allow subclassing for drawing vertical scrollbar, so that clients (e.g.... (4d6fe5ff) · Commits · e / os / android_frameworks_base

core/java/android/view/View.java

+17 −7

Original line number	Diff line number	Diff line
		@@ -5409,6 +5409,18 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
		scrollBar.draw(canvas);
		}

		/**
		* @hide
		*/
		protected void onDrawVScrollBar(Canvas canvas, ScrollBarDrawable scrollBar,
		int l, int t, int r, int b) {
		scrollBar.setBounds(l, t, r, b);
		scrollBar.setParameters(computeVerticalScrollRange(),
		computeVerticalScrollOffset(),
		computeVerticalScrollExtent(), true);
		scrollBar.draw(canvas);
		}

		/**
		* <p>Draw the vertical scrollbar if {@link #isVerticalScrollBarEnabled()}
		* returns true.</p>
		@@ -5441,13 +5453,11 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
		// TODO: Deal with RTL languages to position scrollbar on left
		final int left = scrollX + width - size - (mUserPaddingRight & inside);

		scrollBar.setBounds(left, scrollY + (mPaddingTop & inside),
		left + size, scrollY + height - (mUserPaddingBottom & inside));
		scrollBar.setParameters(
		computeVerticalScrollRange(),
		computeVerticalScrollOffset(),
		computeVerticalScrollExtent(), true);
		scrollBar.draw(canvas);
		onDrawVScrollBar(canvas, scrollBar,
		left,
		scrollY + (mPaddingTop & inside),
		left + size,
		scrollY + height - (mUserPaddingBottom & inside));
		}

		/**