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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chrome_browser_main_linux.h"
#include <memory>
#include <string>
#include <utility>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_features.h"
#include "chrome/grit/branded_strings.h"
#include "components/password_manager/core/browser/password_manager_switches.h"
#include "content/public/browser/browser_thread.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "device/bluetooth/dbus/bluez_dbus_thread_manager.h"
#include "ui/base/l10n/l10n_util.h"
#if BUILDFLAG(IS_LINUX)
#include "ui/ozone/public/ozone_platform.h"
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/installer/util/google_update_settings.h"
#include "components/metrics/call_stacks/stack_sampling_recorder.h"
#endif
#if BUILDFLAG(USE_DBUS) && !BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/dbus_memory_pressure_evaluator_linux.h"
#endif
#if !BUILDFLAG(IS_CHROMEOS)
#include "base/linux_util.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/chrome_switches.h"
#include "components/os_crypt/sync/key_storage_config_linux.h"
#include "components/os_crypt/sync/os_crypt.h"
#endif
ChromeBrowserMainPartsLinux::ChromeBrowserMainPartsLinux(
bool is_integration_test,
StartupData* startup_data)
: ChromeBrowserMainPartsPosix(is_integration_test, startup_data) {}
ChromeBrowserMainPartsLinux::~ChromeBrowserMainPartsLinux() = default;
void ChromeBrowserMainPartsLinux::PostCreateMainMessageLoop() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
#if BUILDFLAG(IS_CHROMEOS)
if (command_line->HasSwitch(metrics::kRecordStackSamplingDataSwitch)) {
stack_sampling_recorder_ =
base::MakeRefCounted<metrics::StackSamplingRecorder>();
stack_sampling_recorder_->Start();
}
// Don't initialize DBus here. Bluetooth DBusManager initialization depends on
// FeatureList, and is done elsewhere.
#endif // BUILDFLAG(IS_CHROMEOS)
#if !BUILDFLAG(IS_CHROMEOS)
bluez::BluezDBusManager::Initialize(nullptr /* system_bus */);
// Set up crypt config. This needs to be done before anything starts the
// network service, as the raw encryption key needs to be shared with the
// network service for encrypted cookie storage.
// Chrome OS does not need a crypt config as its user data directories are
// already encrypted and none of the true encryption backends used by desktop
// Linux are available on Chrome OS anyway.
std::unique_ptr<os_crypt::Config> config =
std::make_unique<os_crypt::Config>();
// Forward to os_crypt the flag to use a specific password store.
config->store =
command_line->GetSwitchValueASCII(password_manager::kPasswordStore);
// Forward the product name
config->product_name = l10n_util::GetStringUTF8(IDS_PRODUCT_NAME);
// OSCrypt can be disabled in a special settings file.
config->should_use_preference =
base::CommandLine::ForCurrentProcess()->HasSwitch(
password_manager::kEnableEncryptionSelection);
chrome::GetDefaultUserDataDirectory(&config->user_data_path);
OSCrypt::SetConfig(std::move(config));
#endif // !BUILDFLAG(IS_CHROMEOS)
ChromeBrowserMainPartsPosix::PostCreateMainMessageLoop();
}
#if BUILDFLAG(IS_LINUX)
void ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() {
ChromeBrowserMainPartsPosix::PostMainMessageLoopRun();
ui::OzonePlatform::GetInstance()->PostMainMessageLoopRun();
}
#endif
void ChromeBrowserMainPartsLinux::PreProfileInit() {
#if !BUILDFLAG(IS_CHROMEOS)
// Needs to be called after we have chrome::DIR_USER_DATA and
// g_browser_process. This happens in PreCreateThreads.
// base::GetLinuxDistro() will initialize its value if needed.
base::ThreadPool::PostTask(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(base::IgnoreResult(&base::GetLinuxDistro)));
#endif
ChromeBrowserMainPartsPosix::PreProfileInit();
}
#if BUILDFLAG(USE_DBUS) && !BUILDFLAG(IS_CHROMEOS)
void ChromeBrowserMainPartsLinux::PostBrowserStart() {
// static_cast is safe because this is the only implementation of
// MemoryPressureMonitor.
auto* monitor =
static_cast<memory_pressure::MultiSourceMemoryPressureMonitor*>(
base::MemoryPressureMonitor::Get());
if (monitor &&
base::FeatureList::IsEnabled(features::kLinuxLowMemoryMonitor)) {
monitor->SetSystemEvaluator(
std::make_unique<DbusMemoryPressureEvaluatorLinux>(
monitor->CreateVoter()));
}
ChromeBrowserMainPartsPosix::PostBrowserStart();
}
#endif // BUILDFLAG(USE_DBUS) && !BUILDFLAG(IS_CHROMEOS)
void ChromeBrowserMainPartsLinux::PostDestroyThreads() {
#if BUILDFLAG(IS_CHROMEOS)
// No-op; per PostBrowserStart() comment, this is done elsewhere.
#else
bluez::BluezDBusManager::Shutdown();
bluez::BluezDBusThreadManager::Shutdown();
#endif // BUILDFLAG(IS_CHROMEOS)
ChromeBrowserMainPartsPosix::PostDestroyThreads();
}
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