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chromium / chromium / src / e289a91eb066d9290fb42a4b5968bf622ab22084 / . / chrome / browser / ui / browser.cc
blob: 27f01a5473a24308905f91a7366828579490c689 [file] [log] [blame]
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/browser.h"
#include <stddef.h>
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include "base/base_paths.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/optional.h"
#include "base/process/process_info.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/autofill/personal_data_manager_factory.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/banners/app_banner_manager_desktop.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.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/sound_content_setting_observer.h"
#include "chrome/browser/content_settings/tab_specific_content_settings.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
#include "chrome/browser/custom_handlers/register_protocol_handler_permission_request.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/api/tabs/tabs_event_router.h"
#include "chrome/browser/extensions/api/tabs/tabs_windows_api.h"
#include "chrome/browser/extensions/browser_extension_window_controller.h"
#include "chrome/browser/extensions/extension_service.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/infobars/infobar_service.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/notifications/notification_ui_manager.h"
#include "chrome/browser/page_load_metrics/metrics_web_contents_observer.h"
#include "chrome/browser/pepper_broker_infobar_delegate.h"
#include "chrome/browser/permissions/permission_request_manager.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_window_manager.h"
#include "chrome/browser/plugins/plugin_finder.h"
#include "chrome/browser/plugins/plugin_metadata.h"
#include "chrome/browser/policy/developer_tools_policy_handler.h"
#include "chrome/browser/prefs/incognito_mode_prefs.h"
#include "chrome/browser/printing/background_printing_manager.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_destroyer.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/resource_coordinator/tab_load_tracker.h"
#include "chrome/browser/resource_coordinator/tab_manager_web_contents_data.h"
#include "chrome/browser/search/search.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_tab_helper.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "chrome/browser/ssl/security_state_tab_helper.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/task_manager/web_contents_tags.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_factory.h"
#include "chrome/browser/translate/chrome_translate_client.h"
#include "chrome/browser/ui/autofill/chrome_autofill_client.h"
#include "chrome/browser/ui/blocked_content/framebust_block_tab_helper.h"
#include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
#include "chrome/browser/ui/blocked_content/popup_tracker.h"
#include "chrome/browser/ui/bluetooth/bluetooth_chooser_controller.h"
#include "chrome/browser/ui/bluetooth/bluetooth_chooser_desktop.h"
#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
#include "chrome/browser/ui/bookmarks/bookmark_utils.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_instant_controller.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_toolbar_model_delegate.h"
#include "chrome/browser/ui/browser_ui_prefs.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/chrome_bubble_manager.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
#include "chrome/browser/ui/exclusive_access/mouse_lock_controller.h"
#include "chrome/browser/ui/extensions/hosted_app_browser_controller.h"
#include "chrome/browser/ui/fast_unload_controller.h"
#include "chrome/browser/ui/find_bar/find_bar.h"
#include "chrome/browser/ui/find_bar/find_bar_controller.h"
#include "chrome/browser/ui/find_bar/find_tab_helper.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/javascript_dialogs/javascript_dialog_tab_helper.h"
#include "chrome/browser/ui/location_bar/location_bar.h"
#include "chrome/browser/ui/permission_bubble/chooser_bubble_delegate.h"
#include "chrome/browser/ui/search/search_tab_helper.h"
#include "chrome/browser/ui/singleton_tabs.h"
#include "chrome/browser/ui/status_bubble.h"
#include "chrome/browser/ui/sync/browser_synced_window_delegate.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/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/unload_controller.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/vr/vr_tab_helper.h"
#include "chrome/browser/web_applications/components/web_app_helpers.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/custom_handlers/protocol_handler.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/profiling.h"
#include "chrome/common/ssl_insecure_content.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.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/bubble/bubble_controller.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/favicon/content/content_favicon_driver.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/prefs/pref_service.h"
#include "components/search/search.h"
#include "components/security_state/content/content_utils.h"
#include "components/security_state/core/security_state.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/toolbar/toolbar_model_impl.h"
#include "components/translate/core/browser/language_state.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "components/zoom/zoom_controller.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/interstitial_page.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/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/overscroll_configuration.h"
#include "content/public/browser/plugin_service.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/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/renderer_preferences.h"
#include "content/public/common/webplugininfo.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.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 "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/cookies/cookie_monster.h"
#include "net/url_request/url_request_context.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/window_open_disposition.h"
#include "ui/gfx/geometry/point.h"
#include "ui/shell_dialogs/selected_file_info.h"
#if defined(OS_MACOSX)
#include "content/public/browser/browser_plugin_guest_manager.h"
#include "extensions/browser/process_manager.h"
#endif
#if defined(OS_WIN)
#include <windows.h>
#include <shellapi.h>
#include "chrome/browser/ui/view_ids.h"
#include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h"
#include "ui/base/touch/touch_device.h"
#include "ui/base/win/shell.h"
#endif // OS_WIN
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/fileapi/external_file_url_util.h"
#include "chrome/browser/ui/settings_window_manager_chromeos.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "components/printing/browser/print_composite_client.h"
#endif
using base::TimeDelta;
using base::UserMetricsAction;
using content::NativeWebKeyboardEvent;
using content::NavigationController;
using content::NavigationEntry;
using content::OpenURLParams;
using content::PluginService;
using content::Referrer;
using content::RenderWidgetHostView;
using content::SiteInstance;
using content::WebContents;
using extensions::Extension;
using ui::WebDialogDelegate;
using web_modal::WebContentsModalDialogManager;
///////////////////////////////////////////////////////////////////////////////
namespace {
// How long we wait before updating the browser chrome while loading a page.
const int kUIUpdateCoalescingTimeMS = 200;
BrowserWindow* CreateBrowserWindow(std::unique_ptr<Browser> browser,
bool user_gesture) {
return BrowserWindow::CreateBrowserWindow(std::move(browser), user_gesture);
}
// Is the fast tab unload experiment enabled?
bool IsFastTabUnloadEnabled() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableFastUnload);
}
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
}
std::unique_ptr<extensions::HostedAppBrowserController>
MaybeCreateHostedAppController(Browser* browser) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
const std::string extension_id =
web_app::GetAppIdFromApplicationName(browser->app_name());
const Extension* extension =
extensions::ExtensionRegistry::Get(browser->profile())
->GetExtensionById(extension_id,
extensions::ExtensionRegistry::EVERYTHING);
if (extension && extension->is_hosted_app())
return std::make_unique<extensions::HostedAppBrowserController>(browser);
#endif
return nullptr;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Browser, CreateParams:
Browser::CreateParams::CreateParams(Profile* profile, bool user_gesture)
: CreateParams(TYPE_TABBED, 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;
// static
Browser::CreateParams Browser::CreateParams::CreateForApp(
const std::string& app_name,
bool trusted_source,
const gfx::Rect& window_bounds,
Profile* profile,
bool user_gesture) {
DCHECK(!app_name.empty());
CreateParams params(TYPE_POPUP, profile, user_gesture);
params.app_name = app_name;
params.trusted_source = trusted_source;
params.initial_bounds = window_bounds;
return params;
}
// static
Browser::CreateParams Browser::CreateParams::CreateForDevTools(
Profile* profile) {
CreateParams params(TYPE_POPUP, profile, true);
params.app_name = DevToolsWindow::kDevToolsApp;
params.trusted_source = true;
return params;
}
////////////////////////////////////////////////////////////////////////////////
// Browser, InterstitialObserver:
class Browser::InterstitialObserver : public content::WebContentsObserver {
public:
InterstitialObserver(Browser* browser, content::WebContents* web_contents)
: WebContentsObserver(web_contents),
browser_(browser) {
}
void DidAttachInterstitialPage() override {
browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
void DidDetachInterstitialPage() override {
browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
private:
Browser* browser_;
DISALLOW_COPY_AND_ASSIGN(InterstitialObserver);
};
///////////////////////////////////////////////////////////////////////////////
// Browser, Constructors, Creation, Showing:
Browser::Browser(const CreateParams& params)
: extension_registry_observer_(this),
type_(params.type),
profile_(params.profile),
window_(NULL),
tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)),
tab_strip_model_(
std::make_unique<TabStripModel>(tab_strip_model_delegate_.get(),
params.profile)),
app_name_(params.app_name),
is_trusted_source_(params.trusted_source),
session_id_(SessionID::NewUnique()),
cancel_download_confirmation_state_(NOT_PROMPTED),
override_bounds_(params.initial_bounds),
initial_show_state_(params.initial_show_state),
initial_workspace_(params.initial_workspace),
is_session_restore_(params.is_session_restore),
content_setting_bubble_model_delegate_(
new BrowserContentSettingBubbleModelDelegate(this)),
toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)),
live_tab_context_(new BrowserLiveTabContext(this)),
synced_window_delegate_(new BrowserSyncedWindowDelegate(this)),
hosted_app_controller_(MaybeCreateHostedAppController(this)),
bookmark_bar_state_(BookmarkBar::HIDDEN),
command_controller_(new chrome::BrowserCommandController(this)),
window_has_shown_(false),
chrome_updater_factory_(this),
weak_factory_(this) {
// If this causes a crash then a window is being opened using a profile type
// that is disallowed by policy. The crash prevents the disabled window type
// from opening at all, but the path that triggered it should be fixed.
CHECK(IncognitoModePrefs::CanOpenBrowser(profile_));
CHECK(!profile_->IsGuestSession() || profile_->IsOffTheRecord())
<< "Only off the record browser may be opened in guest mode";
CHECK(!profile_->IsSystemProfile())
<< "The system profile should never have a real browser.";
// TODO(jeremy): Move to initializer list once flag is removed.
if (IsFastTabUnloadEnabled())
fast_unload_controller_.reset(new FastUnloadController(this));
else
unload_controller_.reset(new UnloadController(this));
tab_strip_model_->AddObserver(this);
toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get(),
content::kMaxURLDisplayChars));
extension_registry_observer_.Add(
extensions::ExtensionRegistry::Get(profile_));
#if !defined(OS_ANDROID)
registrar_.Add(
this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
content::Source<ThemeService>(
ThemeServiceFactory::GetForProfile(profile_)));
#endif
registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED,
content::NotificationService::AllSources());
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));
if (search::IsInstantExtendedAPIEnabled() && is_type_tabbed())
instant_controller_.reset(new BrowserInstantController(this));
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT);
ProfileMetrics::LogProfileLaunch(profile_);
if (params.skip_window_init_for_testing)
return;
window_ = params.window ? params.window
: CreateBrowserWindow(std::unique_ptr<Browser>(this),
params.user_gesture);
if (hosted_app_controller_)
hosted_app_controller_->UpdateLocationBarVisibility(false);
// Create the extension window controller before sending notifications.
extension_window_controller_.reset(
new extensions::BrowserExtensionWindowController(this));
SessionService* session_service =
SessionServiceFactory::GetForProfileForSessionRestore(profile_);
if (session_service)
session_service->WindowOpened(this);
// TODO(beng): move to ChromeBrowserMain:
if (first_run::ShouldDoPersonalDataManagerFirstRun()) {
#if defined(OS_WIN)
// Notify PDM that this is a first run.
ImportAutofillDataWin(
autofill::PersonalDataManagerFactory::GetForProfile(profile_));
#endif // defined(OS_WIN)
}
exclusive_access_manager_.reset(
new ExclusiveAccessManager(window_->GetExclusiveAccessContext()));
BrowserList::AddBrowser(this);
}
Browser::~Browser() {
// Stop observing notifications before continuing with destruction. Profile
// destruction will unload extensions and reentrant calls to Browser:: should
// be avoided while it is being torn down.
registrar_.RemoveAll();
extension_registry_observer_.RemoveAll();
// The tab strip should not have any tabs at this point.
DCHECK(tab_strip_model_->empty());
tab_strip_model_->RemoveObserver(this);
bubble_manager_.reset();
// 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();
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) ==
DOWNLOAD_CLOSE_BROWSER_SHUTDOWN) {
DownloadCoreService::CancelAllDownloads();
}
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service)
session_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_.RemoveAll();
// Destroy BrowserExtensionWindowController before the incognito profile
// is destroyed to make sure the chrome.windows.onRemoved event is sent.
extension_window_controller_.reset();
// Destroy BrowserInstantController before the incongnito profile is destroyed
// because the InstantController destructor depends on this profile.
instant_controller_.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::IsIncognitoSessionActiveForProfile(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
//
// A profile created with Profile::CreateOffTheRecordProfile() should not be
// destroyed directly by Browser (e.g. for offscreen tabs,
// https://crbug.com/664351).
if (profile_->IsOffTheRecord() &&
profile_->GetOriginalProfile()->HasOffTheRecordProfile() &&
profile_->GetOriginalProfile()->GetOffTheRecordProfile() == profile_ &&
!BrowserList::IsIncognitoSessionActiveForProfile(profile_) &&
!profile_->GetOriginalProfile()->IsSystemProfile()) {
if (profile_->IsGuestSession()) {
// ChromeOS handles guest data independently.
#if !defined(OS_CHROMEOS)
// Clear all browsing data once a Guest Session completes. The Guest
// profile has BrowserContextKeyedServices that the Incognito profile
// doesn't, so the ProfileDestroyer can't delete it properly.
// TODO(mlerman): Delete the guest using an improved ProfileDestroyer.
profiles::RemoveBrowsingDataForProfile(profile_->GetPath());
#endif
} else {
#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 render frame hosts 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::DestroyProfileWhenAppropriate(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
ChromeBubbleManager* Browser::GetBubbleManager() {
if (!bubble_manager_)
bubble_manager_.reset(new ChromeBubbleManager(tab_strip_model_.get()));
return bubble_manager_.get();
}
FindBarController* Browser::GetFindBarController() {
if (!find_bar_controller_.get()) {
FindBar* find_bar = window_->CreateFindBar();
find_bar_controller_.reset(new FindBarController(find_bar, this));
find_bar->SetFindBarController(find_bar_controller_.get());
find_bar_controller_->ChangeWebContents(
tab_strip_model_->GetActiveWebContents());
find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect());
}
return find_bar_controller_.get();
}
bool Browser::HasFindBarController() const {
return find_bar_controller_.get() != NULL;
}
bool Browser::is_app() const {
return !app_name_.empty();
}
bool Browser::is_devtools() const {
return app_name_ == DevToolsWindow::kDevToolsApp;
}
///////////////////////////////////////////////////////////////////////////////
// Browser, State Storage and Retrieval for UI:
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();
}
base::string16 Browser::GetWindowTitleForCurrentTab(
bool include_app_name) const {
return GetWindowTitleFromWebContents(
include_app_name, tab_strip_model_->GetActiveWebContents());
}
base::string16 Browser::GetWindowTitleForTab(bool include_app_name,
int index) const {
return GetWindowTitleFromWebContents(
include_app_name, tab_strip_model_->GetWebContentsAt(index));
}
base::string16 Browser::GetWindowTitleFromWebContents(
bool include_app_name,
content::WebContents* contents) const {
base::string16 title;
// |contents| can be NULL because GetWindowTitleForCurrentTab is called by the
// window during the window's creation (before tabs have been added).
if (contents) {
title = hosted_app_controller_ ? hosted_app_controller_->GetTitle()
: contents->GetTitle();
FormatTitleForDisplay(&title);
}
// If there is no title, leave it empty for apps.
if (title.empty() && !is_app())
title = CoreTabHelper::GetDefaultTitle();
#if defined(OS_MACOSX)
// On Mac, we don't want to suffix the page title with the application name.
return title;
#endif
// 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_app() && include_app_name) {
return base::UTF8ToUTF16(hosted_app_controller_
? hosted_app_controller_->GetAppShortName()
: app_name());
}
// Include the app name in window titles for tabbed browser windows when
// requested with |include_app_name|.
return (!is_app() && include_app_name) ?
l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, title):
title;
}
// static
void Browser::FormatTitleForDisplay(base::string16* title) {
size_t current_index = 0;
size_t match_index;
while ((match_index = title->find(L'\n', current_index)) !=
base::string16::npos) {
title->replace(match_index, 1, base::string16());
current_index = match_index;
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, OnBeforeUnload handling:
bool Browser::ShouldCloseWindow() {
if (!CanCloseWithInProgressDownloads())
return false;
if (IsFastTabUnloadEnabled())
return fast_unload_controller_->ShouldCloseWindow();
return unload_controller_->ShouldCloseWindow();
}
bool Browser::TryToCloseWindow(
bool skip_beforeunload,
const base::Callback<void(bool)>& on_close_confirmed) {
cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
if (IsFastTabUnloadEnabled()) {
return fast_unload_controller_->TryToCloseWindow(skip_beforeunload,
on_close_confirmed);
}
return unload_controller_->TryToCloseWindow(skip_beforeunload,
on_close_confirmed);
}
void Browser::ResetTryToCloseWindow() {
cancel_download_confirmation_state_ = NOT_PROMPTED;
if (IsFastTabUnloadEnabled())
fast_unload_controller_->ResetTryToCloseWindow();
else
unload_controller_->ResetTryToCloseWindow();
}
bool Browser::HasCompletedUnloadProcessing() const {
DCHECK(IsFastTabUnloadEnabled());
return fast_unload_controller_->HasCompletedUnloadProcessing();
}
bool Browser::IsAttemptingToCloseBrowser() const {
if (IsFastTabUnloadEnabled())
return fast_unload_controller_->is_attempting_to_close_browser();
return unload_controller_->is_attempting_to_close_browser();
}
bool Browser::ShouldRunUnloadListenerBeforeClosing(
content::WebContents* web_contents) {
if (IsFastTabUnloadEnabled())
return fast_unload_controller_->ShouldRunUnloadEventsHelper(web_contents);
return unload_controller_->ShouldRunUnloadEventsHelper(web_contents);
}
bool Browser::RunUnloadListenerBeforeClosing(
content::WebContents* web_contents) {
if (IsFastTabUnloadEnabled())
return fast_unload_controller_->RunUnloadEventsHelper(web_contents);
return unload_controller_->RunUnloadEventsHelper(web_contents);
}
void Browser::OnWindowClosing() {
if (!ShouldCloseWindow())
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::WINDOW_CLOSE);
// Don't use GetForProfileIfExisting here, we want to force creation of the
// session service so that user can restore what was open.
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile());
if (session_service)
session_service->WindowClosing(session_id());
sessions::TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
#if defined(USE_AURA)
if (tab_restore_service && is_app() && !is_devtools())
tab_restore_service->BrowserClosing(live_tab_context());
#endif
if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count())
tab_restore_service->BrowserClosing(live_tab_context());
BrowserList::NotifyBrowserCloseStarted(this);
if (!IsFastTabUnloadEnabled())
tab_strip_model_->CloseAllTabs();
}
////////////////////////////////////////////////////////////////////////////////
// In-progress download termination handling:
void Browser::InProgressDownloadResponse(bool cancel_downloads) {
if (cancel_downloads) {
cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
chrome::CloseWindow(this);
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);
// Reset UnloadController::is_attempting_to_close_browser_ so that we don't
// prompt every time any tab is closed. http://crbug.com/305516
if (IsFastTabUnloadEnabled())
fast_unload_controller_->CancelWindowClose();
else
unload_controller_->CancelWindowClose();
}
Browser::DownloadClosePreventionType 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 DOWNLOAD_CLOSE_OK;
int total_download_count =
DownloadCoreService::NonMaliciousDownloadCountAllProfiles();
if (total_download_count == 0)
return DOWNLOAD_CLOSE_OK; // 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.
int profile_window_count = 0;
int total_window_count = 0;
for (auto* 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 (browser == this || browser->IsAttemptingToCloseBrowser())
continue;
if (browser->profile() == profile())
profile_window_count++;
total_window_count++;
}
// If there aren't any other windows, we're at browser shutdown,
// which would cancel all current downloads.
if (total_window_count == 0) {
*num_downloads_blocking = total_download_count;
return DOWNLOAD_CLOSE_BROWSER_SHUTDOWN;
}
// If there aren't any other windows on our profile, and we're an incognito
// 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 ((profile_window_count == 0) &&
(download_core_service->NonMaliciousDownloadCount() > 0) &&
profile()->IsOffTheRecord()) {
*num_downloads_blocking =
download_core_service->NonMaliciousDownloadCount();
return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE;
}
// Those are the only conditions under which we will block shutdown.
return DOWNLOAD_CLOSE_OK;
}
////////////////////////////////////////////////////////////////////////////////
// Browser, Tab adding/showing functions:
void Browser::WindowFullscreenStateWillChange() {
exclusive_access_manager_->fullscreen_controller()
->WindowFullscreenStateWillChange();
}
void Browser::WindowFullscreenStateChanged() {
exclusive_access_manager_->fullscreen_controller()
->WindowFullscreenStateChanged();
command_controller_->FullscreenStateChanged();
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN);
}
void Browser::FullscreenTopUIStateChanged() {
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOOLBAR_OPTION_CHANGE);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Assorted browser commands:
void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) {
exclusive_access_manager_->fullscreen_controller()
->ToggleBrowserFullscreenModeWithExtension(extension_url);
}
bool Browser::SupportsWindowFeature(WindowFeature feature) const {
return SupportsWindowFeatureImpl(feature, true);
}
bool Browser::CanSupportWindowFeature(WindowFeature feature) const {
return SupportsWindowFeatureImpl(feature, false);
}
void Browser::OpenFile() {
base::RecordAction(UserMetricsAction("OpenFile"));
select_file_dialog_ = ui::SelectFileDialog::Create(
this, std::make_unique<ChromeSelectFilePolicy>(
tab_strip_model_->GetActiveWebContents()));
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;
select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_OPEN_FILE,
base::string16(),
directory,
&file_types,
0,
base::FilePath::StringType(),
parent_window,
NULL);
}
void Browser::UpdateDownloadShelfVisibility(bool visible) {
if (GetStatusBubble())
GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
}
///////////////////////////////////////////////////////////////////////////////
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();
}
if (GetStatusBubble())
GetStatusBubble()->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);
if (contents_is_selected &&
(window()->IsActive() || action == NavigateParams::SHOW_WINDOW)) {
contents->SetInitialFocus();
}
}
void Browser::RegisterKeepAlive() {
keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::BROWSER,
KeepAliveRestartOption::DISABLED));
}
void Browser::UnregisterKeepAlive() {
keep_alive_.reset();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, PageNavigator implementation:
WebContents* Browser::OpenURL(const OpenURLParams& params) {
return OpenURLFromTab(NULL, params);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, TabStripModelObserver implementation:
void Browser::TabInsertedAt(TabStripModel* tab_strip_model,
WebContents* contents,
int index,
bool foreground) {
SetAsDelegate(contents, true);
SessionTabHelper::FromWebContents(contents)->SetWindowID(session_id());
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_PARENTED,
content::Source<content::WebContents>(contents),
content::NotificationService::NoDetails());
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);
interstitial_observers_.push_back(new InterstitialObserver(this, contents));
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service) {
session_service->TabInserted(contents);
int new_active_index = tab_strip_model_->active_index();
if (index < new_active_index)
session_service->SetSelectedTabInWindow(session_id(),
new_active_index);
}
}
void Browser::TabClosingAt(TabStripModel* tab_strip_model,
WebContents* contents,
int index) {
// 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 visiblity changes can be ignored.
page_load_metrics::MetricsWebContentsObserver* metrics_observer =
page_load_metrics::MetricsWebContentsObserver::FromWebContents(contents);
metrics_observer->WebContentsWillSoonBeDestroyed();
exclusive_access_manager_->OnTabClosing(contents);
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service)
session_service->TabClosing(contents);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_CLOSING,
content::Source<NavigationController>(&contents->GetController()),
content::NotificationService::NoDetails());
}
void Browser::TabDetachedAt(WebContents* contents, int index, bool was_active) {
if (!tab_strip_model_->closing_all()) {
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile_);
if (session_service) {
session_service->SetSelectedTabInWindow(session_id(),
tab_strip_model_->active_index());
}
}
TabDetachedAtImpl(contents, was_active, DETACH_TYPE_DETACH);
}
void Browser::TabDeactivated(WebContents* contents) {
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::ActiveTabChanged(WebContents* old_contents,
WebContents* new_contents,
int index,
int reason) {
// 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 !defined(OS_MACOSX)
// 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 GetMainFrame() is guaranteed to return non-null, GetView() is not,
// e.g. between WebContents creation and creation of the
// RenderWidgetHostView.
RenderWidgetHostView* old_view = old_contents->GetMainFrame()->GetView();
RenderWidgetHostView* new_view = new_contents->GetMainFrame()->GetView();
if (old_view && new_view && old_view->GetBackgroundColor())
new_view->SetBackgroundColor(*old_view->GetBackgroundColor());
}
#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);
// 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);
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.
StatusBubble* status_bubble = GetStatusBubble();
if (status_bubble) {
status_bubble->Hide();
// Show the loading state (if any).
status_bubble->SetStatus(CoreTabHelper::FromWebContents(
tab_strip_model_->GetActiveWebContents())->GetStatusText());
}
if (HasFindBarController()) {
find_bar_controller_->ChangeWebContents(new_contents);
find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect());
}
// 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.
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile_);
if (session_service && !tab_strip_model_->closing_all()) {
session_service->SetSelectedTabInWindow(session_id(),
tab_strip_model_->active_index());
SessionTabHelper* session_tab_helper =
SessionTabHelper::FromWebContents(new_contents);
session_service->SetLastActiveTime(session_id(),
session_tab_helper->session_id(),
base::TimeTicks::Now());
}
SearchTabHelper::FromWebContents(new_contents)->OnTabActivated();
}
void Browser::TabMoved(WebContents* contents,
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::TabReplacedAt(TabStripModel* tab_strip_model,
WebContents* old_contents,
WebContents* new_contents,
int index) {
bool was_active = index == tab_strip_model_->active_index();
TabDetachedAtImpl(old_contents, was_active, DETACH_TYPE_REPLACE);
exclusive_access_manager_->OnTabClosing(old_contents);
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service)
session_service->TabClosing(old_contents);
TabInsertedAt(tab_strip_model, new_contents, index, was_active);
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::TabPinnedStateChanged(TabStripModel* tab_strip_model,
WebContents* contents,
int index) {
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile());
if (session_service) {
SessionTabHelper* session_tab_helper =
SessionTabHelper::FromWebContents(contents);
session_service->SetPinnedState(session_id(),
session_tab_helper->session_id(),
tab_strip_model_->IsTabPinned(index));
}
}
void Browser::TabStripEmpty() {
// Close the frame after we return to the message loop (not immediately,
// otherwise it will destroy this object before the stack has a chance to
// cleanly unwind.)
// Note: This will be called several times if TabStripEmpty is called several
// times. This is because it does not close the window if tabs are
// still present.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&Browser::CloseFrame, weak_factory_.GetWeakPtr()));
// Instant may have visible WebContents that need to be detached before the
// window system closes.
instant_controller_.reset();
}
void Browser::SetTopControlsShownRatio(content::WebContents* web_contents,
float ratio) {
window_->SetTopControlsShownRatio(web_contents, ratio);
}
int Browser::GetTopControlsHeight() const {
return window_->GetTopControlsHeight();
}
void Browser::SetTopControlsGestureScrollInProgress(bool in_progress) {
window_->SetTopControlsGestureScrollInProgress(in_progress);
}
bool Browser::CanOverscrollContent() const {
#if defined(OS_WIN)
// Don't enable overscroll on Windows machines unless they have a touch
// screen as these machines typically don't have a touchpad capable of
// horizontal scrolling. We are purposefully biased towards "no" here,
// so that we don't waste resources capturing screenshots for horizontal
// overscroll navigation unnecessarily.
bool allow_overscroll = ui::GetTouchScreensAvailability() ==
ui::TouchScreensAvailability::ENABLED;
#elif defined(USE_AURA)
bool allow_overscroll = true;
#else
bool allow_overscroll = false;
#endif
if (!allow_overscroll)
return false;
if (is_app() || is_devtools() || !is_type_tabbed())
return false;
return content::OverscrollConfig::GetHistoryNavigationMode() !=
content::OverscrollConfig::HistoryNavigationMode::kDisabled;
}
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::IsNTPURL(committed_url, profile);
}
void Browser::SetFocusToLocationBar(bool select_all) {
// Two differences between this and FocusLocationBar():
// (1) This doesn't get recorded in user metrics, since it's called
// internally.
// (2) This checks whether the location bar can be focused, and if not, clears
// the focus. FocusLocationBar() is only reached when the location bar is
// focusable, but this may be reached at other times, e.g. while in
// fullscreen mode, where we need to leave focus in a consistent state.
window_->SetFocusToLocationBar(select_all);
}
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 (exclusive_access_manager_->HandleUserKeyEvent(event))
return content::KeyboardEventProcessingResult::HANDLED;
return window()->PreHandleKeyboardEvent(event);
}
void Browser::HandleKeyboardEvent(content::WebContents* source,
const NativeWebKeyboardEvent& event) {
DevToolsWindow* devtools_window =
DevToolsWindow::GetInstanceForInspectedWebContents(source);
bool handled = false;
if (devtools_window)
handled = devtools_window->ForwardKeyboardEvent(event);
if (!handled)
window()->HandleKeyboardEvent(event);
}
bool Browser::TabsNeedBeforeUnloadFired() {
if (IsFastTabUnloadEnabled())
return fast_unload_controller_->TabsNeedBeforeUnloadFired();
return unload_controller_->TabsNeedBeforeUnloadFired();
}
bool Browser::PreHandleGestureEvent(content::WebContents* source,
const blink::WebGestureEvent& event) {
#if defined(OS_MACOSX)
// Disable "smart zoom" (double-tap with two fingers on Mac trackpad)
// for the PDF viewer, otherwise the viewer's controls will be scaled off
// screen.
// TODO(mcnee): Investigate having the PDF viewer handle the gesture
// once it is a service. crbug.com/757541
if (event.GetType() == blink::WebInputEvent::kGestureDoubleTap) {
content::BrowserPluginGuestManager* guest_manager =
source->GetBrowserContext()->GetGuestManager();
if (guest_manager) {
const content::WebContents* guest_contents =
guest_manager->GetFullPageGuest(source);
if (guest_contents) {
const extensions::Extension* extension =
extensions::ProcessManager::Get(guest_contents->GetBrowserContext())
->GetExtensionForWebContents(guest_contents);
if (extension && extension->id() == extension_misc::kPdfExtensionId)
return true;
}
}
}
#endif // defined(OS_MACOSX)
// 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::WebDragOperationsMask operations_allowed) {
#if defined(OS_CHROMEOS)
// Disallow drag-and-drop navigation for Settings windows which do not support
// external navigation.
if ((operations_allowed & blink::kWebDragOperationLink) &&
chrome::SettingsWindowManager::GetInstance()->IsSettingsBrowser(this)) {
return false;
}
#endif
return true;
}
blink::WebSecurityStyle Browser::GetSecurityStyle(
WebContents* web_contents,
content::SecurityStyleExplanations* security_style_explanations) {
SecurityStateTabHelper* helper =
SecurityStateTabHelper::FromWebContents(web_contents);
DCHECK(helper);
security_state::SecurityInfo security_info;
helper->GetSecurityInfo(&security_info);
return security_state::GetSecurityStyle(security_info,
security_style_explanations);
}
std::unique_ptr<content::BluetoothChooser> Browser::RunBluetoothChooser(
content::RenderFrameHost* frame,
const content::BluetoothChooser::EventHandler& event_handler) {
std::unique_ptr<BluetoothChooserController> bluetooth_chooser_controller(
new BluetoothChooserController(frame, event_handler));
std::unique_ptr<BluetoothChooserDesktop> bluetooth_chooser_desktop(
new BluetoothChooserDesktop(bluetooth_chooser_controller.get()));
std::unique_ptr<ChooserBubbleDelegate> chooser_bubble_delegate(
new ChooserBubbleDelegate(frame,
std::move(bluetooth_chooser_controller)));
Browser* browser = chrome::FindBrowserWithWebContents(
WebContents::FromRenderFrameHost(frame));
BubbleReference bubble_reference = browser->GetBubbleManager()->ShowBubble(
std::move(chooser_bubble_delegate));
bluetooth_chooser_desktop->set_bubble(std::move(bubble_reference));
return std::move(bluetooth_chooser_desktop);
}
void Browser::RequestAppBannerFromDevTools(content::WebContents* web_contents) {
banners::AppBannerManagerDesktop::CreateForWebContents(web_contents);
banners::AppBannerManagerDesktop* manager =
banners::AppBannerManagerDesktop::FromWebContents(web_contents);
manager->RequestAppBanner(web_contents->GetLastCommittedURL(), true);
}
void Browser::PassiveInsecureContentFound(const GURL& resource_url) {
// Note: this implementation is a mirror of
// ContentSettingsObserver::passiveInsecureContentFound
ReportInsecureContent(SslInsecureContentType::DISPLAY);
FilteredReportInsecureContentDisplayed(resource_url);
}
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.
FilteredReportInsecureContentRan(resource_url);
MixedContentSettingsTabHelper* mixed_content_settings =
MixedContentSettingsTabHelper::FromWebContents(web_contents);
DCHECK(mixed_content_settings);
if (allowed_per_prefs ||
mixed_content_settings->is_running_insecure_content_allowed()) {
return true;
}
// Note: this is a browser-side-translation of the call to DidBlockContentType
// from inside ContentSettingsObserver::allowRunningInsecureContent.
if (!origin.host().empty()) {
TabSpecificContentSettings* tab_settings =
TabSpecificContentSettings::FromWebContents(web_contents);
DCHECK(tab_settings);
tab_settings->OnContentBlockedWithDetail(CONTENT_SETTINGS_TYPE_MIXEDSCRIPT,
base::UTF8ToUTF16(origin.host()));
}
return false;
}
void Browser::OnDidBlockFramebust(content::WebContents* web_contents,
const GURL& url) {
TabSpecificContentSettings* content_settings =
TabSpecificContentSettings::FromWebContents(web_contents);
DCHECK(content_settings);
// TODO(csharrison): Add a click callback here to collect framebusting
// click-through metrics.
content_settings->OnFramebustBlocked(
url, FramebustBlockTabHelper::ClickCallback());
}
gfx::Size Browser::EnterPictureInPicture(const viz::SurfaceId& surface_id,
const gfx::Size& natural_size) {
return PictureInPictureWindowManager::GetInstance()->EnterPictureInPicture(
tab_strip_model_->GetActiveWebContents(), surface_id, natural_size);
}
void Browser::ExitPictureInPicture() {
PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture();
}
bool Browser::IsMouseLocked() const {
return exclusive_access_manager_->mouse_lock_controller()->IsMouseLocked();
}
void Browser::OnWindowDidShow() {
if (window_has_shown_)
return;
window_has_shown_ = true;
startup_metric_utils::RecordBrowserWindowDisplay(base::TimeTicks::Now());
// Nothing to do for non-tabbed windows.
if (!is_type_tabbed())
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) {
if (is_devtools()) {
DevToolsWindow* window = DevToolsWindow::AsDevToolsWindow(source);
DCHECK(window);
return window->OpenURLFromTab(source, params);
}
NavigateParams nav_params(this, params.url, params.transition);
nav_params.FillNavigateParamsFromOpenURLParams(params);
nav_params.source_contents = source;
nav_params.tabstrip_add_types = TabStripModel::ADD_NONE;
if (params.user_gesture)
nav_params.window_action = NavigateParams::SHOW_WINDOW;
nav_params.user_gesture = params.user_gesture;
nav_params.blob_url_loader_factory = params.blob_url_loader_factory;
bool is_popup = source && PopupBlockerTabHelper::ConsiderForPopupBlocking(
params.disposition);
if (is_popup && PopupBlockerTabHelper::MaybeBlockPopup(
source, base::Optional<GURL>(), &nav_params, &params,
blink::mojom::WindowFeatures())) {
return nullptr;
}
Navigate(&nav_params);
if (is_popup && nav_params.navigated_or_inserted_contents)
PopupTracker::CreateForWebContents(
nav_params.navigated_or_inserted_contents, source);
return nav_params.navigated_or_inserted_contents;
}
void Browser::NavigationStateChanged(WebContents* source,
content::InvalidateTypes changed_flags) {
// 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 (hosted_app_controller_)
hosted_app_controller_->UpdateLocationBarVisibility(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) {
UpdateToolbar(false);
if (hosted_app_controller_)
hosted_app_controller_->UpdateLocationBarVisibility(true);
}
}
void Browser::AddNewContents(WebContents* source,
std::unique_ptr<WebContents> new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) {
#if defined(OS_MACOSX)
// On the Mac, the convention is to turn popups into new tabs when in
// fullscreen mode. Only worry about user-initiated fullscreen as showing a
// popup in HTML5 fullscreen would have kicked the page out of fullscreen.
if (disposition == WindowOpenDisposition::NEW_POPUP &&
exclusive_access_manager_->fullscreen_controller()
->IsFullscreenForBrowser()) {
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 && PopupBlockerTabHelper::ConsiderForPopupBlocking(disposition))
PopupTracker::CreateForWebContents(new_contents.get(), source);
chrome::AddWebContents(this, source, std::move(new_contents), disposition,
initial_rect);
}
void Browser::ActivateContents(WebContents* contents) {
tab_strip_model_->ActivateTabAt(
tab_strip_model_->GetIndexOfWebContents(contents), false);
window_->Activate();
}
void Browser::LoadingStateChanged(WebContents* source,
bool to_different_document) {
ScheduleUIUpdate(source, content::INVALIDATE_TYPE_LOAD);
UpdateWindowForLoadingStateChanged(source, to_different_document);
}
void Browser::CloseContents(WebContents* source) {
bool can_close_contents;
if (IsFastTabUnloadEnabled())
can_close_contents = fast_unload_controller_->CanCloseContents(source);
else
can_close_contents = unload_controller_->CanCloseContents(source);
if (can_close_contents)
chrome::CloseWebContents(this, source, true);
}
void Browser::SetContentsBounds(WebContents* source, const gfx::Rect& bounds) {
if (!is_type_popup())
return;
window_->SetBounds(bounds);
}
void Browser::UpdateTargetURL(WebContents* source, const GURL& url) {
if (!GetStatusBubble())
return;
if (source == tab_strip_model_->GetActiveWebContents())
GetStatusBubble()->SetURL(url);
}
void Browser::ContentsMouseEvent(WebContents* source,
bool motion,
bool exited) {
exclusive_access_manager_->OnUserInput();
// Mouse motion events update the status bubble, if it exists.
if (!GetStatusBubble() || (!motion && !exited))
return;
if (source == tab_strip_model_->GetActiveWebContents()) {
GetStatusBubble()->MouseMoved(exited);
if (exited)
GetStatusBubble()->SetURL(GURL());
}
}
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) {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_FOCUS_RETURNED_TO_BROWSER,
content::Source<Browser>(this),
content::NotificationService::NoDetails());
return false;
}
void Browser::BeforeUnloadFired(WebContents* web_contents,
bool proceed,
bool* proceed_to_fire_unload) {
if (is_devtools() && DevToolsWindow::HandleBeforeUnload(web_contents,
proceed, proceed_to_fire_unload))
return;
if (IsFastTabUnloadEnabled()) {
*proceed_to_fire_unload =
fast_unload_controller_->BeforeUnloadFiredForContents(web_contents,
proceed);
} else {
*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.
const 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 ((url.SchemeIs(content::kChromeUIScheme) &&
url.host_piece() == chrome::kChromeUINewTabHost) ||
(virtual_url.SchemeIs(content::kChromeUIScheme) &&
virtual_url.host_piece() == chrome::kChromeUINewTabHost)) {
return true;
}
}
return search::NavEntryIsInstantNTP(source, entry);
}
void Browser::ShowRepostFormWarningDialog(WebContents* source) {
TabModalConfirmDialog::Create(new RepostFormWarningController(source),
source);
}
bool Browser::ShouldCreateWebContents(
content::WebContents* web_contents,
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
int32_t route_id,
int32_t main_frame_route_id,
int32_t main_frame_widget_route_id,
content::mojom::WindowContainerType window_container_type,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) {
if (window_container_type ==
content::mojom::WindowContainerType::BACKGROUND) {
// If a BackgroundContents is created, suppress the normal WebContents.
return !MaybeCreateBackgroundContents(
source_site_instance, opener, opener_url, route_id, main_frame_route_id,
main_frame_widget_route_id, frame_name, target_url, partition_id,
session_storage_namespace);
}
return true;
}
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) {
// Adopt the WebContents now, so all observers are in place, as the network
// requests for its initial navigation will start immediately. The WebContents
// will later be inserted into this browser using Browser::Navigate via
// AddNewContents.
TabHelpers::AttachTabHelpers(new_contents);
// Make the tab show up in the task manager.
task_manager::WebContentsTags::CreateForTabContents(new_contents);
}
void Browser::PortalWebContentsCreated(WebContents* portal_web_contents) {
TabHelpers::AttachTabHelpers(portal_web_contents);
}
void Browser::RendererUnresponsive(
WebContents* source,
content::RenderWidgetHost* render_widget_host,
base::RepeatingClosure hang_monitor_restarter) {
// Ignore hangs if a tab is blocked.
int index = tab_strip_model_->GetIndexOfWebContents(source);
DCHECK_NE(TabStripModel::kNoTab, index);
if (tab_strip_model_->IsTabBlocked(index))
return;
TabDialogs::FromWebContents(source)->ShowHungRendererDialog(
render_widget_host, std::move(hang_monitor_restarter));
}
void Browser::RendererResponsive(
WebContents* source,
content::RenderWidgetHost* render_widget_host) {
TabDialogs::FromWebContents(source)->HideHungRendererDialog(
render_widget_host);
}
void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) {
if (web_contents == tab_strip_model_->GetActiveWebContents())
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager(
WebContents* source) {
return JavaScriptDialogTabHelper::FromWebContents(source);
}
content::ColorChooser* Browser::OpenColorChooser(
WebContents* web_contents,
SkColor initial_color,
const std::vector<blink::mojom::ColorSuggestionPtr>& suggestions) {
return chrome::ShowColorChooser(web_contents, initial_color);
}
void Browser::RunFileChooser(content::RenderFrameHost* render_frame_host,
const blink::mojom::FileChooserParams& params) {
FileSelectHelper::RunFileChooser(render_frame_host, params);
}
void Browser::EnumerateDirectory(WebContents* web_contents,
int request_id,
const base::FilePath& path) {
FileSelectHelper::EnumerateDirectory(web_contents, request_id, path);
}
bool Browser::EmbedsFullscreenWidget() const {
return true;
}
void Browser::EnterFullscreenModeForTab(
WebContents* web_contents,
const GURL& origin,
const blink::WebFullscreenOptions& options) {
exclusive_access_manager_->fullscreen_controller()->EnterFullscreenModeForTab(
web_contents, origin);
}
void Browser::ExitFullscreenModeForTab(WebContents* web_contents) {
exclusive_access_manager_->fullscreen_controller()->ExitFullscreenModeForTab(
web_contents);
}
bool Browser::IsFullscreenForTabOrPending(
const WebContents* web_contents) const {
return exclusive_access_manager_->fullscreen_controller()
->IsFullscreenForTabOrPending(web_contents);
}
blink::WebDisplayMode Browser::GetDisplayMode(
const WebContents* web_contents) const {
if (window_->IsFullscreen())
return blink::kWebDisplayModeFullscreen;
if (is_type_popup())
return blink::kWebDisplayModeStandalone;
return blink::kWebDisplayModeBrowser;
}
void Browser::RegisterProtocolHandler(WebContents* web_contents,
const std::string& protocol,
const GURL& url,
bool user_gesture) {
content::BrowserContext* context = web_contents->GetBrowserContext();
if (context->IsOffTheRecord())
return;
// Permission request UI cannot currently be rendered binocularly in VR mode,
// so we suppress the UI. crbug.com/736568
if (vr::VrTabHelper::IsInVr(web_contents))
return;
ProtocolHandler handler =
ProtocolHandler::CreateProtocolHandler(protocol, url);
ProtocolHandlerRegistry* registry =
ProtocolHandlerRegistryFactory::GetForBrowserContext(context);
if (registry->SilentlyHandleRegisterHandlerRequest(handler))
return;
TabSpecificContentSettings* tab_content_settings =
TabSpecificContentSettings::FromWebContents(web_contents);
if (!user_gesture && window_) {
tab_content_settings->set_pending_protocol_handler(handler);
tab_content_settings->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_) {
tab_content_settings->ClearPendingProtocolHandler();
window_->GetLocationBar()->UpdateContentSettingsIcons();
}
PermissionRequestManager* permission_request_manager =
PermissionRequestManager::FromWebContents(web_contents);
if (permission_request_manager) {
permission_request_manager->AddRequest(
new RegisterProtocolHandlerPermissionRequest(registry, handler,
url, user_gesture));
}
}
void Browser::UnregisterProtocolHandler(WebContents* web_contents,
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 = web_contents->GetBrowserContext();
if (context->IsOffTheRecord())
return;
ProtocolHandler handler =
ProtocolHandler::CreateProtocolHandler(protocol, url);
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) {
FindTabHelper* find_tab_helper = 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::RequestToLockMouse(WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target) {
exclusive_access_manager_->mouse_lock_controller()->RequestToLockMouse(
web_contents, user_gesture, last_unlocked_by_target);
}
void Browser::LostMouseLock() {
exclusive_access_manager_->mouse_lock_controller()->LostMouseLock();
}
void Browser::RequestKeyboardLock(WebContents* web_contents,
bool esc_key_locked) {
exclusive_access_manager_->keyboard_lock_controller()->RequestKeyboardLock(
web_contents, esc_key_locked);
}
void Browser::CancelKeyboardLockRequest(WebContents* web_contents) {
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);
}
bool Browser::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const GURL& security_origin,
content::MediaStreamType type) {
Profile* profile = Profile::FromBrowserContext(
content::WebContents::FromRenderFrameHost(render_frame_host)
->GetBrowserContext());
const extensions::Extension* extension =
GetExtensionForOrigin(profile, security_origin);
return MediaCaptureDevicesDispatcher::GetInstance()
->CheckMediaAccessPermission(render_frame_host, security_origin, type,
extension);
}
std::string Browser::GetDefaultMediaDeviceID(content::WebContents* web_contents,
content::MediaStreamType type) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
return MediaCaptureDevicesDispatcher::GetInstance()
->GetDefaultDeviceIDForProfile(profile, type);
}
bool Browser::RequestPpapiBrokerPermission(
WebContents* web_contents,
const GURL& url,
const base::FilePath& plugin_path,
const base::Callback<void(bool)>& callback) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
// TODO(wad): Add ephemeral device ID support for broker in guest mode.
if (profile->IsGuestSession()) {
callback.Run(false);
return true;
}
TabSpecificContentSettings* tab_content_settings =
TabSpecificContentSettings::FromWebContents(web_contents);
HostContentSettingsMap* content_settings =
HostContentSettingsMapFactory::GetForProfile(profile);
ContentSetting setting = content_settings->GetContentSetting(
url, url, CONTENT_SETTINGS_TYPE_PPAPI_BROKER, std::string());
if (setting == CONTENT_SETTING_ASK) {
base::RecordAction(base::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
content::PluginService* plugin_service =
content::PluginService::GetInstance();
content::WebPluginInfo plugin;
bool success = plugin_service->GetPluginInfoByPath(plugin_path, &plugin);
DCHECK(success);
std::unique_ptr<PluginMetadata> plugin_metadata(
PluginFinder::GetInstance()->GetPluginMetadata(plugin));
PepperBrokerInfoBarDelegate::Create(
InfoBarService::FromWebContents(web_contents), url,
plugin_metadata->name(), content_settings, tab_content_settings,
callback);
return true;
}
bool allowed = (setting == CONTENT_SETTING_ALLOW);
base::RecordAction(allowed
? base::UserMetricsAction("PPAPI.BrokerSettingAllow")
: base::UserMetricsAction("PPAPI.BrokerSettingDeny"));
tab_content_settings->SetPepperBrokerAllowed(allowed);
callback.Run(allowed);
return true;
}
gfx::Size Browser::GetSizeForNewRenderView(WebContents* web_contents) const {
// When navigating away from NTP with unpinned bookmark bar, the bookmark bar
// would disappear on non-NTP pages, resulting in a bigger size for the new
// render view.
gfx::Size size = web_contents->GetContainerBounds().size();
// Don't change render view size if bookmark bar is currently not detached,
// or there's no pending entry, or navigating to a NTP page.
if (size.IsEmpty() || bookmark_bar_state_ != BookmarkBar::DETACHED)
return size;
const NavigationEntry* pending_entry =
web_contents->GetController().GetPendingEntry();
if (pending_entry &&
!search::IsNTPURL(pending_entry->GetVirtualURL(), profile_)) {
size.Enlarge(
0, window()->GetRenderViewHeightInsetWithDetachedBookmarkBar());
}
return size;
}
#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
///////////////////////////////////////////////////////////////////////////////
// Browser, CoreTabHelperDelegate implementation:
std::unique_ptr<content::WebContents> Browser::SwapTabContents(
content::WebContents* old_contents,
std::unique_ptr<content::WebContents> new_contents,
bool did_start_load,
bool did_finish_load) {
// Copies the background color and contents of the old WebContents to a new
// one that replaces it on the screen. This allows the new WebContents to
// have something to show before having loaded any contents. As a result, we
// avoid flashing white when navigating from a site whith a dark background to
// another site with a dark background.
if (old_contents && new_contents) {
RenderWidgetHostView* old_view = old_contents->GetMainFrame()->GetView();
RenderWidgetHostView* new_view = new_contents->GetMainFrame()->GetView();
if (old_view && new_view)
new_view->TakeFallbackContentFrom(old_view);
}
// TODO(crbug.com/836409): TabLoadTracker should not rely on being notified
// directly about tab contents swaps.
resource_coordinator::TabLoadTracker::Get()->SwapTabContents(
old_contents, new_contents.get());
int index = tab_strip_model_->GetIndexOfWebContents(old_contents);
DCHECK_NE(TabStripModel::kNoTab, index);
return tab_strip_model_->ReplaceWebContentsAt(index, std::move(new_contents));
}
bool Browser::CanReloadContents(content::WebContents* web_contents) const {
return chrome::CanReload(this);
}
bool Browser::CanSaveContents(content::WebContents* web_contents) const {
return chrome::CanSavePage(this);
}
///////////////////////////////////////////////////////////////////////////////
// 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.
return;
}
// For security, if the WebContents is in fullscreen, have it drop fullscreen.
// This gives the user the context they need in order to make informed
// decisions.
if (web_contents->IsFullscreenForCurrentTab())
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();
}
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::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 base::FilePath& path, int index,
void* params) {
FileSelectedWithExtraInfo(ui::SelectedFileInfo(path, path), index, params);
}
void Browser::FileSelectedWithExtraInfo(const ui::SelectedFileInfo& file_info,
int index,
void* params) {
profile_->set_last_selected_directory(file_info.file_path.DirName());
GURL url = net::FilePathToFileURL(file_info.local_path);
#if defined(OS_CHROMEOS)
const GURL external_url =
chromeos::CreateExternalFileURLFromPath(profile_, file_info.file_path);
if (!external_url.is_empty())
url = external_url;
#endif
if (url.is_empty())
return;
OpenURL(OpenURLParams(url, Referrer(), WindowOpenDisposition::CURRENT_TAB,
ui::PAGE_TRANSITION_TYPED, false));
}
///////////////////////////////////////////////////////////////////////////////
// Browser, content::NotificationObserver implementation:
void Browser::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
#if !defined(OS_ANDROID)
case chrome::NOTIFICATION_BROWSER_THEME_CHANGED:
window()->UserChangedTheme();
break;
#endif
case chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED: {
WebContents* web_contents = content::Source<WebContents>(source).ptr();
if (web_contents == tab_strip_model_->GetActiveWebContents()) {
LocationBar* location_bar = window()->GetLocationBar();
if (location_bar)
location_bar->UpdateContentSettingsIcons();
}
break;
}
default:
NOTREACHED() << "Got a notification we didn't register for.";
}
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
///////////////////////////////////////////////////////////////////////////////
// Browser, extensions::ExtensionRegistryObserver implementation:
void Browser::OnExtensionLoaded(content::BrowserContext* browser_context,
const extensions::Extension* extension) {
command_controller_->ExtensionStateChanged();
}
void Browser::OnExtensionUnloaded(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) {
command_controller_->ExtensionStateChanged();
// Close any tabs from the unloaded extension, unless it's terminated,
// in which case let the sad tabs remain.
// Also, if tab is muted and the cause is the unloaded extension, unmute it.
if (reason != extensions::UnloadedExtensionReason::TERMINATE) {
// Iterate backwards as we may remove items while iterating.
for (int i = tab_strip_model_->count() - 1; i >= 0; --i) {
WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i);
// Two cases are handled here:
// - The scheme check is for when an extension page is loaded in a
// tab, e.g. chrome-extension://id/page.html.
// - The extension_app check is for apps, which can have non-extension
// schemes, e.g. https://mail.google.com if you have the Gmail app
// installed.
if ((web_contents->GetURL().SchemeIs(extensions::kExtensionScheme) &&
web_contents->GetURL().host_piece() == extension->id()) ||
(extensions::TabHelper::FromWebContents(web_contents)->GetAppId() ==
extension->id())) {
tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE);
} else {
chrome::UnmuteIfMutedByExtension(web_contents, extension->id());
}
}
}
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
///////////////////////////////////////////////////////////////////////////////
// Browser, translate::ContentTranslateDriver::Observer implementation:
void Browser::OnIsPageTranslatedChanged(content::WebContents* source) {
DCHECK(source);
if (tab_strip_model_->GetActiveWebContents() == source) {
window_->SetTranslateIconToggled(
ChromeTranslateClient::FromWebContents(
source)->GetLanguageState().IsPageTranslated());
}
}
void Browser::OnTranslateEnabledChanged(content::WebContents* source) {
DCHECK(source);
if (tab_strip_model_->GetActiveWebContents() == source)
UpdateToolbar(false);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Command and state updating (private):
void Browser::OnDevToolsAvailabilityChanged() {
using DTPH = policy::DeveloperToolsPolicyHandler;
// We close all windows as a safety measure, even for
// kDisallowedForForceInstalledExtensions.
if (DTPH::GetDevToolsAvailability(profile_->GetPrefs()) !=
DTPH::Availability::kAllowed) {
content::DevToolsAgentHost::DetachAllClients();
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, UI update coalescing and handling (private):
void Browser::UpdateToolbar(bool should_restore_state) {
window_->UpdateToolbar(should_restore_state ?
tab_strip_model_->GetActiveWebContents() : NULL);
}
void Browser::ScheduleUIUpdate(WebContents* source,
unsigned changed_flags) {
DCHECK(source);
int index = tab_strip_model_->GetIndexOfWebContents(source);
DCHECK_NE(TabStripModel::kNoTab, index);
// 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()) {
// No task currently scheduled, start another.
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&Browser::ProcessPendingUIUpdates,
chrome_updater_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kUIUpdateCoalescingTimeMS));
}
}
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.
if (flags & content::INVALIDATE_TYPE_LOAD && GetStatusBubble()) {
GetStatusBubble()->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)) {
tab_strip_model_->UpdateWebContentsStateAt(
tab_strip_model_->GetIndexOfWebContents(contents),
TabChangeType::kAll);
}
// Update the bookmark bar. It may happen that the tab is crashed, and if
// so, the bookmark bar should be hidden.
if (flags & content::INVALIDATE_TYPE_TAB)
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
// We don't need to process INVALIDATE_STATE, since that's not visible.
}
scheduled_updates_.clear();
}
void Browser::RemoveScheduledUpdatesFor(WebContents* contents) {
if (!contents)
return;
UpdateMap::iterator i = scheduled_updates_.find(contents);
if (i != scheduled_updates_.end())
scheduled_updates_.erase(i);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Getters for UI (private):
StatusBubble* Browser::GetStatusBubble() {
// In kiosk and exclusive app mode, we want to always hide the status bubble.
if (chrome::IsRunningInAppMode())
return NULL;
return window_ ? window_->GetStatusBubble() : NULL;
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Session restore functions (private):
void Browser::SyncHistoryWithTabs(int index) {
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile());
if (session_service) {
for (int i = index; i < tab_strip_model_->count(); ++i) {
WebContents* web_contents = tab_strip_model_->GetWebContentsAt(i);
if (web_contents) {
SessionTabHelper* session_tab_helper =
SessionTabHelper::FromWebContents(web_contents);
session_service->SetTabIndexInWindow(
session_id(), session_tab_helper->session_id(), i);
session_service->SetPinnedState(
session_id(),
session_tab_helper->session_id(),
tab_strip_model_->IsTabPinned(i));
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, In-progress download termination handling (private):
bool Browser::CanCloseWithInProgressDownloads() {
// 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;
Browser::DownloadClosePreventionType dialog_type =
OkToCloseWithInProgressDownloads(&num_downloads_blocking);
if (dialog_type == DOWNLOAD_CLOSE_OK)
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,
false,
base::Bind(&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;
}
///////////////////////////////////////////////////////////////////////////////
// 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);
CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
translate::ContentTranslateDriver& content_translate_driver =
ChromeTranslateClient::FromWebContents(web_contents)->translate_driver();
if (delegate) {
zoom::ZoomController::FromWebContents(web_contents)->AddObserver(this);
content_translate_driver.AddObserver(this);
BookmarkTabHelper::FromWebContents(web_contents)->AddObserver(this);
} else {
zoom::ZoomController::FromWebContents(web_contents)->RemoveObserver(this);
content_translate_driver.RemoveObserver(this);
BookmarkTabHelper::FromWebContents(web_contents)->RemoveObserver(this);
}
}
void Browser::CloseFrame() {
window_->Close();
}
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)
find_bar_controller_->ChangeWebContents(NULL);
for (size_t i = 0; i < interstitial_observers_.size(); i++) {
if (interstitial_observers_[i]->web_contents() != contents)
continue;
delete interstitial_observers_[i];
interstitial_observers_.erase(interstitial_observers_.begin() + i);
return;
}
}
void Browser::UpdateWindowForLoadingStateChanged(content::WebContents* source,
bool to_different_document) {
window_->UpdateLoadingAnimations(tab_strip_model_->TabsAreLoading());
window_->UpdateTitleBar();
WebContents* selected_contents = tab_strip_model_->GetActiveWebContents();
if (source == selected_contents) {
bool is_loading = source->IsLoading() && to_different_document;
command_controller_->LoadingStateChanged(is_loading, false);
if (GetStatusBubble()) {
GetStatusBubble()->SetStatus(CoreTabHelper::FromWebContents(
tab_strip_model_->GetActiveWebContents())
->GetStatusText());
}
}
}
bool Browser::SupportsLocationBar() const {
// Tabbed browser always show a location bar.
if (is_type_tabbed())
return true;
// Non-app windows that aren't tabbed or system windows should always show a
// location bar, unless they are from a trusted source.
if (!is_app())
return !is_trusted_source();
// Hosted apps always support a location bar.
if (hosted_app_controller_)
return true;
return false;
}
bool Browser::SupportsWindowFeatureImpl(WindowFeature feature,
bool check_fullscreen) const {
bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen();
unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF;
// Bookmark bar could be present even if the top UI is hidden in fullscreen
// mode, such as when it is in 'detached' mode on NTP. Therefore we
// support this feature regardless of |hide_ui_for_fullscreen| and manage
// its visibility based on its own state.
if (is_type_tabbed())
features |= FEATURE_BOOKMARKBAR;
if (!hide_ui_for_fullscreen) {
if (!is_type_tabbed())
features |= FEATURE_TITLEBAR;
if (is_type_tabbed())
features |= FEATURE_TABSTRIP;
if (is_type_tabbed())
features |= FEATURE_TOOLBAR;
if (SupportsLocationBar())
features |= FEATURE_LOCATIONBAR;
}
return !!(features & feature);
}
void Browser::UpdateBookmarkBarState(BookmarkBarStateChangeReason reason) {
BookmarkBar::State state;
// The bookmark bar is always hidden for Guest Sessions and in fullscreen
// mode, unless on the new tab page.
if (profile_->IsGuestSession()) {
state = BookmarkBar::HIDDEN;
} else if (browser_defaults::bookmarks_enabled &&
profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar) &&
!ShouldHideUIForFullscreen()) {
state = BookmarkBar::SHOW;
} else {
WebContents* web_contents = tab_strip_model_->GetActiveWebContents();
BookmarkTabHelper* bookmark_tab_helper =
web_contents ? BookmarkTabHelper::FromWebContents(web_contents) : NULL;
if (bookmark_tab_helper && bookmark_tab_helper->ShouldShowBookmarkBar())
state = BookmarkBar::DETACHED;
else
state = 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;
window_->BookmarkBarStateChanged(should_animate ?
BookmarkBar::ANIMATE_STATE_CHANGE :
BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
}
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();
}
bool Browser::IsBrowserClosing() const {
const BrowserList::BrowserSet& closing_browsers =
BrowserList::GetInstance()->currently_closing_browsers();
return base::ContainsKey(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::MaybeCreateBackgroundContents(
content::SiteInstance* source_site_instance,
content::RenderFrameHost* opener,
const GURL& opener_url,
int32_t route_id,
int32_t main_frame_route_id,
int32_t main_frame_widget_route_id,
const std::string& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) {
extensions::ExtensionService* extensions_service =
extensions::ExtensionSystem::Get(profile_)->extension_service();
if (!opener_url.is_valid() || frame_name.empty() || !extensions_service ||
!extensions_service->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->GetProcess() ||
!process_map->Contains(extension->id(),
source_site_instance->GetProcess()->GetID())) {
return false;
}
// Only allow a single background contents per app.
bool allow_js_access = extensions::BackgroundInfo::AllowJSAccess(extension);
BackgroundContents* existing =
service->GetAppBackgroundContents(extension->id());
if (existing) {
// For non-scriptable background contents, ignore the request altogether,
// (returning true, so that a regular WebContents isn't created either).
if (!allow_js_access)
return true;
// For scriptable background pages, if one already exists, close it (even
// if it was specified in the manifest).
delete existing;
}
// Passed all the checks, so this should be created as a BackgroundContents.
BackgroundContents* contents = nullptr;
if (allow_js_access) {
contents = service->CreateBackgroundContents(
source_site_instance, opener, route_id, main_frame_route_id,
main_frame_widget_route_id, profile_, frame_name, extension->id(),
partition_id, session_storage_namespace);
} else {
// 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.
contents = service->CreateBackgroundContents(
content::SiteInstance::Create(
source_site_instance->GetBrowserContext()),
nullptr, MSG_ROUTING_NONE, MSG_ROUTING_NONE, MSG_ROUTING_NONE, profile_,
frame_name, extension->id(), partition_id, 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.
if (contents) {
contents->web_contents()->GetController().LoadURL(
target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
std::string()); // No extra headers.
}
}
return contents != NULL;
}