Handle null epicenters in EpicenterClipReveal. (3ca749ba) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/transition/EpicenterClipReveal.java

+27 −6

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		package com.android.internal.transition;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.ObjectAnimator;
		import android.animation.RectEvaluator;
		import android.content.Context;
		@@ -75,13 +76,13 @@ public class EpicenterClipReveal extends Visibility {
		return null;
		}

		final Rect start = getEpicenter();
		final Rect end = getBestRect(endValues);
		final Rect start = getEpicenterOrCenter(end);

		// Prepare the view.
		view.setClipBounds(start);

		return createRectAnimator(view, start, end);
		return createRectAnimator(view, start, end, endValues);
		}

		@Override
		@@ -92,12 +93,23 @@ public class EpicenterClipReveal extends Visibility {
		}

		final Rect start = getBestRect(startValues);
		final Rect end = getEpicenter();
		final Rect end = getEpicenterOrCenter(start);

		// Prepare the view.
		view.setClipBounds(start);

		return createRectAnimator(view, start, end);
		return createRectAnimator(view, start, end, endValues);
		}

		private Rect getEpicenterOrCenter(Rect bestRect) {
		final Rect epicenter = getEpicenter();
		if (epicenter != null) {
		return epicenter;
		}

		int centerX = bestRect.centerX();
		int centerY = bestRect.centerY();
		return new Rect(centerX, centerY, centerX, centerY);
		}

		private Rect getBestRect(TransitionValues values) {
		@@ -108,8 +120,17 @@ public class EpicenterClipReveal extends Visibility {
		return clipRect;
		}

		private Animator createRectAnimator(View view, Rect start, Rect end) {
		private Animator createRectAnimator(final View view, Rect start, Rect end,
		TransitionValues endValues) {
		final Rect terminalClip = (Rect) endValues.values.get(PROPNAME_CLIP);
		final RectEvaluator evaluator = new RectEvaluator(new Rect());
		return ObjectAnimator.ofObject(view, "clipBounds", evaluator, start, end);
		ObjectAnimator anim = ObjectAnimator.ofObject(view, "clipBounds", evaluator, start, end);
		anim.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		view.setClipBounds(terminalClip);
		}
		});
		return anim;
		}
		}