🏠 Add pull-handle to bottom toolbar

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

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
index 9855702654d7897a831d8746a036d830dd17354f..47f973feefcc2b55e409355232960f2fc7eb6f64 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java
@@ -77,8 +77,6 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
 
     private long mFirstDrawTimeMs;
 
-    protected final int mToolbarHeightWithoutShadow;
-
     private boolean mFindInPageToolbarShowing;
 
     protected boolean mShowMenuBadge;
@@ -90,8 +88,6 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
      */
     public ToolbarLayout(Context context, AttributeSet attrs) {
         super(context, attrs);
-        mToolbarHeightWithoutShadow = getResources().getDimensionPixelOffset(
-                getToolbarHeightWithoutShadowResId());
         mDarkModeTint =
                 ApiCompatibilityUtils.getColorStateList(getResources(), R.color.dark_mode_tint);
         mLightModeTint =
@@ -104,17 +100,24 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
      * @return The top margin of the progress bar.
      */
     protected int getProgressBarTopMargin() {
-        return mToolbarHeightWithoutShadow
+        return getHeight()
                 - getResources().getDimensionPixelSize(R.dimen.toolbar_progress_bar_height);
     }
 
     @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        super.onLayout(changed, left, top, right, bottom);
 
-        mProgressBar = new ToolbarProgressBar(getContext(), getProgressBarTopMargin());
+        if (mProgressBar == null) {
+            mProgressBar = new ToolbarProgressBar(getContext(), getProgressBarTopMargin());
+            if (isNativeLibraryReady()) mProgressBar.initializeAnimation();
+            addProgressBarToHierarchy();
+        }
+    }
 
-        if (isNativeLibraryReady()) mProgressBar.initializeAnimation();
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
 
         mMenuButton = (TintedImageButton) findViewById(R.id.menu_button);
         mMenuBadge = (ImageView) findViewById(R.id.menu_badge);
@@ -169,13 +172,6 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
     }
 
     /**
-     * @return The resource id to be used while getting the toolbar height with no shadow.
-     */
-    protected int getToolbarHeightWithoutShadowResId() {
-        return R.dimen.toolbar_height_no_shadow;
-    }
-
-    /**
      * Initialize the external dependencies required for view interaction.
      * @param toolbarDataProvider The provider for toolbar data.
      * @param tabController       The controller that handles interactions with the tab.
@@ -263,12 +259,6 @@ public abstract class ToolbarLayout extends FrameLayout implements Toolbar {
         mProgressBar.setProgressBarContainer(controlContainer);
     }
 
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        addProgressBarToHierarchy();
-    }
-
     /**
      * Shows the content description toast for items on the toolbar.
      * @param view The view to anchor the toast.