[Home] Record some user actions for the Chrome Home BottomSheet

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

 // Copyright 2016 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.toolbar;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.support.v7.widget.Toolbar;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet;
+import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetObserver;
 
 /**
  * Phone specific toolbar that exists at the bottom of the screen.
  */
 public class BottomToolbarPhone extends ToolbarPhone implements BottomSheetObserver {
     /** The white version of the toolbar handle; used for dark themes and incognito. */
     private final Bitmap mHandleLight;
 
     /** The dark version of the toolbar handle; this is the default handle to use. */
@@ skipping 193 matching lines @@
         boolean isMovingDown = heightFraction < mLastHeightFraction;
         mLastHeightFraction = heightFraction;
 
         // The only time the omnibox should have focus is when the sheet is fully expanded. Any
         // movement of the sheet should unfocus it.
         if (isMovingDown && getLocationBar().isUrlBarFocused()) {
             getLocationBar().setUrlBarFocus(false);
         }
     }
 
+    @Override
+    public void onSheetStateChanged(int newState) {}
+
+    @Override
+    public void onSheetContentChanged(BottomSheetContent newContent) {}
+
     /**
      * Sets the height and title text appearance of the provided toolbar so that its style is
      * consistent with BottomToolbarPhone.
      * @param otherToolbar The other {@link Toolbar} to style.
      */
     public void setOtherToolbarStyle(Toolbar otherToolbar) {
         // Android's Toolbar class typically changes its height based on device orientation.
         // BottomToolbarPhone has a fixed height. Update |toolbar| to match.
         otherToolbar.getLayoutParams().height = getHeight();
 
         // Android Toolbar action buttons are aligned based on the minimum height.
         int extraTopMargin = getExtraTopMargin();
         otherToolbar.setMinimumHeight(getHeight() - extraTopMargin);
 
         otherToolbar.setTitleTextAppearance(
                 otherToolbar.getContext(), R.style.BottomSheetContentTitle);
         ApiCompatibilityUtils.setPaddingRelative(otherToolbar,
                 ApiCompatibilityUtils.getPaddingStart(otherToolbar),
                 otherToolbar.getPaddingTop() + extraTopMargin,
                 ApiCompatibilityUtils.getPaddingEnd(otherToolbar), otherToolbar.getPaddingBottom());
 
         otherToolbar.requestLayout();
     }
 }