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.launcher3; 18 19 import android.animation.Animator; 20 import android.animation.Animator.AnimatorListener; 21 import android.animation.TimeInterpolator; 22 import android.view.View; 23 import android.view.ViewPropertyAnimator; 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 WITH_LAYER 40 } 41 EnumSet<Properties> mPropertiesToSet = EnumSet.noneOf(Properties.class); 42 ViewPropertyAnimator mViewPropertyAnimator; 43 View mTarget; 44 45 float mTranslationX; 46 float mTranslationY; 47 float mScaleX; 48 float mScaleY; 49 float mRotationY; 50 float mAlpha; 51 long mStartDelay; 52 long mDuration; 53 TimeInterpolator mInterpolator; 54 ArrayList<Animator.AnimatorListener> mListeners; 55 boolean mRunning = false; 56 FirstFrameAnimatorHelper mFirstFrameHelper; 57 58 public LauncherViewPropertyAnimator(View target) { 59 mTarget = target; 60 mListeners = new ArrayList<Animator.AnimatorListener>(); 61 } 62 63 @Override 64 public void addListener(Animator.AnimatorListener listener) { 65 mListeners.add(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 mListeners; 93 } 94 95 @Override 96 public long getStartDelay() { 97 return mStartDelay; 98 } 99 100 @Override 101 public void onAnimationCancel(Animator animation) { 102 for (int i = 0; i < mListeners.size(); i++) { 103 Animator.AnimatorListener listener = mListeners.get(i); 104 listener.onAnimationCancel(this); 105 } 106 mRunning = false; 107 } 108 109 @Override 110 public void onAnimationEnd(Animator animation) { 111 for (int i = 0; i < mListeners.size(); i++) { 112 Animator.AnimatorListener listener = mListeners.get(i); 113 listener.onAnimationEnd(this); 114 } 115 mRunning = false; 116 } 117 118 @Override 119 public void onAnimationRepeat(Animator animation) { 120 for (int i = 0; i < mListeners.size(); i++) { 121 Animator.AnimatorListener listener = mListeners.get(i); 122 listener.onAnimationRepeat(this); 123 } 124 } 125 126 @Override 127 public void onAnimationStart(Animator animation) { 128 // This is the first time we get a handle to the internal ValueAnimator 129 // used by the ViewPropertyAnimator. 130 mFirstFrameHelper.onAnimationStart(animation); 131 132 for (int i = 0; i < mListeners.size(); i++) { 133 Animator.AnimatorListener listener = mListeners.get(i); 134 listener.onAnimationStart(this); 135 } 136 mRunning = true; 137 } 138 139 @Override 140 public boolean isRunning() { 141 return mRunning; 142 } 143 144 @Override 145 public boolean isStarted() { 146 return mViewPropertyAnimator != null; 147 } 148 149 @Override 150 public void removeAllListeners() { 151 mListeners.clear(); 152 } 153 154 @Override 155 public void removeListener(Animator.AnimatorListener listener) { 156 mListeners.remove(listener); 157 } 158 159 @Override 160 public Animator setDuration(long duration) { 161 mPropertiesToSet.add(Properties.DURATION); 162 mDuration = duration; 163 return this; 164 } 165 166 @Override 167 public void setInterpolator(TimeInterpolator value) { 168 mPropertiesToSet.add(Properties.INTERPOLATOR); 169 mInterpolator = value; 170 } 171 172 @Override 173 public void setStartDelay(long startDelay) { 174 mPropertiesToSet.add(Properties.START_DELAY); 175 mStartDelay = startDelay; 176 } 177 178 @Override 179 public void setTarget(Object target) { 180 throw new RuntimeException("Not implemented"); 181 } 182 183 @Override 184 public void setupEndValues() { 185 186 } 187 188 @Override 189 public void setupStartValues() { 190 } 191 192 @Override 193 public void start() { 194 mViewPropertyAnimator = mTarget.animate(); 195 196 // FirstFrameAnimatorHelper hooks itself up to the updates on the animator, 197 // and then adjusts the play time to keep the first two frames jank-free 198 mFirstFrameHelper = new FirstFrameAnimatorHelper(mViewPropertyAnimator, mTarget); 199 200 if (mPropertiesToSet.contains(Properties.TRANSLATION_X)) { 201 mViewPropertyAnimator.translationX(mTranslationX); 202 } 203 if (mPropertiesToSet.contains(Properties.TRANSLATION_Y)) { 204 mViewPropertyAnimator.translationY(mTranslationY); 205 } 206 if (mPropertiesToSet.contains(Properties.SCALE_X)) { 207 mViewPropertyAnimator.scaleX(mScaleX); 208 } 209 if (mPropertiesToSet.contains(Properties.ROTATION_Y)) { 210 mViewPropertyAnimator.rotationY(mRotationY); 211 } 212 if (mPropertiesToSet.contains(Properties.SCALE_Y)) { 213 mViewPropertyAnimator.scaleY(mScaleY); 214 } 215 if (mPropertiesToSet.contains(Properties.ALPHA)) { 216 mViewPropertyAnimator.alpha(mAlpha); 217 } 218 if (mPropertiesToSet.contains(Properties.START_DELAY)) { 219 mViewPropertyAnimator.setStartDelay(mStartDelay); 220 } 221 if (mPropertiesToSet.contains(Properties.DURATION)) { 222 mViewPropertyAnimator.setDuration(mDuration); 223 } 224 if (mPropertiesToSet.contains(Properties.INTERPOLATOR)) { 225 mViewPropertyAnimator.setInterpolator(mInterpolator); 226 } 227 if (mPropertiesToSet.contains(Properties.WITH_LAYER)) { 228 mViewPropertyAnimator.withLayer(); 229 } 230 mViewPropertyAnimator.setListener(this); 231 mViewPropertyAnimator.start(); 232 LauncherAnimUtils.cancelOnDestroyActivity(this); 233 } 234 235 public LauncherViewPropertyAnimator translationX(float value) { 236 mPropertiesToSet.add(Properties.TRANSLATION_X); 237 mTranslationX = value; 238 return this; 239 } 240 241 public LauncherViewPropertyAnimator translationY(float value) { 242 mPropertiesToSet.add(Properties.TRANSLATION_Y); 243 mTranslationY = value; 244 return this; 245 } 246 247 public LauncherViewPropertyAnimator scaleX(float value) { 248 mPropertiesToSet.add(Properties.SCALE_X); 249 mScaleX = value; 250 return this; 251 } 252 253 public LauncherViewPropertyAnimator scaleY(float value) { 254 mPropertiesToSet.add(Properties.SCALE_Y); 255 mScaleY = value; 256 return this; 257 } 258 259 public LauncherViewPropertyAnimator rotationY(float value) { 260 mPropertiesToSet.add(Properties.ROTATION_Y); 261 mRotationY = value; 262 return this; 263 } 264 265 public LauncherViewPropertyAnimator alpha(float value) { 266 mPropertiesToSet.add(Properties.ALPHA); 267 mAlpha = value; 268 return this; 269 } 270 271 public LauncherViewPropertyAnimator withLayer() { 272 mPropertiesToSet.add(Properties.WITH_LAYER); 273 return this; 274 } 275 } 276
