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chromium / chromium / src / 20fa2e0bca794f08cdd82c8949640de56db8a32f / . / ios / chrome / browser / ui / main / scene_controller.mm
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// Copyright 2019 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.
#import "ios/chrome/browser/ui/main/scene_controller.h"
#include "base/callback_helpers.h"
#include "base/i18n/message_formatter.h"
#import "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/sys_string_conversions.h"
#include "base/task/post_task.h"
#include "components/infobars/core/infobar_manager.h"
#include "components/prefs/pref_service.h"
#import "components/previous_session_info/previous_session_info.h"
#include "components/signin/public/identity_manager/identity_manager.h"
#include "components/url_formatter/url_formatter.h"
#include "components/web_resource/web_resource_pref_names.h"
#import "ios/chrome/app/application_delegate/app_state.h"
#import "ios/chrome/app/application_delegate/startup_information.h"
#include "ios/chrome/app/application_delegate/tab_opening.h"
#import "ios/chrome/app/application_delegate/url_opener.h"
#import "ios/chrome/app/application_delegate/url_opener_params.h"
#import "ios/chrome/app/application_delegate/user_activity_handler.h"
#include "ios/chrome/app/application_mode.h"
#import "ios/chrome/app/chrome_overlay_window.h"
#import "ios/chrome/app/deferred_initialization_runner.h"
#include "ios/chrome/browser/application_context.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
#include "ios/chrome/browser/browsing_data/browsing_data_remove_mask.h"
#include "ios/chrome/browser/browsing_data/browsing_data_remover.h"
#include "ios/chrome/browser/browsing_data/browsing_data_remover_factory.h"
#include "ios/chrome/browser/chrome_url_constants.h"
#import "ios/chrome/browser/chrome_url_util.h"
#include "ios/chrome/browser/crash_report/breadcrumbs/breadcrumb_manager_browser_agent.h"
#include "ios/chrome/browser/crash_report/breadcrumbs/breadcrumb_manager_keyed_service.h"
#include "ios/chrome/browser/crash_report/breadcrumbs/breadcrumb_manager_keyed_service_factory.h"
#include "ios/chrome/browser/crash_report/breadcrumbs/breadcrumb_persistent_storage_manager.h"
#include "ios/chrome/browser/crash_report/breadcrumbs/features.h"
#include "ios/chrome/browser/crash_report/crash_keys_helper.h"
#include "ios/chrome/browser/crash_report/crash_report_helper.h"
#import "ios/chrome/browser/crash_report/crash_restore_helper.h"
#import "ios/chrome/browser/first_run/first_run.h"
#include "ios/chrome/browser/geolocation/omnibox_geolocation_controller.h"
#import "ios/chrome/browser/geolocation/omnibox_geolocation_controller.h"
#include "ios/chrome/browser/infobars/infobar_manager_impl.h"
#import "ios/chrome/browser/main/browser.h"
#import "ios/chrome/browser/main/browser_list.h"
#import "ios/chrome/browser/main/browser_list_factory.h"
#import "ios/chrome/browser/main/browser_util.h"
#include "ios/chrome/browser/ntp/features.h"
#include "ios/chrome/browser/screenshot/screenshot_delegate.h"
#include "ios/chrome/browser/signin/constants.h"
#include "ios/chrome/browser/signin/identity_manager_factory.h"
#import "ios/chrome/browser/snapshots/snapshot_tab_helper.h"
#import "ios/chrome/browser/ui/appearance/appearance_customization.h"
#import "ios/chrome/browser/ui/authentication/signed_in_accounts_view_controller.h"
#import "ios/chrome/browser/ui/authentication/signin/signin_coordinator.h"
#import "ios/chrome/browser/ui/authentication/signin/signin_utils.h"
#import "ios/chrome/browser/ui/authentication/signin_notification_infobar_delegate.h"
#import "ios/chrome/browser/ui/browser_view/browser_view_controller.h"
#import "ios/chrome/browser/ui/commands/browser_commands.h"
#import "ios/chrome/browser/ui/commands/browsing_data_commands.h"
#import "ios/chrome/browser/ui/commands/command_dispatcher.h"
#import "ios/chrome/browser/ui/commands/omnibox_commands.h"
#import "ios/chrome/browser/ui/commands/open_new_tab_command.h"
#import "ios/chrome/browser/ui/commands/show_signin_command.h"
#import "ios/chrome/browser/ui/first_run/first_run_util.h"
#import "ios/chrome/browser/ui/first_run/location_permissions_commands.h"
#import "ios/chrome/browser/ui/first_run/location_permissions_coordinator.h"
#import "ios/chrome/browser/ui/first_run/location_permissions_field_trial.h"
#import "ios/chrome/browser/ui/first_run/orientation_limiting_navigation_controller.h"
#import "ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.h"
#include "ios/chrome/browser/ui/history/history_coordinator.h"
#import "ios/chrome/browser/ui/incognito_reauth/incognito_reauth_scene_agent.h"
#import "ios/chrome/browser/ui/main/browser_interface_provider.h"
#import "ios/chrome/browser/ui/main/browser_view_wrangler.h"
#import "ios/chrome/browser/ui/main/default_browser_scene_agent.h"
#import "ios/chrome/browser/ui/main/incognito_blocker_scene_agent.h"
#import "ios/chrome/browser/ui/main/ui_blocker_scene_agent.h"
#import "ios/chrome/browser/ui/scoped_ui_blocker/scoped_ui_blocker.h"
#import "ios/chrome/browser/ui/settings/settings_navigation_controller.h"
#include "ios/chrome/browser/ui/tab_switcher/tab_grid/tab_grid_coordinator.h"
#include "ios/chrome/browser/ui/tab_switcher/tab_grid/tab_grid_coordinator_delegate.h"
#import "ios/chrome/browser/ui/thumb_strip/thumb_strip_feature.h"
#import "ios/chrome/browser/ui/ui_feature_flags.h"
#import "ios/chrome/browser/ui/util/multi_window_support.h"
#import "ios/chrome/browser/ui/util/top_view_controller.h"
#import "ios/chrome/browser/ui/util/uikit_ui_util.h"
#import "ios/chrome/browser/ui/whats_new/default_browser_utils.h"
#import "ios/chrome/browser/url_loading/scene_url_loading_service.h"
#import "ios/chrome/browser/url_loading/url_loading_browser_agent.h"
#import "ios/chrome/browser/url_loading/url_loading_params.h"
#include "ios/chrome/browser/web_state_list/session_metrics.h"
#import "ios/chrome/browser/web_state_list/tab_insertion_browser_agent.h"
#import "ios/chrome/browser/web_state_list/web_state_list.h"
#import "ios/chrome/browser/web_state_list/web_state_list_observer_bridge.h"
#import "ios/chrome/browser/window_activities/window_activity_helpers.h"
#import "ios/chrome/common/ui/reauthentication/reauthentication_module.h"
#include "ios/chrome/grit/ios_strings.h"
#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
#include "ios/public/provider/chrome/browser/mailto/mailto_handler_provider.h"
#include "ios/public/provider/chrome/browser/signin/chrome_identity_service.h"
#import "ios/public/provider/chrome/browser/user_feedback/user_feedback_provider.h"
#include "ios/web/public/thread/web_task_traits.h"
#import "ios/web/public/web_state.h"
#import "net/base/mac/url_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
namespace {
// A rough estimate of the expected duration of a view controller transition
// animation. It's used to temporarily disable mutally exclusive chrome
// commands that trigger a view controller presentation.
const int64_t kExpectedTransitionDurationInNanoSeconds = 0.2 * NSEC_PER_SEC;
// Possible results of snapshotting at the moment the user enters the tab
// switcher. These values are persisted to logs. Entries should not be
// renumbered and numeric values should never be reused.
enum class EnterTabSwitcherSnapshotResult {
// Page was loading at the time of the snapshot request, and the snapshot
// failed.
kPageLoadingAndSnapshotFailed = 0,
// Page was loading at the time of the snapshot request, and the snapshot
// succeeded.
kPageLoadingAndSnapshotSucceeded = 1,
// Page was not loading at the time of the snapshot request, and the snapshot
// failed.
kPageNotLoadingAndSnapshotFailed = 2,
// Page was not loading at the time of the snapshot request, and the snapshot
// succeeded.
kPageNotLoadingAndSnapshotSucceeded = 3,
// kMaxValue should share the value of the highest enumerator.
kMaxValue = kPageNotLoadingAndSnapshotSucceeded,
};
// Histogram enum values for showing the experiment arms of the location
// permissions experiment. These values are persisted to logs. Entries should
// not be renumbered and numeric values should never be reused.
enum class LocationPermissionsUI {
// The First Run native location prompt was not shown.
kFirstRunPromptNotShown = 0,
// The First Run location permissions modal was shown.
kFirstRunModal = 1,
// kMaxValue should share the value of the highest enumerator.
kMaxValue = kFirstRunModal,
};
// Used to update the current BVC mode if a new tab is added while the tab
// switcher view is being dismissed. This is different than ApplicationMode in
// that it can be set to |NONE| when not in use.
enum class TabSwitcherDismissalMode { NONE, NORMAL, INCOGNITO };
// Key of the UMA IOS.MultiWindow.OpenInNewWindow histogram.
const char kMultiWindowOpenInNewWindowHistogram[] =
"IOS.MultiWindow.OpenInNewWindow";
} // namespace
@interface SceneController () <AppStateObserver,
UserFeedbackDataSource,
SettingsNavigationControllerDelegate,
SceneURLLoadingServiceDelegate,
TabGridCoordinatorDelegate,
WebStateListObserving,
LocationPermissionsCommands> {
std::unique_ptr<WebStateListObserverBridge> _webStateListForwardingObserver;
}
// Navigation View controller for the settings.
@property(nonatomic, strong)
SettingsNavigationController* settingsNavigationController;
// The scene level component for url loading. Is passed down to
// browser state level UrlLoadingService instances.
@property(nonatomic, assign) SceneUrlLoadingService* sceneURLLoadingService;
// Returns YES if the settings are presented, either from
// self.settingsNavigationController or from SigninCoordinator.
@property(nonatomic, assign, readonly, getter=isSettingsViewPresented)
BOOL settingsViewPresented;
// Coordinator for displaying history.
@property(nonatomic, strong) HistoryCoordinator* historyCoordinator;
// Coordinates the creation of PDF screenshots with the window's content.
@property(nonatomic, strong) ScreenshotDelegate* screenshotDelegate;
// The tab switcher command and the voice search commands can be sent by views
// that reside in a different UIWindow leading to the fact that the exclusive
// touch property will be ineffective and a command for processing both
// commands may be sent in the same run of the runloop leading to
// inconsistencies. Those two boolean indicate if one of those commands have
// been processed in the last 200ms in order to only allow processing one at
// a time.
// TODO(crbug.com/560296): Provide a general solution for handling mutually
// exclusive chrome commands sent at nearly the same time.
@property(nonatomic, assign) BOOL isProcessingTabSwitcherCommand;
@property(nonatomic, assign) BOOL isProcessingVoiceSearchCommand;
// If not NONE, the current BVC should be switched to this BVC on completion
// of tab switcher dismissal.
@property(nonatomic, assign)
TabSwitcherDismissalMode modeToDisplayOnTabSwitcherDismissal;
// A property to track whether the QR Scanner should be started upon tab
// switcher dismissal. It can only be YES if the QR Scanner experiment is
// enabled.
@property(nonatomic, readwrite)
NTPTabOpeningPostOpeningAction NTPActionAfterTabSwitcherDismissal;
// The main coordinator, lazily created the first time it is accessed. Manages
// the main view controller. This property should not be accessed before the
// browser has started up to the FOREGROUND stage.
@property(nonatomic, strong) TabGridCoordinator* mainCoordinator;
// If YES, the tab switcher is currently active.
@property(nonatomic, assign, getter=isTabSwitcherActive)
BOOL tabSwitcherIsActive;
// YES while animating the dismissal of tab switcher.
@property(nonatomic, assign) BOOL dismissingTabSwitcher;
// Wrangler to handle BVC and tab model creation, access, and related logic.
// Implements features exposed from this object through the
// BrowserViewInformation protocol.
@property(nonatomic, strong) BrowserViewWrangler* browserViewWrangler;
// The coordinator used to control sign-in UI flows. Lazily created the first
// time it is accessed.
@property(nonatomic, strong) SigninCoordinator* signinCoordinator;
@property(nonatomic, strong)
LocationPermissionsCoordinator* locationPermissionsCoordinator;
// Additional product specific data used by UserFeedbackDataSource.
// TODO(crbug.com/1117041): Move this into a UserFeedback config object.
@property(nonatomic, strong)
NSDictionary<NSString*, NSString*>* specificProductData;
@end
@implementation SceneController {
// UI blocker used while FRE is shown in the scene controlled by this object.
std::unique_ptr<ScopedUIBlocker> _firstRunUIBlocker;
}
@synthesize startupParameters = _startupParameters;
- (instancetype)initWithSceneState:(SceneState*)sceneState {
self = [super init];
if (self) {
_sceneState = sceneState;
[_sceneState addObserver:self];
[_sceneState.appState addObserver:self];
// The window is necessary very early in the app/scene lifecycle, so it
// should be created right away.
// When multiwindow is supported, the window is created by SceneDelegate,
// and fetched by SceneState from UIScene's windows.
if (!IsSceneStartupSupported() && !self.sceneState.window) {
self.sceneState.window = [[ChromeOverlayWindow alloc]
initWithFrame:[[UIScreen mainScreen] bounds]];
CustomizeUIWindowAppearance(self.sceneState.window);
}
_sceneURLLoadingService = new SceneUrlLoadingService();
_sceneURLLoadingService->SetDelegate(self);
_webStateListForwardingObserver =
std::make_unique<WebStateListObserverBridge>(self);
// Add agents.
[_sceneState addAgent:[[UIBlockerSceneAgent alloc] init]];
[_sceneState addAgent:[[IncognitoBlockerSceneAgent alloc] init]];
[_sceneState
addAgent:[[IncognitoReauthSceneAgent alloc]
initWithReauthModule:[[ReauthenticationModule alloc]
init]]];
}
return self;
}
#pragma mark - Setters and getters
- (id<BrowsingDataCommands>)browsingDataCommandsHandler {
return HandlerForProtocol(self.sceneState.appState.appCommandDispatcher,
BrowsingDataCommands);
}
- (TabGridCoordinator*)mainCoordinator {
if (!_mainCoordinator) {
// Lazily create the main coordinator.
TabGridCoordinator* tabGridCoordinator = [[TabGridCoordinator alloc]
initWithWindow:self.sceneState.window
applicationCommandEndpoint:self
browsingDataCommandEndpoint:self.browsingDataCommandsHandler
regularBrowser:self.mainInterface.browser
incognitoBrowser:self.incognitoInterface.browser];
_mainCoordinator = tabGridCoordinator;
tabGridCoordinator.regularThumbStripAttacher = self.mainInterface.bvc;
tabGridCoordinator.incognitoThumbStripAttacher =
self.incognitoInterface.bvc;
}
return _mainCoordinator;
}
- (id<BrowserInterface>)mainInterface {
return self.browserViewWrangler.mainInterface;
}
- (id<BrowserInterface>)currentInterface {
return self.browserViewWrangler.currentInterface;
}
- (id<BrowserInterface>)incognitoInterface {
return self.browserViewWrangler.incognitoInterface;
}
- (id<BrowserInterfaceProvider>)interfaceProvider {
return self.browserViewWrangler;
}
- (BOOL)isSettingsViewPresented {
return self.settingsNavigationController ||
self.signinCoordinator.isSettingsViewPresented;
}
#pragma mark - SceneStateObserver
- (void)sceneState:(SceneState*)sceneState
transitionedToActivationLevel:(SceneActivationLevel)level {
AppState* appState = self.sceneState.appState;
if (appState.isInSafeMode) {
// Nothing at all should happen in safe mode. Code in
// appStateDidExitSafeMode will ensure the updates happen once safe mode
// ends.
return;
}
BOOL initializingUIInColdStart = level > SceneActivationLevelBackground &&
!self.sceneState.hasInitializedUI;
if (initializingUIInColdStart) {
[self initializeUI];
if (IsMultiwindowSupported()) {
if (@available(iOS 13, *)) {
// Add the scene to the list of connected scene, to restore in case of
// crashes.
[[PreviousSessionInfo sharedInstance]
addSceneSessionID:sceneState.scene.session.persistentIdentifier];
}
}
}
// When the scene transitions to inactive (such as when it's being shown in
// the OS app-switcher), update the title for display on iPadOS.
if (@available(iOS 13, *)) {
if (level == SceneActivationLevelForegroundInactive) {
sceneState.scene.title = [self displayTitleForAppSwitcher];
}
}
if (level == SceneActivationLevelForegroundActive) {
if (![self presentSigninUpgradePromoIfPossible]) {
[self presentSignInAccountsViewControllerIfNecessary];
}
[self handleExternalIntents];
if (!initializingUIInColdStart && self.tabSwitcherIsActive &&
[self shouldOpenNTPTabOnActivationOfBrowser:self.currentInterface
.browser]) {
DCHECK(!self.dismissingTabSwitcher);
[self beginDismissingTabSwitcherWithCurrentBrowser:self.mainInterface
.browser
focusOmnibox:NO];
OpenNewTabCommand* command = [OpenNewTabCommand commandWithIncognito:NO];
command.userInitiated = NO;
Browser* browser = self.currentInterface.browser;
id<ApplicationCommands> applicationHandler = HandlerForProtocol(
browser->GetCommandDispatcher(), ApplicationCommands);
[applicationHandler openURLInNewTab:command];
[self finishDismissingTabSwitcher];
}
}
[self recordWindowCreationForSceneState:sceneState];
if (self.sceneState.hasInitializedUI &&
level == SceneActivationLevelUnattached) {
if (IsMultiwindowSupported()) {
if (@available(iOS 13, *)) {
if (IsMultipleScenesSupported()) {
// If Multiple scenes are not supported, the session shouldn't be
// removed as it can be used for normal restoration.
[[PreviousSessionInfo sharedInstance]
removeSceneSessionID:sceneState.scene.session
.persistentIdentifier];
}
}
}
[self teardownUI];
}
}
- (void)handleExternalIntents {
if (self.sceneState.appState.startupInformation.isPresentingFirstRunUI ||
self.sceneState.presentingModalOverlay) {
return;
}
if (IsSceneStartupSupported()) {
if (@available(iOS 13, *)) {
// Handle URL opening from
// |UIWindowSceneDelegate scene:willConnectToSession:options:|.
for (UIOpenURLContext* context in self.sceneState.connectionOptions
.URLContexts) {
URLOpenerParams* params =
[[URLOpenerParams alloc] initWithUIOpenURLContext:context];
[self openTabFromLaunchWithParams:params
startupInformation:self.sceneState.appState
.startupInformation
appState:self.sceneState.appState];
}
if (self.sceneState.connectionOptions.shortcutItem) {
[UserActivityHandler
performActionForShortcutItem:self.sceneState.connectionOptions
.shortcutItem
completionHandler:nil
tabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState
.startupInformation
interfaceProvider:self.interfaceProvider];
}
// See if this scene launched as part of a multiwindow URL opening.
// If so, load that URL (this also creates a new tab to load the URL
// in). No other UI will show in this case.
NSUserActivity* activityWithCompletion;
for (NSUserActivity* activity in self.sceneState.connectionOptions
.userActivities) {
if (ActivityIsURLLoad(activity)) {
UrlLoadParams params = LoadParamsFromActivity(activity);
ApplicationMode mode = params.in_incognito
? ApplicationMode::INCOGNITO
: ApplicationMode::NORMAL;
[self openOrReuseTabInMode:mode
withUrlLoadParams:params
tabOpenedCompletion:nil];
} else if (ActivityIsTabMove(activity)) {
NSString* tabID = GetTabIDFromActivity(activity);
MoveTabToBrowser(tabID, self.mainInterface.browser,
/*destination_tab_index=*/0);
} else if (!activityWithCompletion) {
// Completion involves user interaction.
// Only one can be triggered.
activityWithCompletion = activity;
}
}
if (activityWithCompletion) {
// This function is called when the scene is activated (or unblocked).
// Consider the scene as still not active at this point as the handling
// of startup parameters is not yet done (and will be later in this
// function).
[UserActivityHandler
continueUserActivity:activityWithCompletion
applicationIsActive:NO
tabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState.startupInformation
browserState:self.currentInterface.browserState];
}
self.sceneState.connectionOptions = nil;
}
if (self.startupParameters) {
[UserActivityHandler
handleStartupParametersWithTabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState
.startupInformation
browserState:self.currentInterface
.browserState];
}
} else {
NSDictionary* launchOptions =
self.sceneState.appState.startupInformation.launchOptions;
URLOpenerParams* params =
[[URLOpenerParams alloc] initWithLaunchOptions:launchOptions];
[self
openTabFromLaunchWithParams:params
startupInformation:self.sceneState.appState.startupInformation
appState:self.sceneState.appState];
}
}
- (void)recordWindowCreationForSceneState:(SceneState*)sceneState {
// Don't record window creation for single-window environments
if (!IsMultipleScenesSupported())
return;
// Don't record restored window creation.
if (sceneState.currentOrigin == WindowActivityRestoredOrigin)
return;
// If there's only one connected scene, and it isn't being restored, this
// must be the initial app launch with scenes, so don't record the window
// creation.
if (sceneState.appState.connectedScenes.count <= 1)
return;
base::UmaHistogramEnumeration(kMultiWindowOpenInNewWindowHistogram,
sceneState.currentOrigin);
}
- (BOOL)presentSignInAccountsViewControllerIfNecessary {
ChromeBrowserState* browserState = self.currentInterface.browserState;
DCHECK(browserState);
if ([SignedInAccountsViewController
shouldBePresentedForBrowserState:browserState]) {
[self presentSignedInAccountsViewControllerForBrowserState:browserState];
return YES;
}
return NO;
}
- (void)sceneState:(SceneState*)sceneState
hasPendingURLs:(NSSet<UIOpenURLContext*>*)URLContexts
API_AVAILABLE(ios(13)) {
DCHECK(URLContexts);
// It is necessary to reset the URLContextsToOpen after opening them.
// Handle the opening asynchronously to avoid interfering with potential
// other observers.
dispatch_async(dispatch_get_main_queue(), ^{
[self openURLContexts:sceneState.URLContextsToOpen];
self.sceneState.URLContextsToOpen = nil;
});
}
- (void)performActionForShortcutItem:(UIApplicationShortcutItem*)shortcutItem
completionHandler:(void (^)(BOOL succeeded))completionHandler
API_AVAILABLE(ios(13)) {
self.sceneState.startupHadExternalIntent = YES;
[UserActivityHandler
performActionForShortcutItem:shortcutItem
completionHandler:completionHandler
tabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState.startupInformation
interfaceProvider:self.interfaceProvider];
}
- (void)sceneState:(SceneState*)sceneState
receivedUserActivity:(NSUserActivity*)userActivity {
if (self.sceneState.appState.isInSafeMode || !userActivity) {
return;
}
BOOL sceneIsActive =
self.sceneState.activationLevel >= SceneActivationLevelForegroundActive;
if (self.sceneState.appState.startupInformation.isPresentingFirstRunUI ||
self.sceneState.presentingModalOverlay) {
sceneIsActive = NO;
}
self.sceneState.startupHadExternalIntent = YES;
[UserActivityHandler
continueUserActivity:userActivity
applicationIsActive:sceneIsActive
tabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState.startupInformation
browserState:self.currentInterface.browserState];
if (sceneIsActive) {
// It is necessary to reset the pendingUserActivity after handling it.
// Handle the reset asynchronously to avoid interfering with other
// observers.
dispatch_async(dispatch_get_main_queue(), ^{
self.sceneState.pendingUserActivity = nil;
});
}
}
- (void)sceneStateDidHideModalOverlay:(SceneState*)sceneState {
if (self.sceneState.activationLevel >= SceneActivationLevelForegroundActive) {
[self handleExternalIntents];
}
}
#pragma mark - AppStateObserver
- (void)appStateDidExitSafeMode:(AppState*)appState {
// All events were postponed in safe mode. Resend them.
[self sceneState:self.sceneState
transitionedToActivationLevel:self.sceneState.activationLevel];
}
#pragma mark - private
- (void)initializeUI {
if (self.sceneState.hasInitializedUI) {
return;
}
[self startUpChromeUI];
self.sceneState.hasInitializedUI = YES;
}
// Returns YES if restore prompt can be shown.
// The restore prompt shouldn't appear if its appearance may be in conflict
// with the expected behavior by the user.
// The following cases will not show restore prompt:
// 1- New tab / Navigation startup parameters are specified.
// 2- Load URL User activity is queud.
// 3- Move tab user activity is queued.
// In these cases if a restore prompt was shown, it may be dismissed immediately
// and the user will not have a chance to restore the session.
- (BOOL)shouldShowRestorePrompt {
BOOL shouldShow = !self.startupParameters;
if (shouldShow && IsSceneStartupSupported()) {
if (@available(iOS 13, *)) {
for (NSUserActivity* activity in self.sceneState.connectionOptions
.userActivities) {
if (ActivityIsTabMove(activity) || ActivityIsURLLoad(activity)) {
shouldShow = NO;
break;
}
}
}
}
return shouldShow;
}
// Starts up a single chrome window and its UI.
- (void)startUpChromeUI {
DCHECK(!self.browserViewWrangler);
DCHECK(self.sceneURLLoadingService);
DCHECK(self.sceneState.appState.mainBrowserState);
self.browserViewWrangler = [[BrowserViewWrangler alloc]
initWithBrowserState:self.sceneState.appState.mainBrowserState
sceneState:self.sceneState
applicationCommandEndpoint:self
browsingDataCommandEndpoint:self.browsingDataCommandsHandler];
// Ensure the main browser is created. This also creates the BVC.
[self.browserViewWrangler createMainBrowser];
// Add Scene Agent that requires CommandDispatcher.
[self.sceneState
addAgent:[[DefaultBrowserSceneAgent alloc]
initWithCommandDispatcher:self.mainInterface.browser
->GetCommandDispatcher()]];
if (IsSceneStartupSupported() &&
base::FeatureList::IsEnabled(kEnableFullPageScreenshot)) {
if (@available(iOS 13, *)) {
self.screenshotDelegate = [[ScreenshotDelegate alloc]
initWithBrowserInterfaceProvider:self.browserViewWrangler];
[self.sceneState.scene.screenshotService
setDelegate:self.screenshotDelegate];
}
}
// Only create the restoration helper if the session with the current session
// id was backed up successfully.
if (self.sceneState.appState.sessionRestorationRequired) {
if (!IsMultiwindowSupported() ||
[CrashRestoreHelper
isBackedUpSessionID:self.sceneState.sceneSessionID]) {
self.sceneState.appState.startupInformation.restoreHelper =
[[CrashRestoreHelper alloc]
initWithBrowser:self.mainInterface.browser];
}
}
// Before bringing up the UI, make sure the launch mode is correct, and
// check for previous crashes.
BOOL startInIncognito =
[[NSUserDefaults standardUserDefaults] boolForKey:kIncognitoCurrentKey];
BOOL switchFromIncognito =
startInIncognito &&
!self.sceneState.appState.startupInformation.canLaunchInIncognito;
if (self.sceneState.appState.postCrashLaunch || switchFromIncognito) {
[self clearIOSSpecificIncognitoData];
if (switchFromIncognito)
[self.browserViewWrangler
switchGlobalStateToMode:ApplicationMode::NORMAL];
}
if (switchFromIncognito)
startInIncognito = NO;
[self createInitialUI:(startInIncognito ? ApplicationMode::INCOGNITO
: ApplicationMode::NORMAL)];
// By reaching here, it's guaranteed that both Normal and incognito sessions
// were restored. and if it's the first time that multi-window sessions are
// created, the migration was done. Update the Multi-Window flag so it's not
// used again in the same run when creating new windows.
// TODO(crbug.com/1109280): Remove after the migration to Multi-Window
// sessions is done.
[[PreviousSessionInfo sharedInstance] updateMultiWindowSupportStatus];
if ([self shouldShowRestorePrompt]) {
[self.sceneState.appState.startupInformation
.restoreHelper showRestorePrompt];
self.sceneState.appState.startupInformation.restoreHelper = nil;
}
}
// Determines which UI should be shown on startup, and shows it.
- (void)createInitialUI:(ApplicationMode)launchMode {
DCHECK(self.sceneState.appState.mainBrowserState);
// Set the Scene application URL loader on the URL loading browser interface
// for the regular and incognito interfaces. This will lazily instantiate the
// incognito interface if it isn't already created.
UrlLoadingBrowserAgent::FromBrowser(self.mainInterface.browser)
->SetSceneService(self.sceneURLLoadingService);
UrlLoadingBrowserAgent::FromBrowser(self.incognitoInterface.browser)
->SetSceneService(self.sceneURLLoadingService);
// Observe the web state lists for both browsers.
self.mainInterface.browser->GetWebStateList()->AddObserver(
_webStateListForwardingObserver.get());
self.incognitoInterface.browser->GetWebStateList()->AddObserver(
_webStateListForwardingObserver.get());
// Enables UI initializations to query the keyWindow's size.
[self.sceneState.window makeKeyAndVisible];
// Lazy init of mainCoordinator.
[self.mainCoordinator start];
[self.mainCoordinator setActivePage:[self activePage]];
// Decide if the First Run UI needs to run.
const bool firstRun = ShouldPresentFirstRunExperience();
[self.browserViewWrangler switchGlobalStateToMode:launchMode];
Browser* browser;
if (launchMode == ApplicationMode::INCOGNITO) {
browser = self.incognitoInterface.browser;
[self setCurrentInterfaceForMode:ApplicationMode::INCOGNITO];
} else {
browser = self.mainInterface.browser;
[self setCurrentInterfaceForMode:ApplicationMode::NORMAL];
}
// Figure out what UI to show initially.
if (self.tabSwitcherIsActive) {
DCHECK(!self.dismissingTabSwitcher);
[self
beginDismissingTabSwitcherWithCurrentBrowser:self.mainInterface.browser
focusOmnibox:NO];
[self finishDismissingTabSwitcher];
}
// If this is first run, or if this web state list should have an NTP created
// when it activates, then create that tab.
if (firstRun || [self shouldOpenNTPTabOnActivationOfBrowser:browser]) {
OpenNewTabCommand* command = [OpenNewTabCommand
commandWithIncognito:self.currentInterface.incognito];
command.userInitiated = NO;
Browser* browser = self.currentInterface.browser;
id<ApplicationCommands> applicationHandler = HandlerForProtocol(
browser->GetCommandDispatcher(), ApplicationCommands);
[applicationHandler openURLInNewTab:command];
}
// If this is first run, show the first run UI on top of the new tab.
// If this isn't first run, check if the sign-in promo needs to display.
if (firstRun && launchMode != ApplicationMode::INCOGNITO &&
!self.sceneState.appState.startupInformation.isPresentingFirstRunUI) {
[self showFirstRunUI];
// Do not ever show the 'restore' infobar during first run.
self.sceneState.appState.startupInformation.restoreHelper = nil;
}
// If skipping first run and not in Safe Mode, consider showing the default
// browser promo.
if (!firstRun && !self.sceneState.appState.isInSafeMode) {
// Show the Default Browser promo UI if the user's past behavior fits
// the categorization of potentially interested users or if the user is
// signed in. Do not show if it is determined that Chrome is already the
// default browser or if the user has already seen the promo UI.
BOOL isEligibleUser = IsLikelyInterestedDefaultBrowserUser() ||
ios::GetChromeBrowserProvider()
->GetChromeIdentityService()
->HasIdentities();
if (!IsChromeLikelyDefaultBrowser() &&
!HasUserInteractedWithFullscreenPromoBefore() && isEligibleUser) {
self.sceneState.appState.shouldShowDefaultBrowserPromo = YES;
}
}
}
// This method completely destroys all of the UI. It should be called when the
// scene is disconnected.
- (void)teardownUI {
if (!self.sceneState.hasInitializedUI) {
return; // Nothing to do.
}
// The UI should be stopped before the models they observe are stopped.
[self.signinCoordinator
interruptWithAction:SigninCoordinatorInterruptActionNoDismiss
completion:nil];
self.signinCoordinator = nil;
[self.historyCoordinator stop];
self.historyCoordinator = nil;
// Force close the settings if open. This gives Settings the opportunity to
// unregister observers and destroy C++ objects before the application is
// shut down without depending on non-deterministic call to -dealloc.
[self settingsWasDismissed];
[_mainCoordinator stop];
_mainCoordinator = nil;
// Stop observing web state list changes before tearing down the web state
// lists.
self.mainInterface.browser->GetWebStateList()->RemoveObserver(
_webStateListForwardingObserver.get());
self.incognitoInterface.browser->GetWebStateList()->RemoveObserver(
_webStateListForwardingObserver.get());
[self.browserViewWrangler shutdown];
self.browserViewWrangler = nil;
self.sceneState.hasInitializedUI = NO;
[self.sceneState.appState removeObserver:self];
}
// Formats string for display on iPadOS application switcher with the
// domain of the foreground tab and the tab count. Assumes the scene is
// visible. Will return nil if there are no tabs.
- (NSString*)displayTitleForAppSwitcher {
DCHECK(self.currentInterface.browser);
web::WebState* webState =
self.currentInterface.browser->GetWebStateList()->GetActiveWebState();
if (!webState)
return nil;
// At this point there is at least one tab.
int numberOfTabs = self.currentInterface.browser->GetWebStateList()->count();
DCHECK(numberOfTabs > 0);
GURL url = webState->GetVisibleURL();
base::string16 urlText = url_formatter::FormatUrl(
url,
url_formatter::kFormatUrlOmitDefaults |
url_formatter::kFormatUrlOmitTrivialSubdomains |
url_formatter::kFormatUrlOmitHTTPS |
url_formatter::kFormatUrlTrimAfterHost,
net::UnescapeRule::SPACES, nullptr, nullptr, nullptr);
base::string16 pattern =
l10n_util::GetStringUTF16(IDS_IOS_APP_SWITCHER_SCENE_TITLE);
base::string16 formattedTitle =
base::i18n::MessageFormatter::FormatWithNamedArgs(
pattern, "domain", urlText, "count", numberOfTabs - 1);
return base::SysUTF16ToNSString(formattedTitle);
}
- (void)logLocationPermissionsExperimentForGroupShown:
(LocationPermissionsUI)experimentGroup {
UMA_HISTOGRAM_ENUMERATION("IOS.LocationPermissionsUI", experimentGroup);
}
#pragma mark - First Run
// Initializes the first run UI and presents it to the user.
- (void)showFirstRunUI {
DCHECK(!self.signinCoordinator);
DCHECK(!_firstRunUIBlocker);
_firstRunUIBlocker = std::make_unique<ScopedUIBlocker>(self.sceneState);
// Register for the first run dismissal notification to reset
// |sceneState.presentingFirstRunUI| flag;
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(handleFirstRunUIWillFinish)
name:kChromeFirstRunUIWillFinishNotification
object:nil];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(handleFirstRunUIDidFinish)
name:kChromeFirstRunUIDidFinishNotification
object:nil];
Browser* browser = self.mainInterface.browser;
id<ApplicationCommands, BrowsingDataCommands> welcomeHandler =
static_cast<id<ApplicationCommands, BrowsingDataCommands>>(
browser->GetCommandDispatcher());
WelcomeToChromeViewController* welcomeToChrome =
[[WelcomeToChromeViewController alloc]
initWithBrowser:browser
presenter:self.mainInterface.bvc
dispatcher:welcomeHandler];
UINavigationController* navController =
[[OrientationLimitingNavigationController alloc]
initWithRootViewController:welcomeToChrome];
[navController setModalTransitionStyle:UIModalTransitionStyleCrossDissolve];
navController.modalPresentationStyle = UIModalPresentationFullScreen;
CGRect appFrame = [[UIScreen mainScreen] bounds];
[[navController view] setFrame:appFrame];
self.sceneState.presentingFirstRunUI = YES;
[self.mainInterface.viewController presentViewController:navController
animated:NO
completion:nil];
}
// Sets a LocalState pref marking the TOS EULA as accepted.
- (void)markEulaAsAccepted {
PrefService* prefs = GetApplicationContext()->GetLocalState();
if (!prefs->GetBoolean(prefs::kEulaAccepted))
prefs->SetBoolean(prefs::kEulaAccepted, true);
prefs->CommitPendingWrite();
}
- (void)handleFirstRunUIWillFinish {
[self markEulaAsAccepted];
DCHECK(self.sceneState.presentingFirstRunUI);
_firstRunUIBlocker.reset();
self.sceneState.presentingFirstRunUI = NO;
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:kChromeFirstRunUIWillFinishNotification
object:nil];
if (self.sceneState.activationLevel >= SceneActivationLevelForegroundActive) {
[self handleExternalIntents];
}
}
// Handles the notification that first run modal dialog UI completed.
- (void)handleFirstRunUIDidFinish {
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:kChromeFirstRunUIDidFinishNotification
object:nil];
if (!location_permissions_field_trial::IsInRemoveFirstRunPromptGroup() &&
!location_permissions_field_trial::IsInFirstRunModalGroup()) {
[self logLocationPermissionsExperimentForGroupShown:
LocationPermissionsUI::kFirstRunPromptNotShown];
// As soon as First Run has finished, give OmniboxGeolocationController an
// opportunity to present the iOS system location alert.
[[OmniboxGeolocationController sharedInstance]
triggerSystemPromptForNewUser:YES];
}
}
// Presents the sign-in upgrade promo if is relevant and possible.
// Returns YES if the promo is shown.
- (BOOL)presentSigninUpgradePromoIfPossible {
if (!SigninShouldPresentUserSigninUpgrade(
self.sceneState.appState.mainBrowserState))
return NO;
// Don't show promos if first run is shown in any scene. (Note: This flag
// is only YES while the first run UI is visible. However, as this function
// is called immediately after the UI is shown, it's a safe check.)
for (SceneState* sceneState in self.sceneState.appState.connectedScenes) {
if (sceneState.presentingFirstRunUI) {
return NO;
}
}
// Don't show the promo if there is a blocking task in process.
if (self.sceneState.appState.currentUIBlocker)
return NO;
// Don't show the promo in Incognito mode.
if (self.currentInterface == self.incognitoInterface)
return NO;
// Don't show promos if the app was launched from a URL.
if (self.startupParameters)
return NO;
// Don't show the promo if the window is not active.
if (self.sceneState.activationLevel < SceneActivationLevelForegroundActive)
return NO;
// Don't show the promo if already presented.
if (self.sceneState.appState.signinUpgradePromoPresentedOnce)
return NO;
self.sceneState.appState.signinUpgradePromoPresentedOnce = YES;
DCHECK(!self.signinCoordinator);
Browser* browser = self.mainInterface.browser;
self.signinCoordinator = [SigninCoordinator
upgradeSigninPromoCoordinatorWithBaseViewController:self.mainInterface
.viewController
browser:browser];
[self startSigninCoordinatorWithCompletion:nil];
return YES;
}
#pragma mark - ApplicationCommands
- (void)dismissModalDialogs {
[self dismissModalDialogsWithCompletion:nil dismissOmnibox:YES];
}
- (void)showHistory {
self.historyCoordinator = [[HistoryCoordinator alloc]
initWithBaseViewController:self.currentInterface.viewController
browser:self.mainInterface.browser];
self.historyCoordinator.loadStrategy =
self.currentInterface.incognito ? UrlLoadStrategy::ALWAYS_IN_INCOGNITO
: UrlLoadStrategy::NORMAL;
[self.historyCoordinator start];
}
// Opens an url from a link in the settings UI.
- (void)closeSettingsUIAndOpenURL:(OpenNewTabCommand*)command {
DCHECK([command fromChrome]);
UrlLoadParams params = UrlLoadParams::InNewTab([command URL]);
params.web_params.transition_type = ui::PAGE_TRANSITION_TYPED;
ProceduralBlock completion = ^{
[self dismissModalsAndOpenSelectedTabInMode:ApplicationModeForTabOpening::
NORMAL
withUrlLoadParams:params
dismissOmnibox:YES
completion:nil];
};
[self closeSettingsAnimated:YES completion:completion];
}
- (void)closeSettingsUI {
[self closeSettingsAnimated:YES completion:nullptr];
}
- (void)prepareTabSwitcher {
web::WebState* currentWebState =
self.currentInterface.browser->GetWebStateList()->GetActiveWebState();
if (currentWebState) {
BOOL loading = currentWebState->IsLoading();
SnapshotTabHelper::FromWebState(currentWebState)
->UpdateSnapshotWithCallback(^(UIImage* snapshot) {
EnterTabSwitcherSnapshotResult snapshotResult;
if (loading && !snapshot) {
snapshotResult =
EnterTabSwitcherSnapshotResult::kPageLoadingAndSnapshotFailed;
} else if (loading && snapshot) {
snapshotResult = EnterTabSwitcherSnapshotResult::
kPageLoadingAndSnapshotSucceeded;
} else if (!loading && !snapshot) {
snapshotResult = EnterTabSwitcherSnapshotResult::
kPageNotLoadingAndSnapshotFailed;
} else {
DCHECK(!loading && snapshot);
snapshotResult = EnterTabSwitcherSnapshotResult::
kPageNotLoadingAndSnapshotSucceeded;
}
UMA_HISTOGRAM_ENUMERATION("IOS.EnterTabSwitcherSnapshotResult",
snapshotResult);
});
}
[self.mainCoordinator prepareToShowTabGrid];
}
- (void)displayTabSwitcherInGridLayout {
if (!IsThumbStripEnabled()) {
// When the thumb strip feature is enabled, |self.tabSwitcherIsActive| could
// be YES if the tab switcher button is tapped while the thumb strip is
// visible, or it could be NO if tapped while thumb strip is hidden.
// Otherwise, when the thumb strip feature is disabled,
// |self.tabSwitcherIsActive| should always be NO at this point in code.
DCHECK(!self.tabSwitcherIsActive);
}
if (!self.isProcessingVoiceSearchCommand) {
[self.currentInterface.bvc userEnteredTabSwitcher];
[self showTabSwitcher];
self.isProcessingTabSwitcherCommand = YES;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
kExpectedTransitionDurationInNanoSeconds),
dispatch_get_main_queue(), ^{
self.isProcessingTabSwitcherCommand = NO;
});
}
}
// TODO(crbug.com/779791) : Remove showing settings from MainController.
- (void)showAutofillSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController)
return;
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController autofillProfileControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
- (void)showReportAnIssueFromViewController:
(UIViewController*)baseViewController
sender:(UserFeedbackSender)sender {
[self showReportAnIssueFromViewController:baseViewController
sender:sender
specificProductData:nil];
}
- (void)
showReportAnIssueFromViewController:(UIViewController*)baseViewController
sender:(UserFeedbackSender)sender
specificProductData:(NSDictionary<NSString*, NSString*>*)
specificProductData {
DCHECK(baseViewController);
self.specificProductData = specificProductData;
// This dispatch is necessary to give enough time for the tools menu to
// disappear before taking a screenshot.
dispatch_async(dispatch_get_main_queue(), ^{
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController)
return;
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController userFeedbackControllerForBrowser:browser
delegate:self
feedbackDataSource:self
sender:sender
handler:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
});
}
- (void)openURLInNewTab:(OpenNewTabCommand*)command {
UrlLoadParams params =
UrlLoadParams::InNewTab(command.URL, command.virtualURL);
params.SetInBackground(command.inBackground);
params.web_params.referrer = command.referrer;
params.in_incognito = command.inIncognito;
params.append_to = command.appendTo;
params.origin_point = command.originPoint;
params.from_chrome = command.fromChrome;
params.user_initiated = command.userInitiated;
params.should_focus_omnibox = command.shouldFocusOmnibox;
self.sceneURLLoadingService->LoadUrlInNewTab(params);
}
// TODO(crbug.com/779791) : Do not pass |baseViewController| through dispatcher.
- (void)showSignin:(ShowSigninCommand*)command
baseViewController:(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
Browser* mainBrowser = self.mainInterface.browser;
switch (command.operation) {
case AUTHENTICATION_OPERATION_REAUTHENTICATE:
self.signinCoordinator = [SigninCoordinator
reAuthenticationCoordinatorWithBaseViewController:baseViewController
browser:mainBrowser
accessPoint:command.accessPoint
promoAction:command
.promoAction];
break;
case AUTHENTICATION_OPERATION_SIGNIN:
self.signinCoordinator = [SigninCoordinator
userSigninCoordinatorWithBaseViewController:baseViewController
browser:mainBrowser
identity:command.identity
accessPoint:command.accessPoint
promoAction:command.promoAction];
break;
case AUTHENTICATION_OPERATION_ADD_ACCOUNT:
self.signinCoordinator = [SigninCoordinator
addAccountCoordinatorWithBaseViewController:baseViewController
browser:mainBrowser
accessPoint:command.accessPoint];
break;
}
[self startSigninCoordinatorWithCompletion:command.callback];
}
- (void)showAdvancedSigninSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
Browser* mainBrowser = self.mainInterface.browser;
self.signinCoordinator = [SigninCoordinator
advancedSettingsSigninCoordinatorWithBaseViewController:baseViewController
browser:mainBrowser];
[self startSigninCoordinatorWithCompletion:^(BOOL success) {
if (location_permissions_field_trial::IsInFirstRunModalGroup()) {
[self showLocationPermissionsFromViewController:baseViewController];
}
}];
}
- (void)showLocationPermissionsFromViewController:
(UIViewController*)baseViewController {
[self logLocationPermissionsExperimentForGroupShown:LocationPermissionsUI::
kFirstRunModal];
self.locationPermissionsCoordinator = [[LocationPermissionsCoordinator alloc]
initWithBaseViewController:baseViewController
browser:self.mainInterface.browser];
self.locationPermissionsCoordinator.handler = self;
[self.locationPermissionsCoordinator start];
}
- (void)dismissLocationPermissionsExplanationModal {
[self.locationPermissionsCoordinator stop];
self.locationPermissionsCoordinator = nil;
}
- (void)
showTrustedVaultReauthenticationFromViewController:
(UIViewController*)baseViewController
retrievalTrigger:
(syncer::KeyRetrievalTriggerForUMA)
retrievalTrigger {
DCHECK(!self.signinCoordinator);
Browser* mainBrowser = self.mainInterface.browser;
self.signinCoordinator = [SigninCoordinator
trustedVaultReAuthenticationCoordiantorWithBaseViewController:
baseViewController
browser:mainBrowser
retrievalTrigger:
retrievalTrigger];
[self startSigninCoordinatorWithCompletion:nil];
}
// TODO(crbug.com/779791) : Remove settings commands from MainController.
- (void)showAddAccountFromViewController:(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
self.signinCoordinator = [SigninCoordinator
addAccountCoordinatorWithBaseViewController:baseViewController
browser:self.mainInterface.browser
accessPoint:signin_metrics::AccessPoint::
ACCESS_POINT_UNKNOWN];
[self startSigninCoordinatorWithCompletion:nil];
}
- (void)showConsistencyPromoFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
self.signinCoordinator = [SigninCoordinator
consistencyPromoSigninCoordinatorWithBaseViewController:baseViewController
browser:self.mainInterface
.browser];
[self startSigninCoordinatorWithCompletion:nil];
}
- (void)showSigninAccountNotificationFromViewController:
(UIViewController*)baseViewController {
web::WebState* webState =
self.mainInterface.browser->GetWebStateList()->GetActiveWebState();
DCHECK(webState);
infobars::InfoBarManager* infoBarManager =
InfoBarManagerImpl::FromWebState(webState);
DCHECK(infoBarManager);
SigninNotificationInfoBarDelegate::Create(
infoBarManager, self.mainInterface.browser->GetBrowserState(), self,
baseViewController);
}
- (void)setIncognitoContentVisible:(BOOL)incognitoContentVisible {
self.sceneState.incognitoContentVisible = incognitoContentVisible;
}
- (void)startVoiceSearch {
if (!self.isProcessingTabSwitcherCommand) {
[self startVoiceSearchInCurrentBVC];
self.isProcessingVoiceSearchCommand = YES;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
kExpectedTransitionDurationInNanoSeconds),
dispatch_get_main_queue(), ^{
self.isProcessingVoiceSearchCommand = NO;
});
}
}
- (void)showSettingsFromViewController:(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController)
return;
[[DeferredInitializationRunner sharedInstance]
runBlockIfNecessary:kPrefObserverInit];
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController mainSettingsControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
- (void)openNewWindowWithActivity:(NSUserActivity*)userActivity {
if (!IsMultipleScenesSupported())
return; // silent no-op.
if (@available(iOS 13, *)) {
UISceneActivationRequestOptions* options =
[[UISceneActivationRequestOptions alloc] init];
options.requestingScene = self.sceneState.scene;
[UIApplication.sharedApplication
requestSceneSessionActivation:nil /* make a new scene */
userActivity:userActivity
options:options
errorHandler:nil];
}
}
#pragma mark - ApplicationSettingsCommands
// TODO(crbug.com/779791) : Remove show settings from MainController.
- (void)showAccountsSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (!baseViewController) {
DCHECK_EQ(self.currentInterface.viewController,
self.mainCoordinator.activeViewController);
baseViewController = self.currentInterface.viewController;
}
if (self.currentInterface.incognito) {
NOTREACHED();
return;
}
if (self.settingsNavigationController) {
[self.settingsNavigationController
showAccountsSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController accountsControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
// TODO(crbug.com/779791) : Remove Google services settings from MainController.
- (void)showGoogleServicesSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (!baseViewController) {
DCHECK_EQ(self.currentInterface.viewController,
self.mainCoordinator.activeViewController);
baseViewController = self.currentInterface.viewController;
}
if (self.settingsNavigationController) {
// Navigate to the Google services settings if the settings dialog is
// already opened.
[self.settingsNavigationController
showGoogleServicesSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController googleServicesControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
// TODO(crbug.com/779791) : Remove show settings commands from MainController.
- (void)showSyncPassphraseSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController) {
[self.settingsNavigationController
showSyncPassphraseSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController syncPassphraseControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
// TODO(crbug.com/779791) : Remove show settings commands from MainController.
- (void)showSavedPasswordsSettingsFromViewController:
(UIViewController*)baseViewController {
if (!baseViewController) {
// TODO(crbug.com/779791): Don't pass base view controller through
// dispatched command.
baseViewController = self.currentInterface.viewController;
}
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController) {
[self.settingsNavigationController
showSavedPasswordsSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController savePasswordsControllerForBrowser:browser
delegate:self
startPasswordCheckAutomatically:NO];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
- (void)showSavedPasswordsSettingsAndStartPasswordCheckFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
[self dismissModalDialogs];
if (self.settingsNavigationController) {
[self.settingsNavigationController
showSavedPasswordsSettingsAndStartPasswordCheckFromViewController:
baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController savePasswordsControllerForBrowser:browser
delegate:self
startPasswordCheckAutomatically:YES];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
// TODO(crbug.com/779791) : Remove show settings commands from MainController.
- (void)showProfileSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController) {
[self.settingsNavigationController
showProfileSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController =
[SettingsNavigationController autofillProfileControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
// TODO(crbug.com/779791) : Remove show settings commands from MainController.
- (void)showCreditCardSettingsFromViewController:
(UIViewController*)baseViewController {
DCHECK(!self.signinCoordinator);
if (self.settingsNavigationController) {
[self.settingsNavigationController
showCreditCardSettingsFromViewController:baseViewController];
return;
}
Browser* browser = self.mainInterface.browser;
self.settingsNavigationController = [SettingsNavigationController
autofillCreditCardControllerForBrowser:browser
delegate:self];
[baseViewController presentViewController:self.settingsNavigationController
animated:YES
completion:nil];
}
#pragma mark - UserFeedbackDataSource
- (BOOL)currentPageIsIncognito {
return self.currentInterface.incognito;
}
- (NSString*)currentPageDisplayURL {
if (self.tabSwitcherIsActive)
return nil;
web::WebState* webState =
self.currentInterface.browser->GetWebStateList()->GetActiveWebState();
if (!webState)
return nil;
// Returns URL of browser tab that is currently showing.
GURL url = webState->GetVisibleURL();
base::string16 urlText = url_formatter::FormatUrl(url);
return base::SysUTF16ToNSString(urlText);
}
- (UIImage*)currentPageScreenshot {
UIView* lastView = self.mainCoordinator.activeViewController.view;
DCHECK(lastView);
CGFloat scale = 0.0;
// For screenshots of the tab switcher we need to use a scale of 1.0 to avoid
// spending too much time since the tab switcher can have lots of subviews.
if (self.tabSwitcherIsActive)
scale = 1.0;
return CaptureView(lastView, scale);
}
- (NSString*)currentPageSyncedUserName {
ChromeBrowserState* browserState = self.currentInterface.browserState;
if (browserState->IsOffTheRecord())
return nil;
signin::IdentityManager* identity_manager =
IdentityManagerFactory::GetForBrowserState(browserState);
std::string username = identity_manager->GetPrimaryAccountInfo().email;
return username.empty() ? nil : base::SysUTF8ToNSString(username);
}
- (NSDictionary<NSString*, NSString*>*)specificProductData {
return _specificProductData;
}
#pragma mark - SettingsNavigationControllerDelegate
- (void)closeSettings {
[self closeSettingsUI];
}
- (void)settingsWasDismissed {
[self.settingsNavigationController cleanUpSettings];
self.settingsNavigationController = nil;
}
- (id<ApplicationCommands, BrowserCommands>)handlerForSettings {
// Assume that settings always wants the dispatcher from the main BVC.
return static_cast<id<ApplicationCommands, BrowserCommands>>(
self.mainInterface.browser->GetCommandDispatcher());
}
#pragma mark - TabGridCoordinatorDelegate
- (void)tabGrid:(TabGridCoordinator*)tabGrid
shouldFinishWithBrowser:(Browser*)browser
focusOmnibox:(BOOL)focusOmnibox {
[self beginDismissingTabSwitcherWithCurrentBrowser:browser
focusOmnibox:focusOmnibox];
}
- (void)tabGridDismissTransitionDidEnd:(TabGridCoordinator*)tabGrid {
[self finishDismissingTabSwitcher];
}
// Begins the process of dismissing the tab switcher with the given current
// model, switching which BVC is suspended if necessary, but not updating the
// UI. The omnibox will be focused after the tab switcher dismissal is
// completed if |focusOmnibox| is YES.
- (void)beginDismissingTabSwitcherWithCurrentBrowser:(Browser*)browser
focusOmnibox:(BOOL)focusOmnibox {
DCHECK(browser == self.mainInterface.browser ||
browser == self.incognitoInterface.browser);
self.dismissingTabSwitcher = YES;
ApplicationMode mode = (browser == self.mainInterface.browser)
? ApplicationMode::NORMAL
: ApplicationMode::INCOGNITO;
[self setCurrentInterfaceForMode:mode];
// The call to set currentBVC above does not actually display the BVC, because
// _dismissingTabSwitcher is YES. So: Force the BVC transition to start.
[self displayCurrentBVCAndFocusOmnibox:focusOmnibox];
}
// Completes the process of dismissing the tab switcher, removing it from the
// screen and showing the appropriate BVC.
- (void)finishDismissingTabSwitcher {
// In real world devices, it is possible to have an empty tab model at the
// finishing block of a BVC presentation animation. This can happen when the
// following occur: a) There is JS that closes the last incognito tab, b) that
// JS was paused while the user was in the tab switcher, c) the user enters
// the tab, activating the JS while the tab is being presented. Effectively,
// the BVC finishes the presentation animation, but there are no tabs to
// display. The only appropriate action is to dismiss the BVC and return the
// user to the tab switcher.
if (self.currentInterface.browser &&
self.currentInterface.browser->GetWebStateList() &&
self.currentInterface.browser->GetWebStateList()->count() == 0U) {
self.tabSwitcherIsActive = NO;
self.dismissingTabSwitcher = NO;
self.modeToDisplayOnTabSwitcherDismissal = TabSwitcherDismissalMode::NONE;
self.NTPActionAfterTabSwitcherDismissal = NO_ACTION;
[self showTabSwitcher];
return;
}
// The tab switcher dismissal animation runs
// as part of the BVC presentation process. The BVC is presented before the
// animations begin, so it should be the current active VC at this point.
DCHECK_EQ(self.mainCoordinator.activeViewController,
self.currentInterface.viewController);
if (self.modeToDisplayOnTabSwitcherDismissal ==
TabSwitcherDismissalMode::NORMAL) {
[self setCurrentInterfaceForMode:ApplicationMode::NORMAL];
} else if (self.modeToDisplayOnTabSwitcherDismissal ==
TabSwitcherDismissalMode::INCOGNITO) {
[self setCurrentInterfaceForMode:ApplicationMode::INCOGNITO];
}
self.modeToDisplayOnTabSwitcherDismissal = TabSwitcherDismissalMode::NONE;
ProceduralBlock action = [self completionBlockForTriggeringAction:
self.NTPActionAfterTabSwitcherDismissal];
self.NTPActionAfterTabSwitcherDismissal = NO_ACTION;
if (action) {
action();
}
self.tabSwitcherIsActive = NO;
self.dismissingTabSwitcher = NO;
}
#pragma mark Tab opening utility methods.
- (ProceduralBlock)completionBlockForTriggeringAction:
(NTPTabOpeningPostOpeningAction)action {
switch (action) {
case START_VOICE_SEARCH:
return ^{
[self startVoiceSearchInCurrentBVC];
};
case START_QR_CODE_SCANNER:
return ^{
if (!self.currentInterface.browser) {
return;
}
id<QRScannerCommands> QRHandler = HandlerForProtocol(
self.currentInterface.browser->GetCommandDispatcher(),
QRScannerCommands);
[QRHandler showQRScanner];
};
case FOCUS_OMNIBOX:
return ^{
if (!self.currentInterface.browser) {
return;
}
id<OmniboxCommands> focusHandler = HandlerForProtocol(
self.currentInterface.browser->GetCommandDispatcher(),
OmniboxCommands);
[focusHandler focusOmnibox];
};
default:
return nil;
}
}
// Starts a voice search on the current BVC.
- (void)startVoiceSearchInCurrentBVC {
// If the background (non-current) BVC is playing TTS audio, call
// -startVoiceSearch on it to stop the TTS.
BrowserViewController* backgroundBVC =
self.mainInterface == self.currentInterface ? self.incognitoInterface.bvc
: self.mainInterface.bvc;
if (backgroundBVC.playingTTS)
[backgroundBVC startVoiceSearch];
else
[self.currentInterface.bvc startVoiceSearch];
}
#pragma mark - TabSwitching
- (BOOL)openNewTabFromTabSwitcher {
if (!self.mainCoordinator)
return NO;
UrlLoadParams urlLoadParams =
UrlLoadParams::InNewTab(GURL(kChromeUINewTabURL));
urlLoadParams.web_params.transition_type = ui::PAGE_TRANSITION_TYPED;
[self addANewTabAndPresentBrowser:self.mainInterface.browser
withURLLoadParams:urlLoadParams];
return YES;
}
#pragma mark - TabOpening implementation.
- (void)dismissModalsAndOpenSelectedTabInMode:
(ApplicationModeForTabOpening)targetMode
withUrlLoadParams:
(const UrlLoadParams&)urlLoadParams
dismissOmnibox:(BOOL)dismissOmnibox
completion:(ProceduralBlock)completion {
UrlLoadParams copyOfUrlLoadParams = urlLoadParams;
[self
dismissModalDialogsWithCompletion:^{
[self openSelectedTabInMode:targetMode
withUrlLoadParams:copyOfUrlLoadParams
completion:completion];
}
dismissOmnibox:dismissOmnibox];
}
- (void)dismissModalsAndOpenMultipleTabsInMode:
(ApplicationModeForTabOpening)targetMode
URLs:(const std::vector<GURL>&)URLs
dismissOmnibox:(BOOL)dismissOmnibox
completion:(ProceduralBlock)completion {
__weak SceneController* weakSelf = self;
std::vector<GURL> copyURLs = URLs;
id<BrowserInterface> targetInterface =
[self extractInterfaceBaseOnMode:targetMode];
web::WebState* currentWebState =
targetInterface.browser->GetWebStateList()->GetActiveWebState();
if (currentWebState) {
web::NavigationManager* navigation_manager =
currentWebState->GetNavigationManager();
// Check if the current tab is in the procress of restoration and whether it
// is an NTP. If so, add the tabs-opening action to the
// RestoreCompletionCallback queue so that the tabs are opened only after
// the NTP finishes restoring. This is to avoid an edge where multiple tabs
// are trying to open in the middle of NTP restoration, as this will cause
// all tabs trying to load into the same NTP, causing a race condition that
// results in wrong behavior.
if (navigation_manager->IsRestoreSessionInProgress() &&
IsURLNtp(currentWebState->GetVisibleURL())) {
navigation_manager->AddRestoreCompletionCallback(base::BindOnce(^{
[self
dismissModalDialogsWithCompletion:^{
[weakSelf openMultipleTabsInMode:targetMode
URLs:copyURLs
completion:completion];
}
dismissOmnibox:dismissOmnibox];
}));
return;
}
}
[self
dismissModalDialogsWithCompletion:^{
[weakSelf openMultipleTabsInMode:targetMode
URLs:copyURLs
completion:completion];
}
dismissOmnibox:dismissOmnibox];
}
- (void)openTabFromLaunchWithParams:(URLOpenerParams*)params
startupInformation:(id<StartupInformation>)startupInformation
appState:(AppState*)appState {
if (params) {
[URLOpener handleLaunchOptions:params
tabOpener:self
connectionInformation:self
startupInformation:startupInformation
appState:appState];
}
}
- (BOOL)URLIsOpenedInRegularMode:(const GURL&)URL {
WebStateList* webStateList = self.mainInterface.browser->GetWebStateList();
return webStateList && webStateList->GetIndexOfWebStateWithURL(URL) !=
WebStateList::kInvalidIndex;
}
- (BOOL)shouldOpenNTPTabOnActivationOfBrowser:(Browser*)browser {
// Check if there are pending actions that would result in opening a new tab.
// In that case, it is not useful to open another tab.
if (IsSceneStartupSupported()) {
if (@available(iOS 13, *)) {
for (NSUserActivity* activity in self.sceneState.connectionOptions
.userActivities) {
if (ActivityIsURLLoad(activity) || ActivityIsTabMove(activity)) {
return NO;
}
}
}
}
if (self.startupParameters) {
return NO;
}
if (self.tabSwitcherIsActive) {
Browser* mainBrowser = self.mainInterface.browser;
Browser* otrBrowser = self.incognitoInterface.browser;
// Only attempt to dismiss the tab switcher and open a new tab if:
// - there are no tabs open in either tab model, and
// - the tab switcher controller is not directly or indirectly presenting
// another view controller.
if (!(mainBrowser->GetWebStateList()->empty()) ||
!(otrBrowser->GetWebStateList()->empty()))
return NO;
// If the tabSwitcher is contained, check if the parent container is
// presenting another view controller.
if ([self.mainCoordinator.baseViewController
.parentViewController presentedViewController]) {
return NO;
}
// Check if the tabSwitcher is directly presenting another view controller.
if (self.mainCoordinator.baseViewController.presentedViewController) {
return NO;
}
return YES;
}
return browser->GetWebStateList()->empty();
}
#pragma mark - SceneURLLoadingServiceDelegate
// Note that the current tab of |browserCoordinator|'s BVC will normally be
// reloaded by this method. If a new tab is about to be added, call
// expectNewForegroundTab on the BVC first to avoid extra work and possible page
// load side-effects for the tab being replaced.
- (void)setCurrentInterfaceForMode:(ApplicationMode)mode {
DCHECK(self.interfaceProvider);
BOOL incognitio = mode == ApplicationMode::INCOGNITO;
id<BrowserInterface> currentInterface =
self.interfaceProvider.currentInterface;
id<BrowserInterface> newInterface =
incognitio ? self.interfaceProvider.incognitoInterface
: self.interfaceProvider.mainInterface;
if (currentInterface && currentInterface == newInterface)
return;
// Update the snapshot before switching another application mode. This
// ensures that the snapshot is correct when links are opened in a different
// application mode.
[self updateActiveWebStateSnapshot];
self.interfaceProvider.currentInterface = newInterface;
if (!self.dismissingTabSwitcher)
[self displayCurrentBVCAndFocusOmnibox:NO];
// Tell the BVC that was made current that it can use the web.
[self activateBVCAndMakeCurrentBVCPrimary];
}
- (void)dismissModalDialogsWithCompletion:(ProceduralBlock)completion
dismissOmnibox:(BOOL)dismissOmnibox {
// Immediately hide modals from the provider (alert views, action sheets,
// popovers). They will be ultimately dismissed by their owners, but at least,
// they are not visible.
ios::GetChromeBrowserProvider()->HideModalViewStack();
// ChromeIdentityService is responsible for the dialogs displayed by the
// services it wraps.
ios::GetChromeBrowserProvider()->GetChromeIdentityService()->DismissDialogs();
// MailtoHandlerProvider is responsible for the dialogs displayed by the
// services it wraps.
ios::GetChromeBrowserProvider()
->GetMailtoHandlerProvider()
->DismissAllMailtoHandlerInterfaces();
// Then, depending on what the SSO view controller is presented on, dismiss
// it.
ProceduralBlock completionWithBVC = ^{
DCHECK(self.currentInterface.viewController);
DCHECK(!self.tabSwitcherIsActive);
DCHECK(!self.signinCoordinator);
// This will dismiss the SSO view controller.
[self.interfaceProvider.currentInterface
clearPresentedStateWithCompletion:completion
dismissOmnibox:dismissOmnibox];
};
ProceduralBlock completionWithoutBVC = ^{
// |self.currentInterface.bvc| may exist but tab switcher should be
// active.
DCHECK(self.tabSwitcherIsActive);
DCHECK(!self.signinCoordinator);
// History coordinator can be started on top of the tab grid.
// This is not true of the other tab switchers.
DCHECK(self.mainCoordinator);
[self.mainCoordinator stopChildCoordinatorsWithCompletion:completion];
};
// Select a completion based on whether the BVC is shown.
ProceduralBlock chosenCompletion =
self.tabSwitcherIsActive ? completionWithoutBVC : completionWithBVC;
if (self.isSettingsViewPresented) {
// In this case, the settings are up and the BVC is showing. Close the
// settings then call the chosen completion.
[self closeSettingsAnimated:NO completion:chosenCompletion];
} else if (self.signinCoordinator) {
// The sign-in screen is showing, interrupt it and call the chosen
// completion.
[self interruptSigninCoordinatorAnimated:NO completion:chosenCompletion];
} else {
// Does not require a special case. Run the chosen completion.
chosenCompletion();
}
// Verify that no modal views are left presented.
ios::GetChromeBrowserProvider()->LogIfModalViewsArePresented();
}
- (void)openMultipleTabsInMode:
(ApplicationModeForTabOpening)tabOpeningTargetMode
URLs:(const std::vector<GURL>&)URLs
completion:(ProceduralBlock)completion {
[self recursiveOpenURLs:URLs
inMode:tabOpeningTargetMode
currentIndex:0
totalCount:URLs.size()
completion:completion];
}
// Call |dismissModalsAndOpenSelectedTabInMode| recursively to open the list of
// URLs contained in |URLs|. Achieved through chaining
// |dismissModalsAndOpenSelectedTabInMode| in its completion handler.
- (void)recursiveOpenURLs:(const std::vector<GURL>&)URLs
inMode:(ApplicationModeForTabOpening)mode
currentIndex:(size_t)currentIndex
totalCount:(size_t)totalCount
completion:(ProceduralBlock)completion {
if (currentIndex >= totalCount) {
if (completion) {
completion();
}
return;
}
GURL webpageGURL = URLs.at(currentIndex);
__weak SceneController* weakSelf = self;
if (!webpageGURL.is_valid()) {
[self recursiveOpenURLs:URLs
inMode:mode
currentIndex:(currentIndex + 1)
totalCount:totalCount
completion:completion];
return;
}
UrlLoadParams param = UrlLoadParams::InNewTab(webpageGURL, webpageGURL);
std::vector<GURL> copyURLs = URLs;
[self dismissModalsAndOpenSelectedTabInMode:mode
withUrlLoadParams:param
dismissOmnibox:YES
completion:^{
[weakSelf
recursiveOpenURLs:copyURLs
inMode:mode
currentIndex:(currentIndex + 1)
totalCount:totalCount
completion:completion];
}];
}
// Opens a tab in the target BVC, and switches to it in a way that's appropriate
// to the current UI, based on the |dismissModals| flag:
// - If a modal dialog is showing and |dismissModals| is NO, the selected tab of
// the main tab model will change in the background, but the view won't change.
// - Otherwise, any modal view will be dismissed, the tab switcher will animate
// out if it is showing, the target BVC will become active, and the new tab will
// be shown.
// If the current tab in |targetMode| is a NTP, it can be reused to open URL.
// |completion| is executed after the tab is opened. After Tab is open the
// virtual URL is set to the pending navigation item.
- (void)openSelectedTabInMode:(ApplicationModeForTabOpening)tabOpeningTargetMode
withUrlLoadParams:(const UrlLoadParams&)urlLoadParams
completion:(ProceduralBlock)completion {
// Update the snapshot before opening a new tab. This ensures that the
// snapshot is correct when tabs are openned via the dispatcher.
[self updateActiveWebStateSnapshot];
ApplicationMode targetMode;
if (tabOpeningTargetMode == ApplicationModeForTabOpening::CURRENT) {
targetMode = self.interfaceProvider.currentInterface.incognito
? ApplicationMode::INCOGNITO
: ApplicationMode::NORMAL;
} else if (tabOpeningTargetMode == ApplicationModeForTabOpening::NORMAL) {
targetMode = ApplicationMode::NORMAL;
} else {
targetMode = ApplicationMode::INCOGNITO;
}
id<BrowserInterface> targetInterface =
targetMode == ApplicationMode::NORMAL
? self.interfaceProvider.mainInterface
: self.interfaceProvider.incognitoInterface;
ProceduralBlock startupCompletion =
[self completionBlockForTriggeringAction:[self.startupParameters
postOpeningAction]];
// Commands are only allowed on NTP.
DCHECK(IsURLNtp(urlLoadParams.web_params.url) || !startupCompletion);
ProceduralBlock tabOpenedCompletion = nil;
if (startupCompletion && completion) {
tabOpenedCompletion = ^{
// Order is important here. |completion| may do cleaning tasks that will
// invalidate |startupCompletion|.
startupCompletion();
completion();
};
} else if (startupCompletion) {
tabOpenedCompletion = startupCompletion;
} else {
tabOpenedCompletion = completion;
}
if (self.tabSwitcherIsActive) {
// If the tab switcher is already being dismissed, simply add the tab and
// note that when the tab switcher finishes dismissing, the current BVC
// should be switched to be the main BVC if necessary.
if (self.dismissingTabSwitcher) {
self.modeToDisplayOnTabSwitcherDismissal =
targetMode == ApplicationMode::NORMAL
? TabSwitcherDismissalMode::NORMAL
: TabSwitcherDismissalMode::INCOGNITO;
[targetInterface.bvc appendTabAddedCompletion:tabOpenedCompletion];
UrlLoadParams savedParams = urlLoadParams;
savedParams.in_incognito = targetMode == ApplicationMode::INCOGNITO;
UrlLoadingBrowserAgent::FromBrowser(targetInterface.browser)
->Load(savedParams);
} else {
// Voice search, QRScanner and the omnibox are presented by the BVC.
// They must be started after the BVC view is added in the hierarchy.
self.NTPActionAfterTabSwitcherDismissal =
[self.startupParameters postOpeningAction];
[self setStartupParameters:nil];
[self addANewTabAndPresentBrowser:targetInterface.browser
withURLLoadParams:urlLoadParams];
// In this particular usage, there should be no postOpeningAction,
// as triggering voice search while there are multiple windows opened is probably
// a bad idea both technically and as a user experience.
// It should be the caller duty to not set a completion if they don't need it.
if (completion) {
completion();
}
}
} else {
if (!self.currentInterface.viewController.presentedViewController) {
[targetInterface.bvc expectNewForegroundTab];
}
[self setCurrentInterfaceForMode:targetMode];
[self openOrReuseTabInMode:targetMode
withUrlLoadParams:urlLoadParams
tabOpenedCompletion:tabOpenedCompletion];
}
if (self.sceneState.appState.startupInformation.restoreHelper) {
// Now that all the operations on the tabs have been done, display the
// restore infobar if needed.
dispatch_async(dispatch_get_main_queue(), ^{
[self.sceneState.appState.startupInformation
.restoreHelper showRestorePrompt];
self.sceneState.appState.startupInformation.restoreHelper = nil;
});
}
}
- (void)expectNewForegroundTabForMode:(ApplicationMode)targetMode {
id<BrowserInterface> interface =
targetMode == ApplicationMode::INCOGNITO
? self.interfaceProvider.incognitoInterface
: self.interfaceProvider.mainInterface;
DCHECK(interface);
[interface.bvc expectNewForegroundTab];
}
- (void)openNewTabFromOriginPoint:(CGPoint)originPoint
focusOmnibox:(BOOL)focusOmnibox {
[self.currentInterface.bvc openNewTabFromOriginPoint:originPoint
focusOmnibox:focusOmnibox];
}
- (Browser*)currentBrowserForURLLoading {
return self.currentInterface.browser;
}
// Asks the respective Snapshot helper to update the snapshot for the active
// WebState.
- (void)updateActiveWebStateSnapshot {
// Durinhg startup, there may be no current interface. Do nothing in that
// case.
if (!self.currentInterface)
return;
WebStateList* webStateList = self.currentInterface.browser->GetWebStateList();
web::WebState* webState = webStateList->GetActiveWebState();
if (webState) {
SnapshotTabHelper::FromWebState(webState)->UpdateSnapshotWithCallback(nil);
}
}
// Checks the target BVC's current tab's URL. If this URL is chrome://newtab,
// loads |urlLoadParams| in this tab. Otherwise, open |urlLoadParams| in a new
// tab in the target BVC. |tabDisplayedCompletion| will be called on the new tab
// (if not nil).
- (void)openOrReuseTabInMode:(ApplicationMode)targetMode
withUrlLoadParams:(const UrlLoadParams&)urlLoadParams
tabOpenedCompletion:(ProceduralBlock)tabOpenedCompletion {
id<BrowserInterface> targetInterface = targetMode == ApplicationMode::NORMAL
? self.mainInterface
: self.incognitoInterface;
BrowserViewController* targetBVC = targetInterface.bvc;
web::WebState* currentWebState =
targetInterface.browser->GetWebStateList()->GetActiveWebState();
// Don't call loadWithParams for chrome://newtab when it's already loaded.
// Note that it's safe to use -GetVisibleURL here, as it doesn't matter if the
// NTP hasn't finished loading.
if (currentWebState && IsURLNtp(currentWebState->GetVisibleURL()) &&
IsURLNtp(urlLoadParams.web_params.url)) {
if (tabOpenedCompletion) {
tabOpenedCompletion();
}
return;
}
// With kBrowserContainerContainsNTP enabled paired with a restored NTP
// session, the NTP may appear committed when it is still loading. For the
// time being, always load within a new tab when this feature is enabled.
// TODO(crbug.com/931284): Revert this change when fixed.
BOOL alwaysInsertNewTab =
base::FeatureList::IsEnabled(kBlockNewTabPagePendingLoad);
// If the current tab isn't an NTP, open a new tab. Be sure to use
// -GetLastCommittedURL incase the NTP is still loading.
if (alwaysInsertNewTab ||
!(currentWebState && IsURLNtp(currentWebState->GetVisibleURL()))) {
[targetBVC appendTabAddedCompletion:tabOpenedCompletion];
UrlLoadParams newTabParams = urlLoadParams;
newTabParams.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
newTabParams.in_incognito = targetMode == ApplicationMode::INCOGNITO;
UrlLoadingBrowserAgent::FromBrowser(targetInterface.browser)
->Load(newTabParams);
return;
}
// Otherwise, load |urlLoadParams| in the current tab.
UrlLoadParams sameTabParams = urlLoadParams;
sameTabParams.disposition = WindowOpenDisposition::CURRENT_TAB;
UrlLoadingBrowserAgent::FromBrowser(targetInterface.browser)
->Load(sameTabParams);
if (tabOpenedCompletion) {
tabOpenedCompletion();
}
}
// Displays current (incognito/normal) BVC and optionally focuses the omnibox.
- (void)displayCurrentBVCAndFocusOmnibox:(BOOL)focusOmnibox {
ProceduralBlock completion = nil;
if (focusOmnibox) {
id<OmniboxCommands> omniboxHandler = HandlerForProtocol(
self.currentInterface.browser->GetCommandDispatcher(), OmniboxCommands);
completion = ^{
[omniboxHandler focusOmnibox];
};
}
[self.mainCoordinator
showTabViewController:self.currentInterface.viewController
completion:completion];
[HandlerForProtocol(self.currentInterface.browser->GetCommandDispatcher(),
ApplicationCommands)
setIncognitoContentVisible:self.currentInterface.incognito];
}
#pragma mark - Sign In UI presentation
- (void)presentSignedInAccountsViewControllerForBrowserState:
(ChromeBrowserState*)browserState {
UMA_HISTOGRAM_BOOLEAN("Signin.SignedInAccountsViewImpression", true);
id<ApplicationSettingsCommands> settingsHandler =
HandlerForProtocol(self.mainInterface.browser->GetCommandDispatcher(),
ApplicationSettingsCommands);
UIViewController* accountsViewController =
[[SignedInAccountsViewController alloc]
initWithBrowserState:browserState
dispatcher:settingsHandler];
[[self topPresentedViewController]
presentViewController:accountsViewController
animated:YES
completion:nil];
}
- (void)closeSettingsAnimated:(BOOL)animated
completion:(ProceduralBlock)completion {
if (self.settingsNavigationController) {
ProceduralBlock dismissSettings = ^() {
[self.settingsNavigationController cleanUpSettings];
UIViewController* presentingViewController =
[self.settingsNavigationController presentingViewController];
// If presentingViewController is nil it means the VC was already
// dismissed by some other action like swiping down.
DCHECK(presentingViewController);
[presentingViewController dismissViewControllerAnimated:animated
completion:completion];
self.settingsNavigationController = nil;
};
// |self.signinCoordinator| can be presented on top of the settings, to
// present the Trusted Vault reauthentication |self.signinCoordinator| has
// to be closed first.
if (self.signinCoordinator) {
[self interruptSigninCoordinatorAnimated:animated
completion:dismissSettings];
} else if (dismissSettings) {
dismissSettings();
}
return;
}
// |self.signinCoordinator| can also present settings, like
// the advanced sign-in settings navigation controller. If the settings has
// to be closed, it is thus the responsibility of the main controller to
// dismiss the advanced sign-in settings by dismssing the settings
// presented by |self.signinCoordinator|.
// To reproduce this case:
// - open Bookmark view
// - start sign-in
// - tap on "Settings" to open the advanced sign-in settings
// - tap on "Manage Your Google Account"
DCHECK(self.signinCoordinator);
[self interruptSigninCoordinatorAnimated:animated completion:completion];
}
- (UIViewController*)topPresentedViewController {
// TODO(crbug.com/754642): Implement TopPresentedViewControllerFrom()
// privately.
return top_view_controller::TopPresentedViewControllerFrom(
self.mainCoordinator.baseViewController);
}
// Interrupts the sign-in coordinator actions and dismisses its views either
// with or without animation.
- (void)interruptSigninCoordinatorAnimated:(BOOL)animated
completion:(ProceduralBlock)completion {
SigninCoordinatorInterruptAction action =
animated ? SigninCoordinatorInterruptActionDismissWithAnimation
: SigninCoordinatorInterruptActionDismissWithoutAnimation;
[self.signinCoordinator interruptWithAction:action completion:completion];
}
// Starts the sign-in coordinator with a default cleanup completion.
- (void)startSigninCoordinatorWithCompletion:
(signin_ui::CompletionCallback)completion {
__block std::unique_ptr<ScopedUIBlocker> uiBlocker =
std::make_unique<ScopedUIBlocker>(self.sceneState);
DCHECK(self.signinCoordinator);
__weak SceneController* weakSelf = self;
self.signinCoordinator.signinCompletion =
^(SigninCoordinatorResult result, SigninCompletionInfo*) {
[weakSelf.signinCoordinator stop];
weakSelf.signinCoordinator = nil;
uiBlocker.reset();
if (completion) {
completion(result == SigninCoordinatorResultSuccess);
}
};
[self.signinCoordinator start];
}
#pragma mark - WebStateListObserving
// Called when a WebState is removed. Triggers the switcher view when the last
// WebState is closed on a device that uses the switcher.
- (void)webStateList:(WebStateList*)notifiedWebStateList
didDetachWebState:(web::WebState*)webState
atIndex:(int)atIndex {
// Do nothing on initialization.
if (!self.currentInterface.browser)
return;
if (notifiedWebStateList->empty()) {
if (webState->GetBrowserState()->IsOffTheRecord()) {
[self lastIncognitoTabClosed];
} else {
[self lastRegularTabClosed];
}
}
}
#pragma mark - Helpers for web state list events
// Called when the last incognito tab was closed.
- (void)lastIncognitoTabClosed {
// If no other window has incognito tab, then destroy and rebuild the
// BrowserState. Otherwise, just do the state transition animation.
if ([self shouldDestroyAndRebuildIncognitoBrowserState]) {
// Incognito browser state cannot be deleted before all the requests are
// deleted. Queue empty task on IO thread and destroy the BrowserState
// when the task has executed.
base::PostTaskAndReply(FROM_HERE, {web::WebThread::IO}, base::DoNothing(),
base::BindRepeating(^{
[self destroyAndRebuildIncognitoBrowserState];
}));
}
// a) The first condition can happen when the last incognito tab is closed
// from the tab switcher.
// b) The second condition can happen if some other code (like JS) triggers
// closure of tabs from the otr tab model when it's not current.
// Nothing to do here. The next user action (like clicking on an existing
// regular tab or creating a new incognito tab from the settings menu) will
// take care of the logic to mode switch.
if (self.tabSwitcherIsActive || !self.currentInterface.incognito) {
return;
}
WebStateList* currentWebStateList =
self.currentInterface.browser->GetWebStateList();
if (currentWebStateList->empty()) {
[self showTabSwitcher];
} else {
[self setCurrentInterfaceForMode:ApplicationMode::NORMAL];
}
}
// Called when the last regular tab was closed.
- (void)lastRegularTabClosed {
// a) The first condition can happen when the last regular tab is closed from
// the tab switcher.
// b) The second condition can happen if some other code (like JS) triggers
// closure of tabs from the main tab model when the main tab model is not
// current.
// Nothing to do here.
if (self.tabSwitcherIsActive || self.currentInterface.incognito) {
return;
}
[self showTabSwitcher];
}
// Clears incognito data that is specific to iOS and won't be cleared by
// deleting the browser state.
- (void)clearIOSSpecificIncognitoData {
DCHECK(self.sceneState.appState.mainBrowserState
->HasOffTheRecordChromeBrowserState());
ChromeBrowserState* otrBrowserState =
self.sceneState.appState.mainBrowserState
->GetOffTheRecordChromeBrowserState();
[self.browsingDataCommandsHandler
removeBrowsingDataForBrowserState:otrBrowserState
timePeriod:browsing_data::TimePeriod::ALL_TIME
removeMask:BrowsingDataRemoveMask::REMOVE_ALL
completionBlock:^{
[self activateBVCAndMakeCurrentBVCPrimary];
}];
}
- (void)activateBVCAndMakeCurrentBVCPrimary {
// If there are pending removal operations, the activation will be deferred
// until the callback is received.
BrowsingDataRemover* browsingDataRemover =
BrowsingDataRemoverFactory::GetForBrowserStateIfExists(
self.currentInterface.browser->GetBrowserState());
if (browsingDataRemover && browsingDataRemover->IsRemoving())
return;
self.interfaceProvider.mainInterface.userInteractionEnabled = YES;
self.interfaceProvider.incognitoInterface.userInteractionEnabled = YES;
[self.currentInterface setPrimary:YES];
}
// Shows the tab switcher UI.
- (void)showTabSwitcher {
DCHECK(self.mainCoordinator);
[self.mainCoordinator setActivePage:[self activePage]];
self.tabSwitcherIsActive = YES;
self.mainCoordinator.delegate = self;
[self.mainCoordinator showTabGrid];
}
- (void)openURLContexts:(NSSet<UIOpenURLContext*>*)URLContexts
API_AVAILABLE(ios(13)) {
if (self.sceneState.appState.isInSafeMode) {
return;
}
NSMutableSet<URLOpenerParams*>* URLsToOpen = [[NSMutableSet alloc] init];
for (UIOpenURLContext* context : URLContexts) {
URLOpenerParams* options =
[[URLOpenerParams alloc] initWithUIOpenURLContext:context];
NSSet* URLContextSet = [NSSet setWithObject:context];
if (!ios::GetChromeBrowserProvider()
->GetChromeIdentityService()
->HandleSessionOpenURLContexts(self.sceneState.scene,
URLContextSet)) {
[URLsToOpen addObject:options];
}
}
// When opening with URLs for GetChromeIdentityService, it is expected that a
// single URL is passed.
DCHECK(URLsToOpen.count == URLContexts.count || URLContexts.count == 1);
BOOL active =
_sceneState.activationLevel >= SceneActivationLevelForegroundActive;
if (self.sceneState.appState.startupInformation.isPresentingFirstRunUI ||
self.sceneState.presentingModalOverlay) {
active = NO;
}
for (URLOpenerParams* options : URLsToOpen) {
[URLOpener openURL:options
applicationActive:active
tabOpener:self
connectionInformation:self
startupInformation:self.sceneState.appState.startupInformation];
}
}
- (id<BrowserInterface>)extractInterfaceBaseOnMode:
(ApplicationModeForTabOpening)targetMode {
ApplicationMode applicationMode;
if (targetMode == ApplicationModeForTabOpening::CURRENT) {
applicationMode = self.interfaceProvider.currentInterface.incognito
? ApplicationMode::INCOGNITO
: ApplicationMode::NORMAL;
} else if (targetMode == ApplicationModeForTabOpening::NORMAL) {
applicationMode = ApplicationMode::NORMAL;
} else {
applicationMode = ApplicationMode::INCOGNITO;
}
id<BrowserInterface> targetInterface =
applicationMode == ApplicationMode::NORMAL
? self.interfaceProvider.mainInterface
: self.interfaceProvider.incognitoInterface;
return targetInterface;
}
#pragma mark - TabGrid helpers
// Returns the page that should be active in the TabGrid.
- (TabGridPage)activePage {
if (self.currentInterface.browser == self.incognitoInterface.browser)
return TabGridPageIncognitoTabs;
return TabGridPageRegularTabs;
}
// Adds a new tab to the |browser| based on |urlLoadParams| and then presents
// it.
- (void)addANewTabAndPresentBrowser:(Browser*)browser
withURLLoadParams:(const UrlLoadParams&)urlLoadParams {
TabInsertionBrowserAgent::FromBrowser(browser)->InsertWebState(
urlLoadParams.web_params, nil, false, browser->GetWebStateList()->count(),
false);
[self beginDismissingTabSwitcherWithCurrentBrowser:browser focusOmnibox:NO];
}
#pragma mark - Handling of destroying the incognito BrowserState
// The incognito BrowserState should be closed when the last incognito tab is
// closed (i.e. if there are other incognito tabs open in another Scene, the
// BrowserState must not be destroyed).
- (BOOL)shouldDestroyAndRebuildIncognitoBrowserState {
ChromeBrowserState* mainBrowserState =
self.sceneState.appState.mainBrowserState;
if (!mainBrowserState->HasOffTheRecordChromeBrowserState())
return NO;
ChromeBrowserState* otrBrowserState =
mainBrowserState->GetOffTheRecordChromeBrowserState();
DCHECK(otrBrowserState);
BrowserList* browserList =
BrowserListFactory::GetForBrowserState(otrBrowserState);
for (Browser* browser : browserList->AllIncognitoBrowsers()) {
WebStateList* webStateList = browser->GetWebStateList();
if (!webStateList->empty())
return NO;
}
return YES;
}
// Destroys and rebuilds the incognito BrowserState. This will inform all the
// other SceneController to destroy state tied to the BrowserState and to
// recreate it.
- (void)destroyAndRebuildIncognitoBrowserState {
// This seems the best place to mark the start of destroying the incognito
// browser state.
crash_keys::SetDestroyingAndRebuildingIncognitoBrowserState(
/*in_progress=*/true);
[self clearIOSSpecificIncognitoData];
ChromeBrowserState* mainBrowserState =
self.sceneState.appState.mainBrowserState;
DCHECK(mainBrowserState->HasOffTheRecordChromeBrowserState());
NSMutableArray<SceneController*>* sceneControllers =
[[NSMutableArray alloc] init];
for (SceneState* sceneState in [self.sceneState.appState connectedScenes]) {
SceneController* sceneController = sceneState.controller;
// In some circumstances, the scene state may still exist while the
// corresponding scene controller has been deallocated.
// (see crbug.com/1142782).
if (sceneController) {
[sceneControllers addObject:sceneController];
}
}
for (SceneController* sceneController in sceneControllers) {
[sceneController willDestroyIncognitoBrowserState];
}
BreadcrumbPersistentStorageManager* persistentStorageManager = nullptr;
if (base::FeatureList::IsEnabled(kLogBreadcrumbs)) {
BreadcrumbManagerKeyedService* service =
BreadcrumbManagerKeyedServiceFactory::GetForBrowserState(
mainBrowserState->GetOffTheRecordChromeBrowserState());
persistentStorageManager = service->GetPersistentStorageManager();
breakpad::StopMonitoringBreadcrumbManagerService(service);
service->StopPersisting();
}
// Record off-the-record metrics before detroying the BrowserState.
if (mainBrowserState->HasOffTheRecordChromeBrowserState()) {
ChromeBrowserState* otrBrowserState =
mainBrowserState->GetOffTheRecordChromeBrowserState();
SessionMetrics::FromBrowserState(otrBrowserState)
->RecordAndClearSessionMetrics(MetricsToRecordFlags::kNoMetrics);
}
// Destroy and recreate the off-the-record BrowserState.
mainBrowserState->DestroyOffTheRecordChromeBrowserState();
mainBrowserState->GetOffTheRecordChromeBrowserState();
for (SceneController* sceneController in sceneControllers) {
[sceneController incognitoBrowserStateCreated];
}
if (base::FeatureList::IsEnabled(kLogBreadcrumbs)) {
BreadcrumbManagerKeyedService* service =
BreadcrumbManagerKeyedServiceFactory::GetForBrowserState(
mainBrowserState->GetOffTheRecordChromeBrowserState());
if (persistentStorageManager) {
service->StartPersisting(persistentStorageManager);
}
breakpad::MonitorBreadcrumbManagerService(service);
}
// This seems the best place to deem the destroying and rebuilding the
// incognito browser state to be completed.
crash_keys::SetDestroyingAndRebuildingIncognitoBrowserState(
/*in_progress=*/false);
}
- (void)willDestroyIncognitoBrowserState {
// Clear the Incognito Browser and notify the TabGrid that its otrBrowser
// will be destroyed.
self.mainCoordinator.incognitoBrowser = nil;
if (base::FeatureList::IsEnabled(kLogBreadcrumbs)) {
BreadcrumbManagerBrowserAgent::FromBrowser(self.incognitoInterface.browser)
->SetLoggingEnabled(false);
}
self.incognitoInterface.browser->GetWebStateList()->RemoveObserver(
_webStateListForwardingObserver.get());
[self.browserViewWrangler willDestroyIncognitoBrowserState];
}
- (void)incognitoBrowserStateCreated {
[self.browserViewWrangler incognitoBrowserStateCreated];
// There should be a new URL loading browser agent for the incognito browser,
// so set the scene URL loading service on it.
UrlLoadingBrowserAgent::FromBrowser(self.incognitoInterface.browser)
->SetSceneService(self.sceneURLLoadingService);
self.incognitoInterface.browser->GetWebStateList()->AddObserver(
_webStateListForwardingObserver.get());
if (self.currentInterface.incognito) {
[self activateBVCAndMakeCurrentBVCPrimary];
}
// Always set the new otr Browser for the tablet or grid switcher.
// Notify the TabGrid with the new Incognito Browser.
self.mainCoordinator.incognitoBrowser = self.incognitoInterface.browser;
}
@end