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// Copyright 2013 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/lifetime/browser_close_manager.h"
#include <algorithm>
#include <iterator>
#include <ranges>
#include <vector>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "build/build_config.h"
#include "chrome/browser/background/extensions/background_mode_manager.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/download/download_core_service.h"
#include "chrome/browser/download/download_core_service_factory.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/buildflags.h"
#include "content/public/browser/web_contents.h"
#if BUILDFLAG(ENABLE_CHROME_NOTIFICATIONS)
#include "chrome/browser/notifications/notification_ui_manager.h"
#endif
#if BUILDFLAG(ENABLE_GLIC)
#include "chrome/browser/background/glic/glic_background_mode_manager.h"
#endif
namespace {
// Navigates a browser window for |profile|, creating one if necessary, to the
// downloads page if there are downloads in progress for |profile|.
void ShowInProgressDownloads(Profile* profile) {
DownloadCoreService* download_core_service =
DownloadCoreServiceFactory::GetForBrowserContext(profile);
if (download_core_service &&
download_core_service->BlockingShutdownCount() > 0) {
chrome::ScopedTabbedBrowserDisplayer displayer(profile);
chrome::ShowDownloads(displayer.browser());
}
}
} // namespace
BrowserCloseManager::BrowserCloseManager() : current_browser_(nullptr) {}
BrowserCloseManager::~BrowserCloseManager() = default;
void BrowserCloseManager::StartClosingBrowsers() {
// If the session is ending or a silent exit was requested, skip straight to
// closing the browsers without waiting for beforeunload dialogs.
if (browser_shutdown::ShouldIgnoreUnloadHandlers()) {
// Tell everyone that we are shutting down.
browser_shutdown::SetTryingToQuit(true);
CloseBrowsers();
return;
}
TryToCloseBrowsers();
}
void BrowserCloseManager::CancelBrowserClose() {
browser_shutdown::SetTryingToQuit(false);
for (Browser* browser : *BrowserList::GetInstance()) {
browser->ResetTryToCloseWindow();
}
}
void BrowserCloseManager::TryToCloseBrowsers() {
// If all browser windows can immediately be closed, fall out of this loop and
// close the browsers. If any browser window cannot be closed, temporarily
// stop closing. CallBeforeUnloadHandlers prompts the user and calls
// OnBrowserReportCloseable with the result. If the user confirms the close,
// this will trigger TryToCloseBrowsers to try again.
for (Browser* browser : *BrowserList::GetInstance()) {
if (browser->TryToCloseWindow(
false, base::BindRepeating(
&BrowserCloseManager::OnBrowserReportCloseable, this))) {
current_browser_ = browser;
return;
}
}
CheckForDownloadsInProgress();
}
void BrowserCloseManager::OnBrowserReportCloseable(bool proceed) {
if (!current_browser_) {
return;
}
current_browser_ = nullptr;
if (proceed) {
TryToCloseBrowsers();
} else {
CancelBrowserClose();
}
}
void BrowserCloseManager::CheckForDownloadsInProgress() {
#if BUILDFLAG(IS_MAC)
// Mac has its own in-progress downloads prompt in app_controller_mac.mm.
CloseBrowsers();
#else
int download_count = DownloadCoreService::BlockingShutdownCountAllProfiles();
if (download_count == 0) {
CloseBrowsers();
return;
}
ConfirmCloseWithPendingDownloads(
download_count,
base::BindOnce(&BrowserCloseManager::OnReportDownloadsCancellable, this));
#endif
}
void BrowserCloseManager::ConfirmCloseWithPendingDownloads(
int download_count,
base::OnceCallback<void(bool)> callback) {
Browser* browser = BrowserList::GetInstance()->GetLastActive();
if (browser == nullptr) {
// Background may call CloseAllBrowsers() with no Browsers. In this
// case immediately continue with shutting down.
std::move(callback).Run(/* proceed= */ true);
return;
}
browser->window()->ConfirmBrowserCloseWithPendingDownloads(
download_count, Browser::DownloadCloseType::kBrowserShutdown,
std::move(callback));
}
void BrowserCloseManager::OnReportDownloadsCancellable(bool proceed) {
if (proceed) {
CloseBrowsers();
return;
}
CancelBrowserClose();
// Open the downloads page for each profile with downloads in progress.
std::vector<Profile*> profiles(
g_browser_process->profile_manager()->GetLoadedProfiles());
for (Profile* profile : profiles) {
ShowInProgressDownloads(profile);
std::vector<Profile*> otr_profiles = profile->GetAllOffTheRecordProfiles();
for (Profile* otr : otr_profiles) {
ShowInProgressDownloads(otr);
}
}
}
void BrowserCloseManager::CloseBrowsers() {
#if BUILDFLAG(ENABLE_SESSION_SERVICE)
// Before we close the browsers shutdown all session services. That way an
// exit can restore all browsers open before exiting.
ProfileManager::ShutdownSessionServices();
#endif
#if BUILDFLAG(ENABLE_BACKGROUND_MODE)
if (!browser_shutdown::IsTryingToQuit()) {
BackgroundModeManager* background_mode_manager =
g_browser_process->background_mode_manager();
if (background_mode_manager) {
background_mode_manager->SuspendBackgroundMode();
}
}
#endif
#if BUILDFLAG(ENABLE_GLIC)
auto* glic_background_mode_manager =
glic::GlicBackgroundModeManager::GetInstance();
if (glic_background_mode_manager) {
glic_background_mode_manager->ExitBackgroundMode();
}
#endif
BrowserList::GetInstance()->ForEachCurrentAndNewBrowser([](Browser* browser) {
bool ignore_unload_handlers =
browser_shutdown::ShouldIgnoreUnloadHandlers();
browser->set_force_skip_warning_user_on_close(ignore_unload_handlers);
browser->window()->Close();
if (ignore_unload_handlers) {
// This path is hit during logoff/power-down. It could be the case that
// there are some tabs which would have prevented the browser from closing
// (Ex: A form with an open dialog asking for permission to leave the
// current site). Since we are attempting to end the session, we will
// force skip these warnings and manually close all the tabs to make sure
// the browser is destroyed and cleanup can happen.
browser->tab_strip_model()->CloseAllTabs();
browser->window()->DestroyBrowser();
// Destroying the browser should have removed it from the browser list.
DCHECK(!base::Contains(*BrowserList::GetInstance(), browser));
}
});
#if BUILDFLAG(ENABLE_CHROME_NOTIFICATIONS)
NotificationUIManager* notification_manager =
g_browser_process->notification_ui_manager();
if (notification_manager) {
notification_manager->CancelAll();
}
#endif
}
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