LauncherViewPropertyAnimator.java revision 7407d2a16ed6cf22494122cf683bf13de6fa3695
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 mViewPropertyAnimator.cancel(); 71 } 72 73 @Override 74 public Animator clone() { 75 throw new RuntimeException("Not implemented"); 76 } 77 78 @Override 79 public void end() { 80 throw new RuntimeException("Not implemented"); 81 } 82 83 @Override 84 public long getDuration() { 85 return mViewPropertyAnimator.getDuration(); 86 } 87 88 @Override 89 public ArrayList<Animator.AnimatorListener> getListeners() { 90 return null; 91 } 92 93 @Override 94 public long getStartDelay() { 95 return mViewPropertyAnimator.getStartDelay(); 96 } 97 98 @Override 99 public void onAnimationCancel(Animator animation) { 100 if (mListener != null) { 101 mListener.onAnimationCancel(this); 102 } 103 mRunning = false; 104 } 105 106 @Override 107 public void onAnimationEnd(Animator animation) { 108 if (mListener != null) { 109 mListener.onAnimationEnd(this); 110 } 111 mRunning = false; 112 } 113 114 @Override 115 public void onAnimationRepeat(Animator animation) { 116 if (mListener != null) { 117 mListener.onAnimationRepeat(this); 118 } 119 } 120 121 @Override 122 public void onAnimationStart(Animator animation) { 123 if (mListener != null) { 124 mListener.onAnimationStart(this); 125 } 126 mRunning = true; 127 } 128 129 @Override 130 public boolean isRunning() { 131 return mRunning; 132 } 133 134 @Override 135 public boolean isStarted() { 136 return mViewPropertyAnimator != null; 137 } 138 139 @Override 140 public void removeAllListeners() { 141 mListener = null; 142 } 143 144 @Override 145 public void removeListener(Animator.AnimatorListener listener) { 146 if (mListener == listener) { 147 mListener = null; 148 } else { 149 throw new RuntimeException("Removing listener that wasn't set"); 150 } 151 } 152 153 @Override 154 public Animator setDuration(long duration) { 155 mPropertiesToSet.add(Properties.DURATION); 156 mDuration = duration; 157 return this; 158 } 159 160 @Override 161 public void setInterpolator(TimeInterpolator value) { 162 mPropertiesToSet.add(Properties.INTERPOLATOR); 163 mInterpolator = value; 164 } 165 166 @Override 167 public void setStartDelay(long startDelay) { 168 mPropertiesToSet.add(Properties.START_DELAY); 169 mStartDelay = startDelay; 170 } 171 172 @Override 173 public void setTarget(Object target) { 174 throw new RuntimeException("Not implemented"); 175 } 176 177 @Override 178 public void setupEndValues() { 179 180 } 181 182 @Override 183 public void setupStartValues() { 184 } 185 186 @Override 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 } 219 220 public LauncherViewPropertyAnimator translationX(float value) { 221 mPropertiesToSet.add(Properties.TRANSLATION_X); 222 mTranslationX = value; 223 return this; 224 } 225 226 public LauncherViewPropertyAnimator translationY(float value) { 227 mPropertiesToSet.add(Properties.TRANSLATION_Y); 228 mTranslationY = value; 229 return this; 230 } 231 232 public LauncherViewPropertyAnimator scaleX(float value) { 233 mPropertiesToSet.add(Properties.SCALE_X); 234 mScaleX = value; 235 return this; 236 } 237 238 public LauncherViewPropertyAnimator scaleY(float value) { 239 mPropertiesToSet.add(Properties.SCALE_Y); 240 mScaleY = value; 241 return this; 242 } 243 244 public LauncherViewPropertyAnimator rotationY(float value) { 245 mPropertiesToSet.add(Properties.ROTATION_Y); 246 mRotationY = value; 247 return this; 248 } 249 250 public LauncherViewPropertyAnimator alpha(float value) { 251 mPropertiesToSet.add(Properties.ALPHA); 252 mAlpha = value; 253 return this; 254 } 255} 256