Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.systemui.bubbles.animation; |
| 18 | |
| 19 | import android.content.Context; |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 20 | import android.util.Log; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 21 | import android.view.View; |
| 22 | import android.view.ViewGroup; |
| 23 | import android.widget.FrameLayout; |
| 24 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 25 | import androidx.annotation.Nullable; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 26 | import androidx.dynamicanimation.animation.DynamicAnimation; |
| 27 | import androidx.dynamicanimation.animation.SpringAnimation; |
| 28 | import androidx.dynamicanimation.animation.SpringForce; |
| 29 | |
| 30 | import com.android.systemui.R; |
| 31 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 32 | import java.util.ArrayList; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 33 | import java.util.HashMap; |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 34 | import java.util.HashSet; |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 35 | import java.util.List; |
| 36 | import java.util.Map; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 37 | import java.util.Set; |
| 38 | |
| 39 | /** |
| 40 | * Layout that constructs physics-based animations for each of its children, which behave according |
| 41 | * to settings provided by a {@link PhysicsAnimationController} instance. |
| 42 | * |
| 43 | * See physics-animation-layout.md. |
| 44 | */ |
| 45 | public class PhysicsAnimationLayout extends FrameLayout { |
| 46 | private static final String TAG = "Bubbs.PAL"; |
| 47 | |
| 48 | /** |
| 49 | * Controls the construction, configuration, and use of the physics animations supplied by this |
| 50 | * layout. |
| 51 | */ |
| 52 | abstract static class PhysicsAnimationController { |
| 53 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 54 | /** Configures a given {@link PhysicsPropertyAnimator} for a view at the given index. */ |
| 55 | interface ChildAnimationConfigurator { |
| 56 | |
| 57 | /** |
| 58 | * Called to configure the animator for the view at the given index. |
| 59 | * |
| 60 | * This method should make use of methods such as |
| 61 | * {@link PhysicsPropertyAnimator#translationX} and |
| 62 | * {@link PhysicsPropertyAnimator#withStartDelay} to configure the animation. |
| 63 | * |
| 64 | * Implementations should not call {@link PhysicsPropertyAnimator#start}, this will |
| 65 | * happen elsewhere after configuration is complete. |
| 66 | */ |
| 67 | void configureAnimationForChildAtIndex(int index, PhysicsPropertyAnimator animation); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Returned by {@link #animationsForChildrenFromIndex} to allow starting multiple animations |
| 72 | * on multiple child views at the same time. |
| 73 | */ |
| 74 | interface MultiAnimationStarter { |
| 75 | |
| 76 | /** |
| 77 | * Start all animations and call the given end actions once all animations have |
| 78 | * completed. |
| 79 | */ |
| 80 | void startAll(Runnable... endActions); |
| 81 | } |
| 82 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 83 | /** |
| 84 | * Constant to return from {@link #getNextAnimationInChain} if the animation should not be |
| 85 | * chained at all. |
| 86 | */ |
| 87 | protected static final int NONE = -1; |
| 88 | |
| 89 | /** Set of properties for which the layout should construct physics animations. */ |
| 90 | abstract Set<DynamicAnimation.ViewProperty> getAnimatedProperties(); |
| 91 | |
| 92 | /** |
| 93 | * Returns the index of the next animation after the given index in the animation chain, or |
| 94 | * {@link #NONE} if it should not be chained, or if the chain should end at the given index. |
| 95 | * |
| 96 | * If a next index is returned, an update listener will be added to the animation at the |
| 97 | * given index that dispatches value updates to the animation at the next index. This |
| 98 | * creates a 'following' effect. |
| 99 | * |
| 100 | * Typical implementations of this method will return either index + 1, or index - 1, to |
| 101 | * create forward or backward chains between adjacent child views, but this is not required. |
| 102 | */ |
| 103 | abstract int getNextAnimationInChain(DynamicAnimation.ViewProperty property, int index); |
| 104 | |
| 105 | /** |
| 106 | * Offsets to be added to the value that chained animations of the given property dispatch |
| 107 | * to subsequent child animations. |
| 108 | * |
| 109 | * This is used for things like maintaining the 'stack' effect in Bubbles, where bubbles |
| 110 | * stack off to the left or right side slightly. |
| 111 | */ |
| 112 | abstract float getOffsetForChainedPropertyAnimation(DynamicAnimation.ViewProperty property); |
| 113 | |
| 114 | /** |
| 115 | * Returns the SpringForce to be used for the given child view's property animation. Despite |
| 116 | * these usually being similar or identical across properties and views, {@link SpringForce} |
| 117 | * also contains the SpringAnimation's final position, so we have to construct a new one for |
| 118 | * each animation rather than using a constant. |
| 119 | */ |
| 120 | abstract SpringForce getSpringForce(DynamicAnimation.ViewProperty property, View view); |
| 121 | |
| 122 | /** |
| 123 | * Called when a new child is added at the specified index. Controllers can use this |
| 124 | * opportunity to animate in the new view. |
| 125 | */ |
| 126 | abstract void onChildAdded(View child, int index); |
| 127 | |
| 128 | /** |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 129 | * Called with a child view that has been removed from the layout, from the given index. The |
| 130 | * passed view has been removed from the layout and added back as a transient view, which |
| 131 | * renders normally, but is not part of the normal view hierarchy and will not be considered |
| 132 | * by getChildAt() and getChildCount(). |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 133 | * |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 134 | * The controller can perform animations on the child (either manually, or by using |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 135 | * {@link #animationForChild(View)}), and then call finishRemoval when complete. |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 136 | * |
| 137 | * finishRemoval must be called by implementations of this method, or transient views will |
| 138 | * never be removed. |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 139 | */ |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 140 | abstract void onChildRemoved(View child, int index, Runnable finishRemoval); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 141 | |
Joshua Tsuji | f49ee14 | 2019-05-29 16:32:01 -0400 | [diff] [blame] | 142 | /** Called when a child view has been reordered in the view hierachy. */ |
| 143 | abstract void onChildReordered(View child, int oldIndex, int newIndex); |
| 144 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 145 | /** |
| 146 | * Called when the controller is set as the active animation controller for the given |
| 147 | * layout. Once active, the controller can start animations using the animator instances |
| 148 | * returned by {@link #animationForChild}. |
| 149 | * |
| 150 | * While all animations started by the previous controller will be cancelled, the new |
| 151 | * controller should not make any assumptions about the state of the layout or its children. |
| 152 | * Their translation, alpha, scale, etc. values may have been changed by the previous |
| 153 | * controller and should be reset here if relevant. |
| 154 | */ |
| 155 | abstract void onActiveControllerForLayout(PhysicsAnimationLayout layout); |
| 156 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 157 | protected PhysicsAnimationLayout mLayout; |
| 158 | |
| 159 | PhysicsAnimationController() { } |
| 160 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 161 | /** Whether this controller is the currently active controller for its associated layout. */ |
| 162 | protected boolean isActiveController() { |
| 163 | return this == mLayout.mController; |
| 164 | } |
| 165 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 166 | protected void setLayout(PhysicsAnimationLayout layout) { |
| 167 | this.mLayout = layout; |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 168 | onActiveControllerForLayout(layout); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | protected PhysicsAnimationLayout getLayout() { |
| 172 | return mLayout; |
| 173 | } |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 174 | |
| 175 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 176 | * Returns a {@link PhysicsPropertyAnimator} instance for the given child view. |
| 177 | */ |
| 178 | protected PhysicsPropertyAnimator animationForChild(View child) { |
| 179 | PhysicsPropertyAnimator animator = |
| 180 | (PhysicsPropertyAnimator) child.getTag(R.id.physics_animator_tag); |
| 181 | |
| 182 | if (animator == null) { |
| 183 | animator = mLayout.new PhysicsPropertyAnimator(child); |
| 184 | child.setTag(R.id.physics_animator_tag, animator); |
| 185 | } |
| 186 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 187 | animator.clearAnimator(); |
| 188 | animator.setAssociatedController(this); |
| 189 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 190 | return animator; |
| 191 | } |
| 192 | |
| 193 | /** Returns a {@link PhysicsPropertyAnimator} instance for child at the given index. */ |
| 194 | protected PhysicsPropertyAnimator animationForChildAtIndex(int index) { |
| 195 | return animationForChild(mLayout.getChildAt(index)); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Returns a {@link MultiAnimationStarter} whose startAll method will start the physics |
| 200 | * animations for all children from startIndex onward. The provided configurator will be |
| 201 | * called with each child's {@link PhysicsPropertyAnimator}, where it can set up each |
| 202 | * animation appropriately. |
| 203 | */ |
| 204 | protected MultiAnimationStarter animationsForChildrenFromIndex( |
| 205 | int startIndex, ChildAnimationConfigurator configurator) { |
| 206 | final Set<DynamicAnimation.ViewProperty> allAnimatedProperties = new HashSet<>(); |
| 207 | final List<PhysicsPropertyAnimator> allChildAnims = new ArrayList<>(); |
| 208 | |
| 209 | // Retrieve the animator for each child, ask the configurator to configure it, then save |
| 210 | // it and the properties it chose to animate. |
| 211 | for (int i = startIndex; i < mLayout.getChildCount(); i++) { |
| 212 | final PhysicsPropertyAnimator anim = animationForChildAtIndex(i); |
| 213 | configurator.configureAnimationForChildAtIndex(i, anim); |
| 214 | allAnimatedProperties.addAll(anim.getAnimatedProperties()); |
| 215 | allChildAnims.add(anim); |
| 216 | } |
| 217 | |
| 218 | // Return a MultiAnimationStarter that will start all of the child animations, and also |
| 219 | // add a multiple property end listener to the layout that will call the end action |
| 220 | // provided to startAll() once all animations on the animated properties complete. |
| 221 | return (endActions) -> { |
Joshua Tsuji | d54e8e0 | 2019-04-05 14:21:53 -0400 | [diff] [blame] | 222 | final Runnable runAllEndActions = () -> { |
| 223 | for (Runnable action : endActions) { |
| 224 | action.run(); |
| 225 | } |
| 226 | }; |
| 227 | |
| 228 | // If there aren't any children to animate, just run the end actions. |
| 229 | if (mLayout.getChildCount() == 0) { |
| 230 | runAllEndActions.run(); |
| 231 | return; |
| 232 | } |
| 233 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 234 | if (endActions != null) { |
| 235 | mLayout.setEndActionForMultipleProperties( |
Joshua Tsuji | d54e8e0 | 2019-04-05 14:21:53 -0400 | [diff] [blame] | 236 | runAllEndActions, |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 237 | allAnimatedProperties.toArray( |
| 238 | new DynamicAnimation.ViewProperty[0])); |
| 239 | } |
| 240 | |
| 241 | for (PhysicsPropertyAnimator childAnim : allChildAnims) { |
| 242 | childAnim.start(); |
| 243 | } |
| 244 | }; |
| 245 | } |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 249 | * End actions that are called when every child's animation of the given property has finished. |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 250 | */ |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 251 | protected final HashMap<DynamicAnimation.ViewProperty, Runnable> mEndActionForProperty = |
| 252 | new HashMap<>(); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 253 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 254 | /** The currently active animation controller. */ |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 255 | @Nullable protected PhysicsAnimationController mController; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 256 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 257 | public PhysicsAnimationLayout(Context context) { |
| 258 | super(context); |
| 259 | } |
| 260 | |
| 261 | /** |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 262 | * Sets the animation controller and constructs or reconfigures the layout's physics animations |
| 263 | * to meet the controller's specifications. |
| 264 | */ |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 265 | public void setActiveController(PhysicsAnimationController controller) { |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 266 | cancelAllAnimations(); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 267 | mEndActionForProperty.clear(); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 268 | |
| 269 | this.mController = controller; |
| 270 | mController.setLayout(this); |
| 271 | |
| 272 | // Set up animations for this controller's animated properties. |
| 273 | for (DynamicAnimation.ViewProperty property : mController.getAnimatedProperties()) { |
| 274 | setUpAnimationsForProperty(property); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 279 | * Sets an end action that will be run when all child animations for a given property have |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 280 | * stopped running. |
| 281 | */ |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 282 | public void setEndActionForProperty(Runnable action, DynamicAnimation.ViewProperty property) { |
| 283 | mEndActionForProperty.put(property, action); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 287 | * Sets an end action that will be run when all child animations for all of the given properties |
| 288 | * have stopped running. |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 289 | */ |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 290 | public void setEndActionForMultipleProperties( |
| 291 | Runnable action, DynamicAnimation.ViewProperty... properties) { |
| 292 | final Runnable checkIfAllFinished = () -> { |
| 293 | if (!arePropertiesAnimating(properties)) { |
| 294 | action.run(); |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 295 | |
| 296 | for (DynamicAnimation.ViewProperty property : properties) { |
| 297 | removeEndActionForProperty(property); |
| 298 | } |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 299 | } |
| 300 | }; |
| 301 | |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 302 | for (DynamicAnimation.ViewProperty property : properties) { |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 303 | setEndActionForProperty(checkIfAllFinished, property); |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 304 | } |
| 305 | } |
| 306 | |
| 307 | /** |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 308 | * Removes the end listener that would have been called when all child animations for a given |
| 309 | * property stopped running. |
| 310 | */ |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 311 | public void removeEndActionForProperty(DynamicAnimation.ViewProperty property) { |
| 312 | mEndActionForProperty.remove(property); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 313 | } |
| 314 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 315 | @Override |
| 316 | public void addView(View child, int index, ViewGroup.LayoutParams params) { |
Joshua Tsuji | f49ee14 | 2019-05-29 16:32:01 -0400 | [diff] [blame] | 317 | addViewInternal(child, index, params, false /* isReorder */); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | @Override |
| 321 | public void removeView(View view) { |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 322 | if (mController != null) { |
| 323 | final int index = indexOfChild(view); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 324 | |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 325 | // Remove the view and add it back as a transient view so we can animate it out. |
| 326 | super.removeView(view); |
| 327 | addTransientView(view, index); |
| 328 | |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 329 | // Tell the controller to animate this view out, and call the callback when it's |
| 330 | // finished. |
Joshua Tsuji | 1575e6b | 2019-01-30 13:43:28 -0500 | [diff] [blame] | 331 | mController.onChildRemoved(view, index, () -> { |
Joshua Tsuji | 7df4286 | 2019-03-22 15:54:31 -0400 | [diff] [blame] | 332 | // The controller says it's done with the transient view, cancel animations in case |
| 333 | // any are still running and then remove it. |
| 334 | cancelAnimationsOnView(view); |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 335 | removeTransientView(view); |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 336 | }); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 337 | } else { |
| 338 | // Without a controller, nobody will animate this view out, so it gets an unceremonious |
| 339 | // departure. |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 340 | super.removeView(view); |
Joshua Tsuji | f49ee14 | 2019-05-29 16:32:01 -0400 | [diff] [blame] | 341 | } |
| 342 | } |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 343 | |
Joshua Tsuji | f49ee14 | 2019-05-29 16:32:01 -0400 | [diff] [blame] | 344 | @Override |
| 345 | public void removeViewAt(int index) { |
| 346 | removeView(getChildAt(index)); |
| 347 | } |
| 348 | |
| 349 | /** Immediately re-orders the view to the given index. */ |
| 350 | public void reorderView(View view, int index) { |
| 351 | final int oldIndex = indexOfChild(view); |
| 352 | |
| 353 | super.removeView(view); |
| 354 | addViewInternal(view, index, view.getLayoutParams(), true /* isReorder */); |
| 355 | |
| 356 | if (mController != null) { |
| 357 | mController.onChildReordered(view, oldIndex, index); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 358 | } |
| 359 | } |
| 360 | |
| 361 | /** Checks whether any animations of the given properties are still running. */ |
| 362 | public boolean arePropertiesAnimating(DynamicAnimation.ViewProperty... properties) { |
| 363 | for (int i = 0; i < getChildCount(); i++) { |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 364 | if (arePropertiesAnimatingOnView(getChildAt(i), properties)) { |
| 365 | return true; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | return false; |
| 370 | } |
| 371 | |
| 372 | /** Checks whether any animations of the given properties are running on the given view. */ |
| 373 | public boolean arePropertiesAnimatingOnView( |
| 374 | View view, DynamicAnimation.ViewProperty... properties) { |
| 375 | for (DynamicAnimation.ViewProperty property : properties) { |
| 376 | final SpringAnimation animation = getAnimationFromView(property, view); |
| 377 | if (animation != null && animation.isRunning()) { |
| 378 | return true; |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 379 | } |
| 380 | } |
| 381 | |
| 382 | return false; |
| 383 | } |
| 384 | |
| 385 | /** Cancels all animations that are running on all child views, for all properties. */ |
| 386 | public void cancelAllAnimations() { |
| 387 | if (mController == null) { |
| 388 | return; |
| 389 | } |
| 390 | |
| 391 | for (int i = 0; i < getChildCount(); i++) { |
| 392 | for (DynamicAnimation.ViewProperty property : mController.getAnimatedProperties()) { |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 393 | final DynamicAnimation anim = getAnimationAtIndex(property, i); |
| 394 | if (anim != null) { |
| 395 | anim.cancel(); |
| 396 | } |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 397 | } |
| 398 | } |
| 399 | } |
| 400 | |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 401 | /** Cancels all of the physics animations running on the given view. */ |
| 402 | public void cancelAnimationsOnView(View view) { |
| 403 | for (DynamicAnimation.ViewProperty property : mController.getAnimatedProperties()) { |
| 404 | getAnimationFromView(property, view).cancel(); |
| 405 | } |
| 406 | } |
| 407 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 408 | protected boolean isActiveController(PhysicsAnimationController controller) { |
| 409 | return mController == controller; |
| 410 | } |
| 411 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 412 | /** Whether the first child would be left of center if translated to the given x value. */ |
| 413 | protected boolean isFirstChildXLeftOfCenter(float x) { |
| 414 | if (getChildCount() > 0) { |
| 415 | return x + (getChildAt(0).getWidth() / 2) < getWidth() / 2; |
| 416 | } else { |
| 417 | return false; // If there's no first child, really anything is correct, right? |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | /** ViewProperty's toString is useless, this returns a readable name for debug logging. */ |
| 422 | protected static String getReadablePropertyName(DynamicAnimation.ViewProperty property) { |
| 423 | if (property.equals(DynamicAnimation.TRANSLATION_X)) { |
| 424 | return "TRANSLATION_X"; |
| 425 | } else if (property.equals(DynamicAnimation.TRANSLATION_Y)) { |
| 426 | return "TRANSLATION_Y"; |
| 427 | } else if (property.equals(DynamicAnimation.SCALE_X)) { |
| 428 | return "SCALE_X"; |
| 429 | } else if (property.equals(DynamicAnimation.SCALE_Y)) { |
| 430 | return "SCALE_Y"; |
| 431 | } else if (property.equals(DynamicAnimation.ALPHA)) { |
| 432 | return "ALPHA"; |
| 433 | } else { |
| 434 | return "Unknown animation property."; |
| 435 | } |
| 436 | } |
| 437 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 438 | /** |
Joshua Tsuji | f49ee14 | 2019-05-29 16:32:01 -0400 | [diff] [blame] | 439 | * Adds a view to the layout. If this addition is not the result of a call to |
| 440 | * {@link #reorderView}, this will also notify the controller via |
| 441 | * {@link PhysicsAnimationController#onChildAdded} and set up animations for the view. |
| 442 | */ |
| 443 | private void addViewInternal( |
| 444 | View child, int index, ViewGroup.LayoutParams params, boolean isReorder) { |
| 445 | super.addView(child, index, params); |
| 446 | |
| 447 | // Set up animations for the new view, if the controller is set. If it isn't set, we'll be |
| 448 | // setting up animations for all children when setActiveController is called. |
| 449 | if (mController != null && !isReorder) { |
| 450 | for (DynamicAnimation.ViewProperty property : mController.getAnimatedProperties()) { |
| 451 | setUpAnimationForChild(property, child, index); |
| 452 | } |
| 453 | |
| 454 | mController.onChildAdded(child, index); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | /** |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 459 | * Retrieves the animation of the given property from the view at the given index via the view |
| 460 | * tag system. |
| 461 | */ |
| 462 | private SpringAnimation getAnimationAtIndex( |
| 463 | DynamicAnimation.ViewProperty property, int index) { |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 464 | return getAnimationFromView(property, getChildAt(index)); |
| 465 | } |
| 466 | |
| 467 | /** Retrieves the animation of the given property from the view via the view tag system. */ |
| 468 | private SpringAnimation getAnimationFromView( |
| 469 | DynamicAnimation.ViewProperty property, View view) { |
| 470 | return (SpringAnimation) view.getTag(getTagIdForProperty(property)); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | /** Sets up SpringAnimations of the given property for each child view in the layout. */ |
| 474 | private void setUpAnimationsForProperty(DynamicAnimation.ViewProperty property) { |
| 475 | for (int i = 0; i < getChildCount(); i++) { |
| 476 | setUpAnimationForChild(property, getChildAt(i), i); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | /** Constructs a SpringAnimation of the given property for a child view. */ |
| 481 | private void setUpAnimationForChild( |
| 482 | DynamicAnimation.ViewProperty property, View child, int index) { |
| 483 | SpringAnimation newAnim = new SpringAnimation(child, property); |
| 484 | newAnim.addUpdateListener((animation, value, velocity) -> { |
Joshua Tsuji | 7df4286 | 2019-03-22 15:54:31 -0400 | [diff] [blame] | 485 | final int indexOfChild = indexOfChild(child); |
Joshua Tsuji | cb97a11 | 2019-05-29 16:20:41 -0400 | [diff] [blame] | 486 | final int nextAnimInChain = mController.getNextAnimationInChain(property, indexOfChild); |
Joshua Tsuji | a08b6d3 | 2019-01-29 16:15:52 -0500 | [diff] [blame] | 487 | |
Joshua Tsuji | 7df4286 | 2019-03-22 15:54:31 -0400 | [diff] [blame] | 488 | if (nextAnimInChain == PhysicsAnimationController.NONE || indexOfChild < 0) { |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 489 | return; |
| 490 | } |
| 491 | |
Joshua Tsuji | cb97a11 | 2019-05-29 16:20:41 -0400 | [diff] [blame] | 492 | final float offset = mController.getOffsetForChainedPropertyAnimation(property); |
| 493 | if (nextAnimInChain < getChildCount()) { |
| 494 | getAnimationAtIndex(property, nextAnimInChain) |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 495 | .animateToFinalPosition(value + offset); |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 496 | } |
| 497 | }); |
| 498 | |
| 499 | newAnim.setSpring(mController.getSpringForce(property, child)); |
| 500 | newAnim.addEndListener(new AllAnimationsForPropertyFinishedEndListener(property)); |
| 501 | child.setTag(getTagIdForProperty(property), newAnim); |
| 502 | } |
| 503 | |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 504 | /** Return a stable ID to use as a tag key for the given property's animations. */ |
| 505 | private int getTagIdForProperty(DynamicAnimation.ViewProperty property) { |
| 506 | if (property.equals(DynamicAnimation.TRANSLATION_X)) { |
| 507 | return R.id.translation_x_dynamicanimation_tag; |
| 508 | } else if (property.equals(DynamicAnimation.TRANSLATION_Y)) { |
| 509 | return R.id.translation_y_dynamicanimation_tag; |
| 510 | } else if (property.equals(DynamicAnimation.SCALE_X)) { |
| 511 | return R.id.scale_x_dynamicanimation_tag; |
| 512 | } else if (property.equals(DynamicAnimation.SCALE_Y)) { |
| 513 | return R.id.scale_y_dynamicanimation_tag; |
| 514 | } else if (property.equals(DynamicAnimation.ALPHA)) { |
| 515 | return R.id.alpha_dynamicanimation_tag; |
| 516 | } |
| 517 | |
| 518 | return -1; |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * End listener that is added to each individual DynamicAnimation, which dispatches to a single |
| 523 | * listener when every other animation of the given property is no longer running. |
| 524 | * |
| 525 | * This is required since chained DynamicAnimations can stop and start again due to changes in |
| 526 | * upstream animations. This means that adding an end listener to just the last animation is not |
| 527 | * sufficient. By firing only when every other animation on the property has stopped running, we |
| 528 | * ensure that no animation will be restarted after the single end listener is called. |
| 529 | */ |
| 530 | protected class AllAnimationsForPropertyFinishedEndListener |
| 531 | implements DynamicAnimation.OnAnimationEndListener { |
| 532 | private DynamicAnimation.ViewProperty mProperty; |
| 533 | |
| 534 | AllAnimationsForPropertyFinishedEndListener(DynamicAnimation.ViewProperty property) { |
| 535 | this.mProperty = property; |
| 536 | } |
| 537 | |
| 538 | @Override |
| 539 | public void onAnimationEnd( |
| 540 | DynamicAnimation anim, boolean canceled, float value, float velocity) { |
| 541 | if (!arePropertiesAnimating(mProperty)) { |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 542 | if (mEndActionForProperty.containsKey(mProperty)) { |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 543 | final Runnable callback = mEndActionForProperty.get(mProperty); |
| 544 | |
| 545 | if (callback != null) { |
| 546 | callback.run(); |
| 547 | } |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 548 | } |
| 549 | } |
| 550 | } |
| 551 | } |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 552 | |
| 553 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 554 | * Animator class returned by {@link PhysicsAnimationController#animationForChild}, to allow |
| 555 | * controllers to animate child views using physics animations. |
| 556 | * |
| 557 | * See docs/physics-animation-layout.md for documentation and examples. |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 558 | */ |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 559 | protected class PhysicsPropertyAnimator { |
| 560 | /** The view whose properties this animator animates. */ |
| 561 | private View mView; |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 562 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 563 | /** Start velocity to use for all property animations. */ |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 564 | private float mDefaultStartVelocity = -Float.MAX_VALUE; |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 565 | |
| 566 | /** Start delay to use when start is called. */ |
| 567 | private long mStartDelay = 0; |
| 568 | |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 569 | /** Damping ratio to use for the animations. */ |
| 570 | private float mDampingRatio = -1; |
| 571 | |
| 572 | /** Stiffness to use for the animations. */ |
| 573 | private float mStiffness = -1; |
| 574 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 575 | /** End actions to call when animations for the given property complete. */ |
| 576 | private Map<DynamicAnimation.ViewProperty, Runnable[]> mEndActionsForProperty = |
| 577 | new HashMap<>(); |
| 578 | |
| 579 | /** |
| 580 | * Start velocities to use for TRANSLATION_X and TRANSLATION_Y, since these are often |
| 581 | * provided by VelocityTrackers and differ from each other. |
| 582 | */ |
| 583 | private Map<DynamicAnimation.ViewProperty, Float> mPositionStartVelocities = |
| 584 | new HashMap<>(); |
| 585 | |
| 586 | /** |
| 587 | * End actions to call when both TRANSLATION_X and TRANSLATION_Y animations have completed, |
| 588 | * if {@link #position} was used to animate TRANSLATION_X and TRANSLATION_Y simultaneously. |
| 589 | */ |
| 590 | private Runnable[] mPositionEndActions; |
| 591 | |
| 592 | /** |
| 593 | * All of the properties that have been set and will animate when {@link #start} is called. |
| 594 | */ |
| 595 | private Map<DynamicAnimation.ViewProperty, Float> mAnimatedProperties = new HashMap<>(); |
| 596 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 597 | /** |
| 598 | * All of the initial property values that have been set. These values will be instantly set |
| 599 | * when {@link #start} is called, just before the animation begins. |
| 600 | */ |
| 601 | private Map<DynamicAnimation.ViewProperty, Float> mInitialPropertyValues = new HashMap<>(); |
| 602 | |
| 603 | /** The animation controller that last retrieved this animator instance. */ |
| 604 | private PhysicsAnimationController mAssociatedController; |
| 605 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 606 | protected PhysicsPropertyAnimator(View view) { |
| 607 | this.mView = view; |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 608 | } |
| 609 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 610 | /** Animate a property to the given value, then call the optional end actions. */ |
| 611 | public PhysicsPropertyAnimator property( |
| 612 | DynamicAnimation.ViewProperty property, float value, Runnable... endActions) { |
| 613 | mAnimatedProperties.put(property, value); |
| 614 | mEndActionsForProperty.put(property, endActions); |
| 615 | return this; |
| 616 | } |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 617 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 618 | /** Animate the view's alpha value to the provided value. */ |
| 619 | public PhysicsPropertyAnimator alpha(float alpha, Runnable... endActions) { |
| 620 | return property(DynamicAnimation.ALPHA, alpha, endActions); |
| 621 | } |
| 622 | |
| 623 | /** Set the view's alpha value to 'from', then animate it to the given value. */ |
| 624 | public PhysicsPropertyAnimator alpha(float from, float to, Runnable... endActions) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 625 | mInitialPropertyValues.put(DynamicAnimation.ALPHA, from); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 626 | return alpha(to, endActions); |
| 627 | } |
| 628 | |
| 629 | /** Animate the view's translationX value to the provided value. */ |
| 630 | public PhysicsPropertyAnimator translationX(float translationX, Runnable... endActions) { |
| 631 | return property(DynamicAnimation.TRANSLATION_X, translationX, endActions); |
| 632 | } |
| 633 | |
| 634 | /** Set the view's translationX value to 'from', then animate it to the given value. */ |
| 635 | public PhysicsPropertyAnimator translationX( |
| 636 | float from, float to, Runnable... endActions) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 637 | mInitialPropertyValues.put(DynamicAnimation.TRANSLATION_X, from); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 638 | return translationX(to, endActions); |
| 639 | } |
| 640 | |
| 641 | /** Animate the view's translationY value to the provided value. */ |
| 642 | public PhysicsPropertyAnimator translationY(float translationY, Runnable... endActions) { |
| 643 | return property(DynamicAnimation.TRANSLATION_Y, translationY, endActions); |
| 644 | } |
| 645 | |
| 646 | /** Set the view's translationY value to 'from', then animate it to the given value. */ |
| 647 | public PhysicsPropertyAnimator translationY( |
| 648 | float from, float to, Runnable... endActions) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 649 | mInitialPropertyValues.put(DynamicAnimation.TRANSLATION_Y, from); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 650 | return translationY(to, endActions); |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * Animate the view's translationX and translationY values, and call the end actions only |
| 655 | * once both TRANSLATION_X and TRANSLATION_Y animations have completed. |
| 656 | */ |
| 657 | public PhysicsPropertyAnimator position( |
| 658 | float translationX, float translationY, Runnable... endActions) { |
| 659 | mPositionEndActions = endActions; |
| 660 | translationX(translationX); |
| 661 | return translationY(translationY); |
| 662 | } |
| 663 | |
| 664 | /** Animate the view's scaleX value to the provided value. */ |
| 665 | public PhysicsPropertyAnimator scaleX(float scaleX, Runnable... endActions) { |
| 666 | return property(DynamicAnimation.SCALE_X, scaleX, endActions); |
| 667 | } |
| 668 | |
| 669 | /** Set the view's scaleX value to 'from', then animate it to the given value. */ |
| 670 | public PhysicsPropertyAnimator scaleX(float from, float to, Runnable... endActions) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 671 | mInitialPropertyValues.put(DynamicAnimation.SCALE_X, from); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 672 | return scaleX(to, endActions); |
| 673 | } |
| 674 | |
| 675 | /** Animate the view's scaleY value to the provided value. */ |
| 676 | public PhysicsPropertyAnimator scaleY(float scaleY, Runnable... endActions) { |
| 677 | return property(DynamicAnimation.SCALE_Y, scaleY, endActions); |
| 678 | } |
| 679 | |
| 680 | /** Set the view's scaleY value to 'from', then animate it to the given value. */ |
| 681 | public PhysicsPropertyAnimator scaleY(float from, float to, Runnable... endActions) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 682 | mInitialPropertyValues.put(DynamicAnimation.SCALE_Y, from); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 683 | return scaleY(to, endActions); |
| 684 | } |
| 685 | |
| 686 | /** Set the start velocity to use for all property animations. */ |
| 687 | public PhysicsPropertyAnimator withStartVelocity(float startVel) { |
| 688 | mDefaultStartVelocity = startVel; |
| 689 | return this; |
| 690 | } |
| 691 | |
| 692 | /** |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 693 | * Set the damping ratio to use for this animation. If not supplied, will default to the |
| 694 | * value from {@link PhysicsAnimationController#getSpringForce}. |
| 695 | */ |
| 696 | public PhysicsPropertyAnimator withDampingRatio(float dampingRatio) { |
| 697 | mDampingRatio = dampingRatio; |
| 698 | return this; |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * Set the stiffness to use for this animation. If not supplied, will default to the |
| 703 | * value from {@link PhysicsAnimationController#getSpringForce}. |
| 704 | */ |
| 705 | public PhysicsPropertyAnimator withStiffness(float stiffness) { |
| 706 | mStiffness = stiffness; |
| 707 | return this; |
| 708 | } |
| 709 | |
| 710 | /** |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 711 | * Set the start velocities to use for TRANSLATION_X and TRANSLATION_Y animations. This |
| 712 | * overrides any value set via {@link #withStartVelocity(float)} for those properties. |
| 713 | */ |
| 714 | public PhysicsPropertyAnimator withPositionStartVelocities(float velX, float velY) { |
| 715 | mPositionStartVelocities.put(DynamicAnimation.TRANSLATION_X, velX); |
| 716 | mPositionStartVelocities.put(DynamicAnimation.TRANSLATION_Y, velY); |
| 717 | return this; |
| 718 | } |
| 719 | |
| 720 | /** Set a delay, in milliseconds, before kicking off the animations. */ |
| 721 | public PhysicsPropertyAnimator withStartDelay(long startDelay) { |
| 722 | mStartDelay = startDelay; |
| 723 | return this; |
| 724 | } |
| 725 | |
| 726 | /** |
| 727 | * Start the animations, and call the optional end actions once all animations for every |
| 728 | * animated property on every child (including chained animations) have ended. |
| 729 | */ |
| 730 | public void start(Runnable... after) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 731 | if (!isActiveController(mAssociatedController)) { |
| 732 | Log.w(TAG, "Only the active animation controller is allowed to start animations. " |
| 733 | + "Use PhysicsAnimationLayout#setActiveController to set the active " |
| 734 | + "animation controller."); |
| 735 | return; |
| 736 | } |
| 737 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 738 | final Set<DynamicAnimation.ViewProperty> properties = getAnimatedProperties(); |
| 739 | |
| 740 | // If there are end actions, set an end listener on the layout for all the properties |
| 741 | // we're about to animate. |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 742 | if (after != null && after.length > 0) { |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 743 | final DynamicAnimation.ViewProperty[] propertiesArray = |
| 744 | properties.toArray(new DynamicAnimation.ViewProperty[0]); |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 745 | setEndActionForMultipleProperties(() -> { |
| 746 | for (Runnable callback : after) { |
| 747 | callback.run(); |
| 748 | } |
| 749 | }, propertiesArray); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | // If we used position-specific end actions, we'll need to listen for both TRANSLATION_X |
| 753 | // and TRANSLATION_Y animations ending, and call them once both have finished. |
| 754 | if (mPositionEndActions != null) { |
| 755 | final SpringAnimation translationXAnim = |
| 756 | getAnimationFromView(DynamicAnimation.TRANSLATION_X, mView); |
| 757 | final SpringAnimation translationYAnim = |
| 758 | getAnimationFromView(DynamicAnimation.TRANSLATION_Y, mView); |
| 759 | final Runnable waitForBothXAndY = () -> { |
| 760 | if (!translationXAnim.isRunning() && !translationYAnim.isRunning()) { |
| 761 | if (mPositionEndActions != null) { |
| 762 | for (Runnable callback : mPositionEndActions) { |
| 763 | callback.run(); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | mPositionEndActions = null; |
| 768 | } |
| 769 | }; |
| 770 | |
| 771 | mEndActionsForProperty.put(DynamicAnimation.TRANSLATION_X, |
| 772 | new Runnable[]{waitForBothXAndY}); |
| 773 | mEndActionsForProperty.put(DynamicAnimation.TRANSLATION_Y, |
| 774 | new Runnable[]{waitForBothXAndY}); |
| 775 | } |
| 776 | |
| 777 | // Actually start the animations. |
| 778 | for (DynamicAnimation.ViewProperty property : properties) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 779 | if (mInitialPropertyValues.containsKey(property)) { |
| 780 | property.setValue(mView, mInitialPropertyValues.get(property)); |
| 781 | } |
| 782 | |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 783 | final SpringForce defaultSpringForce = mController.getSpringForce(property, mView); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 784 | animateValueForChild( |
| 785 | property, |
| 786 | mView, |
| 787 | mAnimatedProperties.get(property), |
| 788 | mPositionStartVelocities.getOrDefault(property, mDefaultStartVelocity), |
| 789 | mStartDelay, |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 790 | mStiffness >= 0 ? mStiffness : defaultSpringForce.getStiffness(), |
| 791 | mDampingRatio >= 0 ? mDampingRatio : defaultSpringForce.getDampingRatio(), |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 792 | mEndActionsForProperty.get(property)); |
| 793 | } |
| 794 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 795 | clearAnimator(); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 796 | } |
| 797 | |
| 798 | /** Returns the set of properties that will animate once {@link #start} is called. */ |
| 799 | protected Set<DynamicAnimation.ViewProperty> getAnimatedProperties() { |
| 800 | return mAnimatedProperties.keySet(); |
| 801 | } |
| 802 | |
| 803 | /** |
| 804 | * Animates the property of the given child view, then runs the callback provided when the |
| 805 | * animation ends. |
| 806 | */ |
| 807 | protected void animateValueForChild( |
| 808 | DynamicAnimation.ViewProperty property, |
| 809 | View view, |
| 810 | float value, |
| 811 | float startVel, |
| 812 | long startDelay, |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 813 | float stiffness, |
| 814 | float dampingRatio, |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 815 | Runnable[] afterCallbacks) { |
| 816 | if (view != null) { |
| 817 | final SpringAnimation animation = |
| 818 | (SpringAnimation) view.getTag(getTagIdForProperty(property)); |
| 819 | if (afterCallbacks != null) { |
| 820 | animation.addEndListener(new OneTimeEndListener() { |
| 821 | @Override |
| 822 | public void onAnimationEnd(DynamicAnimation animation, boolean canceled, |
| 823 | float value, float velocity) { |
| 824 | super.onAnimationEnd(animation, canceled, value, velocity); |
| 825 | for (Runnable runnable : afterCallbacks) { |
| 826 | runnable.run(); |
| 827 | } |
| 828 | } |
| 829 | }); |
| 830 | } |
| 831 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 832 | final SpringForce animationSpring = animation.getSpring(); |
Joshua Tsuji | 4accf598 | 2019-04-22 17:36:11 -0400 | [diff] [blame] | 833 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 834 | if (animationSpring == null) { |
| 835 | return; |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 836 | } |
| 837 | |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 838 | final Runnable configureAndStartAnimation = () -> { |
| 839 | animationSpring.setStiffness(stiffness); |
| 840 | animationSpring.setDampingRatio(dampingRatio); |
| 841 | |
| 842 | if (startVel > -Float.MAX_VALUE) { |
| 843 | animation.setStartVelocity(startVel); |
| 844 | } |
| 845 | |
| 846 | animationSpring.setFinalPosition(value); |
| 847 | animation.start(); |
| 848 | }; |
| 849 | |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 850 | if (startDelay > 0) { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 851 | postDelayed(configureAndStartAnimation, startDelay); |
Joshua Tsuji | c110843 | 2019-02-22 16:10:12 -0500 | [diff] [blame] | 852 | } else { |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 853 | configureAndStartAnimation.run(); |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 854 | } |
| 855 | } |
| 856 | } |
Joshua Tsuji | c36ee6f | 2019-05-28 17:00:16 -0400 | [diff] [blame] | 857 | |
| 858 | private void clearAnimator() { |
| 859 | mInitialPropertyValues.clear(); |
| 860 | mAnimatedProperties.clear(); |
| 861 | mPositionStartVelocities.clear(); |
| 862 | mDefaultStartVelocity = -Float.MAX_VALUE; |
| 863 | mStartDelay = 0; |
| 864 | mStiffness = -1; |
| 865 | mDampingRatio = -1; |
| 866 | mEndActionsForProperty.clear(); |
| 867 | } |
| 868 | |
| 869 | /** |
| 870 | * Sets the controller that last retrieved this animator instance, so that we can prevent |
| 871 | * {@link #start} from actually starting animations if called by a non-active controller. |
| 872 | */ |
| 873 | private void setAssociatedController(PhysicsAnimationController controller) { |
| 874 | mAssociatedController = controller; |
| 875 | } |
Joshua Tsuji | 442b627 | 2019-02-08 13:23:43 -0500 | [diff] [blame] | 876 | } |
Tiger Huang | 2b210c2 | 2019-03-18 21:21:26 +0800 | [diff] [blame] | 877 | |
| 878 | @Override |
| 879 | protected boolean canReceivePointerEvents() { |
| 880 | return false; |
| 881 | } |
Joshua Tsuji | b1a796b | 2019-01-16 15:43:12 -0800 | [diff] [blame] | 882 | } |