Gus Prevas | e2d6f04 | 2018-10-17 15:25:30 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.statusbar.notification.stack; |
| 18 | |
| 19 | import android.animation.Animator; |
| 20 | import android.animation.AnimatorListenerAdapter; |
| 21 | import android.animation.ObjectAnimator; |
| 22 | import android.animation.PropertyValuesHolder; |
| 23 | import android.graphics.Rect; |
| 24 | import android.view.View; |
| 25 | import android.view.animation.Interpolator; |
| 26 | |
| 27 | import com.android.systemui.Interpolators; |
| 28 | import com.android.systemui.statusbar.notification.ShadeViewRefactor; |
| 29 | import com.android.systemui.statusbar.notification.row.ActivatableNotificationView; |
| 30 | |
| 31 | /** |
| 32 | * Represents the bounds of a section of the notification shade and handles animation when the |
| 33 | * bounds change. |
| 34 | */ |
| 35 | class NotificationSection { |
| 36 | private View mOwningView; |
| 37 | private Rect mBounds = new Rect(); |
| 38 | private Rect mCurrentBounds = new Rect(-1, -1, -1, -1); |
| 39 | private Rect mStartAnimationRect = new Rect(); |
| 40 | private Rect mEndAnimationRect = new Rect(); |
| 41 | private ObjectAnimator mTopAnimator = null; |
| 42 | private ObjectAnimator mBottomAnimator = null; |
| 43 | private ActivatableNotificationView mFirstVisibleChild; |
| 44 | private ActivatableNotificationView mLastVisibleChild; |
| 45 | |
| 46 | NotificationSection(View owningView) { |
| 47 | mOwningView = owningView; |
| 48 | } |
| 49 | |
| 50 | public void cancelAnimators() { |
| 51 | if (mBottomAnimator != null) { |
| 52 | mBottomAnimator.cancel(); |
| 53 | } |
| 54 | if (mTopAnimator != null) { |
| 55 | mTopAnimator.cancel(); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | public Rect getCurrentBounds() { |
| 60 | return mCurrentBounds; |
| 61 | } |
| 62 | |
| 63 | public Rect getBounds() { |
| 64 | return mBounds; |
| 65 | } |
| 66 | |
| 67 | public boolean didBoundsChange() { |
| 68 | return !mCurrentBounds.equals(mBounds); |
| 69 | } |
| 70 | |
| 71 | public boolean areBoundsAnimating() { |
| 72 | return mBottomAnimator != null || mTopAnimator != null; |
| 73 | } |
| 74 | |
| 75 | public void startBackgroundAnimation(boolean animateTop, boolean animateBottom) { |
| 76 | // Left and right bounds are always applied immediately. |
| 77 | mCurrentBounds.left = mBounds.left; |
| 78 | mCurrentBounds.right = mBounds.right; |
| 79 | startBottomAnimation(animateBottom); |
| 80 | startTopAnimation(animateTop); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | @ShadeViewRefactor(ShadeViewRefactor.RefactorComponent.STATE_RESOLVER) |
| 85 | private void startTopAnimation(boolean animate) { |
| 86 | int previousEndValue = mEndAnimationRect.top; |
| 87 | int newEndValue = mBounds.top; |
| 88 | ObjectAnimator previousAnimator = mTopAnimator; |
| 89 | if (previousAnimator != null && previousEndValue == newEndValue) { |
| 90 | return; |
| 91 | } |
| 92 | if (!animate) { |
| 93 | // just a local update was performed |
| 94 | if (previousAnimator != null) { |
| 95 | // we need to increase all animation keyframes of the previous animator by the |
| 96 | // relative change to the end value |
| 97 | int previousStartValue = mStartAnimationRect.top; |
| 98 | PropertyValuesHolder[] values = previousAnimator.getValues(); |
| 99 | values[0].setIntValues(previousStartValue, newEndValue); |
| 100 | mStartAnimationRect.top = previousStartValue; |
| 101 | mEndAnimationRect.top = newEndValue; |
| 102 | previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime()); |
| 103 | return; |
| 104 | } else { |
| 105 | // no new animation needed, let's just apply the value |
| 106 | setBackgroundTop(newEndValue); |
| 107 | return; |
| 108 | } |
| 109 | } |
| 110 | if (previousAnimator != null) { |
| 111 | previousAnimator.cancel(); |
| 112 | } |
| 113 | ObjectAnimator animator = ObjectAnimator.ofInt(this, "backgroundTop", |
| 114 | mCurrentBounds.top, newEndValue); |
| 115 | Interpolator interpolator = Interpolators.FAST_OUT_SLOW_IN; |
| 116 | animator.setInterpolator(interpolator); |
| 117 | animator.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD); |
| 118 | // remove the tag when the animation is finished |
| 119 | animator.addListener(new AnimatorListenerAdapter() { |
| 120 | @Override |
| 121 | public void onAnimationEnd(Animator animation) { |
| 122 | mStartAnimationRect.top = -1; |
| 123 | mEndAnimationRect.top = -1; |
| 124 | mTopAnimator = null; |
| 125 | } |
| 126 | }); |
| 127 | animator.start(); |
| 128 | mStartAnimationRect.top = mCurrentBounds.top; |
| 129 | mEndAnimationRect.top = newEndValue; |
| 130 | mTopAnimator = animator; |
| 131 | } |
| 132 | |
| 133 | @ShadeViewRefactor(ShadeViewRefactor.RefactorComponent.STATE_RESOLVER) |
| 134 | private void startBottomAnimation(boolean animate) { |
| 135 | int previousStartValue = mStartAnimationRect.bottom; |
| 136 | int previousEndValue = mEndAnimationRect.bottom; |
| 137 | int newEndValue = mBounds.bottom; |
| 138 | ObjectAnimator previousAnimator = mBottomAnimator; |
| 139 | if (previousAnimator != null && previousEndValue == newEndValue) { |
| 140 | return; |
| 141 | } |
| 142 | if (!animate) { |
| 143 | // just a local update was performed |
| 144 | if (previousAnimator != null) { |
| 145 | // we need to increase all animation keyframes of the previous animator by the |
| 146 | // relative change to the end value |
| 147 | PropertyValuesHolder[] values = previousAnimator.getValues(); |
| 148 | values[0].setIntValues(previousStartValue, newEndValue); |
| 149 | mStartAnimationRect.bottom = previousStartValue; |
| 150 | mEndAnimationRect.bottom = newEndValue; |
| 151 | previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime()); |
| 152 | return; |
| 153 | } else { |
| 154 | // no new animation needed, let's just apply the value |
| 155 | setBackgroundBottom(newEndValue); |
| 156 | return; |
| 157 | } |
| 158 | } |
| 159 | if (previousAnimator != null) { |
| 160 | previousAnimator.cancel(); |
| 161 | } |
| 162 | ObjectAnimator animator = ObjectAnimator.ofInt(this, "backgroundBottom", |
| 163 | mCurrentBounds.bottom, newEndValue); |
| 164 | Interpolator interpolator = Interpolators.FAST_OUT_SLOW_IN; |
| 165 | animator.setInterpolator(interpolator); |
| 166 | animator.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD); |
| 167 | // remove the tag when the animation is finished |
| 168 | animator.addListener(new AnimatorListenerAdapter() { |
| 169 | @Override |
| 170 | public void onAnimationEnd(Animator animation) { |
| 171 | mStartAnimationRect.bottom = -1; |
| 172 | mEndAnimationRect.bottom = -1; |
| 173 | mBottomAnimator = null; |
| 174 | } |
| 175 | }); |
| 176 | animator.start(); |
| 177 | mStartAnimationRect.bottom = mCurrentBounds.bottom; |
| 178 | mEndAnimationRect.bottom = newEndValue; |
| 179 | mBottomAnimator = animator; |
| 180 | } |
| 181 | |
| 182 | @ShadeViewRefactor(ShadeViewRefactor.RefactorComponent.SHADE_VIEW) |
| 183 | private void setBackgroundTop(int top) { |
| 184 | mCurrentBounds.top = top; |
| 185 | mOwningView.invalidate(); |
| 186 | } |
| 187 | |
| 188 | @ShadeViewRefactor(ShadeViewRefactor.RefactorComponent.SHADE_VIEW) |
| 189 | private void setBackgroundBottom(int bottom) { |
| 190 | mCurrentBounds.bottom = bottom; |
| 191 | mOwningView.invalidate(); |
| 192 | } |
| 193 | |
| 194 | public ActivatableNotificationView getFirstVisibleChild() { |
| 195 | return mFirstVisibleChild; |
| 196 | } |
| 197 | |
| 198 | public ActivatableNotificationView getLastVisibleChild() { |
| 199 | return mLastVisibleChild; |
| 200 | } |
| 201 | |
| 202 | public void setFirstVisibleChild(ActivatableNotificationView child) { |
| 203 | mFirstVisibleChild = child; |
| 204 | } |
| 205 | |
| 206 | public void setLastVisibleChild(ActivatableNotificationView child) { |
| 207 | mLastVisibleChild = child; |
| 208 | } |
| 209 | |
| 210 | public void resetCurrentBounds() { |
| 211 | mCurrentBounds.set(mBounds); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Returns true if {@code top} is equal to the top of this section (if not currently animating) |
| 216 | * or where the top of this section will be when animation completes. |
| 217 | */ |
| 218 | public boolean isTargetTop(int top) { |
| 219 | return (mTopAnimator == null && mCurrentBounds.top == top) |
| 220 | || (mTopAnimator != null && mEndAnimationRect.top == top); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Returns true if {@code bottom} is equal to the bottom of this section (if not currently |
| 225 | * animating) or where the bottom of this section will be when animation completes. |
| 226 | */ |
| 227 | public boolean isTargetBottom(int bottom) { |
| 228 | return (mBottomAnimator == null && mCurrentBounds.bottom == bottom) |
| 229 | || (mBottomAnimator != null && mEndAnimationRect.bottom == bottom); |
| 230 | } |
| 231 | } |