diff options
Diffstat (limited to 'mobile/android/base/java/org/mozilla/gecko/animation/HeightChangeAnimation.java')
-rw-r--r-- | mobile/android/base/java/org/mozilla/gecko/animation/HeightChangeAnimation.java | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/animation/HeightChangeAnimation.java b/mobile/android/base/java/org/mozilla/gecko/animation/HeightChangeAnimation.java new file mode 100644 index 000000000..bf8007bbf --- /dev/null +++ b/mobile/android/base/java/org/mozilla/gecko/animation/HeightChangeAnimation.java @@ -0,0 +1,27 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.animation; + +import android.view.View; +import android.view.animation.Animation; +import android.view.animation.Transformation; + +public class HeightChangeAnimation extends Animation { + int mFromHeight; + int mToHeight; + View mView; + + public HeightChangeAnimation(View view, int fromHeight, int toHeight) { + mView = view; + mFromHeight = fromHeight; + mToHeight = toHeight; + } + + @Override + protected void applyTransformation(float interpolatedTime, Transformation t) { + mView.getLayoutParams().height = Math.round((mFromHeight * (1 - interpolatedTime)) + (mToHeight * interpolatedTime)); + mView.requestLayout(); + } +} |