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chromium / chromium / src / caf05a9b752b7717c98b10e76b7372c8f1ade65e / . / chrome / browser / ui / browser.cc
blob: f79df46f7bd825ba6387e733a0b10c1f83c0e8b8 [file] [log] [blame]
// 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/ui/browser.h"
#include <stddef.h>
#include <algorithm>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include "base/base_paths.h"
#include "base/check_deref.h"
#include "base/command_line.h"
#include "base/containers/contains.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/notimplemented.h"
#include "base/process/process_info.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/actor/actor_keyed_service.h"
#include "chrome/browser/actor/execution_engine.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/background/background_contents.h"
#include "chrome/browser/background/background_contents_service.h"
#include "chrome/browser/background/background_contents_service_factory.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/buildflags.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/content_settings/mixed_content_settings_tab_helper.h"
#include "chrome/browser/content_settings/page_specific_content_settings_delegate.h"
#include "chrome/browser/content_settings/sound_content_setting_observer.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/devtools/devtools_toggle_action.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/download/download_core_service.h"
#include "chrome/browser/download/download_core_service_factory.h"
#include "chrome/browser/extensions/extension_ui_util.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/extensions/tab_helper.h"
#include "chrome/browser/file_select_helper.h"
#include "chrome/browser/first_run/first_run.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager.h"
#include "chrome/browser/policy/developer_tools_policy_handler.h"
#include "chrome/browser/prefs/incognito_mode_prefs.h"
#include "chrome/browser/preloading/preloading_prefs.h"
#include "chrome/browser/printing/background_printing_manager.h"
#include "chrome/browser/profiles/keep_alive/profile_keep_alive_types.h"
#include "chrome/browser/profiles/keep_alive/scoped_profile_keep_alive.h"
#include "chrome/browser/profiles/nuke_profile_directory_utils.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_destroyer.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profile_metrics.h"
#include "chrome/browser/profiles/profiles_state.h"
#include "chrome/browser/repost_form_warning_controller.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/sessions/app_session_service.h"
#include "chrome/browser/sessions/app_session_service_factory.h"
#include "chrome/browser/sessions/session_restore.h"
#include "chrome/browser/sessions/session_service.h"
#include "chrome/browser/sessions/session_service_factory.h"
#include "chrome/browser/sessions/session_service_lookup.h"
#include "chrome/browser/sessions/session_tab_helper_factory.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_factory.h"
#include "chrome/browser/ui/blocked_content/chrome_popup_navigation_delegate.h"
#include "chrome/browser/ui/blocked_content/framebust_block_tab_helper.h"
#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
#include "chrome/browser/ui/bookmarks/bookmark_utils.h"
#include "chrome/browser/ui/breadcrumb_manager_browser_agent.h"
#include "chrome/browser/ui/browser_actions.h"
#include "chrome/browser/ui/browser_command_controller.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_content_setting_bubble_model_delegate.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_live_tab_context.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/browser_tab_strip_model_delegate.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_ui_prefs.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/browser_window/public/browser_window_features.h"
#include "chrome/browser/ui/browser_window/public/desktop_browser_window_capabilities.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "chrome/browser/ui/exclusive_access/exclusive_access_manager.h"
#include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
#include "chrome/browser/ui/exclusive_access/pointer_lock_controller.h"
#include "chrome/browser/ui/find_bar/find_bar_controller.h"
#include "chrome/browser/ui/global_error/global_error.h"
#include "chrome/browser/ui/global_error/global_error_service.h"
#include "chrome/browser/ui/global_error/global_error_service_factory.h"
#include "chrome/browser/ui/location_bar/location_bar.h"
#include "chrome/browser/ui/overscroll_pref_manager.h"
#include "chrome/browser/ui/page_action/page_action_icon_type.h"
#include "chrome/browser/ui/sad_tab.h"
#include "chrome/browser/ui/search/search_tab_helper.h"
#include "chrome/browser/ui/signin/cookie_clear_on_exit_migration_notice.h"
#include "chrome/browser/ui/singleton_tabs.h"
#include "chrome/browser/ui/status_bubble.h"
#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
#include "chrome/browser/ui/tab_dialogs.h"
#include "chrome/browser/ui/tab_helpers.h"
#include "chrome/browser/ui/tab_modal_confirm_dialog.h"
#include "chrome/browser/ui/tabs/saved_tab_groups/saved_tab_group_utils.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/tabs/tab_group_model.h"
#include "chrome/browser/ui/tabs/tab_menu_model.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/tabs/tab_utils.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/unload_controller.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/contents_web_view.h"
#include "chrome/browser/ui/views/status_bubble_views.h"
#include "chrome/browser/ui/web_applications/app_browser_controller.h"
#include "chrome/browser/ui/web_applications/web_app_launch_utils.h"
#include "chrome/browser/ui/webui/new_tab_page/new_tab_page_ui.h"
#include "chrome/browser/ui/webui/new_tab_page_third_party/new_tab_page_third_party_ui.h"
#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
#include "chrome/browser/ui/webui/signin/login_ui_service.h"
#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
#include "chrome/browser/ui/window_sizer/window_sizer.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "chrome/browser/web_applications/web_app_utils.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/grit/branded_strings.h"
#include "chrome/grit/generated_resources.h"
#include "components/blocked_content/list_item_position.h"
#include "components/blocked_content/popup_blocker.h"
#include "components/blocked_content/popup_blocker_tab_helper.h"
#include "components/blocked_content/popup_tracker.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/bookmarks/browser/bookmark_utils.h"
#include "components/bookmarks/common/bookmark_pref_names.h"
#include "components/breadcrumbs/core/breadcrumbs_status.h"
#include "components/captive_portal/core/buildflags.h"
#include "components/content_settings/browser/page_specific_content_settings.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/custom_handlers/protocol_handler.h"
#include "components/custom_handlers/protocol_handler_registry.h"
#include "components/custom_handlers/register_protocol_handler_permission_request.h"
#include "components/favicon/content/content_favicon_driver.h"
#include "components/find_in_page/find_tab_helper.h"
#include "components/infobars/content/content_infobar_manager.h"
#include "components/javascript_dialogs/tab_modal_dialog_manager.h"
#include "components/keep_alive_registry/keep_alive_registry.h"
#include "components/keep_alive_registry/keep_alive_types.h"
#include "components/keep_alive_registry/scoped_keep_alive.h"
#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"
#include "components/page_load_metrics/common/page_load_metrics.mojom.h"
#include "components/paint_preview/buildflags/buildflags.h"
#include "components/permissions/permission_request_manager.h"
#include "components/prefs/pref_service.h"
#include "components/saved_tab_groups/public/tab_group_sync_service.h"
#include "components/sessions/content/session_tab_helper.h"
#include "components/sessions/core/session_types.h"
#include "components/sessions/core/tab_restore_service.h"
#include "components/startup_metric_utils/browser/startup_metric_utils.h"
#include "components/tabs/public/split_tab_data.h"
#include "components/tabs/public/split_tab_id.h"
#include "components/tabs/public/split_tab_visual_data.h"
#include "components/tabs/public/tab_group.h"
#include "components/tabs/public/tab_interface.h"
#include "components/user_manager/user_manager.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "components/zoom/zoom_controller.h"
#include "content/public/browser/color_chooser.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/file_select_listener.h"
#include "content/public/browser/invalidate_type.h"
#include "content/public/browser/keyboard_event_processing_result.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/ssl_status.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_exposed_isolation_level.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_features.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/profiling.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/webplugininfo.h"
#include "content/public/common/window_container_type.mojom-shared.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/process_map.h"
#include "extensions/buildflags/buildflags.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "net/base/filename_util.h"
#include "ppapi/buildflags/buildflags.h"
#include "third_party/blink/public/common/security/protocol_handler_security_level.h"
#include "third_party/blink/public/mojom/frame/blocked_navigation_types.mojom.h"
#include "third_party/blink/public/mojom/frame/frame.mojom.h"
#include "third_party/blink/public/mojom/frame/fullscreen.mojom.h"
#include "third_party/blink/public/mojom/page/draggable_region.mojom.h"
#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom.h"
#include "third_party/blink/public/mojom/window_features/window_features.mojom.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/mojom/window_show_state.mojom.h"
#include "ui/base/window_open_disposition.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/text_elider.h"
#include "ui/gfx/text_utils.h"
#include "ui/shell_dialogs/selected_file_info.h"
#include "url/origin.h"
#include "url/scheme_host_port.h"
#if BUILDFLAG(IS_WIN)
// windows.h must be included before shellapi.h
#include <windows.h>
#include <shellapi.h>
#include "chrome/browser/ui/view_ids.h"
#include "ui/base/win/shell.h"
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/constants/ash_features.h"
#include "chrome/browser/ash/guest_os/guest_os_terminal.h"
#include "chrome/browser/ui/settings_window_manager_chromeos.h"
#include "components/session_manager/core/session_manager.h"
#endif
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
#include "components/captive_portal/content/captive_portal_tab_helper.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/extension_browser_window_helper.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "components/printing/browser/print_composite_client.h"
#endif
#if BUILDFLAG(ENABLE_PAINT_PREVIEW)
#include "components/paint_preview/browser/paint_preview_client.h" // nogncheck
#endif
#if BUILDFLAG(IS_MAC)
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/display/types/display_constants.h"
#endif // BUILDFLAG(IS_MAC)
#if !BUILDFLAG(IS_ANDROID)
#include "chrome/browser/preloading/preview/preview_manager.h"
#endif
#if BUILDFLAG(IS_OZONE)
#include "ui/ozone/public/platform_session_manager.h"
#endif
#if BUILDFLAG(ENABLE_GLIC)
#include "chrome/browser/ai/ai_data_keyed_service.h" // nogncheck
#include "chrome/browser/ai/ai_data_keyed_service_factory.h" // nogncheck
#include "chrome/browser/glic/glic_enabling.h"
#include "chrome/browser/glic/glic_keyed_service.h"
#endif
using base::UserMetricsAction;
using content::NavigationController;
using content::NavigationEntry;
using content::OpenURLParams;
using content::Referrer;
using content::RenderWidgetHostView;
using content::SiteInstance;
using content::WebContents;
using custom_handlers::ProtocolHandler;
using extensions::Extension;
using input::NativeWebKeyboardEvent;
using ui::WebDialogDelegate;
using web_modal::WebContentsModalDialogManager;
///////////////////////////////////////////////////////////////////////////////
namespace {
// How long we wait before updating the browser chrome while loading a page.
constexpr base::TimeDelta kUIUpdateCoalescingTime = base::Milliseconds(200);
BrowserWindow* CreateBrowserWindow(std::unique_ptr<Browser> browser,
bool user_gesture,
bool in_tab_dragging) {
return BrowserWindow::CreateBrowserWindow(std::move(browser), user_gesture,
in_tab_dragging);
}
const extensions::Extension* GetExtensionForOrigin(
Profile* profile,
const GURL& security_origin) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!security_origin.SchemeIs(extensions::kExtensionScheme)) {
return nullptr;
}
const extensions::Extension* extension =
extensions::ExtensionRegistry::Get(profile)->enabled_extensions().GetByID(
security_origin.host());
DCHECK(extension);
return extension;
#else
return nullptr;
#endif
}
bool IsOnKioskSplashScreen() {
#if BUILDFLAG(IS_CHROMEOS)
session_manager::SessionManager* session_manager =
session_manager::SessionManager::Get();
if (!session_manager) {
return false;
}
// We have to check this way because of CHECK() in UserManager::Get().
if (!user_manager::UserManager::IsInitialized()) {
return false;
}
user_manager::UserManager* user_manager = user_manager::UserManager::Get();
if (!user_manager->IsLoggedInAsAnyKioskApp()) {
return false;
}
if (session_manager->session_state() !=
session_manager::SessionState::LOGIN_PRIMARY) {
return false;
}
return true;
#else
return false;
#endif
}
// Returns a pair [last_window, last_window_for_profile] indicating if `browser`
// is the only browser in total and for this profile.
// Ignores browsers that are in the process of closing.
std::pair<bool, bool> IsLastWindow(const Browser& browser) {
bool last_window = true;
bool last_window_for_profile = true;
for (Browser* other_browser : *BrowserList::GetInstance()) {
// Don't count this browser window or any other in the process of closing.
// Window closing may be delayed, and windows that are in the process of
// closing don't count against our totals.
if (other_browser == &browser ||
other_browser->IsAttemptingToCloseBrowser()) {
continue;
}
last_window = false;
if (other_browser->profile() == browser.profile()) {
last_window_for_profile = false;
break;
}
}
return {last_window, last_window_for_profile};
}
// Returns whether the cookie migration notice should be shown: the migration
// is not complete, and this is the last browser window open for this profile.
bool ShouldShowCookieMigrationNoticeForBrowser(const Browser& browser) {
if (!CanShowCookieClearOnExitMigrationNotice(browser)) {
return false;
}
auto [last_window, last_window_for_profile] = IsLastWindow(browser);
return last_window_for_profile;
}
void UpdateTabGroupSessionMetadata(Browser* browser,
const tab_groups::TabGroupId& group_id) {
SessionService* const session_service =
SessionServiceFactory::GetForProfile(browser->profile());
if (!session_service) {
return;
}
const tab_groups::TabGroupVisualData* visual_data =
browser->tab_strip_model()
->group_model()
->GetTabGroup(group_id)
->visual_data();
session_service->SetTabGroupMetadata(browser->session_id(), group_id,
visual_data);
}
bool ShouldHideUIForFullscreenWrapper(const Browser* browser) {
return browser->ShouldHideUIForFullscreen();
}
bool AlwaysReturnTrue(const Browser* browser) {
return true;
}
bool AlwaysReturnFalse(const Browser* browser) {
return false;
}
base::FunctionRef<bool(const Browser*)> MaybeLazyIsFullscreen(
const Browser* browser) {
// Returns a base::FunctionRef instead of a Base::RepeatingCallback to reduce
// allocation overhead, since this is a performance experiment.
if (base::FeatureList::IsEnabled(features::kInlineFullscreenPerfExperiment)) {
// In the experiment branch, lazy-eval ShouldHideUIForFullscreen.
return &ShouldHideUIForFullscreenWrapper;
}
// In the control branch, eagerly evaluate ShouldHideUIForFullscreen.
return browser->ShouldHideUIForFullscreen() ? &AlwaysReturnTrue
: &AlwaysReturnFalse;
}
bool IsActorExecutionEngineActingOnTab(Profile* profile,
const content::WebContents* tab) {
// TODO(crbug.com/411462297): Delete this code.
#if BUILDFLAG(ENABLE_GLIC)
if (glic::GlicEnabling::IsEnabledByFlags()) {
if (const auto* glic_service = glic::GlicKeyedService::Get(profile);
glic_service && glic_service->IsExecutionEngineActingOnTab(tab)) {
return true;
}
}
#endif
auto* actor_service = actor::ActorKeyedService::Get(profile);
if (actor_service) {
for (auto& [task_id, task] : actor_service->GetTasks()) {
if (task->GetExecutionEngine()->HasTaskForTab(tab)) {
return true;
}
}
}
return false;
}
// TODO(crbug.com/382494946): Similar bespoke checks are used throughout the
// codebase. This should be factored out as a common util and other callsites
// converted to use this.
bool IsShowingNTP(content::WebContents* web_contents) {
if (SadTab::ShouldShow(web_contents->GetCrashedStatus())) {
return false;
}
// Use the committed entry (or the visible entry, if the committed entry is
// the initial NavigationEntry) so the bookmarks bar disappears at the same
// time the page does.
content::NavigationEntry* entry =
web_contents->GetController().GetLastCommittedEntry();
if (entry->IsInitialEntry()) {
entry = web_contents->GetController().GetVisibleEntry();
}
const GURL& url = entry->GetURL();
return NewTabUI::IsNewTab(url) || NewTabPageUI::IsNewTabPageOrigin(url) ||
NewTabPageThirdPartyUI::IsNewTabPageOrigin(url) ||
search::NavEntryIsInstantNTP(web_contents, entry);
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Browser, CreateParams:
BrowserWindowInterface* BrowserWindowInterface::FromSessionID(
const SessionID& session_id) {
for (Browser* browser : *BrowserList::GetInstance()) {
if (browser->GetSessionID() == session_id) {
return browser;
}
}
return nullptr;
}
Browser::CreateParams::CreateParams(Profile* profile, bool user_gesture)
: CreateParams(TYPE_NORMAL, profile, user_gesture) {}
Browser::CreateParams::CreateParams(Type type,
Profile* profile,
bool user_gesture)
: type(type), profile(profile), user_gesture(user_gesture) {}
Browser::CreateParams::CreateParams(const CreateParams& other) = default;
Browser::CreateParams& Browser::CreateParams::operator=(
const CreateParams& other) = default;
Browser::CreateParams::~CreateParams() = default;
// static
Browser::CreateParams Browser::CreateParams::CreateForAppBase(
bool is_popup,
const std::string& app_name,
bool trusted_source,
const gfx::Rect& window_bounds,
Profile* profile,
bool user_gesture) {
DCHECK(!app_name.empty());
CreateParams params(is_popup ? Type::TYPE_APP_POPUP : Type::TYPE_APP, profile,
user_gesture);
params.app_name = app_name;
params.trusted_source = trusted_source;
params.initial_bounds = window_bounds;
params.are_tab_groups_enabled = false;
return params;
}
// static
Browser::CreateParams Browser::CreateParams::CreateForApp(
const std::string& app_name,
bool trusted_source,
const gfx::Rect& window_bounds,
Profile* profile,
bool user_gesture) {
return CreateForAppBase(false, app_name, trusted_source, window_bounds,
profile, user_gesture);
}
// static
Browser::CreateParams Browser::CreateParams::CreateForAppPopup(
const std::string& app_name,
bool trusted_source,
const gfx::Rect& window_bounds,
Profile* profile,
bool user_gesture) {
return CreateForAppBase(true, app_name, trusted_source, window_bounds,
profile, user_gesture);
}
// static
Browser::CreateParams Browser::CreateParams::CreateForPictureInPicture(
const std::string& app_name,
bool trusted_source,
Profile* profile,
bool user_gesture) {
Browser::CreateParams browser_params(Browser::TYPE_PICTURE_IN_PICTURE,
profile, user_gesture);
browser_params.app_name = app_name;
browser_params.trusted_source = trusted_source;
return browser_params;
}
// static
Browser::CreateParams Browser::CreateParams::CreateForDevTools(
Profile* profile) {
CreateParams params(TYPE_DEVTOOLS, profile, true);
params.app_name = DevToolsWindow::kDevToolsApp;
params.trusted_source = true;
return params;
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Constructors, Creation, Showing:
// static
Browser::CreationStatus Browser::GetCreationStatusForProfile(Profile* profile) {
if (!g_browser_process || g_browser_process->IsShuttingDown()) {
return CreationStatus::kErrorNoProcess;
}
if (!IncognitoModePrefs::CanOpenBrowser(profile) ||
(profile->IsGuestSession() && !profile->IsOffTheRecord()) ||
!profile->AllowsBrowserWindows() ||
IsProfileDirectoryMarkedForDeletion(profile->GetPath())) {
return CreationStatus::kErrorProfileUnsuitable;
}
if (IsOnKioskSplashScreen()) {
return CreationStatus::kErrorLoadingKiosk;
}
return CreationStatus::kOk;
}
// static
Browser* Browser::Create(const CreateParams& params) {
// If this is failing, a caller is trying to create a browser when creation is
// not possible, e.g. using the wrong profile or during shutdown. The caller
// should handle this; see e.g. crbug.com/1141608 and crbug.com/1261628.
CHECK_EQ(CreationStatus::kOk, GetCreationStatusForProfile(params.profile));
return new Browser(params);
}
// static
std::unique_ptr<Browser> Browser::DeprecatedCreateOwnedForTesting(
const CreateParams& params) {
CHECK_IS_TEST();
// If this is failing, a caller is trying to create a browser when creation is
// not possible, e.g. using the wrong profile or during shutdown. The caller
// should handle this; see e.g. crbug.com/1141608 and crbug.com/1261628.
CHECK_EQ(CreationStatus::kOk, GetCreationStatusForProfile(params.profile));
return base::WrapUnique(new Browser(params));
}
Browser::Browser(const CreateParams& params)
: create_params_(params),
type_(params.type),
profile_(params.profile),
window_(nullptr),
tab_strip_model_delegate_(
std::make_unique<chrome::BrowserTabStripModelDelegate>(this)),
tab_strip_model_(std::make_unique<TabStripModel>(
tab_strip_model_delegate_.get(),
params.profile,
params.are_tab_groups_enabled ? TabGroupModelFactory::GetInstance()
: nullptr)),
app_name_(params.app_name),
is_trusted_source_(params.trusted_source),
session_id_(SessionID::NewUnique()),
omit_from_session_restore_(params.omit_from_session_restore),
should_trigger_session_restore_(params.should_trigger_session_restore),
cancel_download_confirmation_state_(NOT_PROMPTED),
override_bounds_(params.initial_bounds),
initial_show_state_(params.initial_show_state),
initial_workspace_(params.initial_workspace),
initial_visible_on_all_workspaces_state_(
params.initial_visible_on_all_workspaces_state),
creation_source_(params.creation_source),
unload_controller_(this),
content_setting_bubble_model_delegate_(
new BrowserContentSettingBubbleModelDelegate(this)),
live_tab_context_(new BrowserLiveTabContext(this)),
app_controller_(web_app::MaybeCreateAppBrowserController(this)),
bookmark_bar_state_(BookmarkBar::HIDDEN),
browser_actions_(new BrowserActions(*this)),
command_controller_(new chrome::BrowserCommandController(this)),
window_has_shown_(false),
user_title_(params.user_title),
breadcrumb_manager_browser_agent_(
breadcrumbs::IsEnabled(g_browser_process->local_state())
? std::make_unique<BreadcrumbManagerBrowserAgent>(this)
: nullptr)
#if BUILDFLAG(ENABLE_EXTENSIONS)
,
extension_browser_window_helper_(
std::make_unique<extensions::ExtensionBrowserWindowHelper>(this))
#endif
#if defined(USE_AURA)
,
overscroll_pref_manager_(std::make_unique<OverscrollPrefManager>(this))
#endif
{
browser_actions_->InitializeBrowserActions();
if (!profile_->IsOffTheRecord()) {
profile_keep_alive_ = std::make_unique<ScopedProfileKeepAlive>(
params.profile->GetOriginalProfile(),
ProfileKeepAliveOrigin::kBrowserWindow);
}
tab_strip_model_->AddObserver(this);
ThemeServiceFactory::GetForProfile(profile_)->AddObserver(this);
profile_pref_registrar_.Init(profile_->GetPrefs());
profile_pref_registrar_.Add(
prefs::kDevToolsAvailability,
base::BindRepeating(&Browser::OnDevToolsAvailabilityChanged,
base::Unretained(this)));
profile_pref_registrar_.Add(
bookmarks::prefs::kShowBookmarkBar,
base::BindRepeating(&Browser::UpdateBookmarkBarState,
base::Unretained(this),
BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE));
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT);
ProfileMetrics::LogProfileLaunch(profile_);
if (params.skip_window_init_for_testing) {
return;
}
// BrowserWindowFeatures need to be initialized before browser window
// creation, so that the features can be used in creating components
// in browser window.
features_ = BrowserWindowFeatures::CreateBrowserWindowFeatures();
features_->Init(this);
SessionServiceBase* session_service =
GetAppropriateSessionServiceForSessionRestore(this);
#if BUILDFLAG(IS_OZONE)
if (session_service && session_service->GetPlatformSessionId()) {
platform_session_data_ = ui::PlatformSessionWindowData{
.session_id = session_service->GetPlatformSessionId().value(),
.window_id = session_id_.id(),
.restore_id = params.restore_id > Browser::kDefaultRestoreId
? std::optional<int32_t>(params.restore_id)
: std::nullopt};
}
#endif // BUILDFLAG(IS_OZONE)
window_ = params.window ? params.window.get()
: CreateBrowserWindow(std::unique_ptr<Browser>(this),
params.user_gesture,
params.in_tab_dragging);
if (app_controller_) {
app_controller_->UpdateCustomTabBarVisibility(false);
}
if (session_service) {
session_service->WindowOpened(this);
}
// Initialize the browser features that rely on the browser window now that it
// is initialized.
features_->InitPostWindowConstruction(this);
BrowserList::AddBrowser(this);
}
Browser::~Browser() {
// Tear down `BrowserWindowFeatures` and `BrowserUserData`s now to avoid
// exposing them to Browser in a partially-destroyed state. Eventually,
// all BrowserUserData should be converted to features. Until then,
// destroy `features_` because that's what breaks things the least :)
features_.reset();
ClearAllUserData();
// Stop observing notifications and destroy the tab monitor before continuing
// with destruction. Profile destruction will unload extensions and reentrant
// calls to Browser:: should be avoided while it is being torn down.
ThemeServiceFactory::GetForProfile(profile_)->RemoveObserver(this);
extension_browser_window_helper_.reset();
// The tab strip should not have any tabs at this point.
//
// TODO(crbug.com/40887606): This DCHECK doesn't always pass.
// TODO(crbug.com/40064092): convert this to CHECK.
DCHECK(tab_strip_model_->empty());
// Destroy the BrowserCommandController before removing the browser, so that
// it doesn't act on any notifications that are sent as a result of removing
// the browser.
command_controller_.reset();
// Remove listeners associated with browser actions so that
// it doesn't act on any during browser destruction.
browser_actions_->RemoveListeners();
// Destroy ExclusiveAccessManager, which depends on `window_` which may be
// destroyed by RemoveBrowser().
BrowserList::RemoveBrowser(this);
// If closing the window is going to trigger a shutdown, then we need to
// schedule all active downloads to be cancelled. This needs to be after
// removing |this| from BrowserList so that OkToClose...() can determine
// whether there are any other windows open for the browser.
int num_downloads;
if (!browser_defaults::kBrowserAliveWithNoWindows &&
OkToCloseWithInProgressDownloads(&num_downloads) ==
DownloadCloseType::kBrowserShutdown) {
DownloadCoreService::CancelAllDownloads(
DownloadCoreService::CancelDownloadsTrigger::kShutdown);
}
SessionServiceBase* service = GetAppropriateSessionServiceForProfile(this);
if (service) {
service->WindowClosed(session_id_);
}
sessions::TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
if (tab_restore_service) {
tab_restore_service->BrowserClosed(live_tab_context());
}
profile_pref_registrar_.Reset();
// The system incognito profile should not try be destroyed using
// ProfileDestroyer::DestroyProfileWhenAppropriate(). This profile can be
// used, at least, by the user manager window. This window is not a browser,
// therefore, BrowserList::IsOffTheRecordBrowserActiveForProfile(profile_)
// returns false, while the user manager window is still opened.
// This cannot be fixed in ProfileDestroyer::DestroyProfileWhenAppropriate(),
// because the ProfileManager needs to be able to destroy all profiles when
// it is destroyed. See crbug.com/527035
//
// Non-primary OffTheRecord profiles should not be destroyed directly by
// Browser (e.g. for offscreen tabs, https://crbug.com/664351).
//
// TODO(crbug.com/40159237): Use ScopedProfileKeepAlive for Incognito too,
// instead of separate logic for Incognito and regular profiles.
if (profile_->IsIncognitoProfile() &&
!BrowserList::IsOffTheRecordBrowserInUse(profile_) &&
!profile_->IsSystemProfile()) {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
// The Printing Background Manager holds onto preview dialog WebContents
// whose corresponding print jobs have not yet fully spooled. Make sure
// these get destroyed before tearing down the incognito profile so that
// their RenderFrameHosts can exit in time - see crbug.com/579155
g_browser_process->background_printing_manager()
->DeletePreviewContentsForBrowserContext(profile_);
#endif
// An incognito profile is no longer needed, this indirectly frees
// its cache and cookies once it gets destroyed at the appropriate time.
ProfileDestroyer::DestroyOTRProfileWhenAppropriate(profile_);
}
// There may be pending file dialogs, we need to tell them that we've gone
// away so they don't try and call back to us.
if (select_file_dialog_.get()) {
select_file_dialog_->ListenerDestroyed();
}
}
///////////////////////////////////////////////////////////////////////////////
// Getters & Setters
BrowserView& Browser::GetBrowserView() {
return CHECK_DEREF(window_->AsBrowserView());
}
base::WeakPtr<Browser> Browser::AsWeakPtr() {
return weak_factory_.GetWeakPtr();
}
base::WeakPtr<const Browser> Browser::AsWeakPtr() const {
return weak_factory_.GetWeakPtr();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, State Storage and Retrieval for UI:
GURL Browser::GetNewTabURL() const {
if (app_controller_) {
return app_controller_->GetAppNewTabUrl();
}
return GURL(chrome::kChromeUINewTabURL);
}
gfx::Image Browser::GetCurrentPageIcon() const {
WebContents* web_contents = tab_strip_model_->GetActiveWebContents();
// |web_contents| can be NULL since GetCurrentPageIcon() is called by the
// window during the window's creation (before tabs have been added).
favicon::FaviconDriver* favicon_driver =
web_contents
? favicon::ContentFaviconDriver::FromWebContents(web_contents)
: nullptr;
return favicon_driver ? favicon_driver->GetFavicon() : gfx::Image();
}
std::u16string Browser::GetWindowTitleForCurrentTab(
bool include_app_name) const {
if (!user_title_.empty()) {
return base::UTF8ToUTF16(user_title_);
}
// For document picture-in-picture windows, we use the title from the opener
// WebContents instead of the picture-in-picture WebContents itself.
content::WebContents* web_contents_for_title =
is_type_picture_in_picture()
? PictureInPictureWindowManager::GetInstance()->GetWebContents()
: tab_strip_model_->GetActiveWebContents();
return GetWindowTitleFromWebContents(include_app_name,
web_contents_for_title);
}
std::u16string Browser::GetWindowTitleForTab(int index) const {
std::u16string title = base::UTF8ToUTF16(user_title_);
if (title.empty()) {
title = tab_strip_model_->GetWebContentsAt(index)->GetTitle();
if (is_type_picture_in_picture()) {
content::WebContents* pip_web_contents =
PictureInPictureWindowManager::GetInstance()->GetWebContents();
if (pip_web_contents) {
title = pip_web_contents->GetTitle();
}
}
title = FormatTitleForDisplay(title);
}
if (title.empty() && (is_type_normal() || is_type_popup())) {
title = CoreTabHelper::GetDefaultTitle();
}
return title;
}
std::u16string Browser::GetTitleForTab(int index) const {
std::u16string title = FormatTitleForDisplay(
tab_strip_model_->GetWebContentsAt(index)->GetTitle());
if (title.empty()) {
title = CoreTabHelper::GetDefaultTitle();
}
return title;
}
std::u16string Browser::GetWindowTitleForMaxWidth(int max_width) const {
static constexpr unsigned int kMinTitleCharacters = 4;
const gfx::FontList font_list;
if (!user_title_.empty()) {
std::u16string title = base::UTF8ToUTF16(user_title_);
std::u16string pixel_elided_title = gfx::ElideText(
title, font_list, max_width, gfx::ElideBehavior::ELIDE_TAIL);
std::u16string character_elided_title =
gfx::TruncateString(title, kMinTitleCharacters, gfx::CHARACTER_BREAK);
return pixel_elided_title.size() > character_elided_title.size()
? pixel_elided_title
: character_elided_title;
}
const auto num_more_tabs = tab_strip_model_->count() - 1;
const std::u16string format_string = l10n_util::GetPluralStringFUTF16(
IDS_BROWSER_WINDOW_TITLE_MENU_ENTRY, num_more_tabs);
// First, format with an empty string to see how much space we have available.
std::u16string temp_window_title =
base::ReplaceStringPlaceholders(format_string, std::u16string(), nullptr);
int width = max_width - GetStringWidth(temp_window_title, font_list);
std::u16string title;
content::WebContents* contents = tab_strip_model_->GetActiveWebContents();
// |contents| can be NULL if GetWindowTitleForMenu is called during the
// window's creation (before tabs have been added).
if (contents) {
title = FormatTitleForDisplay(app_controller_ ? app_controller_->GetTitle()
: contents->GetTitle());
}
// If there is no title, leave it empty for apps.
if (title.empty() && (is_type_normal() || is_type_popup())) {
title = CoreTabHelper::GetDefaultTitle();
}
// Try to elide the title to fit the pixel width. If that will make the title
// shorter than the minimum character limit, use a character elided title
// instead.
std::u16string pixel_elided_title =
gfx::ElideText(title, font_list, width, gfx::ElideBehavior::ELIDE_TAIL);
std::u16string character_elided_title =
gfx::TruncateString(title, kMinTitleCharacters, gfx::CHARACTER_BREAK);
title = pixel_elided_title.size() > character_elided_title.size()
? pixel_elided_title
: character_elided_title;
// Finally, add the page title.
return base::ReplaceStringPlaceholders(format_string, title, nullptr);
}
std::u16string Browser::GetWindowTitleFromWebContents(
bool include_app_name,
content::WebContents* contents) const {
std::u16string title = base::UTF8ToUTF16(user_title_);
// |contents| can be NULL because GetWindowTitleForCurrentTab is called by the
// window during the window's creation (before tabs have been added).
if (title.empty() && contents) {
title = FormatTitleForDisplay(app_controller_ ? app_controller_->GetTitle()
: contents->GetTitle());
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
// If the app name is requested and this is a captive portal window, the
// title should indicate that this is a captive portal window. Captive
// portal windows should always be pop-ups, and the is_captive_portal_window
// condition should not change over the lifetime of a WebContents.
if (include_app_name &&
captive_portal::CaptivePortalTabHelper::FromWebContents(contents) &&
captive_portal::CaptivePortalTabHelper::FromWebContents(contents)
->is_captive_portal_window()) {
DCHECK(is_type_popup());
return l10n_util::GetStringFUTF16(
IDS_CAPTIVE_PORTAL_BROWSER_WINDOW_TITLE_FORMAT,
title.empty() ? CoreTabHelper::GetDefaultTitle() : title);
}
#endif
}
// If there is no title, leave it empty for apps.
if (title.empty() && (is_type_normal() || is_type_popup())) {
title = CoreTabHelper::GetDefaultTitle();
}
#if BUILDFLAG(IS_MAC)
// On Mac, we don't want to suffix the page title with the application name.
return title;
#else
// If there is no title and this is an app, fall back on the app name. This
// ensures that the native window gets a title which is important for a11y,
// for example the window selector uses the Aura window title.
if (title.empty() &&
(is_type_app() || is_type_app_popup() || is_type_devtools()) &&
include_app_name) {
return app_controller_ ? app_controller_->GetAppShortName()
: base::UTF8ToUTF16(app_name());
}
// Include the app name in window titles for tabbed browser windows when
// requested with |include_app_name|.
return ((is_type_normal() || is_type_popup()) && include_app_name)
? l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT,
title)
: title;
#endif // BUILDFLAG(IS_MAC)
}
// static
std::u16string Browser::FormatTitleForDisplay(std::u16string title) {
size_t current_index = 0;
size_t match_index;
while ((match_index = title.find(L'\n', current_index)) !=
std::u16string::npos) {
title.replace(match_index, 1, std::u16string());
current_index = match_index;
}
return title;
}
///////////////////////////////////////////////////////////////////////////////
// Browser, OnBeforeUnload handling:
Browser::WarnBeforeClosingResult Browser::MaybeWarnBeforeClosing(
Browser::WarnBeforeClosingCallback warn_callback) {
// If the browser can close right away (we've indicated that we want to skip
// before-unload handlers by setting `force_skip_warning_user_on_close_` to
// true or there are no pending downloads we need to prompt about) then
// there's no need to warn.
if (force_skip_warning_user_on_close_) {
return WarnBeforeClosingResult::kOkToClose;
}
// `CanCloseWithInProgressDownloads()` may trigger a modal dialog.
bool can_close_with_downloads = CanCloseWithInProgressDownloads();
if (can_close_with_downloads &&
!ShouldShowCookieMigrationNoticeForBrowser(*this)) {
return WarnBeforeClosingResult::kOkToClose;
}
// If there is no download warning, show the cookie migration notice now.
// Otherwise, the download warning is being shown. Cookie migration notice
// will be shown after, if needed.
if (can_close_with_downloads) {
ShowCookieClearOnExitMigrationNotice(
*this, base::BindOnce(&Browser::CookieMigrationNoticeResponse,
weak_factory_.GetWeakPtr()));
}
DCHECK(!warn_before_closing_callback_)
<< "Tried to close window during close warning; dialog should be modal.";
warn_before_closing_callback_ = std::move(warn_callback);
return WarnBeforeClosingResult::kDoNotClose;
}
BrowserClosingStatus Browser::HandleBeforeClose() {
// If `force_skip_warning_user_` is true, then we should immediately
// return true.
if (force_skip_warning_user_on_close_) {
return BrowserClosingStatus::kPermitted;
}
// If the user needs to see one or more warnings, hold off closing the
// browser.
const WarnBeforeClosingResult result = MaybeWarnBeforeClosing(base::BindOnce(
&Browser::FinishWarnBeforeClosing, weak_factory_.GetWeakPtr()));
if (result == WarnBeforeClosingResult::kDoNotClose) {
return BrowserClosingStatus::kDeniedByUser;
}
return unload_controller_.GetBrowserClosingStatus();
}
bool Browser::TryToCloseWindow(
bool skip_beforeunload,
const base::RepeatingCallback<void(bool)>& on_close_confirmed) {
cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
return unload_controller_.TryToCloseWindow(skip_beforeunload,
on_close_confirmed);
}
void Browser::ResetTryToCloseWindow() {
cancel_download_confirmation_state_ = NOT_PROMPTED;
unload_controller_.ResetTryToCloseWindow();
}
bool Browser::IsAttemptingToCloseBrowser() const {
return unload_controller_.is_attempting_to_close_browser();
}
bool Browser::ShouldRunUnloadListenerBeforeClosing(
content::WebContents* web_contents) {
return !force_skip_warning_user_on_close_ &&
unload_controller_.ShouldRunUnloadEventsHelper(web_contents);
}
bool Browser::RunUnloadListenerBeforeClosing(
content::WebContents* web_contents) {
return !force_skip_warning_user_on_close_ &&
unload_controller_.RunUnloadEventsHelper(web_contents);
}
void Browser::SetWindowUserTitle(const std::string& user_title) {
user_title_ = user_title;
window_->UpdateTitleBar();
// See comment in Browser::OnTabGroupChanged
DCHECK(!IsRelevantToAppSessionService(type_));
SessionService* const session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service) {
session_service->SetWindowUserTitle(session_id(), user_title);
}
}
Browser* Browser::GetBrowserForOpeningWebUi() {
if (!is_type_picture_in_picture()) {
return this;
}
if (!opener_browser_) {
auto* opener_web_contents =
PictureInPictureWindowManager::GetInstance()->GetWebContents();
// We should always have an opener web contents if the current browser is a
// picture-in-picture type.
DCHECK(opener_web_contents);
opener_browser_ = chrome::FindBrowserWithTab(opener_web_contents);
}
return opener_browser_;
}
std::vector<StatusBubble*> Browser::GetStatusBubblesForTesting() {
return GetStatusBubbles();
}
void Browser::SetForceShowBookmarkBarFlag(ForceShowBookmarkBarFlag flag) {
force_show_bookmark_bar_flags_ |= flag;
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_FORCE_SHOW);
}
void Browser::ClearForceShowBookmarkBarFlag(ForceShowBookmarkBarFlag flag) {
force_show_bookmark_bar_flags_ &= ~flag;
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_FORCE_SHOW);
}
views::WebView* Browser::GetWebView() {
return window_->GetContentsWebView();
}
Profile* Browser::GetProfile() {
return profile();
}
void Browser::OpenGURL(const GURL& gurl, WindowOpenDisposition disposition) {
OpenURL(content::OpenURLParams(gurl, content::Referrer(), disposition,
ui::PAGE_TRANSITION_LINK,
/*is_renderer_initiated=*/false),
/*navigation_handle_callback=*/{});
}
const SessionID& Browser::GetSessionID() const {
return session_id_;
}
TabStripModel* Browser::GetTabStripModel() {
return tab_strip_model_.get();
}
bool Browser::IsTabStripVisible() {
return window_ && window_->IsToolbarShowing();
}
bool Browser::ShouldHideUIForFullscreen() const {
// Windows and GTK remove the browser controls in fullscreen, but Mac and Ash
// keep the controls in a slide-down panel.
return window_ && window_->ShouldHideUIForFullscreen();
}
base::CallbackListSubscription Browser::RegisterBrowserDidClose(
BrowserDidCloseCallback callback) {
return browser_did_close_callback_list_.Add(std::move(callback));
}
views::View* Browser::TopContainer() {
return window_->GetTopContainer();
}
base::WeakPtr<BrowserWindowInterface> Browser::GetWeakPtr() {
return AsWeakPtr();
}
views::View* Browser::LensOverlayView() {
return window_->GetLensOverlayView();
}
base::CallbackListSubscription Browser::RegisterActiveTabDidChange(
ActiveTabChangeCallback callback) {
return did_active_tab_change_callback_list_.Add(std::move(callback));
}
tabs::TabInterface* Browser::GetActiveTabInterface() {
return tab_strip_model_->GetActiveTab();
}
BrowserWindowFeatures& Browser::GetFeatures() {
return *features_.get();
}
const BrowserWindowFeatures& Browser::GetFeatures() const {
return *features_.get();
}
UnownedUserDataHost& Browser::GetUnownedUserDataHost() {
return unowned_user_data_host_;
}
const UnownedUserDataHost& Browser::GetUnownedUserDataHost() const {
return unowned_user_data_host_;
}
web_modal::WebContentsModalDialogHost*
Browser::GetWebContentsModalDialogHostForWindow() {
return window_->GetWebContentsModalDialogHost();
}
bool Browser::IsActive() const {
// TODO(https://crbug.com/376306245): This is a temporary workaround for the
// fact that window_->IsActive() does not return the right result for macOS
// standalone PWA windows. This new behavior is still not technically correct,
// since it's checking that the last active window is `this`, as opposed to
// whether `this` is active.
#if BUILDFLAG(IS_MAC)
// If this is a standalone PWA window, check BrowserList instead.
if (app_controller_) {
return BrowserList::GetInstance()->GetLastActive() == this;
}
#endif
return is_active_;
}
base::CallbackListSubscription Browser::RegisterDidBecomeActive(
DidBecomeActiveCallback callback) {
return did_become_active_callback_list_.Add(std::move(callback));
}
base::CallbackListSubscription Browser::RegisterDidBecomeInactive(
DidBecomeInactiveCallback callback) {
return did_become_inactive_callback_list_.Add(std::move(callback));
}
ExclusiveAccessManager* Browser::GetExclusiveAccessManager() {
return GetFeatures().exclusive_access_manager();
}
ImmersiveModeController* Browser::GetImmersiveModeController() {
return GetBrowserView().immersive_mode_controller();
}
BrowserActions* Browser::GetActions() {
return browser_actions();
}
BrowserWindowInterface::Type Browser::GetType() const {
return type_;
}
BrowserUserEducationInterface* Browser::GetUserEducationInterface() {
return window();
}
web_app::AppBrowserController* Browser::GetAppBrowserController() {
return app_controller_.get();
}
std::vector<tabs::TabInterface*> Browser::GetAllTabInterfaces() {
std::vector<tabs::TabInterface*> results;
for (int index = 0; index < tab_strip_model_->count(); ++index) {
results.push_back(tab_strip_model_->GetTabAtIndex(index));
}
return results;
}
Browser* Browser::GetBrowserForMigrationOnly() {
return this;
}
bool Browser::IsTabModalPopupDeprecated() const {
return is_tab_modal_popup_deprecated_;
}
bool Browser::CanShowCallToAction() const {
return !showing_call_to_action_;
}
std::unique_ptr<ScopedWindowCallToAction> Browser::ShowCallToAction() {
return std::make_unique<ScopedWindowCallToActionImpl>(this);
}
ui::BaseWindow* Browser::GetWindow() {
return window_.get();
}
DesktopBrowserWindowCapabilities* Browser::capabilities() {
return DesktopBrowserWindowCapabilities::From(this);
}
const DesktopBrowserWindowCapabilities* Browser::capabilities() const {
return DesktopBrowserWindowCapabilities::From(this);
}
void Browser::DidBecomeActive() {
if (!is_active_) {
is_active_ = true;
BrowserList::SetLastActive(this);
did_become_active_callback_list_.Notify(this);
}
}
void Browser::DidBecomeInactive() {
if (is_active_) {
is_active_ = false;
BrowserList::NotifyBrowserNoLongerActive(this);
did_become_inactive_callback_list_.Notify(this);
}
}
#if BUILDFLAG(IS_CHROMEOS)
bool Browser::IsLockedForOnTask() {
return on_task_locked_;
}
void Browser::SetLockedForOnTask(bool locked) {
on_task_locked_ = locked;
OnLockedForOnTaskUpdated();
}
#endif
void Browser::OnWindowClosing() {
// There may be situations where async tasks, such as
// UnloadController::ProcessPendingTabs, may call into OnWindowClosing() after
// deletion has already been scheduled and closed notifications have been
// propagated. No-op in such cases to avoid duplicating browser-closed
// handling.
if (is_delete_scheduled_) {
return;
}
if (const auto closing_status = HandleBeforeClose();
closing_status != BrowserClosingStatus::kPermitted) {
BrowserList::NotifyBrowserCloseCancelled(this, closing_status);
return;
}
// Application should shutdown on last window close if the user is explicitly
// trying to quit, or if there is nothing keeping the browser alive (such as
// AppController on the Mac, or BackgroundContentsService for background
// pages).
bool should_quit_if_last_browser =
browser_shutdown::IsTryingToQuit() ||
KeepAliveRegistry::GetInstance()->IsKeepingAliveOnlyByBrowserOrigin();
if (should_quit_if_last_browser && ShouldStartShutdown()) {
browser_shutdown::OnShutdownStarting(
browser_shutdown::ShutdownType::kWindowClose);
}
// Don't use GetForProfileIfExisting here, we want to force creation of the
// session service so that user can restore what was open.
SessionServiceBase* service = GetAppropriateSessionServiceForProfile(this);
if (service) {
service->WindowClosing(session_id());
}
sessions::TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
bool notify_restore_service = is_type_normal() && tab_strip_model_->count();
#if defined(USE_AURA) || BUILDFLAG(IS_MAC)
notify_restore_service |= is_type_app() || is_type_app_popup();
#endif
if (tab_restore_service && notify_restore_service) {
tab_restore_service->BrowserClosing(live_tab_context());
}
BrowserList::NotifyBrowserCloseStarted(this);
if (!tab_strip_model_->empty()) {
// Closing all the tabs results in eventually calling back to
// OnWindowClosing() again.
tab_strip_model_->CloseAllTabs();
} else {
// If there are no tabs, then a task will be scheduled (by views) to delete
// this Browser.
is_delete_scheduled_ = true;
// At this point the browser has successfully closed and is scheduled for
// deletion.
browser_did_close_callback_list_.Notify(this);
}
}
////////////////////////////////////////////////////////////////////////////////
// In-progress download termination handling:
Browser::DownloadCloseType Browser::OkToCloseWithInProgressDownloads(
int* num_downloads_blocking) const {
DCHECK(num_downloads_blocking);
*num_downloads_blocking = 0;
// If we're not running a full browser process with a profile manager
// (testing), it's ok to close the browser.
if (!g_browser_process->profile_manager()) {
return DownloadCloseType::kOk;
}
int total_download_count =
DownloadCoreService::BlockingShutdownCountAllProfiles();
if (total_download_count == 0) {
return DownloadCloseType::kOk; // No downloads; can definitely close.
}
// Figure out how many windows are open total, and associated with this
// profile, that are relevant for the ok-to-close decision.
auto [last_window, last_window_for_profile] = IsLastWindow(*this);
// If there aren't any other windows, we're at browser shutdown,
// which would cancel all current downloads.
if (last_window) {
*num_downloads_blocking = total_download_count;
return DownloadCloseType::kBrowserShutdown;
}
// If there aren't any other windows on our profile, and we're an Incognito
// or Guest profile, and there are downloads associated with that profile,
// those downloads would be cancelled by our window (-> profile) close.
DownloadCoreService* download_core_service =
DownloadCoreServiceFactory::GetForBrowserContext(profile());
if (last_window_for_profile &&
(download_core_service->BlockingShutdownCount() > 0) &&
(profile()->IsIncognitoProfile() || profile()->IsGuestSession())) {
*num_downloads_blocking = download_core_service->BlockingShutdownCount();
return profile()->IsGuestSession()
? DownloadCloseType::kLastWindowInGuestSession
: DownloadCloseType::kLastWindowInIncognitoProfile;
}
// Those are the only conditions under which we will block shutdown.
return DownloadCloseType::kOk;
}
////////////////////////////////////////////////////////////////////////////////
// Browser, Tab adding/showing functions:
void Browser::WindowFullscreenStateChanged() {
browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->WindowFullscreenStateChanged();
command_controller_->FullscreenStateChanged();
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN);
}
void Browser::FullscreenTopUIStateChanged() {
command_controller_->FullscreenStateChanged();
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOOLBAR_OPTION_CHANGE);
}
void Browser::OnFindBarVisibilityChanged() {
window()->UpdatePageActionIcon(PageActionIconType::kFind);
command_controller_->FindBarVisibilityChanged();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Assorted browser commands:
void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) {
browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->ToggleBrowserFullscreenModeWithExtension(extension_url);
}
bool Browser::SupportsWindowFeature(WindowFeature feature) const {
bool supports =
SupportsWindowFeatureImpl(feature, /*check_can_support=*/false);
// Supported features imply CanSupportWindowFeature.
DCHECK(!supports || CanSupportWindowFeature(feature));
return supports;
}
bool Browser::CanSupportWindowFeature(WindowFeature feature) const {
return SupportsWindowFeatureImpl(feature, /*check_can_support=*/true);
}
void Browser::OpenFile() {
// Ignore if there is already a select file dialog.
if (select_file_dialog_) {
return;
}
base::RecordAction(UserMetricsAction("OpenFile"));
select_file_dialog_ = ui::SelectFileDialog::Create(
this, std::make_unique<ChromeSelectFilePolicy>(
tab_strip_model_->GetActiveWebContents()));
if (!select_file_dialog_) {
return;
}
const base::FilePath directory = profile_->last_selected_directory();
// TODO(beng): figure out how to juggle this.
gfx::NativeWindow parent_window = window_->GetNativeWindow();
ui::SelectFileDialog::FileTypeInfo file_types;
file_types.allowed_paths =
ui::SelectFileDialog::FileTypeInfo::ANY_PATH_OR_URL;
select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE,
std::u16string(), directory, &file_types, 0,
base::FilePath::StringType(), parent_window);
}
void Browser::UpdateDownloadShelfVisibility(bool visible) {
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
for (StatusBubble* status_bubble : status_bubbles) {
status_bubble->UpdateDownloadShelfVisibility(visible);
}
}
bool Browser::CanSaveContents(content::WebContents* web_contents) const {
return chrome::CanSavePage(this);
}
bool Browser::ShouldDisplayFavicon(content::WebContents* web_contents) const {
// Remove for all other tabbed web apps.
if (app_controller_ && app_controller_->has_tab_strip()) {
return false;
}
// Otherwise, always display the favicon.
return true;
}
///////////////////////////////////////////////////////////////////////////////
void Browser::UpdateUIForNavigationInTab(WebContents* contents,
ui::PageTransition transition,
NavigateParams::WindowAction action,
bool user_initiated) {
tab_strip_model_->TabNavigating(contents, transition);
bool contents_is_selected =
contents == tab_strip_model_->GetActiveWebContents();
if (user_initiated && contents_is_selected && window()->GetLocationBar()) {
// Forcibly reset the location bar if the url is going to change in the
// current tab, since otherwise it won't discard any ongoing user edits,
// since it doesn't realize this is a user-initiated action.
window()->GetLocationBar()->Revert();
}
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
for (StatusBubble* status_bubble : status_bubbles) {
status_bubble->Hide();
}
// Update the location bar. This is synchronous. We specifically don't
// update the load state since the load hasn't started yet and updating it
// will put it out of sync with the actual state like whether we're
// displaying a favicon, which controls the throbber. If we updated it here,
// the throbber will show the default favicon for a split second when
// navigating away from the new tab page.
ScheduleUIUpdate(contents, content::INVALIDATE_TYPE_URL);
// Navigating contents can take focus (potentially taking it away from other,
// currently-focused UI element like the omnibox) if the navigation was
// initiated by the user (e.g., via omnibox, bookmarks, etc.).
//
// Note that focusing contents of NTP-initiated navigations is taken care of
// elsewhere - see FocusTabAfterNavigationHelper.
if (user_initiated && contents_is_selected &&
(window()->IsActive() || action == NavigateParams::SHOW_WINDOW)) {
contents->SetInitialFocus();
}
}
void Browser::RegisterKeepAlive() {
keep_alive_ = std::make_unique<ScopedKeepAlive>(
KeepAliveOrigin::BROWSER, KeepAliveRestartOption::DISABLED);
}
void Browser::UnregisterKeepAlive() {
keep_alive_.reset();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, PageNavigator implementation:
WebContents* Browser::OpenURL(
const OpenURLParams& params,
base::OnceCallback<void(content::NavigationHandle&)>
navigation_handle_callback) {
#if DCHECK_IS_ON()
DCHECK(params.Valid());
#endif
return OpenURLFromTab(nullptr, params, std::move(navigation_handle_callback));
}
///////////////////////////////////////////////////////////////////////////////
// Browser, TabStripModelObserver implementation:
void Browser::OnTabStripModelChanged(TabStripModel* tab_strip_model,
const TabStripModelChange& change,
const TabStripSelectionChange& selection) {
TRACE_EVENT2("ui", "Browser::OnTabStripModelChanged", "tab_strip_model",
tab_strip_model, "change", change);
switch (change.type()) {
case TabStripModelChange::kInserted: {
// Initialize find bar controller when tab having active find session
// is inserted in a new window.
find_in_page::FindTabHelper* find_tab_helper =
find_in_page::FindTabHelper::FromWebContents(selection.new_contents);
if (!HasFindBarController() && find_tab_helper &&
find_tab_helper->is_find_session_active()) {
std::ignore = CreateOrGetFindBarController();
}
for (const auto& contents : change.GetInsert()->contents) {
OnTabInsertedAt(contents.contents, contents.index);
}
break;
}
case TabStripModelChange::kRemoved: {
for (const auto& contents : change.GetRemove()->contents) {
if (contents.remove_reason ==
TabStripModelChange::RemoveReason::kDeleted) {
OnTabClosing(contents.contents);
}
OnTabDetached(contents.contents,
contents.contents == selection.old_contents);
}
break;
}
case TabStripModelChange::kMoved: {
auto* move = change.GetMove();
OnTabMoved(move->from_index, move->to_index);
break;
}
case TabStripModelChange::kReplaced: {
auto* replace = change.GetReplace();
OnTabReplacedAt(replace->old_contents, replace->new_contents,
replace->index);
break;
}
case TabStripModelChange::kSelectionOnly:
break;
}
if (!selection.active_tab_changed()) {
return;
}
if (selection.old_contents) {
OnTabDeactivated(selection.old_contents);
}
if (tab_strip_model_->empty()) {
return;
}
OnActiveTabChanged(
selection.old_contents, selection.new_contents,
selection.new_model.active().has_value()
? static_cast<int>(selection.new_model.active().value())
: TabStripModel::kNoTab,
selection.reason);
}
void Browser::OnTabGroupChanged(const TabGroupChange& change) {
// If apps ever get tab grouping, this function needs to be updated to
// retrieve AppSessionService from the correct factory. Additionally,
// AppSessionService doesn't support SetTabGroupMetadata, so some
// work to refactor the code to support that into SessionServiceBase
// would be the best way to achieve that.
DCHECK(!IsRelevantToAppSessionService(type_));
DCHECK(tab_strip_model_->group_model());
if (change.type == TabGroupChange::kVisualsChanged) {
UpdateTabGroupSessionMetadata(this, change.group);
} else if (change.type == TabGroupChange::kCreated &&
change.GetCreateChange()->reason() ==
TabGroupChange::TabGroupCreationReason::
kInsertedFromAnotherTabstrip) {
// When a detached group is inserted, we need to update the group of all the
// corresponding detached tab in session service.
for (tabs::TabInterface* tab :
change.GetCreateChange()->GetDetachedTabs()) {
UpdateTabGroupSessionDataForTab(tab, change.group);
}
} else if (change.type == TabGroupChange::kClosed &&
change.GetCloseChange()->reason() ==
TabGroupChange::TabGroupClosureReason::kGroupClosed) {
// When a group is detached, we do not need to add the information for all
// the detached tabs in tab restore service.
sessions::TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
if (tab_restore_service) {
tab_restore_service->GroupClosed(change.group);
}
}
}
void Browser::TabPinnedStateChanged(TabStripModel* tab_strip_model,
WebContents* contents,
int index) {
// See comment in Browser::OnTabGroupChanged
DCHECK(!IsRelevantToAppSessionService(type_));
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile());
if (session_service) {
sessions::SessionTabHelper* session_tab_helper =
sessions::SessionTabHelper::FromWebContents(contents);
session_service->SetPinnedState(session_id(),
session_tab_helper->session_id(),
tab_strip_model_->IsTabPinned(index));
}
}
void Browser::TabGroupedStateChanged(
TabStripModel* tab_strip_model,
std::optional<tab_groups::TabGroupId> old_group,
std::optional<tab_groups::TabGroupId> new_group,
tabs::TabInterface* tab,
int index) {
UpdateTabGroupSessionDataForTab(tab, new_group);
}
void Browser::UpdateTabGroupSessionDataForTab(
tabs::TabInterface* tab,
std::optional<tab_groups::TabGroupId> group) {
// See comment in Browser::OnTabGroupChanged
DCHECK(!IsRelevantToAppSessionService(type_));
SessionService* const session_service =
SessionServiceFactory::GetForProfile(profile_);
if (!session_service) {
return;
}
sessions::SessionTabHelper* const session_tab_helper =
sessions::SessionTabHelper::FromWebContents(tab->GetContents());
session_service->SetTabGroup(session_id(), session_tab_helper->session_id(),
std::move(group));
}
void Browser::TabStripEmpty() {
// Note: even though the tab strip is empty, the call to Close() may not
// result in closing this Browser. This can happen in the case of closing
// the last Browser with ongoing downloads.
window_->Close();
}
void Browser::OnSplitTabChanged(const SplitTabChange& change) {
if (change.type == SplitTabChange::Type::kAdded ||
change.type == SplitTabChange::Type::kRemoved) {
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_SPLIT_TAB_CHANGE);
}
}
void Browser::SetTopControlsShownRatio(content::WebContents* web_contents,
float ratio) {
window_->SetTopControlsShownRatio(web_contents, ratio);
}
int Browser::GetTopControlsHeight() {
return window_->GetTopControlsHeight();
}
bool Browser::DoBrowserControlsShrinkRendererSize(
content::WebContents* contents) {
return window_->DoBrowserControlsShrinkRendererSize(contents);
}
int Browser::GetVirtualKeyboardHeight(content::WebContents* contents) {
// This API is currently only used by View Transitions when the virtual
// keyboard resizes content. On desktop platforms, the virtual keyboard can
// only inset the visual viewport so it shouldn't ever be called.
NOTIMPLEMENTED();
return 0;
}
void Browser::SetTopControlsGestureScrollInProgress(bool in_progress) {
window_->SetTopControlsGestureScrollInProgress(in_progress);
}
bool Browser::CanOverscrollContent() {
#if defined(USE_AURA)
return !is_type_devtools() &&
base::FeatureList::IsEnabled(features::kOverscrollHistoryNavigation) &&
overscroll_pref_manager_->IsOverscrollHistoryNavigationEnabled();
#else
return false;
#endif
}
bool Browser::ShouldPreserveAbortedURLs(WebContents* source) {
// Allow failed URLs to stick around in the omnibox on the NTP, but not when
// other pages have committed.
Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext());
if (!profile || !source->GetController().GetLastCommittedEntry()) {
return false;
}
GURL committed_url(source->GetController().GetLastCommittedEntry()->GetURL());
return search::IsNTPOrRelatedURL(committed_url, profile);
}
void Browser::SetFocusToLocationBar() {
// Two differences between this and FocusLocationBar():
// (1) This doesn't get recorded in user metrics, since it's called
// internally.
// (2) This is called with |is_user_initiated| == false, because this is a
// renderer initiated focus (this method is a WebContentsDelegate
// override).
window_->SetFocusToLocationBar(false);
}
bool Browser::PreHandleMouseEvent(content::WebContents* source,
const blink::WebMouseEvent& event) {
return window()->PreHandleMouseEvent(event);
}
void Browser::PreHandleDragUpdate(const content::DropData& drop_data,
const gfx::PointF& client_pt) {
window()->PreHandleDragUpdate(drop_data, client_pt);
}
void Browser::PreHandleDragExit() {
window()->PreHandleDragExit();
}
content::KeyboardEventProcessingResult Browser::PreHandleKeyboardEvent(
content::WebContents* source,
const NativeWebKeyboardEvent& event) {
// Forward keyboard events to the manager for fullscreen / mouse lock. This
// may consume the event (e.g., Esc exits fullscreen mode).
// TODO(koz): Write a test for this http://crbug.com/100441.
if (browser_window_features()->exclusive_access_manager()->HandleUserKeyEvent(
event)) {
return content::KeyboardEventProcessingResult::HANDLED;
}
return window()->PreHandleKeyboardEvent(event);
}
bool Browser::HandleKeyboardEvent(content::WebContents* source,
const NativeWebKeyboardEvent& event) {
DevToolsWindow* devtools_window =
DevToolsWindow::GetInstanceForInspectedWebContents(source);
return (devtools_window && devtools_window->ForwardKeyboardEvent(event)) ||
window()->HandleKeyboardEvent(event);
}
bool Browser::TabsNeedBeforeUnloadFired() const {
return unload_controller_.TabsNeedBeforeUnloadFired();
}
bool Browser::PreHandleGestureEvent(content::WebContents* source,
const blink::WebGestureEvent& event) {
// Disable pinch zooming in undocked dev tools window due to poor UX.
if (app_name() == DevToolsWindow::kDevToolsApp) {
return blink::WebInputEvent::IsPinchGestureEventType(event.GetType());
}
return false;
}
bool Browser::CanDragEnter(content::WebContents* source,
const content::DropData& data,
blink::DragOperationsMask operations_allowed) {
#if BUILDFLAG(IS_CHROMEOS)
// Disallow drag-and-drop navigation for Settings windows which do not support
// external navigation.
if ((operations_allowed & blink::kDragOperationLink) &&
chrome::SettingsWindowManager::GetInstance()->IsSettingsBrowser(this)) {
return false;
}
#endif
return true;
}
void Browser::CreateSmsPrompt(content::RenderFrameHost*,
const std::vector<url::Origin>&,
const std::string& one_time_code,
base::OnceClosure on_confirm,
base::OnceClosure on_cancel) {
// TODO(crbug.com/40103792): implementation left pending deliberately.
std::move(on_confirm).Run();
}
bool Browser::ShouldAllowRunningInsecureContent(
content::WebContents* web_contents,
bool allowed_per_prefs,
const url::Origin& origin,
const GURL& resource_url) {
// Note: this implementation is a mirror of
// ContentSettingsObserver::allowRunningInsecureContent.
if (allowed_per_prefs) {
return true;
}
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
HostContentSettingsMap* content_settings =
HostContentSettingsMapFactory::GetForProfile(profile);
return content_settings->GetContentSetting(
web_contents->GetLastCommittedURL(), GURL(),
ContentSettingsType::MIXEDSCRIPT) == CONTENT_SETTING_ALLOW;
}
void Browser::OnDidBlockNavigation(
content::WebContents* web_contents,
const GURL& blocked_url,
blink::mojom::NavigationBlockedReason reason) {
if (reason ==
blink::mojom::NavigationBlockedReason::kRedirectWithNoUserGesture) {
if (auto* framebust_helper =
FramebustBlockTabHelper::FromWebContents(web_contents)) {
auto on_click = [](const GURL& url, size_t index, size_t total_elements) {
UMA_HISTOGRAM_ENUMERATION(
"WebCore.Framebust.ClickThroughPosition",
blocked_content::GetListItemPositionFromDistance(index,
total_elements));
};
framebust_helper->AddBlockedUrl(blocked_url, base::BindOnce(on_click));
}
}
}
content::PictureInPictureResult Browser::EnterPictureInPicture(
content::WebContents* web_contents) {
return PictureInPictureWindowManager::GetInstance()
->EnterVideoPictureInPicture(web_contents);
}
void Browser::ExitPictureInPicture() {
PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture();
}
bool Browser::IsBackForwardCacheSupported(content::WebContents& web_contents) {
return true;
}
content::PreloadingEligibility Browser::IsPrerender2Supported(
content::WebContents& web_contents,
content::PreloadingTriggerType trigger_type) {
Profile* profile =
Profile::FromBrowserContext(web_contents.GetBrowserContext());
return prefetch::IsSomePreloadingEnabled(*profile->GetPrefs());
}
bool Browser::ShouldShowStaleContentOnEviction(content::WebContents* source) {
#if BUILDFLAG(IS_CHROMEOS)
return source == tab_strip_model_->GetActiveWebContents();
#else
return false;
#endif // BUILDFLAG(IS_CHROMEOS)
}
// TODO(crbug.com/40177301): Remove this.
void Browser::MediaWatchTimeChanged(
const content::MediaPlayerWatchTime& watch_time) {}
bool Browser::IsPointerLocked() const {
return browser_window_features()
->exclusive_access_manager()
->pointer_lock_controller()
->IsPointerLocked();
}
void Browser::OnWindowDidShow() {
if (window_has_shown_) {
return;
}
window_has_shown_ = true;
startup_metric_utils::GetBrowser().RecordBrowserWindowDisplay(
base::TimeTicks::Now());
// Nothing to do for non-tabbed windows.
if (!is_type_normal()) {
return;
}
// Show any pending global error bubble.
GlobalErrorService* service =
GlobalErrorServiceFactory::GetForProfile(profile());
GlobalError* error = service->GetFirstGlobalErrorWithBubbleView();
if (error) {
error->ShowBubbleView(this);
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, content::WebContentsDelegate implementation:
WebContents* Browser::OpenURLFromTab(
WebContents* source,
const OpenURLParams& params,
base::OnceCallback<void(content::NavigationHandle&)>
navigation_handle_callback) {
TRACE_EVENT1("navigation", "Browser::OpenURLFromTab", "source", source);
#if DCHECK_IS_ON()
DCHECK(params.Valid());
#endif
if (is_type_devtools()) {
DevToolsWindow* window = DevToolsWindow::AsDevToolsWindow(source);
DCHECK(window);
return window->OpenURLFromTab(source, params,
std::move(navigation_handle_callback));
}
NavigateParams nav_params(this, params.url, params.transition);
nav_params.FillNavigateParamsFromOpenURLParams(params);
nav_params.source_contents = source;
nav_params.tabstrip_add_types = AddTabTypes::ADD_NONE;
if (params.user_gesture) {
nav_params.window_action = NavigateParams::SHOW_WINDOW;
}
bool is_popup =
source && blocked_content::ConsiderForPopupBlocking(params.disposition);
auto popup_delegate =
std::make_unique<ChromePopupNavigationDelegate>(std::move(nav_params));
if (is_popup) {
popup_delegate.reset(static_cast<ChromePopupNavigationDelegate*>(
blocked_content::MaybeBlockPopup(
source, nullptr, std::move(popup_delegate), &params,
blink::mojom::WindowFeatures(),
HostContentSettingsMapFactory::GetForProfile(
source->GetBrowserContext()))
.release()));
if (!popup_delegate) {
return nullptr;
}
}
chrome::ConfigureTabGroupForNavigation(popup_delegate->nav_params());
base::WeakPtr<content::NavigationHandle> navigation_handle =
Navigate(popup_delegate->nav_params());
if (navigation_handle_callback && navigation_handle) {
std::move(navigation_handle_callback).Run(*navigation_handle);
}
content::WebContents* navigated_or_inserted_contents =
popup_delegate->nav_params()->navigated_or_inserted_contents;
if (is_popup && navigated_or_inserted_contents) {
auto* tracker = blocked_content::PopupTracker::CreateForWebContents(
navigated_or_inserted_contents, source, params.disposition);
tracker->set_is_trusted(
params.triggering_event_info !=
blink::mojom::TriggeringEventInfo::kFromUntrustedEvent);
}
TRACE_EVENT_INSTANT1(
"navigation", "Browser::OpenURLFromTab_Result", TRACE_EVENT_SCOPE_THREAD,
"navigated_or_inserted_contents", navigated_or_inserted_contents);
return navigated_or_inserted_contents;
}
void Browser::NavigationStateChanged(WebContents* source,
content::InvalidateTypes changed_flags) {
// If we're shutting down we should refuse to process this message.
// See crbug.com/1306297; it's possible that a WebContents sends navigation
// state messages while destructing during browser tear-down. Ironically we
// can't use IsShuttingDown() because by this point the browser is entirely
// removed from the browser list.
if (!command_controller_) {
return;
}
// Only update the UI when something visible has changed.
if (changed_flags) {
ScheduleUIUpdate(source, changed_flags);
}
// We can synchronously update commands since they will only change once per
// navigation, so we don't have to worry about flickering. We do, however,
// need to update the command state early on load to always present usable
// actions in the face of slow-to-commit pages.
if (changed_flags &
(content::INVALIDATE_TYPE_URL | content::INVALIDATE_TYPE_LOAD |
content::INVALIDATE_TYPE_TAB)) {
command_controller_->TabStateChanged();
}
if (app_controller_) {
app_controller_->UpdateCustomTabBarVisibility(true);
}
}
void Browser::VisibleSecurityStateChanged(WebContents* source) {
// When the current tab's security state changes, we need to update the URL
// bar to reflect the new state.
DCHECK(source);
if (tab_strip_model_->GetActiveWebContents() == source) {
UpdateToolbarSecurityState();
if (app_controller_) {
app_controller_->UpdateCustomTabBarVisibility(true);
}
}
}
content::WebContents* Browser::AddNewContents(
WebContents* source,
std::unique_ptr<WebContents> new_contents,
const GURL& target_url,
WindowOpenDisposition disposition,
const blink::mojom::WindowFeatures& window_features,
bool user_gesture,
bool* was_blocked) {
FullscreenController* fullscreen_controller = browser_window_features()
->exclusive_access_manager()
->fullscreen_controller();
#if BUILDFLAG(IS_MAC)
// On the Mac, the convention is to turn popups into new tabs when in browser
// fullscreen mode. Only worry about user-initiated fullscreen as showing a
// popup in HTML5 fullscreen would have kicked the page out of fullscreen.
// However if this Browser is for an app or the popup is being requested on a
// different display, we don't want to turn popups into new tabs. Popups
// should open as new windows instead.
display::Screen* screen = display::Screen::GetScreen();
bool targeting_different_display =
screen && source && source->GetContentNativeView() &&
screen->GetDisplayNearestView(source->GetContentNativeView()) !=
screen->GetDisplayMatching(window_features.bounds);
if (!app_controller_ && disposition == WindowOpenDisposition::NEW_POPUP &&
fullscreen_controller->IsFullscreenForBrowser() &&
!targeting_different_display) {
disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
}
#endif
// At this point the |new_contents| is beyond the popup blocker, but we use
// the same logic for determining if the popup tracker needs to be attached.
if (source && blocked_content::ConsiderForPopupBlocking(disposition)) {
blocked_content::PopupTracker::CreateForWebContents(new_contents.get(),
source, disposition);
}
// Postpone activating popups opened by content-fullscreen tabs. This permits
// popups on other screens and retains fullscreen focus for exit accelerators.
// Popups are activated when the opener exits fullscreen, which happens
// immediately if the popup would overlap the fullscreen window.
// Allow fullscreen-within-tab openers to open popups normally.
NavigateParams::WindowAction window_action = NavigateParams::SHOW_WINDOW;
if (disposition == WindowOpenDisposition::NEW_POPUP &&
GetFullscreenState(source).target_mode ==
content::FullscreenMode::kContent) {
window_action = NavigateParams::SHOW_WINDOW_INACTIVE;
fullscreen_controller->FullscreenTabOpeningPopup(source,
new_contents.get());
// Defer popup creation if the opener has a fullscreen transition in
// progress. This works around a defect on Mac where separate displays
// cannot switch their independent spaces simultaneously (crbug.com/1315749)
auto web_contents_creation_callback = base::BindOnce(
&chrome::AddWebContents, this, source, std::move(new_contents),
target_url, disposition, window_features, window_action, user_gesture);
fullscreen_controller->RunOrDeferUntilTransitionIsComplete(base::BindOnce(
base::IgnoreResult(std::move(web_contents_creation_callback))));
return nullptr;
}
return chrome::AddWebContents(this, source, std::move(new_contents),
target_url, disposition, window_features,
window_action, user_gesture);
}
void Browser::ActivateContents(WebContents* contents) {
// A WebContents can ask to activate after it's been removed from the
// TabStripModel. See https://crbug.com/1060986
int index = tab_strip_model_->GetIndexOfWebContents(contents);
if (index == TabStripModel::kNoTab) {
return;
}
tab_strip_model_->ActivateTabAt(index);
window_->Activate();
}
void Browser::LoadingStateChanged(WebContents* source,
bool should_show_loading_ui) {
ScheduleUIUpdate(source, content::INVALIDATE_TYPE_LOAD);
UpdateWindowForLoadingStateChanged(source, should_show_loading_ui);
}
void Browser::CloseContents(WebContents* source) {
if (unload_controller_.CanCloseContents(source)) {
chrome::CloseWebContents(this, source, true);
}
}
void Browser::SetContentsBounds(WebContents* source, const gfx::Rect& bounds) {
if (is_type_normal()) {
return;
}
std::vector<blink::mojom::WebFeature> features = {
blink::mojom::WebFeature::kMovedOrResizedPopup};
if (creation_timer_.Elapsed() > base::Seconds(2)) {
// Additionally measure whether a popup was moved after creation, to
// distinguish between popups that reposition themselves after load and
// those which move popups continuously.
features.push_back(
blink::mojom::WebFeature::kMovedOrResizedPopup2sAfterCreation);
}
page_load_metrics::MetricsWebContentsObserver::RecordFeatureUsage(
source->GetPrimaryMainFrame(), std::move(features));
window_->SetBounds(bounds);
}
void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
for (StatusBubble* status_bubble : status_bubbles) {
StatusBubbleViews* status_bubble_views =
static_cast<StatusBubbleViews*>(status_bubble);
ContentsWebView* anchor =
static_cast<ContentsWebView*>(status_bubble_views->base_view());
if (source == anchor->GetWebContents()) {
status_bubble->SetURL(url);
break;
}
}
}
void Browser::ContentsMouseEvent(WebContents* source, const ui::Event& event) {
const ui::EventType type = event.type();
const bool exited = type == ui::EventType::kMouseExited;
// Disregard synthesized events, and mouse enter and exit, which may occur
// without explicit user input events during window state changes.
if (type != ui::EventType::kMouseEntered && !exited &&
!event.IsSynthesized()) {
browser_window_features()->exclusive_access_manager()->OnUserInput();
}
// Mouse motion events update the status bubble, if it exists.
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
for (StatusBubble* status_bubble : status_bubbles) {
StatusBubbleViews* status_bubble_views =
static_cast<StatusBubbleViews*>(status_bubble);
ContentsWebView* anchor =
static_cast<ContentsWebView*>(status_bubble_views->base_view());
if (source == anchor->GetWebContents() &&
(type == ui::EventType::kMouseMoved || exited)) {
status_bubble->MouseMoved(exited);
if (exited) {
status_bubble->SetURL(GURL());
}
break;
}
}
}
void Browser::ContentsZoomChange(bool zoom_in) {
chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS);
}
bool Browser::TakeFocus(content::WebContents* source, bool reverse) {
return false;
}
void Browser::BeforeUnloadFired(WebContents* web_contents,
bool proceed,
bool* proceed_to_fire_unload) {
if (is_type_devtools() &&
DevToolsWindow::HandleBeforeUnload(web_contents, proceed,
proceed_to_fire_unload)) {
return;
}
*proceed_to_fire_unload =
unload_controller_.BeforeUnloadFired(web_contents, proceed);
}
bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) {
// Navigations in background tabs shouldn't change the focus state of the
// omnibox, since it's associated with the foreground tab.
if (source != tab_strip_model_->GetActiveWebContents()) {
return false;
}
// This should be based on the pending entry if there is one, so that
// back/forward navigations to the NTP are handled. The visible entry can't
// be used here, since back/forward navigations are not treated as visible
// entries to avoid URL spoofs.
content::NavigationEntry* entry =
source->GetController().GetPendingEntry()
? source->GetController().GetPendingEntry()
: source->GetController().GetLastCommittedEntry();
if (entry) {
const GURL& url = entry->GetURL();
const GURL& virtual_url = entry->GetVirtualURL();
if (virtual_url.SchemeIs(content::kViewSourceScheme)) {
return false;
}
if ((url.SchemeIs(content::kChromeUIScheme) &&
url.host_piece() == chrome::kChromeUINewTabHost) ||
(virtual_url.SchemeIs(content::kChromeUIScheme) &&
virtual_url.host_piece() == chrome::kChromeUINewTabHost)) {
return true;
}
if (url.spec() == chrome::kChromeUISplitViewNewTabPageURL) {
return true;
}
}
return search::NavEntryIsInstantNTP(source, entry);
}
bool Browser::ShouldFocusPageAfterCrash(WebContents* source) {
// Focus only the active page when reloading after a crash, otherwise
// return false. This is to ensure background reloads via hovercard
// don't end up causing a focus loss which results in its dismissal.
return source == tab_strip_model_->GetActiveWebContents();
}
void Browser::ShowRepostFormWarningDialog(WebContents* source) {
TabModalConfirmDialog::Create(
std::make_unique<RepostFormWarningController>(source), source);
}
bool Browser::IsWebContentsCreationOverridden(
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
content::mojom::WindowContainerType window_container_type,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url) {
if (IsActorExecutionEngineActingOnTab(
profile(), content::WebContents::FromRenderFrameHost(opener))) {
// If an ExecutionEngine is acting on the opener, prevent it from creating
// a new WebContents. We'll instead force the navigation to happen in the
// same tab.
return true;
}
return (window_container_type ==
content::mojom::WindowContainerType::BACKGROUND &&
ShouldCreateBackgroundContents(source_site_instance, opener_url,
frame_name));
}
WebContents* Browser::CreateCustomWebContents(
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
bool is_new_browsing_instance,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url,
const content::StoragePartitionConfig& partition_config,
content::SessionStorageNamespace* session_storage_namespace) {
if (auto* opener_contents = content::WebContents::FromRenderFrameHost(opener);
IsActorExecutionEngineActingOnTab(profile(), opener_contents)) {
// If an ExecutionEngine is acting on the opener, we force the navigation
// to happen in the same tab.
content::NavigationController::LoadURLParams params(target_url);
params.initiator_frame_token = opener->GetFrameToken();
params.initiator_process_id = opener->GetProcess()->GetDeprecatedID();
params.initiator_origin = opener->GetLastCommittedOrigin();
params.source_site_instance = source_site_instance;
params.transition_type = ui::PAGE_TRANSITION_LINK;
params.is_renderer_initiated = true;
opener_contents->GetController().LoadURLWithParams(params);
VLOG(1) << "Actor treated window open as same tab navigation. "
<< target_url;
return nullptr;
}
BackgroundContents* background_contents = CreateBackgroundContents(
source_site_instance, opener, opener_url, is_new_browsing_instance,
frame_name, target_url, partition_config, session_storage_namespace);
if (background_contents) {
return background_contents->web_contents();
}
return nullptr;
}
void Browser::WebContentsCreated(WebContents* source_contents,
int opener_render_process_id,
int opener_render_frame_id,
const std::string& frame_name,
const GURL& target_url,
WebContents* new_contents) {
// Note: Consult owners before adding new code here.
// This method is called from WebContentsImpl::CreateNewWindow() for a created
// `new_contents`. This occurs before ownership of `new_contents` is
// transferred to Browser and `new_contents` is added to a TabModel. Tab
// specific initialization should be performed by TabModel and not added here.
// SafeBrowsingNavigationObserver relies on recording a precise sequence of
// navigation events, with tabs tracked via their SessionID, managed by
// SessionTabHelper. The current safe browsing implementation requires
// tracking new contents from the moment of creation, at which point TabModel
// and tab helpers have not yet been initialized for `new_contents`.
// Explicitly instantiate the SessionTabHelper here to ensure SessionIDs are
// available when needed.
// TODO(crbug.com/362038317): Once SafeBrowsingNavigationObserver is updated
// to track `new_contents` after it is added to its TabModel this override can
// be removed.
CreateSessionServiceTabHelper(new_contents);
}
void Browser::RendererUnresponsive(
WebContents* source,
content::RenderWidgetHost* render_widget_host,
base::RepeatingClosure hang_monitor_restarter) {
// Don't show the page hung dialog when a HTML popup hangs because
// the dialog will take the focus and immediately close the popup.
RenderWidgetHostView* view = render_widget_host->GetView();
if (view && !render_widget_host->GetView()->IsHTMLFormPopup()) {
TabDialogs::FromWebContents(source)->ShowHungRendererDialog(
render_widget_host, std::move(hang_monitor_restarter));
}
}
void Browser::RendererResponsive(
WebContents* source,
content::RenderWidgetHost* render_widget_host) {
RenderWidgetHostView* view = render_widget_host->GetView();
if (view && !render_widget_host->GetView()->IsHTMLFormPopup()) {
TabDialogs::FromWebContents(source)->HideHungRendererDialog(
render_widget_host);
}
}
content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager(
WebContents* source) {
return javascript_dialogs::TabModalDialogManager::FromWebContents(source);
}
bool Browser::GuestSaveFrame(content::WebContents* guest_web_contents) {
auto* guest_view =
extensions::MimeHandlerViewGuest::FromWebContents(guest_web_contents);
return guest_view && guest_view->PluginDoSave();
}
std::unique_ptr<content::EyeDropper> Browser::OpenEyeDropper(
content::RenderFrameHost* frame,
content::EyeDropperListener* listener) {
return window()->OpenEyeDropper(frame, listener);
}
void Browser::InitiatePreview(content::WebContents& web_contents,
const GURL& url) {
#if !BUILDFLAG(IS_ANDROID)
PreviewManager::CreateForWebContents(&web_contents);
PreviewManager* manager = PreviewManager::FromWebContents(&web_contents);
CHECK(manager);
manager->InitiatePreview(url);
#endif
}
bool Browser::ShouldUseInstancedSystemMediaControls() const {
return is_type_app() || is_type_app_popup();
}
void Browser::DraggableRegionsChanged(
const std::vector<blink::mojom::DraggableRegionPtr>& regions,
content::WebContents* contents) {
if (app_controller_) {
app_controller_->DraggableRegionsChanged(regions, contents);
}
}
std::vector<blink::mojom::RelatedApplicationPtr>
Browser::GetSavedRelatedApplications(WebContents* web_contents) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
CHECK(profile);
if (!web_app::AreWebAppsEnabled(profile)) {
return {};
}
const webapps::AppId* app_id =
web_app::WebAppTabHelper::GetAppId(web_contents);
if (!app_id || app_id->empty()) {
return {};
}
web_app::WebAppProvider* provider =
web_app::WebAppProvider::GetForWebApps(profile);
CHECK(provider);
std::vector<blink::Manifest::RelatedApplication> saved_related_apps =
provider->registrar_unsafe().GetRelatedApplications(*app_id);
std::vector<blink::mojom::RelatedApplicationPtr> related_apps_ptr;
for (const auto& app : saved_related_apps) {
auto related_app = blink::mojom::RelatedApplication::New();
related_app->platform =
base::UTF16ToUTF8(app.platform.value_or(std::u16string()));
related_app->id = base::UTF16ToUTF8(app.id.value_or(std::u16string()));
if (!app.url.is_empty()) {
related_app->url = app.url.spec();
}
related_apps_ptr.push_back(std::move(related_app));
}
return related_apps_ptr;
}
void Browser::DidFinishNavigation(
content::WebContents* web_contents,
content::NavigationHandle* navigation_handle) {
if (web_contents != tab_strip_model_->GetActiveWebContents()) {
return;
}
if (navigation_handle->IsInPrimaryMainFrame() &&
navigation_handle->HasCommitted()) {
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
}
void Browser::RunFileChooser(
content::RenderFrameHost* render_frame_host,
scoped_refptr<content::FileSelectListener> listener,
const blink::mojom::FileChooserParams& params) {
FileSelectHelper::RunFileChooser(render_frame_host, std::move(listener),
params);
}
void Browser::EnumerateDirectory(
WebContents* web_contents,
scoped_refptr<content::FileSelectListener> listener,
const base::FilePath& path) {
FileSelectHelper::EnumerateDirectory(web_contents, std::move(listener), path);
}
bool Browser::CanUseWindowingControls(
content::RenderFrameHost* requesting_frame) {
if (!web_app::AppBrowserController::IsWebApp(this)) {
requesting_frame->AddMessageToConsole(
blink::mojom::ConsoleMessageLevel::kWarning,
"API called from something else than a web_app.");
return false;
}
return true;
}
void Browser::OnWebApiWindowResizableChanged() {
window_->OnWebApiWindowResizableChanged();
}
bool Browser::GetCanResize() {
return window_->GetCanResize();
}
void Browser::MinimizeFromWebAPI() {
window_->Minimize();
}
void Browser::MaximizeFromWebAPI() {
window_->Maximize();
}
void Browser::RestoreFromWebAPI() {
window_->Restore();
}
ui::mojom::WindowShowState Browser::GetWindowShowState() const {
return window_->GetWindowShowState();
}
bool Browser::CanEnterFullscreenModeForTab(
content::RenderFrameHost* requesting_frame) {
// If the tab strip isn't editable then a drag session is in progress, and it
// is not safe to enter fullscreen. https://crbug.com/1315080
if (!tab_strip_model_delegate_->IsTabStripEditable()) {
return false;
}
return browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->CanEnterFullscreenModeForTab(requesting_frame);
}
void Browser::EnterFullscreenModeForTab(
content::RenderFrameHost* requesting_frame,
const blink::mojom::FullscreenOptions& options) {
browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->EnterFullscreenModeForTab(requesting_frame, options.display_id);
}
void Browser::ExitFullscreenModeForTab(WebContents* web_contents) {
browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->ExitFullscreenModeForTab(web_contents);
}
bool Browser::IsFullscreenForTabOrPending(const WebContents* web_contents) {
const content::FullscreenState state = GetFullscreenState(web_contents);
return state.target_mode == content::FullscreenMode::kContent ||
state.target_mode == content::FullscreenMode::kPseudoContent;
}
content::FullscreenState Browser::GetFullscreenState(
const WebContents* web_contents) const {
return browser_window_features()
->exclusive_access_manager()
->fullscreen_controller()
->GetFullscreenState(web_contents);
}
blink::mojom::DisplayMode Browser::GetDisplayMode(
const WebContents* web_contents) {
if (window_->IsFullscreen()) {
return blink::mojom::DisplayMode::kFullscreen;
}
if (is_type_picture_in_picture()) {
return blink::mojom::DisplayMode::kPictureInPicture;
}
if (is_type_app() || is_type_devtools() || is_type_app_popup()) {
if (app_controller_ && app_controller_->HasMinimalUiButtons()) {
return blink::mojom::DisplayMode::kMinimalUi;
}
if (app_controller_ && app_controller_->AppUsesWindowControlsOverlay() &&
!web_contents->GetWindowsControlsOverlayRect().IsEmpty()) {
return blink::mojom::DisplayMode::kWindowControlsOverlay;
}
if (app_controller_ && app_controller_->AppUsesTabbed()) {
return blink::mojom::DisplayMode::kTabbed;
}
if (app_controller_ && app_controller_->AppUsesBorderlessMode() &&
window_->IsBorderlessModeEnabled()) {
return blink::mojom::DisplayMode::kBorderless;
}
return blink::mojom::DisplayMode::kStandalone;
}
return blink::mojom::DisplayMode::kBrowser;
}
blink::ProtocolHandlerSecurityLevel Browser::GetProtocolHandlerSecurityLevel(
content::RenderFrameHost* requesting_frame) {
content::BrowserContext* context = requesting_frame->GetBrowserContext();
extensions::ProcessMap* process_map = extensions::ProcessMap::Get(context);
const Extension* owner_extension =
extensions::ProcessManager::Get(context)->GetExtensionForRenderFrameHost(
requesting_frame);
if (owner_extension &&
process_map->IsPrivilegedExtensionProcess(
*owner_extension,
requesting_frame->GetProcess()->GetDeprecatedID())) {
return blink::ProtocolHandlerSecurityLevel::kExtensionFeatures;
}
return blink::ProtocolHandlerSecurityLevel::kStrict;
}
void Browser::RegisterProtocolHandler(
content::RenderFrameHost* requesting_frame,
const std::string& protocol,
const GURL& url,
bool user_gesture) {
content::BrowserContext* context = requesting_frame->GetBrowserContext();
if (context->IsOffTheRecord()) {
return;
}
auto* web_contents =
content::WebContents::FromRenderFrameHost(requesting_frame);
ProtocolHandler handler = ProtocolHandler::CreateProtocolHandler(
protocol, url, GetProtocolHandlerSecurityLevel(requesting_frame));
// The parameters's normalization process defined in the spec has been already
// applied in the WebContentImpl class, so at this point it shouldn't be
// possible to create an invalid handler.
// https://html.spec.whatwg.org/multipage/system-state.html#normalize-protocol-handler-parameters
DCHECK(handler.IsValid());
custom_handlers::ProtocolHandlerRegistry* registry =
ProtocolHandlerRegistryFactory::GetForBrowserContext(context);
if (registry->SilentlyHandleRegisterHandlerRequest(handler)) {
return;
}
// TODO(carlscab): This should probably be FromFrame() once it becomes
// PageSpecificContentSettingsDelegate
auto* page_content_settings_delegate =
PageSpecificContentSettingsDelegate::FromWebContents(web_contents);
if (!user_gesture && window_) {
page_content_settings_delegate->set_pending_protocol_handler(handler);
page_content_settings_delegate->set_previous_protocol_handler(
registry->GetHandlerFor(handler.protocol()));
window_->GetLocationBar()->UpdateContentSettingsIcons();
return;
}
// Make sure content-setting icon is turned off in case the page does
// ungestured and gestured RPH calls.
if (window_) {
page_content_settings_delegate->ClearPendingProtocolHandler();
window_->GetLocationBar()->UpdateContentSettingsIcons();
}
if (registry->registration_mode() ==
custom_handlers::RphRegistrationMode::kAutoAccept) {
registry->OnAcceptRegisterProtocolHandler(handler);
return;
}
permissions::PermissionRequestManager* permission_request_manager =
permissions::PermissionRequestManager::FromWebContents(web_contents);
if (permission_request_manager) {
// At this point, there will be UI presented, and running a dialog causes an
// exit to webpage-initiated fullscreen. http://crbug.com/728276
base::ScopedClosureRunner fullscreen_block =
web_contents->ForSecurityDropFullscreen(
/*display_id=*/display::kInvalidDisplayId);
permission_request_manager->AddRequest(
requesting_frame,
std::make_unique<
custom_handlers::RegisterProtocolHandlerPermissionRequest>(
registry, handler, url, std::move(fullscreen_block)));
}
}
void Browser::UnregisterProtocolHandler(
content::RenderFrameHost* requesting_frame,
const std::string& protocol,
const GURL& url,
bool user_gesture) {
// user_gesture will be used in case we decide to have confirmation bubble
// for user while un-registering the handler.
content::BrowserContext* context = requesting_frame->GetBrowserContext();
if (context->IsOffTheRecord()) {
return;
}
ProtocolHandler handler = ProtocolHandler::CreateProtocolHandler(
protocol, url, GetProtocolHandlerSecurityLevel(requesting_frame));
custom_handlers::ProtocolHandlerRegistry* registry =
ProtocolHandlerRegistryFactory::GetForBrowserContext(context);
registry->RemoveHandler(handler);
}
void Browser::FindReply(WebContents* web_contents,
int request_id,
int number_of_matches,
const gfx::Rect& selection_rect,
int active_match_ordinal,
bool final_update) {
find_in_page::FindTabHelper* find_tab_helper =
find_in_page::FindTabHelper::FromWebContents(web_contents);
if (!find_tab_helper) {
return;
}
find_tab_helper->HandleFindReply(request_id, number_of_matches,
selection_rect, active_match_ordinal,
final_update);
}
void Browser::RequestPointerLock(WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target) {
browser_window_features()
->exclusive_access_manager()
->pointer_lock_controller()
->RequestToLockPointer(web_contents, user_gesture,
last_unlocked_by_target);
}
void Browser::LostPointerLock() {
browser_window_features()
->exclusive_access_manager()
->pointer_lock_controller()
->ExitExclusiveAccessToPreviousState();
}
bool Browser::IsWaitingForPointerLockPrompt(WebContents* web_contents) {
return browser_window_features()
->exclusive_access_manager()
->pointer_lock_controller()
->IsWaitingForPointerLockPrompt(web_contents);
}
void Browser::RequestKeyboardLock(WebContents* web_contents,
bool esc_key_locked) {
browser_window_features()
->exclusive_access_manager()
->keyboard_lock_controller()
->RequestKeyboardLock(web_contents, esc_key_locked);
}
void Browser::CancelKeyboardLockRequest(WebContents* web_contents) {
browser_window_features()
->exclusive_access_manager()
->keyboard_lock_controller()
->CancelKeyboardLockRequest(web_contents);
}
void Browser::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {
const extensions::Extension* extension =
GetExtensionForOrigin(profile_, request.security_origin);
MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
web_contents, request, std::move(callback), extension);
}
void Browser::ProcessSelectAudioOutput(
const content::SelectAudioOutputRequest& request,
content::SelectAudioOutputCallback callback) {
#if defined(TOOLKIT_VIEWS) && !BUILDFLAG(IS_FUCHSIA)
MediaCaptureDevicesDispatcher::GetInstance()->ProcessSelectAudioOutputRequest(
this, request, std::move(callback));
#else
std::move(callback).Run(
base::unexpected(content::SelectAudioOutputError::kUnknown));
#endif
}
bool Browser::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const url::Origin& security_origin,
blink::mojom::MediaStreamType type) {
Profile* profile =
Profile::FromBrowserContext(render_frame_host->GetBrowserContext());
const extensions::Extension* extension =
GetExtensionForOrigin(profile, security_origin.GetURL());
return MediaCaptureDevicesDispatcher::GetInstance()
->CheckMediaAccessPermission(render_frame_host, security_origin, type,
extension);
}
std::string Browser::GetTitleForMediaControls(WebContents* web_contents) {
return app_controller_ ? app_controller_->GetTitleForMediaControls()
: std::string();
}
#if BUILDFLAG(ENABLE_PRINTING)
void Browser::PrintCrossProcessSubframe(
content::WebContents* web_contents,
const gfx::Rect& rect,
int document_cookie,
content::RenderFrameHost* subframe_host) const {
auto* client = printing::PrintCompositeClient::FromWebContents(web_contents);
if (client) {
client->PrintCrossProcessSubframe(rect, document_cookie, subframe_host);
}
}
#endif
#if BUILDFLAG(ENABLE_PAINT_PREVIEW)
void Browser::CapturePaintPreviewOfSubframe(
content::WebContents* web_contents,
const gfx::Rect& rect,
const base::UnguessableToken& guid,
content::RenderFrameHost* render_frame_host) {
auto* client =
paint_preview::PaintPreviewClient::FromWebContents(web_contents);
if (client) {
client->CaptureSubframePaintPreview(guid, rect, render_frame_host);
}
}
#endif
///////////////////////////////////////////////////////////////////////////////
// Browser, web_modal::WebContentsModalDialogManagerDelegate implementation:
void Browser::SetWebContentsBlocked(content::WebContents* web_contents,
bool blocked) {
int index = tab_strip_model_->GetIndexOfWebContents(web_contents);
if (index == TabStripModel::kNoTab) {
// Removal of tabs from the TabStripModel can cause observer callbacks to
// invoke this method. The WebContents may no longer exist in the
// TabStripModel.
// If the WebContents has a DevTools window,
// the call is meant for the DevTools area.
if (DevToolsWindow::AsDevToolsWindow(web_contents)) {
window_->SetDevToolsScrimVisibility(blocked);
}
return;
}
// Drop HTML fullscreen to give users context for making informed decisions.
// Skip browser-fullscreen, which is more expressly user-initiated.
// Skip fullscreen-within-tab, which shows the browser frame.
if (blocked && GetFullscreenState(web_contents).target_mode ==
content::FullscreenMode::kContent) {
bool exit_fullscreen = true;
if (base::FeatureList::IsEnabled(
features::kAutomaticFullscreenContentSetting)) {
// Skip URLs with the automatic fullscreen content setting granted.
const GURL& url = web_contents->GetLastCommittedURL();
const HostContentSettingsMap* const content_settings =
HostContentSettingsMapFactory::GetForProfile(
web_contents->GetBrowserContext());
exit_fullscreen =
content_settings->GetContentSetting(
url, url, ContentSettingsType::AUTOMATIC_FULLSCREEN) !=
CONTENT_SETTING_ALLOW;
}
if (exit_fullscreen) {
web_contents->ExitFullscreen(true);
}
}
tab_strip_model_->SetTabBlocked(index, blocked);
bool browser_active = BrowserList::GetInstance()->GetLastActive() == this;
bool contents_is_active =
tab_strip_model_->GetActiveWebContents() == web_contents;
// If the WebContents is foremost (the active tab in the front-most browser)
// and is being unblocked, focus it to make sure that input works again.
if (!blocked && contents_is_active && browser_active) {
web_contents->Focus();
}
if (contents_is_active) {
window_->SetContentScrimVisibility(/*visible=*/blocked);
}
}
web_modal::WebContentsModalDialogHost*
Browser::GetWebContentsModalDialogHost() {
return window_->GetWebContentsModalDialogHost();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, BookmarkTabHelperObserver implementation:
void Browser::URLStarredChanged(content::WebContents* web_contents,
bool starred) {
if (web_contents == tab_strip_model_->GetActiveWebContents()) {
window_->SetStarredState(starred);
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, ZoomObserver implementation:
void Browser::OnZoomControllerDestroyed(zoom::ZoomController* zoom_controller) {
// SetAsDelegate() takes care of removing the observers.
}
void Browser::OnZoomChanged(
const zoom::ZoomController::ZoomChangedEventData& data) {
if (data.web_contents == tab_strip_model_->GetActiveWebContents()) {
window_->ZoomChangedForActiveTab(data.can_show_bubble);
// Change the zoom commands state based on the zoom state
command_controller_->ZoomStateChanged();
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, ui::SelectFileDialog::Listener implementation:
void Browser::FileSelected(const ui::SelectedFileInfo& file_info, int index) {
// Transfer the ownership of select file dialog so that the ref count is
// released after the function returns. This is needed because the passed-in
// data such as |file_info| and |params| could be owned by the dialog.
scoped_refptr<ui::SelectFileDialog> dialog = std::move(select_file_dialog_);
profile_->set_last_selected_directory(file_info.file_path.DirName());
GURL url =
file_info.url.value_or(net::FilePathToFileURL(file_info.local_path));
if (url.is_empty()) {
return;
}
OpenURL(OpenURLParams(url, Referrer(), WindowOpenDisposition::CURRENT_TAB,
ui::PAGE_TRANSITION_TYPED, false),
/*navigation_handle_callback=*/{});
}
void Browser::FileSelectionCanceled() {
select_file_dialog_.reset();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, ThemeServiceObserver implementation:
void Browser::OnThemeChanged() {
window()->UserChangedTheme(BrowserThemeChangeType::kBrowserTheme);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Command and state updating (private):
void Browser::OnTabInsertedAt(WebContents* contents, int index) {
// If this Browser is about to be deleted, then WebContents should not be
// added to it. This is because scheduling the delete can not be undone, and
// proper cleanup is not done if a WebContents is added once delete it
// scheduled (WebContents is leaked, unload handlers aren't checked...).
// TODO(crbug.com/40064092): this should check that `is_delete_scheduled_` is
// false.
DUMP_WILL_BE_CHECK(!is_delete_scheduled_);
SetAsDelegate(contents, true);
sessions::SessionTabHelper::FromWebContents(contents)->SetWindowID(
session_id());
SyncHistoryWithTabs(index);
// Make sure the loading state is updated correctly, otherwise the throbber
// won't start if the page is loading. Note that we don't want to
// ScheduleUIUpdate() because the tab may not have been inserted in the UI
// yet if this function is called before TabStripModel::TabInsertedAt().
UpdateWindowForLoadingStateChanged(contents, true);
SessionServiceBase* service = GetAppropriateSessionServiceForProfile(this);
if (service) {
service->TabInserted(contents);
int new_active_index = tab_strip_model_->active_index();
if (index < new_active_index) {
service->SetSelectedTabInWindow(session_id(), new_active_index);
}
}
}
void Browser::OnTabClosing(WebContents* contents) {
// When this function is called |contents| has been removed from the
// TabStripModel. Some of the following code may trigger calling to the
// WebContentsDelegate, which is |this|, which may try to look for the
// WebContents in the TabStripModel, and fail because the WebContents has
// been removed. To avoid these problems the delegate is reset now.
SetAsDelegate(contents, false);
// Typically, ModalDialogs are closed when the WebContents is destroyed.
// However, when the tab is being closed, we must first close the dialogs [to
// give them an opportunity to clean up after themselves] while the state
// associated with their tab is still valid.
WebContentsModalDialogManager::FromWebContents(contents)->CloseAllDialogs();
// Page load metrics need to be informed that the WebContents will soon be
// destroyed, so that upcoming visibility changes can be ignored.
page_load_metrics::MetricsWebContentsObserver* metrics_observer =
page_load_metrics::MetricsWebContentsObserver::FromWebContents(contents);
metrics_observer->WebContentsWillSoonBeDestroyed();
browser_window_features()->exclusive_access_manager()->OnTabClosing(contents);
SessionServiceBase* service = GetAppropriateSessionServiceForProfile(this);
if (service) {
service->TabClosing(contents);
}
}
void Browser::OnTabDetached(WebContents* contents, bool was_active) {
if (!tab_strip_model_->closing_all()) {
SessionServiceBase* service = GetAppropriateSessionServiceIfExisting(this);
if (service) {
service->SetSelectedTabInWindow(session_id(),
tab_strip_model_->active_index());
}
}
TabDetachedAtImpl(contents, was_active, DETACH_TYPE_DETACH);
window_->OnTabDetached(contents, was_active);
}
void Browser::OnTabDeactivated(WebContents* contents) {
browser_window_features()->exclusive_access_manager()->OnTabDeactivated(
contents);
SearchTabHelper::FromWebContents(contents)->OnTabDeactivated();
// Save what the user's currently typing, so it can be restored when we
// switch back to this tab.
window_->GetLocationBar()->SaveStateToContents(contents);
}
void Browser::OnActiveTabChanged(WebContents* old_contents,
WebContents* new_contents,
int index,
int reason) {
TRACE_EVENT0("ui", "Browser::OnActiveTabChanged");
// Mac correctly sets the initial background color of new tabs to the theme
// background color, so it does not need this block of code. Aura should
// implement this as well.
// https://crbug.com/719230
#if !BUILDFLAG(IS_MAC)
// Copies the background color from an old WebContents to a new one that
// replaces it on the screen. This allows the new WebContents to use the
// old one's background color as the starting background color, before having
// loaded any contents. As a result, we avoid flashing white when moving to
// a new tab. (There is also code in RenderFrameHostManager to do something
// similar for intra-tab navigations.)
if (old_contents && new_contents) {
// While GetPrimaryMainFrame() is guaranteed to return non-null, GetView()
// is not, e.g. between WebContents creation and creation of the
// RenderWidgetHostView.
RenderWidgetHostView* old_view =
old_contents->GetPrimaryMainFrame()->GetView();
RenderWidgetHostView* new_view =
new_contents->GetPrimaryMainFrame()->GetView();
if (old_view && new_view) {
new_view->CopyBackgroundColorIfPresentFrom(*old_view);
}
}
#endif
base::RecordAction(UserMetricsAction("ActiveTabChanged"));
// Update the bookmark state, since the BrowserWindow may query it during
// OnActiveTabChanged() below.
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH);
bool is_blocked = tab_strip_model_->IsTabBlocked(index);
window_->SetContentScrimVisibility(/*visible=*/is_blocked);
// Let the BrowserWindow do its handling. On e.g. views this changes the
// focused object, which should happen before we update the toolbar below,
// since the omnibox expects the correct element to already be focused when it
// is updated.
window_->OnActiveTabChanged(old_contents, new_contents, index, reason);
browser_window_features()->exclusive_access_manager()->OnTabDetachedFromView(
old_contents);
// If we have any update pending, do it now.
if (chrome_updater_factory_.HasWeakPtrs() && old_contents) {
ProcessPendingUIUpdates();
}
// Propagate the profile to the location bar.
UpdateToolbar((reason & CHANGE_REASON_REPLACED) == 0);
// Update reload/stop state.
command_controller_->LoadingStateChanged(new_contents->IsLoading(), true);
// Update commands to reflect current state.
command_controller_->TabStateChanged();
// Reset the status bubble.
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
for (StatusBubble* status_bubble : status_bubbles) {
status_bubble->Hide();
// Show the loading state (if any).
if (status_bubble == status_bubbles.front()) {
status_bubble->SetStatus(CoreTabHelper::FromWebContents(
tab_strip_model_->GetActiveWebContents())
->GetStatusText());
}
}
if (HasFindBarController()) {
CreateOrGetFindBarController()->HandleActiveTabChanged(new_contents);
}
// Update sessions (selected tab index and last active time). Don't force
// creation of sessions. If sessions doesn't exist, the change will be picked
// up by sessions when created.
SessionServiceBase* service = GetAppropriateSessionServiceIfExisting(this);
if (service && !tab_strip_model_->closing_all()) {
service->SetSelectedTabInWindow(session_id(),
tab_strip_model_->active_index());
sessions::SessionTabHelper* session_tab_helper =
sessions::SessionTabHelper::FromWebContents(new_contents);
service->SetLastActiveTime(session_id(), session_tab_helper->session_id(),
base::Time::Now());
}
SearchTabHelper::FromWebContents(new_contents)->OnTabActivated();
did_active_tab_change_callback_list_.Notify(this);
}
void Browser::OnTabMoved(int from_index, int to_index) {
DCHECK(from_index >= 0 && to_index >= 0);
// Notify the history service.
SyncHistoryWithTabs(std::min(from_index, to_index));
}
void Browser::OnTabReplacedAt(WebContents* old_contents,
WebContents* new_contents,
int index) {
bool was_active = index == tab_strip_model_->active_index();
if (was_active) {
did_active_tab_change_callback_list_.Notify(this);
}
TabDetachedAtImpl(old_contents, was_active, DETACH_TYPE_REPLACE);
browser_window_features()->exclusive_access_manager()->OnTabClosing(
old_contents);
SessionServiceBase* session_service =
GetAppropriateSessionServiceForProfile(this);
if (session_service) {
session_service->TabClosing(old_contents);
}
OnTabInsertedAt(new_contents, index);
if (!new_contents->GetController().IsInitialBlankNavigation()) {
// Send out notification so that observers are updated appropriately.
int entry_count = new_contents->GetController().GetEntryCount();
new_contents->GetController().NotifyEntryChanged(
new_contents->GetController().GetEntryAtIndex(entry_count - 1));
}
if (session_service) {
// The new_contents may end up with a different navigation stack. Force
// the session service to update itself.
session_service->TabRestored(new_contents,
tab_strip_model_->IsTabPinned(index));
}
}
void Browser::OnDevToolsAvailabilityChanged() {
for (auto& agent_host : content::DevToolsAgentHost::GetAll()) {
if (!DevToolsWindow::AllowDevToolsFor(profile_,
agent_host->GetWebContents())) {
agent_host->ForceDetachAllSessions();
}
}
}
#if BUILDFLAG(IS_CHROMEOS)
void Browser::OnLockedForOnTaskUpdated() {
bool is_locked = IsLockedForOnTask();
BrowserView* const browser_view = static_cast<BrowserView*>(window());
browser_view->SetCanMinimize(!is_locked);
browser_view->SetShowCloseButton(!is_locked);
}
#endif
///////////////////////////////////////////////////////////////////////////////
// Browser, UI update coalescing and handling (private):
void Browser::UpdateToolbar(bool should_restore_state) {
TRACE_EVENT0("ui", "Browser::UpdateToolbar");
window_->UpdateToolbar(should_restore_state
? tab_strip_model_->GetActiveWebContents()
: nullptr);
}
void Browser::UpdateToolbarSecurityState() {
TRACE_EVENT0("ui", "Browser::UpdateToolbarSecurityState");
window_->UpdateToolbarSecurityState();
}
void Browser::ScheduleUIUpdate(WebContents* source, unsigned changed_flags) {
DCHECK(source);
// WebContents may in some rare cases send updates after they've been detached
// from the tabstrip but before they are deleted, causing a potential crash if
// we proceed. For now bail out.
// TODO(crbug.com/40100269) Figure out a safe way to detach browser delegate
// from WebContents when it's removed so this doesn't happen - then put a
// DCHECK back here.
if (tab_strip_model_->GetIndexOfWebContents(source) ==
TabStripModel::kNoTab) {
return;
}
// Do some synchronous updates.
if (changed_flags & content::INVALIDATE_TYPE_URL) {
if (source == tab_strip_model_->GetActiveWebContents()) {
// Only update the URL for the current tab. Note that we do not update
// the navigation commands since those would have already been updated
// synchronously by NavigationStateChanged.
UpdateToolbar(false);
} else {
// Clear the saved tab state for the tab that navigated, so that we don't
// restore any user text after the old URL has been invalidated (e.g.,
// after a new navigation commits in that tab while unfocused).
window_->ResetToolbarTabState(source);
}
changed_flags &= ~content::INVALIDATE_TYPE_URL;
}
if (changed_flags & content::INVALIDATE_TYPE_LOAD) {
// Update the loading state synchronously. This is so the throbber will
// immediately start/stop, which gives a more snappy feel. We want to do
// this for any tab so they start & stop quickly.
tab_strip_model_->UpdateWebContentsStateAt(
tab_strip_model_->GetIndexOfWebContents(source),
TabChangeType::kLoadingOnly);
// The status bubble needs to be updated during INVALIDATE_TYPE_LOAD too,
// but we do that asynchronously by not stripping INVALIDATE_TYPE_LOAD from
// changed_flags.
}
// If the only updates were synchronously handled above, we're done.
if (changed_flags == 0) {
return;
}
// Save the dirty bits.
scheduled_updates_[source] |= changed_flags;
if (!chrome_updater_factory_.HasWeakPtrs()) {
base::TimeDelta delay = update_ui_immediately_for_testing_
? base::Milliseconds(0)
: kUIUpdateCoalescingTime;
// No task currently scheduled, start another.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&Browser::ProcessPendingUIUpdates,
chrome_updater_factory_.GetWeakPtr()),
delay);
}
}
void Browser::ProcessPendingUIUpdates() {
#ifndef NDEBUG
// Validate that all tabs we have pending updates for exist. This is scary
// because the pending list must be kept in sync with any detached or
// deleted tabs.
for (UpdateMap::const_iterator i = scheduled_updates_.begin();
i != scheduled_updates_.end(); ++i) {
bool found = false;
for (int tab = 0; tab < tab_strip_model_->count(); tab++) {
if (tab_strip_model_->GetWebContentsAt(tab) == i->first) {
found = true;
break;
}
}
DCHECK(found);
}
#endif
chrome_updater_factory_.InvalidateWeakPtrs();
for (UpdateMap::const_iterator i = scheduled_updates_.begin();
i != scheduled_updates_.end(); ++i) {
// Do not dereference |contents|, it may be out-of-date!
const WebContents* contents = i->first;
unsigned flags = i->second;
if (contents == tab_strip_model_->GetActiveWebContents()) {
// Updates that only matter when the tab is selected go here.
// Updating the URL happens synchronously in ScheduleUIUpdate.
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
if (flags & content::INVALIDATE_TYPE_LOAD && status_bubbles.size() > 0) {
status_bubbles.front()->SetStatus(
CoreTabHelper::FromWebContents(
tab_strip_model_->GetActiveWebContents())
->GetStatusText());
}
if (flags &
(content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE)) {
window_->UpdateTitleBar();
}
}
// Updates that don't depend upon the selected state go here.
if (flags & (content::INVALIDATE_TYPE_TAB | content::INVALIDATE_TYPE_TITLE |
content::INVALIDATE_TYPE_AUDIO)) {
tab_strip_model_->UpdateWebContentsStateAt(
tab_strip_model_->GetIndexOfWebContents(contents),
TabChangeType::kAll);
}
// Update the bookmark bar and PWA install icon. It may happen that the tab
// is crashed, and if so, the bookmark bar and PWA install icon should be
// hidden.
if (flags & content::INVALIDATE_TYPE_TAB) {
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
// TODO(crbug.com/40122780): Ideally, we should simply ask the state to
// update, and doing that in an appropriate and efficient manner.
window()->UpdatePageActionIcon(PageActionIconType::kPwaInstall);
}
// We don't need to process INVALIDATE_STATE, since that's not visible.
}
scheduled_updates_.clear();
}
void Browser::RemoveScheduledUpdatesFor(WebContents* contents) {
if (!contents) {
return;
}
auto i = scheduled_updates_.find(contents);
if (i != scheduled_updates_.end()) {
scheduled_updates_.erase(i);
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Getters for UI (private):
std::vector<StatusBubble*> Browser::GetStatusBubbles() {
// For kiosk and exclusive app mode we want to always hide the status bubble.
if (IsRunningInAppMode()) {
return {};
}
// We hide the status bar for web apps windows as this matches native
// experience. However, we include the status bar for 'minimal-ui' display
// mode, as the minimal browser UI includes the status bar.
if (web_app::AppBrowserController::IsWebApp(this) &&
!app_controller()->HasMinimalUiButtons()) {
return {};
}
if (window_) {
return window_->GetStatusBubbles();
} else {
return {};
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Session restore functions (private):
void Browser::SyncHistoryWithTabs(int index) {
SessionServiceBase* service = GetAppropriateSessionServiceForProfile(this);
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile());
if (!service && !session_service) {
return;
}
for (int i = index; i < tab_strip_model_->count(); ++i) {
WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i);
if (web_contents) {
sessions::SessionTabHelper* session_tab_helper =
sessions::SessionTabHelper::FromWebContents(web_contents);
if (service) {
service->SetPinnedState(session_id(), session_tab_helper->session_id(),
tab_strip_model_->IsTabPinned(i));
}
if (!IsRelevantToAppSessionService(type_) && session_service) {
session_service->SetTabIndexInWindow(
session_id(), session_tab_helper->session_id(), i);
std::optional<tab_groups::TabGroupId> group_id =
tab_strip_model_->GetTabGroupForTab(i);
session_service->SetTabGroup(session_id(),
session_tab_helper->session_id(),
std::move(group_id));
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, In-progress download termination handling (private):
bool Browser::CanCloseWithInProgressDownloads() {
#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
// On Mac and ChromeOS, non-incognito and non-Guest downloads can still
// continue after window is closed.
if (!profile_->IsOffTheRecord()) {
return true;
}
#endif
// If we've prompted, we need to hear from the user before we
// can close.
if (cancel_download_confirmation_state_ != NOT_PROMPTED) {
return cancel_download_confirmation_state_ != WAITING_FOR_RESPONSE;
}
int num_downloads_blocking;
DownloadCloseType dialog_type =
OkToCloseWithInProgressDownloads(&num_downloads_blocking);
if (dialog_type == DownloadCloseType::kOk) {
return true;
}
// Closing this window will kill some downloads; prompt to make sure
// that's ok.
cancel_download_confirmation_state_ = WAITING_FOR_RESPONSE;
window_->ConfirmBrowserCloseWithPendingDownloads(
num_downloads_blocking, dialog_type,
base::BindOnce(&Browser::InProgressDownloadResponse,
weak_factory_.GetWeakPtr()));
// Return false so the browser does not close. We'll close if the user
// confirms in the dialog.
return false;
}
void Browser::InProgressDownloadResponse(bool cancel_downloads) {
if (cancel_downloads) {
cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
if (ShouldShowCookieMigrationNoticeForBrowser(*this)) {
ShowCookieClearOnExitMigrationNotice(
*this, base::BindOnce(&Browser::CookieMigrationNoticeResponse,
weak_factory_.GetWeakPtr()));
} else {
std::move(warn_before_closing_callback_)
.Run(WarnBeforeClosingResult::kOkToClose);
}
return;
}
// Sets the confirmation state to NOT_PROMPTED so that if the user tries to
// close again we'll show the warning again.
cancel_download_confirmation_state_ = NOT_PROMPTED;
// Show the download page so the user can figure-out what downloads are still
// in-progress.
chrome::ShowDownloads(this);
std::move(warn_before_closing_callback_)
.Run(WarnBeforeClosingResult::kDoNotClose);
}
void Browser::CookieMigrationNoticeResponse(bool proceed_closing) {
std::move(warn_before_closing_callback_)
.Run(proceed_closing ? WarnBeforeClosingResult::kOkToClose
: WarnBeforeClosingResult::kDoNotClose);
}
void Browser::FinishWarnBeforeClosing(WarnBeforeClosingResult result) {
switch (result) {
case WarnBeforeClosingResult::kOkToClose:
chrome::CloseWindow(this);
break;
case WarnBeforeClosingResult::kDoNotClose:
// Reset UnloadController::is_attempting_to_close_browser_ so that we
// don't prompt every time any tab is closed. http://crbug.com/305516
unload_controller_.CancelWindowClose();
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Assorted utility functions (private):
void Browser::SetAsDelegate(WebContents* web_contents, bool set_delegate) {
Browser* delegate = set_delegate ? this : nullptr;
// WebContents...
web_contents->SetDelegate(delegate);
// ...and all the helpers.
WebContentsModalDialogManager::FromWebContents(web_contents)
->SetDelegate(delegate);
zoom::ZoomController* zoom_controller =
zoom::ZoomController::FromWebContents(web_contents);
if (delegate) {
zoom_controller->AddObserver(this);
BookmarkTabHelper::FromWebContents(web_contents)->AddObserver(this);
web_contents_collection_.StartObserving(web_contents);
} else {
zoom_controller->RemoveObserver(this);
BookmarkTabHelper::FromWebContents(web_contents)->RemoveObserver(this);
web_contents_collection_.StopObserving(web_contents);
}
}
void Browser::TabDetachedAtImpl(content::WebContents* contents,
bool was_active,
DetachType type) {
if (type == DETACH_TYPE_DETACH) {
// Save the current location bar state, but only if the tab being detached
// is the selected tab. Because saving state can conditionally revert the
// location bar, saving the current tab's location bar state to a
// non-selected tab can corrupt both tabs.
if (was_active) {
LocationBar* location_bar = window()->GetLocationBar();
if (location_bar) {
location_bar->SaveStateToContents(contents);
}
}
if (!tab_strip_model_->closing_all()) {
SyncHistoryWithTabs(0);
}
}
SetAsDelegate(contents, false);
RemoveScheduledUpdatesFor(contents);
if (HasFindBarController() && was_active) {
CreateOrGetFindBarController()->ChangeWebContents(nullptr);
}
}
void Browser::UpdateWindowForLoadingStateChanged(content::WebContents* source,
bool should_show_loading_ui) {
window_->UpdateLoadingAnimations(/* is_visible=*/!window_->IsMinimized());
window_->UpdateTitleBar();
WebContents* selected_contents = tab_strip_model_->GetActiveWebContents();
if (source == selected_contents) {
bool is_loading = source->IsLoading() && should_show_loading_ui;
command_controller_->LoadingStateChanged(is_loading, false);
std::vector<StatusBubble*> status_bubbles = GetStatusBubbles();
if (status_bubbles.size() > 0) {
status_bubbles.front()->SetStatus(
CoreTabHelper::FromWebContents(selected_contents)->GetStatusText());
}
}
}
bool Browser::NormalBrowserSupportsWindowFeature(WindowFeature feature,
bool check_can_support) const {
const base::FunctionRef<bool(const Browser*)> fullscreen =
MaybeLazyIsFullscreen(this);
switch (feature) {
case FEATURE_BOOKMARKBAR:
return true;
case FEATURE_TABSTRIP:
case FEATURE_TOOLBAR:
case FEATURE_LOCATIONBAR:
return check_can_support || !fullscreen(this);
case FEATURE_TITLEBAR:
case FEATURE_NONE:
return false;
}
}
bool Browser::PopupBrowserSupportsWindowFeature(WindowFeature feature,
bool check_can_support) const {
const base::FunctionRef<bool(const Browser*)> fullscreen =
MaybeLazyIsFullscreen(this);
switch (feature) {
case FEATURE_TITLEBAR:
case FEATURE_LOCATIONBAR:
return check_can_support || (!fullscreen(this) && !is_trusted_source());
case FEATURE_TABSTRIP:
case FEATURE_TOOLBAR:
case FEATURE_BOOKMARKBAR:
case FEATURE_NONE:
return false;
}
}
bool Browser::AppPopupBrowserSupportsWindowFeature(
WindowFeature feature,
bool check_can_support) const {
const base::FunctionRef<bool(const Browser*)> fullscreen =
MaybeLazyIsFullscreen(this);
switch (feature) {
case FEATURE_TITLEBAR:
return check_can_support || !fullscreen(this);
case FEATURE_LOCATIONBAR:
return app_controller_ && (check_can_support || !fullscreen(this));
default:
return PopupBrowserSupportsWindowFeature(feature, check_can_support);
}
}
bool Browser::AppBrowserSupportsWindowFeature(WindowFeature feature,
bool check_can_support) const {
DCHECK(app_controller_);
const base::FunctionRef<bool(const Browser*)> fullscreen =
MaybeLazyIsFullscreen(this);
switch (feature) {
// Web apps should always support the toolbar, so the title/origin of the
// current page can be shown when browsing a url that is not inside the app.
// Note: Final determination of whether or not the toolbar is shown is made
// by the |AppBrowserController|.
// TODO(crbug.com/40639933): Make this control the visibility of Browser
// Controls more generally.
case FEATURE_TOOLBAR:
return true;
case FEATURE_TITLEBAR:
// TODO(crbug.com/40639933): Make this control the visibility of
// CustomTabBarView.
case FEATURE_LOCATIONBAR:
return check_can_support || !fullscreen(this);
case FEATURE_TABSTRIP:
// Even when the app has a tab strip, it should be hidden in
// fullscreen. This is consistent with the behavior of
// NormalBrowserSupportsWindowFeature().
return app_controller_->has_tab_strip() &&
(check_can_support || !fullscreen(this));
case FEATURE_BOOKMARKBAR:
case FEATURE_NONE:
return false;
}
}
#if BUILDFLAG(IS_CHROMEOS)
// TODO(b/64863368): Consider Fullscreen mode.
bool Browser::CustomTabBrowserSupportsWindowFeature(
WindowFeature feature) const {
switch (feature) {
case FEATURE_TOOLBAR:
return true;
case FEATURE_TITLEBAR:
case FEATURE_LOCATIONBAR:
case FEATURE_TABSTRIP:
case FEATURE_BOOKMARKBAR:
case FEATURE_NONE:
return false;
}
}
#endif
bool Browser::PictureInPictureBrowserSupportsWindowFeature(
WindowFeature feature,
bool check_can_support) const {
switch (feature) {
case FEATURE_TITLEBAR:
return true;
case FEATURE_LOCATIONBAR:
case FEATURE_TABSTRIP:
case FEATURE_TOOLBAR:
case FEATURE_BOOKMARKBAR:
case FEATURE_NONE:
return false;
}
}
bool Browser::SupportsWindowFeatureImpl(WindowFeature feature,
bool check_can_support) const {
switch (type_) {
case TYPE_NORMAL:
return NormalBrowserSupportsWindowFeature(feature, check_can_support);
case TYPE_POPUP:
return PopupBrowserSupportsWindowFeature(feature, check_can_support);
case TYPE_APP:
if (app_controller_) {
return AppBrowserSupportsWindowFeature(feature, check_can_support);
}
// TODO(crbug.com/40639933): Change legacy apps to TYPE_APP_POPUP.
return AppPopupBrowserSupportsWindowFeature(feature, check_can_support);
case TYPE_DEVTOOLS:
case TYPE_APP_POPUP:
return AppPopupBrowserSupportsWindowFeature(feature, check_can_support);
#if BUILDFLAG(IS_CHROMEOS)
case TYPE_CUSTOM_TAB:
return CustomTabBrowserSupportsWindowFeature(feature);
#endif
case TYPE_PICTURE_IN_PICTURE:
return PictureInPictureBrowserSupportsWindowFeature(feature,
check_can_support);
}
}
void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) {
BookmarkBar::State state =
ShouldShowBookmarkBar() ? BookmarkBar::SHOW : BookmarkBar::HIDDEN;
if (state == bookmark_bar_state_) {
return;
}
bookmark_bar_state_ = state;
if (!window_) {
return; // This is called from the constructor when window_ is NULL.
}
if (reason == BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH) {
// Don't notify BrowserWindow on a tab switch as at the time this is invoked
// BrowserWindow hasn't yet switched tabs. The BrowserWindow implementations
// end up querying state once they process the tab switch.
return;
}
bool should_animate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE ||
reason == BOOKMARK_BAR_STATE_CHANGE_FORCE_SHOW;
window_->BookmarkBarStateChanged(
should_animate ? BookmarkBar::ANIMATE_STATE_CHANGE
: BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
}
bool Browser::ShouldShowBookmarkBar() const {
if (profile_->IsGuestSession()) {
return false;
}
if (browser_defaults::bookmarks_enabled &&
profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar) &&
!ShouldHideUIForFullscreen()) {
return true;
}
if (force_show_bookmark_bar_flags_ != ForceShowBookmarkBarFlag::kNone) {
return true;
}
if (!browser_defaults::bookmarks_enabled) {
return false;
}
PrefService* prefs = profile_->GetPrefs();
if (prefs->IsManagedPreference(bookmarks::prefs::kShowBookmarkBar) &&
!prefs->GetBoolean(bookmarks::prefs::kShowBookmarkBar)) {
return false;
}
const tabs::TabInterface* active_tab = tab_strip_model_->GetActiveTab();
if (!active_tab || !active_tab->GetContents()) {
return false;
}
bookmarks::BookmarkModel* bookmark_model =
BookmarkModelFactory::GetForBrowserContext(
active_tab->GetContents()->GetBrowserContext());
const bool has_bookmarks = bookmark_model && bookmark_model->HasBookmarks();
tab_groups::TabGroupSyncService* tab_group_service =
tab_groups::SavedTabGroupUtils::GetServiceForProfile(profile_);
const bool has_saved_tab_groups =
tab_group_service && !tab_group_service->GetAllGroups().empty();
// The bookmark bar is only shown if the user has added something to it.
if (!has_bookmarks && !has_saved_tab_groups) {
return false;
}
// The bookmark bar is only shown on the NTP. If the active tab is part of a
// split, check if any tabs in the split are the NTP.
std::optional<split_tabs::SplitTabId> split_id = active_tab->GetSplit();
if (split_id.has_value()) {
std::vector<tabs::TabInterface*> split_tabs =
tab_strip_model_->GetSplitData(split_id.value())->ListTabs();
return std::any_of(
split_tabs.begin(), split_tabs.end(),
[](const auto& tab) { return IsShowingNTP(tab->GetContents()); });
}
return IsShowingNTP(active_tab->GetContents());
}
bool Browser::IsBrowserClosing() const {
const BrowserList::BrowserSet& closing_browsers =
BrowserList::GetInstance()->currently_closing_browsers();
return base::Contains(closing_browsers, this);
}
bool Browser::ShouldStartShutdown() const {
if (IsBrowserClosing()) {
return false;
}
const size_t closing_browsers_count =
BrowserList::GetInstance()->currently_closing_browsers().size();
return BrowserList::GetInstance()->size() == closing_browsers_count + 1u;
}
bool Browser::ShouldCreateBackgroundContents(
content::SiteInstance* source_site_instance,
const GURL& opener_url,
const std::string& frame_name) {
extensions::ExtensionSystem* extension_system =
extensions::ExtensionSystem::Get(profile_);
if (!opener_url.is_valid() || frame_name.empty() ||
!extension_system->is_ready()) {
return false;
}
// Only hosted apps have web extents, so this ensures that only hosted apps
// can create BackgroundContents. We don't have to check for background
// permission as that is checked in RenderMessageFilter when the CreateWindow
// message is processed.
const Extension* extension = extensions::ExtensionRegistry::Get(profile_)
->enabled_extensions()
.GetHostedAppByURL(opener_url);
if (!extension) {
return false;
}
// No BackgroundContents allowed if BackgroundContentsService doesn't exist.
BackgroundContentsService* service =
BackgroundContentsServiceFactory::GetForProfile(profile_);
if (!service) {
return false;
}
// Ensure that we're trying to open this from the extension's process.
extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile_);
if (!source_site_instance->HasProcess() ||
!process_map->Contains(
extension->id(),
source_site_instance->GetProcess()->GetDeprecatedID())) {
return false;
}
return true;
}
BackgroundContents* Browser::CreateBackgroundContents(
content::SiteInstance* source_site_instance,
content::RenderFrameHost* opener,
const GURL& opener_url,
bool is_new_browsing_instance,
const std::string& frame_name,
const GURL& target_url,
const content::StoragePartitionConfig& partition_config,
content::SessionStorageNamespace* session_storage_namespace) {
BackgroundContentsService* service =
BackgroundContentsServiceFactory::GetForProfile(profile_);
const Extension* extension = extensions::ExtensionRegistry::Get(profile_)
->enabled_extensions()
.GetHostedAppByURL(opener_url);
bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension);
// Only allow a single background contents per app.
BackgroundContents* existing =
service->GetAppBackgroundContents(extension->id());
if (existing) {
// For non-scriptable background contents, ignore the request altogether,
// Note that ShouldCreateBackgroundContents() returning true will also
// suppress creation of the normal WebContents.
if (!allow_js_access) {
return nullptr;
}
// For scriptable background pages, if one already exists, close it (even
// if it was specified in the manifest).
service->DeleteBackgroundContents(existing);
}
// Passed all the checks, so this should be created as a BackgroundContents.
if (allow_js_access) {
return service->CreateBackgroundContents(
source_site_instance, opener, is_new_browsing_instance, frame_name,
extension->id(), partition_config, session_storage_namespace);
}
// If script access is not allowed, create the the background contents in a
// new SiteInstance, so that a separate process is used. We must not use any
// of the passed-in routing IDs, as they are objects in the opener's
// process.
BackgroundContents* contents = service->CreateBackgroundContents(
content::SiteInstance::Create(source_site_instance->GetBrowserContext()),
nullptr, is_new_browsing_instance, frame_name, extension->id(),
partition_config, session_storage_namespace);
// When a separate process is used, the original renderer cannot access the
// new window later, thus we need to navigate the window now.
contents->web_contents()->GetController().LoadURL(
target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
std::string()); // No extra headers.
return contents;
}
FindBarController* Browser::CreateOrGetFindBarController() {
return GetFeatures().GetFindBarController();
}
bool Browser::HasFindBarController() {
return GetFeatures().HasFindBarController();
}
Browser::ScopedWindowCallToActionImpl::ScopedWindowCallToActionImpl(
Browser* browser)
: browser_(browser->weak_factory_.GetWeakPtr()) {
DCHECK(!browser_->showing_call_to_action_);
browser_->showing_call_to_action_ = true;
}
Browser::ScopedWindowCallToActionImpl::~ScopedWindowCallToActionImpl() {
browser_->showing_call_to_action_ = false;
}