Eliot Courtney | 2b4c3a0 | 2017-11-27 13:27:46 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.content.Context; |
| 20 | import android.content.res.Resources; |
| 21 | import android.util.Log; |
| 22 | import android.view.View; |
| 23 | import android.view.ViewGroup; |
| 24 | |
Eliot Courtney | 6c313d3 | 2017-12-14 19:57:51 +0900 | [diff] [blame] | 25 | import com.android.systemui.Dependency; |
Eliot Courtney | 2b4c3a0 | 2017-11-27 13:27:46 +0900 | [diff] [blame] | 26 | import com.android.systemui.R; |
| 27 | import com.android.systemui.statusbar.notification.VisualStabilityManager; |
| 28 | import com.android.systemui.statusbar.phone.NotificationGroupManager; |
| 29 | |
| 30 | import java.util.ArrayList; |
| 31 | import java.util.HashMap; |
| 32 | import java.util.List; |
| 33 | import java.util.Stack; |
| 34 | |
| 35 | /** |
| 36 | * NotificationViewHierarchyManager manages updating the view hierarchy of notification views based |
| 37 | * on their group structure. For example, if a notification becomes bundled with another, |
| 38 | * NotificationViewHierarchyManager will update the view hierarchy to reflect that. It also will |
| 39 | * tell NotificationListContainer which notifications to display, and inform it of changes to those |
| 40 | * notifications that might affect their display. |
| 41 | */ |
| 42 | public class NotificationViewHierarchyManager { |
| 43 | private static final String TAG = "NotificationViewHierarchyManager"; |
| 44 | |
| 45 | private final HashMap<ExpandableNotificationRow, List<ExpandableNotificationRow>> |
| 46 | mTmpChildOrderMap = new HashMap<>(); |
Eliot Courtney | 6c313d3 | 2017-12-14 19:57:51 +0900 | [diff] [blame] | 47 | |
| 48 | // Dependencies: |
| 49 | protected final NotificationLockscreenUserManager mLockscreenUserManager = |
| 50 | Dependency.get(NotificationLockscreenUserManager.class); |
| 51 | protected final NotificationGroupManager mGroupManager = |
| 52 | Dependency.get(NotificationGroupManager.class); |
| 53 | protected final VisualStabilityManager mVisualStabilityManager = |
| 54 | Dependency.get(VisualStabilityManager.class); |
Eliot Courtney | 2b4c3a0 | 2017-11-27 13:27:46 +0900 | [diff] [blame] | 55 | |
| 56 | /** |
| 57 | * {@code true} if notifications not part of a group should by default be rendered in their |
| 58 | * expanded state. If {@code false}, then only the first notification will be expanded if |
| 59 | * possible. |
| 60 | */ |
| 61 | private final boolean mAlwaysExpandNonGroupedNotification; |
| 62 | |
| 63 | private NotificationPresenter mPresenter; |
| 64 | private NotificationEntryManager mEntryManager; |
| 65 | private NotificationListContainer mListContainer; |
| 66 | |
Eliot Courtney | 6c313d3 | 2017-12-14 19:57:51 +0900 | [diff] [blame] | 67 | public NotificationViewHierarchyManager(Context context) { |
Eliot Courtney | 2b4c3a0 | 2017-11-27 13:27:46 +0900 | [diff] [blame] | 68 | Resources res = context.getResources(); |
| 69 | mAlwaysExpandNonGroupedNotification = |
| 70 | res.getBoolean(R.bool.config_alwaysExpandNonGroupedNotifications); |
| 71 | } |
| 72 | |
| 73 | public void setUpWithPresenter(NotificationPresenter presenter, |
| 74 | NotificationEntryManager entryManager, NotificationListContainer listContainer) { |
| 75 | mPresenter = presenter; |
| 76 | mEntryManager = entryManager; |
| 77 | mListContainer = listContainer; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Updates the visual representation of the notifications. |
| 82 | */ |
| 83 | public void updateNotificationViews() { |
| 84 | ArrayList<NotificationData.Entry> activeNotifications = mEntryManager.getNotificationData() |
| 85 | .getActiveNotifications(); |
| 86 | ArrayList<ExpandableNotificationRow> toShow = new ArrayList<>(activeNotifications.size()); |
| 87 | final int N = activeNotifications.size(); |
| 88 | for (int i = 0; i < N; i++) { |
| 89 | NotificationData.Entry ent = activeNotifications.get(i); |
| 90 | if (ent.row.isDismissed() || ent.row.isRemoved()) { |
| 91 | // we don't want to update removed notifications because they could |
| 92 | // temporarily become children if they were isolated before. |
| 93 | continue; |
| 94 | } |
| 95 | int userId = ent.notification.getUserId(); |
| 96 | |
| 97 | // Display public version of the notification if we need to redact. |
| 98 | // TODO: This area uses a lot of calls into NotificationLockscreenUserManager. |
| 99 | // We can probably move some of this code there. |
| 100 | boolean devicePublic = mLockscreenUserManager.isLockscreenPublicMode( |
| 101 | mLockscreenUserManager.getCurrentUserId()); |
| 102 | boolean userPublic = devicePublic |
| 103 | || mLockscreenUserManager.isLockscreenPublicMode(userId); |
| 104 | boolean needsRedaction = mLockscreenUserManager.needsRedaction(ent); |
| 105 | boolean sensitive = userPublic && needsRedaction; |
| 106 | boolean deviceSensitive = devicePublic |
| 107 | && !mLockscreenUserManager.userAllowsPrivateNotificationsInPublic( |
| 108 | mLockscreenUserManager.getCurrentUserId()); |
| 109 | ent.row.setSensitive(sensitive, deviceSensitive); |
| 110 | ent.row.setNeedsRedaction(needsRedaction); |
| 111 | if (mGroupManager.isChildInGroupWithSummary(ent.row.getStatusBarNotification())) { |
| 112 | ExpandableNotificationRow summary = mGroupManager.getGroupSummary( |
| 113 | ent.row.getStatusBarNotification()); |
| 114 | List<ExpandableNotificationRow> orderedChildren = |
| 115 | mTmpChildOrderMap.get(summary); |
| 116 | if (orderedChildren == null) { |
| 117 | orderedChildren = new ArrayList<>(); |
| 118 | mTmpChildOrderMap.put(summary, orderedChildren); |
| 119 | } |
| 120 | orderedChildren.add(ent.row); |
| 121 | } else { |
| 122 | toShow.add(ent.row); |
| 123 | } |
| 124 | |
| 125 | } |
| 126 | |
| 127 | ArrayList<ExpandableNotificationRow> toRemove = new ArrayList<>(); |
| 128 | for (int i=0; i< mListContainer.getContainerChildCount(); i++) { |
| 129 | View child = mListContainer.getContainerChildAt(i); |
| 130 | if (!toShow.contains(child) && child instanceof ExpandableNotificationRow) { |
| 131 | toRemove.add((ExpandableNotificationRow) child); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | for (ExpandableNotificationRow remove : toRemove) { |
| 136 | if (mGroupManager.isChildInGroupWithSummary(remove.getStatusBarNotification())) { |
| 137 | // we are only transferring this notification to its parent, don't generate an |
| 138 | // animation |
| 139 | mListContainer.setChildTransferInProgress(true); |
| 140 | } |
| 141 | if (remove.isSummaryWithChildren()) { |
| 142 | remove.removeAllChildren(); |
| 143 | } |
| 144 | mListContainer.removeContainerView(remove); |
| 145 | mListContainer.setChildTransferInProgress(false); |
| 146 | } |
| 147 | |
| 148 | removeNotificationChildren(); |
| 149 | |
| 150 | for (int i = 0; i < toShow.size(); i++) { |
| 151 | View v = toShow.get(i); |
| 152 | if (v.getParent() == null) { |
| 153 | mVisualStabilityManager.notifyViewAddition(v); |
| 154 | mListContainer.addContainerView(v); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | addNotificationChildrenAndSort(); |
| 159 | |
| 160 | // So after all this work notifications still aren't sorted correctly. |
| 161 | // Let's do that now by advancing through toShow and mListContainer in |
| 162 | // lock-step, making sure mListContainer matches what we see in toShow. |
| 163 | int j = 0; |
| 164 | for (int i = 0; i < mListContainer.getContainerChildCount(); i++) { |
| 165 | View child = mListContainer.getContainerChildAt(i); |
| 166 | if (!(child instanceof ExpandableNotificationRow)) { |
| 167 | // We don't care about non-notification views. |
| 168 | continue; |
| 169 | } |
| 170 | |
| 171 | ExpandableNotificationRow targetChild = toShow.get(j); |
| 172 | if (child != targetChild) { |
| 173 | // Oops, wrong notification at this position. Put the right one |
| 174 | // here and advance both lists. |
| 175 | if (mVisualStabilityManager.canReorderNotification(targetChild)) { |
| 176 | mListContainer.changeViewPosition(targetChild, i); |
| 177 | } else { |
| 178 | mVisualStabilityManager.addReorderingAllowedCallback(mEntryManager); |
| 179 | } |
| 180 | } |
| 181 | j++; |
| 182 | |
| 183 | } |
| 184 | |
| 185 | mVisualStabilityManager.onReorderingFinished(); |
| 186 | // clear the map again for the next usage |
| 187 | mTmpChildOrderMap.clear(); |
| 188 | |
| 189 | updateRowStates(); |
| 190 | |
| 191 | mListContainer.onNotificationViewUpdateFinished(); |
| 192 | } |
| 193 | |
| 194 | private void addNotificationChildrenAndSort() { |
| 195 | // Let's now add all notification children which are missing |
| 196 | boolean orderChanged = false; |
| 197 | for (int i = 0; i < mListContainer.getContainerChildCount(); i++) { |
| 198 | View view = mListContainer.getContainerChildAt(i); |
| 199 | if (!(view instanceof ExpandableNotificationRow)) { |
| 200 | // We don't care about non-notification views. |
| 201 | continue; |
| 202 | } |
| 203 | |
| 204 | ExpandableNotificationRow parent = (ExpandableNotificationRow) view; |
| 205 | List<ExpandableNotificationRow> children = parent.getNotificationChildren(); |
| 206 | List<ExpandableNotificationRow> orderedChildren = mTmpChildOrderMap.get(parent); |
| 207 | |
| 208 | for (int childIndex = 0; orderedChildren != null && childIndex < orderedChildren.size(); |
| 209 | childIndex++) { |
| 210 | ExpandableNotificationRow childView = orderedChildren.get(childIndex); |
| 211 | if (children == null || !children.contains(childView)) { |
| 212 | if (childView.getParent() != null) { |
| 213 | Log.wtf(TAG, "trying to add a notification child that already has " + |
| 214 | "a parent. class:" + childView.getParent().getClass() + |
| 215 | "\n child: " + childView); |
| 216 | // This shouldn't happen. We can recover by removing it though. |
| 217 | ((ViewGroup) childView.getParent()).removeView(childView); |
| 218 | } |
| 219 | mVisualStabilityManager.notifyViewAddition(childView); |
| 220 | parent.addChildNotification(childView, childIndex); |
| 221 | mListContainer.notifyGroupChildAdded(childView); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | // Finally after removing and adding has been performed we can apply the order. |
| 226 | orderChanged |= parent.applyChildOrder(orderedChildren, mVisualStabilityManager, |
| 227 | mEntryManager); |
| 228 | } |
| 229 | if (orderChanged) { |
| 230 | mListContainer.generateChildOrderChangedEvent(); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | private void removeNotificationChildren() { |
| 235 | // First let's remove all children which don't belong in the parents |
| 236 | ArrayList<ExpandableNotificationRow> toRemove = new ArrayList<>(); |
| 237 | for (int i = 0; i < mListContainer.getContainerChildCount(); i++) { |
| 238 | View view = mListContainer.getContainerChildAt(i); |
| 239 | if (!(view instanceof ExpandableNotificationRow)) { |
| 240 | // We don't care about non-notification views. |
| 241 | continue; |
| 242 | } |
| 243 | |
| 244 | ExpandableNotificationRow parent = (ExpandableNotificationRow) view; |
| 245 | List<ExpandableNotificationRow> children = parent.getNotificationChildren(); |
| 246 | List<ExpandableNotificationRow> orderedChildren = mTmpChildOrderMap.get(parent); |
| 247 | |
| 248 | if (children != null) { |
| 249 | toRemove.clear(); |
| 250 | for (ExpandableNotificationRow childRow : children) { |
| 251 | if ((orderedChildren == null |
| 252 | || !orderedChildren.contains(childRow)) |
| 253 | && !childRow.keepInParent()) { |
| 254 | toRemove.add(childRow); |
| 255 | } |
| 256 | } |
| 257 | for (ExpandableNotificationRow remove : toRemove) { |
| 258 | parent.removeChildNotification(remove); |
| 259 | if (mEntryManager.getNotificationData().get( |
| 260 | remove.getStatusBarNotification().getKey()) == null) { |
| 261 | // We only want to add an animation if the view is completely removed |
| 262 | // otherwise it's just a transfer |
| 263 | mListContainer.notifyGroupChildRemoved(remove, |
| 264 | parent.getChildrenContainer()); |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Updates expanded, dimmed and locked states of notification rows. |
| 273 | */ |
| 274 | public void updateRowStates() { |
| 275 | final int N = mListContainer.getContainerChildCount(); |
| 276 | |
| 277 | int visibleNotifications = 0; |
| 278 | boolean isLocked = mPresenter.isPresenterLocked(); |
| 279 | int maxNotifications = -1; |
| 280 | if (isLocked) { |
| 281 | maxNotifications = mPresenter.getMaxNotificationsWhileLocked(true /* recompute */); |
| 282 | } |
| 283 | mListContainer.setMaxDisplayedNotifications(maxNotifications); |
| 284 | Stack<ExpandableNotificationRow> stack = new Stack<>(); |
| 285 | for (int i = N - 1; i >= 0; i--) { |
| 286 | View child = mListContainer.getContainerChildAt(i); |
| 287 | if (!(child instanceof ExpandableNotificationRow)) { |
| 288 | continue; |
| 289 | } |
| 290 | stack.push((ExpandableNotificationRow) child); |
| 291 | } |
| 292 | while(!stack.isEmpty()) { |
| 293 | ExpandableNotificationRow row = stack.pop(); |
| 294 | NotificationData.Entry entry = row.getEntry(); |
| 295 | boolean isChildNotification = |
| 296 | mGroupManager.isChildInGroupWithSummary(entry.notification); |
| 297 | |
| 298 | row.setOnKeyguard(isLocked); |
| 299 | |
| 300 | if (!isLocked) { |
| 301 | // If mAlwaysExpandNonGroupedNotification is false, then only expand the |
| 302 | // very first notification and if it's not a child of grouped notifications. |
| 303 | row.setSystemExpanded(mAlwaysExpandNonGroupedNotification |
| 304 | || (visibleNotifications == 0 && !isChildNotification |
| 305 | && !row.isLowPriority())); |
| 306 | } |
| 307 | |
| 308 | entry.row.setShowAmbient(mPresenter.isDozing()); |
| 309 | int userId = entry.notification.getUserId(); |
| 310 | boolean suppressedSummary = mGroupManager.isSummaryOfSuppressedGroup( |
| 311 | entry.notification) && !entry.row.isRemoved(); |
| 312 | boolean showOnKeyguard = mLockscreenUserManager.shouldShowOnKeyguard(entry |
| 313 | .notification); |
| 314 | if (suppressedSummary |
| 315 | || (mLockscreenUserManager.isLockscreenPublicMode(userId) |
| 316 | && !mLockscreenUserManager.shouldShowLockscreenNotifications()) |
| 317 | || (isLocked && !showOnKeyguard)) { |
| 318 | entry.row.setVisibility(View.GONE); |
| 319 | } else { |
| 320 | boolean wasGone = entry.row.getVisibility() == View.GONE; |
| 321 | if (wasGone) { |
| 322 | entry.row.setVisibility(View.VISIBLE); |
| 323 | } |
| 324 | if (!isChildNotification && !entry.row.isRemoved()) { |
| 325 | if (wasGone) { |
| 326 | // notify the scroller of a child addition |
| 327 | mListContainer.generateAddAnimation(entry.row, |
| 328 | !showOnKeyguard /* fromMoreCard */); |
| 329 | } |
| 330 | visibleNotifications++; |
| 331 | } |
| 332 | } |
| 333 | if (row.isSummaryWithChildren()) { |
| 334 | List<ExpandableNotificationRow> notificationChildren = |
| 335 | row.getNotificationChildren(); |
| 336 | int size = notificationChildren.size(); |
| 337 | for (int i = size - 1; i >= 0; i--) { |
| 338 | stack.push(notificationChildren.get(i)); |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | mPresenter.onUpdateRowStates(); |
| 344 | } |
| 345 | } |