| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.statusbar.notification.collection.render; |
| |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.statusbar.notification.collection.NotificationEntry; |
| import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow; |
| |
| /** |
| * Tracks expanded notification states for groups. This expanded state should not be confused by the |
| * expanded/collapsed state of a single notification which is tracked within each |
| * ExpandableNotificationRow. |
| */ |
| public interface GroupExpansionManager extends Dumpable { |
| |
| /** |
| * Register a listener for group expansion changes |
| */ |
| void registerGroupExpansionChangeListener(OnGroupExpansionChangeListener listener); |
| |
| /** |
| * Whether the group associated with this notification is expanded. |
| * If this notification is not part of a group, it will always return false. |
| */ |
| boolean isGroupExpanded(NotificationEntry entry); |
| |
| /** |
| * Set whether the group associated with this notification is expanded or not. |
| */ |
| void setGroupExpanded(NotificationEntry entry, boolean expanded); |
| |
| /** @return group expansion state after toggling. */ |
| boolean toggleGroupExpansion(NotificationEntry entry); |
| |
| /** |
| * Set expanded=false for all groups |
| */ |
| void collapseGroups(); |
| |
| /** |
| * Listener for group expansion changes. |
| */ |
| interface OnGroupExpansionChangeListener { |
| /** |
| * The expansion of a group has changed. |
| * |
| * @param changedRow the row for which the expansion has changed, which is also the summary |
| * @param expanded a boolean indicating the new expanded state |
| */ |
| void onGroupExpansionChange(ExpandableNotificationRow changedRow, boolean expanded); |
| } |
| } |