PeerInfoPaneNode
struct PeerInfoStatusData
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var text: String
var isActivity: Bool
protocol PeerInfoPaneNode
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var isReady: Signal<Bool, NoError> { get }
var parentController: ViewController? { get set }
// associated status
var status: Signal<PeerInfoStatusData?, NoError> { get }
// response to tabbar offset
var tabBarOffsetUpdated: ((ContainedViewLayoutTransition) -> Void)? { get set }
var tabBarOffset: CGFloat { get }
// update layout
func update(size: CGSize, topInset: CGFloat, sideInset: CGFloat, bottomInset: CGFloat, visibleHeight: CGFloat, isScrollingLockedAtTop: Bool, expandProgress: CGFloat, presentationData: PresentationData, synchronous: Bool, transition: ContainedViewLayoutTransition)
// whether scrollToTop
func scrollToTop() -> Bool
// velocity
func transferVelocity(_ velocity: CGFloat)
// cancel preview gestures
func cancelPreviewGestures()
// find loaded message
func findLoadedMessage(id: MessageId) -> Message?
// transiton node from gallery
func transitionNodeForGallery(messageId: MessageId, media: Media) -> (ASDisplayNode, CGRect, () -> (UIView?, UIView?))?
// add view to transition surface
func addToTransitionSurface(view: UIView)
// update media hidden
func updateHiddenMedia()
// update selected message
func updateSelectedMessages(animated: Bool)
// ensure message visible
func ensureMessageIsVisible(id: MessageId)