diff options
Diffstat (limited to 'actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatKeyframeSet.java')
| -rw-r--r-- | actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatKeyframeSet.java | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatKeyframeSet.java b/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatKeyframeSet.java deleted file mode 100644 index 6d9dafa7a..000000000 --- a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatKeyframeSet.java +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (C) 2010 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.actionbarsherlock.internal.nineoldandroids.animation; - -import java.util.ArrayList; -import android.view.animation.Interpolator; - -import com.actionbarsherlock.internal.nineoldandroids.animation.Keyframe.FloatKeyframe; - -/** - * This class holds a collection of FloatKeyframe objects and is called by ValueAnimator to calculate - * values between those keyframes for a given animation. The class internal to the animation - * package because it is an implementation detail of how Keyframes are stored and used. - * - * <p>This type-specific subclass of KeyframeSet, along with the other type-specific subclass for - * int, exists to speed up the getValue() method when there is no custom - * TypeEvaluator set for the animation, so that values can be calculated without autoboxing to the - * Object equivalents of these primitive types.</p> - */ -@SuppressWarnings("unchecked") -class FloatKeyframeSet extends KeyframeSet { - private float firstValue; - private float lastValue; - private float deltaValue; - private boolean firstTime = true; - - public FloatKeyframeSet(FloatKeyframe... keyframes) { - super(keyframes); - } - - @Override - public Object getValue(float fraction) { - return getFloatValue(fraction); - } - - @Override - public FloatKeyframeSet clone() { - ArrayList<Keyframe> keyframes = mKeyframes; - int numKeyframes = mKeyframes.size(); - FloatKeyframe[] newKeyframes = new FloatKeyframe[numKeyframes]; - for (int i = 0; i < numKeyframes; ++i) { - newKeyframes[i] = (FloatKeyframe) keyframes.get(i).clone(); - } - FloatKeyframeSet newSet = new FloatKeyframeSet(newKeyframes); - return newSet; - } - - public float getFloatValue(float fraction) { - if (mNumKeyframes == 2) { - if (firstTime) { - firstTime = false; - firstValue = ((FloatKeyframe) mKeyframes.get(0)).getFloatValue(); - lastValue = ((FloatKeyframe) mKeyframes.get(1)).getFloatValue(); - deltaValue = lastValue - firstValue; - } - if (mInterpolator != null) { - fraction = mInterpolator.getInterpolation(fraction); - } - if (mEvaluator == null) { - return firstValue + fraction * deltaValue; - } else { - return ((Number)mEvaluator.evaluate(fraction, firstValue, lastValue)).floatValue(); - } - } - if (fraction <= 0f) { - final FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(0); - final FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(1); - float prevValue = prevKeyframe.getFloatValue(); - float nextValue = nextKeyframe.getFloatValue(); - float prevFraction = prevKeyframe.getFraction(); - float nextFraction = nextKeyframe.getFraction(); - final /*Time*/Interpolator interpolator = nextKeyframe.getInterpolator(); - if (interpolator != null) { - fraction = interpolator.getInterpolation(fraction); - } - float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction); - return mEvaluator == null ? - prevValue + intervalFraction * (nextValue - prevValue) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)). - floatValue(); - } else if (fraction >= 1f) { - final FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(mNumKeyframes - 2); - final FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(mNumKeyframes - 1); - float prevValue = prevKeyframe.getFloatValue(); - float nextValue = nextKeyframe.getFloatValue(); - float prevFraction = prevKeyframe.getFraction(); - float nextFraction = nextKeyframe.getFraction(); - final /*Time*/Interpolator interpolator = nextKeyframe.getInterpolator(); - if (interpolator != null) { - fraction = interpolator.getInterpolation(fraction); - } - float intervalFraction = (fraction - prevFraction) / (nextFraction - prevFraction); - return mEvaluator == null ? - prevValue + intervalFraction * (nextValue - prevValue) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)). - floatValue(); - } - FloatKeyframe prevKeyframe = (FloatKeyframe) mKeyframes.get(0); - for (int i = 1; i < mNumKeyframes; ++i) { - FloatKeyframe nextKeyframe = (FloatKeyframe) mKeyframes.get(i); - if (fraction < nextKeyframe.getFraction()) { - final /*Time*/Interpolator interpolator = nextKeyframe.getInterpolator(); - if (interpolator != null) { - fraction = interpolator.getInterpolation(fraction); - } - float intervalFraction = (fraction - prevKeyframe.getFraction()) / - (nextKeyframe.getFraction() - prevKeyframe.getFraction()); - float prevValue = prevKeyframe.getFloatValue(); - float nextValue = nextKeyframe.getFloatValue(); - return mEvaluator == null ? - prevValue + intervalFraction * (nextValue - prevValue) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)). - floatValue(); - } - prevKeyframe = nextKeyframe; - } - // shouldn't get here - return ((Number)mKeyframes.get(mNumKeyframes - 1).getValue()).floatValue(); - } - -} - |