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// Copyright 2025 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/background/startup_launch_manager.h"
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "base/notimplemented.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/installer/util/auto_launch_util.h"
namespace {
StartupLaunchManager* g_instance_for_testing = nullptr;
}
// static
StartupLaunchManager* StartupLaunchManager::GetInstance() {
static base::NoDestructor<StartupLaunchManager> instance;
return g_instance_for_testing ? g_instance_for_testing : instance.get();
}
// static
void StartupLaunchManager::SetInstanceForTesting(
StartupLaunchManager* manager) {
g_instance_for_testing = manager;
}
void StartupLaunchManager::RegisterLaunchOnStartup(StartupLaunchReason reason) {
const bool was_empty = registered_launch_reasons_.empty();
registered_launch_reasons_.insert(reason);
if (was_empty) {
UpdateLaunchOnStartup(true);
}
}
void StartupLaunchManager::UnregisterLaunchOnStartup(
StartupLaunchReason reason) {
registered_launch_reasons_.erase(reason);
if (registered_launch_reasons_.empty()) {
UpdateLaunchOnStartup(false);
}
}
StartupLaunchManager::StartupLaunchManager()
: task_runner_(base::ThreadPool::CreateSequencedTaskRunner(
{base::MayBlock(), base::TaskPriority::BEST_EFFORT,
base::TaskShutdownBehavior::BLOCK_SHUTDOWN})) {}
StartupLaunchManager::~StartupLaunchManager() {
if (this == g_instance_for_testing) {
g_instance_for_testing = nullptr;
}
}
void StartupLaunchManager::UpdateLaunchOnStartup(
bool should_launch_on_startup) {
#if BUILDFLAG(IS_WIN)
// This functionality is only defined for default profile, currently.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUserDataDir)) {
return;
}
task_runner_->PostTask(
FROM_HERE,
should_launch_on_startup
? base::BindOnce(auto_launch_util::EnableBackgroundStartAtLogin)
: base::BindOnce(auto_launch_util::DisableBackgroundStartAtLogin));
#elif BUILDFLAG(IS_MAC)
// Mac does not support forcing launch on startup.
#else
NOTIMPLEMENTED();
#endif // BUILDFLAG(IS_WIN)
}
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