312 lines
9.9 KiB
C++
312 lines
9.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/common/main_delegate.h"
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#include "libcef/browser/content_browser_client.h"
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#include "libcef/browser/context.h"
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#include "libcef/common/cef_switches.h"
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#include "libcef/common/command_line_impl.h"
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#include "libcef/plugin/content_plugin_client.h"
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#include "libcef/renderer/content_renderer_client.h"
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#include "libcef/utility/content_utility_client.h"
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#include "base/command_line.h"
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#include "base/file_path.h"
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#include "base/file_util.h"
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#include "base/path_service.h"
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#include "content/public/browser/browser_main_runner.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/common/content_switches.h"
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#include "ui/base/resource/resource_bundle.h"
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#include "ui/base/ui_base_paths.h"
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#if defined(OS_MACOSX)
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#include "base/mac/bundle_locations.h"
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#include "base/mac/foundation_util.h"
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#include "content/public/common/content_paths.h"
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namespace {
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FilePath GetFrameworksPath() {
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// Start out with the path to the running executable.
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FilePath path;
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PathService::Get(base::FILE_EXE, &path);
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// Up to Contents.
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if (base::mac::IsBackgroundOnlyProcess()) {
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// The running executable is the helper. Go up five steps:
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// Contents/Frameworks/Helper.app/Contents/MacOS/Helper
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// ^ to here ^ from here
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path = path.DirName().DirName().DirName().DirName().DirName();
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} else {
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// One step up to MacOS, another to Contents.
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path = path.DirName().DirName();
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}
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DCHECK_EQ(path.BaseName().value(), "Contents");
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// Go into the frameworks directory.
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return path.Append("Frameworks");
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}
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// The framework bundle path is used for loading resources, libraries, etc.
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void OverrideFrameworkBundlePath() {
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FilePath helper_path =
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GetFrameworksPath().Append("Chromium Embedded Framework.framework");
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base::mac::SetOverrideFrameworkBundlePath(helper_path);
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}
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void OverrideChildProcessPath() {
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// Retrieve the name of the running executable.
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FilePath path;
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PathService::Get(base::FILE_EXE, &path);
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std::string name = path.BaseName().value();
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FilePath helper_path = GetFrameworksPath().Append(name+" Helper.app")
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.Append("Contents")
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.Append("MacOS")
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.Append(name+" Helper");
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PathService::Override(content::CHILD_PROCESS_EXE, helper_path);
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}
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} // namespace
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#endif // OS_MACOSX
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CefMainDelegate::CefMainDelegate(CefRefPtr<CefApp> application)
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: content_client_(application) {
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}
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CefMainDelegate::~CefMainDelegate() {
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}
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bool CefMainDelegate::BasicStartupComplete(int* exit_code) {
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#if defined(OS_MACOSX)
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OverrideFrameworkBundlePath();
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#endif
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CommandLine* command_line = CommandLine::ForCurrentProcess();
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std::string process_type =
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command_line->GetSwitchValueASCII(switches::kProcessType);
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if (process_type.empty()) {
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// In the browser process. Populate the global command-line object.
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const CefSettings& settings = _Context->settings();
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if (settings.command_line_args_disabled) {
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// Remove any existing command-line arguments.
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CommandLine::StringVector argv;
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argv.push_back(command_line->GetProgram().value());
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command_line->InitFromArgv(argv);
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const CommandLine::SwitchMap& map = command_line->GetSwitches();
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const_cast<CommandLine::SwitchMap*>(&map)->clear();
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}
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if (settings.single_process)
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command_line->AppendSwitch(switches::kSingleProcess);
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if (settings.browser_subprocess_path.length > 0) {
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FilePath file_path =
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FilePath(CefString(&settings.browser_subprocess_path));
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if (!file_path.empty()) {
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command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
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file_path);
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}
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}
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if (settings.user_agent.length > 0) {
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command_line->AppendSwitchASCII(switches::kUserAgent,
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CefString(&settings.user_agent));
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} else if (settings.product_version.length > 0) {
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command_line->AppendSwitchASCII(switches::kProductVersion,
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CefString(&settings.product_version));
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}
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if (settings.locale.length > 0) {
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command_line->AppendSwitchASCII(switches::kLocale,
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CefString(&settings.locale));
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}
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if (settings.pack_loading_disabled) {
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command_line->AppendSwitch(switches::kPackLoadingDisabled);
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} else {
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if (settings.pack_file_path.length > 0) {
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FilePath file_path = FilePath(CefString(&settings.pack_file_path));
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if (!file_path.empty())
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command_line->AppendSwitchPath(switches::kPackFilePath, file_path);
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}
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if (settings.locales_dir_path.length > 0) {
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FilePath file_path = FilePath(CefString(&settings.locales_dir_path));
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if (!file_path.empty())
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command_line->AppendSwitchPath(switches::kLocalesDirPath, file_path);
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}
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}
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// TODO(cef): Figure out how to support the sandbox.
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if (!command_line->HasSwitch(switches::kNoSandbox))
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command_line->AppendSwitch(switches::kNoSandbox);
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}
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if (content_client_.application().get()) {
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// Give the application a chance to view/modify the command line.
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CefRefPtr<CefCommandLineImpl> commandLinePtr(
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new CefCommandLineImpl(command_line, false, false));
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content_client_.application()->OnBeforeCommandLineProcessing(
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CefString(process_type), commandLinePtr.get());
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commandLinePtr->Detach(NULL);
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}
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return false;
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}
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void CefMainDelegate::PreSandboxStartup() {
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#if defined(OS_MACOSX)
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OverrideChildProcessPath();
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#endif
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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std::string process_type =
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command_line.GetSwitchValueASCII(switches::kProcessType);
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content::SetContentClient(&content_client_);
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InitializeContentClient(process_type);
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if (command_line.HasSwitch(switches::kPackLoadingDisabled))
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content_client_.set_pack_loading_disabled(true);
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else
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InitializeResourceBundle();
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}
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void CefMainDelegate::SandboxInitialized(const std::string& process_type) {
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}
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int CefMainDelegate::RunProcess(
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const std::string& process_type,
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const content::MainFunctionParams& main_function_params) {
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if (process_type.empty()) {
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// Use our own browser process runner.
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browser_runner_.reset(content::BrowserMainRunner::Create());
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// Initialize browser process state. Results in a call to
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// CefBrowserMain::GetMainMessageLoop().
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int exit_code = browser_runner_->Initialize(main_function_params);
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if (exit_code >= 0)
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return exit_code;
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return 0;
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}
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return -1;
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}
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void CefMainDelegate::ProcessExiting(const std::string& process_type) {
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if (!content_client_.pack_loading_disabled())
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ResourceBundle::CleanupSharedInstance();
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}
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#if defined(OS_MACOSX)
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bool CefMainDelegate::ProcessRegistersWithSystemProcess(
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const std::string& process_type) {
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return false;
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}
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bool CefMainDelegate::ShouldSendMachPort(const std::string& process_type) {
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return false;
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}
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bool CefMainDelegate::DelaySandboxInitialization(
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const std::string& process_type) {
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return false;
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}
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#elif defined(OS_POSIX)
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content::ZygoteForkDelegate* CefMainDelegate::ZygoteStarting() {
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return NULL;
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}
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void CefMainDelegate::ZygoteForked() {
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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std::string process_type =
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command_line.GetSwitchValueASCII(switches::kProcessType);
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InitializeContentClient(process_type);
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}
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#endif // OS_MACOSX
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void CefMainDelegate::ShutdownBrowser() {
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if (browser_runner_.get()) {
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browser_runner_->Shutdown();
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browser_runner_.reset(NULL);
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}
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}
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void CefMainDelegate::InitializeContentClient(
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const std::string& process_type) {
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if (process_type.empty()) {
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browser_client_.reset(new CefContentBrowserClient);
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content::GetContentClient()->set_browser(browser_client_.get());
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// Single-process is an unsupported and not fully tested mode.
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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if (command_line.HasSwitch(switches::kSingleProcess)) {
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content::RenderProcessHost::set_run_renderer_in_process(true);
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renderer_client_.reset(new CefContentRendererClient);
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content::GetContentClient()->set_renderer(renderer_client_.get());
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}
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} else if (process_type == switches::kRendererProcess) {
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renderer_client_.reset(new CefContentRendererClient);
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content::GetContentClient()->set_renderer(renderer_client_.get());
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} else if (process_type == switches::kPluginProcess) {
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plugin_client_.reset(new CefContentPluginClient);
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content::GetContentClient()->set_plugin(plugin_client_.get());
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} else if (process_type == switches::kUtilityProcess) {
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utility_client_.reset(new CefContentUtilityClient);
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content::GetContentClient()->set_utility(utility_client_.get());
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}
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}
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void CefMainDelegate::InitializeResourceBundle() {
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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FilePath pak_file, locales_dir;
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if (command_line.HasSwitch(switches::kPackFilePath))
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pak_file = command_line.GetSwitchValuePath(switches::kPackFilePath);
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if (pak_file.empty()) {
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FilePath pak_dir;
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PathService::Get(base::DIR_MODULE, &pak_dir);
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pak_file = pak_dir.Append(FILE_PATH_LITERAL("cef.pak"));
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}
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if (!pak_file.empty())
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PathService::Override(ui::FILE_RESOURCES_PAK, pak_file);
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if (command_line.HasSwitch(switches::kLocalesDirPath))
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locales_dir = command_line.GetSwitchValuePath(switches::kLocalesDirPath);
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if (!locales_dir.empty())
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PathService::Override(ui::DIR_LOCALES, locales_dir);
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std::string locale = command_line.GetSwitchValueASCII(switches::kLocale);
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if (locale.empty())
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locale = "en-US";
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const std::string loaded_locale =
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ui::ResourceBundle::InitSharedInstanceWithLocale(locale);
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CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
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#if defined(OS_WIN)
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// Explicitly load cef.pak on Windows.
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if (file_util::PathExists(pak_file))
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ResourceBundle::AddDataPackToSharedInstance(pak_file);
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else
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NOTREACHED() << "Could not load cef.pak";
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#endif
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}
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