Google Git
Sign in
chromium / chromium / src / 0026868b2d4ecfeb26d7b0195ccb12aa7438304a / . / chrome / android / java / src / org / chromium / chrome / browser / ChromeTabbedActivity.java
blob: 2a0abbae0cb4c55c99a0ed725bc59bb0e87364d2 [file] [log] [blame]
// Copyright 2015 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.
package org.chromium.chrome.browser;
import android.annotation.TargetApi;
import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.ShortcutManager;
import android.os.Build;
import android.os.Bundle;
import android.os.SystemClock;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.KeyboardShortcutGroup;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import androidx.annotation.IntDef;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleRegistry;
import org.chromium.base.CallbackController;
import org.chromium.base.CommandLine;
import org.chromium.base.ContextUtils;
import org.chromium.base.IntentUtils;
import org.chromium.base.Log;
import org.chromium.base.MemoryPressureListener;
import org.chromium.base.ThreadUtils;
import org.chromium.base.TraceEvent;
import org.chromium.base.annotations.UsedByReflection;
import org.chromium.base.library_loader.LibraryLoader;
import org.chromium.base.metrics.RecordHistogram;
import org.chromium.base.metrics.RecordUserAction;
import org.chromium.base.supplier.ObservableSupplierImpl;
import org.chromium.base.supplier.OneShotCallback;
import org.chromium.base.supplier.OneshotSupplier;
import org.chromium.base.supplier.OneshotSupplierImpl;
import org.chromium.base.supplier.Supplier;
import org.chromium.base.task.PostTask;
import org.chromium.cc.input.BrowserControlsState;
import org.chromium.chrome.R;
import org.chromium.chrome.browser.IntentHandler.IntentHandlerDelegate;
import org.chromium.chrome.browser.IntentHandler.TabOpenType;
import org.chromium.chrome.browser.accessibility_tab_switcher.OverviewListLayout;
import org.chromium.chrome.browser.app.ChromeActivity;
import org.chromium.chrome.browser.app.tabmodel.AsyncTabParamsManagerSingleton;
import org.chromium.chrome.browser.app.tabmodel.ChromeNextTabPolicySupplier;
import org.chromium.chrome.browser.app.tabmodel.TabWindowManagerSingleton;
import org.chromium.chrome.browser.bookmarks.BookmarkUtils;
import org.chromium.chrome.browser.compositor.CompositorViewHolder;
import org.chromium.chrome.browser.compositor.bottombar.ephemeraltab.EphemeralTabCoordinator;
import org.chromium.chrome.browser.compositor.layouts.Layout;
import org.chromium.chrome.browser.compositor.layouts.LayoutManagerChrome;
import org.chromium.chrome.browser.compositor.layouts.LayoutManagerChromePhone;
import org.chromium.chrome.browser.compositor.layouts.LayoutManagerChromeTablet;
import org.chromium.chrome.browser.compositor.layouts.LayoutManagerImpl;
import org.chromium.chrome.browser.compositor.layouts.OverviewModeBehavior;
import org.chromium.chrome.browser.compositor.layouts.OverviewModeController;
import org.chromium.chrome.browser.compositor.layouts.phone.StackLayout;
import org.chromium.chrome.browser.cookies.CookiesFetcher;
import org.chromium.chrome.browser.crypto.CipherFactory;
import org.chromium.chrome.browser.dependency_injection.ChromeActivityComponent;
import org.chromium.chrome.browser.device.DeviceClassManager;
import org.chromium.chrome.browser.dom_distiller.ReaderModeManager;
import org.chromium.chrome.browser.download.DownloadOpenSource;
import org.chromium.chrome.browser.download.DownloadUtils;
import org.chromium.chrome.browser.feature_engagement.TrackerFactory;
import org.chromium.chrome.browser.feed.FeedV1;
import org.chromium.chrome.browser.feed.FeedV2;
import org.chromium.chrome.browser.feed.shared.FeedFeatures;
import org.chromium.chrome.browser.firstrun.FirstRunSignInProcessor;
import org.chromium.chrome.browser.flags.ActivityType;
import org.chromium.chrome.browser.flags.ChromeFeatureList;
import org.chromium.chrome.browser.flags.ChromeSwitches;
import org.chromium.chrome.browser.gesturenav.NavigationSheet;
import org.chromium.chrome.browser.homepage.HomepageManager;
import org.chromium.chrome.browser.incognito.IncognitoNotificationManager;
import org.chromium.chrome.browser.incognito.IncognitoNotificationPresenceController;
import org.chromium.chrome.browser.incognito.IncognitoProfileDestroyer;
import org.chromium.chrome.browser.incognito.IncognitoTabLauncher;
import org.chromium.chrome.browser.incognito.IncognitoTabSnapshotController;
import org.chromium.chrome.browser.incognito.IncognitoUtils;
import org.chromium.chrome.browser.infobar.DataReductionPromoInfoBar;
import org.chromium.chrome.browser.infobar.SyncErrorInfoBar;
import org.chromium.chrome.browser.intent.IntentMetadata;
import org.chromium.chrome.browser.layouts.LayoutStateProvider;
import org.chromium.chrome.browser.lifecycle.ActivityLifecycleDispatcher;
import org.chromium.chrome.browser.locale.LocaleManager;
import org.chromium.chrome.browser.metrics.LaunchMetrics;
import org.chromium.chrome.browser.metrics.MainIntentBehaviorMetrics;
import org.chromium.chrome.browser.modaldialog.ChromeTabModalPresenter;
import org.chromium.chrome.browser.modaldialog.TabModalLifetimeHandler;
import org.chromium.chrome.browser.multiwindow.MultiInstanceChromeTabbedActivity;
import org.chromium.chrome.browser.multiwindow.MultiInstanceManager;
import org.chromium.chrome.browser.native_page.NativePageAssassin;
import org.chromium.chrome.browser.navigation_predictor.NavigationPredictorBridge;
import org.chromium.chrome.browser.night_mode.WebContentsDarkModeController;
import org.chromium.chrome.browser.ntp.NewTabPageUma;
import org.chromium.chrome.browser.omnibox.OmniboxFocusReason;
import org.chromium.chrome.browser.paint_preview.StartupPaintPreviewHelper;
import org.chromium.chrome.browser.partnercustomizations.PartnerBrowserCustomizations;
import org.chromium.chrome.browser.preferences.ChromePreferenceKeys;
import org.chromium.chrome.browser.profiles.Profile;
import org.chromium.chrome.browser.reengagement.ReengagementNotificationController;
import org.chromium.chrome.browser.search_engines.SearchEngineChoiceNotification;
import org.chromium.chrome.browser.suggestions.SuggestionsMetrics;
import org.chromium.chrome.browser.survey.ChromeSurveyController;
import org.chromium.chrome.browser.tab.RedirectHandlerTabHelper;
import org.chromium.chrome.browser.tab.Tab;
import org.chromium.chrome.browser.tab.TabAssociatedApp;
import org.chromium.chrome.browser.tab.TabCreationState;
import org.chromium.chrome.browser.tab.TabDelegateFactory;
import org.chromium.chrome.browser.tab.TabLaunchType;
import org.chromium.chrome.browser.tab.TabSelectionType;
import org.chromium.chrome.browser.tab.state.CriticalPersistedTabData;
import org.chromium.chrome.browser.tabbed_mode.TabbedAppMenuPropertiesDelegate;
import org.chromium.chrome.browser.tabbed_mode.TabbedRootUiCoordinator;
import org.chromium.chrome.browser.tabmodel.ChromeTabCreator;
import org.chromium.chrome.browser.tabmodel.EmptyTabModelSelectorObserver;
import org.chromium.chrome.browser.tabmodel.IncognitoTabHost;
import org.chromium.chrome.browser.tabmodel.IncognitoTabHostRegistry;
import org.chromium.chrome.browser.tabmodel.NextTabPolicy.NextTabPolicySupplier;
import org.chromium.chrome.browser.tabmodel.TabModel;
import org.chromium.chrome.browser.tabmodel.TabModelSelector;
import org.chromium.chrome.browser.tabmodel.TabModelSelectorImpl;
import org.chromium.chrome.browser.tabmodel.TabModelSelectorTabModelObserver;
import org.chromium.chrome.browser.tabmodel.TabModelSelectorTabObserver;
import org.chromium.chrome.browser.tabmodel.TabModelUtils;
import org.chromium.chrome.browser.tasks.ConditionalTabStripUtils;
import org.chromium.chrome.browser.tasks.EngagementTimeUtil;
import org.chromium.chrome.browser.tasks.JourneyManager;
import org.chromium.chrome.browser.tasks.ReturnToChromeExperimentsUtil;
import org.chromium.chrome.browser.tasks.TasksUma;
import org.chromium.chrome.browser.tasks.tab_management.TabManagementDelegate;
import org.chromium.chrome.browser.tasks.tab_management.TabManagementModuleProvider;
import org.chromium.chrome.browser.tasks.tab_management.TabUiFeatureUtilities;
import org.chromium.chrome.browser.toolbar.ToolbarButtonInProductHelpController;
import org.chromium.chrome.browser.toolbar.top.ToolbarControlContainer;
import org.chromium.chrome.browser.translate.TranslateIntentHandler;
import org.chromium.chrome.browser.ui.RootUiCoordinator;
import org.chromium.chrome.browser.ui.TabObscuringHandler;
import org.chromium.chrome.browser.ui.appmenu.AppMenuPropertiesDelegate;
import org.chromium.chrome.browser.undo_tab_close_snackbar.UndoBarController;
import org.chromium.chrome.browser.usage_stats.UsageStatsService;
import org.chromium.chrome.browser.util.ChromeAccessibilityUtil;
import org.chromium.chrome.browser.vr.VrModuleProvider;
import org.chromium.chrome.features.start_surface.StartSurface;
import org.chromium.chrome.features.start_surface.StartSurfaceConfiguration;
import org.chromium.chrome.features.start_surface.StartSurfaceState;
import org.chromium.chrome.features.start_surface.StartSurfaceUserData;
import org.chromium.components.browser_ui.util.BrowserControlsVisibilityDelegate;
import org.chromium.components.browser_ui.util.ComposedBrowserControlsVisibilityDelegate;
import org.chromium.components.embedder_support.util.UrlConstants;
import org.chromium.components.embedder_support.util.UrlUtilities;
import org.chromium.components.feature_engagement.EventConstants;
import org.chromium.components.webapps.ShortcutSource;
import org.chromium.content_public.browser.LoadUrlParams;
import org.chromium.content_public.browser.NavigationHandle;
import org.chromium.content_public.browser.UiThreadTaskTraits;
import org.chromium.content_public.browser.WebContents;
import org.chromium.content_public.browser.WebContentsAccessibility;
import org.chromium.content_public.common.ContentSwitches;
import org.chromium.content_public.common.Referrer;
import org.chromium.ui.base.PageTransition;
import org.chromium.ui.modaldialog.ModalDialogManager;
import org.chromium.ui.widget.Toast;
import org.chromium.url.Origin;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.Locale;
/**
* This is the main activity for ChromeMobile when not running in document mode. All the tabs
* are accessible via a chrome specific tab switching UI.
*/
public class ChromeTabbedActivity extends ChromeActivity<ChromeActivityComponent>
implements ChromeAccessibilityUtil.Observer {
private static final String TAG = "ChromeTabbedActivity";
private static final String HELP_URL_PREFIX = "https://support.google.com/chrome/";
private static final String WINDOW_INDEX = "window_index";
// How long to delay closing the current tab when our app is minimized. Have to delay this
// so that we don't show the contents of the next tab while minimizing.
private static final long CLOSE_TAB_ON_MINIMIZE_DELAY_MS = 500;
// Maximum delay for initial tab creation. This is for homepage and NTP, not previous tabs
// restore. This is needed because we do not know when reading PartnerBrowserCustomizations
// provider will be finished.
private static final int INITIAL_TAB_CREATION_TIMEOUT_MS = 500;
/**
* Sending an intent with this action to Chrome will cause it to close all tabs
* (iff the --enable-test-intents command line flag is set). If a URL is supplied in the
* intent data, this will be loaded and unaffected by the close all action.
*/
private static final String ACTION_CLOSE_TABS =
"com.google.android.apps.chrome.ACTION_CLOSE_TABS";
@VisibleForTesting
public static final String STARTUP_UMA_HISTOGRAM_SUFFIX = ".Tabbed";
// Name of the ChromeTabbedActivity alias that handles MAIN intents.
public static final String MAIN_LAUNCHER_ACTIVITY_NAME = "com.google.android.apps.chrome.Main";
/**
* Identifies a histogram to use in {@link #maybeDispatchExplicitMainViewIntent(Intent, int)}.
*/
@IntDef({DispatchedBy.ON_CREATE, DispatchedBy.ON_NEW_INTENT})
@Retention(RetentionPolicy.SOURCE)
private @interface DispatchedBy {
int ON_CREATE = 1;
int ON_NEW_INTENT = 2;
}
// Count histogram used to track number of tabs when we show the Overview on Return to Chrome.
private static final String TAB_COUNT_ON_RETURN = "Tabs.TabCountOnStartScreenShown";
private final MainIntentBehaviorMetrics mMainIntentMetrics;
private final @Nullable MultiInstanceManager mMultiInstanceManager;
private UndoBarController mUndoBarPopupController;
private LayoutManagerChrome mLayoutManager;
private ViewGroup mContentContainer;
private ToolbarControlContainer mControlContainer;
private TabModelSelectorImpl mTabModelSelectorImpl;
private TabModelSelectorTabObserver mTabModelSelectorTabObserver;
private TabModelSelectorTabModelObserver mTabModelObserver;
private BrowserControlsVisibilityDelegate mVrBrowserControlsVisibilityDelegate;
private TabModalLifetimeHandler mTabModalHandler;
private boolean mUIWithNativeInitialized;
private Boolean mIsAccessibilityTabSwitcherEnabled;
private LocaleManager mLocaleManager;
private AppIndexingUtil mAppIndexingUtil;
private Runnable mShowHistoryRunnable;
private CompositorViewHolder mCompositorViewHolder;
private OverviewListLayout mOverviewListLayout;
/**
* Keeps track of whether or not a specific tab was created based on the startup intent.
*/
private boolean mCreatedTabOnStartup;
// Whether or not the initial tab is being created.
private boolean mPendingInitialTabCreation;
// Whether {@link setInitialOverviewState()} has been called within the current onStart/onStop
// session.
private boolean mHasDeterminedOverviewStateForCurrentSession;
/**
* Keeps track of the pref for the last time since this activity was stopped.
*/
private ChromeInactivityTracker mInactivityTracker;
// Supplier for a dependency to inform about the type of intent used to launch Chrome.
private OneshotSupplierImpl<IntentMetadata> mIntentMetadataOneshotSupplier =
new OneshotSupplierImpl<>();
// Time at which an intent was received and handled.
private long mIntentHandlingTimeMs;
/**
* Whether the StartSurface is shown when Chrome is launched.
*/
private boolean mOverviewShownOnStart;
private NextTabPolicySupplier mNextTabPolicySupplier;
private final OneshotSupplierImpl<LayoutStateProvider> mLayoutStateProviderOneshotSupplier =
new OneshotSupplierImpl<>();
// TODO(crbug.com/1108496): Removed after all usages has been migrated to LayoutStateProvider.
private final OneshotSupplierImpl<OverviewModeBehavior> mOverviewModeBehaviorSupplier =
new OneshotSupplierImpl<>();
private OverviewModeController mOverviewModeController;
private ObservableSupplierImpl<EphemeralTabCoordinator> mEphemeralTabCoordinatorSupplier =
new ObservableSupplierImpl<>();
private final OneshotSupplierImpl<StartSurface> mStartSurfaceSupplier =
new OneshotSupplierImpl<>();
private ObservableSupplierImpl<Tab> mStartSurfaceParentTabSupplier =
new ObservableSupplierImpl<>();
private CallbackController mCallbackController = new CallbackController();
private TabbedModeTabDelegateFactory mTabDelegateFactory;
private final IncognitoTabHost mIncognitoTabHost = new IncognitoTabHost() {
@Override
public boolean hasIncognitoTabs() {
return getTabModelSelector().getModel(true).getCount() > 0;
}
@Override
public void closeAllIncognitoTabs() {
if (isActivityFinishingOrDestroyed()) return;
// If the tabbed activity has not yet initialized, then finish the activity to avoid
// timing issues with clearing the incognito tab state in the background.
if (!areTabModelsInitialized() || !didFinishNativeInitialization()) {
finish();
return;
}
getTabModelSelector().getModel(true).closeAllTabs(false, false);
}
};
/**
* This class is used to warm up the chrome split ClassLoader. See SplitChromeApplication for
* more info
*/
@UsedByReflection("SplitChromeApplication.java")
public static class Preload extends ChromeTabbedActivity {
private LifecycleRegistry mLifecycleRegistry;
@UsedByReflection("SplitChromeApplication.java")
public Preload() {}
@Override
public Lifecycle getLifecycle() {
if (mLifecycleRegistry == null) {
// LifecycleRegistry normally enforces it is called on the main thread, but this
// class will be preloaded in a background thread. The only method that gets called
// in the activity constructor is addObserver(), so just override that.
mLifecycleRegistry = new LifecycleRegistry(null) {
@Override
public void addObserver(LifecycleObserver observer) {}
};
}
return mLifecycleRegistry;
}
}
/**
* Return whether the passed in component name matches any of the supported tabbed mode
* activities.
*/
public static boolean isTabbedModeComponentName(String componentName) {
return TextUtils.equals(componentName, ChromeTabbedActivity.class.getName())
|| TextUtils.equals(
componentName, MultiInstanceChromeTabbedActivity.class.getName())
|| TextUtils.equals(componentName, ChromeTabbedActivity2.class.getName())
|| TextUtils.equals(componentName, MAIN_LAUNCHER_ACTIVITY_NAME);
}
/**
* Specify the proper non-.Main-aliased Chrome Activity for the given component.
*
* @param intent The intent to set the component for.
* @param component The client generated component to be validated.
*/
public static void setNonAliasedComponent(Intent intent, ComponentName component) {
assert component != null;
Context appContext = ContextUtils.getApplicationContext();
if (!TextUtils.equals(component.getPackageName(), appContext.getPackageName())) {
return;
}
if (component.getClassName() != null
&& TextUtils.equals(component.getClassName(),
ChromeTabbedActivity.MAIN_LAUNCHER_ACTIVITY_NAME)) {
// Keep in sync with the activities that the .Main alias points to in
// AndroidManifest.xml.
intent.setClass(appContext, ChromeTabbedActivity.class);
} else {
intent.setComponent(component);
}
}
/**
* Constructs a ChromeTabbedActivity.
*/
public ChromeTabbedActivity() {
mMainIntentMetrics = new MainIntentBehaviorMetrics();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
mMultiInstanceManager = new MultiInstanceManager(this, mTabModelSelectorSupplier,
getMultiWindowModeStateDispatcher(), getLifecycleDispatcher(), this);
} else {
mMultiInstanceManager = null;
}
}
@Override
protected @LaunchIntentDispatcher.Action int maybeDispatchLaunchIntent(
Intent intent, Bundle savedInstanceState) {
// Detect if incoming intent is a result of Chrome recreating itself. For now, restrict this
// path to reparenting to ensure the launching logic isn't disrupted.
// TODO(crbug.com/1065491): Unlock this codepath for all incoming intents once it's
// confirmed working and stable.
if (savedInstanceState != null
&& AsyncTabParamsManagerSingleton.getInstance().hasParamsWithTabToReparent()) {
return LaunchIntentDispatcher.Action.CONTINUE;
}
if (getClass().equals(ChromeTabbedActivity.class)
&& Intent.ACTION_MAIN.equals(intent.getAction())) {
// Call dispatchToTabbedActivity() for MAIN intents to activate proper multi-window
// TabbedActivity (i.e. if CTA2 is currently running and Chrome is started, CTA2
// should be brought to front). Don't call dispatchToTabbedActivity() for non-MAIN
// intents to avoid breaking cases where CTA is started explicitly (e.g. to handle
// 'Move to other window' command from CTA2).
return LaunchIntentDispatcher.dispatchToTabbedActivity(this, intent);
}
@LaunchIntentDispatcher.Action
int action = maybeDispatchExplicitMainViewIntent(intent, DispatchedBy.ON_CREATE);
if (action != LaunchIntentDispatcher.Action.CONTINUE) {
return action;
}
return super.maybeDispatchLaunchIntent(intent, savedInstanceState);
}
// We know of at least one app that explicitly specifies .Main activity in custom tab
// intents. The app shouldn't be doing that, but until it's updated, we need to support
// such use case.
//
// This method attempts to treat VIEW intents explicitly sent to .Main as custom tab
// intents, and dispatch them accordingly. If the intent was not dispatched, the method
// returns Action.CONTINUE.
//
// The method also updates the supplied boolean histogram with the dispatching result,
// but only if the intent is a VIEW intent sent explicitly to .Main activity.
private @LaunchIntentDispatcher.Action int maybeDispatchExplicitMainViewIntent(
Intent intent, @DispatchedBy int dispatchedBy) {
// The first check ensures that this is .Main activity alias (we can't check exactly, but
// this gets us sufficiently close).
if (getClass().equals(ChromeTabbedActivity.class)
&& Intent.ACTION_VIEW.equals(intent.getAction()) && intent.getComponent() != null
&& MAIN_LAUNCHER_ACTIVITY_NAME.equals(intent.getComponent().getClassName())) {
@LaunchIntentDispatcher.Action
int action = LaunchIntentDispatcher.dispatchToCustomTabActivity(this, intent);
switch (dispatchedBy) {
case DispatchedBy.ON_CREATE:
RecordHistogram.recordBooleanHistogram(
"Android.MainActivity.ExplicitMainViewIntentDispatched.OnCreate",
action != LaunchIntentDispatcher.Action.CONTINUE);
break;
case DispatchedBy.ON_NEW_INTENT:
RecordHistogram.recordBooleanHistogram(
"Android.MainActivity.ExplicitMainViewIntentDispatched.OnNewIntent",
action != LaunchIntentDispatcher.Action.CONTINUE);
break;
default:
assert false : "Unknown dispatchedBy value " + dispatchedBy;
}
if (action == LaunchIntentDispatcher.Action.CONTINUE) {
// Intent was not dispatched, record its source.
@IntentHandler.ExternalAppId
int externalId = IntentHandler.determineExternalIntentSource(intent);
RecordHistogram.recordEnumeratedHistogram(
"Android.MainActivity.UndispatchedExplicitMainViewIntentSource", externalId,
IntentHandler.ExternalAppId.NUM_ENTRIES);
// Crash if intent came from us, but only in debug builds and only if we weren't
// explicitly told not to. Hopefully we'll get enough reports to find where
// these intents come from.
if (externalId == IntentHandler.ExternalAppId.CHROME
&& 0 != (getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE)
&& !CommandLine.getInstance().hasSwitch(
ChromeSwitches.DONT_CRASH_ON_VIEW_MAIN_INTENTS)) {
String intentInfo = intent.toString();
Bundle extras = intent.getExtras();
if (extras != null) {
intentInfo +=
", extras.keySet = [" + TextUtils.join(", ", extras.keySet()) + "]";
}
String message = String.format((Locale) null,
"VIEW intent sent to .Main activity alias was not dispatched. PLEASE "
+ "report the following info to crbug.com/789732: \"%s\". Use "
+ "--%s flag to disable this check.",
intentInfo, ChromeSwitches.DONT_CRASH_ON_VIEW_MAIN_INTENTS);
throw new IllegalStateException(message);
}
}
return action;
}
return LaunchIntentDispatcher.Action.CONTINUE;
}
@Override
public void initializeCompositor() {
try {
TraceEvent.begin("ChromeTabbedActivity.initializeCompositor");
super.initializeCompositor();
// LocaleManager can only function after the native library is loaded.
mLocaleManager = LocaleManager.getInstance();
mLocaleManager.showSearchEnginePromoIfNeeded(this, null);
mTabModelSelectorImpl.onNativeLibraryReady(getTabContentManager());
mTabModelObserver = new TabModelSelectorTabModelObserver(mTabModelSelectorImpl) {
@Override
public void didCloseTab(int tabId, boolean incognito) {
closeIfNoTabsAndHomepageEnabled(false);
}
@Override
public void tabPendingClosure(Tab tab) {
closeIfNoTabsAndHomepageEnabled(true);
}
@Override
public void tabRemoved(Tab tab) {
closeIfNoTabsAndHomepageEnabled(false);
}
private void closeIfNoTabsAndHomepageEnabled(boolean isPendingClosure) {
if (getTabModelSelector().getTotalTabCount() == 0) {
// If the last tab is closed, and homepage is enabled, then exit Chrome.
if (HomepageManager.shouldCloseAppWithZeroTabs()) {
finish();
} else if (isPendingClosure) {
NewTabPageUma.recordNTPImpression(
NewTabPageUma.NTP_IMPESSION_POTENTIAL_NOTAB);
}
}
// TODO(960196) : remove this when the associated bug fix. This is a band-aid
// fix for TabGrid and closing tabs with TabGroupUi.
// If one of the following is true, then exit Chrome when TabGroupsAndroid is
// enabled, and tab switcher is not shown:
// 1. If the very last tab is closed.
// 2. If normal tab model is selected and no normal tabs.
if (TabUiFeatureUtilities.isGridTabSwitcherEnabled()
&& !mOverviewModeController.overviewVisible()) {
if (getTabModelSelector().getTotalTabCount() == 0
|| (!getTabModelSelector().isIncognitoSelected()
&& getTabModelSelector().getModel(false).getCount() == 0)) {
finish();
}
}
}
@Override
public void didAddTab(
Tab tab, @TabLaunchType int type, @TabCreationState int creationState) {
if (type == TabLaunchType.FROM_LONGPRESS_BACKGROUND
&& !DeviceClassManager.enableAnimations()) {
Toast.makeText(ChromeTabbedActivity.this, R.string.open_in_new_tab_toast,
Toast.LENGTH_SHORT)
.show();
}
SyncErrorInfoBar.maybeLaunchSyncErrorInfoBar(tab.getWebContents());
}
@Override
public void multipleTabsPendingClosure(List<Tab> tabs, boolean isAllTabs) {
if (!isAllTabs) return;
NewTabPageUma.recordNTPImpression(NewTabPageUma.NTP_IMPESSION_POTENTIAL_NOTAB);
}
};
} finally {
TraceEvent.end("ChromeTabbedActivity.initializeCompositor");
}
}
private void refreshSignIn() {
try (TraceEvent e = TraceEvent.scoped("ChromeTabbedActivity.refreshSignIn")) {
FirstRunSignInProcessor.start(this);
}
}
private void setupCompositorContentPreNativeForPhone() {
if (isTablet()) return;
try (TraceEvent e = TraceEvent.scoped(
"ChromeTabbedActivity.setupCompositorContentPreNativeForPhone")) {
CompositorViewHolder compositorViewHolder = getCompositorViewHolder();
if (TabUiFeatureUtilities.isGridTabSwitcherEnabled()
|| StartSurfaceConfiguration.isStartSurfaceStackTabSwitcherEnabled()) {
TabManagementDelegate tabManagementDelegate =
TabManagementModuleProvider.getDelegate();
if (tabManagementDelegate != null) {
StartSurface startSurface = tabManagementDelegate.createStartSurface(this,
mRootUiCoordinator.getScrimCoordinator(),
mRootUiCoordinator.getBottomSheetController(), mStartSurfaceSupplier,
mStartSurfaceParentTabSupplier, hadWarmStart());
}
}
// clang-format off
mLayoutManager = new LayoutManagerChromePhone(compositorViewHolder, mContentContainer,
mStartSurfaceSupplier.get(), getTabContentManagerSupplier(),
() -> {
if (getCompositorViewHolder() == null) return null;
return getCompositorViewHolder().getLayerTitleCache();
},
mOverviewModeBehaviorSupplier, mLayoutStateProviderOneshotSupplier,
mRootUiCoordinator::getTopUiThemeColorProvider);
// clang-format on
mOverviewModeController = mLayoutManager;
}
}
private void setupCompositorContentPreNativeForTablet() {
if (!isTablet()) return;
try (TraceEvent e = TraceEvent.scoped(
"ChromeTabbedActivity.setupCompositorContentPreNativeForTablet")) {
// clang-format off
mLayoutManager = new LayoutManagerChromeTablet(getCompositorViewHolder(),
mContentContainer, getTabContentManagerSupplier(),
() -> {
if (getCompositorViewHolder() == null) return null;
return getCompositorViewHolder().getLayerTitleCache();
},
mOverviewModeBehaviorSupplier, mLayoutStateProviderOneshotSupplier,
mRootUiCoordinator::getTopUiThemeColorProvider);
// clang-format on
mOverviewModeController = mLayoutManager;
}
}
private void setupCompositorContentPostNative() {
try (TraceEvent e = TraceEvent.scoped(
"ChromeTabbedActivity.setupCompositorContentPostNative")) {
if (!isLayoutManagerCreated()) {
if (isTablet()) {
setupCompositorContentPreNativeForTablet();
} else {
setupCompositorContentPreNativeForPhone();
}
}
mLayoutManager.setEnableAnimations(DeviceClassManager.enableAnimations());
// TODO(yusufo): get rid of findViewById(R.id.url_bar).
initializeCompositorContent(mLayoutManager, findViewById(R.id.url_bar),
mContentContainer, mControlContainer);
}
}
private boolean isLayoutManagerCreated() {
return mLayoutManager != null;
}
private void initializeToolbarManager() {
try (TraceEvent e = TraceEvent.scoped("ChromeTabbedActivity.initializeToolbarManager")) {
mUndoBarPopupController.initialize();
OnClickListener tabSwitcherClickHandler = v -> {
if (ChromeFeatureList.isEnabled(ChromeFeatureList.TOOLBAR_IPH_ANDROID)) {
Profile profile = mTabModelProfileSupplier.get();
if (profile != null) {
TrackerFactory.getTrackerForProfile(profile).notifyEvent(
EventConstants.TAB_SWITCHER_BUTTON_CLICKED);
}
}
if (getFullscreenManager().getPersistentFullscreenMode()) {
return;
}
Layout activeLayout = mLayoutManager.getActiveLayout();
if (activeLayout instanceof StackLayout && !activeLayout.isStartingToHide()) {
RecordUserAction.record("MobileToolbarStackViewButtonInStackView");
} else if (!isInOverviewMode()) {
RecordUserAction.record("MobileToolbarStackViewButtonInBrowsingView");
}
if (isInOverviewMode() && !StartSurfaceConfiguration.isStartSurfaceEnabled()) {
hideOverview();
} else {
showOverview(StartSurfaceState.SHOWING_TABSWITCHER);
}
};
OnClickListener newTabClickHandler = v -> {
getTabModelSelector().getModel(false).commitAllTabClosures();
// This assumes that the keyboard can not be seen at the same time as the
// newtab button on the toolbar.
getCurrentTabCreator().launchNTP();
mLocaleManager.showSearchEnginePromoIfNeeded(ChromeTabbedActivity.this, null);
if (getTabModelSelector().isIncognitoSelected()) {
RecordUserAction.record("MobileToolbarStackViewNewIncognitoTab");
} else {
RecordUserAction.record("MobileToolbarStackViewNewTab");
}
RecordUserAction.record("MobileTopToolbarNewTabButton");
RecordUserAction.record("MobileNewTabOpened");
};
OnClickListener bookmarkClickHandler = v -> addOrEditBookmark(getActivityTab());
Supplier<Boolean> showStartSurfaceSupplier = () -> {
if (ReturnToChromeExperimentsUtil.shouldShowStartSurfaceAsTheHomePageOnPhone(
isTablet())) {
showOverview(StartSurfaceState.SHOWING_HOMEPAGE);
return true;
}
return false;
};
getToolbarManager().initializeWithNative(mLayoutManager, tabSwitcherClickHandler,
newTabClickHandler, bookmarkClickHandler, null, showStartSurfaceSupplier);
if (!TabUiFeatureUtilities.supportInstantStart(isTablet())) {
assert !(mOverviewModeController != null
&& mOverviewModeController.overviewVisible());
}
}
}
private void maybeCreateIncognitoTabSnapshotController() {
try (TraceEvent e = TraceEvent.scoped(
"ChromeTabbedActivity.maybeCreateIncognitoTabSnapshotController")) {
if (!CommandLine.getInstance().hasSwitch(
ChromeSwitches.ENABLE_INCOGNITO_SNAPSHOTS_IN_ANDROID_RECENTS)) {
IncognitoTabSnapshotController.createIncognitoTabSnapshotController(
getWindow(), mLayoutManager, mTabModelSelectorImpl);
}
mUIWithNativeInitialized = true;
onAccessibilityTabSwitcherModeChanged();
// The dataset has already been created, we need to initialize our state.
mTabModelSelectorImpl.notifyChanged();
// Check for incognito tabs to handle the case where Chrome was swiped away in the
// background.
if (!IncognitoUtils.doIncognitoTabsExist()) {
IncognitoNotificationManager.dismissIncognitoNotification();
}
}
}
private void maybeGetFeedAppLifecycleAndMaybeCreatePageViewObserver() {
try (TraceEvent e = TraceEvent.scoped("ChromeTabbedActivity."
+ "maybeGetFeedAppLifecycleAndMaybeCreatePageViewObserver")) {
if (FeedFeatures.isV2Enabled()) {
FeedV2.startup();
} else {
FeedV1.startup();
}
if (UsageStatsService.isEnabled()) {
UsageStatsService.getInstance().createPageViewObserver(mTabModelSelectorImpl, this);
}
}
}
private void initJourneyManager() {
assert mOverviewModeController != null;
try (TraceEvent e = TraceEvent.scoped("ChromeTabbedActivity.initJourneyManager")) {
if (ChromeFeatureList.isEnabled(ChromeFeatureList.TAB_ENGAGEMENT_REPORTING_ANDROID)) {
// The lifecycle of this object is managed by the lifecycle dispatcher.
new JourneyManager(getTabModelSelector(), getLifecycleDispatcher(),
mOverviewModeController, new EngagementTimeUtil());
}
}
}
@Override
public void onNewIntent(Intent intent) {
// The intent to use in maybeDispatchExplicitMainViewIntent(). We're explicitly
// adding NEW_TASK flag to make sure backing from CCT brings up the caller activity,
// and not Chrome
Intent intentForDispatching = new Intent(intent);
intentForDispatching.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
@LaunchIntentDispatcher.Action
int action = maybeDispatchExplicitMainViewIntent(
intentForDispatching, DispatchedBy.ON_NEW_INTENT);
if (action != LaunchIntentDispatcher.Action.CONTINUE) {
// Pressing back button in CCT should bring user to the caller activity.
moveTaskToBack(true);
// Intent was dispatched to CustomTabActivity, consume it.
return;
}
mIntentHandlingTimeMs = SystemClock.uptimeMillis();
super.onNewIntent(intent);
}
@Override
public void startNativeInitialization() {
try (TraceEvent e = TraceEvent.scoped("ChromeTabbedActivity.startNativeInitialization")) {
// This is on the critical path so don't delay.
if (ChromeFeatureList.isEnabled(
ChromeFeatureList.DARKEN_WEBSITES_CHECKBOX_IN_THEMES_SETTING)) {
WebContentsDarkModeController.createInstance();
}
setupCompositorContentPostNative();
// All this initialization can be expensive so it's split into multiple tasks.
PostTask.postTask(UiThreadTaskTraits.DEFAULT, this::refreshSignIn);
PostTask.postTask(UiThreadTaskTraits.DEFAULT, this::initializeToolbarManager);
PostTask.postTask(
UiThreadTaskTraits.DEFAULT, this::maybeCreateIncognitoTabSnapshotController);
PostTask.postTask(
UiThreadTaskTraits.DEFAULT, this::onAccessibilityTabSwitcherModeChanged);
PostTask.postTask(UiThreadTaskTraits.DEFAULT,
this::maybeGetFeedAppLifecycleAndMaybeCreatePageViewObserver);
PostTask.postTask(UiThreadTaskTraits.DEFAULT, this::initJourneyManager);
PostTask.postTask(UiThreadTaskTraits.DEFAULT, this::finishNativeInitialization);
ChromeAccessibilityUtil.get().addObserver(this);
}
}
@Override
public void finishNativeInitialization() {
super.finishNativeInitialization();
// TODO(jinsukkim): Let these classes handle the registration by themselves.
mCompositorViewHolder = getCompositorViewHolder();
mOverviewListLayout = (OverviewListLayout) mLayoutManager.getOverviewListLayout();
getTabObscuringHandler().addObserver(mCompositorViewHolder);
getTabObscuringHandler().addObserver(mOverviewListLayout);
ChromeAccessibilityUtil.get().addObserver(mLayoutManager);
if (isTablet()) ChromeAccessibilityUtil.get().addObserver(mCompositorViewHolder);
}
@Override
public void onResumeWithNative() {
super.onResumeWithNative();
// Switch to non incognito tab model to show the non incognito start surface if needed.
if (StartSurfaceConfiguration.isStartSurfaceStackTabSwitcherEnabled() && isWarmOnResume()
&& shouldShowTabSwitcherOnStart() && mTabModelSelectorImpl.isIncognitoSelected()) {
mTabModelSelectorImpl.selectModel(false);
}
if (IncognitoUtils.shouldDestroyIncognitoProfileOnStartup(
getTabModelSelector().getCurrentModel().isIncognito())) {
Profile.getLastUsedRegularProfile().getPrimaryOTRProfile().destroyWhenAppropriate();
} else {
CookiesFetcher.restoreCookies();
}
mLocaleManager.setSnackbarManager(getSnackbarManager());
mLocaleManager.startObservingPhoneChanges();
if (isWarmOnResume()) {
NavigationPredictorBridge.onActivityWarmResumed();
} else {
NavigationPredictorBridge.onColdStart();
}
// This call is not guarded by a feature flag.
SearchEngineChoiceNotification.handleSearchEngineChoice(this, getSnackbarManager());
if (!isWarmOnResume()) {
SuggestionsMetrics.recordArticlesListVisible();
}
}
@Override
public void onPauseWithNative() {
mTabModelSelectorImpl.commitAllTabClosures();
CookiesFetcher.persistCookies();
mLocaleManager.setSnackbarManager(null);
mLocaleManager.stopObservingPhoneChanges();
NavigationPredictorBridge.onPause();
super.onPauseWithNative();
}
@Override
public void onStopWithNative() {
super.onStopWithNative();
mTabModelSelectorImpl.saveState();
mHasDeterminedOverviewStateForCurrentSession = false;
}
@Override
public void onStartWithNative() {
mMainIntentMetrics.logLaunchBehavior();
super.onStartWithNative();
// Don't call setInitialOverviewState if we're waiting for the tab's creation or we risk
// showing a glimpse of the tab selector during start up.
if (!mPendingInitialTabCreation) {
setInitialOverviewState();
}
if (TabUiFeatureUtilities.isConditionalTabStripEnabled()
|| ConditionalTabStripUtils.getOptOutIndicator()) {
ConditionalTabStripUtils.updateFeatureExpiration(
mInactivityTracker.getLastBackgroundedTimeMs());
}
resetSavedInstanceState();
StartSurfaceConfiguration.addFeedVisibilityObserver();
}
@Override
public void onNewIntentWithNative(Intent intent) {
try {
TraceEvent.begin("ChromeTabbedActivity.onNewIntentWithNative");
super.onNewIntentWithNative(intent);
if (isMainIntentFromLauncher(intent)) {
logMainIntentBehavior(intent);
}
if (CommandLine.getInstance().hasSwitch(ContentSwitches.ENABLE_TEST_INTENTS)) {
handleDebugIntent(intent);
}
} finally {
TraceEvent.end("ChromeTabbedActivity.onNewIntentWithNative");
}
}
@Override
public @ActivityType int getActivityType() {
return ActivityType.TABBED;
}
@Override
public ChromeTabCreator getTabCreator(boolean incognito) {
return (ChromeTabCreator) super.getTabCreator(incognito);
}
@Override
public ChromeTabCreator getCurrentTabCreator() {
return (ChromeTabCreator) super.getCurrentTabCreator();
}
@Override
public OverviewModeBehavior getOverviewModeBehavior() {
return mOverviewModeController;
}
@Override
public @Nullable OneshotSupplier<OverviewModeBehavior> getOverviewModeBehaviorSupplier() {
return mOverviewModeBehaviorSupplier;
}
/**
* @return The toolbar button in-product help controller for this activity.
* TODO(pnoland, https://crbug.com/865801): remove this in favor
* of injecting the controller directly where it's needed.
*/
public ToolbarButtonInProductHelpController getToolbarButtonInProductHelpController() {
return ((TabbedRootUiCoordinator) mRootUiCoordinator)
.getToolbarButtonInProductHelpController();
}
private void handleDebugIntent(Intent intent) {
if (ACTION_CLOSE_TABS.equals(intent.getAction())) {
getTabModelSelector().closeAllTabs();
} else if (MemoryPressureListener.handleDebugIntent(
ChromeTabbedActivity.this, intent.getAction())) {
// Handled.
}
}
private void setTrackColdStartupMetrics(boolean shouldTrackColdStartupMetrics) {
assert getActivityTabStartupMetricsTracker() != null;
if (shouldTrackColdStartupMetrics) {
getActivityTabStartupMetricsTracker().trackStartupMetrics(STARTUP_UMA_HISTOGRAM_SUFFIX);
} else {
getActivityTabStartupMetricsTracker().cancelTrackingStartupMetrics();
}
// Paint Preview should follow the same logic as startup UMA histograms as the feature
// should only run on cold startup of Chrome when the user is unable to interact before
// entering a tab.
StartupPaintPreviewHelper.setShouldShowOnRestore(shouldTrackColdStartupMetrics);
}
private void setInitialOverviewState() {
if (mHasDeterminedOverviewStateForCurrentSession) return;
mHasDeterminedOverviewStateForCurrentSession = true;
boolean isOverviewVisible = mOverviewModeController.overviewVisible();
if (shouldShowTabSwitcherOnStart() && !isOverviewVisible) {
if (getCurrentTabModel() != null) {
RecordHistogram.recordCountHistogram(
TAB_COUNT_ON_RETURN, getCurrentTabModel().getCount());
}
if (TabUiFeatureUtilities.isGridTabSwitcherEnabled() && !isTablet()) {
mStartSurfaceSupplier.get().getController().enableRecordingFirstMeaningfulPaint(
getOnCreateTimestampMs());
}
mOverviewShownOnStart = true;
// Cancel recording cold startup metrics if an overview is shown as they expect a tab to
// be the first thing shown after startup.
setTrackColdStartupMetrics(false);
showOverview(StartSurfaceState.SHOWING_START);
return;
}
if (getActivityTab() == null && !isOverviewVisible) {
mOverviewShownOnStart = true;
// Cancel recording cold startup metrics if an overview is shown as they expect a tab to
// be the first thing shown after startup.
setTrackColdStartupMetrics(false);
showOverview(StartSurfaceState.SHOWING_START);
}
if (isMainIntentFromLauncher(getIntent()) && mOverviewModeController.overviewVisible()) {
RecordUserAction.record("MobileStartup.UserEnteredTabSwitcher");
}
}
private boolean shouldShowTabSwitcherOnStart() {
String intentUrl = IntentHandler.getUrlFromIntent(getIntent());
if (ReturnToChromeExperimentsUtil.shouldShowStartSurfaceAsTheHomePage()
&& ReturnToChromeExperimentsUtil.isCanonicalizedNTPUrl(intentUrl)) {
// Handle NTP intent.
return true;
} else if (ReturnToChromeExperimentsUtil.shouldShowStartSurfaceAsTheHomePageNoTabs()
&& isMainIntentFromLauncher(getIntent())
&& ReturnToChromeExperimentsUtil.getTotalTabCount(getTabModelSelector()) <= 0) {
// Handle initial tab creation.
return true;
}
long lastBackgroundedTimeMillis = mInactivityTracker.getLastBackgroundedTimeMs();
return isMainIntentFromLauncher(getIntent())
&& ReturnToChromeExperimentsUtil.shouldShowTabSwitcher(lastBackgroundedTimeMillis);
}
private boolean isMainIntentFromLauncher(Intent intent) {
return intent != null && TextUtils.equals(intent.getAction(), Intent.ACTION_MAIN)
&& intent.hasCategory(Intent.CATEGORY_LAUNCHER)
&& 0 == (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY);
}
private void logMainIntentBehavior(Intent intent) {
assert isMainIntentFromLauncher(intent);
// TODO(tedchoc): We should cache the last visible time and reuse it to avoid different
// values of this depending on when it is called after the activity was
// shown.
// Temporary safety check to make sure none of this code runs if the feature is
// disabled.
if (ReengagementNotificationController.isEnabled()) {
if (mCallbackController != null) {
new OneShotCallback<>(
mTabModelProfileSupplier, mCallbackController.makeCancelable(profile -> {
assert profile != null : "Unexpectedly null profile from TabModel.";
if (profile == null) return;
TrackerFactory.getTrackerForProfile(profile).notifyEvent(
EventConstants.STARTED_FROM_MAIN_INTENT);
}));
}
}
mMainIntentMetrics.onMainIntentWithNative(
mInactivityTracker.getTimeSinceLastBackgroundedMs());
}
/** Access the main intent metrics for test validation. */
@VisibleForTesting
public MainIntentBehaviorMetrics getMainIntentBehaviorMetricsForTesting() {
return mMainIntentMetrics;
}
@VisibleForTesting
public ChromeInactivityTracker getInactivityTrackerForTesting() {
return mInactivityTracker;
}
@Override
public void initializeState() {
// This method goes through 3 steps:
// 1. Load the saved tab state (but don't start restoring the tabs yet).
// 2. Process the Intent that this activity received and if that should result in any
// new tabs, create them. This is done after step 1 so that the new tab gets
// created after previous tab state was restored.
// 3. If no tabs were created in any of the above steps, create an NTP, otherwise
// start asynchronous tab restore (loading the previously active tab synchronously
// if no new tabs created in step 2).
// Only look at the original intent if this is not a "restoration" and we are allowed to
// process intents. Any subsequent intents are carried through onNewIntent.
try {
TraceEvent.begin("ChromeTabbedActivity.initializeState");
super.initializeState();
Log.i(TAG, "#initializeState");
Intent intent = getIntent();
boolean hadCipherData =
CipherFactory.getInstance().restoreFromBundle(getSavedInstanceState());
boolean noRestoreState =
CommandLine.getInstance().hasSwitch(ChromeSwitches.NO_RESTORE_STATE);
if (noRestoreState) {
// Clear the state files because they are inconsistent and useless from now on.
mTabModelSelectorImpl.clearState();
} else {
// State should be clear when we start first run and hence we do not need to load
// a previous state. This may change the current Model, watch out for initialization
// based on the model.
// Never attempt to restore incognito tabs when this activity was previously swiped
// away in Recents. http://crbug.com/626629
boolean ignoreIncognitoFiles = !hadCipherData;
mTabModelSelectorImpl.loadState(ignoreIncognitoFiles);
}
mInactivityTracker.register(this.getLifecycleDispatcher());
boolean isIntentWithEffect = false;
boolean isMainIntentFromLauncher = false;
if (getSavedInstanceState() == null && intent != null) {
if (!mIntentHandler.shouldIgnoreIntent(intent, /*startedActivity=*/true)) {
isIntentWithEffect = mIntentHandler.onNewIntent(intent);
}
if (isMainIntentFromLauncher(intent)) {
isMainIntentFromLauncher = true;
logMainIntentBehavior(intent);
}
}
mIntentMetadataOneshotSupplier.set(
new IntentMetadata(isMainIntentFromLauncher, isIntentWithEffect));
// If we have tabs to reparent and getSavedInstanceState() is non-null, then the tabs
// are coming from night mode tab reparenting. In this case, reparenting happens
// synchronously along with tab restoration so there are no tabs waiting for
// reparenting like there are for other tab reparenting operations.
boolean hasTabWaitingForReparenting =
AsyncTabParamsManagerSingleton.getInstance().hasParamsWithTabToReparent()
&& getSavedInstanceState() == null;
mCreatedTabOnStartup = getCurrentTabModel().getCount() > 0
|| mTabModelSelectorImpl.getRestoredTabCount() > 0 || isIntentWithEffect
|| hasTabWaitingForReparenting;
// We always need to try to restore tabs. The set of tabs might be empty, but at least
// it will trigger the notification that tab restore is complete which is needed by
// other parts of Chrome such as sync.
boolean activeTabBeingRestored = !isIntentWithEffect
|| (shouldShowTabSwitcherOnStart()
&& !mTabModelSelectorImpl.isIncognitoSelected());
mTabModelSelectorImpl.restoreTabs(activeTabBeingRestored);
// Only create an initial tab if no tabs were restored and no intent was handled.
// Also, check whether the active tab was supposed to be restored and that the total
// tab count is now non zero. If this is not the case, tab restore failed and we need
// to create a new tab as well.
if (!mCreatedTabOnStartup
|| (!hasTabWaitingForReparenting && activeTabBeingRestored
&& getTabModelSelector().getTotalTabCount() == 0)) {
// If homepage URI is not determined, due to PartnerBrowserCustomizations provider
// async reading, then create a tab at the async reading finished. If it takes
// too long, just create NTP.
mPendingInitialTabCreation = true;
PartnerBrowserCustomizations.getInstance().setOnInitializeAsyncFinished(() -> {
if (!isActivityFinishingOrDestroyed()) createInitialTab();
}, INITIAL_TAB_CREATION_TIMEOUT_MS);
}
} finally {
TraceEvent.end("ChromeTabbedActivity.initializeState");
}
}
private boolean hasStartWithNativeBeenCalled() {
int activity_state = getLifecycleDispatcher().getCurrentActivityState();
return activity_state == ActivityLifecycleDispatcher.ActivityState.STARTED_WITH_NATIVE
|| activity_state == ActivityLifecycleDispatcher.ActivityState.RESUMED_WITH_NATIVE;
}
/**
* Create an initial tab for cold start without restored tabs.
*/
private void createInitialTab() {
mPendingInitialTabCreation = false;
// If the start surface will be shown on start, do not create a new tab.
if (!shouldShowTabSwitcherOnStart()) {
String url = HomepageManager.getHomepageUri();
if (TextUtils.isEmpty(url)) {
url = UrlConstants.NTP_URL;
} else {
// Migrate legacy NTP URLs (chrome://newtab) to the newer format
// (chrome-native://newtab)
if (UrlUtilities.isNTPUrl(url)) {
url = UrlConstants.NTP_URL;
}
}
getTabCreator(false).launchUrl(url, TabLaunchType.FROM_STARTUP);
}
// If we didn't call setInitialOverviewState() in onStartWithNative() because
// mPendingInitialTabCreation was true then do so now.
if (hasStartWithNativeBeenCalled()) {
setInitialOverviewState();
}
}
@Override
public void onAccessibilityModeChanged(boolean enabled) {
onAccessibilityTabSwitcherModeChanged();
}
private void onAccessibilityTabSwitcherModeChanged() {
if (!mUIWithNativeInitialized) return;
boolean accessibilityTabSwitcherEnabled = DeviceClassManager.enableAccessibilityLayout();
if (mOverviewModeController != null && mOverviewModeController.overviewVisible()
&& (mIsAccessibilityTabSwitcherEnabled == null
|| mIsAccessibilityTabSwitcherEnabled
!= DeviceClassManager.enableAccessibilityLayout())) {
mOverviewModeController.hideOverview(true);
if (getTabModelSelector().getCurrentModel().getCount() == 0) {
getCurrentTabCreator().launchNTP();
}
}
mIsAccessibilityTabSwitcherEnabled = accessibilityTabSwitcherEnabled;
if (ChromeAccessibilityUtil.get().isAccessibilityEnabled()) {
RecordHistogram.recordBooleanHistogram(
"Accessibility.Android.TabSwitcherPreferenceEnabled",
mIsAccessibilityTabSwitcherEnabled);
}
}
/**
* Internal class which performs the intent handling operations delegated by IntentHandler.
*/
private class InternalIntentDelegate implements IntentHandler.IntentHandlerDelegate {
/**
* Processes a url view intent.
*
* @param url The url from the intent.
*/
@Override
public void processUrlViewIntent(String url, String referer, String headers,
@TabOpenType int tabOpenType, String externalAppId, int tabIdToBringToFront,
boolean hasUserGesture, boolean isRendererInitiated,
@Nullable Origin initiatorOrigin, Intent intent) {
if (isActivityFinishingOrDestroyed()) {
return;
}
final boolean fromChrome = isFromChrome(intent, externalAppId);
if (fromChrome) {
RecordUserAction.record("MobileTabbedModeViewIntentFromChrome");
} else {
RecordUserAction.record("MobileTabbedModeViewIntentFromApp");
}
boolean fromLauncherShortcut = IntentUtils.safeGetBooleanExtra(
intent, IntentHandler.EXTRA_INVOKED_FROM_SHORTCUT, false);
boolean focus = false;
TabModel tabModel = getCurrentTabModel();
switch (tabOpenType) {
case TabOpenType.REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB:
mTabModelSelectorImpl.tryToRestoreTabStateForUrl(url);
int tabToBeClobberedIndex = TabModelUtils.getTabIndexByUrl(tabModel, url);
Tab tabToBeClobbered = tabModel.getTabAt(tabToBeClobberedIndex);
if (tabToBeClobbered != null) {
TabModelUtils.setIndex(tabModel, tabToBeClobberedIndex);
tabToBeClobbered.reload();
} else {
launchIntent(url, referer, headers, externalAppId, true,
isRendererInitiated, initiatorOrigin, intent);
}
logMobileReceivedExternalIntent(externalAppId, intent);
int shortcutSource =
intent.getIntExtra(ShortcutHelper.EXTRA_SOURCE, ShortcutSource.UNKNOWN);
LaunchMetrics.recordHomeScreenLaunchIntoTab(url, shortcutSource);
break;
case TabOpenType.BRING_TAB_TO_FRONT:
mTabModelSelectorImpl.tryToRestoreTabStateForId(tabIdToBringToFront);
int tabIndex = TabModelUtils.getTabIndexById(tabModel, tabIdToBringToFront);
if (tabIndex == TabModel.INVALID_TAB_INDEX) {
TabModel otherModel =
getTabModelSelector().getModel(!tabModel.isIncognito());
tabIndex = TabModelUtils.getTabIndexById(otherModel, tabIdToBringToFront);
if (tabIndex != TabModel.INVALID_TAB_INDEX) {
getTabModelSelector().selectModel(otherModel.isIncognito());
TabModelUtils.setIndex(otherModel, tabIndex);
} else {
Log.e(TAG, "Failed to bring tab to front because it doesn't exist.");
return;
}
} else {
TabModelUtils.setIndex(tabModel, tabIndex);
}
logMobileReceivedExternalIntent(externalAppId, intent);
break;
case TabOpenType.CLOBBER_CURRENT_TAB:
// The browser triggered the intent. This happens when clicking links which
// can be handled by other applications (e.g. www.youtube.com links).
Tab currentTab = getActivityTab();
if (currentTab != null) {
RedirectHandlerTabHelper.updateIntentInTab(currentTab, intent);
LoadUrlParams loadUrlParams =
ChromeTabbedActivity.createLoadUrlParamsForIntent(url, referer,
hasUserGesture, mIntentHandlingTimeMs, intent, fromChrome);
loadUrlParams.setIsRendererInitiated(isRendererInitiated);
loadUrlParams.setInitiatorOrigin(initiatorOrigin);
currentTab.loadUrl(loadUrlParams);
} else {
launchIntent(url, referer, headers, externalAppId, true,
isRendererInitiated, initiatorOrigin, intent);
}
break;
case TabOpenType.REUSE_APP_ID_MATCHING_TAB_ELSE_NEW_TAB:
openNewTab(url, referer, headers, externalAppId, isRendererInitiated,
initiatorOrigin, intent, false);
break;
case TabOpenType.REUSE_TAB_MATCHING_ID_ELSE_NEW_TAB:
int tabId = IntentUtils.safeGetIntExtra(
intent, TabOpenType.REUSE_TAB_MATCHING_ID_STRING, Tab.INVALID_TAB_ID);
if (tabId != Tab.INVALID_TAB_ID) {
mTabModelSelectorImpl.tryToRestoreTabStateForId(tabId);
int matchingTabIndex = TabModelUtils.getTabIndexById(tabModel, tabId);
boolean loaded = false;
if (matchingTabIndex != TabModel.INVALID_TAB_INDEX) {
Tab tab = tabModel.getTabAt(matchingTabIndex);
if (tab.getUrlString().equals(url)
|| tab.getUrlString().equals(IntentUtils.safeGetStringExtra(
intent, TabOpenType.REUSE_TAB_ORIGINAL_URL_STRING))) {
tabModel.setIndex(matchingTabIndex, TabSelectionType.FROM_USER);
LoadUrlParams loadUrlParams =
ChromeTabbedActivity.createLoadUrlParamsForIntent(url,
referer, hasUserGesture, mIntentHandlingTimeMs,
intent, fromChrome);
loadUrlParams.setVerbatimHeaders(headers);
loadUrlParams.setIsRendererInitiated(isRendererInitiated);
loadUrlParams.setInitiatorOrigin(initiatorOrigin);
tab.loadUrl(loadUrlParams);
loaded = true;
}
}
if (!loaded) {
openNewTab(url, referer, headers, externalAppId, isRendererInitiated,
initiatorOrigin, intent, false);
}
}
break;
case TabOpenType.OPEN_NEW_TAB:
if (fromLauncherShortcut) {
recordLauncherShortcutAction(false);
reportNewTabShortcutUsed(false);
}
openNewTab(url, referer, headers, externalAppId, isRendererInitiated,
initiatorOrigin, intent, true);
break;
case TabOpenType.OPEN_NEW_INCOGNITO_TAB:
if (!TextUtils.equals(externalAppId, getPackageName())) {
assert false : "Only Chrome is allowed to open incognito tabs";
Log.e(TAG, "Only Chrome is allowed to open incognito tabs");
return;
}
if (!IncognitoUtils.isIncognitoModeEnabled()) {
// The incognito launcher shortcut is manipulated in #onDeferredStartup(),
// so it's possible for a user to invoke the shortcut before it's disabled.
// Opening an incognito tab while incognito mode is disabled from somewhere
// besides the launcher shortcut is an error.
if (!fromLauncherShortcut) {
assert false : "Tried to open incognito tab while incognito disabled";
Log.e(TAG, "Tried to open incognito tab while incognito disabled");
}
return;
}
if (url == null || url.equals(UrlConstants.NTP_URL)) {
if (fromLauncherShortcut) {
getTabCreator(true).launchUrl(
UrlConstants.NTP_URL, TabLaunchType.FROM_LAUNCHER_SHORTCUT);
recordLauncherShortcutAction(true);
reportNewTabShortcutUsed(true);
} else if (IncognitoTabLauncher.didCreateIntent(intent)) {
Tab tab = getTabCreator(true).launchUrl(UrlConstants.NTP_URL,
TabLaunchType.FROM_LAUNCH_NEW_INCOGNITO_TAB);
if (IncognitoTabLauncher.shouldFocusOmnibox(intent)) {
// Since the Tab is created in the foreground, its View will gain
// focus, and since the Tab and the URL bar are not yet in the same
// View hierarchy, setting the URL bar's focus here won't clear the
// Tab's focus. When the Tab is added to the hierarchy, we want the
// URL bar to retain focus, so we clear the Tab's focus here.
tab.getView().clearFocus();
focus = true;
}
IncognitoTabLauncher.recordUse();
} else {
// Used by the Account management screen to open a new incognito tab.
// Account management screen collects its metrics separately.
getTabCreator(true).launchUrl(UrlConstants.NTP_URL,
TabLaunchType.FROM_CHROME_UI, intent, mIntentHandlingTimeMs);
}
} else {
@TabLaunchType
Integer launchType = IntentHandler.getTabLaunchType(intent);
if (launchType == null) launchType = TabLaunchType.FROM_LINK;
getTabCreator(true).launchUrl(
url, launchType, intent, mIntentHandlingTimeMs);
}
break;
default:
assert false : "Unknown TabOpenType: " + tabOpenType;
break;
}
getToolbarManager().setUrlBarFocusOnceNativeInitialized(focus,
focus ? OmniboxFocusReason.LAUNCH_NEW_INCOGNITO_TAB
: OmniboxFocusReason.UNFOCUS);
if (tabModel.getCount() > 0 && isInOverviewMode() && !isTablet()
&& !shouldShowTabSwitcherOnStart()) {
mOverviewModeController.hideOverview(true);
}
}
@Override
public void processWebSearchIntent(String query) {
assert false;
}
@Override
public void processTranslateTabIntent(
@Nullable String targetLanguageCode, @Nullable String expectedUrl) {
TranslateIntentHandler.translateTab(getActivityTab(), targetLanguageCode, expectedUrl);
}
/**
* Opens a new Tab with the possibility of showing it in a Custom Tab, instead.
*
* See IntentHandler#processUrlViewIntent() for an explanation most of the parameters.
* @param forceNewTab If not handled by a Custom Tab, forces the new tab to be created.
*/
private void openNewTab(String url, String referer, String headers, String externalAppId,
boolean isRendererInitiated, @Nullable Origin initiatorOrigin, Intent intent,
boolean forceNewTab) {
// Create a new tab.
launchIntent(url, referer, headers, externalAppId, forceNewTab, isRendererInitiated,
initiatorOrigin, intent);
logMobileReceivedExternalIntent(externalAppId, intent);
}
// TODO(tedchoc): Remove once we have verified that MobileTabbedModeViewIntentFromChrome
// and MobileTabbedModeViewIntentFromApp are suitable/more correct
// replacments for these.
private void logMobileReceivedExternalIntent(String externalAppId, Intent intent) {
RecordUserAction.record("MobileReceivedExternalIntent");
if (isFromChrome(intent, externalAppId)) {
RecordUserAction.record("MobileReceivedExternalIntent.Chrome");
} else {
RecordUserAction.record("MobileReceivedExternalIntent.App");
}
}
private boolean isFromChrome(Intent intent, String externalAppId) {
// To determine if the processed intent is from Chrome, check for any of the following:
// 1.) The authentication token that will be added to trusted intents.
// 2.) The app ID matches Chrome. This value can be spoofed by other applications, but
// in cases where we were not able to add the authentication token this is our only
// indication the intent was from Chrome.
return IntentHandler.wasIntentSenderChrome(intent)
|| TextUtils.equals(externalAppId, getPackageName());
}
}
@Override
public void performPreInflationStartup() {
super.performPreInflationStartup();
// Decide whether to record startup UMA histograms. This is done early in the main
// Activity.onCreate() to avoid recording navigation delays when they require user input to
// proceed. For example, FRE (First Run Experience) happens before the activity is created,
// and triggers initialization of the native library.
//
// An uninitialized native library is an indication of an application start that is followed
// by navigation immediately without user input.
if (!LibraryLoader.getInstance().isInitialized()) {
setTrackColdStartupMetrics(true);
}
supportRequestWindowFeature(Window.FEATURE_ACTION_MODE_OVERLAY);
IncognitoTabHostRegistry.getInstance().register(mIncognitoTabHost);
}
@Override
protected RootUiCoordinator createRootUiCoordinator() {
return new TabbedRootUiCoordinator(this, this::onOmniboxFocusChanged,
mIntentMetadataOneshotSupplier, getShareDelegateSupplier(),
getActivityTabProvider(), mEphemeralTabCoordinatorSupplier,
mTabModelProfileSupplier, mBookmarkBridgeSupplier,
getOverviewModeBehaviorSupplier(), this::getContextualSearchManager,
mTabModelSelectorSupplier, mStartSurfaceSupplier,
mLayoutStateProviderOneshotSupplier, mStartSurfaceParentTabSupplier);
}
@Override
protected int getControlContainerLayoutId() {
return R.layout.control_container;
}
@Override
public int getControlContainerHeightResource() {
return R.dimen.control_container_height;
}
@Override
protected int getToolbarLayoutId() {
return isTablet() ? R.layout.toolbar_tablet : R.layout.toolbar_phone;
}
@Override
public void performPostInflationStartup() {
super.performPostInflationStartup();
TabModelSelector tabModelSelector = getTabModelSelector();
IncognitoProfileDestroyer.observeTabModelSelector(tabModelSelector);
IncognitoNotificationPresenceController.observeTabModelSelector(tabModelSelector);
// Critical path for startup. Create the minimum objects needed
// to allow a blank screen draw (without depending on any native code)
// and then yield ASAP.
if (isFinishing()) return;
// Don't show the keyboard until user clicks in.
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN
| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
mContentContainer = (ViewGroup) findViewById(android.R.id.content);
mControlContainer = (ToolbarControlContainer) findViewById(R.id.control_container);
Supplier<Boolean> dialogVisibilitySupplier = null;
if (TabUiFeatureUtilities.isTabGroupsAndroidEnabled()) {
dialogVisibilitySupplier = () -> {
assert mStartSurfaceSupplier.get() != null;
assert getToolbarManager().getTabGroupUi() != null;
// Return true if dialog from either tab switcher or tab strip is visible.
Supplier<Boolean> tabGroupUiDialogVisibilitySupplier =
getToolbarManager().getTabGroupUi().getTabGridDialogVisibilitySupplier();
Supplier<Boolean> tabSwitcherDialogVisibilitySupplier =
mStartSurfaceSupplier.get().getTabGridDialogVisibilitySupplier();
boolean isDialogVisible = false;
if (tabGroupUiDialogVisibilitySupplier != null) {
isDialogVisible = tabGroupUiDialogVisibilitySupplier.get();
}
if (tabSwitcherDialogVisibilitySupplier != null) {
isDialogVisible = isDialogVisible || tabSwitcherDialogVisibilitySupplier.get();
}
return isDialogVisible;
};
}
mUndoBarPopupController = new UndoBarController(this, mTabModelSelectorImpl,
this::getSnackbarManager, mOverviewModeBehaviorSupplier, dialogVisibilitySupplier);
mInactivityTracker = new ChromeInactivityTracker(
ChromePreferenceKeys.TABBED_ACTIVITY_LAST_BACKGROUNDED_TIME_MS_PREF);
assert getActivityTabStartupMetricsTracker() != null;
StartupPaintPreviewHelper.initialize(getWindowAndroid(), getOnCreateTimestampMs(),
getBrowserControlsManager(), getTabModelSelector(),
shouldShowTabSwitcherOnStart(), () -> {
return getToolbarManager() == null
? null
: getToolbarManager().getProgressBarCoordinator();
}, getActivityTabStartupMetricsTracker()::recordVisibleContent);
}
@Override
protected final void dispatchOnInflationComplete() {
super.dispatchOnInflationComplete();
// When the feature flag {@link ChromeFeatureList.INSTANT_START} turns on phones (not
// tablet), a view-only start page created on Java will be shown before native is
// initialized. The {@link prepareToShowStartPagePreNative()} is only called in a cold
// start.
if (StartSurfaceConfiguration.isStartSurfaceEnabled()
&& TabUiFeatureUtilities.supportInstantStart(isTablet()) && !hadWarmStart()) {
prepareToShowStartPagePreNative();
}
}
/**
* Prepares to show the start page before native is initialized. For example, create
* an LayoutManagerChrome object, add overview mode observer and so on.
*/
private void prepareToShowStartPagePreNative() {
assert TabUiFeatureUtilities.supportInstantStart(isTablet() && !hadWarmStart());
try (TraceEvent e =
TraceEvent.scoped("ChromeTabbedActivity.prepareToShowStartPagePreNative")) {
setupCompositorContentPreNativeForPhone();
getCompositorViewHolder().setLayoutManager(mLayoutManager);
if (shouldShowTabSwitcherOnStart()) {
mLayoutManager.setTabModelSelector(mTabModelSelectorImpl);
mIsAccessibilityTabSwitcherEnabled = DeviceClassManager.enableAccessibilityLayout();
assert !mHasDeterminedOverviewStateForCurrentSession;
setInitialOverviewState();
}
}
}
@Override
protected TabModelSelector createTabModelSelector() {
assert mTabModelSelectorImpl == null;
Bundle savedInstanceState = getSavedInstanceState();
// We determine the model as soon as possible so every systems get initialized coherently.
boolean startIncognito = savedInstanceState != null
&& savedInstanceState.getBoolean("is_incognito_selected", false);
int index = savedInstanceState != null ? savedInstanceState.getInt(WINDOW_INDEX, 0) : 0;
mNextTabPolicySupplier = new ChromeNextTabPolicySupplier(mOverviewModeBehaviorSupplier);
mTabModelSelectorImpl =
(TabModelSelectorImpl) TabWindowManagerSingleton.getInstance().requestSelector(
this, this, mNextTabPolicySupplier, index);
if (mTabModelSelectorImpl == null) {
Toast.makeText(
this, getString(R.string.unsupported_number_of_windows), Toast.LENGTH_LONG)
.show();
finish();
return null;
}
mTabModelSelectorImpl.addObserver(new EmptyTabModelSelectorObserver() {
@Override
public void onTabStateInitialized() {
if (!mCreatedTabOnStartup) return;
TabModel model = mTabModelSelectorImpl.getModel(false);
TasksUma.recordTasksUma(model);
}
});
mTabModelSelectorTabObserver = new TabModelSelectorTabObserver(mTabModelSelectorImpl) {
@Override
public void onDidFinishNavigation(Tab tab, NavigationHandle navigation) {
if (navigation.hasCommitted() && navigation.isInMainFrame()) {
DataReductionPromoInfoBar.maybeLaunchPromoInfoBar(ChromeTabbedActivity.this,
tab.getWebContents(), navigation.getUrl(), tab.isShowingErrorPage(),
navigation.isFragmentNavigation(), navigation.httpStatusCode());
}
}
};
mAppIndexingUtil = new AppIndexingUtil(mTabModelSelectorImpl);
if (startIncognito) mTabModelSelectorImpl.selectModel(true);
return mTabModelSelectorImpl;
}
@Override
public AppMenuPropertiesDelegate createAppMenuPropertiesDelegate() {
return new TabbedAppMenuPropertiesDelegate(this, getActivityTabProvider(),
getMultiWindowModeStateDispatcher(), getTabModelSelector(), getToolbarManager(),
getWindow().getDecorView(), this, mOverviewModeBehaviorSupplier,
mBookmarkBridgeSupplier, getModalDialogManager());
}
private TabDelegateFactory getTabDelegateFactory() {
if (mTabDelegateFactory == null) {
mTabDelegateFactory = new TabbedModeTabDelegateFactory(this,
getAppBrowserControlsVisibilityDelegate(), getShareDelegateSupplier(),
mEphemeralTabCoordinatorSupplier,
((TabbedRootUiCoordinator) mRootUiCoordinator)::onContextMenuCopyLink,
mRootUiCoordinator.getBottomSheetController());
}
return mTabDelegateFactory;
}
@Override
protected Pair<ChromeTabCreator, ChromeTabCreator> createTabCreators() {
ChromeTabCreator.OverviewNTPCreator overviewNTPCreator = null;
if (StartSurfaceConfiguration.isStartSurfaceEnabled()) {
overviewNTPCreator = new ChromeTabCreator.OverviewNTPCreator() {
@Override
public boolean handleCreateNTPIfNeeded(
boolean isNTP, boolean incognito, Tab parentTab) {
boolean shouldShowStart = showStartSurfaceHomeForNTP(isNTP, incognito);
if (shouldShowStart) {
mStartSurfaceParentTabSupplier.set(parentTab);
}
return shouldShowStart;
}
};
}
return Pair.create(new ChromeTabCreator(this, getWindowAndroid(), getStartupTabPreloader(),
this::getTabDelegateFactory, false, overviewNTPCreator,
AsyncTabParamsManagerSingleton.getInstance()),
new ChromeTabCreator(this, getWindowAndroid(), getStartupTabPreloader(),
this::getTabDelegateFactory, true, overviewNTPCreator,
AsyncTabParamsManagerSingleton.getInstance()));
}
@Override
protected void initDeferredStartupForActivity() {
super.initDeferredStartupForActivity();
DeferredStartupHandler.getInstance().addDeferredTask(() -> {
ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
RecordHistogram.recordSparseHistogram(
"MemoryAndroid.DeviceMemoryClass", am.getMemoryClass());
LauncherShortcutActivity.updateIncognitoShortcut(ChromeTabbedActivity.this);
ChromeSurveyController.initialize(mTabModelSelectorImpl);
if (mStartSurfaceSupplier.get() != null && mOverviewShownOnStart) {
mStartSurfaceSupplier.get().onOverviewShownAtLaunch(getOnCreateTimestampMs());
}
});
}
@Override
protected void recordIntentToCreationTime(long timeMs) {
super.recordIntentToCreationTime(timeMs);
RecordHistogram.recordCustomTimesHistogram("MobileStartup.IntentToCreationTime.TabbedMode",
timeMs, 1, DateUtils.SECOND_IN_MILLIS * 30, 50);
}
@Override
protected boolean isStartedUpCorrectly(Intent intent) {
if (mMultiInstanceManager != null
&& !mMultiInstanceManager.isStartedUpCorrectly(getTaskId())) {
return false;
}
return super.isStartedUpCorrectly(intent);
}
@Override
public void terminateIncognitoSession() {
getTabModelSelector().getModel(true).closeAllTabs();
}
@Override
public boolean onMenuOrKeyboardAction(final int id, boolean fromMenu) {
final Tab currentTab = getActivityTab();
boolean currentTabIsNtp =
currentTab != null && UrlUtilities.isNTPUrl(currentTab.getUrlString());
if (id == R.id.new_tab_menu_id) {
getTabModelSelector().getModel(false).commitAllTabClosures();
RecordUserAction.record("MobileMenuNewTab");
RecordUserAction.record("MobileNewTabOpened");
reportNewTabShortcutUsed(false);
if (fromMenu) RecordUserAction.record("MobileMenuNewTab.AppMenu");
getTabCreator(false).launchNTP();
mLocaleManager.showSearchEnginePromoIfNeeded(this, null);
} else if (id == R.id.new_incognito_tab_menu_id) {
if (IncognitoUtils.isIncognitoModeEnabled()) {
getTabModelSelector().getModel(false).commitAllTabClosures();
// This action must be recorded before opening the incognito tab since UMA actions
// are dropped when an incognito tab is open.
RecordUserAction.record("MobileMenuNewIncognitoTab");
RecordUserAction.record("MobileNewTabOpened");
reportNewTabShortcutUsed(true);
if (fromMenu) RecordUserAction.record("MobileMenuNewIncognitoTab.AppMenu");
getTabCreator(true).launchNTP();
}
} else if (id == R.id.all_bookmarks_menu_id) {
// Note that 'currentTab' could be null in overview mode when start surface is
// enabled.
getCompositorViewHolder().hideKeyboard(
() -> { BookmarkUtils.showBookmarkManager(ChromeTabbedActivity.this); });
if (currentTabIsNtp) {
NewTabPageUma.recordAction(NewTabPageUma.ACTION_OPENED_BOOKMARKS_MANAGER);
}
RecordUserAction.record("MobileMenuAllBookmarks");
} else if (id == R.id.recent_tabs_menu_id) {
LoadUrlParams params =
new LoadUrlParams(UrlConstants.RECENT_TABS_URL, PageTransition.AUTO_BOOKMARK);
if (currentTab != null) {
currentTab.loadUrl(params);
} else {
// Note that 'currentTab' could be null in overview mode when start surface is
// enabled.
getTabCreator(getCurrentTabModel().isIncognito())
.createNewTab(params, TabLaunchType.FROM_CHROME_UI, null);
}
if (isInOverviewMode() && !isTablet()) {
mOverviewModeController.hideOverview(true);
}
if (currentTabIsNtp) {
NewTabPageUma.recordAction(NewTabPageUma.ACTION_OPENED_RECENT_TABS_MANAGER);
}
RecordUserAction.record("MobileMenuRecentTabs");
} else if (id == R.id.close_tab) {
getCurrentTabModel().closeTab(currentTab, true, false, true);
RecordUserAction.record("MobileTabClosed");
} else if (id == R.id.close_all_tabs_menu_id) {
// Close both incognito and normal tabs
getTabModelSelector().closeAllTabs();
RecordUserAction.record("MobileMenuCloseAllTabs");
} else if (id == R.id.close_all_incognito_tabs_menu_id) {
// Close only incognito tabs
getTabModelSelector().getModel(true).closeAllTabs();
// TODO(nileshagrawal) Record unique action for this. See bug http://b/5542946.
RecordUserAction.record("MobileMenuCloseAllTabs");
} else if (id == R.id.focus_url_bar) {
boolean isUrlBarVisible = !mOverviewModeController.overviewVisible()
&& (!isTablet() || getCurrentTabModel().getCount() != 0);
if (isUrlBarVisible) {
getToolbarManager().setUrlBarFocus(
true, OmniboxFocusReason.MENU_OR_KEYBOARD_ACTION);
}
} else if (id == R.id.downloads_menu_id) {
DownloadUtils.showDownloadManager(this, currentTab, DownloadOpenSource.MENU);
if (currentTabIsNtp) {
NewTabPageUma.recordAction(NewTabPageUma.ACTION_OPENED_DOWNLOADS_MANAGER);
}
RecordUserAction.record("MobileMenuDownloadManager");
} else if (id == R.id.open_recently_closed_tab) {
TabModel currentModel = mTabModelSelectorImpl.getCurrentModel();
if (!currentModel.isIncognito()) currentModel.openMostRecentlyClosedTab();
RecordUserAction.record("MobileTabClosedUndoShortCut");
} else if (id == R.id.enter_vr_id) {
VrModuleProvider.getDelegate().enterVrIfNecessary();
} else {
return super.onMenuOrKeyboardAction(id, fromMenu);
}
return true;
}
private void onOmniboxFocusChanged(boolean hasFocus) {
mTabModalHandler.onOmniboxFocusChanged(hasFocus);
}
private void recordLauncherShortcutAction(boolean isIncognito) {
if (isIncognito) {
RecordUserAction.record("Android.LauncherShortcut.NewIncognitoTab");
} else {
RecordUserAction.record("Android.LauncherShortcut.NewTab");
}
}
@Override
public boolean handleBackPressed() {
if (!mUIWithNativeInitialized) return false;
if (getManualFillingComponent().handleBackPress()) return true;
if (exitFullscreenIfShowing()) {
return true;
}
// TODO(1091411): Find a better mechanism for back-press handling for features.
if (mRootUiCoordinator.getBottomSheetController().handleBackPress()) return true;
if (mTabModalHandler.handleBackPress()) return true;
final Tab currentTab = getActivityTab();
if (currentTab == null) {
moveTaskToBack(true);
return true;
}
// If we are in the tab switcher mode (not in the Start surface homepage) and not a tablet,
// then leave tab switcher mode on back.
if (mOverviewModeController.overviewVisible() && !isTablet()
&& (mStartSurfaceSupplier.get() == null
|| mStartSurfaceSupplier.get().getController().getStartSurfaceState()
== StartSurfaceState.SHOWN_TABSWITCHER)) {
mOverviewModeController.hideOverview(true);
return true;
}
if (getToolbarManager().back()) return true;
// If the current tab url is HELP_URL, then the back button should close the tab to
// get back to the previous state. The reason for startsWith check is that the
// actual redirected URL is a different system language based help url.
final @TabLaunchType int type = currentTab.getLaunchType();
final boolean helpUrl = currentTab.getUrlString().startsWith(HELP_URL_PREFIX);
if (type == TabLaunchType.FROM_CHROME_UI && helpUrl) {
getCurrentTabModel().closeTab(currentTab);
return true;
}
// If we aren't in the overview mode, we handle the Tab with launchType
// TabLaunchType.FROM_START_SURFACE here.
if (!mOverviewModeController.overviewVisible()
&& type == TabLaunchType.FROM_START_SURFACE) {
if (StartSurfaceUserData.getKeepTab(currentTab)) {
// If the current tab is created from the start surface with the keepTab property,
// shows the Start surface Homepage to prevent a loop between the current tab and
// previous overview mode. Once in the Start surface, it will close Chrome if back
// button is tapped again.
showOverview(StartSurfaceState.SHOWING_HOMEPAGE);
} else {
// Otherwise, clicking the back button should close the tab and go back to the
// previous overview mode.
getCurrentTabModel().closeTab(currentTab);
showOverview(StartSurfaceState.SHOWING_PREVIOUS);
}
return true;
}
final boolean shouldCloseTab = backShouldCloseTab(currentTab);
// Minimize the app if either:
// - we decided not to close the tab
// - we decided to close the tab, but it was opened by an external app, so we will go
// exit Chrome on top of closing the tab
final boolean minimizeApp =
!shouldCloseTab || TabAssociatedApp.isOpenedFromExternalApp(currentTab);
if (minimizeApp) {
if (shouldCloseTab) {
sendToBackground(currentTab);
return true;
} else {
sendToBackground(null);
return true;
}
} else if (shouldCloseTab) {
currentTab.getWebContents().dispatchBeforeUnload(false);
return true;
}
assert false : "The back button should have already been handled by this point";
return false;
}
/**
* [true]: Reached the bottom of the back stack on a tab the user did not explicitly
* create (i.e. it was created by an external app or opening a link in background, etc).
* [false]: Reached the bottom of the back stack on a tab that the user explicitly
* created (e.g. selecting "new tab" from menu).
*
* @return Whether pressing the back button on the provided Tab should close the Tab.
*/
@Override
public boolean backShouldCloseTab(Tab tab) {
if (!tab.isInitialized()) {
return false;
}
@TabLaunchType
int type = tab.getLaunchType();
return type == TabLaunchType.FROM_LINK || type == TabLaunchType.FROM_EXTERNAL_APP
|| type == TabLaunchType.FROM_LONGPRESS_FOREGROUND
|| type == TabLaunchType.FROM_LONGPRESS_BACKGROUND
|| (type == TabLaunchType.FROM_RESTORE
&& CriticalPersistedTabData.from(tab).getParentId() != Tab.INVALID_TAB_ID);
}
/**
* Sends this Activity to the background.
*
* @param tabToClose Tab that will be closed once the app is not visible.
*/
private void sendToBackground(@Nullable final Tab tabToClose) {
Log.i(TAG, "sendToBackground(): " + tabToClose);
moveTaskToBack(true);
if (tabToClose != null) {
// In the case of closing a tab upon minimization, don't allow the close action to
// happen until after our app is minimized to make sure we don't get a brief glimpse of
// the newly active tab before we exit Chrome.
//
// If the runnable doesn't run before the Activity dies, Chrome won't crash but the tab
// won't be closed (crbug.com/587565).
mHandler.postDelayed(() -> {
boolean hasNextTab =
getCurrentTabModel().getNextTabIfClosed(tabToClose.getId()) != null;
getCurrentTabModel().closeTab(tabToClose, false, true, false);
// If there is no next tab to open, enter overview mode.
if (!hasNextTab) showOverview(StartSurfaceState.SHOWING_START);
}, CLOSE_TAB_ON_MINIMIZE_DELAY_MS);
}
}
@Override
public boolean moveTaskToBack(boolean nonRoot) {
try {
return super.moveTaskToBack(nonRoot);
} catch (NullPointerException e) {
// Work around framework bug described in https://crbug.com/817567.
finish();
return true;
}
}
/**
* Create a LoadUrlParams for handling a VIEW intent.
*/
private static LoadUrlParams createLoadUrlParamsForIntent(String url, String referer,
boolean hasUserGesture, long intentHandlingTimeMs, Intent intent, boolean fromChrome) {
LoadUrlParams loadUrlParams = new LoadUrlParams(url);
loadUrlParams.setIntentReceivedTimestamp(intentHandlingTimeMs);
loadUrlParams.setHasUserGesture(hasUserGesture);
int transitionType = PageTransition.LINK;
if (!fromChrome) transitionType |= PageTransition.FROM_API;
loadUrlParams.setTransitionType(
IntentHandler.getTransitionTypeFromIntent(intent, transitionType));
if (referer != null) {
loadUrlParams.setReferrer(
new Referrer(referer, IntentHandler.getReferrerPolicyFromIntent(intent)));
}
return loadUrlParams;
}
/**
* Launch a URL from an intent.
*
* @param url The url from the intent.
* @param referer Optional referer URL to be used.
* @param headers Optional headers to be sent when opening the URL.
* @param externalAppId External app id.
* @param forceNewTab Whether to force the URL to be launched in a new tab or to fall
* back to the default behavior for making that determination.
* @param isRendererInitiated Whether the intent is originally from browser renderer process.
* @param initiatorOrigin Origin that initiates the intent.
* @param intent The original intent.
*/
private Tab launchIntent(String url, String referer, String headers, String externalAppId,
boolean forceNewTab, boolean isRendererInitiated, @Nullable Origin initiatorOrigin,
Intent intent) {
if (mUIWithNativeInitialized && !UrlUtilities.isNTPUrl(url)) {
mOverviewModeController.hideOverview(false);
getToolbarManager().finishAnimations();
}
if (TextUtils.equals(externalAppId, getPackageName())) {
// If the intent was launched by chrome, open the new tab in the appropriate model.
// Using FROM_LINK ensures the tab is parented to the current tab, which allows
// the back button to close these tabs and restore selection to the previous tab.
boolean isIncognito = IntentUtils.safeGetBooleanExtra(
intent, IntentHandler.EXTRA_OPEN_NEW_INCOGNITO_TAB, false);
LoadUrlParams loadUrlParams = new LoadUrlParams(url);
loadUrlParams.setIntentReceivedTimestamp(mIntentHandlingTimeMs);
loadUrlParams.setVerbatimHeaders(headers);
loadUrlParams.setIsRendererInitiated(isRendererInitiated);
loadUrlParams.setInitiatorOrigin(initiatorOrigin);
@TabLaunchType
Integer launchType = IntentHandler.getTabLaunchType(intent);
if (launchType == null) {
if (IntentUtils.safeGetBooleanExtra(
intent, IntentHandler.EXTRA_INVOKED_FROM_SHORTCUT, false)) {
launchType = TabLaunchType.FROM_LAUNCHER_SHORTCUT;
} else if (IncognitoTabLauncher.didCreateIntent(intent)) {
launchType = TabLaunchType.FROM_LAUNCH_NEW_INCOGNITO_TAB;
} else {
launchType = TabLaunchType.FROM_LINK;
}
}
return getTabCreator(isIncognito).createNewTab(loadUrlParams, launchType, null, intent);
} else {
// Check if the tab is being created from a Reader Mode navigation.
if (ReaderModeManager.isEnabled()
&& ReaderModeManager.isReaderModeCreatedIntent(intent)) {
Bundle extras = intent.getExtras();
int readerParentId = IntentUtils.safeGetInt(
extras, ReaderModeManager.EXTRA_READER_MODE_PARENT, Tab.INVALID_TAB_ID);
extras.remove(ReaderModeManager.EXTRA_READER_MODE_PARENT);
// Set the parent tab to the tab that Reader Mode started from.
if (readerParentId != Tab.INVALID_TAB_ID && mTabModelSelectorImpl != null) {
return getCurrentTabCreator().createNewTab(
new LoadUrlParams(url, PageTransition.LINK), TabLaunchType.FROM_LINK,
mTabModelSelectorImpl.getTabById(readerParentId));
}
}
return getTabCreator(false).launchUrlFromExternalApp(url, referer, headers,
externalAppId, forceNewTab, intent, mIntentHandlingTimeMs);
}
}
// TODO(crbug.com/1115757): After crrev.com/c/2315823, Overview state and Startsurface state are
// two different things, we actual can split this into two methods: showOverview() and
// showStartSurface(state). Let's do some auditing and clean up before perform the actual split.
private void showOverview(@StartSurfaceState int state) {
assert (state == StartSurfaceState.SHOWING_TABSWITCHER
|| state == StartSurfaceState.SHOWING_HOMEPAGE
|| state == StartSurfaceState.SHOWING_PREVIOUS
|| state == StartSurfaceState.SHOWING_START);
if (mStartSurfaceSupplier.get() != null) {
mStartSurfaceSupplier.get().getController().setOverviewState(state);
}
if (mOverviewModeController == null) return;
if (mOverviewModeController.overviewVisible()) {
if (didFinishNativeInitialization()) {
getCompositorViewHolder().hideKeyboard(() -> {});
}
return;
}
Tab currentTab = getActivityTab();
// If we don't have a current tab, show the overview mode.
if (currentTab == null) {
mOverviewModeController.showOverview(false);
} else {
getCompositorViewHolder().hideKeyboard(
() -> mOverviewModeController.showOverview(true));
updateAccessibilityState(false);
TasksUma.recordTabLaunchType(getCurrentTabModel());
}
}
private void hideOverview() {
assert (mOverviewModeController.overviewVisible());
Layout activeLayout = mLayoutManager.getActiveLayout();
if (activeLayout instanceof StackLayout) {
((StackLayout) activeLayout).commitOutstandingModelState(LayoutManagerImpl.time());
}
if (getCurrentTabModel().getCount() != 0) {
// Don't hide overview if current tab stack is empty()
mOverviewModeController.hideOverview(true);
updateAccessibilityState(true);
}
}
private boolean showStartSurfaceHomeForNTP(boolean isNTP, boolean incognito) {
if (isNTP
&& ReturnToChromeExperimentsUtil.shouldShowStartSurfaceHomeAsNTP(
incognito, isTablet())) {
getTabModelSelector().selectModel(incognito);
if (TabUiFeatureUtilities.supportInstantStart(isTablet())
|| (getTabModelSelector().isTabStateInitialized()
&& isLayoutManagerCreated())) {
showOverview(StartSurfaceState.SHOWING_HOMEPAGE);
}
return true;
}
return false;
}
private void updateAccessibilityState(boolean enabled) {
Tab currentTab = getActivityTab();
WebContents webContents = currentTab != null ? currentTab.getWebContents() : null;
if (webContents != null) {
WebContentsAccessibility.fromWebContents(webContents).setState(enabled);
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
CipherFactory.getInstance().saveToBundle(outState);
outState.putBoolean("is_incognito_selected", getCurrentTabModel().isIncognito());
outState.putInt(
WINDOW_INDEX, TabWindowManagerSingleton.getInstance().getIndexForWindow(this));
}
@Override
public void onDestroyInternal() {
if (mCallbackController != null) {
mCallbackController.destroy();
mCallbackController = null;
}
if (mTabModelSelectorTabObserver != null) {
mTabModelSelectorTabObserver.destroy();
mTabModelSelectorTabObserver = null;
}
if (mTabModelObserver != null) mTabModelObserver.destroy();
if (mUndoBarPopupController != null) {
mUndoBarPopupController.destroy();
mUndoBarPopupController = null;
}
if (mAppIndexingUtil != null) {
mAppIndexingUtil.destroy();
mAppIndexingUtil = null;
}
if (mStartSurfaceSupplier.get() != null) {
mStartSurfaceSupplier.get().destroy();
}
IncognitoTabHostRegistry.getInstance().unregister(mIncognitoTabHost);
TabObscuringHandler tabObscuringHandler = getTabObscuringHandler();
if (tabObscuringHandler != null) {
getTabObscuringHandler().removeObserver(mCompositorViewHolder);
getTabObscuringHandler().removeObserver(mOverviewListLayout);
}
if (isTablet()) ChromeAccessibilityUtil.get().removeObserver(mCompositorViewHolder);
ChromeAccessibilityUtil.get().removeObserver(this);
ChromeAccessibilityUtil.get().removeObserver(mLayoutManager);
if (mTabDelegateFactory != null) mTabDelegateFactory.destroy();
super.onDestroyInternal();
}
@Override
public void onTrimMemory(int level) {
super.onTrimMemory(level);
if (ChromeApplication.isSevereMemorySignal(level)) {
NativePageAssassin.getInstance().freezeAllHiddenPages();
}
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
Boolean result = KeyboardShortcuts.dispatchKeyEvent(event, this, mUIWithNativeInitialized);
return result != null ? result : super.dispatchKeyEvent(event);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (!mUIWithNativeInitialized) {
return super.onKeyDown(keyCode, event);
}
// Detecting a long press of the back button via onLongPress is broken in Android N.
// To work around this, use a postDelayed, which is supported in all versions.
if (keyCode == KeyEvent.KEYCODE_BACK && !isTablet()
&& !getFullscreenManager().getPersistentFullscreenMode()) {
if (mShowHistoryRunnable == null) mShowHistoryRunnable = this::showFullHistorySheet;
mHandler.postDelayed(mShowHistoryRunnable, ViewConfiguration.getLongPressTimeout());
return super.onKeyDown(keyCode, event);
}
boolean isCurrentTabVisible = !mOverviewModeController.overviewVisible()
&& (!isTablet() || getCurrentTabModel().getCount() != 0);
return KeyboardShortcuts.onKeyDown(event, this, isCurrentTabVisible, true)
|| super.onKeyDown(keyCode, event);
}
private void showFullHistorySheet() {
((TabbedRootUiCoordinator) mRootUiCoordinator).showFullHistorySheet();
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK && !isTablet()) {
mHandler.removeCallbacks(mShowHistoryRunnable);
mShowHistoryRunnable = null;
if (event.getEventTime() - event.getDownTime()
>= ViewConfiguration.getLongPressTimeout()
&& NavigationSheet.isInstanceShowing(
mRootUiCoordinator.getBottomSheetController())) {
// If tab history popup is showing, do not process the keyUp event
// which will dismiss it immediately.
return true;
}
}
return super.onKeyUp(keyCode, event);
}
@VisibleForTesting
public boolean hasPendingNavigationRunnableForTesting() {
ThreadUtils.assertOnUiThread();
return mShowHistoryRunnable != null;
}
@Override
public void onProvideKeyboardShortcuts(
List<KeyboardShortcutGroup> data, Menu menu, int deviceId) {
data.addAll(KeyboardShortcuts.createShortcutGroup(this));
}
@VisibleForTesting
public View getTabsView() {
return getCompositorViewHolder();
}
@VisibleForTesting
public LayoutManagerChrome getLayoutManager() {
return (LayoutManagerChrome) getCompositorViewHolder().getLayoutManager();
}
@VisibleForTesting
public Layout getOverviewListLayout() {
return getLayoutManager().getOverviewListLayout();
}
@VisibleForTesting
public StartSurface getStartSurface() {
return mStartSurfaceSupplier.get();
}
private ComposedBrowserControlsVisibilityDelegate getAppBrowserControlsVisibilityDelegate() {
// TODO(jinsukkim): Move this to RootUiCoordinator.
return ((TabbedRootUiCoordinator) mRootUiCoordinator)
.getAppBrowserControlsVisibilityDelegate();
}
@Override
protected ModalDialogManager createModalDialogManager() {
ModalDialogManager manager = super.createModalDialogManager();
mTabModalHandler = new TabModalLifetimeHandler(this, manager,
this::getAppBrowserControlsVisibilityDelegate, this::getTabObscuringHandler);
return manager;
}
// App Menu related code -----------------------------------------------------------------------
@Override
public boolean canShowAppMenu() {
// The popup menu relies on the model created during the full UI initialization, so do not
// attempt to show the menu until the UI creation has finished.
if (!mUIWithNativeInitialized) return false;
// If the current active tab is showing a tab modal dialog, an app menu shouldn't be shown
// in any cases, e.g. when a hardware menu button is clicked.
Tab tab = getActivityTab();
if (tab != null && ChromeTabModalPresenter.isDialogShowing(tab)) return false;
return super.canShowAppMenu();
}
@Override
public boolean isInOverviewMode() {
return mOverviewModeController != null && mOverviewModeController.overviewVisible();
}
@Override
protected IntentHandlerDelegate createIntentHandlerDelegate() {
return new InternalIntentDelegate();
}
@Override
public void onSceneChange(Layout layout) {
super.onSceneChange(layout);
if (!layout.shouldDisplayContentOverlay()) mTabModelSelectorImpl.onTabsViewShown();
}
/**
* Writes the tab state to disk.
*/
@VisibleForTesting
public void saveState() {
mTabModelSelectorImpl.saveState();
}
@Override
public void onEnterVr() {
super.onEnterVr();
mControlContainer.setVisibility(View.INVISIBLE);
if (mVrBrowserControlsVisibilityDelegate == null) {
mVrBrowserControlsVisibilityDelegate =
new BrowserControlsVisibilityDelegate(BrowserControlsState.BOTH);
getAppBrowserControlsVisibilityDelegate().addDelegate(
mVrBrowserControlsVisibilityDelegate);
}
mVrBrowserControlsVisibilityDelegate.set(BrowserControlsState.HIDDEN);
}
@Override
public void onExitVr() {
super.onExitVr();
mControlContainer.setVisibility(View.VISIBLE);
if (mVrBrowserControlsVisibilityDelegate != null) {
mVrBrowserControlsVisibilityDelegate.set(BrowserControlsState.BOTH);
}
}
/**
* Reports that a new tab launcher shortcut was selected or an action equivalent to a shortcut
* was performed.
* @param isIncognito Whether the shortcut or action created a new incognito tab.
*/
@TargetApi(Build.VERSION_CODES.N_MR1)
private void reportNewTabShortcutUsed(boolean isIncognito) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) return;
ShortcutManager shortcutManager = getSystemService(ShortcutManager.class);
shortcutManager.reportShortcutUsed(
isIncognito ? "new-incognito-tab-shortcut" : "new-tab-shortcut");
}
@VisibleForTesting
public MultiInstanceManager getMultiInstanceMangerForTesting() {
return mMultiInstanceManager;
}
@VisibleForTesting
public ChromeNextTabPolicySupplier getNextTabPolicySupplier() {
return (ChromeNextTabPolicySupplier) mNextTabPolicySupplier;
}
}