🏠 Allow bottom sheet content to update handle color

chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
index 74c59806b5058e12681cbb0fd92e2b1652d09dcc..5b6cfe0398d41cfcaad2f76582133e5418150768 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/selection/SelectableListToolbar.java
@@ -32,6 +32,7 @@ import org.chromium.chrome.R;
 import org.chromium.chrome.browser.widget.NumberRollView;
 import org.chromium.chrome.browser.widget.TintedDrawable;
 import org.chromium.chrome.browser.widget.TintedImageButton;
+import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet;
 import org.chromium.chrome.browser.widget.displaystyle.DisplayStyleObserver;
 import org.chromium.chrome.browser.widget.displaystyle.HorizontalDisplayStyle;
 import org.chromium.chrome.browser.widget.displaystyle.UiConfig;
@@ -81,11 +82,14 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
     protected SelectionDelegate<E> mSelectionDelegate;
     protected boolean mIsSearching;
 
+    private BottomSheet mBottomSheet;
+
     private boolean mHasSearchView;
     private LinearLayout mSearchView;
     private EditText mSearchEditText;
     private TintedImageButton mClearTextButton;
     private SearchDelegate mSearchDelegate;
+    private boolean mIsLightTheme;
 
     protected NumberRollView mNumberRollView;
     private DrawerLayout mDrawerLayout;
@@ -483,6 +487,20 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
     }
 
     /**
+     * @param sheet The {@link BottomSheet} for Chrome Home if it exists.
+     */
+    public void setBottomSheet(BottomSheet sheet) {
+        mBottomSheet = sheet;
+    }
+
+    /**
+     * @return Whether or not the toolbar is currently using a light theme.
+     */
+    public boolean isLightTheme() {
+        return mIsLightTheme;
+    }
+
+    /**
      * Set up ActionBarDrawerToggle, a.k.a. hamburger button.
      */
     private void initActionBarDrawerToggle() {
@@ -509,6 +527,7 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
         mNumberRollView.setVisibility(View.GONE);
         mNumberRollView.setNumber(0, false);
 
+        mIsLightTheme = false;
         updateDisplayStyleIfNecessary();
     }
 
@@ -528,6 +547,7 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
 
         if (mIsSearching) UiUtils.hideKeyboard(mSearchEditText);
 
+        mIsLightTheme = true;
         updateDisplayStyleIfNecessary();
     }
 
@@ -539,10 +559,12 @@ public class SelectableListToolbar<E> extends Toolbar implements SelectionObserv
         setNavigationButton(NAVIGATION_BUTTON_BACK);
         setBackgroundColor(mSearchBackgroundColor);
 
+        mIsLightTheme = false;
         updateDisplayStyleIfNecessary();
     }
 
     private void updateDisplayStyleIfNecessary() {
+        if (mBottomSheet != null) mBottomSheet.updateHandleTint();
         if (mUiConfig != null) onDisplayStyleChanged(mUiConfig.getCurrentDisplayStyle());
     }