Swiftgram/submodules/TelegramUI/Components/EntityKeyboard/Sources/EmojiPagerContentComponent.swift
2022-07-02 00:04:43 +02:00

1009 lines
49 KiB
Swift

import Foundation
import UIKit
import Display
import ComponentFlow
import PagerComponent
import TelegramPresentationData
import TelegramCore
import Postbox
import MultiAnimationRenderer
import AnimationCache
import AccountContext
import LottieAnimationCache
import VideoAnimationCache
import AnimatedStickerNode
import TelegramAnimatedStickerNode
import SwiftSignalKit
import ShimmerEffect
import PagerComponent
import StickerResources
import AppBundle
import ContextUI
import PremiumUI
import StickerPackPreviewUI
import UndoUI
private let premiumBadgeIcon: UIImage? = generateTintedImage(image: UIImage(bundleImageName: "Chat List/PeerPremiumIcon"), color: .white)
private final class PremiumBadgeView: UIView {
private let iconLayer: SimpleLayer
init() {
self.iconLayer = SimpleLayer()
self.iconLayer.contents = premiumBadgeIcon?.cgImage
super.init(frame: CGRect())
self.layer.addSublayer(self.iconLayer)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func update(backgroundColor: UIColor, size: CGSize) {
//self.updateColor(color: backgroundColor, transition: .immediate)
self.backgroundColor = backgroundColor
self.layer.cornerRadius = size.width / 2.0
self.iconLayer.frame = CGRect(origin: CGPoint(), size: size).insetBy(dx: 2.0, dy: 2.0)
//super.update(size: size, cornerRadius: min(size.width / 2.0, size.height / 2.0), transition: .immediate)
}
}
public final class EmojiPagerContentComponent: Component {
public typealias EnvironmentType = (EntityKeyboardChildEnvironment, PagerComponentChildEnvironment)
public final class InputInteraction {
public let performItemAction: (Item, UIView, CGRect, CALayer) -> Void
public let deleteBackwards: () -> Void
public let openStickerSettings: () -> Void
public let pushController: (ViewController) -> Void
public let presentController: (ViewController) -> Void
public let presentGlobalOverlayController: (ViewController) -> Void
public let navigationController: () -> NavigationController?
public let sendSticker: ((FileMediaReference, Bool, Bool, String?, Bool, UIView, CGRect, CALayer?) -> Void)?
public let chatPeerId: PeerId?
public init(
performItemAction: @escaping (Item, UIView, CGRect, CALayer) -> Void,
deleteBackwards: @escaping () -> Void,
openStickerSettings: @escaping () -> Void,
pushController: @escaping (ViewController) -> Void,
presentController: @escaping (ViewController) -> Void,
presentGlobalOverlayController: @escaping (ViewController) -> Void,
navigationController: @escaping () -> NavigationController?,
sendSticker: ((FileMediaReference, Bool, Bool, String?, Bool, UIView, CGRect, CALayer?) -> Void)?,
chatPeerId: PeerId?
) {
self.performItemAction = performItemAction
self.deleteBackwards = deleteBackwards
self.openStickerSettings = openStickerSettings
self.pushController = pushController
self.presentController = presentController
self.presentGlobalOverlayController = presentGlobalOverlayController
self.navigationController = navigationController
self.sendSticker = sendSticker
self.chatPeerId = chatPeerId
}
}
public final class Item: Equatable {
public let emoji: String
public let file: TelegramMediaFile
public let stickerPackItem: StickerPackItem?
public init(emoji: String, file: TelegramMediaFile, stickerPackItem: StickerPackItem?) {
self.emoji = emoji
self.file = file
self.stickerPackItem = stickerPackItem
}
public static func ==(lhs: Item, rhs: Item) -> Bool {
if lhs === rhs {
return true
}
if lhs.emoji != rhs.emoji {
return false
}
if lhs.file.fileId != rhs.file.fileId {
return false
}
if lhs.stickerPackItem?.file.fileId != rhs.stickerPackItem?.file.fileId {
return false
}
return true
}
}
public final class ItemGroup: Equatable {
public let id: AnyHashable
public let title: String?
public let items: [Item]
public init(
id: AnyHashable,
title: String?,
items: [Item]
) {
self.id = id
self.title = title
self.items = items
}
public static func ==(lhs: ItemGroup, rhs: ItemGroup) -> Bool {
if lhs.id != rhs.id {
return false
}
if lhs.title != rhs.title {
return false
}
if lhs.items != rhs.items {
return false
}
return true
}
}
public enum ItemLayoutType {
case compact
case detailed
}
public let id: AnyHashable
public let context: AccountContext
public let animationCache: AnimationCache
public let animationRenderer: MultiAnimationRenderer
public let inputInteraction: InputInteraction
public let itemGroups: [ItemGroup]
public let itemLayoutType: ItemLayoutType
public init(
id: AnyHashable,
context: AccountContext,
animationCache: AnimationCache,
animationRenderer: MultiAnimationRenderer,
inputInteraction: InputInteraction,
itemGroups: [ItemGroup],
itemLayoutType: ItemLayoutType
) {
self.id = id
self.context = context
self.animationCache = animationCache
self.animationRenderer = animationRenderer
self.inputInteraction = inputInteraction
self.itemGroups = itemGroups
self.itemLayoutType = itemLayoutType
}
public static func ==(lhs: EmojiPagerContentComponent, rhs: EmojiPagerContentComponent) -> Bool {
if lhs.id != rhs.id {
return false
}
if lhs.context !== rhs.context {
return false
}
if lhs.animationCache !== rhs.animationCache {
return false
}
if lhs.animationRenderer !== rhs.animationRenderer {
return false
}
if lhs.inputInteraction !== rhs.inputInteraction {
return false
}
if lhs.itemGroups != rhs.itemGroups {
return false
}
if lhs.itemLayoutType != rhs.itemLayoutType {
return false
}
return true
}
public final class Tag {
public let id: AnyHashable
public init(id: AnyHashable) {
self.id = id
}
}
public final class View: UIView, UIScrollViewDelegate, ComponentTaggedView {
private struct ItemGroupDescription: Equatable {
let id: AnyHashable
let hasTitle: Bool
let itemCount: Int
}
private struct ItemGroupLayout: Equatable {
let frame: CGRect
let id: AnyHashable
let itemTopOffset: CGFloat
let itemCount: Int
}
private struct ItemLayout: Equatable {
var width: CGFloat
var containerInsets: UIEdgeInsets
var itemGroupLayouts: [ItemGroupLayout]
var itemSize: CGFloat
var horizontalSpacing: CGFloat
var verticalSpacing: CGFloat
var verticalGroupSpacing: CGFloat
var itemsPerRow: Int
var contentSize: CGSize
init(width: CGFloat, containerInsets: UIEdgeInsets, itemGroups: [ItemGroupDescription], itemLayoutType: ItemLayoutType) {
self.width = width
self.containerInsets = containerInsets
let minSpacing: CGFloat
switch itemLayoutType {
case .compact:
self.itemSize = 36.0
self.verticalSpacing = 9.0
minSpacing = 9.0
case .detailed:
self.itemSize = 76.0
self.verticalSpacing = 2.0
minSpacing = 2.0
}
self.verticalGroupSpacing = 18.0
let itemHorizontalSpace = width - self.containerInsets.left - self.containerInsets.right
self.itemsPerRow = Int((itemHorizontalSpace + minSpacing) / (self.itemSize + minSpacing))
self.horizontalSpacing = floor((itemHorizontalSpace - self.itemSize * CGFloat(self.itemsPerRow)) / CGFloat(self.itemsPerRow - 1))
var verticalGroupOrigin: CGFloat = self.containerInsets.top
self.itemGroupLayouts = []
for itemGroup in itemGroups {
var itemTopOffset: CGFloat = 0.0
if itemGroup.hasTitle {
itemTopOffset += 24.0
}
let numRowsInGroup = (itemGroup.itemCount + (self.itemsPerRow - 1)) / self.itemsPerRow
let groupContentSize = CGSize(width: width, height: itemTopOffset + CGFloat(numRowsInGroup) * self.itemSize + CGFloat(max(0, numRowsInGroup - 1)) * self.verticalSpacing)
self.itemGroupLayouts.append(ItemGroupLayout(
frame: CGRect(origin: CGPoint(x: 0.0, y: verticalGroupOrigin), size: groupContentSize),
id: itemGroup.id,
itemTopOffset: itemTopOffset,
itemCount: itemGroup.itemCount
))
verticalGroupOrigin += groupContentSize.height + self.verticalGroupSpacing
}
verticalGroupOrigin += self.containerInsets.bottom
self.contentSize = CGSize(width: width, height: verticalGroupOrigin)
}
func frame(groupIndex: Int, itemIndex: Int) -> CGRect {
let groupLayout = self.itemGroupLayouts[groupIndex]
let row = itemIndex / self.itemsPerRow
let column = itemIndex % self.itemsPerRow
return CGRect(
origin: CGPoint(
x: self.containerInsets.left + CGFloat(column) * (self.itemSize + self.horizontalSpacing),
y: groupLayout.frame.minY + groupLayout.itemTopOffset + CGFloat(row) * (self.itemSize + self.verticalSpacing)
),
size: CGSize(
width: self.itemSize,
height: self.itemSize
)
)
}
func visibleItems(for rect: CGRect) -> [(id: AnyHashable, groupIndex: Int, groupItems: Range<Int>)] {
var result: [(id: AnyHashable, groupIndex: Int, groupItems: Range<Int>)] = []
for groupIndex in 0 ..< self.itemGroupLayouts.count {
let group = self.itemGroupLayouts[groupIndex]
if !rect.intersects(group.frame) {
continue
}
let offsetRect = rect.offsetBy(dx: -self.containerInsets.left, dy: -group.frame.minY - group.itemTopOffset)
var minVisibleRow = Int(floor((offsetRect.minY - self.verticalSpacing) / (self.itemSize + self.verticalSpacing)))
minVisibleRow = max(0, minVisibleRow)
let maxVisibleRow = Int(ceil((offsetRect.maxY - self.verticalSpacing) / (self.itemSize + self.verticalSpacing)))
let minVisibleIndex = minVisibleRow * self.itemsPerRow
let maxVisibleIndex = min(group.itemCount - 1, (maxVisibleRow + 1) * self.itemsPerRow - 1)
if maxVisibleIndex >= minVisibleIndex {
result.append((
id: group.id,
groupIndex: groupIndex,
groupItems: minVisibleIndex ..< (maxVisibleIndex + 1)
))
}
}
return result
}
}
final class ItemLayer: MultiAnimationRenderTarget {
struct Key: Hashable {
var groupId: AnyHashable
var fileId: MediaId
}
let item: Item
private let file: TelegramMediaFile
private let placeholderColor: UIColor
private let size: CGSize
private var disposable: Disposable?
private var fetchDisposable: Disposable?
private var premiumBadgeView: PremiumBadgeView?
private var isInHierarchyValue: Bool = false
public var isVisibleForAnimations: Bool = false {
didSet {
if self.isVisibleForAnimations != oldValue {
self.updatePlayback()
}
}
}
private var displayPlaceholder: Bool = false
init(
item: Item,
context: AccountContext,
groupId: String,
attemptSynchronousLoad: Bool,
file: TelegramMediaFile,
cache: AnimationCache,
renderer: MultiAnimationRenderer,
placeholderColor: UIColor,
blurredBadgeColor: UIColor,
displayPremiumBadgeIfAvailable: Bool,
pointSize: CGSize
) {
self.item = item
self.file = file
self.placeholderColor = placeholderColor
let scale = min(2.0, UIScreenScale)
let pixelSize = CGSize(width: pointSize.width * scale, height: pointSize.height * scale)
self.size = CGSize(width: pixelSize.width / scale, height: pixelSize.height / scale)
super.init()
if file.isAnimatedSticker || file.isVideoSticker {
let loadAnimation: () -> Void = { [weak self] in
guard let strongSelf = self else {
return
}
strongSelf.disposable = renderer.add(groupId: groupId, target: strongSelf, cache: cache, itemId: file.resource.id.stringRepresentation, size: pixelSize, fetch: { size, writer in
let source = AnimatedStickerResourceSource(account: context.account, resource: file.resource, fitzModifier: nil, isVideo: false)
let dataDisposable = source.directDataPath(attemptSynchronously: false).start(next: { result in
guard let result = result else {
return
}
if file.isVideoSticker {
cacheVideoAnimation(path: result, width: Int(size.width), height: Int(size.height), writer: writer)
} else {
guard let data = try? Data(contentsOf: URL(fileURLWithPath: result)) else {
writer.finish()
return
}
cacheLottieAnimation(data: data, width: Int(size.width), height: Int(size.height), writer: writer)
}
})
let fetchDisposable = freeMediaFileResourceInteractiveFetched(account: context.account, fileReference: stickerPackFileReference(file), resource: file.resource).start()
return ActionDisposable {
dataDisposable.dispose()
fetchDisposable.dispose()
}
})
}
if attemptSynchronousLoad {
if !renderer.loadFirstFrameSynchronously(groupId: groupId, target: self, cache: cache, itemId: file.resource.id.stringRepresentation, size: pixelSize) {
self.displayPlaceholder = true
if let image = generateStickerPlaceholderImage(data: file.immediateThumbnailData, size: self.size, imageSize: file.dimensions?.cgSize ?? CGSize(width: 512.0, height: 512.0), backgroundColor: nil, foregroundColor: placeholderColor) {
self.contents = image.cgImage
}
}
loadAnimation()
} else {
let _ = renderer.loadFirstFrame(groupId: groupId, target: self, cache: cache, itemId: file.resource.id.stringRepresentation, size: pixelSize, completion: { _ in
loadAnimation()
})
}
} else if let dimensions = file.dimensions {
let isSmall: Bool = false
self.disposable = (chatMessageSticker(account: context.account, file: file, small: isSmall, synchronousLoad: attemptSynchronousLoad)).start(next: { [weak self] resultTransform in
let boundingSize = CGSize(width: 93.0, height: 93.0)
let imageSize = dimensions.cgSize.aspectFilled(boundingSize)
if let image = resultTransform(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: boundingSize, intrinsicInsets: UIEdgeInsets(), resizeMode: .fill(.clear)))?.generateImage() {
Queue.mainQueue().async {
guard let strongSelf = self else {
return
}
strongSelf.contents = image.cgImage
}
}
})
self.fetchDisposable = freeMediaFileResourceInteractiveFetched(account: context.account, fileReference: stickerPackFileReference(file), resource: chatMessageStickerResource(file: file, small: isSmall)).start()
}
if displayPremiumBadgeIfAvailable && file.isPremiumSticker {
let premiumBadgeView = PremiumBadgeView()
let badgeSize = CGSize(width: 20.0, height: 20.0)
premiumBadgeView.frame = CGRect(origin: CGPoint(x: pointSize.width - badgeSize.width, y: pointSize.height - badgeSize.height), size: badgeSize)
premiumBadgeView.update(backgroundColor: blurredBadgeColor, size: badgeSize)
self.premiumBadgeView = premiumBadgeView
self.addSublayer(premiumBadgeView.layer)
}
}
override public init(layer: Any) {
preconditionFailure()
}
required public init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.disposable?.dispose()
self.fetchDisposable?.dispose()
}
override public func action(forKey event: String) -> CAAction? {
if event == kCAOnOrderIn {
self.isInHierarchyValue = true
} else if event == kCAOnOrderOut {
self.isInHierarchyValue = false
}
self.updatePlayback()
return nullAction
}
private func updatePlayback() {
let shouldBePlaying = self.isInHierarchyValue && self.isVisibleForAnimations
self.shouldBeAnimating = shouldBePlaying
}
override func updateDisplayPlaceholder(displayPlaceholder: Bool) {
if self.displayPlaceholder == displayPlaceholder {
return
}
self.displayPlaceholder = displayPlaceholder
let file = self.file
let size = self.size
let placeholderColor = self.placeholderColor
Queue.concurrentDefaultQueue().async { [weak self] in
if let image = generateStickerPlaceholderImage(data: file.immediateThumbnailData, size: size, imageSize: file.dimensions?.cgSize ?? CGSize(width: 512.0, height: 512.0), backgroundColor: nil, foregroundColor: placeholderColor) {
Queue.mainQueue().async {
guard let strongSelf = self else {
return
}
if strongSelf.displayPlaceholder {
strongSelf.contents = image.cgImage
}
}
}
}
}
}
private final class ContentScrollView: UIScrollView, PagerExpandableScrollView {
}
private let scrollView: ContentScrollView
private var visibleItemLayers: [ItemLayer.Key: ItemLayer] = [:]
private var visibleGroupHeaders: [AnyHashable: ComponentView<Empty>] = [:]
private var ignoreScrolling: Bool = false
private var component: EmojiPagerContentComponent?
private var pagerEnvironment: PagerComponentChildEnvironment?
private var theme: PresentationTheme?
private var activeItemUpdated: ActionSlot<(AnyHashable, Transition)>?
private var itemLayout: ItemLayout?
private var currentContextGestureItemKey: ItemLayer.Key?
private weak var peekController: PeekController?
override init(frame: CGRect) {
self.scrollView = ContentScrollView()
super.init(frame: frame)
self.scrollView.delaysContentTouches = false
if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
self.scrollView.contentInsetAdjustmentBehavior = .never
}
if #available(iOS 13.0, *) {
self.scrollView.automaticallyAdjustsScrollIndicatorInsets = false
}
self.scrollView.showsVerticalScrollIndicator = true
self.scrollView.showsHorizontalScrollIndicator = false
self.scrollView.delegate = self
self.addSubview(self.scrollView)
self.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tapGesture(_:))))
/*self.useSublayerTransformForActivation = false
self.shouldBegin = { [weak self] point in
guard let strongSelf = self else {
return false
}
if let item = strongSelf.item(atPoint: point), let itemLayer = strongSelf.visibleItemLayers[item.1] {
strongSelf.currentContextGestureItemKey = item.1
strongSelf.targetLayerForActivationProgress = itemLayer
return true
} else {
return false
}
}
self.contextGesture?.cancelGesturesOnActivation = { [weak self] in
guard let strongSelf = self else {
return
}
strongSelf.scrollView.panGestureRecognizer.state = .failed
}*/
let peekRecognizer = PeekControllerGestureRecognizer(contentAtPoint: { [weak self] point in
guard let strongSelf = self, let component = strongSelf.component else {
return nil
}
guard let item = strongSelf.item(atPoint: point), let itemLayer = strongSelf.visibleItemLayers[item.1] else {
return nil
}
let context = component.context
let accountPeerId = context.account.peerId
return combineLatest(
context.engine.stickers.isStickerSaved(id: item.0.file.fileId),
context.engine.data.get(TelegramEngine.EngineData.Item.Peer.Peer(id: accountPeerId)) |> map { peer -> Bool in
var hasPremium = false
if case let .user(user) = peer, user.isPremium {
hasPremium = true
}
return hasPremium
}
)
|> deliverOnMainQueue
|> map { [weak itemLayer] isStarred, hasPremium -> (UIView, CGRect, PeekControllerContent)? in
guard let strongSelf = self, let component = strongSelf.component, let itemLayer = itemLayer else {
return nil
}
var menuItems: [ContextMenuItem] = []
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
if let sendSticker = component.inputInteraction.sendSticker, let chatPeerId = component.inputInteraction.chatPeerId {
if chatPeerId != component.context.account.peerId && chatPeerId.namespace != Namespaces.Peer.SecretChat {
menuItems.append(.action(ContextMenuActionItem(text: presentationData.strings.Conversation_SendMessage_SendSilently, icon: { theme in
return generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Menu/SilentIcon"), color: theme.actionSheet.primaryTextColor)
}, action: { _, f in
if let strongSelf = self, let peekController = strongSelf.peekController {
if let animationNode = (peekController.contentNode as? StickerPreviewPeekContentNode)?.animationNode {
sendSticker(.standalone(media: item.0.file), true, false, nil, false, animationNode.view, animationNode.bounds, nil)
} else if let imageNode = (peekController.contentNode as? StickerPreviewPeekContentNode)?.imageNode {
sendSticker(.standalone(media: item.0.file), true, false, nil, false, imageNode.view, imageNode.bounds, nil)
}
}
f(.default)
})))
}
menuItems.append(.action(ContextMenuActionItem(text: presentationData.strings.Conversation_SendMessage_ScheduleMessage, icon: { theme in
return generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Menu/ScheduleIcon"), color: theme.actionSheet.primaryTextColor)
}, action: { _, f in
if let strongSelf = self, let peekController = strongSelf.peekController {
if let animationNode = (peekController.contentNode as? StickerPreviewPeekContentNode)?.animationNode {
let _ = sendSticker(.standalone(media: item.0.file), false, true, nil, false, animationNode.view, animationNode.bounds, nil)
} else if let imageNode = (peekController.contentNode as? StickerPreviewPeekContentNode)?.imageNode {
let _ = sendSticker(.standalone(media: item.0.file), false, true, nil, false, imageNode.view, imageNode.bounds, nil)
}
}
f(.default)
})))
}
menuItems.append(
.action(ContextMenuActionItem(text: isStarred ? presentationData.strings.Stickers_RemoveFromFavorites : presentationData.strings.Stickers_AddToFavorites, icon: { theme in generateTintedImage(image: isStarred ? UIImage(bundleImageName: "Chat/Context Menu/Unfave") : UIImage(bundleImageName: "Chat/Context Menu/Fave"), color: theme.contextMenu.primaryColor) }, action: { _, f in
f(.default)
let presentationData = context.sharedContext.currentPresentationData.with { $0 }
let _ = (context.engine.stickers.toggleStickerSaved(file: item.0.file, saved: !isStarred)
|> deliverOnMainQueue).start(next: { result in
switch result {
case .generic:
component.inputInteraction.presentGlobalOverlayController(UndoOverlayController(presentationData: presentationData, content: .sticker(context: context, file: item.0.file, title: nil, text: !isStarred ? presentationData.strings.Conversation_StickerAddedToFavorites : presentationData.strings.Conversation_StickerRemovedFromFavorites, undoText: nil), elevatedLayout: false, action: { _ in return false }))
case let .limitExceeded(limit, premiumLimit):
let premiumConfiguration = PremiumConfiguration.with(appConfiguration: context.currentAppConfiguration.with { $0 })
let text: String
if limit == premiumLimit || premiumConfiguration.isPremiumDisabled {
text = presentationData.strings.Premium_MaxFavedStickersFinalText
} else {
text = presentationData.strings.Premium_MaxFavedStickersText("\(premiumLimit)").string
}
component.inputInteraction.presentGlobalOverlayController(UndoOverlayController(presentationData: presentationData, content: .sticker(context: context, file: item.0.file, title: presentationData.strings.Premium_MaxFavedStickersTitle("\(limit)").string, text: text, undoText: nil), elevatedLayout: false, action: { action in
if case .info = action {
let controller = PremiumIntroScreen(context: context, source: .savedStickers)
component.inputInteraction.pushController(controller)
return true
}
return false
}))
}
})
}))
)
menuItems.append(
.action(ContextMenuActionItem(text: presentationData.strings.StickerPack_ViewPack, icon: { theme in
return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Sticker"), color: theme.actionSheet.primaryTextColor)
}, action: { _, f in
f(.default)
loop: for attribute in item.0.file.attributes {
switch attribute {
case let .Sticker(_, packReference, _):
if let packReference = packReference {
let controller = StickerPackScreen(context: context, updatedPresentationData: nil, mainStickerPack: packReference, stickerPacks: [packReference], parentNavigationController: component.inputInteraction.navigationController(), sendSticker: { file, sourceView, sourceRect in
//return component.inputInteraction.sendSticker(file, false, false, nil, false, sourceNode, sourceRect, nil)
return false
})
component.inputInteraction.navigationController()?.view.window?.endEditing(true)
component.inputInteraction.presentController(controller)
}
break loop
default:
break
}
}
}))
)
return (strongSelf, strongSelf.scrollView.convert(itemLayer.frame, to: strongSelf), StickerPreviewPeekContent(account: context.account, theme: presentationData.theme, strings: presentationData.strings, item: .pack(item.0.file), isLocked: item.0.file.isPremiumSticker && !hasPremium, menu: menuItems, openPremiumIntro: {
let controller = PremiumIntroScreen(context: context, source: .stickers)
component.inputInteraction.pushController(controller)
}))
}
}, present: { [weak self] content, sourceView, sourceRect in
guard let strongSelf = self, let component = strongSelf.component else {
return nil
}
let presentationData = component.context.sharedContext.currentPresentationData.with { $0 }
let controller = PeekController(presentationData: presentationData, content: content, sourceView: {
return (sourceView, sourceRect)
})
/*controller.visibilityUpdated = { [weak self] visible in
self?.previewingStickersPromise.set(visible)
self?.requestDisableStickerAnimations?(visible)
self?.simulateUpdateLayout(isVisible: !visible)
}*/
strongSelf.peekController = controller
component.inputInteraction.presentGlobalOverlayController(controller)
return controller
}, updateContent: { [weak self] content in
guard let strongSelf = self else {
return
}
let _ = strongSelf
/*var item: StickerPreviewPeekItem?
if let content = content as? StickerPreviewPeekContent {
item = content.item
}
strongSelf.updatePreviewingItem(item: item, animated: true)*/
})
self.addGestureRecognizer(peekRecognizer)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
public func matches(tag: Any) -> Bool {
if let tag = tag as? Tag {
if tag.id == self.component?.id {
return true
}
}
return false
}
public func scrollToItemGroup(groupId: AnyHashable) {
guard let itemLayout = self.itemLayout else {
return
}
for group in itemLayout.itemGroupLayouts {
if group.id == groupId {
let wasIgnoringScrollingEvents = self.ignoreScrolling
self.ignoreScrolling = true
self.scrollView.setContentOffset(self.scrollView.contentOffset, animated: false)
self.ignoreScrolling = wasIgnoringScrollingEvents
self.scrollView.scrollRectToVisible(CGRect(origin: group.frame.origin.offsetBy(dx: 0.0, dy: floor(-itemLayout.verticalGroupSpacing / 2.0)), size: CGSize(width: 1.0, height: self.scrollView.bounds.height)), animated: true)
}
}
}
@objc private func tapGesture(_ recognizer: UITapGestureRecognizer) {
if case .ended = recognizer.state {
if let component = self.component, let (item, itemKey) = self.item(atPoint: recognizer.location(in: self)), let itemLayer = self.visibleItemLayers[itemKey] {
component.inputInteraction.performItemAction(item, self, self.scrollView.convert(itemLayer.frame, to: self), itemLayer)
}
}
}
private func item(atPoint point: CGPoint) -> (Item, ItemLayer.Key)? {
let localPoint = self.convert(point, to: self.scrollView)
for (key, itemLayer) in self.visibleItemLayers {
if itemLayer.frame.contains(localPoint) {
return (itemLayer.item, key)
}
}
return nil
}
private struct ScrollingOffsetState: Equatable {
var value: CGFloat
var isDraggingOrDecelerating: Bool
}
private var previousScrollingOffset: ScrollingOffsetState?
public func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
if let presentation = scrollView.layer.presentation() {
scrollView.bounds = presentation.bounds
scrollView.layer.removeAllAnimations()
}
}
public func scrollViewDidScroll(_ scrollView: UIScrollView) {
if self.ignoreScrolling {
return
}
self.updateVisibleItems(attemptSynchronousLoads: false)
self.updateScrollingOffset(transition: .immediate)
}
public func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
if velocity.y != 0.0 {
targetContentOffset.pointee.y = self.snappedContentOffset(proposedOffset: targetContentOffset.pointee.y)
}
}
public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
if !decelerate {
self.snapScrollingOffsetToInsets()
}
}
public func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
self.snapScrollingOffsetToInsets()
}
private func updateScrollingOffset(transition: Transition) {
let isInteracting = scrollView.isDragging || scrollView.isDecelerating
if let previousScrollingOffsetValue = self.previousScrollingOffset {
let currentBounds = scrollView.bounds
let offsetToTopEdge = max(0.0, currentBounds.minY - 0.0)
let offsetToBottomEdge = max(0.0, scrollView.contentSize.height - currentBounds.maxY)
let relativeOffset = scrollView.contentOffset.y - previousScrollingOffsetValue.value
self.pagerEnvironment?.onChildScrollingUpdate(PagerComponentChildEnvironment.ContentScrollingUpdate(
relativeOffset: relativeOffset,
absoluteOffsetToTopEdge: offsetToTopEdge,
absoluteOffsetToBottomEdge: offsetToBottomEdge,
isInteracting: isInteracting,
transition: transition
))
}
self.previousScrollingOffset = ScrollingOffsetState(value: scrollView.contentOffset.y, isDraggingOrDecelerating: isInteracting)
}
private func snappedContentOffset(proposedOffset: CGFloat) -> CGFloat {
guard let pagerEnvironment = self.pagerEnvironment else {
return proposedOffset
}
var proposedOffset = proposedOffset
let bounds = self.bounds
if proposedOffset + bounds.height > self.scrollView.contentSize.height - pagerEnvironment.containerInsets.bottom {
proposedOffset = self.scrollView.contentSize.height - bounds.height
}
if proposedOffset < pagerEnvironment.containerInsets.top {
proposedOffset = 0.0
}
return proposedOffset
}
private func snapScrollingOffsetToInsets() {
let transition = Transition(animation: .curve(duration: 0.4, curve: .spring))
var currentBounds = self.scrollView.bounds
currentBounds.origin.y = self.snappedContentOffset(proposedOffset: currentBounds.minY)
transition.setBounds(view: self.scrollView, bounds: currentBounds)
self.updateScrollingOffset(transition: transition)
}
private func updateVisibleItems(attemptSynchronousLoads: Bool) {
guard let component = self.component, let theme = self.theme, let itemLayout = self.itemLayout else {
return
}
var topVisibleGroupId: AnyHashable?
var validIds = Set<ItemLayer.Key>()
var validGroupHeaderIds = Set<AnyHashable>()
for groupItems in itemLayout.visibleItems(for: self.scrollView.bounds) {
if topVisibleGroupId == nil {
topVisibleGroupId = groupItems.id
}
let itemGroup = component.itemGroups[groupItems.groupIndex]
let itemGroupLayout = itemLayout.itemGroupLayouts[groupItems.groupIndex]
if let title = itemGroup.title {
validGroupHeaderIds.insert(itemGroup.id)
let groupHeaderView: ComponentView<Empty>
if let current = self.visibleGroupHeaders[itemGroup.id] {
groupHeaderView = current
} else {
groupHeaderView = ComponentView<Empty>()
self.visibleGroupHeaders[itemGroup.id] = groupHeaderView
}
let groupHeaderSize = groupHeaderView.update(
transition: .immediate,
component: AnyComponent(Text(
text: title, font: Font.medium(12.0), color: theme.chat.inputMediaPanel.stickersSectionTextColor
)),
environment: {},
containerSize: CGSize(width: itemLayout.contentSize.width - itemLayout.containerInsets.left - itemLayout.containerInsets.right, height: 100.0)
)
if let view = groupHeaderView.view {
if view.superview == nil {
self.scrollView.addSubview(view)
}
view.frame = CGRect(origin: CGPoint(x: itemLayout.containerInsets.left, y: itemGroupLayout.frame.minY + 1.0), size: groupHeaderSize)
}
}
for index in groupItems.groupItems.lowerBound ..< groupItems.groupItems.upperBound {
let item = itemGroup.items[index]
let itemId = ItemLayer.Key(groupId: itemGroup.id, fileId: item.file.fileId)
validIds.insert(itemId)
let itemLayer: ItemLayer
if let current = self.visibleItemLayers[itemId] {
itemLayer = current
} else {
itemLayer = ItemLayer(
item: item,
context: component.context,
groupId: "keyboard-\(Int(itemLayout.itemSize))",
attemptSynchronousLoad: attemptSynchronousLoads,
file: item.file,
cache: component.animationCache,
renderer: component.animationRenderer,
placeholderColor: theme.chat.inputPanel.primaryTextColor.withMultipliedAlpha(0.1),
blurredBadgeColor: theme.chat.inputPanel.panelBackgroundColor.withMultipliedAlpha(0.5),
displayPremiumBadgeIfAvailable: true,
pointSize: CGSize(width: itemLayout.itemSize, height: itemLayout.itemSize)
)
self.scrollView.layer.addSublayer(itemLayer)
self.visibleItemLayers[itemId] = itemLayer
}
let itemFrame = itemLayout.frame(groupIndex: groupItems.groupIndex, itemIndex: index)
itemLayer.position = CGPoint(x: itemFrame.midX, y: itemFrame.midY)
itemLayer.bounds = CGRect(origin: CGPoint(), size: itemFrame.size)
itemLayer.isVisibleForAnimations = true
}
}
var removedIds: [ItemLayer.Key] = []
for (id, itemLayer) in self.visibleItemLayers {
if !validIds.contains(id) {
removedIds.append(id)
itemLayer.removeFromSuperlayer()
}
}
for id in removedIds {
self.visibleItemLayers.removeValue(forKey: id)
}
var removedGroupHeaderIds: [AnyHashable] = []
for (id, groupHeaderView) in self.visibleGroupHeaders {
if !validGroupHeaderIds.contains(id) {
removedGroupHeaderIds.append(id)
groupHeaderView.view?.removeFromSuperview()
}
}
for id in removedGroupHeaderIds {
self.visibleGroupHeaders.removeValue(forKey: id)
}
if let topVisibleGroupId = topVisibleGroupId {
self.activeItemUpdated?.invoke((topVisibleGroupId, .immediate))
}
}
func update(component: EmojiPagerContentComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> CGSize {
self.component = component
self.theme = environment[EntityKeyboardChildEnvironment.self].value.theme
self.activeItemUpdated = environment[EntityKeyboardChildEnvironment.self].value.getContentActiveItemUpdated(component.id)
let pagerEnvironment = environment[PagerComponentChildEnvironment.self].value
self.pagerEnvironment = pagerEnvironment
var itemGroups: [ItemGroupDescription] = []
for itemGroup in component.itemGroups {
itemGroups.append(ItemGroupDescription(
id: itemGroup.id,
hasTitle: itemGroup.title != nil,
itemCount: itemGroup.items.count
))
}
let itemLayout = ItemLayout(width: availableSize.width, containerInsets: UIEdgeInsets(top: pagerEnvironment.containerInsets.top + 9.0, left: pagerEnvironment.containerInsets.left + 12.0, bottom: 9.0 + pagerEnvironment.containerInsets.bottom, right: pagerEnvironment.containerInsets.right + 12.0), itemGroups: itemGroups, itemLayoutType: component.itemLayoutType)
self.itemLayout = itemLayout
self.ignoreScrolling = true
transition.setFrame(view: self.scrollView, frame: CGRect(origin: CGPoint(), size: availableSize))
if self.scrollView.contentSize != itemLayout.contentSize {
self.scrollView.contentSize = itemLayout.contentSize
}
if self.scrollView.scrollIndicatorInsets != pagerEnvironment.containerInsets {
self.scrollView.scrollIndicatorInsets = pagerEnvironment.containerInsets
}
self.previousScrollingOffset = ScrollingOffsetState(value: scrollView.contentOffset.y, isDraggingOrDecelerating: scrollView.isDragging || scrollView.isDecelerating)
self.ignoreScrolling = false
self.updateVisibleItems(attemptSynchronousLoads: true)
return availableSize
}
}
public func makeView() -> View {
return View(frame: CGRect())
}
public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}