mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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Sticker input rewrite continued
This commit is contained in:
Ali
@@ -3,19 +3,31 @@ import UIKit
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import Display
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import ComponentFlow
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public protocol PagerExpandableScrollView: UIScrollView {
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}
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public protocol PagerPanGestureRecognizer: UIGestureRecognizer {
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}
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public final class PagerComponentChildEnvironment: Equatable {
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public struct ContentScrollingUpdate {
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public var relativeOffset: CGFloat
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public var absoluteOffsetToClosestEdge: CGFloat?
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public var absoluteOffsetToTopEdge: CGFloat?
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public var absoluteOffsetToBottomEdge: CGFloat?
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public var isInteracting: Bool
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public var transition: Transition
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public init(
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relativeOffset: CGFloat,
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absoluteOffsetToClosestEdge: CGFloat?,
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absoluteOffsetToTopEdge: CGFloat?,
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absoluteOffsetToBottomEdge: CGFloat?,
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isInteracting: Bool,
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transition: Transition
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) {
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self.relativeOffset = relativeOffset
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self.absoluteOffsetToClosestEdge = absoluteOffsetToClosestEdge
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self.absoluteOffsetToTopEdge = absoluteOffsetToTopEdge
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self.absoluteOffsetToBottomEdge = absoluteOffsetToBottomEdge
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self.isInteracting = isInteracting
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self.transition = transition
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}
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}
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@@ -40,28 +52,34 @@ public final class PagerComponentChildEnvironment: Equatable {
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}
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}
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public final class PagerComponentPanelEnvironment: Equatable {
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public final class PagerComponentPanelEnvironment<TopPanelEnvironment>: Equatable {
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public let contentOffset: CGFloat
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public let contentTopPanels: [AnyComponentWithIdentity<Empty>]
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public let contentTopPanels: [AnyComponentWithIdentity<TopPanelEnvironment>]
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public let contentIcons: [AnyComponentWithIdentity<Empty>]
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public let contentAccessoryLeftButtons: [AnyComponentWithIdentity<Empty>]
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public let contentAccessoryRightButtons: [AnyComponentWithIdentity<Empty>]
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public let activeContentId: AnyHashable?
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public let navigateToContentId: (AnyHashable) -> Void
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public let visibilityFractionUpdated: ActionSlot<(CGFloat, Transition)>
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init(
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contentOffset: CGFloat,
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contentTopPanels: [AnyComponentWithIdentity<Empty>],
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contentTopPanels: [AnyComponentWithIdentity<TopPanelEnvironment>],
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contentIcons: [AnyComponentWithIdentity<Empty>],
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contentAccessoryLeftButtons: [AnyComponentWithIdentity<Empty>],
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contentAccessoryRightButtons: [AnyComponentWithIdentity<Empty>],
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activeContentId: AnyHashable?,
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navigateToContentId: @escaping (AnyHashable) -> Void
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navigateToContentId: @escaping (AnyHashable) -> Void,
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visibilityFractionUpdated: ActionSlot<(CGFloat, Transition)>
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) {
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self.contentOffset = contentOffset
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self.contentTopPanels = contentTopPanels
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self.contentIcons = contentIcons
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self.contentAccessoryLeftButtons = contentAccessoryLeftButtons
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self.contentAccessoryRightButtons = contentAccessoryRightButtons
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self.activeContentId = activeContentId
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self.navigateToContentId = navigateToContentId
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self.visibilityFractionUpdated = visibilityFractionUpdated
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}
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public static func ==(lhs: PagerComponentPanelEnvironment, rhs: PagerComponentPanelEnvironment) -> Bool {
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@@ -74,12 +92,18 @@ public final class PagerComponentPanelEnvironment: Equatable {
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if lhs.contentIcons != rhs.contentIcons {
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return false
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}
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if lhs.contentAccessoryLeftButtons != rhs.contentAccessoryLeftButtons {
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return false
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}
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if lhs.contentAccessoryRightButtons != rhs.contentAccessoryRightButtons {
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return false
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}
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if lhs.activeContentId != rhs.activeContentId {
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return false
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}
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if lhs.visibilityFractionUpdated !== rhs.visibilityFractionUpdated {
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return false
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}
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return true
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}
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@@ -93,38 +117,48 @@ public struct PagerComponentPanelState {
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}
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}
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public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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public final class PagerComponentViewTag {
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public init() {
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}
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}
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public final class PagerComponent<ChildEnvironmentType: Equatable, TopPanelEnvironment: Equatable>: Component {
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public typealias EnvironmentType = ChildEnvironmentType
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public let contentInsets: UIEdgeInsets
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public let contents: [AnyComponentWithIdentity<(ChildEnvironmentType, PagerComponentChildEnvironment)>]
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public let contentTopPanels: [AnyComponentWithIdentity<Empty>]
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public let contentTopPanels: [AnyComponentWithIdentity<TopPanelEnvironment>]
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public let contentIcons: [AnyComponentWithIdentity<Empty>]
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public let contentAccessoryLeftButtons:[AnyComponentWithIdentity<Empty>]
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public let contentAccessoryRightButtons:[AnyComponentWithIdentity<Empty>]
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public let defaultId: AnyHashable?
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public let contentBackground: AnyComponent<Empty>?
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public let topPanel: AnyComponent<PagerComponentPanelEnvironment>?
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public let topPanel: AnyComponent<PagerComponentPanelEnvironment<TopPanelEnvironment>>?
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public let externalTopPanelContainer: UIView?
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public let bottomPanel: AnyComponent<PagerComponentPanelEnvironment>?
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public let bottomPanel: AnyComponent<PagerComponentPanelEnvironment<TopPanelEnvironment>>?
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public let panelStateUpdated: ((PagerComponentPanelState, Transition) -> Void)?
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public let hidePanels: Bool
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public init(
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contentInsets: UIEdgeInsets,
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contents: [AnyComponentWithIdentity<(ChildEnvironmentType, PagerComponentChildEnvironment)>],
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contentTopPanels: [AnyComponentWithIdentity<Empty>],
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contentTopPanels: [AnyComponentWithIdentity<TopPanelEnvironment>],
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contentIcons: [AnyComponentWithIdentity<Empty>],
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contentAccessoryRightButtons:[AnyComponentWithIdentity<Empty>],
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contentAccessoryLeftButtons: [AnyComponentWithIdentity<Empty>],
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contentAccessoryRightButtons: [AnyComponentWithIdentity<Empty>],
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defaultId: AnyHashable?,
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contentBackground: AnyComponent<Empty>?,
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topPanel: AnyComponent<PagerComponentPanelEnvironment>?,
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topPanel: AnyComponent<PagerComponentPanelEnvironment<TopPanelEnvironment>>?,
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externalTopPanelContainer: UIView?,
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bottomPanel: AnyComponent<PagerComponentPanelEnvironment>?,
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panelStateUpdated: ((PagerComponentPanelState, Transition) -> Void)?
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bottomPanel: AnyComponent<PagerComponentPanelEnvironment<TopPanelEnvironment>>?,
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panelStateUpdated: ((PagerComponentPanelState, Transition) -> Void)?,
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hidePanels: Bool
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) {
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self.contentInsets = contentInsets
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self.contents = contents
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self.contentTopPanels = contentTopPanels
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self.contentIcons = contentIcons
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self.contentAccessoryLeftButtons = contentAccessoryLeftButtons
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self.contentAccessoryRightButtons = contentAccessoryRightButtons
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self.defaultId = defaultId
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self.contentBackground = contentBackground
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@@ -132,6 +166,7 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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self.externalTopPanelContainer = externalTopPanelContainer
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self.bottomPanel = bottomPanel
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self.panelStateUpdated = panelStateUpdated
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self.hidePanels = hidePanels
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}
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public static func ==(lhs: PagerComponent, rhs: PagerComponent) -> Bool {
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@@ -162,43 +197,56 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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if lhs.bottomPanel != rhs.bottomPanel {
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return false
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}
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if lhs.hidePanels != rhs.hidePanels {
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return false
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}
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return true
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}
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public final class View: UIView {
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public final class View: UIView, ComponentTaggedView {
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private final class ContentView {
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let view: ComponentHostView<(ChildEnvironmentType, PagerComponentChildEnvironment)>
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var scrollingPanelOffsetToClosestEdge: CGFloat = 0.0
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var scrollingPanelOffsetToTopEdge: CGFloat = 0.0
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var scrollingPanelOffsetToBottomEdge: CGFloat = .greatestFiniteMagnitude
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var scrollingPanelOffsetFraction: CGFloat = 0.0
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init(view: ComponentHostView<(ChildEnvironmentType, PagerComponentChildEnvironment)>) {
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self.view = view
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}
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}
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private final class PagerPanGestureRecognizerImpl: UIPanGestureRecognizer, PagerPanGestureRecognizer {
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}
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private struct PaneTransitionGestureState {
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var fraction: CGFloat = 0.0
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}
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private var contentViews: [AnyHashable: ContentView] = [:]
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private var contentBackgroundView: ComponentHostView<Empty>?
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private var topPanelView: ComponentHostView<PagerComponentPanelEnvironment>?
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private var bottomPanelView: ComponentHostView<PagerComponentPanelEnvironment>?
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private let topPanelVisibilityFractionUpdated = ActionSlot<(CGFloat, Transition)>()
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private var topPanelView: ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>?
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private let bottomPanelVisibilityFractionUpdated = ActionSlot<(CGFloat, Transition)>()
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private var bottomPanelView: ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>?
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private var centralId: AnyHashable?
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private var topPanelHeight: CGFloat?
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private var bottomPanelHeight: CGFloat?
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public private(set) var centralId: AnyHashable?
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private var paneTransitionGestureState: PaneTransitionGestureState?
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private var component: PagerComponent<ChildEnvironmentType>?
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private var component: PagerComponent<ChildEnvironmentType, TopPanelEnvironment>?
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private weak var state: EmptyComponentState?
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private var panRecognizer: UIPanGestureRecognizer?
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private var panRecognizer: PagerPanGestureRecognizerImpl?
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override init(frame: CGRect) {
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super.init(frame: frame)
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self.disablesInteractiveTransitionGestureRecognizer = true
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let panRecognizer = UIPanGestureRecognizer(target: self, action: #selector(self.panGesture(_:)))
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let panRecognizer = PagerPanGestureRecognizerImpl(target: self, action: #selector(self.panGesture(_:)))
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self.panRecognizer = panRecognizer
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self.addGestureRecognizer(panRecognizer)
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}
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@@ -207,6 +255,14 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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fatalError("init(coder:) has not been implemented")
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}
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public func matches(tag: Any) -> Bool {
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if tag is PagerComponentViewTag {
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return true
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}
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return false
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}
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@objc private func panGesture(_ recognizer: UIPanGestureRecognizer) {
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switch recognizer.state {
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case .began:
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@@ -252,7 +308,7 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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}
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}
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func update(component: PagerComponent<ChildEnvironmentType>, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> CGSize {
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func update(component: PagerComponent<ChildEnvironmentType, TopPanelEnvironment>, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> CGSize {
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self.component = component
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self.state = state
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@@ -288,22 +344,22 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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var contentInsets = component.contentInsets
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let scrollingPanelOffsetToClosestEdge: CGFloat
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var scrollingPanelOffsetFraction: CGFloat
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if let centralId = centralId, let centralContentView = self.contentViews[centralId] {
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scrollingPanelOffsetToClosestEdge = centralContentView.scrollingPanelOffsetToClosestEdge
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scrollingPanelOffsetFraction = centralContentView.scrollingPanelOffsetFraction
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} else {
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scrollingPanelOffsetToClosestEdge = 0.0
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scrollingPanelOffsetFraction = 0.0
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}
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var topPanelHeight: CGFloat = 0.0
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if let topPanel = component.topPanel {
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let topPanelView: ComponentHostView<PagerComponentPanelEnvironment>
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let topPanelView: ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>
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var topPanelTransition = transition
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if let current = self.topPanelView {
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topPanelView = current
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} else {
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topPanelTransition = .immediate
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topPanelView = ComponentHostView<PagerComponentPanelEnvironment>()
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topPanelView = ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>()
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topPanelView.clipsToBounds = true
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self.topPanelView = topPanelView
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}
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@@ -321,20 +377,38 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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contentOffset: 0.0,
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contentTopPanels: component.contentTopPanels,
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contentIcons: [],
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contentAccessoryLeftButtons: [],
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contentAccessoryRightButtons: [],
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activeContentId: centralId,
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navigateToContentId: navigateToContentId
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navigateToContentId: navigateToContentId,
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visibilityFractionUpdated: self.topPanelVisibilityFractionUpdated
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)
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},
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containerSize: availableSize
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)
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let topPanelOffset = max(0.0, min(topPanelSize.height, scrollingPanelOffsetToClosestEdge))
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self.topPanelHeight = topPanelSize.height
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var topPanelOffset = topPanelSize.height * scrollingPanelOffsetFraction
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var topPanelVisibilityFraction: CGFloat = 1.0 - scrollingPanelOffsetFraction
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if component.hidePanels {
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topPanelVisibilityFraction = 0.0
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}
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self.topPanelVisibilityFractionUpdated.invoke((topPanelVisibilityFraction, topPanelTransition))
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topPanelHeight = max(0.0, topPanelSize.height - topPanelOffset)
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if component.hidePanels {
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topPanelOffset = topPanelSize.height
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}
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if component.externalTopPanelContainer != nil {
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let visibleTopPanelHeight = max(0.0, topPanelSize.height - topPanelOffset)
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var visibleTopPanelHeight = max(0.0, topPanelSize.height - topPanelOffset)
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if component.hidePanels {
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visibleTopPanelHeight = 0.0
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}
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transition.setFrame(view: topPanelView, frame: CGRect(origin: CGPoint(), size: CGSize(width: topPanelSize.width, height: visibleTopPanelHeight)))
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} else {
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transition.setFrame(view: topPanelView, frame: CGRect(origin: CGPoint(x: 0.0, y: -topPanelOffset), size: topPanelSize))
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@@ -342,22 +416,24 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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contentInsets.top += topPanelSize.height
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} else {
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if let bottomPanelView = self.bottomPanelView {
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self.bottomPanelView = nil
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if let topPanelView = self.topPanelView {
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self.topPanelView = nil
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bottomPanelView.removeFromSuperview()
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topPanelView.removeFromSuperview()
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}
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self.topPanelHeight = 0.0
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}
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var bottomPanelOffset: CGFloat = 0.0
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if let bottomPanel = component.bottomPanel {
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let bottomPanelView: ComponentHostView<PagerComponentPanelEnvironment>
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let bottomPanelView: ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>
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var bottomPanelTransition = transition
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if let current = self.bottomPanelView {
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bottomPanelView = current
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} else {
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bottomPanelTransition = .immediate
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bottomPanelView = ComponentHostView<PagerComponentPanelEnvironment>()
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bottomPanelView = ComponentHostView<PagerComponentPanelEnvironment<TopPanelEnvironment>>()
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self.bottomPanelView = bottomPanelView
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self.addSubview(bottomPanelView)
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}
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@@ -365,19 +441,26 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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transition: bottomPanelTransition,
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component: bottomPanel,
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environment: {
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PagerComponentPanelEnvironment(
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PagerComponentPanelEnvironment<TopPanelEnvironment>(
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contentOffset: 0.0,
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contentTopPanels: [],
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contentIcons: component.contentIcons,
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contentAccessoryLeftButtons: component.contentAccessoryLeftButtons,
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contentAccessoryRightButtons: component.contentAccessoryRightButtons,
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activeContentId: centralId,
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navigateToContentId: navigateToContentId
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navigateToContentId: navigateToContentId,
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visibilityFractionUpdated: self.bottomPanelVisibilityFractionUpdated
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)
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},
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containerSize: availableSize
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)
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bottomPanelOffset = max(0.0, min(bottomPanelSize.height, scrollingPanelOffsetToClosestEdge))
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self.bottomPanelHeight = bottomPanelSize.height
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bottomPanelOffset = bottomPanelSize.height * scrollingPanelOffsetFraction
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if component.hidePanels {
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bottomPanelOffset = bottomPanelSize.height
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}
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transition.setFrame(view: bottomPanelView, frame: CGRect(origin: CGPoint(x: 0.0, y: availableSize.height - bottomPanelSize.height + bottomPanelOffset), size: bottomPanelSize))
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@@ -388,8 +471,12 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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bottomPanelView.removeFromSuperview()
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}
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self.bottomPanelHeight = 0.0
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}
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let effectiveTopPanelHeight: CGFloat = component.hidePanels ? 0.0 : topPanelHeight
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if let contentBackground = component.contentBackground {
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let contentBackgroundView: ComponentHostView<Empty>
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var contentBackgroundTransition = transition
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@@ -405,9 +492,9 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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transition: contentBackgroundTransition,
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component: contentBackground,
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environment: {},
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containerSize: CGSize(width: availableSize.width, height: availableSize.height - topPanelHeight - contentInsets.bottom + bottomPanelOffset)
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containerSize: CGSize(width: availableSize.width, height: availableSize.height - effectiveTopPanelHeight - contentInsets.bottom + bottomPanelOffset)
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)
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contentBackgroundTransition.setFrame(view: contentBackgroundView, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelHeight), size: contentBackgroundSize))
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contentBackgroundTransition.setFrame(view: contentBackgroundView, frame: CGRect(origin: CGPoint(x: 0.0, y: effectiveTopPanelHeight), size: contentBackgroundSize))
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} else {
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if let contentBackgroundView = self.contentBackgroundView {
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self.contentBackgroundView = nil
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@@ -558,13 +645,44 @@ public final class PagerComponent<ChildEnvironmentType: Equatable>: Component {
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return
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||||
}
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||||
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||||
if let absoluteOffsetToClosestEdge = update.absoluteOffsetToClosestEdge {
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contentView.scrollingPanelOffsetToClosestEdge = absoluteOffsetToClosestEdge
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} else {
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contentView.scrollingPanelOffsetToClosestEdge = 1000.0
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var offsetDelta: CGFloat?
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offsetDelta = (update.absoluteOffsetToTopEdge ?? 0.0) - contentView.scrollingPanelOffsetToTopEdge
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contentView.scrollingPanelOffsetToTopEdge = update.absoluteOffsetToTopEdge ?? 0.0
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contentView.scrollingPanelOffsetToBottomEdge = update.absoluteOffsetToBottomEdge ?? .greatestFiniteMagnitude
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if let topPanelHeight = self.topPanelHeight, let bottomPanelHeight = self.bottomPanelHeight {
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||||
var scrollingPanelOffsetFraction = contentView.scrollingPanelOffsetFraction
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||||
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||||
if topPanelHeight > 0.0, let offsetDelta = offsetDelta {
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let fractionDelta = -offsetDelta / topPanelHeight
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||||
scrollingPanelOffsetFraction = max(0.0, min(1.0, contentView.scrollingPanelOffsetFraction - fractionDelta))
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||||
}
|
||||
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||||
if bottomPanelHeight > 0.0 && contentView.scrollingPanelOffsetToBottomEdge < bottomPanelHeight {
|
||||
scrollingPanelOffsetFraction = min(scrollingPanelOffsetFraction, contentView.scrollingPanelOffsetToBottomEdge / bottomPanelHeight)
|
||||
} else if topPanelHeight > 0.0 && contentView.scrollingPanelOffsetToTopEdge < topPanelHeight {
|
||||
scrollingPanelOffsetFraction = min(scrollingPanelOffsetFraction, contentView.scrollingPanelOffsetToTopEdge / topPanelHeight)
|
||||
}
|
||||
|
||||
var transition = update.transition
|
||||
if !update.isInteracting {
|
||||
if scrollingPanelOffsetFraction < 0.5 {
|
||||
scrollingPanelOffsetFraction = 0.0
|
||||
} else {
|
||||
scrollingPanelOffsetFraction = 1.0
|
||||
}
|
||||
if case .none = transition.animation {
|
||||
} else {
|
||||
transition = transition.withAnimation(.curve(duration: 0.25, curve: .easeInOut))
|
||||
}
|
||||
}
|
||||
|
||||
if scrollingPanelOffsetFraction != contentView.scrollingPanelOffsetFraction {
|
||||
contentView.scrollingPanelOffsetFraction = scrollingPanelOffsetFraction
|
||||
self.state?.updated(transition: transition)
|
||||
}
|
||||
}
|
||||
|
||||
state?.updated(transition: update.transition)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user