); base::string16 path_str; if (FAILED(path_key.ReadValue(kFlashPlayerPathValueName, &path_str))) return false; *out_path = base::FilePath(path_str); return true; } #elif defined(OS_MACOSX) const base::FilePath::CharType kPepperFlashSystemBaseDirectory[] = FILE_PATH_LITERAL("Internet Plug-Ins/PepperFlashPlayer"); #endif void OverridePepperFlashSystemPluginPath() { base::FilePath plugin_filename; #if defined(OS_WIN) if (!GetSystemFlashFilename(&plugin_filename)) return; #elif defined(OS_MACOSX) if (!util_mac::GetLocalLibraryDirectory(&plugin_filename)) return; plugin_filename = plugin_filename.Append(kPepperFlashSystemBaseDirectory) .Append(chrome::kPepperFlashPluginFilename); #else // A system plugin is not available on other platforms. return; #endif if (!plugin_filename.empty()) { base::PathService::Override(chrome::FILE_PEPPER_FLASH_SYSTEM_PLUGIN, plugin_filename); } } #if defined(OS_LINUX) // Based on chrome/common/chrome_paths_linux.cc. // See http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html // for a spec on where config files go. The net effect for most // systems is we use ~/.config/chromium/ for Chromium and // ~/.config/google-chrome/ for official builds. // (This also helps us sidestep issues with other apps grabbing ~/.chromium .) bool GetDefaultUserDataDirectory(base::FilePath* result) { std::unique_ptr env(base::Environment::Create()); base::FilePath config_dir(base::nix::GetXDGDirectory( env.get(), base::nix::kXdgConfigHomeEnvVar, base::nix::kDotConfigDir)); *result = config_dir.Append(FILE_PATH_LITERAL("cef_user_data")); return true; } #elif defined(OS_MACOSX) // Based on chrome/common/chrome_paths_mac.mm. bool GetDefaultUserDataDirectory(base::FilePath* result) { if (!base::PathService::Get(base::DIR_APP_DATA, result)) return false; *result = result->Append(FILE_PATH_LITERAL("CEF")); *result = result->Append(FILE_PATH_LITERAL("User Data")); return true; } #elif defined(OS_WIN) // Based on chrome/common/chrome_paths_win.cc. bool GetDefaultUserDataDirectory(base::FilePath* result) { if (!base::PathService::Get(base::DIR_LOCAL_APP_DATA, result)) return false; *result = result->Append(FILE_PATH_LITERAL("CEF")); *result = result->Append(FILE_PATH_LITERAL("User Data")); return true; } #endif base::FilePath GetUserDataPath() { const CefSettings& settings = CefContext::Get()->settings(); if (settings.user_data_path.length > 0) return base::FilePath(CefString(&settings.user_data_path)); base::FilePath result; if (GetDefaultUserDataDirectory(&result)) return result; if (base::PathService::Get(base::DIR_TEMP, &result)) return result; NOTREACHED(); return result; } // Returns true if |scale_factor| is supported by this platform. // Same as ui::ResourceBundle::IsScaleFactorSupported. bool IsScaleFactorSupported(ui::ScaleFactor scale_factor) { const std::vector& supported_scale_factors = ui::GetSupportedScaleFactors(); return std::find(supported_scale_factors.begin(), supported_scale_factors.end(), scale_factor) != supported_scale_factors.end(); } #if defined(OS_LINUX) // Look for binary files (*.bin, *.dat, *.pak, chrome-sandbox, libGLESv2.so, // libEGL.so, locales/*.pak, swiftshader/*.so) next to libcef instead of the exe // on Linux. This is already the default on Windows. void OverrideAssetPath() { Dl_info dl_info; if (dladdr(reinterpret_cast(&OverrideAssetPath), &dl_info)) { base::FilePath path = base::FilePath(dl_info.dli_fname).DirName(); base::PathService::Override(base::DIR_ASSETS, path); } } #endif } // namespace // Used to run the UI on a separate thread. class CefUIThread : public base::PlatformThread::Delegate { public: explicit CefUIThread(base::OnceClosure setup_callback) : setup_callback_(std::move(setup_callback)) {} ~CefUIThread() override { Stop(); } void Start() { base::AutoLock lock(thread_lock_); bool success = base::PlatformThread::CreateWithPriority( 0, this, &thread_, base::ThreadPriority::NORMAL); if (!success) { LOG(FATAL) << "failed to UI create thread"; } } void Stop() { base::AutoLock lock(thread_lock_); if (!stopping_) { stopping_ = true; base::PostTaskWithTraits( FROM_HERE, {content::BrowserThread::UI}, base::BindOnce(&CefUIThread::ThreadQuitHelper, Unretained(this))); } // Can't join if the |thread_| is either already gone or is non-joinable. if (thread_.is_null()) return; base::PlatformThread::Join(thread_); thread_ = base::PlatformThreadHandle(); stopping_ = false; } bool WaitUntilThreadStarted() const { DCHECK(owning_sequence_checker_.CalledOnValidSequence()); start_event_.Wait(); return true; } void InitializeBrowserRunner( const content::MainFunctionParams& main_function_params) { // Use our own browser process runner. browser_runner_ = content::BrowserMainRunner::Create(); // Initialize browser process state. Uses the current thread's message loop. int exit_code = browser_runner_->Initialize(main_function_params); CHECK_EQ(exit_code, -1); } protected: void ThreadMain() override { base::PlatformThread::SetName("CefUIThread"); #if defined(OS_WIN) // Initializes the COM library on the current thread. CoInitialize(NULL); #endif start_event_.Signal(); std::move(setup_callback_).Run(); base::RunLoop run_loop; run_loop_ = &run_loop; run_loop.Run(); browser_runner_->Shutdown(); browser_runner_.reset(NULL); content::BrowserTaskExecutor::Shutdown(); // Run exit callbacks on the UI thread to avoid sequence check failures. base::AtExitManager::ProcessCallbacksNow(); #if defined(OS_WIN) // Closes the COM library on the current thread. CoInitialize must // be balanced by a corresponding call to CoUninitialize. CoUninitialize(); #endif run_loop_ = nullptr; } void ThreadQuitHelper() { DCHECK(run_loop_); run_loop_->QuitWhenIdle(); } std::unique_ptr browser_runner_; base::OnceClosure setup_callback_; bool stopping_ = false; // The thread's handle. base::PlatformThreadHandle thread_; mutable base::Lock thread_lock_; // Protects |thread_|. base::RunLoop* run_loop_ = nullptr; mutable base::WaitableEvent start_event_; // This class is not thread-safe, use this to verify access from the owning // sequence of the Thread. base::SequenceChecker owning_sequence_checker_; }; CefMainDelegate::CefMainDelegate(CefRefPtr application) : content_client_(application) { // Necessary so that exported functions from base_impl.cc will be included // in the binary. extern void base_impl_stub(); base_impl_stub(); #if defined(OS_LINUX) OverrideAssetPath(); #endif } CefMainDelegate::~CefMainDelegate() {} void CefMainDelegate::PreCreateMainMessageLoop() { InitMessagePumpFactoryForUI(); } bool CefMainDelegate::BasicStartupComplete(int* exit_code) { base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); std::string process_type = command_line->GetSwitchValueASCII(switches::kProcessType); #if defined(OS_POSIX) // Read the crash configuration file. Platforms using Breakpad also add a // command-line switch. On Windows this is done from chrome_elf. crash_reporting::BasicStartupComplete(command_line); #endif if (process_type.empty()) { // In the browser process. Populate the global command-line object. const CefSettings& settings = CefContext::Get()->settings(); if (settings.command_line_args_disabled) { // Remove any existing command-line arguments. base::CommandLine::StringVector argv; argv.push_back(command_line->GetProgram().value()); command_line->InitFromArgv(argv); const base::CommandLine::SwitchMap& map = command_line->GetSwitches(); const_cast(&map)->clear(); } bool no_sandbox = settings.no_sandbox ? true : false; if (settings.browser_subprocess_path.length > 0) { base::FilePath file_path = base::FilePath(CefString(&settings.browser_subprocess_path)); if (!file_path.empty()) { command_line->AppendSwitchPath(switches::kBrowserSubprocessPath, file_path); #if defined(OS_WIN) // The sandbox is not supported when using a separate subprocess // executable on Windows. no_sandbox = true; #endif } } #if defined(OS_MACOSX) if (settings.framework_dir_path.length > 0) { base::FilePath file_path = base::FilePath(CefString(&settings.framework_dir_path)); if (!file_path.empty()) command_line->AppendSwitchPath(switches::kFrameworkDirPath, file_path); } #endif if (no_sandbox) command_line->AppendSwitch(service_manager::switches::kNoSandbox); if (settings.user_agent.length > 0) { command_line->AppendSwitchASCII(switches::kUserAgent, CefString(&settings.user_agent)); } else if (settings.product_version.length > 0) { command_line->AppendSwitchASCII(switches::kProductVersion, CefString(&settings.product_version)); } if (settings.locale.length > 0) { command_line->AppendSwitchASCII(switches::kLang, CefString(&settings.locale)); } else if (!command_line->HasSwitch(switches::kLang)) { command_line->AppendSwitchASCII(switches::kLang, "en-US"); } base::FilePath log_file; bool has_log_file_cmdline = false; if (settings.log_file.length > 0) log_file = base::FilePath(CefString(&settings.log_file)); if (log_file.empty() && command_line->HasSwitch(switches::kLogFile)) { log_file = command_line->GetSwitchValuePath(switches::kLogFile); if (!log_file.empty()) has_log_file_cmdline = true; } if (log_file.empty()) log_file = GetDefaultLogFile(); DCHECK(!log_file.empty()); if (!has_log_file_cmdline) command_line->AppendSwitchPath(switches::kLogFile, log_file); if (settings.log_severity != LOGSEVERITY_DEFAULT) { std::string log_severity; switch (settings.log_severity) { case LOGSEVERITY_VERBOSE: log_severity = switches::kLogSeverity_Verbose; break; case LOGSEVERITY_INFO: log_severity = switches::kLogSeverity_Info; break; case LOGSEVERITY_WARNING: log_severity = switches::kLogSeverity_Warning; break; case LOGSEVERITY_ERROR: log_severity = switches::kLogSeverity_Error; break; case LOGSEVERITY_FATAL: log_severity = switches::kLogSeverity_Fatal; break; case LOGSEVERITY_DISABLE: log_severity = switches::kLogSeverity_Disable; break; default: break; } if (!log_severity.empty()) command_line->AppendSwitchASCII(switches::kLogSeverity, log_severity); } if (settings.javascript_flags.length > 0) { command_line->AppendSwitchASCII(switches::kJavaScriptFlags, CefString(&settings.javascript_flags)); } if (settings.pack_loading_disabled) { command_line->AppendSwitch(switches::kDisablePackLoading); } else { if (settings.resources_dir_path.length > 0) { base::FilePath file_path = base::FilePath(CefString(&settings.resources_dir_path)); if (!file_path.empty()) { command_line->AppendSwitchPath(switches::kResourcesDirPath, file_path); } } if (settings.locales_dir_path.length > 0) { base::FilePath file_path = base::FilePath(CefString(&settings.locales_dir_path)); if (!file_path.empty()) command_line->AppendSwitchPath(switches::kLocalesDirPath, file_path); } } if (settings.remote_debugging_port >= 1024 && settings.remote_debugging_port <= 65535) { command_line->AppendSwitchASCII( switches::kRemoteDebuggingPort, base::NumberToString(settings.remote_debugging_port)); } if (settings.uncaught_exception_stack_size > 0) { command_line->AppendSwitchASCII( switches::kUncaughtExceptionStackSize, base::NumberToString(settings.uncaught_exception_stack_size)); } std::vector disable_features; if (settings.windowless_rendering_enabled) { // Disable VizDisplayCompositor when OSR is enabled until // we have implemented Viz support if (features::kVizDisplayCompositor.default_state == base::FEATURE_ENABLED_BY_DEFAULT) { disable_features.push_back(features::kVizDisplayCompositor.name); } } if (!disable_features.empty()) { DCHECK(!base::FeatureList::GetInstance()); std::string disable_features_str = command_line->GetSwitchValueASCII(switches::kDisableFeatures); for (auto feature_str : disable_features) { if (!disable_features_str.empty()) disable_features_str += ","; disable_features_str += feature_str; } command_line->AppendSwitchASCII(switches::kDisableFeatures, disable_features_str); } } if (content_client_.application().get()) { // Give the application a chance to view/modify the command line. CefRefPtr commandLinePtr( new CefCommandLineImpl(command_line, false, false)); content_client_.application()->OnBeforeCommandLineProcessing( CefString(process_type), commandLinePtr.get()); commandLinePtr->Detach(NULL); } // Initialize logging. logging::LoggingSettings log_settings; const base::FilePath& log_file = command_line->GetSwitchValuePath(switches::kLogFile); DCHECK(!log_file.empty()); log_settings.log_file = log_file.value().c_str(); log_settings.lock_log = logging::DONT_LOCK_LOG_FILE; log_settings.delete_old = logging::APPEND_TO_OLD_LOG_FILE; logging::LogSeverity log_severity = logging::LOG_INFO; std::string log_severity_str = command_line->GetSwitchValueASCII(switches::kLogSeverity); if (!log_severity_str.empty()) { if (base::LowerCaseEqualsASCII(log_severity_str, switches::kLogSeverity_Verbose)) { log_severity = logging::LOG_VERBOSE; } else if (base::LowerCaseEqualsASCII(log_severity_str, switches::kLogSeverity_Warning)) { log_severity = logging::LOG_WARNING; } else if (base::LowerCaseEqualsASCII(log_severity_str, switches::kLogSeverity_Error)) { log_severity = logging::LOG_ERROR; } else if (base::LowerCaseEqualsASCII(log_severity_str, switches::kLogSeverity_Fatal)) { log_severity = logging::LOG_FATAL; } else if (base::LowerCaseEqualsASCII(log_severity_str, switches::kLogSeverity_Disable)) { log_severity = LOGSEVERITY_DISABLE; } } if (log_severity == LOGSEVERITY_DISABLE) { log_settings.logging_dest = logging::LOG_NONE; // By default, ERROR and FATAL messages will always be output to stderr due // to the kAlwaysPrintErrorLevel value in base/logging.cc. We change the log // level here so that only FATAL messages are output. logging::SetMinLogLevel(logging::LOG_FATAL); } else { log_settings.logging_dest = logging::LOG_TO_ALL; logging::SetMinLogLevel(log_severity); } logging::InitLogging(log_settings); ContentSettingsPattern::SetNonWildcardDomainNonPortSchemes( kNonWildcardDomainNonPortSchemes, kNonWildcardDomainNonPortSchemesSize); content::SetContentClient(&content_client_); #if defined(OS_MACOSX) OverrideFrameworkBundlePath(); OverrideOuterBundlePath(); OverrideBaseBundleID(); #endif return false; } void CefMainDelegate::PreSandboxStartup() { const base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); const std::string& process_type = command_line->GetSwitchValueASCII(switches::kProcessType); if (process_type.empty()) { // Only override these paths when executing the main process. #if defined(OS_MACOSX) OverrideChildProcessPath(); #endif OverridePepperFlashSystemPluginPath(); const base::FilePath& user_data_path = GetUserDataPath(); base::PathService::Override(chrome::DIR_USER_DATA, user_data_path); // Path used for crash dumps. base::PathService::Override(chrome::DIR_CRASH_DUMPS, user_data_path); // Path used for spell checking dictionary files. base::PathService::OverrideAndCreateIfNeeded( chrome::DIR_APP_DICTIONARIES, user_data_path.AppendASCII("Dictionaries"), false, // May not be an absolute path. true); // Create if necessary. } if (command_line->HasSwitch(switches::kDisablePackLoading)) content_client_.set_pack_loading_disabled(true); // Initialize crash reporting state for this process/module. // chrome::DIR_CRASH_DUMPS must be configured before calling this function. crash_reporting::PreSandboxStartup(*command_line, process_type); InitializeResourceBundle(); InitializePDF(); } void CefMainDelegate::SandboxInitialized(const std::string& process_type) { CefContentClient::SetPDFEntryFunctions(chrome_pdf::PPP_GetInterface, chrome_pdf::PPP_InitializeModule, chrome_pdf::PPP_ShutdownModule); } int CefMainDelegate::RunProcess( const std::string& process_type, const content::MainFunctionParams& main_function_params) { if (process_type.empty()) { const CefSettings& settings = CefContext::Get()->settings(); if (!settings.multi_threaded_message_loop) { // Use our own browser process runner. browser_runner_ = content::BrowserMainRunner::Create(); // Initialize browser process state. Results in a call to // CefBrowserMain::PreMainMessageLoopStart() which creates the UI message // loop. int exit_code = browser_runner_->Initialize(main_function_params); if (exit_code >= 0) return exit_code; } else { // Running on the separate UI thread. DCHECK(ui_thread_); ui_thread_->InitializeBrowserRunner(main_function_params); } return 0; } return -1; } bool CefMainDelegate::CreateUIThread(base::OnceClosure setup_callback) { DCHECK(!ui_thread_); std::unique_ptr thread; thread.reset(new CefUIThread(std::move(setup_callback))); thread->Start(); thread->WaitUntilThreadStarted(); ui_thread_.swap(thread); InitMessagePumpFactoryForUI(); return true; } void CefMainDelegate::ProcessExiting(const std::string& process_type) { ui::ResourceBundle::CleanupSharedInstance(); } #if defined(OS_LINUX) void CefMainDelegate::ZygoteForked() { base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); const std::string& process_type = command_line->GetSwitchValueASCII(switches::kProcessType); // Initialize crash reporting state for the newly forked process. crash_reporting::ZygoteForked(command_line, process_type); } #endif content::ContentBrowserClient* CefMainDelegate::CreateContentBrowserClient() { browser_client_.reset(new CefContentBrowserClient); return browser_client_.get(); } content::ContentRendererClient* CefMainDelegate::CreateContentRendererClient() { renderer_client_.reset(new CefContentRendererClient); return renderer_client_.get(); } content::ContentUtilityClient* CefMainDelegate::CreateContentUtilityClient() { utility_client_.reset(new CefContentUtilityClient); return utility_client_.get(); } void CefMainDelegate::ShutdownBrowser() { if (browser_runner_.get()) { browser_runner_->Shutdown(); browser_runner_.reset(NULL); } if (ui_thread_.get()) { // Blocks until the thread has stopped. ui_thread_->Stop(); ui_thread_.reset(); } } void CefMainDelegate::InitializeResourceBundle() { const base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); base::FilePath cef_pak_file, cef_100_percent_pak_file, cef_200_percent_pak_file, cef_extensions_pak_file, devtools_pak_file, locales_dir; base::FilePath resources_dir; if (command_line->HasSwitch(switches::kResourcesDirPath)) { resources_dir = command_line->GetSwitchValuePath(switches::kResourcesDirPath); } if (resources_dir.empty()) resources_dir = GetResourcesFilePath(); if (!resources_dir.empty()) base::PathService::Override(chrome::DIR_RESOURCES, resources_dir); if (!content_client_.pack_loading_disabled()) { if (!resources_dir.empty()) { CHECK(resources_dir.IsAbsolute()); cef_pak_file = resources_dir.Append(FILE_PATH_LITERAL("cef.pak")); cef_100_percent_pak_file = resources_dir.Append(FILE_PATH_LITERAL("cef_100_percent.pak")); cef_200_percent_pak_file = resources_dir.Append(FILE_PATH_LITERAL("cef_200_percent.pak")); cef_extensions_pak_file = resources_dir.Append(FILE_PATH_LITERAL("cef_extensions.pak")); devtools_pak_file = resources_dir.Append(FILE_PATH_LITERAL("devtools_resources.pak")); } if (command_line->HasSwitch(switches::kLocalesDirPath)) locales_dir = command_line->GetSwitchValuePath(switches::kLocalesDirPath); if (!locales_dir.empty()) base::PathService::Override(ui::DIR_LOCALES, locales_dir); } std::string locale = command_line->GetSwitchValueASCII(switches::kLang); DCHECK(!locale.empty()); const std::string loaded_locale = ui::ResourceBundle::InitSharedInstanceWithLocale( locale, &content_client_, ui::ResourceBundle::LOAD_COMMON_RESOURCES); if (!loaded_locale.empty() && g_browser_process) g_browser_process->SetApplicationLocale(loaded_locale); ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance(); if (!content_client_.pack_loading_disabled()) { if (loaded_locale.empty()) LOG(ERROR) << "Could not load locale pak for " << locale; content_client_.set_allow_pack_file_load(true); if (base::PathExists(cef_pak_file)) { resource_bundle.AddDataPackFromPath(cef_pak_file, ui::SCALE_FACTOR_NONE); } else { LOG(ERROR) << "Could not load cef.pak"; } // On OS X and Linux/Aura always load the 1x data pack first as the 2x data // pack contains both 1x and 2x images. const bool load_100_percent = #if defined(OS_WIN) IsScaleFactorSupported(ui::SCALE_FACTOR_100P); #else true; #endif if (load_100_percent) { if (base::PathExists(cef_100_percent_pak_file)) { resource_bundle.AddDataPackFromPath(cef_100_percent_pak_file, ui::SCALE_FACTOR_100P); } else { LOG(ERROR) << "Could not load cef_100_percent.pak"; } } if (IsScaleFactorSupported(ui::SCALE_FACTOR_200P)) { if (base::PathExists(cef_200_percent_pak_file)) { resource_bundle.AddDataPackFromPath(cef_200_percent_pak_file, ui::SCALE_FACTOR_200P); } else { LOG(ERROR) << "Could not load cef_200_percent.pak"; } } if (extensions::ExtensionsEnabled() || !command_line->HasSwitch(switches::kDisablePlugins)) { if (base::PathExists(cef_extensions_pak_file)) { resource_bundle.AddDataPackFromPath(cef_extensions_pak_file, ui::SCALE_FACTOR_NONE); } else { LOG(ERROR) << "Could not load cef_extensions.pak"; } } if (base::PathExists(devtools_pak_file)) { resource_bundle.AddDataPackFromPath(devtools_pak_file, ui::SCALE_FACTOR_NONE); } content_client_.set_allow_pack_file_load(false); } }