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+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package github.daneren2005.dsub.view;
+
+import android.view.View;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+
+/**
+ * Fades a view out by changing its alpha value.
+ *
+ * @author Sindre Mehus
+ * @version $Id: Util.java 3203 2012-10-04 09:12:08Z sindre_mehus $
+ */
+public class FadeOutAnimation extends AlphaAnimation {
+
+ private boolean cancelled;
+
+ /**
+ * Creates and starts the fade out animation.
+ *
+ * @param view The view to fade out (or display).
+ * @param fadeOut If true, the view is faded out. Otherwise it is immediately made visible.
+ * @param durationMillis Fade duration.
+ */
+ public static void createAndStart(View view, boolean fadeOut, long durationMillis) {
+ if (fadeOut) {
+ view.clearAnimation();
+ view.startAnimation(new FadeOutAnimation(view, durationMillis));
+ } else {
+ Animation animation = view.getAnimation();
+ if (animation instanceof FadeOutAnimation) {
+ ((FadeOutAnimation) animation).cancelFadeOut();
+ }
+ view.clearAnimation();
+ view.setVisibility(View.VISIBLE);
+ }
+ }
+
+ FadeOutAnimation(final View view, long durationMillis) {
+ super(1.0F, 0.0F);
+ setDuration(durationMillis);
+ setAnimationListener(new AnimationListener() {
+ public void onAnimationStart(Animation animation) {
+ }
+
+ public void onAnimationRepeat(Animation animation) {
+ }
+
+ public void onAnimationEnd(Animation animation) {
+ if (!cancelled) {
+ view.setVisibility(View.INVISIBLE);
+ }
+ }
+ });
+ }
+
+ private void cancelFadeOut() {
+ cancelled = true;
+ }
+}