Swiftgram/submodules/TelegramUI/Components/StorageUsageScreen/Sources/StorageUsagePanelContainerComponent.swift
2022-12-24 00:04:48 +04:00

755 lines
31 KiB
Swift

import Foundation
import UIKit
import Display
import ComponentFlow
import ComponentDisplayAdapters
import TelegramPresentationData
final class StorageUsagePanelContainerEnvironment: Equatable {
let isScrollable: Bool
init(
isScrollable: Bool
) {
self.isScrollable = isScrollable
}
static func ==(lhs: StorageUsagePanelContainerEnvironment, rhs: StorageUsagePanelContainerEnvironment) -> Bool {
if lhs.isScrollable != rhs.isScrollable {
return false
}
return true
}
}
final class StorageUsagePanelEnvironment: Equatable {
let theme: PresentationTheme
let strings: PresentationStrings
let dateTimeFormat: PresentationDateTimeFormat
let containerInsets: UIEdgeInsets
let isScrollable: Bool
init(
theme: PresentationTheme,
strings: PresentationStrings,
dateTimeFormat: PresentationDateTimeFormat,
containerInsets: UIEdgeInsets,
isScrollable: Bool
) {
self.theme = theme
self.strings = strings
self.dateTimeFormat = dateTimeFormat
self.containerInsets = containerInsets
self.isScrollable = isScrollable
}
static func ==(lhs: StorageUsagePanelEnvironment, rhs: StorageUsagePanelEnvironment) -> Bool {
if lhs.theme !== rhs.theme {
return false
}
if lhs.strings !== rhs.strings {
return false
}
if lhs.dateTimeFormat != rhs.dateTimeFormat {
return false
}
if lhs.containerInsets != rhs.containerInsets {
return false
}
if lhs.isScrollable != rhs.isScrollable {
return false
}
return true
}
}
private final class StorageUsageHeaderItemComponent: CombinedComponent {
let theme: PresentationTheme
let title: String
let activityFraction: CGFloat
init(
theme: PresentationTheme,
title: String,
activityFraction: CGFloat
) {
self.theme = theme
self.title = title
self.activityFraction = activityFraction
}
static func ==(lhs: StorageUsageHeaderItemComponent, rhs: StorageUsageHeaderItemComponent) -> Bool {
if lhs.theme !== rhs.theme {
return false
}
if lhs.title != rhs.title {
return false
}
if lhs.activityFraction != rhs.activityFraction {
return false
}
return true
}
static var body: Body {
let activeText = Child(Text.self)
let inactiveText = Child(Text.self)
return { context in
let activeText = activeText.update(
component: Text(text: context.component.title, font: Font.medium(14.0), color: context.component.theme.list.itemAccentColor),
availableSize: context.availableSize,
transition: .immediate
)
let inactiveText = inactiveText.update(
component: Text(text: context.component.title, font: Font.medium(14.0), color: context.component.theme.list.itemSecondaryTextColor),
availableSize: context.availableSize,
transition: .immediate
)
context.add(activeText
.position(CGPoint(x: activeText.size.width * 0.5, y: activeText.size.height * 0.5))
.opacity(context.component.activityFraction)
)
context.add(inactiveText
.position(CGPoint(x: inactiveText.size.width * 0.5, y: inactiveText.size.height * 0.5))
.opacity(1.0 - context.component.activityFraction)
)
return activeText.size
}
}
}
private final class StorageUsageHeaderComponent: Component {
struct Item: Equatable {
let id: AnyHashable
let title: String
init(
id: AnyHashable,
title: String
) {
self.id = id
self.title = title
}
}
let theme: PresentationTheme
let items: [Item]
let activeIndex: Int
let transitionFraction: CGFloat
let switchToPanel: (AnyHashable) -> Void
init(
theme: PresentationTheme,
items: [Item],
activeIndex: Int,
transitionFraction: CGFloat,
switchToPanel: @escaping (AnyHashable) -> Void
) {
self.theme = theme
self.items = items
self.activeIndex = activeIndex
self.transitionFraction = transitionFraction
self.switchToPanel = switchToPanel
}
static func ==(lhs: StorageUsageHeaderComponent, rhs: StorageUsageHeaderComponent) -> Bool {
if lhs.theme !== rhs.theme {
return false
}
if lhs.items != rhs.items {
return false
}
if lhs.activeIndex != rhs.activeIndex {
return false
}
if lhs.transitionFraction != rhs.transitionFraction {
return false
}
return true
}
class View: UIView {
private var component: StorageUsageHeaderComponent?
private var visibleItems: [AnyHashable: ComponentView<Empty>] = [:]
private let activeItemLayer: SimpleLayer
override init(frame: CGRect) {
self.activeItemLayer = SimpleLayer()
self.activeItemLayer.cornerRadius = 2.0
self.activeItemLayer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
super.init(frame: frame)
self.layer.addSublayer(self.activeItemLayer)
self.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tapGesture(_:))))
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@objc private func tapGesture(_ recognizer: UITapGestureRecognizer) {
if case .ended = recognizer.state {
let point = recognizer.location(in: self)
var closestId: (CGFloat, AnyHashable)?
if self.bounds.contains(point) {
for (id, item) in self.visibleItems {
if let itemView = item.view {
let distance: CGFloat = min(abs(point.x - itemView.frame.minX), abs(point.x - itemView.frame.maxX))
if let closestIdValue = closestId {
if distance < closestIdValue.0 {
closestId = (distance, id)
}
} else {
closestId = (distance, id)
}
}
}
}
if let closestId = closestId, let component = self.component {
component.switchToPanel(closestId.1)
}
}
}
func update(component: StorageUsageHeaderComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
let themeUpdated = self.component?.theme !== component.theme
self.component = component
var validIds = Set<AnyHashable>()
for i in 0 ..< component.items.count {
let item = component.items[i]
validIds.insert(item.id)
let itemView: ComponentView<Empty>
var itemTransition = transition
if let current = self.visibleItems[item.id] {
itemView = current
} else {
itemTransition = .immediate
itemView = ComponentView()
self.visibleItems[item.id] = itemView
}
let activeIndex: CGFloat = CGFloat(component.activeIndex) - component.transitionFraction
let activityDistance: CGFloat = abs(activeIndex - CGFloat(i))
let activityFraction: CGFloat
if activityDistance < 1.0 {
activityFraction = 1.0 - activityDistance
} else {
activityFraction = 0.0
}
let itemSize = itemView.update(
transition: itemTransition,
component: AnyComponent(StorageUsageHeaderItemComponent(
theme: component.theme,
title: item.title,
activityFraction: activityFraction
)),
environment: {},
containerSize: availableSize
)
let itemHorizontalSpace = availableSize.width / CGFloat(component.items.count)
let itemX: CGFloat
if component.items.count == 1 {
itemX = 37.0
} else {
itemX = itemHorizontalSpace * CGFloat(i) + floor((itemHorizontalSpace - itemSize.width) / 2.0)
}
let itemFrame = CGRect(origin: CGPoint(x: itemX, y: floor((availableSize.height - itemSize.height) / 2.0)), size: itemSize)
if let itemComponentView = itemView.view {
if itemComponentView.superview == nil {
self.addSubview(itemComponentView)
itemComponentView.isUserInteractionEnabled = false
}
itemTransition.setFrame(view: itemComponentView, frame: itemFrame)
}
}
if component.activeIndex < component.items.count {
let activeView = self.visibleItems[component.items[component.activeIndex].id]?.view
let nextIndex: Int
if component.transitionFraction > 0.0 {
nextIndex = max(0, component.activeIndex - 1)
} else {
nextIndex = min(component.items.count - 1, component.activeIndex + 1)
}
let nextView = self.visibleItems[component.items[nextIndex].id]?.view
if let activeView = activeView, let nextView = nextView {
let mergedFrame = activeView.frame.interpolate(to: nextView.frame, amount: abs(component.transitionFraction))
transition.setFrame(layer: self.activeItemLayer, frame: CGRect(origin: CGPoint(x: mergedFrame.minX, y: availableSize.height - 3.0), size: CGSize(width: mergedFrame.width, height: 3.0)))
}
}
if themeUpdated {
self.activeItemLayer.backgroundColor = component.theme.list.itemAccentColor.cgColor
}
var removeIds: [AnyHashable] = []
for (id, itemView) in self.visibleItems {
if !validIds.contains(id) {
removeIds.append(id)
if let itemComponentView = itemView.view {
itemComponentView.removeFromSuperview()
}
}
}
for id in removeIds {
self.visibleItems.removeValue(forKey: id)
}
return availableSize
}
}
func makeView() -> View {
return View(frame: CGRect())
}
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}
final class StorageUsagePanelContainerComponent: Component {
typealias EnvironmentType = StorageUsagePanelContainerEnvironment
struct Item: Equatable {
let id: AnyHashable
let title: String
let panel: AnyComponent<StorageUsagePanelEnvironment>
init(
id: AnyHashable,
title: String,
panel: AnyComponent<StorageUsagePanelEnvironment>
) {
self.id = id
self.title = title
self.panel = panel
}
}
let theme: PresentationTheme
let strings: PresentationStrings
let dateTimeFormat: PresentationDateTimeFormat
let insets: UIEdgeInsets
let items: [Item]
init(
theme: PresentationTheme,
strings: PresentationStrings,
dateTimeFormat: PresentationDateTimeFormat,
insets: UIEdgeInsets,
items: [Item]
) {
self.theme = theme
self.strings = strings
self.dateTimeFormat = dateTimeFormat
self.insets = insets
self.items = items
}
static func ==(lhs: StorageUsagePanelContainerComponent, rhs: StorageUsagePanelContainerComponent) -> Bool {
if lhs.theme !== rhs.theme {
return false
}
if lhs.strings !== rhs.strings {
return false
}
if lhs.dateTimeFormat != rhs.dateTimeFormat {
return false
}
if lhs.insets != rhs.insets {
return false
}
if lhs.items != rhs.items {
return false
}
return true
}
class View: UIView, UIGestureRecognizerDelegate {
private let topPanelBackgroundView: UIView
private let topPanelSeparatorLayer: SimpleLayer
private let header = ComponentView<Empty>()
private var component: StorageUsagePanelContainerComponent?
private weak var state: EmptyComponentState?
private let panelsBackgroundLayer: SimpleLayer
private var visiblePanels: [AnyHashable: ComponentView<StorageUsagePanelEnvironment>] = [:]
private var actualVisibleIds = Set<AnyHashable>()
private var currentId: AnyHashable?
private var transitionFraction: CGFloat = 0.0
private var animatingTransition: Bool = false
override init(frame: CGRect) {
self.topPanelBackgroundView = UIView()
self.topPanelSeparatorLayer = SimpleLayer()
self.panelsBackgroundLayer = SimpleLayer()
super.init(frame: frame)
self.layer.addSublayer(self.panelsBackgroundLayer)
self.addSubview(self.topPanelBackgroundView)
self.layer.addSublayer(self.topPanelSeparatorLayer)
let panRecognizer = InteractiveTransitionGestureRecognizer(target: self, action: #selector(self.panGesture(_:)), allowedDirections: { [weak self] point in
guard let self, let component = self.component, let currentId = self.currentId else {
return []
}
guard let index = component.items.firstIndex(where: { $0.id == currentId }) else {
return []
}
/*if strongSelf.tabsContainerNode.bounds.contains(strongSelf.view.convert(point, to: strongSelf.tabsContainerNode.view)) {
return []
}*/
if index == 0 {
return .left
}
return [.left, .right]
})
panRecognizer.delegate = self
panRecognizer.delaysTouchesBegan = false
panRecognizer.cancelsTouchesInView = true
self.addGestureRecognizer(panRecognizer)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return false
}
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldBeRequiredToFailBy otherGestureRecognizer: UIGestureRecognizer) -> Bool {
if let _ = otherGestureRecognizer as? InteractiveTransitionGestureRecognizer {
return false
}
if let _ = otherGestureRecognizer as? UIPanGestureRecognizer {
return true
}
return false
}
@objc private func panGesture(_ recognizer: UIPanGestureRecognizer) {
switch recognizer.state {
case .began:
func cancelContextGestures(view: UIView) {
if let gestureRecognizers = view.gestureRecognizers {
for gesture in gestureRecognizers {
if let gesture = gesture as? ContextGesture {
gesture.cancel()
}
}
}
for subview in view.subviews {
cancelContextGestures(view: subview)
}
}
cancelContextGestures(view: self)
//self.animatingTransition = true
case .changed:
guard let component = self.component, let currentId = self.currentId else {
return
}
guard let index = component.items.firstIndex(where: { $0.id == currentId }) else {
return
}
let translation = recognizer.translation(in: self)
var transitionFraction = translation.x / self.bounds.width
if index <= 0 {
transitionFraction = min(0.0, transitionFraction)
}
if index >= component.items.count - 1 {
transitionFraction = max(0.0, transitionFraction)
}
self.transitionFraction = transitionFraction
self.state?.updated(transition: .immediate)
// let nextKey = availablePanes[updatedIndex]
// print(transitionFraction)
//self.paneTransitionPromise.set(transitionFraction)
//self.update(size: size, sideInset: sideInset, bottomInset: bottomInset, visibleHeight: visibleHeight, expansionFraction: expansionFraction, presentationData: presentationData, data: data, transition: .immediate)
//self.currentPaneUpdated?(false)
case .cancelled, .ended:
guard let component = self.component, let currentId = self.currentId else {
return
}
guard let index = component.items.firstIndex(where: { $0.id == currentId }) else {
return
}
let translation = recognizer.translation(in: self)
let velocity = recognizer.velocity(in: self)
var directionIsToRight: Bool?
if abs(velocity.x) > 10.0 {
directionIsToRight = velocity.x < 0.0
} else {
if abs(translation.x) > self.bounds.width / 2.0 {
directionIsToRight = translation.x > self.bounds.width / 2.0
}
}
if let directionIsToRight = directionIsToRight {
var updatedIndex = index
if directionIsToRight {
updatedIndex = min(updatedIndex + 1, component.items.count - 1)
} else {
updatedIndex = max(updatedIndex - 1, 0)
}
self.currentId = component.items[updatedIndex].id
}
self.transitionFraction = 0.0
self.state?.updated(transition: Transition(animation: .curve(duration: 0.35, curve: .spring)))
self.animatingTransition = false
//self.currentPaneUpdated?(false)
//self.currentPaneStatusPromise.set(self.currentPane?.node.status ?? .single(nil))
default:
break
}
}
func update(component: StorageUsagePanelContainerComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<StorageUsagePanelContainerEnvironment>, transition: Transition) -> CGSize {
let environment = environment[StorageUsagePanelContainerEnvironment.self].value
let themeUpdated = self.component?.theme !== component.theme
self.component = component
self.state = state
if themeUpdated {
self.panelsBackgroundLayer.backgroundColor = component.theme.list.itemBlocksBackgroundColor.cgColor
self.topPanelSeparatorLayer.backgroundColor = component.theme.list.itemBlocksSeparatorColor.cgColor
}
let topPanelCoverHeight: CGFloat = 10.0
let topPanelFrame = CGRect(origin: CGPoint(x: 0.0, y: -topPanelCoverHeight), size: CGSize(width: availableSize.width, height: 44.0))
transition.setFrame(view: self.topPanelBackgroundView, frame: topPanelFrame)
let lockScrollingTransition: Transition
if themeUpdated {
lockScrollingTransition = transition
} else {
lockScrollingTransition = Transition(animation: .curve(duration: 0.2, curve: .easeInOut))
}
lockScrollingTransition.setBackgroundColor(view: self.topPanelBackgroundView, color: environment.isScrollable ? component.theme.rootController.navigationBar.blurredBackgroundColor : component.theme.list.itemBlocksBackgroundColor)
transition.setFrame(layer: self.panelsBackgroundLayer, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelFrame.maxY), size: CGSize(width: availableSize.width, height: availableSize.height - topPanelFrame.maxY)))
transition.setFrame(layer: self.topPanelSeparatorLayer, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelFrame.maxY), size: CGSize(width: availableSize.width, height: UIScreenPixel)))
if let currentIdValue = self.currentId, !component.items.contains(where: { $0.id == currentIdValue }) {
self.currentId = nil
}
if self.currentId == nil {
self.currentId = component.items.first?.id
}
var visibleIds = Set<AnyHashable>()
var currentIndex: Int?
if let currentId = self.currentId {
visibleIds.insert(currentId)
if let index = component.items.firstIndex(where: { $0.id == currentId }) {
currentIndex = index
if index != 0 {
visibleIds.insert(component.items[index - 1].id)
}
if index != component.items.count - 1 {
visibleIds.insert(component.items[index + 1].id)
}
}
}
let _ = self.header.update(
transition: transition,
component: AnyComponent(StorageUsageHeaderComponent(
theme: component.theme,
items: component.items.map { item -> StorageUsageHeaderComponent.Item in
return StorageUsageHeaderComponent.Item(
id: item.id,
title: item.title
)
},
activeIndex: currentIndex ?? 0,
transitionFraction: self.transitionFraction,
switchToPanel: { [weak self] id in
guard let self, let component = self.component else {
return
}
if component.items.contains(where: { $0.id == id }) {
self.currentId = id
self.state?.updated(transition: Transition(animation: .curve(duration: 0.35, curve: .spring)))
}
}
)),
environment: {},
containerSize: topPanelFrame.size
)
if let headerView = self.header.view {
if headerView.superview == nil {
self.addSubview(headerView)
}
transition.setFrame(view: headerView, frame: topPanelFrame)
}
let childEnvironment = StorageUsagePanelEnvironment(
theme: component.theme,
strings: component.strings,
dateTimeFormat: component.dateTimeFormat,
containerInsets: UIEdgeInsets(top: 0.0, left: component.insets.left, bottom: component.insets.bottom, right: component.insets.right),
isScrollable: environment.isScrollable
)
let centralPanelFrame = CGRect(origin: CGPoint(x: 0.0, y: topPanelFrame.maxY), size: CGSize(width: availableSize.width, height: availableSize.height - topPanelFrame.maxY))
if self.animatingTransition {
visibleIds = visibleIds.filter({ self.visiblePanels[$0] != nil })
}
self.actualVisibleIds = visibleIds
for (id, _) in self.visiblePanels {
visibleIds.insert(id)
}
var validIds = Set<AnyHashable>()
if let currentIndex {
var anyAnchorOffset: CGFloat = 0.0
for (id, panel) in self.visiblePanels {
guard let itemIndex = component.items.firstIndex(where: { $0.id == id }), let panelView = panel.view else {
continue
}
var itemFrame = centralPanelFrame.offsetBy(dx: self.transitionFraction * availableSize.width, dy: 0.0)
if itemIndex < currentIndex {
itemFrame.origin.x -= itemFrame.width
} else if itemIndex > currentIndex {
itemFrame.origin.x += itemFrame.width
}
anyAnchorOffset = itemFrame.minX - panelView.frame.minX
break
}
for id in visibleIds {
guard let itemIndex = component.items.firstIndex(where: { $0.id == id }) else {
continue
}
let panelItem = component.items[itemIndex]
var itemFrame = centralPanelFrame.offsetBy(dx: self.transitionFraction * availableSize.width, dy: 0.0)
if itemIndex < currentIndex {
itemFrame.origin.x -= itemFrame.width
} else if itemIndex > currentIndex {
itemFrame.origin.x += itemFrame.width
}
validIds.insert(panelItem.id)
let panel: ComponentView<StorageUsagePanelEnvironment>
var panelTransition = transition
var animateInIfNeeded = false
if let current = self.visiblePanels[panelItem.id] {
panel = current
if let panelView = panel.view, !panelView.bounds.isEmpty {
var wasHidden = false
if abs(panelView.frame.minX - availableSize.width) < .ulpOfOne || abs(panelView.frame.maxX - 0.0) < .ulpOfOne {
wasHidden = true
}
var isHidden = false
if abs(itemFrame.minX - availableSize.width) < .ulpOfOne || abs(itemFrame.maxX - 0.0) < .ulpOfOne {
isHidden = true
}
if wasHidden && isHidden {
panelTransition = .immediate
}
}
} else {
panelTransition = .immediate
animateInIfNeeded = true
panel = ComponentView()
self.visiblePanels[panelItem.id] = panel
}
let _ = panel.update(
transition: panelTransition,
component: panelItem.panel,
environment: {
childEnvironment
},
containerSize: centralPanelFrame.size
)
if let panelView = panel.view {
if panelView.superview == nil {
self.insertSubview(panelView, belowSubview: self.topPanelBackgroundView)
}
panelTransition.setFrame(view: panelView, frame: itemFrame, completion: { [weak self] _ in
guard let self else {
return
}
if !self.actualVisibleIds.contains(id) {
if let panel = self.visiblePanels[id] {
self.visiblePanels.removeValue(forKey: id)
panel.view?.removeFromSuperview()
}
}
})
if animateInIfNeeded && anyAnchorOffset != 0.0 {
transition.animatePosition(view: panelView, from: CGPoint(x: -anyAnchorOffset, y: 0.0), to: CGPoint(), additive: true)
}
}
}
}
var removeIds: [AnyHashable] = []
for (id, panel) in self.visiblePanels {
if !validIds.contains(id) {
removeIds.append(id)
if let panelView = panel.view {
panelView.removeFromSuperview()
}
}
}
for id in removeIds {
self.visiblePanels.removeValue(forKey: id)
}
return availableSize
}
}
func makeView() -> View {
return View(frame: CGRect())
}
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<StorageUsagePanelContainerEnvironment>, transition: Transition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}