Fix bug 3502257 - overscroll effect api (07d6f7bd) · Commits · e / os / android_frameworks_base

core/java/android/widget/AbsListView.java

+19 −4

Original line number	Diff line number	Diff line
		@@ -624,6 +624,9 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		*/
		private boolean mForceTranscriptScroll;

		private int mGlowPaddingLeft;
		private int mGlowPaddingRight;

		/**
		* Interface definition for a callback to be invoked when the list or grid
		* has been scrolled.
		@@ -3314,9 +3317,11 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		final int scrollY = mScrollY;
		if (!mEdgeGlowTop.isFinished()) {
		final int restoreCount = canvas.save();
		final int width = getWidth() - mListPadding.left - mListPadding.right;
		final int leftPadding = mListPadding.left + mGlowPaddingLeft;
		final int rightPadding = mListPadding.right + mGlowPaddingRight;
		final int width = getWidth() - leftPadding - rightPadding;

		canvas.translate(mListPadding.left,
		canvas.translate(leftPadding,
		Math.min(0, scrollY + mFirstPositionDistanceGuess));
		mEdgeGlowTop.setSize(width, getHeight());
		if (mEdgeGlowTop.draw(canvas)) {
		@@ -3326,10 +3331,12 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		}
		if (!mEdgeGlowBottom.isFinished()) {
		final int restoreCount = canvas.save();
		final int width = getWidth() - mListPadding.left - mListPadding.right;
		final int leftPadding = mListPadding.left + mGlowPaddingLeft;
		final int rightPadding = mListPadding.right + mGlowPaddingRight;
		final int width = getWidth() - leftPadding - rightPadding;
		final int height = getHeight();

		canvas.translate(-width + mListPadding.left,
		canvas.translate(-width + leftPadding,
		Math.max(height, scrollY + mLastPositionDistanceGuess));
		canvas.rotate(180, width, 0);
		mEdgeGlowBottom.setSize(width, height);
		@@ -3353,6 +3360,14 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		}
		}

		/**
		* @hide
		*/
		public void setOverScrollEffectPadding(int leftPadding, int rightPadding) {
		mGlowPaddingLeft = leftPadding;
		mGlowPaddingRight = rightPadding;
		}

		@Override
		public boolean onInterceptTouchEvent(MotionEvent ev) {
		int action = ev.getAction();