Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -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.statusbar |
| 18 | |
| 19 | import android.animation.Animator |
| 20 | import android.animation.AnimatorListenerAdapter |
| 21 | import android.animation.ObjectAnimator |
| 22 | import android.animation.ValueAnimator |
| 23 | import android.content.Context |
| 24 | import android.os.PowerManager |
| 25 | import android.os.PowerManager.WAKE_REASON_GESTURE |
| 26 | import android.os.SystemClock |
| 27 | import android.view.MotionEvent |
| 28 | import android.view.ViewConfiguration |
| 29 | |
| 30 | import com.android.systemui.Gefingerpoken |
| 31 | import com.android.systemui.Interpolators |
| 32 | import com.android.systemui.R |
| 33 | import com.android.systemui.classifier.FalsingManager |
| 34 | import com.android.systemui.statusbar.notification.NotificationWakeUpCoordinator |
| 35 | import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow |
| 36 | import com.android.systemui.statusbar.notification.row.ExpandableView |
| 37 | import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout |
| 38 | import com.android.systemui.statusbar.phone.ShadeController |
| 39 | |
| 40 | import javax.inject.Inject |
| 41 | import javax.inject.Singleton |
| 42 | import kotlin.math.max |
| 43 | |
| 44 | /** |
| 45 | * A utility class to enable the downward swipe on when pulsing. |
| 46 | */ |
| 47 | @Singleton |
| 48 | class PulseExpansionHandler @Inject |
| 49 | constructor(context: Context, |
Selim Cinek | 624d6ca | 2019-02-19 15:39:08 -0800 | [diff] [blame] | 50 | private val mWakeUpCoordinator: NotificationWakeUpCoordinator) : Gefingerpoken { |
Selim Cinek | 34518f6 | 2019-02-28 19:41:18 -0800 | [diff] [blame] | 51 | companion object { |
| 52 | private val RUBBERBAND_FACTOR_STATIC = 0.25f |
| 53 | private val SPRING_BACK_ANIMATION_LENGTH_MS = 375 |
| 54 | } |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 55 | private val mPowerManager: PowerManager? |
| 56 | private var mShadeController: ShadeController? = null |
| 57 | |
| 58 | private val mMinDragDistance: Int |
| 59 | private var mInitialTouchX: Float = 0.0f |
| 60 | private var mInitialTouchY: Float = 0.0f |
| 61 | var isExpanding: Boolean = false |
| 62 | private set |
| 63 | private val mTouchSlop: Float |
| 64 | private var mExpansionCallback: ExpansionCallback? = null |
| 65 | private lateinit var mStackScroller: NotificationStackScrollLayout |
| 66 | private val mTemp2 = IntArray(2) |
| 67 | private var mDraggedFarEnough: Boolean = false |
| 68 | private var mStartingChild: ExpandableView? = null |
| 69 | private val mFalsingManager: FalsingManager |
| 70 | private var mPulsing: Boolean = false |
| 71 | var isWakingToShadeLocked: Boolean = false |
| 72 | private set |
| 73 | private var mEmptyDragAmount: Float = 0.0f |
| 74 | private var mWakeUpHeight: Float = 0.0f |
| 75 | private var mReachedWakeUpHeight: Boolean = false |
| 76 | |
| 77 | private val isFalseTouch: Boolean |
| 78 | get() = mFalsingManager.isFalseTouch |
| 79 | |
| 80 | init { |
| 81 | mMinDragDistance = context.resources.getDimensionPixelSize( |
| 82 | R.dimen.keyguard_drag_down_min_distance) |
| 83 | mTouchSlop = ViewConfiguration.get(context).scaledTouchSlop.toFloat() |
| 84 | mFalsingManager = FalsingManager.getInstance(context) |
| 85 | mPowerManager = context.getSystemService(PowerManager::class.java) |
| 86 | } |
| 87 | |
| 88 | override fun onInterceptTouchEvent(event: MotionEvent): Boolean { |
| 89 | return maybeStartExpansion(event) |
| 90 | } |
| 91 | |
| 92 | private fun maybeStartExpansion(event: MotionEvent): Boolean { |
| 93 | if (!mPulsing) { |
| 94 | return false |
| 95 | } |
| 96 | val x = event.x |
| 97 | val y = event.y |
| 98 | |
| 99 | when (event.actionMasked) { |
| 100 | MotionEvent.ACTION_DOWN -> { |
| 101 | mDraggedFarEnough = false |
| 102 | isExpanding = false |
| 103 | mStartingChild = null |
| 104 | mInitialTouchY = y |
| 105 | mInitialTouchX = x |
| 106 | } |
| 107 | |
| 108 | MotionEvent.ACTION_MOVE -> { |
| 109 | val h = y - mInitialTouchY |
| 110 | if (h > mTouchSlop && h > Math.abs(x - mInitialTouchX)) { |
| 111 | mFalsingManager.onStartExpandingFromPulse() |
| 112 | isExpanding = true |
| 113 | captureStartingChild(mInitialTouchX, mInitialTouchY) |
| 114 | mInitialTouchY = y |
| 115 | mInitialTouchX = x |
| 116 | mWakeUpHeight = mWakeUpCoordinator.getWakeUpHeight() |
| 117 | mReachedWakeUpHeight = false |
| 118 | return true |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | return false |
| 123 | } |
| 124 | |
| 125 | override fun onTouchEvent(event: MotionEvent): Boolean { |
| 126 | if (!isExpanding) { |
| 127 | return maybeStartExpansion(event) |
| 128 | } |
| 129 | val y = event.y |
| 130 | |
| 131 | when (event.actionMasked) { |
| 132 | MotionEvent.ACTION_MOVE -> updateExpansionHeight(y - mInitialTouchY) |
| 133 | MotionEvent.ACTION_UP -> if (!mFalsingManager.isUnlockingDisabled && !isFalseTouch) { |
| 134 | finishExpansion() |
| 135 | } else { |
| 136 | cancelExpansion() |
| 137 | } |
| 138 | MotionEvent.ACTION_CANCEL -> cancelExpansion() |
| 139 | } |
| 140 | return isExpanding |
| 141 | } |
| 142 | |
| 143 | private fun finishExpansion() { |
| 144 | resetClock() |
| 145 | if (mStartingChild != null) { |
| 146 | setUserLocked(mStartingChild!!, false) |
| 147 | mStartingChild = null |
| 148 | } |
| 149 | isExpanding = false |
| 150 | isWakingToShadeLocked = true |
| 151 | mPowerManager!!.wakeUp(SystemClock.uptimeMillis(), WAKE_REASON_GESTURE, |
| 152 | "com.android.systemui:PULSEDRAG") |
| 153 | mShadeController!!.goToLockedShade(mStartingChild) |
| 154 | if (mStartingChild is ExpandableNotificationRow) { |
| 155 | val row = mStartingChild as ExpandableNotificationRow? |
| 156 | row!!.onExpandedByGesture(true /* userExpanded */) |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | private fun updateExpansionHeight(height: Float) { |
| 161 | var expansionHeight = max(height, 0.0f) |
| 162 | if (!mReachedWakeUpHeight && height > mWakeUpHeight) { |
| 163 | mReachedWakeUpHeight = true; |
| 164 | } |
| 165 | if (mStartingChild != null) { |
| 166 | val child = mStartingChild!! |
| 167 | val newHeight = Math.min((child.collapsedHeight + expansionHeight).toInt(), |
| 168 | child.maxContentHeight) |
| 169 | child.actualHeight = newHeight |
| 170 | expansionHeight = max(newHeight.toFloat(), expansionHeight) |
| 171 | } else { |
Selim Cinek | 624d6ca | 2019-02-19 15:39:08 -0800 | [diff] [blame] | 172 | val target = if (mReachedWakeUpHeight) mWakeUpHeight else 0.0f |
| 173 | mWakeUpCoordinator.setNotificationsVisibleForExpansion(height > target, |
| 174 | true /* animate */, |
| 175 | true /* increaseSpeed */) |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 176 | expansionHeight = max(mWakeUpHeight, expansionHeight) |
| 177 | } |
Selim Cinek | 5040f2e | 2019-02-14 18:22:42 -0800 | [diff] [blame] | 178 | val emptyDragAmount = mWakeUpCoordinator.setPulseHeight(expansionHeight) |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 179 | setEmptyDragAmount(emptyDragAmount * RUBBERBAND_FACTOR_STATIC) |
| 180 | } |
| 181 | |
| 182 | private fun captureStartingChild(x: Float, y: Float) { |
| 183 | if (mStartingChild == null) { |
| 184 | mStartingChild = findView(x, y) |
| 185 | if (mStartingChild != null) { |
| 186 | setUserLocked(mStartingChild!!, true) |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | private fun setEmptyDragAmount(amount: Float) { |
| 192 | mEmptyDragAmount = amount |
| 193 | mExpansionCallback!!.setEmptyDragAmount(amount) |
| 194 | } |
| 195 | |
| 196 | private fun reset(child: ExpandableView) { |
| 197 | if (child.actualHeight == child.collapsedHeight) { |
| 198 | setUserLocked(child, false) |
| 199 | return |
| 200 | } |
| 201 | val anim = ObjectAnimator.ofInt(child, "actualHeight", |
| 202 | child.actualHeight, child.collapsedHeight) |
| 203 | anim.interpolator = Interpolators.FAST_OUT_SLOW_IN |
| 204 | anim.duration = SPRING_BACK_ANIMATION_LENGTH_MS.toLong() |
| 205 | anim.addListener(object : AnimatorListenerAdapter() { |
| 206 | override fun onAnimationEnd(animation: Animator) { |
| 207 | setUserLocked(child, false) |
| 208 | } |
| 209 | }) |
| 210 | anim.start() |
| 211 | } |
| 212 | |
| 213 | private fun setUserLocked(child: ExpandableView, userLocked: Boolean) { |
| 214 | if (child is ExpandableNotificationRow) { |
| 215 | child.isUserLocked = userLocked |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | private fun resetClock() { |
| 220 | val anim = ValueAnimator.ofFloat(mEmptyDragAmount, 0f) |
| 221 | anim.interpolator = Interpolators.FAST_OUT_SLOW_IN |
| 222 | anim.duration = SPRING_BACK_ANIMATION_LENGTH_MS.toLong() |
| 223 | anim.addUpdateListener { animation -> setEmptyDragAmount(animation.animatedValue as Float) } |
| 224 | anim.start() |
| 225 | } |
| 226 | |
| 227 | private fun cancelExpansion() { |
| 228 | mFalsingManager.onExpansionFromPulseStopped() |
| 229 | if (mStartingChild != null) { |
| 230 | reset(mStartingChild!!) |
| 231 | mStartingChild = null |
| 232 | } else { |
| 233 | resetClock() |
| 234 | } |
Selim Cinek | 624d6ca | 2019-02-19 15:39:08 -0800 | [diff] [blame] | 235 | mWakeUpCoordinator.setNotificationsVisibleForExpansion(false /* visible */, |
| 236 | true /* animate */, |
| 237 | false /* increaseSpeed */) |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 238 | isExpanding = false |
| 239 | } |
| 240 | |
| 241 | private fun findView(x: Float, y: Float): ExpandableView? { |
| 242 | var totalX = x |
| 243 | var totalY = y |
| 244 | mStackScroller.getLocationOnScreen(mTemp2) |
| 245 | totalX += mTemp2[0].toFloat() |
| 246 | totalY += mTemp2[1].toFloat() |
| 247 | val childAtRawPosition = mStackScroller.getChildAtRawPosition(totalX, totalY) |
| 248 | return if (childAtRawPosition != null && childAtRawPosition.isContentExpandable) { |
| 249 | childAtRawPosition |
| 250 | } else null |
| 251 | } |
| 252 | |
| 253 | fun setUp(notificationStackScroller: NotificationStackScrollLayout, |
| 254 | expansionCallback: ExpansionCallback, |
| 255 | shadeController: ShadeController) { |
| 256 | mExpansionCallback = expansionCallback |
| 257 | mShadeController = shadeController |
| 258 | mStackScroller = notificationStackScroller |
| 259 | } |
| 260 | |
| 261 | fun setPulsing(pulsing: Boolean) { |
| 262 | mPulsing = pulsing |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | fun onStartedWakingUp() { |
| 266 | isWakingToShadeLocked = false |
| 267 | } |
| 268 | |
| 269 | interface ExpansionCallback { |
| 270 | fun setEmptyDragAmount(amount: Float) |
| 271 | } |
Selim Cinek | 3d6ae23 | 2019-01-04 14:14:33 -0800 | [diff] [blame] | 272 | } |