diff options
Diffstat (limited to 'actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/IntKeyframeSet.java')
| -rw-r--r-- | actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/IntKeyframeSet.java | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/IntKeyframeSet.java b/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/IntKeyframeSet.java deleted file mode 100644 index e9215e7f8..000000000 --- a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/IntKeyframeSet.java +++ /dev/null @@ -1,135 +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.IntKeyframe; - -/** - * This class holds a collection of IntKeyframe 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 - * float, 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 IntKeyframeSet extends KeyframeSet { - private int firstValue; - private int lastValue; - private int deltaValue; - private boolean firstTime = true; - - public IntKeyframeSet(IntKeyframe... keyframes) { - super(keyframes); - } - - @Override - public Object getValue(float fraction) { - return getIntValue(fraction); - } - - @Override - public IntKeyframeSet clone() { - ArrayList<Keyframe> keyframes = mKeyframes; - int numKeyframes = mKeyframes.size(); - IntKeyframe[] newKeyframes = new IntKeyframe[numKeyframes]; - for (int i = 0; i < numKeyframes; ++i) { - newKeyframes[i] = (IntKeyframe) keyframes.get(i).clone(); - } - IntKeyframeSet newSet = new IntKeyframeSet(newKeyframes); - return newSet; - } - - public int getIntValue(float fraction) { - if (mNumKeyframes == 2) { - if (firstTime) { - firstTime = false; - firstValue = ((IntKeyframe) mKeyframes.get(0)).getIntValue(); - lastValue = ((IntKeyframe) mKeyframes.get(1)).getIntValue(); - deltaValue = lastValue - firstValue; - } - if (mInterpolator != null) { - fraction = mInterpolator.getInterpolation(fraction); - } - if (mEvaluator == null) { - return firstValue + (int)(fraction * deltaValue); - } else { - return ((Number)mEvaluator.evaluate(fraction, firstValue, lastValue)).intValue(); - } - } - if (fraction <= 0f) { - final IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(0); - final IntKeyframe nextKeyframe = (IntKeyframe) mKeyframes.get(1); - int prevValue = prevKeyframe.getIntValue(); - int nextValue = nextKeyframe.getIntValue(); - 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 + (int)(intervalFraction * (nextValue - prevValue)) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)). - intValue(); - } else if (fraction >= 1f) { - final IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(mNumKeyframes - 2); - final IntKeyframe nextKeyframe = (IntKeyframe) mKeyframes.get(mNumKeyframes - 1); - int prevValue = prevKeyframe.getIntValue(); - int nextValue = nextKeyframe.getIntValue(); - 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 + (int)(intervalFraction * (nextValue - prevValue)) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)).intValue(); - } - IntKeyframe prevKeyframe = (IntKeyframe) mKeyframes.get(0); - for (int i = 1; i < mNumKeyframes; ++i) { - IntKeyframe nextKeyframe = (IntKeyframe) 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()); - int prevValue = prevKeyframe.getIntValue(); - int nextValue = nextKeyframe.getIntValue(); - return mEvaluator == null ? - prevValue + (int)(intervalFraction * (nextValue - prevValue)) : - ((Number)mEvaluator.evaluate(intervalFraction, prevValue, nextValue)). - intValue(); - } - prevKeyframe = nextKeyframe; - } - // shouldn't get here - return ((Number)mKeyframes.get(mNumKeyframes - 1).getValue()).intValue(); - } - -} - |