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Code Issues Packages Projects Releases Wiki Activity

Allow pan to select on context actions

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This commit is contained in:
Peter
2019-10-11 16:08:12 +04:00
parent f4a21f9729
commit cbf1e62c46
3 changed files with 131 additions and 15 deletions
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68
submodules/ContextUI/Sources/ContextActionsContainerNode.swift
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@@ -3,6 +3,35 @@ import AsyncDisplayKit
import Display
import TelegramPresentationData
private final class ContextActionsSelectionGestureRecognizer: UIPanGestureRecognizer {
var updateLocation: ((CGPoint, Bool) -> Void)?
var completed: ((Bool) -> Void)?
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent) {
super.touchesBegan(touches, with: event)
self.updateLocation?(touches.first!.location(in: self.view), false)
}
override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent) {
super.touchesMoved(touches, with: event)
self.updateLocation?(touches.first!.location(in: self.view), true)
}
override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent) {
super.touchesEnded(touches, with: event)
self.completed?(true)
}
override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent) {
super.touchesCancelled(touches, with: event)
self.completed?(false)
}
}
private enum ContextItemNode {
case action(ContextActionNode)
case itemSeparator(ASDisplayNode)
@@ -12,8 +41,14 @@ private enum ContextItemNode {
final class ContextActionsContainerNode: ASDisplayNode {
private var effectView: UIVisualEffectView?
private var itemNodes: [ContextItemNode]
private let feedbackTap: () -> Void
init(theme: PresentationTheme, items: [ContextMenuItem], getController: @escaping () -> ContextController?, actionSelected: @escaping (ContextMenuActionResult) -> Void) {
private(set) var gesture: UIGestureRecognizer?
private var currentHighlightedActionNode: ContextActionNode?
init(theme: PresentationTheme, items: [ContextMenuItem], getController: @escaping () -> ContextController?, actionSelected: @escaping (ContextMenuActionResult) -> Void, feedbackTap: @escaping () -> Void) {
self.feedbackTap = feedbackTap
var itemNodes: [ContextItemNode] = []
for i in 0 ..< items.count {
switch items[i] {
@@ -43,6 +78,7 @@ final class ContextActionsContainerNode: ASDisplayNode {
self.itemNodes.forEach({ itemNode in
switch itemNode {
case let .action(actionNode):
actionNode.isUserInteractionEnabled = false
self.addSubnode(actionNode)
case let .itemSeparator(separatorNode):
self.addSubnode(separatorNode)
@@ -50,6 +86,36 @@ final class ContextActionsContainerNode: ASDisplayNode {
self.addSubnode(separatorNode)
}
})
let gesture = ContextActionsSelectionGestureRecognizer(target: nil, action: nil)
self.gesture = gesture
gesture.updateLocation = { [weak self] point, moved in
guard let strongSelf = self else {
return
}
let actionNode = strongSelf.actionNode(at: point)
if actionNode !== strongSelf.currentHighlightedActionNode {
if actionNode != nil, moved {
strongSelf.feedbackTap()
}
strongSelf.currentHighlightedActionNode?.setIsHighlighted(false)
}
strongSelf.currentHighlightedActionNode = actionNode
actionNode?.setIsHighlighted(true)
}
gesture.completed = { [weak self] performAction in
guard let strongSelf = self else {
return
}
if let currentHighlightedActionNode = strongSelf.currentHighlightedActionNode {
strongSelf.currentHighlightedActionNode = nil
currentHighlightedActionNode.setIsHighlighted(false)
if performAction {
currentHighlightedActionNode.performAction()
}
}
}
self.view.addGestureRecognizer(gesture)
}
func updateLayout(widthClass: ContainerViewLayoutSizeClass, constrainedWidth: CGFloat, transition: ContainedViewLayoutTransition) -> CGSize {