Toolbar: No more HomepageManager dependencies

HomepageManager is referenced in toolbar/ for mostly its static util
methods. This CL injects the method references of them instead to
the classes from ToolbarManager.

Bug: 1127732
Change-Id: I2b863ede270ee17ad992c88f2ce02fa23f969fbc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2519349
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Reviewed-by: Filip Gorski <fgorski@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825247}

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

@@ -116,6 +116,7 @@ import org.chromium.chrome.features.start_surface.StartSurfaceConfiguration;
 import org.chromium.chrome.features.start_surface.StartSurfaceState;
 import org.chromium.components.browser_ui.styles.ChromeColors;
 import org.chromium.components.browser_ui.widget.scrim.ScrimCoordinator;
+import org.chromium.components.embedder_support.util.UrlConstants;
 import org.chromium.components.embedder_support.util.UrlUtilities;
 import org.chromium.components.search_engines.TemplateUrl;
 import org.chromium.components.search_engines.TemplateUrlService;
@@ -156,7 +157,8 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
             new ObservableSupplierImpl<>();
     private final ObservableSupplier<Boolean> mOmniboxFocusStateSupplier;
 
-    private BottomControlsCoordinator mBottomControlsCoordinator;
+    private ObservableSupplierImpl<BottomControlsCoordinator> mBottomControlsCoordinatorSupplier =
+            new ObservableSupplierImpl<>();
     private TabModelSelector mTabModelSelector;
     private TabModelSelectorObserver mTabModelSelectorObserver;
     private ObservableSupplier<TabModelSelector> mTabModelSelectorSupplier;
@@ -362,10 +364,11 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
         mCustomTabThemeColorProvider = new SettableThemeColorProvider(/* context= */ mActivity);
 
         mActivityTabProvider = tabProvider;
-        mToolbarTabController = new ToolbarTabControllerImpl(mLocationBarModel::getTab,
         // clang-format off
+        mToolbarTabController = new ToolbarTabControllerImpl(mLocationBarModel::getTab,
                 () -> mShowStartSurfaceSupplier != null && mShowStartSurfaceSupplier.get(),
-                profileSupplier, () -> mBottomControlsCoordinator, this::updateButtonStatus);
+                profileSupplier, mBottomControlsCoordinatorSupplier, ToolbarManager::homepageUrl,
+                this::updateButtonStatus);
         // clang-format on
 
         BrowserStateBrowserControlsVisibilityDelegate controlsVisibilityDelegate =
@@ -920,21 +923,21 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
      * Enable the bottom controls.
      */
     public void enableBottomControls() {
-        mBottomControlsCoordinator = new BottomControlsCoordinator(mBrowserControlsSizer,
+        // clang-format off
+        mBottomControlsCoordinatorSupplier.set(new BottomControlsCoordinator(mBrowserControlsSizer,
                 mFullscreenManager, mActivity.findViewById(R.id.bottom_controls_stub),
                 mActivityTabProvider, mAppThemeColorProvider, mShareDelegateSupplier,
-                mMenuButtonCoordinator.getMenuButtonHelperSupplier(), mShowStartSurfaceSupplier,
-                mToolbarTabController::openHomepage,
-                (reason)
-                        -> setUrlBarFocus(true, reason),
-                mScrimCoordinator, mOmniboxFocusStateSupplier);
+                mMenuButtonCoordinator.getMenuButtonHelperSupplier(),
+                mToolbarTabController::openHomepage, (reason) -> setUrlBarFocus(true, reason),
+                mScrimCoordinator, mOmniboxFocusStateSupplier));
+        // clang-format on
     }
 
     /**
      * @return The coordinator for the bottom controls if it exists.
      */
     public BottomControlsCoordinator getBottomControlsCoordinator() {
-        return mBottomControlsCoordinator;
+        return mBottomControlsCoordinatorSupplier.get();
     }
 
     /**
@@ -995,13 +998,13 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
         // init directly.
         mMenuButtonCoordinator.onNativeInitialized();
 
-        if (mBottomControlsCoordinator != null) {
+        BottomControlsCoordinator bcc = mBottomControlsCoordinatorSupplier.get();
+        if (bcc != null) {
             Runnable closeAllTabsAction = () -> {
                 mTabModelSelector.getModel(mIncognitoStateProvider.isIncognitoSelected())
                         .closeAllTabs();
             };
-            mBottomControlsCoordinator.initializeWithNative(mActivity,
-                    mCompositorViewHolder.getResourceManager(),
+            bcc.initializeWithNative(mActivity, mCompositorViewHolder.getResourceManager(),
                     mCompositorViewHolder.getLayoutManager(), tabSwitcherClickHandler,
                     newTabClickHandler, mWindowAndroid, mTabCountProvider, mIncognitoStateProvider,
                     mActivity.findViewById(R.id.control_container), closeAllTabsAction);
@@ -1033,10 +1036,10 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
             UserEducationHelper userEducationHelper = new UserEducationHelper(
                     mActivity, mHandler, TrackerFactory::getTrackerForProfile);
             View homeButton = mControlContainer.findViewById(R.id.home_button);
-            mHomeButtonCoordinator =
-                    new HomeButtonCoordinator(mActivity, homeButton, mActivityTabProvider,
-                            userEducationHelper, mIncognitoStateProvider::isIncognitoSelected,
-                            mIntentMetadataOneshotSupplier, mPromoShownOneshotSupplier);
+            mHomeButtonCoordinator = new HomeButtonCoordinator(mActivity, homeButton,
+                    mActivityTabProvider, userEducationHelper,
+                    mIncognitoStateProvider::isIncognitoSelected, mIntentMetadataOneshotSupplier,
+                    mPromoShownOneshotSupplier, HomepageManager::isHomepageNonNtp);
             ToggleTabStackButton toggleTabStackButton =
                     mControlContainer.findViewById(R.id.tab_switcher_button);
             mToggleTabStackButtonCoordinator = new ToggleTabStackButtonCoordinator(mActivity,
@@ -1135,9 +1138,9 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
 
         HomepageManager.getInstance().removeListener(mHomepageStateListener);
 
-        if (mBottomControlsCoordinator != null) {
-            mBottomControlsCoordinator.destroy();
-            mBottomControlsCoordinator = null;
+        if (mBottomControlsCoordinatorSupplier.get() != null) {
+            mBottomControlsCoordinatorSupplier.get().destroy();
+            mBottomControlsCoordinatorSupplier = null;
         }
 
         mToolbar.removeUrlExpansionObserver(mStatusBarColorController);
@@ -1218,6 +1221,13 @@ public class ToolbarManager implements UrlFocusChangeListener, ThemeColorObserve
         mToolbar.onAccessibilityStatusChanged(enabled);
     }
 
+    @VisibleForTesting
+    static String homepageUrl() {
+        String homePageUrl = HomepageManager.getHomepageUri();
+        if (TextUtils.isEmpty(homePageUrl)) homePageUrl = UrlConstants.NTP_URL;
+        return homePageUrl;
+    }
+
     private void registerTemplateUrlObserver() {
         final TemplateUrlService templateUrlService = TemplateUrlServiceFactory.get();
         assert mTemplateUrlObserver == null;

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarTabControllerImpl.java

@@ -4,14 +4,11 @@
 
 package org.chromium.chrome.browser.toolbar;
 
-import android.text.TextUtils;
-
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.metrics.RecordUserAction;
 import org.chromium.base.supplier.Supplier;
 import org.chromium.chrome.browser.feature_engagement.TrackerFactory;
 import org.chromium.chrome.browser.flags.ChromeFeatureList;
-import org.chromium.chrome.browser.homepage.HomepageManager;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.toolbar.bottom.BottomControlsCoordinator;
@@ -31,6 +28,7 @@ public class ToolbarTabControllerImpl implements ToolbarTabController {
     private final Supplier<Boolean> mOverrideHomePageSupplier;
     private final Supplier<Profile> mProfileSupplier;
     private final Supplier<BottomControlsCoordinator> mBottomControlsCoordinatorSupplier;
+    private final Supplier<String> mHomepageUrlSupplier;
     private final Runnable mOnSuccessRunnable;
 
     /**
@@ -39,6 +37,7 @@ public class ToolbarTabControllerImpl implements ToolbarTabController {
      * @param overrideHomePageSupplier Supplier that returns true if it overrides the default
      *         homepage behavior.
      * @param profileSupplier Supplier for the current profile.
+     * @param homepageUrlSupplier Supplier for the homepage URL.
      * @param onSuccessRunnable Runnable that is invoked when the active tab is asked to perform the
      *         corresponding ToolbarTabController action; it is not invoked if the tab cannot
      *         perform the action or for openHompage.
@@ -46,11 +45,12 @@ public class ToolbarTabControllerImpl implements ToolbarTabController {
     public ToolbarTabControllerImpl(Supplier<Tab> tabSupplier,
             Supplier<Boolean> overrideHomePageSupplier, Supplier<Profile> profileSupplier,
             Supplier<BottomControlsCoordinator> bottomControlsCoordinatorSupplier,
-            Runnable onSuccessRunnable) {
+            Supplier<String> homepageUrlSupplier, Runnable onSuccessRunnable) {
         mTabSupplier = tabSupplier;
         mOverrideHomePageSupplier = overrideHomePageSupplier;
         mProfileSupplier = profileSupplier;
         mBottomControlsCoordinatorSupplier = bottomControlsCoordinatorSupplier;
+        mHomepageUrlSupplier = homepageUrlSupplier;
         mOnSuccessRunnable = onSuccessRunnable;
     }
 
@@ -114,10 +114,7 @@ public class ToolbarTabControllerImpl implements ToolbarTabController {
         }
         Tab currentTab = mTabSupplier.get();
         if (currentTab == null) return;
-        String homePageUrl = HomepageManager.getHomepageUri();
-        if (TextUtils.isEmpty(homePageUrl)) {
-            homePageUrl = UrlConstants.NTP_URL;
-        }
+        String homePageUrl = mHomepageUrlSupplier.get();
         boolean is_chrome_internal =
                 homePageUrl.startsWith(ContentUrlConstants.ABOUT_URL_SHORT_PREFIX)
                 || homePageUrl.startsWith(UrlConstants.CHROME_URL_SHORT_PREFIX)

chrome/android/java/src/org/chromium/chrome/browser/toolbar/bottom/BottomControlsCoordinator.java

@@ -68,8 +68,6 @@ public class BottomControlsCoordinator {
      * @param themeColorProvider The {@link ThemeColorProvider} for the bottom toolbar.
      * @param shareDelegateSupplier The supplier for the {@link ShareDelegate} the bottom controls
      *         should use to share content.
-     * @param showStartSurfaceCallable The action that opens the start surface, returning true if
-     *         the start surface is shown.
      * @param openHomepageAction The action that opens the homepage.
      * @param setUrlBarFocusAction The function that sets Url bar focus. The first argument is
      *         whether the bar should be focused, and the second is the OmniboxFocusReason.
@@ -82,8 +80,8 @@ public class BottomControlsCoordinator {
             ThemeColorProvider themeColorProvider,
             ObservableSupplier<ShareDelegate> shareDelegateSupplier,
             ObservableSupplier<AppMenuButtonHelper> menuButtonHelperSupplier,
-            Supplier<Boolean> showStartSurfaceCallable, Runnable openHomepageAction,
-            Callback<Integer> setUrlBarFocusAction, ScrimCoordinator scrimCoordinator,
+            Runnable openHomepageAction, Callback<Integer> setUrlBarFocusAction,
+            ScrimCoordinator scrimCoordinator,
             ObservableSupplier<Boolean> omniboxFocusStateSupplier) {
         final ScrollingBottomViewResourceFrameLayout root =
                 (ScrollingBottomViewResourceFrameLayout) stub.inflate();

chrome/android/java/src/org/chromium/chrome/browser/toolbar/top/HomeButtonCoordinator.java

@@ -11,11 +11,11 @@ import androidx.annotation.VisibleForTesting;
 
 import org.chromium.base.supplier.BooleanSupplier;
 import org.chromium.base.supplier.OneshotSupplier;
+import org.chromium.base.supplier.Supplier;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ActivityTabProvider;
 import org.chromium.chrome.browser.feed.shared.FeedFeatures;
 import org.chromium.chrome.browser.flags.FeatureParamUtils;
-import org.chromium.chrome.browser.homepage.HomepageManager;
 import org.chromium.chrome.browser.intent.IntentMetadata;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.toolbar.HomeButton;
@@ -43,6 +43,7 @@ public class HomeButtonCoordinator {
     private final ActivityTabProvider.ActivityTabTabObserver mPageLoadObserver;
     private final OneshotSupplier<IntentMetadata> mIntentMetadataOneshotSupplier;
     private final OneshotSupplier<Boolean> mPromoShownOneshotSupplier;
+    private final Supplier<Boolean> mIsHomepageNonNtpSupplier;
 
     /**
      * @param context The Android context used for various view operations.
@@ -52,18 +53,21 @@ public class HomeButtonCoordinator {
      * @param isIncognitoSupplier Supplier for whether the current tab is incognito.
      * @param intentMetadataOneshotSupplier Potentially delayed information about launching intent.
      * @param promoShownOneshotSupplier Potentially delayed information about if a promo was shown.
+     * @param isHomepageNonNtpSupplier Supplier for whether the current homepage is not NTP.
      */
     public HomeButtonCoordinator(Context context, View homeButton,
             ActivityTabProvider activityTabProvider, UserEducationHelper userEducationHelper,
             BooleanSupplier isIncognitoSupplier,
             OneshotSupplier<IntentMetadata> intentMetadataOneshotSupplier,
-            OneshotSupplier<Boolean> promoShownOneshotSupplier) {
+            OneshotSupplier<Boolean> promoShownOneshotSupplier,
+            Supplier<Boolean> isHomepageNonNtpSupplier) {
         mContext = context;
         mHomeButton = homeButton;
         mUserEducationHelper = userEducationHelper;
         mIsIncognitoSupplier = isIncognitoSupplier;
         mIntentMetadataOneshotSupplier = intentMetadataOneshotSupplier;
         mPromoShownOneshotSupplier = promoShownOneshotSupplier;
+        mIsHomepageNonNtpSupplier = isHomepageNonNtpSupplier;
         mPageLoadObserver = new ActivityTabProvider.ActivityTabTabObserver(activityTabProvider) {
             @Override
             public void onPageLoadFinished(Tab tab, String url) {
@@ -87,7 +91,7 @@ public class HomeButtonCoordinator {
         if (mHomeButton == null || !mHomeButton.isShown()) return;
         if (mIsIncognitoSupplier.getAsBoolean()) return;
         if (UrlUtilities.isNTPUrl(url)) return;
-        if (HomepageManager.isHomepageNonNtp()) return;
+        if (mIsHomepageNonNtpSupplier.get()) return;
         if (mPromoShownOneshotSupplier.get() == null || mPromoShownOneshotSupplier.get()) return;
 
         IntentMetadata intentMetadata = mIntentMetadataOneshotSupplier.get();

chrome/android/junit/src/org/chromium/chrome/browser/toolbar/ToolbarTabControllerImplTest.java

@@ -87,9 +87,9 @@ public class ToolbarTabControllerImplTest {
         doReturn(mTab).when(mTabSupplier).get();
         doReturn(false).when(mOverrideHomePageSupplier).get();
         TrackerFactory.setTrackerForTests(mTracker);
-        mToolbarTabController =
-                new ToolbarTabControllerImpl(mTabSupplier, mOverrideHomePageSupplier,
-                        mProfileSupplier, mBottomControlsCoordinatorSupplier, mRunnable);
+        mToolbarTabController = new ToolbarTabControllerImpl(mTabSupplier,
+                mOverrideHomePageSupplier, mProfileSupplier, mBottomControlsCoordinatorSupplier,
+                ToolbarManager::homepageUrl, mRunnable);
     }
 
     @Test

chrome/android/junit/src/org/chromium/chrome/browser/toolbar/top/HomeButtonCoordinatorTest.java

@@ -139,8 +139,11 @@ public class HomeButtonCoordinatorTest {
     }
 
     private HomeButtonCoordinator newHomeButtonCoordinator(View view) {
+        // clang-format off
         return new HomeButtonCoordinator(mContext, view, mActivityTabProvider, mUserEducationHelper,
-                () -> mIsIncognito, mIntentMetadataOneshotSupplier, mPromoShownOneshotSupplier);
+                () -> mIsIncognito, mIntentMetadataOneshotSupplier, mPromoShownOneshotSupplier,
+                HomepageManager::isHomepageNonNtp);
+        // clang-format on
     }
 
     private void verifyIphNotShown() {