mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-15 21:45:19 +00:00
1242 lines
55 KiB
Swift
1242 lines
55 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import SwiftSignalKit
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import Postbox
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import TelegramCore
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import TelegramPresentationData
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import TelegramStringFormatting
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import LegacyComponents
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import CheckNode
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import MosaicLayout
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import WallpaperBackgroundNode
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import AccountContext
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import ChatMessageBackground
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private class MediaPickerSelectedItemNode: ASDisplayNode {
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let asset: TGMediaAsset
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private let interaction: MediaPickerInteraction?
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private let imageNode: ImageNode
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private var checkNode: InteractiveCheckNode?
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private var durationBackgroundNode: ASDisplayNode?
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private var durationTextNode: ImmediateTextNode?
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private var adjustmentsDisposable: Disposable?
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private var theme: PresentationTheme?
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private var validLayout: CGSize?
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var corners: CACornerMask = [] {
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didSet {
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if #available(iOS 13.0, *) {
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self.layer.cornerCurve = .circular
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}
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if #available(iOS 11.0, *) {
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self.layer.maskedCorners = corners
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}
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}
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}
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var radius: CGFloat = 0.0 {
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didSet {
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self.layer.cornerRadius = radius
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}
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}
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private var readyPromise = Promise<Bool>()
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fileprivate var ready: Signal<Bool, NoError> {
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return self.readyPromise.get()
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}
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private var videoDuration: Double?
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init(asset: TGMediaAsset, interaction: MediaPickerInteraction?) {
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self.imageNode = ImageNode()
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self.imageNode.contentMode = .scaleAspectFill
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self.imageNode.clipsToBounds = true
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self.imageNode.animateFirstTransition = false
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self.asset = asset
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self.interaction = interaction
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super.init()
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self.clipsToBounds = true
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self.addSubnode(self.imageNode)
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if asset.isVideo, let editingState = interaction?.editingState {
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func adjustmentsChangedSignal(editingState: TGMediaEditingContext) -> Signal<TGMediaEditAdjustments?, NoError> {
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return Signal { subscriber in
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let disposable = editingState.adjustmentsSignal(for: asset).start(next: { next in
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if let next = next as? TGMediaEditAdjustments {
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subscriber.putNext(next)
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} else if next == nil {
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subscriber.putNext(nil)
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}
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}, error: nil, completed: {})
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return ActionDisposable {
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disposable?.dispose()
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}
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}
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}
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self.adjustmentsDisposable = (adjustmentsChangedSignal(editingState: editingState)
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|> deliverOnMainQueue).start(next: { [weak self] adjustments in
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if let strongSelf = self {
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let duration: Double
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if let adjustments = adjustments as? TGVideoEditAdjustments, adjustments.trimApplied() {
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duration = adjustments.trimEndValue - adjustments.trimStartValue
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} else {
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duration = asset.videoDuration
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}
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strongSelf.videoDuration = duration
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if let size = strongSelf.validLayout {
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strongSelf.updateLayout(size: size, transition: .immediate)
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}
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}
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})
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}
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}
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deinit {
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self.adjustmentsDisposable?.dispose()
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}
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override func didLoad() {
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super.didLoad()
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self.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tap)))
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}
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@objc private func tap() {
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self.interaction?.openSelectedMedia(asset, self.imageNode.image)
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}
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func setup(size: CGSize) {
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let editingState = self.interaction?.editingState
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let editedSignal = Signal<UIImage?, NoError> { subscriber in
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if let editingState = editingState, let signal = editingState.thumbnailImageSignal(forIdentifier: self.asset.uniqueIdentifier) {
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let disposable = signal.start(next: { next in
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if let image = next as? UIImage {
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subscriber.putNext(image)
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} else {
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subscriber.putNext(nil)
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}
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}, error: { _ in
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}, completed: nil)!
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return ActionDisposable {
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disposable.dispose()
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}
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} else {
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return EmptyDisposable
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}
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}
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let dimensions: CGSize
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if let adjustments = self.interaction?.editingState.adjustments(for: self.asset), adjustments.cropApplied(forAvatar: false) {
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dimensions = adjustments.cropRect.size
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} else {
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dimensions = self.asset.dimensions
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}
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let scale = min(2.0, UIScreenScale)
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let scaledDimensions = dimensions.aspectFilled(CGSize(width: 320.0, height: 320.0))
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let targetSize = CGSize(width: scaledDimensions.width * scale, height: scaledDimensions.height * scale)
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let originalSignal = assetImage(asset: self.asset.backingAsset, targetSize: targetSize, exact: false)
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let imageSignal: Signal<UIImage?, NoError> = editedSignal
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|> mapToSignal { result in
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if let result = result {
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return .single(result)
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} else {
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return originalSignal
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}
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}
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self.imageNode.setSignal(imageSignal)
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self.readyPromise.set(self.imageNode.contentReady)
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}
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func updateSelectionState() {
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if self.checkNode == nil, let _ = self.interaction?.selectionState, let theme = self.theme {
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let checkNode = InteractiveCheckNode(theme: CheckNodeTheme(theme: theme, style: .overlay))
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checkNode.valueChanged = { [weak self] value in
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if let strongSelf = self, let interaction = strongSelf.interaction {
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interaction.toggleSelection(strongSelf.asset, value, true)
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}
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}
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self.addSubnode(checkNode)
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self.checkNode = checkNode
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if let size = self.validLayout {
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self.updateLayout(size: size, transition: .immediate)
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}
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}
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if let interaction = self.interaction, let selectionState = interaction.selectionState, let identifier = self.asset.uniqueIdentifier {
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let selected = selectionState.isIdentifierSelected(identifier)
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let index = selectionState.index(of: self.asset)
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if index != NSNotFound {
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self.checkNode?.content = .counter(Int(index))
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}
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self.checkNode?.setSelected(selected, animated: false)
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if let checkNode = self.checkNode {
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let transition = ContainedViewLayoutTransition.animated(duration: 0.2, curve: .easeInOut)
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transition.updateAlpha(node: checkNode, alpha: selectionState.count() < 2 ? 0.0 : 1.0)
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}
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}
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}
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func updateHiddenMedia() {
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let wasHidden = self.isHidden
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self.isHidden = self.interaction?.hiddenMediaId == asset.uniqueIdentifier
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if !self.isHidden && wasHidden {
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if let checkNode = self.checkNode, checkNode.alpha > 0.0 {
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checkNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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if let durationTextNode = self.durationTextNode, durationTextNode.alpha > 0.0 {
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durationTextNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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if let durationBackgroundNode = self.durationBackgroundNode, durationBackgroundNode.alpha > 0.0 {
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durationBackgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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}
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}
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func update(theme: PresentationTheme) {
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var updatedTheme = false
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if self.theme != theme {
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self.theme = theme
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updatedTheme = true
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}
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if updatedTheme {
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self.checkNode?.theme = CheckNodeTheme(theme: theme, style: .overlay)
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}
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}
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func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) {
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self.validLayout = size
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transition.updateFrame(node: self.imageNode, frame: CGRect(origin: CGPoint(), size: size))
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let checkSize = CGSize(width: 29.0, height: 29.0)
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if let checkNode = self.checkNode {
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transition.updateFrame(node: checkNode, frame: CGRect(origin: CGPoint(x: size.width - checkSize.width - 3.0, y: 3.0), size: checkSize))
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}
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if let duration = self.videoDuration {
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let textNode: ImmediateTextNode
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let backgroundNode: ASDisplayNode
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if let currentTextNode = self.durationTextNode, let currentBackgroundNode = self.durationBackgroundNode {
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textNode = currentTextNode
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backgroundNode = currentBackgroundNode
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} else {
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backgroundNode = ASDisplayNode()
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backgroundNode.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.5)
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backgroundNode.cornerRadius = 9.0
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self.addSubnode(backgroundNode)
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self.durationBackgroundNode = backgroundNode
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textNode = ImmediateTextNode()
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textNode.displaysAsynchronously = false
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self.addSubnode(textNode)
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self.durationTextNode = textNode
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}
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textNode.attributedText = NSAttributedString(string: stringForDuration(Int32(duration)), font: Font.with(size: 11.0, design: .regular, weight: .regular, traits: .monospacedNumbers), textColor: .white)
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let textSize = textNode.updateLayout(size)
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let backgroundFrame = CGRect(x: 6.0, y: 6.0, width: ceil(textSize.width) + 14.0, height: 18.0)
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backgroundNode.frame = backgroundFrame
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textNode.frame = CGRect(origin: CGPoint(x: backgroundFrame.minX + floorToScreenPixels((backgroundFrame.size.width - textSize.width) / 2.0), y: backgroundFrame.minY + floorToScreenPixels((backgroundFrame.size.height - textSize.height) / 2.0)), size: textSize)
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} else {
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if let durationTextNode = self.durationTextNode {
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self.durationTextNode = nil
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durationTextNode.removeFromSupernode()
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}
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if let durationBackgroundNode = self.durationBackgroundNode {
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self.durationBackgroundNode = nil
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durationBackgroundNode.removeFromSupernode()
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}
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}
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}
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func transitionView() -> UIView {
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let view = self.imageNode.view.snapshotContentTree(unhide: true, keepTransform: true)!
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if #available(iOS 13.0, *) {
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view.layer.cornerCurve = self.layer.cornerCurve
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}
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if #available(iOS 11.0, *) {
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view.layer.maskedCorners = self.layer.maskedCorners
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view.layer.cornerRadius = self.layer.cornerRadius
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}
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view.frame = self.convert(self.bounds, to: nil)
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return view
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}
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func animateFrom(_ view: UIView) {
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view.alpha = 0.0
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let frame = view.convert(view.bounds, to: self.supernode?.view)
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let targetFrame = self.frame
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self.durationTextNode?.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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self.durationBackgroundNode?.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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self.updateLayout(size: frame.size, transition: .immediate)
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self.updateLayout(size: targetFrame.size, transition: .animated(duration: 0.25, curve: .spring))
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self.layer.animateFrame(from: frame, to: targetFrame, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, completion: { [weak view] _ in
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view?.alpha = 1.0
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})
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}
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func animateTo(_ view: UIView, completion: @escaping (Bool) -> Void) {
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view.alpha = 0.0
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let frame = self.frame
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let targetFrame = view.convert(view.bounds, to: self.supernode?.view)
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let corners = self.corners
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self.durationTextNode?.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
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self.durationBackgroundNode?.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
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self.corners = []
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self.updateLayout(size: targetFrame.size, transition: .animated(duration: 0.25, curve: .spring))
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self.layer.animateFrame(from: frame, to: targetFrame, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { [weak view, weak self] _ in
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view?.alpha = 1.0
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self?.durationTextNode?.layer.removeAllAnimations()
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self?.durationBackgroundNode?.layer.removeAllAnimations()
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var animateCheckNode = false
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if let strongSelf = self, let checkNode = strongSelf.checkNode, checkNode.alpha.isZero {
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animateCheckNode = true
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}
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completion(animateCheckNode)
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self?.corners = corners
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self?.updateLayout(size: frame.size, transition: .immediate)
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Queue.mainQueue().after(0.01) {
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self?.layer.removeAllAnimations()
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}
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})
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}
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}
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private class MessageBackgroundNode: ASDisplayNode {
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private let backgroundWallpaperNode: ChatMessageBubbleBackdrop
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private let backgroundNode: ChatMessageBackground
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private let shadowNode: ChatMessageShadowNode
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override init() {
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self.backgroundWallpaperNode = ChatMessageBubbleBackdrop()
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self.backgroundNode = ChatMessageBackground()
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self.shadowNode = ChatMessageShadowNode()
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super.init()
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self.addSubnode(self.backgroundWallpaperNode)
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self.addSubnode(self.backgroundNode)
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}
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private var absoluteRect: (CGRect, CGSize)?
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func update(size: CGSize, theme: PresentationTheme, wallpaper: TelegramWallpaper, graphics: PrincipalThemeEssentialGraphics, wallpaperBackgroundNode: WallpaperBackgroundNode, transition: ContainedViewLayoutTransition) {
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self.backgroundNode.setType(type: .outgoing(.Extracted), highlighted: false, graphics: graphics, maskMode: false, hasWallpaper: wallpaper.hasWallpaper, transition: transition, backgroundNode: wallpaperBackgroundNode)
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self.backgroundWallpaperNode.setType(type: .outgoing(.Extracted), theme: ChatPresentationThemeData(theme: theme, wallpaper: wallpaper), essentialGraphics: graphics, maskMode: true, backgroundNode: wallpaperBackgroundNode)
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self.shadowNode.setType(type: .outgoing(.Extracted), hasWallpaper: wallpaper.hasWallpaper, graphics: graphics)
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let backgroundFrame = CGRect(origin: CGPoint(), size: size)
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self.backgroundNode.updateLayout(size: backgroundFrame.size, transition: transition)
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self.backgroundWallpaperNode.updateFrame(backgroundFrame, transition: transition)
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self.shadowNode.updateLayout(backgroundFrame: backgroundFrame, transition: transition)
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if let (rect, size) = self.absoluteRect {
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self.updateAbsoluteRect(rect, within: size)
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}
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}
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func updateAbsoluteRect(_ rect: CGRect, within containerSize: CGSize) {
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self.absoluteRect = (rect, containerSize)
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var backgroundWallpaperFrame = self.backgroundWallpaperNode.frame
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backgroundWallpaperFrame.origin.x += rect.minX
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backgroundWallpaperFrame.origin.y += rect.minY
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self.backgroundWallpaperNode.update(rect: backgroundWallpaperFrame, within: containerSize)
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}
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}
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final class MediaPickerSelectedListNode: ASDisplayNode, UIScrollViewDelegate, UIGestureRecognizerDelegate {
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private let context: AccountContext
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fileprivate let wallpaperBackgroundNode: WallpaperBackgroundNode
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private let scrollNode: ASScrollNode
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private var backgroundNodes: [Int: MessageBackgroundNode] = [:]
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private var itemNodes: [String: MediaPickerSelectedItemNode] = [:]
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private var reorderFeedback: HapticFeedback?
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private var reorderNode: ReorderingItemNode?
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private var isReordering = false
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private var graphics: PrincipalThemeEssentialGraphics?
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var interaction: MediaPickerInteraction?
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private var validLayout: (size: CGSize, insets: UIEdgeInsets, items: [TGMediaSelectableItem], grouped: Bool, theme: PresentationTheme, wallpaper: TelegramWallpaper, bubbleCorners: PresentationChatBubbleCorners)?
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private var didSetReady = false
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private var ready = Promise<Bool>()
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init(context: AccountContext) {
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self.context = context
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self.wallpaperBackgroundNode = createWallpaperBackgroundNode(context: context, forChatDisplay: true, useSharedAnimationPhase: false, useExperimentalImplementation: context.sharedContext.immediateExperimentalUISettings.experimentalBackground)
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self.wallpaperBackgroundNode.backgroundColor = .black
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self.scrollNode = ASScrollNode()
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super.init()
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self.addSubnode(self.wallpaperBackgroundNode)
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self.addSubnode(self.scrollNode)
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}
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override func didLoad() {
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super.didLoad()
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if #available(iOS 11.0, *) {
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self.scrollNode.view.contentInsetAdjustmentBehavior = .never
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}
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self.scrollNode.view.delegate = self
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self.scrollNode.view.panGestureRecognizer.cancelsTouchesInView = true
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self.scrollNode.view.showsVerticalScrollIndicator = false
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self.view.addGestureRecognizer(ReorderingGestureRecognizer(shouldBegin: { [weak self] point in
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if let strongSelf = self, !strongSelf.scrollNode.view.isDragging && strongSelf.itemNodes.count > 1 {
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let point = strongSelf.view.convert(point, to: strongSelf.scrollNode.view)
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for (_, itemNode) in strongSelf.itemNodes {
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if itemNode.frame.contains(point) {
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return (true, true, itemNode)
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}
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}
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return (false, false, nil)
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}
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return (false, false, nil)
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}, willBegin: { _ in
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}, began: { [weak self] itemNode in
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self?.beginReordering(itemNode: itemNode)
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}, ended: { [weak self] point in
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if let strongSelf = self {
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if var point = point {
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point = strongSelf.view.convert(point, to: strongSelf.scrollNode.view)
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strongSelf.endReordering(point: point)
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} else {
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strongSelf.endReordering(point: nil)
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}
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}
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}, moved: { [weak self] offset in
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self?.updateReordering(offset: offset)
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}))
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Queue.mainQueue().after(0.1, {
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self.updateAbsoluteRects()
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})
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}
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var getTransitionView: (String ) -> (UIView, (Bool) -> Void)? = { _ in return nil }
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func animateIn(initiated: @escaping () -> Void, completion: @escaping () -> Void = {}) {
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let _ = (self.ready.get()
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|> take(1)
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|> deliverOnMainQueue).start(next: { [weak self] _ in
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guard let strongSelf = self else {
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return
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}
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strongSelf.alpha = 1.0
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initiated()
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strongSelf.wallpaperBackgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, completion: { _ in
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completion()
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})
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strongSelf.wallpaperBackgroundNode.layer.animateScale(from: 1.2, to: 1.0, duration: 0.4, timingFunction: kCAMediaTimingFunctionSpring)
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for (_, backgroundNode) in strongSelf.backgroundNodes {
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backgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, delay: 0.1)
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}
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for (identifier, itemNode) in strongSelf.itemNodes {
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if let (transitionView, _) = strongSelf.getTransitionView(identifier) {
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itemNode.animateFrom(transitionView)
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} else {
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itemNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1)
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}
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}
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if let topNode = strongSelf.messageNodes?.first, !topNode.alpha.isZero {
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topNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, delay: 0.1)
|
|
topNode.layer.animatePosition(from: CGPoint(x: 0.0, y: -30.0), to: CGPoint(), duration: 0.4, delay: 0.0, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
|
|
}
|
|
|
|
if let bottomNode = strongSelf.messageNodes?.last, !bottomNode.alpha.isZero {
|
|
bottomNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, delay: 0.1)
|
|
bottomNode.layer.animatePosition(from: CGPoint(x: 0.0, y: 30.0), to: CGPoint(), duration: 0.4, delay: 0.0, timingFunction: kCAMediaTimingFunctionSpring, additive: true)
|
|
}
|
|
})
|
|
}
|
|
|
|
func animateOut(completion: @escaping () -> Void = {}) {
|
|
self.wallpaperBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak self] _ in
|
|
completion()
|
|
|
|
if let strongSelf = self {
|
|
Queue.mainQueue().after(0.01) {
|
|
for (_, backgroundNode) in strongSelf.backgroundNodes {
|
|
backgroundNode.layer.removeAllAnimations()
|
|
}
|
|
|
|
for (_, itemNode) in strongSelf.itemNodes {
|
|
itemNode.layer.removeAllAnimations()
|
|
}
|
|
|
|
strongSelf.messageNodes?.first?.layer.removeAllAnimations()
|
|
strongSelf.messageNodes?.last?.layer.removeAllAnimations()
|
|
|
|
strongSelf.wallpaperBackgroundNode.layer.removeAllAnimations()
|
|
}
|
|
}
|
|
})
|
|
|
|
self.wallpaperBackgroundNode.layer.animateScale(from: 1.0, to: 1.2, duration: 0.4, timingFunction: kCAMediaTimingFunctionSpring)
|
|
|
|
for (_, backgroundNode) in self.backgroundNodes {
|
|
backgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.1, removeOnCompletion: false)
|
|
}
|
|
|
|
for (identifier, itemNode) in self.itemNodes {
|
|
if let (transitionView, completion) = self.getTransitionView(identifier) {
|
|
itemNode.animateTo(transitionView, completion: completion)
|
|
} else {
|
|
itemNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.1, removeOnCompletion: false)
|
|
}
|
|
}
|
|
|
|
self.messageNodes?.first?.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
|
|
self.messageNodes?.first?.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: -30.0), duration: 0.4, delay: 0.0, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, additive: true)
|
|
|
|
self.messageNodes?.last?.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
|
|
self.messageNodes?.last?.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: 30.0), duration: 0.4, delay: 0.0, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, additive: true)
|
|
}
|
|
|
|
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
|
|
return true
|
|
}
|
|
|
|
func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
|
|
self.interaction?.dismissInput()
|
|
}
|
|
|
|
func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
self.updateAbsoluteRects()
|
|
}
|
|
|
|
func scrollToTop(animated: Bool) {
|
|
self.scrollNode.view.setContentOffset(CGPoint(), animated: animated)
|
|
}
|
|
|
|
func updateAbsoluteRects() {
|
|
guard let messageNodes = self.messageNodes, let (size, _, _, _, _, _, _) = self.validLayout else {
|
|
return
|
|
}
|
|
|
|
for itemNode in messageNodes {
|
|
var absoluteRect = itemNode.frame
|
|
if let supernode = self.supernode {
|
|
absoluteRect = supernode.convert(itemNode.bounds, from: itemNode)
|
|
}
|
|
absoluteRect.origin.y = size.height - absoluteRect.origin.y - absoluteRect.size.height
|
|
itemNode.updateAbsoluteRect(absoluteRect, within: self.bounds.size)
|
|
}
|
|
|
|
for (_, itemNode) in self.backgroundNodes {
|
|
var absoluteRect = itemNode.frame
|
|
if let supernode = self.supernode {
|
|
absoluteRect = supernode.convert(itemNode.bounds, from: itemNode)
|
|
}
|
|
absoluteRect.origin.y = size.height - absoluteRect.origin.y - absoluteRect.size.height
|
|
itemNode.updateAbsoluteRect(absoluteRect, within: self.bounds.size)
|
|
}
|
|
}
|
|
|
|
private func beginReordering(itemNode: MediaPickerSelectedItemNode) {
|
|
self.isReordering = true
|
|
|
|
if let reorderNode = self.reorderNode {
|
|
reorderNode.removeFromSupernode()
|
|
}
|
|
|
|
let reorderNode = ReorderingItemNode(itemNode: itemNode, initialLocation: itemNode.frame.origin)
|
|
self.reorderNode = reorderNode
|
|
self.scrollNode.addSubnode(reorderNode)
|
|
|
|
itemNode.isHidden = true
|
|
|
|
if self.reorderFeedback == nil {
|
|
self.reorderFeedback = HapticFeedback()
|
|
}
|
|
self.reorderFeedback?.impact()
|
|
}
|
|
|
|
private func endReordering(point: CGPoint?) {
|
|
if let reorderNode = self.reorderNode {
|
|
self.reorderNode = nil
|
|
|
|
if let itemNode = reorderNode.itemNode, let point = point {
|
|
var targetNode: MediaPickerSelectedItemNode?
|
|
for (_, node) in self.itemNodes {
|
|
if node.frame.contains(point) {
|
|
targetNode = node
|
|
break
|
|
}
|
|
}
|
|
|
|
if let targetNode = targetNode, let targetIndex = self.interaction?.selectionState?.index(of: targetNode.asset) {
|
|
self.interaction?.selectionState?.move(itemNode.asset, to: targetIndex)
|
|
}
|
|
reorderNode.animateCompletion(completion: { [weak reorderNode] in
|
|
reorderNode?.removeFromSupernode()
|
|
})
|
|
self.reorderFeedback?.tap()
|
|
} else {
|
|
reorderNode.removeFromSupernode()
|
|
reorderNode.itemNode?.isHidden = false
|
|
}
|
|
}
|
|
|
|
self.isReordering = false
|
|
}
|
|
|
|
private func updateReordering(offset: CGPoint) {
|
|
if let reorderNode = self.reorderNode {
|
|
reorderNode.updateOffset(offset: offset)
|
|
}
|
|
}
|
|
|
|
private var messageNodes: [ListViewItemNode]?
|
|
private func updateItems(transition: ContainedViewLayoutTransition) {
|
|
guard let (size, insets, items, grouped, theme, wallpaper, bubbleCorners) = self.validLayout else {
|
|
return
|
|
}
|
|
|
|
let presentationData = self.context.sharedContext.currentPresentationData.with { $0 }
|
|
|
|
var itemSizes: [CGSize] = []
|
|
let sideInset: CGFloat = 34.0
|
|
let boundingWidth = min(320.0, size.width - insets.left - insets.right - sideInset * 2.0)
|
|
|
|
var validIds: [String] = []
|
|
for item in items {
|
|
guard let asset = item as? TGMediaAsset, let identifier = asset.uniqueIdentifier else {
|
|
continue
|
|
}
|
|
|
|
validIds.append(identifier)
|
|
let itemNode: MediaPickerSelectedItemNode
|
|
if let current = self.itemNodes[identifier] {
|
|
itemNode = current
|
|
} else {
|
|
itemNode = MediaPickerSelectedItemNode(asset: asset, interaction: self.interaction)
|
|
self.itemNodes[identifier] = itemNode
|
|
self.scrollNode.addSubnode(itemNode)
|
|
|
|
itemNode.setup(size: CGSize(width: boundingWidth, height: boundingWidth))
|
|
}
|
|
itemNode.update(theme: theme)
|
|
itemNode.updateSelectionState()
|
|
if !self.isReordering {
|
|
itemNode.updateHiddenMedia()
|
|
}
|
|
|
|
if let adjustments = self.interaction?.editingState.adjustments(for: asset), adjustments.cropApplied(forAvatar: false) {
|
|
itemSizes.append(adjustments.cropRect.size)
|
|
} else {
|
|
itemSizes.append(asset.dimensions)
|
|
}
|
|
}
|
|
|
|
if !self.didSetReady {
|
|
self.didSetReady = true
|
|
|
|
var signals: [Signal<Bool, NoError>] = []
|
|
for (_, itemNode) in self.itemNodes {
|
|
signals.append(itemNode.ready)
|
|
}
|
|
self.ready.set(combineLatest(queue: Queue.mainQueue(), signals)
|
|
|> map { _ in
|
|
return true
|
|
})
|
|
}
|
|
|
|
let boundingSize = CGSize(width: boundingWidth, height: boundingWidth)
|
|
var groupLayouts: [([(TGMediaSelectableItem, CGRect, MosaicItemPosition)], CGSize)] = []
|
|
if grouped && items.count > 1 {
|
|
let groupSize = 10
|
|
for i in stride(from: 0, to: itemSizes.count, by: groupSize) {
|
|
let sizes = itemSizes[i ..< min(i + groupSize, itemSizes.count)]
|
|
let items = items[i ..< min(i + groupSize, items.count)]
|
|
|
|
if items.count > 1 {
|
|
let (mosaicLayout, size) = chatMessageBubbleMosaicLayout(maxSize: boundingSize, itemSizes: Array(sizes), spacing: 1.0, fillWidth: true)
|
|
let layout = zip(items, mosaicLayout).map { ($0, $1.0, $1.1) }
|
|
groupLayouts.append((layout, size))
|
|
} else if let item = items.first, var itemSize = sizes.first {
|
|
if itemSize.width > itemSize.height {
|
|
itemSize = itemSize.aspectFitted(boundingSize)
|
|
} else {
|
|
itemSize = boundingSize
|
|
}
|
|
let itemRect = CGRect(origin: CGPoint(), size: itemSize)
|
|
let position: MosaicItemPosition = [.top, .bottom, .left, .right]
|
|
groupLayouts.append(([(item, itemRect, position)], itemRect.size))
|
|
}
|
|
}
|
|
} else {
|
|
for i in 0 ..< itemSizes.count {
|
|
let item = items[i]
|
|
var itemSize = itemSizes[i]
|
|
if itemSize.width > itemSize.height {
|
|
itemSize = itemSize.aspectFitted(boundingSize)
|
|
} else {
|
|
itemSize = boundingSize
|
|
}
|
|
let itemRect = CGRect(origin: CGPoint(), size: itemSize)
|
|
let position: MosaicItemPosition = [.top, .bottom, .left, .right]
|
|
groupLayouts.append(([(item, itemRect, position)], itemRect.size))
|
|
}
|
|
}
|
|
|
|
let peerId = PeerId(namespace: Namespaces.Peer.CloudUser, id: PeerId.Id._internalFromInt64Value(1))
|
|
var peers = SimpleDictionary<PeerId, Peer>()
|
|
peers[peerId] = TelegramUser(id: peerId, accessHash: nil, firstName: "", lastName: "", username: nil, phone: nil, photo: [], botInfo: nil, restrictionInfo: nil, flags: [], emojiStatus: nil)
|
|
|
|
let previewText = groupLayouts.count > 1 ? presentationData.strings.Attachment_MessagesPreview : presentationData.strings.Attachment_MessagePreview
|
|
|
|
let previewMessage = Message(stableId: 0, stableVersion: 0, id: MessageId(peerId: peerId, namespace: 0, id: 0), globallyUniqueId: nil, groupingKey: nil, groupInfo: nil, threadId: nil, timestamp: 0, flags: [], tags: [], globalTags: [], localTags: [], forwardInfo: nil, author: peers[peerId], text: "", attributes: [], media: [TelegramMediaAction(action: .customText(text: previewText, entities: []))], peers: peers, associatedMessages: SimpleDictionary(), associatedMessageIds: [], associatedMedia: [:])
|
|
let previewItem = self.context.sharedContext.makeChatMessagePreviewItem(context: context, messages: [previewMessage], theme: theme, strings: presentationData.strings, wallpaper: wallpaper, fontSize: presentationData.chatFontSize, chatBubbleCorners: bubbleCorners, dateTimeFormat: presentationData.dateTimeFormat, nameOrder: presentationData.nameDisplayOrder, forcedResourceStatus: nil, tapMessage: nil, clickThroughMessage: nil, backgroundNode: self.wallpaperBackgroundNode, availableReactions: nil, isCentered: true)
|
|
|
|
let dragMessage = Message(stableId: 0, stableVersion: 0, id: MessageId(peerId: peerId, namespace: 0, id: 0), globallyUniqueId: nil, groupingKey: nil, groupInfo: nil, threadId: nil, timestamp: 0, flags: [], tags: [], globalTags: [], localTags: [], forwardInfo: nil, author: peers[peerId], text: "", attributes: [], media: [TelegramMediaAction(action: .customText(text: presentationData.strings.Attachment_DragToReorder, entities: []))], peers: peers, associatedMessages: SimpleDictionary(), associatedMessageIds: [], associatedMedia: [:])
|
|
let dragItem = self.context.sharedContext.makeChatMessagePreviewItem(context: context, messages: [dragMessage], theme: theme, strings: presentationData.strings, wallpaper: wallpaper, fontSize: presentationData.chatFontSize, chatBubbleCorners: bubbleCorners, dateTimeFormat: presentationData.dateTimeFormat, nameOrder: presentationData.nameDisplayOrder, forcedResourceStatus: nil, tapMessage: nil, clickThroughMessage: nil, backgroundNode: self.wallpaperBackgroundNode, availableReactions: nil, isCentered: true)
|
|
|
|
let headerItems: [ListViewItem] = [previewItem, dragItem]
|
|
|
|
let params = ListViewItemLayoutParams(width: size.width, leftInset: insets.left, rightInset: insets.right, availableHeight: size.height)
|
|
if let messageNodes = self.messageNodes {
|
|
for i in 0 ..< headerItems.count {
|
|
let itemNode = messageNodes[i]
|
|
headerItems[i].updateNode(async: { $0() }, node: {
|
|
return itemNode
|
|
}, params: params, previousItem: nil, nextItem: nil, animation: .None, completion: { (layout, apply) in
|
|
let nodeFrame = CGRect(origin: itemNode.frame.origin, size: CGSize(width: size.width, height: layout.size.height))
|
|
|
|
itemNode.contentSize = layout.contentSize
|
|
itemNode.insets = layout.insets
|
|
itemNode.frame = nodeFrame
|
|
itemNode.isUserInteractionEnabled = false
|
|
|
|
apply(ListViewItemApply(isOnScreen: true))
|
|
})
|
|
}
|
|
} else {
|
|
var messageNodes: [ListViewItemNode] = []
|
|
for i in 0 ..< headerItems.count {
|
|
var itemNode: ListViewItemNode?
|
|
headerItems[i].nodeConfiguredForParams(async: { $0() }, params: params, synchronousLoads: false, previousItem: nil, nextItem: nil, completion: { node, apply in
|
|
itemNode = node
|
|
apply().1(ListViewItemApply(isOnScreen: true))
|
|
})
|
|
itemNode!.subnodeTransform = CATransform3DMakeRotation(CGFloat.pi, 0.0, 0.0, 1.0)
|
|
itemNode!.isUserInteractionEnabled = false
|
|
messageNodes.append(itemNode!)
|
|
self.scrollNode.addSubnode(itemNode!)
|
|
}
|
|
self.messageNodes = messageNodes
|
|
}
|
|
|
|
let spacing: CGFloat = 8.0
|
|
var contentHeight: CGFloat = 60.0
|
|
|
|
if let previewNode = self.messageNodes?.first {
|
|
transition.updateFrame(node: previewNode, frame: CGRect(origin: CGPoint(x: 0.0, y: insets.top + 28.0), size: previewNode.frame.size))
|
|
|
|
var previewNodeFrame = previewNode.frame
|
|
previewNodeFrame.origin.y = size.height - previewNodeFrame.origin.y - previewNodeFrame.size.height
|
|
|
|
previewNode.updateFrame(previewNodeFrame, within: size, updateFrame: false)
|
|
}
|
|
|
|
let graphics = PresentationResourcesChat.principalGraphics(theme: theme, wallpaper: wallpaper, bubbleCorners: bubbleCorners)
|
|
|
|
var groupIndex = 0
|
|
for (items, groupSize) in groupLayouts {
|
|
let groupRect = CGRect(origin: CGPoint(x: insets.left + floorToScreenPixels((size.width - insets.left - insets.right - groupSize.width) / 2.0), y: insets.top + contentHeight), size: groupSize)
|
|
|
|
let groupBackgroundNode: MessageBackgroundNode
|
|
if let current = self.backgroundNodes[groupIndex] {
|
|
groupBackgroundNode = current
|
|
} else {
|
|
groupBackgroundNode = MessageBackgroundNode()
|
|
groupBackgroundNode.displaysAsynchronously = false
|
|
self.backgroundNodes[groupIndex] = groupBackgroundNode
|
|
self.scrollNode.insertSubnode(groupBackgroundNode, at: 0)
|
|
}
|
|
|
|
var itemTransition = transition
|
|
if groupBackgroundNode.frame.width.isZero {
|
|
itemTransition = .immediate
|
|
}
|
|
|
|
itemTransition.updateFrame(node: groupBackgroundNode, frame: groupRect.insetBy(dx: -5.0, dy: -2.0).offsetBy(dx: 3.0, dy: 0.0))
|
|
groupBackgroundNode.update(size: groupBackgroundNode.frame.size, theme: theme, wallpaper: wallpaper, graphics: graphics, wallpaperBackgroundNode: self.wallpaperBackgroundNode, transition: itemTransition)
|
|
|
|
for (item, itemRect, itemPosition) in items {
|
|
if let identifier = item.uniqueIdentifier, let itemNode = self.itemNodes[identifier] {
|
|
var corners: CACornerMask = []
|
|
if itemPosition.contains(.top) && itemPosition.contains(.left) {
|
|
corners.insert(.layerMinXMinYCorner)
|
|
}
|
|
if itemPosition.contains(.top) && itemPosition.contains(.right) {
|
|
corners.insert(.layerMaxXMinYCorner)
|
|
}
|
|
if itemPosition.contains(.bottom) && itemPosition.contains(.left) {
|
|
corners.insert(.layerMinXMaxYCorner)
|
|
}
|
|
if itemPosition.contains(.bottom) && itemPosition.contains(.right) {
|
|
corners.insert(.layerMaxXMaxYCorner)
|
|
}
|
|
itemNode.corners = corners
|
|
itemNode.radius = bubbleCorners.mainRadius
|
|
|
|
var itemTransition = itemTransition
|
|
if itemNode.frame.width.isZero {
|
|
itemTransition = .immediate
|
|
}
|
|
|
|
itemNode.updateLayout(size: itemRect.size, transition: itemTransition)
|
|
itemTransition.updateFrame(node: itemNode, frame: itemRect.offsetBy(dx: groupRect.minX, dy: groupRect.minY))
|
|
|
|
if case .immediate = itemTransition, case .animated = transition {
|
|
transition.animateTransformScale(node: itemNode, from: 0.01)
|
|
itemNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
|
|
}
|
|
}
|
|
}
|
|
|
|
contentHeight += groupSize.height + spacing
|
|
groupIndex += 1
|
|
}
|
|
|
|
if let dragNode = self.messageNodes?.last {
|
|
transition.updateAlpha(node: dragNode, alpha: items.count > 1 ? 1.0 : 0.0)
|
|
transition.updateFrame(node: dragNode, frame: CGRect(origin: CGPoint(x: 0.0, y: insets.top + contentHeight + 1.0), size: dragNode.frame.size))
|
|
|
|
var dragNodeFrame = dragNode.frame
|
|
dragNodeFrame.origin.y = size.height - dragNodeFrame.origin.y - dragNodeFrame.size.height
|
|
|
|
dragNode.updateFrame(dragNodeFrame, within: size, updateFrame: false)
|
|
contentHeight += 60.0
|
|
}
|
|
|
|
contentHeight += insets.top
|
|
contentHeight += insets.bottom
|
|
|
|
var removeIds: [String] = []
|
|
for id in self.itemNodes.keys {
|
|
if !validIds.contains(id) {
|
|
removeIds.append(id)
|
|
}
|
|
}
|
|
for id in removeIds {
|
|
if let itemNode = self.itemNodes.removeValue(forKey: id) {
|
|
if transition.isAnimated {
|
|
itemNode.layer.animateScale(from: 1.0, to: 0.1, duration: 0.2, removeOnCompletion: false)
|
|
itemNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false, completion: { [weak itemNode] _ in
|
|
itemNode?.removeFromSupernode()
|
|
})
|
|
} else {
|
|
itemNode.removeFromSupernode()
|
|
}
|
|
}
|
|
}
|
|
|
|
for id in self.backgroundNodes.keys {
|
|
if id > groupLayouts.count - 1 {
|
|
if let itemNode = self.backgroundNodes.removeValue(forKey: id) {
|
|
if transition.isAnimated {
|
|
itemNode.layer.animateScale(from: 1.0, to: 0.1, duration: 0.2, removeOnCompletion: false)
|
|
itemNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false, completion: { [weak itemNode] _ in
|
|
itemNode?.removeFromSupernode()
|
|
})
|
|
} else {
|
|
itemNode.removeFromSupernode()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if case let .animated(duration, curve) = transition, self.scrollNode.view.contentSize.height > contentHeight {
|
|
let maxContentOffset = max(0.0, contentHeight - self.scrollNode.frame.height)
|
|
if self.scrollNode.view.contentOffset.y > maxContentOffset {
|
|
let updatedBounds = CGRect(origin: CGPoint(x: 0.0, y: maxContentOffset), size: self.scrollNode.bounds.size)
|
|
let previousBounds = self.scrollNode.bounds
|
|
self.scrollNode.bounds = updatedBounds
|
|
self.scrollNode.layer.animateBounds(from: previousBounds, to: updatedBounds, duration: duration, timingFunction: curve.timingFunction)
|
|
}
|
|
}
|
|
|
|
self.updateAbsoluteRects()
|
|
|
|
self.scrollNode.view.contentSize = CGSize(width: size.width, height: contentHeight)
|
|
}
|
|
|
|
func updateSelectionState() {
|
|
for (_, itemNode) in self.itemNodes {
|
|
itemNode.updateSelectionState()
|
|
}
|
|
}
|
|
|
|
func updateHiddenMedia() {
|
|
for (_, itemNode) in self.itemNodes {
|
|
itemNode.updateHiddenMedia()
|
|
}
|
|
}
|
|
|
|
func updateLayout(size: CGSize, insets: UIEdgeInsets, items: [TGMediaSelectableItem], grouped: Bool, theme: PresentationTheme, wallpaper: TelegramWallpaper, bubbleCorners: PresentationChatBubbleCorners, transition: ContainedViewLayoutTransition) {
|
|
let previous = self.validLayout
|
|
self.validLayout = (size, insets, items, grouped, theme, wallpaper, bubbleCorners)
|
|
|
|
if previous?.theme !== theme || previous?.wallpaper != wallpaper || previous?.bubbleCorners != bubbleCorners {
|
|
self.graphics = PresentationResourcesChat.principalGraphics(theme: theme, wallpaper: wallpaper, bubbleCorners: bubbleCorners)
|
|
}
|
|
|
|
var itemsTransition = transition
|
|
if previous?.grouped != grouped {
|
|
if let snapshotView = self.view.snapshotView(afterScreenUpdates: false) {
|
|
self.view.addSubview(snapshotView)
|
|
|
|
snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak snapshotView] _ in
|
|
snapshotView?.removeFromSuperview()
|
|
})
|
|
}
|
|
itemsTransition = .immediate
|
|
}
|
|
|
|
let inset: CGFloat = insets.left == 70 ? insets.left : 0.0
|
|
self.wallpaperBackgroundNode.update(wallpaper: wallpaper)
|
|
self.wallpaperBackgroundNode.updateBubbleTheme(bubbleTheme: theme, bubbleCorners: bubbleCorners)
|
|
transition.updateFrame(node: self.wallpaperBackgroundNode, frame: CGRect(origin: CGPoint(x: inset, y: 0.0), size: CGSize(width: size.width - inset * 2.0, height: size.height)))
|
|
self.wallpaperBackgroundNode.updateLayout(size: CGSize(width: size.width - inset * 2.0, height: size.height), transition: transition)
|
|
|
|
self.updateItems(transition: itemsTransition)
|
|
|
|
let bounds = CGRect(origin: CGPoint(), size: size)
|
|
transition.updateFrame(node: self.scrollNode, frame: bounds)
|
|
}
|
|
|
|
func transitionView(for identifier: String, hideSource: Bool) -> UIView? {
|
|
if hideSource {
|
|
for (_, node) in self.backgroundNodes {
|
|
node.alpha = 0.01
|
|
}
|
|
}
|
|
for (_, itemNode) in self.itemNodes {
|
|
if itemNode.asset.uniqueIdentifier == identifier {
|
|
if hideSource {
|
|
itemNode.alpha = 0.01
|
|
}
|
|
return itemNode.transitionView()
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
}
|
|
|
|
private class ReorderingGestureRecognizer: UIGestureRecognizer {
|
|
private let shouldBegin: (CGPoint) -> (allowed: Bool, requiresLongPress: Bool, itemNode: MediaPickerSelectedItemNode?)
|
|
private let willBegin: (CGPoint) -> Void
|
|
private let began: (MediaPickerSelectedItemNode) -> Void
|
|
private let ended: (CGPoint?) -> Void
|
|
private let moved: (CGPoint) -> Void
|
|
|
|
private var initialLocation: CGPoint?
|
|
private var longPressTimer: SwiftSignalKit.Timer?
|
|
|
|
private var itemNode: MediaPickerSelectedItemNode?
|
|
|
|
public init(shouldBegin: @escaping (CGPoint) -> (allowed: Bool, requiresLongPress: Bool, itemNode: MediaPickerSelectedItemNode?), willBegin: @escaping (CGPoint) -> Void, began: @escaping (MediaPickerSelectedItemNode) -> Void, ended: @escaping (CGPoint?) -> Void, moved: @escaping (CGPoint) -> Void) {
|
|
self.shouldBegin = shouldBegin
|
|
self.willBegin = willBegin
|
|
self.began = began
|
|
self.ended = ended
|
|
self.moved = moved
|
|
|
|
super.init(target: nil, action: nil)
|
|
}
|
|
|
|
deinit {
|
|
self.longPressTimer?.invalidate()
|
|
}
|
|
|
|
private func startLongPressTimer() {
|
|
self.longPressTimer?.invalidate()
|
|
let longPressTimer = SwiftSignalKit.Timer(timeout: 0.3, repeat: false, completion: { [weak self] in
|
|
self?.longPressTimerFired()
|
|
}, queue: Queue.mainQueue())
|
|
self.longPressTimer = longPressTimer
|
|
longPressTimer.start()
|
|
}
|
|
|
|
private func stopLongPressTimer() {
|
|
self.itemNode = nil
|
|
self.longPressTimer?.invalidate()
|
|
self.longPressTimer = nil
|
|
}
|
|
|
|
override public func reset() {
|
|
super.reset()
|
|
|
|
self.itemNode = nil
|
|
self.stopLongPressTimer()
|
|
self.initialLocation = nil
|
|
}
|
|
|
|
|
|
private func longPressTimerFired() {
|
|
guard let _ = self.initialLocation else {
|
|
return
|
|
}
|
|
|
|
self.state = .began
|
|
self.longPressTimer?.invalidate()
|
|
self.longPressTimer = nil
|
|
if let itemNode = self.itemNode {
|
|
self.began(itemNode)
|
|
}
|
|
}
|
|
|
|
private var currentItemNode: ASDisplayNode?
|
|
override public func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent) {
|
|
super.touchesBegan(touches, with: event)
|
|
|
|
if self.numberOfTouches > 1 {
|
|
self.state = .failed
|
|
self.ended(nil)
|
|
return
|
|
}
|
|
|
|
if self.state == .possible {
|
|
if let location = touches.first?.location(in: self.view) {
|
|
let (allowed, requiresLongPress, itemNode) = self.shouldBegin(location)
|
|
if allowed {
|
|
if let itemNode = itemNode {
|
|
itemNode.layer.animateScale(from: 1.0, to: 0.98, duration: 0.2, delay: 0.1)
|
|
}
|
|
self.itemNode = itemNode
|
|
self.initialLocation = location
|
|
if requiresLongPress {
|
|
self.startLongPressTimer()
|
|
} else {
|
|
self.state = .began
|
|
if let itemNode = self.itemNode {
|
|
self.began(itemNode)
|
|
}
|
|
}
|
|
} else {
|
|
self.state = .failed
|
|
}
|
|
} else {
|
|
self.state = .failed
|
|
}
|
|
}
|
|
}
|
|
|
|
override public func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent) {
|
|
super.touchesEnded(touches, with: event)
|
|
|
|
self.initialLocation = nil
|
|
|
|
if self.longPressTimer != nil {
|
|
self.stopLongPressTimer()
|
|
self.state = .failed
|
|
}
|
|
if self.state == .began || self.state == .changed {
|
|
if let location = touches.first?.location(in: self.view) {
|
|
self.ended(location)
|
|
} else {
|
|
self.ended(nil)
|
|
}
|
|
self.state = .failed
|
|
}
|
|
}
|
|
|
|
override public func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent) {
|
|
super.touchesCancelled(touches, with: event)
|
|
|
|
self.initialLocation = nil
|
|
|
|
if self.longPressTimer != nil {
|
|
self.stopLongPressTimer()
|
|
self.state = .failed
|
|
}
|
|
if self.state == .began || self.state == .changed {
|
|
self.ended(nil)
|
|
self.state = .failed
|
|
}
|
|
}
|
|
|
|
override public func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent) {
|
|
super.touchesMoved(touches, with: event)
|
|
|
|
if (self.state == .began || self.state == .changed), let initialLocation = self.initialLocation, let location = touches.first?.location(in: self.view) {
|
|
self.state = .changed
|
|
self.moved(CGPoint(x: location.x - initialLocation.x, y: location.y - initialLocation.y))
|
|
} else if let touch = touches.first, let initialTapLocation = self.initialLocation, self.longPressTimer != nil {
|
|
let touchLocation = touch.location(in: self.view)
|
|
let dX = touchLocation.x - initialTapLocation.x
|
|
let dY = touchLocation.y - initialTapLocation.y
|
|
|
|
if dX * dX + dY * dY > 3.0 * 3.0 {
|
|
self.itemNode?.layer.removeAllAnimations()
|
|
|
|
self.stopLongPressTimer()
|
|
self.initialLocation = nil
|
|
self.state = .failed
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
private func generateShadowImage(corners: CACornerMask, radius: CGFloat) -> UIImage? {
|
|
return generateImage(CGSize(width: 120.0, height: 120), rotatedContext: { size, context in
|
|
context.clear(CGRect(origin: CGPoint(), size: size))
|
|
|
|
// context.saveGState()
|
|
context.setShadow(offset: CGSize(), blur: 28.0, color: UIColor(white: 0.0, alpha: 0.4).cgColor)
|
|
|
|
var rectCorners: UIRectCorner = []
|
|
if corners.contains(.layerMinXMinYCorner) {
|
|
rectCorners.insert(.topLeft)
|
|
}
|
|
if corners.contains(.layerMaxXMinYCorner) {
|
|
rectCorners.insert(.topRight)
|
|
}
|
|
if corners.contains(.layerMinXMaxYCorner) {
|
|
rectCorners.insert(.bottomLeft)
|
|
}
|
|
if corners.contains(.layerMaxXMaxYCorner) {
|
|
rectCorners.insert(.bottomRight)
|
|
}
|
|
|
|
let path = UIBezierPath(roundedRect: CGRect(x: 30.0, y: 30.0, width: 60.0, height: 60.0), byRoundingCorners: rectCorners, cornerRadii: CGSize(width: radius, height: radius)).cgPath
|
|
context.addPath(path)
|
|
context.fillPath()
|
|
// context.restoreGState()
|
|
|
|
// context.setBlendMode(.clear)
|
|
// context.addPath(path)
|
|
// context.fillPath()
|
|
})?.stretchableImage(withLeftCapWidth: 60, topCapHeight: 60)
|
|
}
|
|
|
|
private final class CopyView: UIView {
|
|
let shadow: UIImageView
|
|
var snapshotView: UIView?
|
|
|
|
init(frame: CGRect, corners: CACornerMask, radius: CGFloat) {
|
|
self.shadow = UIImageView()
|
|
self.shadow.contentMode = .scaleToFill
|
|
|
|
super.init(frame: frame)
|
|
|
|
self.shadow.image = generateShadowImage(corners: corners, radius: radius)
|
|
|
|
self.addSubview(self.shadow)
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
}
|
|
|
|
private final class ReorderingItemNode: ASDisplayNode {
|
|
weak var itemNode: MediaPickerSelectedItemNode?
|
|
|
|
var currentState: (Int, Int)?
|
|
|
|
private let copyView: CopyView
|
|
private let initialLocation: CGPoint
|
|
|
|
init(itemNode: MediaPickerSelectedItemNode, initialLocation: CGPoint) {
|
|
self.itemNode = itemNode
|
|
self.copyView = CopyView(frame: CGRect(), corners: itemNode.corners, radius: itemNode.radius)
|
|
let snapshotView = itemNode.view.snapshotView(afterScreenUpdates: false)
|
|
self.initialLocation = initialLocation
|
|
|
|
super.init()
|
|
|
|
if let snapshotView = snapshotView {
|
|
snapshotView.frame = CGRect(origin: CGPoint(), size: itemNode.bounds.size)
|
|
snapshotView.bounds.origin = itemNode.bounds.origin
|
|
self.copyView.addSubview(snapshotView)
|
|
self.copyView.snapshotView = snapshotView
|
|
}
|
|
self.view.addSubview(self.copyView)
|
|
self.copyView.frame = CGRect(origin: CGPoint(x: initialLocation.x, y: initialLocation.y), size: itemNode.bounds.size)
|
|
self.copyView.shadow.frame = CGRect(origin: CGPoint(x: -30.0, y: -30.0), size: CGSize(width: itemNode.bounds.size.width + 60.0, height: itemNode.bounds.size.height + 60.0))
|
|
self.copyView.shadow.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25)
|
|
|
|
self.copyView.snapshotView?.layer.animateScale(from: 1.0, to: 1.05, duration: 0.2, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
|
|
self.copyView.shadow.layer.animateScale(from: 1.0, to: 1.05, duration: 0.2, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
|
|
}
|
|
|
|
func updateOffset(offset: CGPoint) {
|
|
self.copyView.frame = CGRect(origin: CGPoint(x: initialLocation.x + offset.x, y: initialLocation.y + offset.y), size: copyView.bounds.size)
|
|
}
|
|
|
|
func currentOffset() -> CGFloat? {
|
|
return self.copyView.center.y
|
|
}
|
|
|
|
func animateCompletion(completion: @escaping () -> Void) {
|
|
if let itemNode = self.itemNode {
|
|
itemNode.view.superview?.bringSubviewToFront(itemNode.view)
|
|
|
|
itemNode.layer.animateScale(from: 1.05, to: 1.0, duration: 0.25, removeOnCompletion: false)
|
|
|
|
let sourceFrame = self.view.convert(self.copyView.frame, to: itemNode.supernode?.view)
|
|
let targetFrame = itemNode.frame
|
|
itemNode.updateLayout(size: sourceFrame.size, transition: .immediate)
|
|
itemNode.layer.animateFrame(from: sourceFrame, to: targetFrame, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, completion: { _ in
|
|
completion()
|
|
})
|
|
itemNode.updateLayout(size: targetFrame.size, transition: .animated(duration: 0.3, curve: .spring))
|
|
|
|
itemNode.isHidden = false
|
|
self.copyView.isHidden = true
|
|
} else {
|
|
completion()
|
|
}
|
|
}
|
|
}
|