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03c9156c80
cef/libcef/common/alloy/alloy_main_delegate.cc
Marshall Greenblatt 03c9156c80 Fix build and initial Chrome runtime issues on macOS (see issue #2969) 
This change moves shared resource initialization to a common location and
disables crash reporting initialization in chrome/ code via patch files.

When using the Chrome runtime on macOS the Chrome application window will
display, but web content is currently blank and the application does not
exit cleanly. This will need to be debugged further in the future.
2020-07-06 15:20:53 -04:00

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// 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/alloy/alloy_main_delegate.h"
#include "libcef/browser/alloy/alloy_browser_context.h"
#include "libcef/browser/alloy/alloy_content_browser_client.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/common/resource_util.h"
#include "libcef/renderer/alloy/alloy_content_renderer_client.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 "chrome/browser/browser_process.h"
#include "chrome/browser/media/router/media_router_feature.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 "chrome/utility/chrome_content_utility_client.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/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 "net/base/features.h"
#include "pdf/pdf_ppapi.h"
#include "services/network/public/cpp/features.h"
#include "services/service_manager/sandbox/switches.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_features.h"
#include "ui/base/ui_base_paths.h"
#include "ui/base/ui_base_switches.h"
#if defined(OS_MACOSX)
#include "libcef/common/util_mac.h"
#endif
#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
namespace {
const char* const kNonWildcardDomainNonPortSchemes[] = {
extensions::kExtensionScheme};
const size_t kNonWildcardDomainNonPortSchemesSize =
base::size(kNonWildcardDomainNonPortSchemes);
} // namespace
AlloyMainDelegate::AlloyMainDelegate(CefMainRunnerHandler* runner,
CefSettings* settings,
CefRefPtr<CefApp> application)
: runner_(runner), settings_(settings), application_(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)
resource_util::OverrideAssetPath();
#endif
}
AlloyMainDelegate::~AlloyMainDelegate() {}
void AlloyMainDelegate::PreCreateMainMessageLoop() {
runner_->PreCreateMainMessageLoop();
}
bool AlloyMainDelegate::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.
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<base::CommandLine::SwitchMap*>(&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);
}
if (settings_->main_bundle_path.length > 0) {
base::FilePath file_path =
base::FilePath(CefString(&settings_->main_bundle_path));
if (!file_path.empty())
command_line->AppendSwitchPath(switches::kMainBundlePath, 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 = resource_util::GetDefaultLogFilePath();
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<std::string> disable_features;
if (network::features::kOutOfBlinkCors.default_state ==
base::FEATURE_ENABLED_BY_DEFAULT) {
// TODO: Add support for out-of-Blink CORS (see issue #2716)
disable_features.push_back(network::features::kOutOfBlinkCors.name);
}
#if defined(OS_WIN)
if (features::kCalculateNativeWinOcclusion.default_state ==
base::FEATURE_ENABLED_BY_DEFAULT) {
// TODO: Add support for occlusion detection in combination with native
// parent windows (see issue #2805).
disable_features.push_back(features::kCalculateNativeWinOcclusion.name);
}
#endif // defined(OS_WIN)
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);
}
std::vector<std::string> enable_features;
if (media_router::kDialMediaRouteProvider.default_state ==
base::FEATURE_DISABLED_BY_DEFAULT) {
// Enable discovery of DIAL devices.
enable_features.push_back(media_router::kDialMediaRouteProvider.name);
}
if (media_router::kCastMediaRouteProvider.default_state ==
base::FEATURE_DISABLED_BY_DEFAULT) {
// Enable discovery of Cast devices.
enable_features.push_back(media_router::kCastMediaRouteProvider.name);
}
if (!enable_features.empty()) {
DCHECK(!base::FeatureList::GetInstance());
std::string enable_features_str =
command_line->GetSwitchValueASCII(switches::kEnableFeatures);
for (auto feature_str : enable_features) {
if (!enable_features_str.empty())
enable_features_str += ",";
enable_features_str += feature_str;
}
command_line->AppendSwitchASCII(switches::kEnableFeatures,
enable_features_str);
}
}
if (application_) {
// Give the application a chance to view/modify the command line.
CefRefPtr<CefCommandLineImpl> commandLinePtr(
new CefCommandLineImpl(command_line, false, false));
application_->OnBeforeCommandLineProcessing(CefString(process_type),
commandLinePtr.get());
commandLinePtr->Detach(nullptr);
}
// Initialize logging.
logging::LoggingSettings log_settings;
const base::FilePath& log_file =
command_line->GetSwitchValuePath(switches::kLogFile);
DCHECK(!log_file.empty());
log_settings.log_file_path = 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)
util_mac::BasicStartupComplete();
#endif
return false;
}
void AlloyMainDelegate::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)
util_mac::PreSandboxStartup();
#endif
resource_util::OverridePepperFlashSystemPluginPath();
resource_util::OverrideDefaultDownloadDir();
resource_util::OverrideUserDataDir(settings_, command_line);
}
if (command_line->HasSwitch(switches::kDisablePackLoading))
resource_bundle_delegate_.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();
MaybeInitializeGDI();
}
void AlloyMainDelegate::SandboxInitialized(const std::string& process_type) {
AlloyContentClient::SetPDFEntryFunctions(chrome_pdf::PPP_GetInterface,
chrome_pdf::PPP_InitializeModule,
chrome_pdf::PPP_ShutdownModule);
}
int AlloyMainDelegate::RunProcess(
const std::string& process_type,
const content::MainFunctionParams& main_function_params) {
if (process_type.empty()) {
return runner_->RunMainProcess(main_function_params);
}
return -1;
}
void AlloyMainDelegate::ProcessExiting(const std::string& process_type) {
ui::ResourceBundle::CleanupSharedInstance();
}
#if defined(OS_LINUX)
void AlloyMainDelegate::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* AlloyMainDelegate::CreateContentBrowserClient() {
browser_client_.reset(new AlloyContentBrowserClient);
return browser_client_.get();
}
content::ContentRendererClient*
AlloyMainDelegate::CreateContentRendererClient() {
renderer_client_.reset(new AlloyContentRendererClient);
return renderer_client_.get();
}
content::ContentUtilityClient* AlloyMainDelegate::CreateContentUtilityClient() {
utility_client_.reset(new ChromeContentUtilityClient);
return utility_client_.get();
}
CefRefPtr<CefRequestContext> AlloyMainDelegate::GetGlobalRequestContext() {
if (!browser_client_)
return nullptr;
return browser_client_->request_context();
}
CefBrowserContext* AlloyMainDelegate::CreateNewBrowserContext(
const CefRequestContextSettings& settings) {
auto context = new AlloyBrowserContext(settings);
context->Initialize();
return context;
}
scoped_refptr<base::SingleThreadTaskRunner>
AlloyMainDelegate::GetBackgroundTaskRunner() {
if (browser_client_)
return browser_client_->background_task_runner();
return nullptr;
}
scoped_refptr<base::SingleThreadTaskRunner>
AlloyMainDelegate::GetUserVisibleTaskRunner() {
if (browser_client_)
return browser_client_->user_visible_task_runner();
return nullptr;
}
scoped_refptr<base::SingleThreadTaskRunner>
AlloyMainDelegate::GetUserBlockingTaskRunner() {
if (browser_client_)
return browser_client_->user_blocking_task_runner();
return nullptr;
}
scoped_refptr<base::SingleThreadTaskRunner>
AlloyMainDelegate::GetRenderTaskRunner() {
if (renderer_client_)
return renderer_client_->render_task_runner();
return nullptr;
}
scoped_refptr<base::SingleThreadTaskRunner>
AlloyMainDelegate::GetWebWorkerTaskRunner() {
if (renderer_client_)
return renderer_client_->GetCurrentTaskRunner();
return nullptr;
}
void AlloyMainDelegate::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 = resource_util::GetResourcesDir();
if (!resources_dir.empty())
base::PathService::Override(chrome::DIR_RESOURCES, resources_dir);
if (!resource_bundle_delegate_.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, &resource_bundle_delegate_,
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 (!resource_bundle_delegate_.pack_loading_disabled()) {
if (loaded_locale.empty())
LOG(ERROR) << "Could not load locale pak for " << locale;
resource_bundle_delegate_.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)
resource_util::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 (resource_util::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);
}
resource_bundle_delegate_.set_allow_pack_file_load(false);
}
}
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