1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher2; 18 19 import android.animation.Animator; 20 import android.animation.Animator.AnimatorListener; 21 import android.animation.TimeInterpolator; 22 import android.view.ViewPropertyAnimator; 23 import android.view.View; 24 25 import java.util.ArrayList; 26 import java.util.EnumSet; 27 28 public class LauncherViewPropertyAnimator extends Animator implements AnimatorListener { 29 enum Properties { 30 TRANSLATION_X, 31 TRANSLATION_Y, 32 SCALE_X, 33 SCALE_Y, 34 ROTATION_Y, 35 ALPHA, 36 START_DELAY, 37 DURATION, 38 INTERPOLATOR 39 } 40 EnumSet<Properties> mPropertiesToSet = EnumSet.noneOf(Properties.class); 41 ViewPropertyAnimator mViewPropertyAnimator; 42 View mTarget; 43 44 float mTranslationX; 45 float mTranslationY; 46 float mScaleX; 47 float mScaleY; 48 float mRotationY; 49 float mAlpha; 50 long mStartDelay; 51 long mDuration; 52 TimeInterpolator mInterpolator; 53 ArrayList<Animator.AnimatorListener> mListeners; 54 boolean mRunning = false; 55 LauncherViewPropertyAnimator(View target)56 public LauncherViewPropertyAnimator(View target) { 57 mTarget = target; 58 mListeners = new ArrayList<Animator.AnimatorListener>(); 59 } 60 61 @Override addListener(Animator.AnimatorListener listener)62 public void addListener(Animator.AnimatorListener listener) { 63 mListeners.add(listener); 64 } 65 66 @Override cancel()67 public void cancel() { 68 if (mViewPropertyAnimator != null) { 69 mViewPropertyAnimator.cancel(); 70 } 71 } 72 73 @Override clone()74 public Animator clone() { 75 throw new RuntimeException("Not implemented"); 76 } 77 78 @Override end()79 public void end() { 80 throw new RuntimeException("Not implemented"); 81 } 82 83 @Override getDuration()84 public long getDuration() { 85 return mDuration; 86 } 87 88 @Override getListeners()89 public ArrayList<Animator.AnimatorListener> getListeners() { 90 return mListeners; 91 } 92 93 @Override getStartDelay()94 public long getStartDelay() { 95 return mStartDelay; 96 } 97 98 @Override onAnimationCancel(Animator animation)99 public void onAnimationCancel(Animator animation) { 100 for (int i = 0; i < mListeners.size(); i++) { 101 Animator.AnimatorListener listener = mListeners.get(i); 102 listener.onAnimationCancel(this); 103 } 104 mRunning = false; 105 } 106 107 @Override onAnimationEnd(Animator animation)108 public void onAnimationEnd(Animator animation) { 109 for (int i = 0; i < mListeners.size(); i++) { 110 Animator.AnimatorListener listener = mListeners.get(i); 111 listener.onAnimationEnd(this); 112 } 113 mRunning = false; 114 } 115 116 @Override onAnimationRepeat(Animator animation)117 public void onAnimationRepeat(Animator animation) { 118 for (int i = 0; i < mListeners.size(); i++) { 119 Animator.AnimatorListener listener = mListeners.get(i); 120 listener.onAnimationRepeat(this); 121 } 122 } 123 124 @Override onAnimationStart(Animator animation)125 public void onAnimationStart(Animator animation) { 126 for (int i = 0; i < mListeners.size(); i++) { 127 Animator.AnimatorListener listener = mListeners.get(i); 128 listener.onAnimationStart(this); 129 } 130 mRunning = true; 131 } 132 133 @Override isRunning()134 public boolean isRunning() { 135 return mRunning; 136 } 137 138 @Override isStarted()139 public boolean isStarted() { 140 return mViewPropertyAnimator != null; 141 } 142 143 @Override removeAllListeners()144 public void removeAllListeners() { 145 mListeners.clear(); 146 } 147 148 @Override removeListener(Animator.AnimatorListener listener)149 public void removeListener(Animator.AnimatorListener listener) { 150 mListeners.remove(listener); 151 } 152 153 @Override setDuration(long duration)154 public Animator setDuration(long duration) { 155 mPropertiesToSet.add(Properties.DURATION); 156 mDuration = duration; 157 return this; 158 } 159 160 @Override setInterpolator(TimeInterpolator value)161 public void setInterpolator(TimeInterpolator value) { 162 mPropertiesToSet.add(Properties.INTERPOLATOR); 163 mInterpolator = value; 164 } 165 166 @Override setStartDelay(long startDelay)167 public void setStartDelay(long startDelay) { 168 mPropertiesToSet.add(Properties.START_DELAY); 169 mStartDelay = startDelay; 170 } 171 172 @Override setTarget(Object target)173 public void setTarget(Object target) { 174 throw new RuntimeException("Not implemented"); 175 } 176 177 @Override setupEndValues()178 public void setupEndValues() { 179 180 } 181 182 @Override setupStartValues()183 public void setupStartValues() { 184 } 185 186 @Override start()187 public void start() { 188 mViewPropertyAnimator = mTarget.animate(); 189 if (mPropertiesToSet.contains(Properties.TRANSLATION_X)) { 190 mViewPropertyAnimator.translationX(mTranslationX); 191 } 192 if (mPropertiesToSet.contains(Properties.TRANSLATION_Y)) { 193 mViewPropertyAnimator.translationY(mTranslationY); 194 } 195 if (mPropertiesToSet.contains(Properties.SCALE_X)) { 196 mViewPropertyAnimator.scaleX(mScaleX); 197 } 198 if (mPropertiesToSet.contains(Properties.ROTATION_Y)) { 199 mViewPropertyAnimator.rotationY(mRotationY); 200 } 201 if (mPropertiesToSet.contains(Properties.SCALE_Y)) { 202 mViewPropertyAnimator.scaleY(mScaleY); 203 } 204 if (mPropertiesToSet.contains(Properties.ALPHA)) { 205 mViewPropertyAnimator.alpha(mAlpha); 206 } 207 if (mPropertiesToSet.contains(Properties.START_DELAY)) { 208 mViewPropertyAnimator.setStartDelay(mStartDelay); 209 } 210 if (mPropertiesToSet.contains(Properties.DURATION)) { 211 mViewPropertyAnimator.setDuration(mDuration); 212 } 213 if (mPropertiesToSet.contains(Properties.INTERPOLATOR)) { 214 mViewPropertyAnimator.setInterpolator(mInterpolator); 215 } 216 mViewPropertyAnimator.setListener(this); 217 mViewPropertyAnimator.start(); 218 } 219 translationX(float value)220 public LauncherViewPropertyAnimator translationX(float value) { 221 mPropertiesToSet.add(Properties.TRANSLATION_X); 222 mTranslationX = value; 223 return this; 224 } 225 translationY(float value)226 public LauncherViewPropertyAnimator translationY(float value) { 227 mPropertiesToSet.add(Properties.TRANSLATION_Y); 228 mTranslationY = value; 229 return this; 230 } 231 scaleX(float value)232 public LauncherViewPropertyAnimator scaleX(float value) { 233 mPropertiesToSet.add(Properties.SCALE_X); 234 mScaleX = value; 235 return this; 236 } 237 scaleY(float value)238 public LauncherViewPropertyAnimator scaleY(float value) { 239 mPropertiesToSet.add(Properties.SCALE_Y); 240 mScaleY = value; 241 return this; 242 } 243 rotationY(float value)244 public LauncherViewPropertyAnimator rotationY(float value) { 245 mPropertiesToSet.add(Properties.ROTATION_Y); 246 mRotationY = value; 247 return this; 248 } 249 alpha(float value)250 public LauncherViewPropertyAnimator alpha(float value) { 251 mPropertiesToSet.add(Properties.ALPHA); 252 mAlpha = value; 253 return this; 254 } 255 } 256