// 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"
#if defined(OS_WIN)
#include <windows.h>
#include <shellapi.h>
#endif // defined(OS_WIN)
#include <algorithm>
#include <string>
#include "base/base_paths.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/path_service.h"
#include "base/prefs/pref_service.h"
#include "base/process/process_info.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.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_service.h"
#include "chrome/browser/background/background_contents_service_factory.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/character_encoding.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chrome_page_zoom.h"
#include "chrome/browser/content_settings/host_content_settings_map.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_infobar_delegate.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_item_model.h"
#include "chrome/browser/download/download_service.h"
#include "chrome/browser/download/download_service_factory.h"
#include "chrome/browser/download/download_shelf.h"
#include "chrome/browser/extensions/browser_extension_window_controller.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/tab_helper.h"
#include "chrome/browser/favicon/favicon_tab_helper.h"
#include "chrome/browser/file_select_helper.h"
#include "chrome/browser/first_run/first_run.h"
#include "chrome/browser/google/google_url_tracker.h"
#include "chrome/browser/history/top_sites.h"
#include "chrome/browser/infobars/infobar_service.h"
#include "chrome/browser/infobars/simple_alert_infobar_delegate.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/notifications/notification_ui_manager.h"
#include "chrome/browser/pepper_broker_infobar_delegate.h"
#include "chrome/browser/prefs/incognito_mode_prefs.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_destroyer.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profile_metrics.h"
#include "chrome/browser/repost_form_warning_controller.h"
#include "chrome/browser/search/search.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/session_types.h"
#include "chrome/browser/sessions/tab_restore_service.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "chrome/browser/sync/sync_ui_util.h"
#include "chrome/browser/tab_contents/background_contents.h"
#include "chrome/browser/tab_contents/retargeting_details.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_factory.h"
#include "chrome/browser/translate/translate_tab_helper.h"
#include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
#include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
#include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.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_content_translate_driver_observer.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_iterator.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_tab_restore_service_delegate.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_pages.h"
#include "chrome/browser/ui/chrome_select_file_policy.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/fullscreen/fullscreen_controller.h"
#include "chrome/browser/ui/global_error/global_error.h"
#include "chrome/browser/ui/global_error/global_error_service.h"
#include "chrome/browser/ui/global_error/global_error_service_factory.h"
#include "chrome/browser/ui/media_utils.h"
#include "chrome/browser/ui/omnibox/location_bar.h"
#include "chrome/browser/ui/search/search_delegate.h"
#include "chrome/browser/ui/search/search_model.h"
#include "chrome/browser/ui/search/search_tab_helper.h"
#include "chrome/browser/ui/search_engines/search_engine_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_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_strip_model_utils.h"
#include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
#include "chrome/browser/ui/unload_controller.h"
#include "chrome/browser/ui/validation_message_bubble.h"
#include "chrome/browser/ui/website_settings/permission_bubble_manager.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/ui/zoom/zoom_controller.h"
#include "chrome/browser/upgrade_detector.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/custom_handlers/protocol_handler.h"
#include "chrome/common/net/url_fixer_upper.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/profiling.h"
#include "chrome/common/search_types.h"
#include "chrome/common/url_constants.h"
#include "components/bookmarks/core/browser/bookmark_model.h"
#include "components/bookmarks/core/browser/bookmark_utils.h"
#include "components/startup_metric_utils/startup_metric_utils.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "content/public/browser/devtools_manager.h"
#include "content/public/browser/download_item.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/interstitial_page.h"
#include "content/public/browser/invalidate_type.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/plugin_service.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.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_system.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "grit/theme_resources.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 "third_party/WebKit/public/web/WebWindowFeatures.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/window_open_disposition.h"
#include "ui/gfx/point.h"
#include "ui/shell_dialogs/selected_file_info.h"
#if defined(OS_WIN)
#include "base/win/metro.h"
#include "chrome/browser/ssl/ssl_error_info.h"
#include "chrome/browser/task_manager/task_manager.h"
#include "chrome/browser/ui/view_ids.h"
#include "components/autofill/core/browser/autofill_ie_toolbar_import_win.h"
#include "ui/base/win/shell.h"
#endif // OS_WIN
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/drive/file_system_util.h"
#endif
#if defined(USE_ASH)
#include "ash/ash_switches.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;
using blink::WebWindowFeatures;
///////////////////////////////////////////////////////////////////////////////
namespace {
// How long we wait before updating the browser chrome while loading a page.
const int kUIUpdateCoalescingTimeMS = 200;
BrowserWindow* CreateBrowserWindow(Browser* browser) {
return BrowserWindow::CreateBrowserWindow(browser);
}
// Is the fast tab unload experiment enabled?
bool IsFastTabUnloadEnabled() {
return CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableFastUnload);
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Browser, CreateParams:
Browser::CreateParams::CreateParams(Profile* profile,
chrome::HostDesktopType host_desktop_type)
: type(TYPE_TABBED),
profile(profile),
host_desktop_type(host_desktop_type),
trusted_source(false),
initial_show_state(ui::SHOW_STATE_DEFAULT),
is_session_restore(false),
window(NULL) {
}
Browser::CreateParams::CreateParams(Type type,
Profile* profile,
chrome::HostDesktopType host_desktop_type)
: type(type),
profile(profile),
host_desktop_type(host_desktop_type),
trusted_source(false),
initial_show_state(ui::SHOW_STATE_DEFAULT),
is_session_restore(false),
window(NULL) {
}
// static
Browser::CreateParams Browser::CreateParams::CreateForApp(
const std::string& app_name,
bool trusted_source,
const gfx::Rect& window_bounds,
Profile* profile,
chrome::HostDesktopType host_desktop_type) {
DCHECK(!app_name.empty());
CreateParams params(TYPE_POPUP, profile, host_desktop_type);
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,
chrome::HostDesktopType host_desktop_type) {
CreateParams params(TYPE_POPUP, profile, host_desktop_type);
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) {
}
using content::WebContentsObserver::web_contents;
virtual void DidAttachInterstitialPage() OVERRIDE {
browser_->UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
virtual 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)
: type_(params.type),
profile_(params.profile),
window_(NULL),
tab_strip_model_delegate_(new chrome::BrowserTabStripModelDelegate(this)),
tab_strip_model_(new TabStripModel(tab_strip_model_delegate_.get(),
params.profile)),
app_name_(params.app_name),
is_trusted_source_(params.trusted_source),
cancel_download_confirmation_state_(NOT_PROMPTED),
override_bounds_(params.initial_bounds),
initial_show_state_(params.initial_show_state),
is_session_restore_(params.is_session_restore),
host_desktop_type_(BrowserWindow::AdjustHostDesktopType(
params.host_desktop_type)),
content_setting_bubble_model_delegate_(
new BrowserContentSettingBubbleModelDelegate(this)),
toolbar_model_delegate_(new BrowserToolbarModelDelegate(this)),
tab_restore_service_delegate_(new BrowserTabRestoreServiceDelegate(this)),
synced_window_delegate_(new BrowserSyncedWindowDelegate(this)),
bookmark_bar_state_(BookmarkBar::HIDDEN),
command_controller_(new chrome::BrowserCommandController(
this, g_browser_process->profile_manager())),
window_has_shown_(false),
chrome_updater_factory_(this),
weak_factory_(this),
translate_driver_observer_(
new BrowserContentTranslateDriverObserver(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";
// TODO(jeremy): Move to initializer list once flag is removed.
if (IsFastTabUnloadEnabled())
fast_unload_controller_.reset(new chrome::FastUnloadController(this));
else
unload_controller_.reset(new chrome::UnloadController(this));
if (!app_name_.empty())
chrome::RegisterAppPrefs(app_name_, profile_);
tab_strip_model_->AddObserver(this);
toolbar_model_.reset(new ToolbarModelImpl(toolbar_model_delegate_.get()));
search_model_.reset(new SearchModel());
search_delegate_.reset(new SearchDelegate(search_model_.get()));
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
content::Source<Profile>(profile_->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
content::Source<Profile>(profile_->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
content::Source<Profile>(profile_->GetOriginalProfile()));
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
content::NotificationService::AllSources());
#if defined(ENABLE_THEMES)
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::kDevToolsDisabled,
base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this)));
profile_pref_registrar_.Add(
prefs::kShowBookmarkBar,
base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this),
BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE));
BrowserList::AddBrowser(this);
// NOTE: These prefs all need to be explicitly destroyed in the destructor
// or you'll get a nasty surprise when you run the incognito tests.
encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector,
profile_->GetPrefs());
if (chrome::IsInstantExtendedAPIEnabled() && is_type_tabbed())
instant_controller_.reset(new BrowserInstantController(this));
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_INIT);
ProfileMetrics::LogProfileLaunch(profile_);
window_ = params.window ? params.window : CreateBrowserWindow(this);
// Create the extension window controller before sending notifications.
extension_window_controller_.reset(
new BrowserExtensionWindowController(this));
SessionService* session_service =
SessionServiceFactory::GetForProfileForSessionRestore(profile_);
if (session_service)
session_service->WindowOpened(this);
// TODO(beng): Move BrowserList::AddBrowser() to the end of this function and
// replace uses of this with BL's notifications.
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_BROWSER_WINDOW_READY,
content::Source<Browser>(this),
content::NotificationService::NoDetails());
// 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)
}
fullscreen_controller_.reset(new FullscreenController(this));
}
Browser::~Browser() {
// The tab strip should not have any tabs at this point.
DCHECK(tab_strip_model_->empty());
tab_strip_model_->RemoveObserver(this);
// 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);
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service)
session_service->WindowClosed(session_id_);
TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
if (tab_restore_service)
tab_restore_service->BrowserClosed(tab_restore_service_delegate());
#if !defined(OS_MACOSX)
if (!chrome::GetTotalBrowserCountForProfile(profile_)) {
// We're the last browser window with this profile. We need to nuke the
// TabRestoreService, which will start the shutdown of the
// NavigationControllers and allow for proper shutdown. If we don't do this
// chrome won't shutdown cleanly, and may end up crashing when some
// thread tries to use the IO thread (or another thread) that is no longer
// valid.
// This isn't a valid assumption for Mac OS, as it stays running after
// the last browser has closed. The Mac equivalent is in its app
// controller.
TabRestoreServiceFactory::ResetForProfile(profile_);
}
#endif
profile_pref_registrar_.RemoveAll();
encoding_auto_detect_.Destroy();
// 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();
if (profile_->IsOffTheRecord() &&
!BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) {
// 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();
int num_downloads;
if (OkToCloseWithInProgressDownloads(&num_downloads) ==
DOWNLOAD_CLOSE_BROWSER_SHUTDOWN &&
!browser_defaults::kBrowserAliveWithNoWindows) {
DownloadService::CancelAllDownloads();
}
}
///////////////////////////////////////////////////////////////////////////////
// Getters & Setters
FindBarController* Browser::GetFindBarController() {
if (!find_bar_controller_.get()) {
FindBar* find_bar = window_->CreateFindBar();
find_bar_controller_.reset(new FindBarController(find_bar));
find_bar->SetFindBarController(find_bar_controller_.get());
find_bar_controller_->ChangeWebContents(
tab_strip_model_->GetActiveWebContents());
find_bar_controller_->find_bar()->MoveWindowIfNecessary(gfx::Rect(), true);
}
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).
FaviconTabHelper* favicon_tab_helper =
web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL;
return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image();
}
base::string16 Browser::GetWindowTitleForCurrentTab() const {
WebContents* contents = tab_strip_model_->GetActiveWebContents();
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 = contents->GetTitle();
FormatTitleForDisplay(&title);
}
if (title.empty())
title = CoreTabHelper::GetDefaultTitle();
#if defined(OS_MACOSX)
// On Mac, we don't want to suffix the page title with
// the application name.
return title;
#elif defined(USE_ASH)
// On Ash, we don't want to suffix the page title with the application name,
// but on Windows, where USE_ASH can also be true, we still want the prefix
// on desktop.
if (host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH)
return title;
#endif
// Don't append the app name to window titles on app frames and app popups
return is_app() ?
title :
l10n_util::GetStringFUTF16(IDS_BROWSER_WINDOW_TITLE_FORMAT, 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::CallBeforeUnloadHandlers(
const base::Callback<void(bool)>& on_close_confirmed) {
cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
if (IsFastTabUnloadEnabled()) {
return fast_unload_controller_->CallBeforeUnloadHandlers(
on_close_confirmed);
}
return unload_controller_->CallBeforeUnloadHandlers(on_close_confirmed);
}
void Browser::ResetBeforeUnloadHandlers() {
cancel_download_confirmation_state_ = NOT_PROMPTED;
if (IsFastTabUnloadEnabled())
fast_unload_controller_->ResetBeforeUnloadHandlers();
else
unload_controller_->ResetBeforeUnloadHandlers();
}
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();
}
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() || !chrome::WillKeepAlive();
if (should_quit_if_last_browser && chrome::ShouldStartShutdown(this))
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());
TabRestoreService* tab_restore_service =
TabRestoreServiceFactory::GetForProfile(profile());
#if defined(USE_AURA)
if (tab_restore_service && is_app() && !is_devtools())
tab_restore_service->BrowserClosing(tab_restore_service_delegate());
#endif
if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count())
tab_restore_service->BrowserClosing(tab_restore_service_delegate());
// TODO(sky): convert session/tab restore to use notification.
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_BROWSER_CLOSING,
content::Source<Browser>(this),
content::NotificationService::NoDetails());
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 =
DownloadService::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 (chrome::BrowserIterator it; !it.done(); it.Next()) {
// Don't count this browser window or any other in the process of closing.
Browser* const browser = *it;
// 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 (it->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.
DownloadService* download_service =
DownloadServiceFactory::GetForBrowserContext(profile());
if ((profile_window_count == 0) &&
(download_service->NonMaliciousDownloadCount() > 0) &&
profile()->IsOffTheRecord()) {
*num_downloads_blocking = download_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::WindowFullscreenStateChanged() {
fullscreen_controller_->WindowFullscreenStateChanged();
command_controller_->FullscreenStateChanged();
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN);
}
void Browser::VisibleSSLStateChanged(content::WebContents* web_contents) {
// When the current tab's SSL state changes, we need to update the URL
// bar to reflect the new state.
DCHECK(web_contents);
if (tab_strip_model_->GetActiveWebContents() == web_contents)
UpdateToolbar(false);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Assorted browser commands:
void Browser::ToggleFullscreenModeWithExtension(const GURL& extension_url) {
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::ToggleEncodingAutoDetect() {
content::RecordAction(UserMetricsAction("AutoDetectChange"));
encoding_auto_detect_.SetValue(!encoding_auto_detect_.GetValue());
// If "auto detect" is turned on, then any current override encoding
// is cleared. This also implicitly performs a reload.
// OTOH, if "auto detect" is turned off, we don't change the currently
// active encoding.
if (encoding_auto_detect_.GetValue()) {
WebContents* contents = tab_strip_model_->GetActiveWebContents();
if (contents)
contents->ResetOverrideEncoding();
}
}
void Browser::OverrideEncoding(int encoding_id) {
content::RecordAction(UserMetricsAction("OverrideEncoding"));
const std::string selected_encoding =
CharacterEncoding::GetCanonicalEncodingNameByCommandId(encoding_id);
WebContents* contents = tab_strip_model_->GetActiveWebContents();
if (!selected_encoding.empty() && contents)
contents->SetOverrideEncoding(selected_encoding);
// Update the list of recently selected encodings.
std::string new_selected_encoding_list;
if (CharacterEncoding::UpdateRecentlySelectedEncoding(
profile_->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding),
encoding_id,
&new_selected_encoding_list)) {
profile_->GetPrefs()->SetString(prefs::kRecentlySelectedEncoding,
new_selected_encoding_list);
}
}
void Browser::OpenFile() {
content::RecordAction(UserMetricsAction("OpenFile"));
select_file_dialog_ = ui::SelectFileDialog::Create(
this, new 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.support_drive = true;
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,
content::PageTransition transition,
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)
contents->SetInitialFocus();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, PageNavigator implementation:
WebContents* Browser::OpenURL(const OpenURLParams& params) {
return OpenURLFromTab(NULL, params);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, TabStripModelObserver implementation:
void Browser::TabInsertedAt(WebContents* contents,
int index,
bool foreground) {
SetAsDelegate(contents, this);
SessionTabHelper* session_tab_helper =
SessionTabHelper::FromWebContents(contents);
session_tab_helper->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.
LoadingStateChanged(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) {
fullscreen_controller_->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());
// Sever the WebContents' connection back to us.
SetAsDelegate(contents, NULL);
}
void Browser::TabDetachedAt(WebContents* contents, int index) {
// TabDetachedAt is called before TabStripModel has updated the
// active index.
int old_active_index = tab_strip_model_->active_index();
if (index < old_active_index && !tab_strip_model_->closing_all()) {
SessionService* session_service =
SessionServiceFactory::GetForProfileIfExisting(profile_);
if (session_service)
session_service->SetSelectedTabInWindow(session_id(),
old_active_index - 1);
}
TabDetachedAtImpl(contents, index, DETACH_TYPE_DETACH);
}
void Browser::TabDeactivated(WebContents* contents) {
fullscreen_controller_->OnTabDeactivated(contents);
search_delegate_->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);
if (instant_controller_)
instant_controller_->TabDeactivated(contents);
}
void Browser::ActiveTabChanged(WebContents* old_contents,
WebContents* new_contents,
int index,
int reason) {
content::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);
fullscreen_controller_->OnTabDetachedFromView(old_contents);
// Discarded tabs always get reloaded.
if (tab_strip_model_->IsTabDiscarded(index)) {
LOG(WARNING) << "Reloading discarded tab at " << index;
static int reload_count = 0;
UMA_HISTOGRAM_CUSTOM_COUNTS(
"Tabs.Discard.ReloadCount", ++reload_count, 1, 1000, 50);
chrome::Reload(this, CURRENT_TAB);
}
// 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);
if (chrome::IsInstantExtendedAPIEnabled())
search_delegate_->OnTabActivated(new_contents);
// 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(), true);
}
// Update sessions. 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());
}
// This needs to be called after notifying SearchDelegate.
if (instant_controller_)
instant_controller_->ActiveTabChanged();
autofill::TabAutofillManagerDelegate::FromWebContents(new_contents)->
TabActivated();
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) {
TabDetachedAtImpl(old_contents, index, DETACH_TYPE_REPLACE);
fullscreen_controller_->OnTabClosing(old_contents);
SessionService* session_service =
SessionServiceFactory::GetForProfile(profile_);
if (session_service)
session_service->TabClosing(old_contents);
TabInsertedAt(new_contents,
index,
(index == tab_strip_model_->active_index()));
int entry_count = new_contents->GetController().GetEntryCount();
if (entry_count > 0) {
// Send out notification so that observers are updated appropriately.
new_contents->GetController().NotifyEntryChanged(
new_contents->GetController().GetEntryAtIndex(entry_count - 1),
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(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::MessageLoop::current()->PostTask(
FROM_HERE, base::Bind(&Browser::CloseFrame, weak_factory_.GetWeakPtr()));
// Instant may have visible WebContents that need to be detached before the
// window system closes.
instant_controller_.reset();
}
bool Browser::CanOverscrollContent() const {
#if defined(USE_AURA)
const std::string value = CommandLine::ForCurrentProcess()->
GetSwitchValueASCII(switches::kOverscrollHistoryNavigation);
bool overscroll_enabled = value != "0";
if (!overscroll_enabled)
return false;
if (is_app() || is_devtools() || !is_type_tabbed())
return false;
// The detached bookmark bar has appearance of floating above the
// web-contents. This does not play nicely with overscroll navigation
// gestures. So disable overscroll navigation when the bookmark bar is in the
// detached state and the overscroll effect moves the layers.
if (value == "1" && bookmark_bar_state_ == BookmarkBar::DETACHED)
return false;
return true;
#else
return false;
#endif
}
bool Browser::ShouldPreserveAbortedURLs(WebContents* source) {
// Allow failed URLs to stick around in the omnibox on the NTP, but not when
// other pages have committed.
Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext());
if (!profile || !source->GetController().GetLastCommittedEntry())
return false;
GURL committed_url(source->GetController().GetLastCommittedEntry()->GetURL());
return chrome::IsNTPURL(committed_url, profile);
}
bool Browser::PreHandleKeyboardEvent(content::WebContents* source,
const NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) {
// Escape exits tabbed fullscreen mode.
// TODO(koz): Write a test for this http://crbug.com/100441.
if (event.windowsKeyCode == 27 &&
fullscreen_controller_->HandleUserPressedEscape()) {
return true;
}
return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut);
}
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();
}
void Browser::OverscrollUpdate(int delta_y) {
window_->OverscrollUpdate(delta_y);
}
void Browser::ShowValidationMessage(content::WebContents* web_contents,
const gfx::Rect& anchor_in_root_view,
const base::string16& main_text,
const base::string16& sub_text) {
RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
if (rwhv) {
validation_message_bubble_ =
chrome::ValidationMessageBubble::CreateAndShow(
rwhv->GetRenderWidgetHost(),
anchor_in_root_view,
main_text,
sub_text);
}
}
void Browser::HideValidationMessage(content::WebContents* web_contents) {
validation_message_bubble_.reset();
}
void Browser::MoveValidationMessage(content::WebContents* web_contents,
const gfx::Rect& anchor_in_root_view) {
if (!validation_message_bubble_)
return;
RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
if (rwhv) {
validation_message_bubble_->SetPositionRelativeToAnchor(
rwhv->GetRenderWidgetHost(), anchor_in_root_view);
}
}
bool Browser::PreHandleGestureEvent(content::WebContents* source,
const blink::WebGestureEvent& event) {
// Disable pinch zooming in undocked dev tools window due to poor UX.
if (app_name() == DevToolsWindow::kDevToolsApp)
return event.type == blink::WebGestureEvent::GesturePinchBegin ||
event.type == blink::WebGestureEvent::GesturePinchUpdate ||
event.type == blink::WebGestureEvent::GesturePinchEnd;
return false;
}
bool Browser::IsMouseLocked() const {
return fullscreen_controller_->IsMouseLocked();
}
void Browser::OnWindowDidShow() {
if (window_has_shown_)
return;
window_has_shown_ = true;
// CurrentProcessInfo::CreationTime() is missing on some platforms.
#if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
// Measure the latency from startup till the first browser window becomes
// visible.
static bool is_first_browser_window = true;
if (is_first_browser_window &&
!startup_metric_utils::WasNonBrowserUIDisplayed()) {
is_first_browser_window = false;
const base::Time process_creation_time =
base::CurrentProcessInfo::CreationTime();
if (!process_creation_time.is_null()) {
UMA_HISTOGRAM_LONG_TIMES(
"Startup.BrowserWindowDisplay",
base::Time::Now() - process_creation_time);
}
}
#endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
// 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);
}
void Browser::ShowFirstRunBubble() {
window()->GetLocationBar()->ShowFirstRunBubble();
}
void Browser::ShowDownload(content::DownloadItem* download) {
if (!window())
return;
// If the download occurs in a new tab, and it's not a save page
// download (started before initial navigation completed) close it.
WebContents* source = download->GetWebContents();
if (source && source->GetController().IsInitialNavigation() &&
tab_strip_model_->count() > 1 && !download->IsSavePackageDownload()) {
CloseContents(source);
}
// Some (app downloads) are not supposed to appear on the shelf.
if (!DownloadItemModel(download).ShouldShowInShelf())
return;
// GetDownloadShelf creates the download shelf if it was not yet created.
DownloadShelf* shelf = window()->GetDownloadShelf();
shelf->AddDownload(download);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, content::WebContentsDelegate implementation:
WebContents* Browser::OpenURLFromTab(WebContents* source,
const OpenURLParams& params) {
chrome::NavigateParams nav_params(this, params.url, params.transition);
FillNavigateParamsFromOpenURLParams(&nav_params, params);
nav_params.source_contents = source;
nav_params.tabstrip_add_types = TabStripModel::ADD_NONE;
if (params.user_gesture)
nav_params.window_action = chrome::NavigateParams::SHOW_WINDOW;
nav_params.user_gesture = params.user_gesture;
PopupBlockerTabHelper* popup_blocker_helper = NULL;
if (source)
popup_blocker_helper = PopupBlockerTabHelper::FromWebContents(source);
if (popup_blocker_helper) {
if ((params.disposition == NEW_POPUP ||
params.disposition == NEW_FOREGROUND_TAB ||
params.disposition == NEW_BACKGROUND_TAB ||
params.disposition == NEW_WINDOW) &&
!params.user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisablePopupBlocking)) {
if (popup_blocker_helper->MaybeBlockPopup(nav_params,
WebWindowFeatures())) {
return NULL;
}
}
}
chrome::Navigate(&nav_params);
return nav_params.target_contents;
}
void Browser::NavigationStateChanged(const WebContents* source,
unsigned 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))
command_controller_->TabStateChanged();
}
void Browser::AddNewContents(WebContents* source,
WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture,
bool* was_blocked) {
chrome::AddWebContents(this, source, new_contents, disposition, initial_pos,
user_gesture, was_blocked);
}
void Browser::ActivateContents(WebContents* contents) {
tab_strip_model_->ActivateTabAt(
tab_strip_model_->GetIndexOfWebContents(contents), false);
window_->Activate();
}
void Browser::DeactivateContents(WebContents* contents) {
window_->Deactivate();
}
void Browser::LoadingStateChanged(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());
}
}
}
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::MoveContents(WebContents* source, const gfx::Rect& pos) {
if (!IsPopupOrPanel(source)) {
NOTREACHED() << "moving invalid browser type";
return;
}
window_->SetBounds(pos);
}
bool Browser::IsPopupOrPanel(const WebContents* source) const {
return is_type_popup();
}
void Browser::UpdateTargetURL(WebContents* source, int32 page_id,
const GURL& url) {
if (!GetStatusBubble())
return;
if (source == tab_strip_model_->GetActiveWebContents()) {
PrefService* prefs = profile_->GetPrefs();
GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages));
}
}
void Browser::ContentsMouseEvent(
WebContents* source, const gfx::Point& location, bool motion) {
if (!GetStatusBubble())
return;
if (source == tab_strip_model_->GetActiveWebContents()) {
GetStatusBubble()->MouseMoved(location, !motion);
if (!motion)
GetStatusBubble()->SetURL(GURL(), std::string());
}
}
void Browser::ContentsZoomChange(bool zoom_in) {
chrome::ExecuteCommand(this, zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS);
}
void Browser::WebContentsFocused(WebContents* contents) {
window_->WebContentsFocused(contents);
}
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;
}
gfx::Rect Browser::GetRootWindowResizerRect() const {
return window_->GetRootWindowResizerRect();
}
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_->BeforeUnloadFired(web_contents, proceed);
} else {
*proceed_to_fire_unload =
unload_controller_->BeforeUnloadFired(web_contents, proceed);
}
}
bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) {
const content::NavigationEntry* entry =
source->GetController().GetActiveEntry();
if (entry) {
GURL url = entry->GetURL();
GURL virtual_url = entry->GetVirtualURL();
if ((url.SchemeIs(content::kChromeUIScheme) &&
url.host() == chrome::kChromeUINewTabHost) ||
(virtual_url.SchemeIs(content::kChromeUIScheme) &&
virtual_url.host() == chrome::kChromeUINewTabHost)) {
return true;
}
}
return chrome::NavEntryIsInstantNTP(source, entry);
}
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);
}
int Browser::GetExtraRenderViewHeight() const {
return window_->GetExtraRenderViewHeight();
}
void Browser::ViewSourceForTab(WebContents* source, const GURL& page_url) {
DCHECK(source);
chrome::ViewSource(this, source);
}
void Browser::ViewSourceForFrame(WebContents* source,
const GURL& frame_url,
const content::PageState& frame_page_state) {
DCHECK(source);
chrome::ViewSource(this, source, frame_url, frame_page_state);
}
void Browser::ShowRepostFormWarningDialog(WebContents* source) {
TabModalConfirmDialog::Create(new RepostFormWarningController(source),
source);
}
bool Browser::ShouldCreateWebContents(
WebContents* web_contents,
int route_id,
WindowContainerType window_container_type,
const base::string16& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) {
if (window_container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
// If a BackgroundContents is created, suppress the normal WebContents.
return !MaybeCreateBackgroundContents(route_id,
web_contents,
frame_name,
target_url,
partition_id,
session_storage_namespace);
}
return true;
}
void Browser::WebContentsCreated(WebContents* source_contents,
int opener_render_frame_id,
const base::string16& 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);
// Notify.
RetargetingDetails details;
details.source_web_contents = source_contents;
details.source_render_frame_id = opener_render_frame_id;
details.target_url = target_url;
details.target_web_contents = new_contents;
details.not_yet_in_tabstrip = true;
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_RETARGETING,
content::Source<Profile>(profile_),
content::Details<RetargetingDetails>(&details));
}
void Browser::RendererUnresponsive(WebContents* source) {
// 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;
chrome::ShowHungRendererDialog(source);
}
void Browser::RendererResponsive(WebContents* source) {
chrome::HideHungRendererDialog(source);
}
void Browser::WorkerCrashed(WebContents* source) {
SimpleAlertInfoBarDelegate::Create(
InfoBarService::FromWebContents(source),
infobars::InfoBarDelegate::kNoIconID,
l10n_util::GetStringUTF16(IDS_WEBWORKER_CRASHED_PROMPT), true);
}
void Browser::DidNavigateMainFramePostCommit(WebContents* web_contents) {
if (web_contents == tab_strip_model_->GetActiveWebContents())
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
void Browser::DidNavigateToPendingEntry(WebContents* web_contents) {
if (web_contents == tab_strip_model_->GetActiveWebContents())
UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TAB_STATE);
}
content::JavaScriptDialogManager* Browser::GetJavaScriptDialogManager() {
return GetJavaScriptDialogManagerInstance();
}
content::ColorChooser* Browser::OpenColorChooser(
WebContents* web_contents,
SkColor initial_color,
const std::vector<content::ColorSuggestion>& suggestions) {
return chrome::ShowColorChooser(web_contents, initial_color);
}
void Browser::RunFileChooser(WebContents* web_contents,
const content::FileChooserParams& params) {
FileSelectHelper::RunFileChooser(web_contents, 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 !CommandLine::ForCurrentProcess()->
HasSwitch(switches::kDisableFullscreenWithinTab);
}
void Browser::ToggleFullscreenModeForTab(WebContents* web_contents,
bool enter_fullscreen) {
fullscreen_controller_->ToggleFullscreenModeForTab(web_contents,
enter_fullscreen);
}
bool Browser::IsFullscreenForTabOrPending(
const WebContents* web_contents) const {
return fullscreen_controller_->IsFullscreenForTabOrPending(web_contents);
}
void Browser::RegisterProtocolHandler(WebContents* web_contents,
const std::string& protocol,
const GURL& url,
const base::string16& title,
bool user_gesture) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
if (profile->IsOffTheRecord())
return;
ProtocolHandler handler =
ProtocolHandler::CreateProtocolHandler(protocol, url, title);
ProtocolHandlerRegistry* registry =
ProtocolHandlerRegistryFactory::GetForProfile(profile);
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();
}
PermissionBubbleManager* bubble_manager =
PermissionBubbleManager::FromWebContents(web_contents);
if (PermissionBubbleManager::Enabled() && bubble_manager) {
bubble_manager->AddRequest(
new RegisterProtocolHandlerPermissionRequest(registry, handler,
url, user_gesture));
} else {
RegisterProtocolHandlerInfoBarDelegate::Create(
InfoBarService::FromWebContents(web_contents), registry, handler);
}
}
void Browser::UpdatePreferredSize(WebContents* source,
const gfx::Size& pref_size) {
window_->UpdatePreferredSize(source, pref_size);
}
void Browser::ResizeDueToAutoResize(WebContents* source,
const gfx::Size& new_size) {
window_->ResizeDueToAutoResize(source, new_size);
}
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) {
fullscreen_controller_->RequestToLockMouse(web_contents,
user_gesture,
last_unlocked_by_target);
}
void Browser::LostMouseLock() {
fullscreen_controller_->LostMouseLock();
}
void Browser::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
const content::MediaResponseCallback& callback) {
::RequestMediaAccessPermission(web_contents, profile_, request, callback);
}
bool Browser::RequestPpapiBrokerPermission(
WebContents* web_contents,
const GURL& url,
const base::FilePath& plugin_path,
const base::Callback<void(bool)>& callback) {
PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback);
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 &&
!chrome::IsNTPURL(pending_entry->GetVirtualURL(), profile_)) {
size.Enlarge(
0, window()->GetRenderViewHeightInsetWithDetachedBookmarkBar());
}
return size;
}
///////////////////////////////////////////////////////////////////////////////
// Browser, CoreTabHelperDelegate implementation:
void Browser::SwapTabContents(content::WebContents* old_contents,
content::WebContents* new_contents,
bool did_start_load,
bool did_finish_load) {
int index = tab_strip_model_->GetIndexOfWebContents(old_contents);
DCHECK_NE(TabStripModel::kNoTab, index);
tab_strip_model_->ReplaceWebContentsAt(index, 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, SearchEngineTabHelperDelegate implementation:
void Browser::ConfirmAddSearchProvider(TemplateURL* template_url,
Profile* profile) {
window()->ConfirmAddSearchProvider(template_url, profile);
}
///////////////////////////////////////////////////////////////////////////////
// Browser, SearchTabHelperDelegate implementation:
void Browser::NavigateOnThumbnailClick(const GURL& url,
WindowOpenDisposition disposition,
content::WebContents* source_contents) {
DCHECK(source_contents);
// We're guaranteed that AUTO_BOOKMARK is the right transition since this only
// gets called to handle clicks in the new tab page (to navigate to most
// visited item URLs) and in the search results page (to navigate to
// privileged destinations (e.g. chrome://URLs)).
//
// TODO(kmadhusu): Page transitions to privileged destinations should be
// marked as "LINK" instead of "AUTO_BOOKMARK"?
chrome::NavigateParams params(this, url,
content::PAGE_TRANSITION_AUTO_BOOKMARK);
params.referrer = content::Referrer();
params.source_contents = source_contents;
params.disposition = disposition;
params.is_renderer_initiated = false;
params.initiating_profile = profile_;
chrome::Navigate(¶ms);
}
void Browser::OnWebContentsInstantSupportDisabled(
const content::WebContents* web_contents) {
DCHECK(web_contents);
if (tab_strip_model_->GetActiveWebContents() == web_contents)
UpdateToolbar(false);
}
OmniboxView* Browser::GetOmniboxView() {
return window_->GetLocationBar()->GetOmniboxView();
}
std::set<std::string> Browser::GetOpenUrls() {
history::TopSites* top_sites = profile_->GetTopSites();
if (!top_sites) // NULL for Incognito profiles.
return std::set<std::string>();
std::set<std::string> open_urls;
chrome::GetOpenUrls(*tab_strip_model_, *top_sites, &open_urls);
return open_urls;
}
///////////////////////////////////////////////////////////////////////////////
// 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) {
NOTREACHED();
return;
}
tab_strip_model_->SetTabBlocked(index, blocked);
if (!blocked && tab_strip_model_->GetActiveWebContents() == web_contents)
web_contents->Focus();
}
web_modal::WebContentsModalDialogHost*
Browser::GetWebContentsModalDialogHost() {
return window_->GetWebContentsModalDialogHost();
}
///////////////////////////////////////////////////////////////////////////////
// Browser, BookmarkTabHelperDelegate 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(content::WebContents* source,
bool can_show_bubble) {
if (source == tab_strip_model_->GetActiveWebContents()) {
// Only show the zoom bubble for zoom changes in the active window.
window_->ZoomChangedForActiveTab(can_show_bubble && window_->IsActive() &&
!is_devtools());
}
}
///////////////////////////////////////////////////////////////////////////////
// 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)
drive::util::MaybeSetDriveURL(profile_, file_info.file_path, &url);
#endif
if (url.is_empty())
return;
OpenURL(OpenURLParams(
url, Referrer(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED, false));
}
///////////////////////////////////////////////////////////////////////////////
// Browser, content::NotificationObserver implementation:
void Browser::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: {
chrome::UpdateCommandEnabled(
this,
IDC_BOOKMARK_PAGE,
!chrome::ShouldRemoveBookmarkThisPageUI(profile_));
chrome::UpdateCommandEnabled(
this,
IDC_BOOKMARK_ALL_TABS,
!chrome::ShouldRemoveBookmarkOpenPagesUI(profile_));
if (window()->GetLocationBar())
window()->GetLocationBar()->UpdatePageActions();
const extensions::UnloadedExtensionInfo* extension_info =
content::Details<extensions::UnloadedExtensionInfo>(details).ptr();
// Close any tabs from the unloaded extension, unless it's terminated,
// in which case let the sad tabs remain.
if (extension_info->reason !=
extensions::UnloadedExtensionInfo::REASON_TERMINATE) {
const Extension* extension = extension_info->extension;
// 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() == extension->id()) ||
(extensions::TabHelper::FromWebContents(
web_contents)->extension_app() == extension)) {
tab_strip_model_->CloseWebContentsAt(i, TabStripModel::CLOSE_NONE);
}
}
}
break;
}
case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: {
Profile* profile = content::Source<Profile>(source).ptr();
if (profile_->IsSameProfile(profile) && window()->GetLocationBar())
window()->GetLocationBar()->InvalidatePageActions();
break;
}
case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
chrome::UpdateCommandEnabled(
this,
IDC_BOOKMARK_PAGE,
!chrome::ShouldRemoveBookmarkThisPageUI(profile_));
chrome::UpdateCommandEnabled(
this,
IDC_BOOKMARK_ALL_TABS,
!chrome::ShouldRemoveBookmarkOpenPagesUI(profile_));
// fallthrough
case chrome::NOTIFICATION_EXTENSION_UNINSTALLED:
// During window creation on Windows we may end up calling into
// SHAppBarMessage, which internally spawns a nested message loop. This
// makes it possible for us to end up here before window creation has
// completed, at which point window_ is NULL. See 94752 for details.
if (window() && window()->GetLocationBar())
window()->GetLocationBar()->UpdatePageActions();
break;
#if defined(ENABLE_THEMES)
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.";
}
}
///////////////////////////////////////////////////////////////////////////////
// Browser, Command and state updating (private):
void Browser::OnDevToolsDisabledChanged() {
if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled))
content::DevToolsManager::GetInstance()->CloseAllClientHosts();
}
///////////////////////////////////////////////////////////////////////////////
// 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(const 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 &&
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);
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),
TabStripModelObserver::LOADING_ONLY);
// 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 (changed_flags & content::INVALIDATE_TYPE_TITLE && !source->IsLoading()) {
// To correctly calculate whether the title changed while not loading
// we need to process the update synchronously. This state only matters for
// the TabStripModel, so we notify the TabStripModel now and notify others
// asynchronously.
tab_strip_model_->UpdateWebContentsStateAt(
tab_strip_model_->GetIndexOfWebContents(source),
TabStripModelObserver::TITLE_NOT_LOADING);
}
// 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::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&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.
if (flags & content::INVALIDATE_TYPE_PAGE_ACTIONS) {
LocationBar* location_bar = window()->GetLocationBar();
if (location_bar)
location_bar->UpdatePageActions();
}
// 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),
TabStripModelObserver::ALL);
}
// 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, Browser* delegate) {
// WebContents...
web_contents->SetDelegate(delegate);
// ...and all the helpers.
BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
WebContentsModalDialogManager::FromWebContents(web_contents)->
SetDelegate(delegate);
CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
SearchTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
ZoomController::FromWebContents(web_contents)->set_observer(delegate);
TranslateTabHelper* translate_tab_helper =
TranslateTabHelper::FromWebContents(web_contents);
translate_tab_helper->translate_driver().set_observer(
delegate ? delegate->translate_driver_observer_.get() : NULL);
}
void Browser::CloseFrame() {
window_->Close();
}
void Browser::TabDetachedAtImpl(content::WebContents* contents,
int index,
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 (contents == tab_strip_model_->GetActiveWebContents()) {
LocationBar* location_bar = window()->GetLocationBar();
if (location_bar)
location_bar->SaveStateToContents(contents);
}
if (!tab_strip_model_->closing_all())
SyncHistoryWithTabs(0);
}
SetAsDelegate(contents, NULL);
RemoveScheduledUpdatesFor(contents);
if (find_bar_controller_.get() && index == tab_strip_model_->active_index()) {
find_bar_controller_->ChangeWebContents(NULL);
}
// Stop observing search model changes for this tab.
search_delegate_->OnTabDetached(contents);
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;
}
}
bool Browser::ShouldShowLocationBar() const {
// Tabbed browser always show a location bar.
if (is_type_tabbed())
return true;
if (is_app()) {
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableStreamlinedHostedApps)) {
// If kEnableStreamlinedHostedApps is true, show the location bar for
// bookmark apps.
ExtensionService* service =
extensions::ExtensionSystem::Get(profile_)->extension_service();
const extensions::Extension* extension =
service ? service->GetInstalledExtension(
web_app::GetExtensionIdFromApplicationName(app_name()))
: NULL;
return (!extension || extension->from_bookmark()) &&
app_name() != DevToolsWindow::kDevToolsApp;
} else {
return false;
}
}
// Trusted app windows and system windows never show a location bar.
return !is_trusted_source();
}
bool Browser::SupportsWindowFeatureImpl(WindowFeature feature,
bool check_fullscreen) const {
bool hide_ui_for_fullscreen = check_fullscreen && ShouldHideUIForFullscreen();
unsigned int features = FEATURE_INFOBAR | FEATURE_DOWNLOADSHELF;
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 (ShouldShowLocationBar())
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(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 shouldAnimate = reason == BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE;
window_->BookmarkBarStateChanged(shouldAnimate ?
BookmarkBar::ANIMATE_STATE_CHANGE :
BookmarkBar::DONT_ANIMATE_STATE_CHANGE);
}
bool Browser::ShouldHideUIForFullscreen() const {
// Windows and GTK remove the top controls in fullscreen, but Mac and Ash
// keep the controls in a slide-down panel.
return window_ && window_->ShouldHideUIForFullscreen();
}
bool Browser::MaybeCreateBackgroundContents(
int route_id,
WebContents* opener_web_contents,
const base::string16& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) {
GURL opener_url = opener_web_contents->GetURL();
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_service->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.
SiteInstance* opener_site_instance = opener_web_contents->GetSiteInstance();
extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile_);
if (!opener_site_instance->GetProcess() ||
!process_map->Contains(
extension->id(), opener_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(base::ASCIIToUTF16(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;
}
// If script access is not allowed, create the the background contents in a
// new SiteInstance, so that a separate process is used.
scoped_refptr<content::SiteInstance> site_instance =
allow_js_access ?
opener_site_instance :
content::SiteInstance::Create(opener_web_contents->GetBrowserContext());
// Passed all the checks, so this should be created as a BackgroundContents.
BackgroundContents* contents =
service->CreateBackgroundContents(site_instance.get(),
route_id,
profile_,
frame_name,
base::ASCIIToUTF16(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 && !allow_js_access) {
contents->web_contents()->GetController().LoadURL(
target_url,
content::Referrer(),
content::PAGE_TRANSITION_LINK,
std::string()); // No extra headers.
}
return contents != NULL;
}