mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-27 10:03:31 +01:00
8078afe7bf
- Add new CefSettings.windowless_rendering_enabled value that must be enabled when using windowless (off-screen) rendering. - Improve naming and documentation for CefWindowInfo members. - CefBeginTracing now completes asynchronously. - Rename CefEndTracingAsync to CefEndTracing. - Rename CefCompletionHandler to CefCompletionCallback. git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1592 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
525 lines
17 KiB
C++
525 lines
17 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/breakpad_client.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/renderer/content_renderer_client.h"
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#include "base/base_switches.h"
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#include "base/command_line.h"
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#include "base/files/file_path.h"
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#include "base/file_util.h"
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#include "base/lazy_instance.h"
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#include "base/path_service.h"
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#include "base/strings/string_number_conversions.h"
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#include "base/strings/string_util.h"
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#include "base/synchronization/waitable_event.h"
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#include "base/threading/thread.h"
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#include "chrome/common/chrome_switches.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 "content/public/common/main_function_params.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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#include "ui/base/ui_base_switches.h"
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#if defined(OS_WIN)
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#include <Objbase.h> // NOLINT(build/include_order)
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#include "components/breakpad/app/breakpad_win.h"
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#endif
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#if defined(OS_MACOSX)
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#include "base/mac/os_crash_dumps.h"
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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 "components/breakpad/app/breakpad_mac.h"
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#include "content/public/common/content_paths.h"
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#endif
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#if defined(OS_POSIX) && !defined(OS_MACOSX)
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#include "components/breakpad/app/breakpad_linux.h"
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#endif
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namespace {
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base::LazyInstance<CefBreakpadClient>::Leaky g_shell_breakpad_client =
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LAZY_INSTANCE_INITIALIZER;
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#if defined(OS_MACOSX)
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base::FilePath GetFrameworksPath() {
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// Start out with the path to the running executable.
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base::FilePath execPath;
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PathService::Get(base::FILE_EXE, &execPath);
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// Get the main bundle path.
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base::FilePath bundlePath = base::mac::GetAppBundlePath(execPath);
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// Go into the Contents/Frameworks directory.
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return bundlePath.Append(FILE_PATH_LITERAL("Contents"))
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.Append(FILE_PATH_LITERAL("Frameworks"));
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}
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// The framework bundle path is used for loading resources, libraries, etc.
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base::FilePath GetFrameworkBundlePath() {
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return GetFrameworksPath().Append(
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FILE_PATH_LITERAL("Chromium Embedded Framework.framework"));
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}
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base::FilePath GetResourcesFilePath() {
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return GetFrameworkBundlePath().Append(FILE_PATH_LITERAL("Resources"));
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}
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void OverrideFrameworkBundlePath() {
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base::mac::SetOverrideFrameworkBundlePath(GetFrameworkBundlePath());
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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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base::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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base::FilePath helper_path = GetFrameworksPath()
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.Append(FILE_PATH_LITERAL(name+" Helper.app"))
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.Append(FILE_PATH_LITERAL("Contents"))
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.Append(FILE_PATH_LITERAL("MacOS"))
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.Append(FILE_PATH_LITERAL(name+" Helper"));
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PathService::Override(content::CHILD_PROCESS_EXE, helper_path);
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}
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#else // !defined(OS_MACOSX)
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base::FilePath GetResourcesFilePath() {
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base::FilePath pak_dir;
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PathService::Get(base::DIR_MODULE, &pak_dir);
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return pak_dir;
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}
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#endif // !defined(OS_MACOSX)
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// Used to run the UI on a separate thread.
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class CefUIThread : public base::Thread {
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public:
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explicit CefUIThread(const content::MainFunctionParams& main_function_params)
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: base::Thread("CefUIThread"),
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main_function_params_(main_function_params) {
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}
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virtual void Init() OVERRIDE {
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#if defined(OS_WIN)
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// Initializes the COM library on the current thread.
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CoInitialize(NULL);
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#endif
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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. Uses the current thread's mesage loop.
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int exit_code = browser_runner_->Initialize(main_function_params_);
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CHECK_EQ(exit_code, -1);
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}
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virtual void CleanUp() OVERRIDE {
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browser_runner_->Shutdown();
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browser_runner_.reset(NULL);
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#if defined(OS_WIN)
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// Closes the COM library on the current thread. CoInitialize must
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// be balanced by a corresponding call to CoUninitialize.
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CoUninitialize();
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#endif
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}
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protected:
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content::MainFunctionParams main_function_params_;
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scoped_ptr<content::BrowserMainRunner> browser_runner_;
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};
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} // namespace
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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 = CefContext::Get()->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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bool no_sandbox = settings.no_sandbox ? true : false;
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if (settings.browser_subprocess_path.length > 0) {
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base::FilePath file_path =
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base::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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#if defined(OS_WIN)
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// The sandbox is not supported when using a separate subprocess
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// executable on Windows.
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no_sandbox = true;
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#endif
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}
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}
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if (no_sandbox)
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command_line->AppendSwitch(switches::kNoSandbox);
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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::kLang,
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CefString(&settings.locale));
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} else if (!command_line->HasSwitch(switches::kLang)) {
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command_line->AppendSwitchASCII(switches::kLang, "en-US");
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}
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if (settings.log_file.length > 0) {
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base::FilePath file_path = base::FilePath(CefString(&settings.log_file));
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if (!file_path.empty())
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command_line->AppendSwitchPath(switches::kLogFile, file_path);
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}
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if (settings.log_severity != LOGSEVERITY_DEFAULT) {
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std::string log_severity;
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switch (settings.log_severity) {
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case LOGSEVERITY_VERBOSE:
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log_severity = switches::kLogSeverity_Verbose;
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break;
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case LOGSEVERITY_INFO:
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log_severity = switches::kLogSeverity_Info;
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break;
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case LOGSEVERITY_WARNING:
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log_severity = switches::kLogSeverity_Warning;
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break;
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case LOGSEVERITY_ERROR:
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log_severity = switches::kLogSeverity_Error;
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break;
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case LOGSEVERITY_ERROR_REPORT:
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log_severity = switches::kLogSeverity_ErrorReport;
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break;
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case LOGSEVERITY_DISABLE:
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log_severity = switches::kLogSeverity_Disable;
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break;
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default:
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break;
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}
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if (!log_severity.empty())
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command_line->AppendSwitchASCII(switches::kLogSeverity, log_severity);
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}
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if (settings.release_dcheck_enabled)
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command_line->AppendSwitch(switches::kEnableReleaseDcheck);
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if (settings.javascript_flags.length > 0) {
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command_line->AppendSwitchASCII(switches::kJavaScriptFlags,
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CefString(&settings.javascript_flags));
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}
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if (settings.pack_loading_disabled) {
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command_line->AppendSwitch(switches::kDisablePackLoading);
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} else {
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if (settings.resources_dir_path.length > 0) {
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base::FilePath file_path =
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base::FilePath(CefString(&settings.resources_dir_path));
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if (!file_path.empty()) {
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command_line->AppendSwitchPath(switches::kResourcesDirPath,
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file_path);
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}
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}
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if (settings.locales_dir_path.length > 0) {
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base::FilePath file_path =
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base::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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if (settings.remote_debugging_port >= 1024 &&
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settings.remote_debugging_port <= 65535) {
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command_line->AppendSwitchASCII(switches::kRemoteDebuggingPort,
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base::IntToString(settings.remote_debugging_port));
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}
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if (settings.uncaught_exception_stack_size > 0) {
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command_line->AppendSwitchASCII(switches::kUncaughtExceptionStackSize,
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base::IntToString(settings.uncaught_exception_stack_size));
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}
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if (settings.context_safety_implementation != 0) {
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command_line->AppendSwitchASCII(switches::kContextSafetyImplementation,
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base::IntToString(settings.context_safety_implementation));
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}
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if (settings.windowless_rendering_enabled) {
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// Must disable delegated renderer and threaded compositing for select
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// popups to display correctly in a windowless browser.
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command_line->AppendSwitch(switches::kDisableDelegatedRenderer);
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command_line->AppendSwitch(switches::kDisableThreadedCompositing);
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}
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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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// Initialize logging.
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logging::LoggingSettings log_settings;
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const base::FilePath& log_file =
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command_line->GetSwitchValuePath(switches::kLogFile);
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log_settings.log_file = log_file.value().c_str();
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log_settings.lock_log = logging::DONT_LOCK_LOG_FILE;
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log_settings.delete_old = logging::APPEND_TO_OLD_LOG_FILE;
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logging::LogSeverity log_severity = logging::LOG_INFO;
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std::string log_severity_str =
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command_line->GetSwitchValueASCII(switches::kLogSeverity);
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if (!log_severity_str.empty()) {
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if (LowerCaseEqualsASCII(log_severity_str,
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switches::kLogSeverity_Verbose)) {
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log_severity = logging::LOG_VERBOSE;
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} else if (LowerCaseEqualsASCII(log_severity_str,
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switches::kLogSeverity_Warning)) {
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log_severity = logging::LOG_WARNING;
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} else if (LowerCaseEqualsASCII(log_severity_str,
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switches::kLogSeverity_Error)) {
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log_severity = logging::LOG_ERROR;
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} else if (LowerCaseEqualsASCII(log_severity_str,
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switches::kLogSeverity_ErrorReport)) {
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log_severity = logging::LOG_ERROR_REPORT;
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} else if (LowerCaseEqualsASCII(log_severity_str,
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switches::kLogSeverity_Disable)) {
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log_severity = LOGSEVERITY_DISABLE;
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}
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}
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if (log_severity == LOGSEVERITY_DISABLE) {
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log_settings.logging_dest = logging::LOG_NONE;
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} else {
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log_settings.logging_dest = logging::LOG_TO_ALL;
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logging::SetMinLogLevel(log_severity);
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}
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if (command_line->HasSwitch(switches::kEnableReleaseDcheck)) {
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log_settings.dcheck_state =
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logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
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} else {
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log_settings.dcheck_state =
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logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
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}
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logging::InitLogging(log_settings);
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content::SetContentClient(&content_client_);
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return false;
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}
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void CefMainDelegate::PreSandboxStartup() {
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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if (command_line.HasSwitch(switches::kEnableCrashReporter)) {
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const std::string& process_type = command_line.GetSwitchValueASCII(
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switches::kProcessType);
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breakpad::SetBreakpadClient(g_shell_breakpad_client.Pointer());
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#if defined(OS_MACOSX)
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base::mac::DisableOSCrashDumps();
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breakpad::InitCrashReporter(process_type);
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breakpad::InitCrashProcessInfo(process_type);
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#elif defined(OS_POSIX) && !defined(OS_MACOSX)
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if (process_type != switches::kZygoteProcess)
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breakpad::InitCrashReporter(process_type);
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#elif defined(OS_WIN)
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UINT new_flags =
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SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
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UINT existing_flags = SetErrorMode(new_flags);
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SetErrorMode(existing_flags | new_flags);
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breakpad::InitCrashReporter(process_type);
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#endif
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}
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#if defined(OS_MACOSX)
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if (!command_line.HasSwitch(switches::kProcessType)) {
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// Only override the child process path when executing the main process.
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OverrideChildProcessPath();
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}
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#endif
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if (command_line.HasSwitch(switches::kDisablePackLoading))
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content_client_.set_pack_loading_disabled(true);
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InitializeResourceBundle();
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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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const CefSettings& settings = CefContext::Get()->settings();
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if (!settings.multi_threaded_message_loop) {
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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::PreMainMessageLoopStart() which creates the UI message
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// loop.
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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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} else {
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// Run the UI on a separate thread.
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scoped_ptr<base::Thread> thread;
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thread.reset(new CefUIThread(main_function_params));
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base::Thread::Options options;
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options.message_loop_type = base::MessageLoop::TYPE_UI;
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if (!thread->StartWithOptions(options)) {
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NOTREACHED() << "failed to start UI thread";
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return 1;
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}
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ui_thread_.swap(thread);
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}
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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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ResourceBundle::CleanupSharedInstance();
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}
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#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
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void CefMainDelegate::ZygoteForked() {
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const CommandLine& command_line = *CommandLine::ForCurrentProcess();
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if (command_line.HasSwitch(switches::kEnableCrashReporter)) {
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const std::string& process_type = command_line.GetSwitchValueASCII(
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switches::kProcessType);
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breakpad::InitCrashReporter(process_type);
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}
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}
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#endif
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content::ContentBrowserClient* CefMainDelegate::CreateContentBrowserClient() {
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browser_client_.reset(new CefContentBrowserClient);
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return browser_client_.get();
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}
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content::ContentRendererClient*
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CefMainDelegate::CreateContentRendererClient() {
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renderer_client_.reset(new CefContentRendererClient);
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return renderer_client_.get();
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}
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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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if (ui_thread_.get()) {
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// Blocks until the thread has stopped.
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ui_thread_->Stop();
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ui_thread_.reset();
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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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base::FilePath cef_pak_file, devtools_pak_file, locales_dir;
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if (!content_client_.pack_loading_disabled()) {
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base::FilePath resources_dir;
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if (command_line.HasSwitch(switches::kResourcesDirPath)) {
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resources_dir =
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command_line.GetSwitchValuePath(switches::kResourcesDirPath);
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|
}
|
|
if (resources_dir.empty())
|
|
resources_dir = GetResourcesFilePath();
|
|
|
|
if (!resources_dir.empty()) {
|
|
cef_pak_file = resources_dir.Append(FILE_PATH_LITERAL("cef.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())
|
|
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_);
|
|
if (!content_client_.pack_loading_disabled()) {
|
|
CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
|
|
|
|
content_client_.set_allow_pack_file_load(true);
|
|
|
|
if (base::PathExists(cef_pak_file)) {
|
|
ResourceBundle::GetSharedInstance().AddDataPackFromPath(
|
|
cef_pak_file, ui::SCALE_FACTOR_NONE);
|
|
} else {
|
|
NOTREACHED() << "Could not load cef.pak";
|
|
}
|
|
|
|
if (base::PathExists(devtools_pak_file)) {
|
|
ResourceBundle::GetSharedInstance().AddDataPackFromPath(
|
|
devtools_pak_file, ui::SCALE_FACTOR_NONE);
|
|
}
|
|
|
|
content_client_.set_allow_pack_file_load(false);
|
|
}
|
|
}
|