diff options
Diffstat (limited to 'InCallUI/src/com/android/incallui/InCallAnimationUtils.java')
| -rw-r--r-- | InCallUI/src/com/android/incallui/InCallAnimationUtils.java | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/InCallUI/src/com/android/incallui/InCallAnimationUtils.java b/InCallUI/src/com/android/incallui/InCallAnimationUtils.java deleted file mode 100644 index 44bb369e6..000000000 --- a/InCallUI/src/com/android/incallui/InCallAnimationUtils.java +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (C) 2012 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.incallui; - -import android.animation.Animator; -import android.animation.AnimatorListenerAdapter; -import android.animation.ObjectAnimator; -import android.graphics.Canvas; -import android.graphics.drawable.BitmapDrawable; -import android.graphics.drawable.Drawable; -import android.graphics.drawable.LayerDrawable; -import android.view.ViewPropertyAnimator; -import android.widget.ImageView; - -/** - * Utilities for Animation. - */ -public class InCallAnimationUtils { - private static final String LOG_TAG = InCallAnimationUtils.class.getSimpleName(); - /** - * Turn on when you're interested in fading animation. Intentionally untied from other debug - * settings. - */ - private static final boolean FADE_DBG = false; - - /** - * Duration for animations in msec, which can be used with - * {@link ViewPropertyAnimator#setDuration(long)} for example. - */ - public static final int ANIMATION_DURATION = 250; - - private InCallAnimationUtils() { - } - - /** - * Drawable achieving cross-fade, just like TransitionDrawable. We can have - * call-backs via animator object (see also {@link CrossFadeDrawable#getAnimator()}). - */ - private static class CrossFadeDrawable extends LayerDrawable { - private final ObjectAnimator mAnimator; - - public CrossFadeDrawable(Drawable[] layers) { - super(layers); - mAnimator = ObjectAnimator.ofInt(this, "crossFadeAlpha", 0xff, 0); - } - - private int mCrossFadeAlpha; - - /** - * This will be used from ObjectAnimator. - * Note: this method is protected by proguard.flags so that it won't be removed - * automatically. - */ - @SuppressWarnings("unused") - public void setCrossFadeAlpha(int alpha) { - mCrossFadeAlpha = alpha; - invalidateSelf(); - } - - public ObjectAnimator getAnimator() { - return mAnimator; - } - - @Override - public void draw(Canvas canvas) { - Drawable first = getDrawable(0); - Drawable second = getDrawable(1); - - if (mCrossFadeAlpha > 0) { - first.setAlpha(mCrossFadeAlpha); - first.draw(canvas); - first.setAlpha(255); - } - - if (mCrossFadeAlpha < 0xff) { - second.setAlpha(0xff - mCrossFadeAlpha); - second.draw(canvas); - second.setAlpha(0xff); - } - } - } - - private static CrossFadeDrawable newCrossFadeDrawable(Drawable first, Drawable second) { - Drawable[] layers = new Drawable[2]; - layers[0] = first; - layers[1] = second; - return new CrossFadeDrawable(layers); - } - - /** - * Starts cross-fade animation using TransitionDrawable. Nothing will happen if "from" and "to" - * are the same. - */ - public static void startCrossFade( - final ImageView imageView, final Drawable from, final Drawable to) { - // We skip the cross-fade when those two Drawables are equal, or they are BitmapDrawables - // pointing to the same Bitmap. - final boolean drawableIsEqual = (from != null && to != null && from.equals(to)); - final boolean hasFromImage = ((from instanceof BitmapDrawable) && - ((BitmapDrawable) from).getBitmap() != null); - final boolean hasToImage = ((to instanceof BitmapDrawable) && - ((BitmapDrawable) to).getBitmap() != null); - final boolean areSameImage = drawableIsEqual || (hasFromImage && hasToImage && - ((BitmapDrawable) from).getBitmap().equals(((BitmapDrawable) to).getBitmap())); - - if (!areSameImage) { - if (FADE_DBG) { - log("Start cross-fade animation for " + imageView - + "(" + Integer.toHexString(from.hashCode()) + " -> " - + Integer.toHexString(to.hashCode()) + ")"); - } - - CrossFadeDrawable crossFadeDrawable = newCrossFadeDrawable(from, to); - ObjectAnimator animator = crossFadeDrawable.getAnimator(); - imageView.setImageDrawable(crossFadeDrawable); - animator.setDuration(ANIMATION_DURATION); - animator.addListener(new AnimatorListenerAdapter() { - @Override - public void onAnimationStart(Animator animation) { - if (FADE_DBG) { - log("cross-fade animation start (" - + Integer.toHexString(from.hashCode()) + " -> " - + Integer.toHexString(to.hashCode()) + ")"); - } - } - - @Override - public void onAnimationEnd(Animator animation) { - if (FADE_DBG) { - log("cross-fade animation ended (" - + Integer.toHexString(from.hashCode()) + " -> " - + Integer.toHexString(to.hashCode()) + ")"); - } - animation.removeAllListeners(); - // Workaround for issue 6300562; this will force the drawable to the - // resultant one regardless of animation glitch. - imageView.setImageDrawable(to); - } - }); - animator.start(); - - /* We could use TransitionDrawable here, but it may cause some weird animation in - * some corner cases. See issue 6300562 - * TODO: decide which to be used in the long run. TransitionDrawable is old but system - * one. Ours uses new animation framework and thus have callback (great for testing), - * while no framework support for the exact class. - - Drawable[] layers = new Drawable[2]; - layers[0] = from; - layers[1] = to; - TransitionDrawable transitionDrawable = new TransitionDrawable(layers); - imageView.setImageDrawable(transitionDrawable); - transitionDrawable.startTransition(ANIMATION_DURATION); */ - imageView.setTag(to); - } else if (!hasFromImage && hasToImage) { - imageView.setImageDrawable(to); - imageView.setTag(to); - } else { - if (FADE_DBG) { - log("*Not* start cross-fade. " + imageView); - } - } - } - - // Debugging / testing code - - private static void log(String msg) { - Log.d(LOG_TAG, msg); - } -}
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