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Implement scrollToTop

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This commit is contained in:
Peter 2019-07-09 19:48:08 +04:00
parent 3697b76022
commit 6400232893
1 changed files with 7 additions and 1 deletions
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8
submodules/TelegramUI/TelegramUI/ContactsSearchContainerNode.swift
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@ -130,7 +130,7 @@ final class ContactsSearchContainerNode: SearchDisplayControllerContentNode {
private let openPeer: (ContactListPeer) -> Void private let openPeer: (ContactListPeer) -> Void
private let dimNode: ASDisplayNode private let dimNode: ASDisplayNode
private let listNode: ListView let listNode: ListView
private let searchQuery = Promise<String?>() private let searchQuery = Promise<String?>()
private let searchDisposable = MetaDisposable() private let searchDisposable = MetaDisposable()
@ -317,6 +317,12 @@ final class ContactsSearchContainerNode: SearchDisplayControllerContentNode {
self.searchDisposable.dispose() self.searchDisposable.dispose()
} }
override func scrollToTop() {
if !self.listNode.isHidden {
self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
}
}
override func didLoad() { override func didLoad() {
super.didLoad() super.didLoad()