John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 android.view; |
| 18 | |
| 19 | import android.animation.TimeInterpolator; |
| 20 | import android.view.ViewPropertyAnimator.NameValuesHolder; |
John Reck | a0b13bd | 2014-07-01 08:34:47 -0700 | [diff] [blame] | 21 | import android.view.animation.Interpolator; |
| 22 | import android.view.animation.LinearInterpolator; |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 23 | |
| 24 | import com.android.internal.view.animation.FallbackLUTInterpolator; |
| 25 | |
| 26 | import java.util.ArrayList; |
| 27 | |
| 28 | |
| 29 | /** |
| 30 | * This is a RenderThread driven backend for ViewPropertyAnimator. |
| 31 | */ |
| 32 | class ViewPropertyAnimatorRT { |
| 33 | |
John Reck | a0b13bd | 2014-07-01 08:34:47 -0700 | [diff] [blame] | 34 | private static final Interpolator sLinearInterpolator = new LinearInterpolator(); |
| 35 | |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 36 | private final View mView; |
| 37 | |
| 38 | private RenderNodeAnimator mAnimators[] = new RenderNodeAnimator[RenderNodeAnimator.LAST_VALUE + 1]; |
| 39 | |
| 40 | ViewPropertyAnimatorRT(View view) { |
| 41 | mView = view; |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * @return true if ViewPropertyAnimatorRT handled the animation, |
| 46 | * false if ViewPropertyAnimator needs to handle it |
| 47 | */ |
| 48 | public boolean startAnimation(ViewPropertyAnimator parent) { |
| 49 | cancelAnimators(parent.mPendingAnimations); |
| 50 | if (!canHandleAnimator(parent)) { |
| 51 | return false; |
| 52 | } |
| 53 | doStartAnimation(parent); |
| 54 | return true; |
| 55 | } |
| 56 | |
John Reck | 2218472 | 2014-06-20 07:19:30 -0700 | [diff] [blame] | 57 | public void cancelAll() { |
| 58 | for (int i = 0; i < mAnimators.length; i++) { |
| 59 | if (mAnimators[i] != null) { |
| 60 | mAnimators[i].cancel(); |
| 61 | mAnimators[i] = null; |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 66 | private void doStartAnimation(ViewPropertyAnimator parent) { |
| 67 | int size = parent.mPendingAnimations.size(); |
| 68 | |
| 69 | long startDelay = parent.getStartDelay(); |
| 70 | long duration = parent.getDuration(); |
| 71 | TimeInterpolator interpolator = parent.getInterpolator(); |
John Reck | a0b13bd | 2014-07-01 08:34:47 -0700 | [diff] [blame] | 72 | if (interpolator == null) { |
| 73 | // Documented to be LinearInterpolator in ValueAnimator.setInterpolator |
| 74 | interpolator = sLinearInterpolator; |
| 75 | } |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 76 | if (!RenderNodeAnimator.isNativeInterpolator(interpolator)) { |
| 77 | interpolator = new FallbackLUTInterpolator(interpolator, duration); |
| 78 | } |
| 79 | for (int i = 0; i < size; i++) { |
| 80 | NameValuesHolder holder = parent.mPendingAnimations.get(i); |
| 81 | int property = RenderNodeAnimator.mapViewPropertyToRenderProperty(holder.mNameConstant); |
| 82 | |
John Reck | 44244ff | 2014-06-20 14:44:58 -0700 | [diff] [blame] | 83 | final float finalValue = holder.mFromValue + holder.mDeltaValue; |
John Reck | 291161a | 2014-07-22 07:31:09 -0700 | [diff] [blame] | 84 | RenderNodeAnimator animator = new RenderNodeAnimator(property, finalValue); |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 85 | animator.setStartDelay(startDelay); |
| 86 | animator.setDuration(duration); |
| 87 | animator.setInterpolator(interpolator); |
| 88 | animator.setTarget(mView); |
| 89 | animator.start(); |
John Reck | 44244ff | 2014-06-20 14:44:58 -0700 | [diff] [blame] | 90 | |
John Reck | 8d8af3c | 2014-07-01 15:23:45 -0700 | [diff] [blame] | 91 | mAnimators[property] = animator; |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | parent.mPendingAnimations.clear(); |
| 95 | } |
| 96 | |
| 97 | private boolean canHandleAnimator(ViewPropertyAnimator parent) { |
| 98 | // TODO: Can we eliminate this entirely? |
| 99 | // If RenderNode.animatorProperties() can be toggled to point at staging |
| 100 | // instead then RNA can be used as the animators for software as well |
| 101 | // as the updateListener fallback paths. If this can be toggled |
| 102 | // at the top level somehow, combined with requiresUiRedraw, we could |
| 103 | // ensure that RT does not self-animate, allowing for safe driving of |
| 104 | // the animators from the UI thread using the same mechanisms |
| 105 | // ViewPropertyAnimator does, just with everything sitting on a single |
| 106 | // animator subsystem instead of multiple. |
| 107 | |
| 108 | if (parent.getUpdateListener() != null) { |
| 109 | return false; |
| 110 | } |
| 111 | if (parent.getListener() != null) { |
| 112 | // TODO support |
| 113 | return false; |
| 114 | } |
| 115 | if (!mView.isHardwareAccelerated()) { |
| 116 | // TODO handle this maybe? |
| 117 | return false; |
| 118 | } |
| 119 | if (parent.hasActions()) { |
| 120 | return false; |
| 121 | } |
| 122 | // Here goes nothing... |
| 123 | return true; |
| 124 | } |
| 125 | |
John Reck | 918988c | 2014-05-19 10:28:35 -0700 | [diff] [blame] | 126 | private void cancelAnimators(ArrayList<NameValuesHolder> mPendingAnimations) { |
| 127 | int size = mPendingAnimations.size(); |
| 128 | for (int i = 0; i < size; i++) { |
| 129 | NameValuesHolder holder = mPendingAnimations.get(i); |
| 130 | int property = RenderNodeAnimator.mapViewPropertyToRenderProperty(holder.mNameConstant); |
| 131 | if (mAnimators[property] != null) { |
| 132 | mAnimators[property].cancel(); |
| 133 | mAnimators[property] = null; |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | } |