LauncherViewPropertyAnimator.java revision 8a309c257a97d9c4c402fae5f00941e8169ea541
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 17package com.android.launcher2; 18 19import android.animation.Animator; 20import android.animation.Animator.AnimatorListener; 21import android.animation.TimeInterpolator; 22import android.view.ViewPropertyAnimator; 23import android.view.View; 24 25import java.util.ArrayList; 26import java.util.EnumSet; 27 28public 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 Animator.AnimatorListener mListener; 54 boolean mRunning = false; 55 56 public LauncherViewPropertyAnimator(View target) { 57 mTarget = target; 58 } 59 60 @Override 61 public void addListener(Animator.AnimatorListener listener) { 62 if (mListener != null) { 63 throw new RuntimeException("Only one listener supported"); 64 } 65 mListener = listener; 66 } 67 68 @Override 69 public void cancel() { 70 if (mViewPropertyAnimator != null) { 71 mViewPropertyAnimator.cancel(); 72 } 73 } 74 75 @Override 76 public Animator clone() { 77 throw new RuntimeException("Not implemented"); 78 } 79 80 @Override 81 public void end() { 82 throw new RuntimeException("Not implemented"); 83 } 84 85 @Override 86 public long getDuration() { 87 return mDuration; 88 } 89 90 @Override 91 public ArrayList<Animator.AnimatorListener> getListeners() { 92 return null; 93 } 94 95 @Override 96 public long getStartDelay() { 97 return mStartDelay; 98 } 99 100 @Override 101 public void onAnimationCancel(Animator animation) { 102 if (mListener != null) { 103 mListener.onAnimationCancel(this); 104 } 105 mRunning = false; 106 } 107 108 @Override 109 public void onAnimationEnd(Animator animation) { 110 if (mListener != null) { 111 mListener.onAnimationEnd(this); 112 } 113 mRunning = false; 114 } 115 116 @Override 117 public void onAnimationRepeat(Animator animation) { 118 if (mListener != null) { 119 mListener.onAnimationRepeat(this); 120 } 121 } 122 123 @Override 124 public void onAnimationStart(Animator animation) { 125 if (mListener != null) { 126 mListener.onAnimationStart(this); 127 } 128 mRunning = true; 129 } 130 131 @Override 132 public boolean isRunning() { 133 return mRunning; 134 } 135 136 @Override 137 public boolean isStarted() { 138 return mViewPropertyAnimator != null; 139 } 140 141 @Override 142 public void removeAllListeners() { 143 mListener = null; 144 } 145 146 @Override 147 public void removeListener(Animator.AnimatorListener listener) { 148 if (mListener == listener) { 149 mListener = null; 150 } else { 151 throw new RuntimeException("Removing listener that wasn't set"); 152 } 153 } 154 155 @Override 156 public Animator setDuration(long duration) { 157 mPropertiesToSet.add(Properties.DURATION); 158 mDuration = duration; 159 return this; 160 } 161 162 @Override 163 public void setInterpolator(TimeInterpolator value) { 164 mPropertiesToSet.add(Properties.INTERPOLATOR); 165 mInterpolator = value; 166 } 167 168 @Override 169 public void setStartDelay(long startDelay) { 170 mPropertiesToSet.add(Properties.START_DELAY); 171 mStartDelay = startDelay; 172 } 173 174 @Override 175 public void setTarget(Object target) { 176 throw new RuntimeException("Not implemented"); 177 } 178 179 @Override 180 public void setupEndValues() { 181 182 } 183 184 @Override 185 public void setupStartValues() { 186 } 187 188 @Override 189 public void start() { 190 mViewPropertyAnimator = mTarget.animate(); 191 if (mPropertiesToSet.contains(Properties.TRANSLATION_X)) { 192 mViewPropertyAnimator.translationX(mTranslationX); 193 } 194 if (mPropertiesToSet.contains(Properties.TRANSLATION_Y)) { 195 mViewPropertyAnimator.translationY(mTranslationY); 196 } 197 if (mPropertiesToSet.contains(Properties.SCALE_X)) { 198 mViewPropertyAnimator.scaleX(mScaleX); 199 } 200 if (mPropertiesToSet.contains(Properties.ROTATION_Y)) { 201 mViewPropertyAnimator.rotationY(mRotationY); 202 } 203 if (mPropertiesToSet.contains(Properties.SCALE_Y)) { 204 mViewPropertyAnimator.scaleY(mScaleY); 205 } 206 if (mPropertiesToSet.contains(Properties.ALPHA)) { 207 mViewPropertyAnimator.alpha(mAlpha); 208 } 209 if (mPropertiesToSet.contains(Properties.START_DELAY)) { 210 mViewPropertyAnimator.setStartDelay(mStartDelay); 211 } 212 if (mPropertiesToSet.contains(Properties.DURATION)) { 213 mViewPropertyAnimator.setDuration(mDuration); 214 } 215 if (mPropertiesToSet.contains(Properties.INTERPOLATOR)) { 216 mViewPropertyAnimator.setInterpolator(mInterpolator); 217 } 218 mViewPropertyAnimator.setListener(this); 219 mViewPropertyAnimator.start(); 220 } 221 222 public LauncherViewPropertyAnimator translationX(float value) { 223 mPropertiesToSet.add(Properties.TRANSLATION_X); 224 mTranslationX = value; 225 return this; 226 } 227 228 public LauncherViewPropertyAnimator translationY(float value) { 229 mPropertiesToSet.add(Properties.TRANSLATION_Y); 230 mTranslationY = value; 231 return this; 232 } 233 234 public LauncherViewPropertyAnimator scaleX(float value) { 235 mPropertiesToSet.add(Properties.SCALE_X); 236 mScaleX = value; 237 return this; 238 } 239 240 public LauncherViewPropertyAnimator scaleY(float value) { 241 mPropertiesToSet.add(Properties.SCALE_Y); 242 mScaleY = value; 243 return this; 244 } 245 246 public LauncherViewPropertyAnimator rotationY(float value) { 247 mPropertiesToSet.add(Properties.ROTATION_Y); 248 mRotationY = value; 249 return this; 250 } 251 252 public LauncherViewPropertyAnimator alpha(float value) { 253 mPropertiesToSet.add(Properties.ALPHA); 254 mAlpha = value; 255 return this; 256 } 257} 258