mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
630 lines
27 KiB
Swift
630 lines
27 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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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 TelegramUIPreferences
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import AccountContext
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import TelegramStringFormatting
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import UIKitRuntimeUtils
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public enum AttachmentButtonType: Equatable {
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case gallery
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case file
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case location
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case contact
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case poll
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case app(String)
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}
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public protocol AttachmentContainable: ViewController {
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var requestAttachmentMenuExpansion: () -> Void { get set }
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var updateNavigationStack: (@escaping ([AttachmentContainable]) -> ([AttachmentContainable], AttachmentMediaPickerContext?)) -> Void { get set }
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var updateTabBarAlpha: (CGFloat, ContainedViewLayoutTransition) -> Void { get set }
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var cancelPanGesture: () -> Void { get set }
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func resetForReuse()
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func prepareForReuse()
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func requestDismiss(completion: @escaping () -> Void)
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}
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public extension AttachmentContainable {
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func resetForReuse() {
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}
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func prepareForReuse() {
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}
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func requestDismiss(completion: @escaping () -> Void) {
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completion()
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}
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}
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public enum AttachmentMediaPickerSendMode {
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case media
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case files
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}
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public protocol AttachmentMediaPickerContext {
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var selectionCount: Signal<Int, NoError> { get }
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var caption: Signal<NSAttributedString?, NoError> { get }
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func setCaption(_ caption: NSAttributedString)
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func send(silently: Bool, mode: AttachmentMediaPickerSendMode)
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func schedule()
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}
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private func generateShadowImage() -> UIImage? {
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return generateImage(CGSize(width: 140.0, height: 140.0), rotatedContext: { size, context in
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context.clear(CGRect(origin: CGPoint(), size: size))
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context.saveGState()
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context.setShadow(offset: CGSize(), blur: 60.0, color: UIColor(white: 0.0, alpha: 0.4).cgColor)
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let path = UIBezierPath(roundedRect: CGRect(x: 60.0, y: 60.0, width: 20.0, height: 20.0), cornerRadius: 10.0).cgPath
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context.addPath(path)
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context.fillPath()
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context.restoreGState()
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context.setBlendMode(.clear)
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context.addPath(path)
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context.fillPath()
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})?.stretchableImage(withLeftCapWidth: 70, topCapHeight: 70)
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}
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private func generateMaskImage() -> UIImage? {
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return generateImage(CGSize(width: 390.0, height: 220.0), rotatedContext: { size, context in
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context.clear(CGRect(origin: CGPoint(), size: size))
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context.setFillColor(UIColor.white.cgColor)
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let path = UIBezierPath(roundedRect: CGRect(x: 0.0, y: 0.0, width: 390.0, height: 209.0), cornerRadius: 10.0).cgPath
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context.addPath(path)
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context.fillPath()
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try? drawSvgPath(context, path: "M183.219,208.89 H206.781 C205.648,208.89 204.567,209.371 203.808,210.214 L197.23,217.523 C196.038,218.848 193.962,218.848 192.77,217.523 L186.192,210.214 C185.433,209.371 184.352,208.89 183.219,208.89 Z ")
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})?.stretchableImage(withLeftCapWidth: 195, topCapHeight: 110)
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}
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public class AttachmentController: ViewController {
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private let context: AccountContext
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private let updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)?
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private let chatLocation: ChatLocation
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private let buttons: [AttachmentButtonType]
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public var mediaPickerContext: AttachmentMediaPickerContext? {
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get {
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return self.node.mediaPickerContext
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}
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set {
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self.node.mediaPickerContext = newValue
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}
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}
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private let _ready = Promise<Bool>()
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override public var ready: Promise<Bool> {
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return self._ready
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}
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private final class Node: ASDisplayNode {
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private weak var controller: AttachmentController?
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private let dim: ASDisplayNode
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private let shadowNode: ASImageNode
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private let container: AttachmentContainer
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let panel: AttachmentPanel
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private var currentType: AttachmentButtonType?
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private var currentControllers: [AttachmentContainable] = []
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private var validLayout: ContainerViewLayout?
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private var modalProgress: CGFloat = 0.0
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private var isDismissing = false
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private let captionDisposable = MetaDisposable()
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private let mediaSelectionCountDisposable = MetaDisposable()
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private var selectionCount: Int = 0
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fileprivate var mediaPickerContext: AttachmentMediaPickerContext? {
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didSet {
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if let mediaPickerContext = self.mediaPickerContext {
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self.captionDisposable.set((mediaPickerContext.caption
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|> deliverOnMainQueue).start(next: { [weak self] caption in
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if let strongSelf = self {
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strongSelf.panel.updateCaption(caption ?? NSAttributedString())
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}
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}))
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self.mediaSelectionCountDisposable.set((mediaPickerContext.selectionCount
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|> deliverOnMainQueue).start(next: { [weak self] count in
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if let strongSelf = self {
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strongSelf.updateSelectionCount(count)
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}
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}))
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} else {
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self.updateSelectionCount(0)
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self.mediaSelectionCountDisposable.set(nil)
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}
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}
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}
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private let wrapperNode: ASDisplayNode
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init(controller: AttachmentController) {
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self.controller = controller
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self.dim = ASDisplayNode()
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self.dim.alpha = 0.0
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self.dim.backgroundColor = UIColor(white: 0.0, alpha: 0.25)
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self.shadowNode = ASImageNode()
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self.shadowNode.isUserInteractionEnabled = false
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self.wrapperNode = ASDisplayNode()
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self.wrapperNode.clipsToBounds = true
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self.container = AttachmentContainer()
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self.container.canHaveKeyboardFocus = true
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self.panel = AttachmentPanel(context: controller.context, chatLocation: controller.chatLocation, updatedPresentationData: controller.updatedPresentationData)
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super.init()
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self.addSubnode(self.dim)
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self.addSubnode(self.shadowNode)
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self.addSubnode(self.wrapperNode)
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self.container.controllerRemoved = { [weak self] controller in
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if let strongSelf = self, let layout = strongSelf.validLayout, !strongSelf.isDismissing {
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strongSelf.currentControllers = strongSelf.currentControllers.filter { $0 !== controller }
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strongSelf.containerLayoutUpdated(layout, transition: .immediate)
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}
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}
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self.container.updateModalProgress = { [weak self] progress, transition in
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if let strongSelf = self, let layout = strongSelf.validLayout, !strongSelf.isDismissing {
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strongSelf.controller?.updateModalStyleOverlayTransitionFactor(progress, transition: transition)
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strongSelf.modalProgress = progress
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strongSelf.containerLayoutUpdated(layout, transition: transition)
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}
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}
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self.container.isReadyUpdated = { [weak self] in
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if let strongSelf = self, let layout = strongSelf.validLayout {
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strongSelf.containerLayoutUpdated(layout, transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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self.container.interactivelyDismissed = { [weak self] in
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if let strongSelf = self {
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strongSelf.controller?.dismiss(animated: true)
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}
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}
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self.panel.selectionChanged = { [weak self] type, ascending in
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if let strongSelf = self {
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return strongSelf.switchToController(type, ascending)
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} else {
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return false
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}
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}
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self.panel.beganTextEditing = { [weak self] in
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if let strongSelf = self {
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strongSelf.container.update(isExpanded: true, transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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self.panel.textUpdated = { [weak self] text in
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if let strongSelf = self {
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strongSelf.mediaPickerContext?.setCaption(text)
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}
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}
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self.panel.sendMessagePressed = { [weak self] mode in
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if let strongSelf = self {
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switch mode {
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case .generic:
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strongSelf.mediaPickerContext?.send(silently: false, mode: .media)
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case .silent:
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strongSelf.mediaPickerContext?.send(silently: true, mode: .media)
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case .schedule:
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strongSelf.mediaPickerContext?.schedule()
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}
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}
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}
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self.panel.requestLayout = { [weak self] in
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if let strongSelf = self, let layout = strongSelf.validLayout {
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strongSelf.containerLayoutUpdated(layout, transition: .animated(duration: 0.2, curve: .easeInOut))
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}
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}
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self.panel.present = { [weak self] c in
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if let strongSelf = self {
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strongSelf.controller?.present(c, in: .window(.root))
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}
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}
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self.panel.presentInGlobalOverlay = { [weak self] c in
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if let strongSelf = self {
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strongSelf.controller?.presentInGlobalOverlay(c, with: nil)
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}
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}
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}
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deinit {
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self.captionDisposable.dispose()
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self.mediaSelectionCountDisposable.dispose()
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}
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override func didLoad() {
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super.didLoad()
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self.dim.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
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let _ = self.switchToController(.gallery, false)
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}
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private func updateSelectionCount(_ count: Int) {
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self.selectionCount = count
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if let layout = self.validLayout {
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self.containerLayoutUpdated(layout, transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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@objc func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
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guard !self.isDismissing else {
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return
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}
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if case .ended = recognizer.state {
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if let controller = self.currentControllers.last {
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controller.requestDismiss(completion: { [weak self] in
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self?.controller?.dismiss(animated: true)
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})
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} else {
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self.controller?.dismiss(animated: true)
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}
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}
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}
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func switchToController(_ type: AttachmentButtonType, _ ascending: Bool) -> Bool {
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guard self.currentType != type else {
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if self.animating {
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return false
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}
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if let controller = self.currentControllers.last {
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controller.scrollToTopWithTabBar?()
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controller.requestAttachmentMenuExpansion()
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}
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return true
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}
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let previousType = self.currentType
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self.currentType = type
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self.controller?.requestController(type, { [weak self] controller, mediaPickerContext in
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if let strongSelf = self {
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if let controller = controller {
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strongSelf.controller?._ready.set(controller.ready.get())
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controller._presentedInModal = true
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controller.navigation_setPresenting(strongSelf.controller)
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controller.requestAttachmentMenuExpansion = { [weak self] in
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self?.container.update(isExpanded: true, transition: .animated(duration: 0.4, curve: .spring))
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}
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controller.updateNavigationStack = { [weak self] f in
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if let strongSelf = self {
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let (controllers, mediaPickerContext) = f(strongSelf.currentControllers)
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strongSelf.currentControllers = controllers
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strongSelf.mediaPickerContext = mediaPickerContext
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if let layout = strongSelf.validLayout {
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strongSelf.containerLayoutUpdated(layout, transition: .animated(duration: 0.4, curve: .spring))
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}
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}
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}
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controller.updateTabBarAlpha = { [weak self, weak controller] alpha, transition in
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if let strongSelf = self, strongSelf.currentControllers.contains(where: { $0 === controller }) {
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strongSelf.panel.updateBackgroundAlpha(alpha, transition: transition)
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}
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}
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controller.cancelPanGesture = { [weak self] in
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if let strongSelf = self {
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strongSelf.container.cancelPanGesture()
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}
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}
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let previousController = strongSelf.currentControllers.last
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strongSelf.currentControllers = [controller]
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if previousType != nil {
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strongSelf.animateSwitchTransition(controller, previousController: previousController)
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}
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if let layout = strongSelf.validLayout {
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strongSelf.switchingController = true
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strongSelf.containerLayoutUpdated(layout, transition: .animated(duration: 0.3, curve: .spring))
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strongSelf.switchingController = false
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}
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}
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strongSelf.mediaPickerContext = mediaPickerContext
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}
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})
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return true
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}
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private func animateSwitchTransition(_ controller: AttachmentContainable, previousController: AttachmentContainable?) {
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guard let snapshotView = self.container.container.view.snapshotView(afterScreenUpdates: false) else {
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return
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}
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snapshotView.frame = self.container.container.frame
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self.container.clipNode.view.addSubview(snapshotView)
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let _ = (controller.ready.get()
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|> filter {
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$0
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}
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|> take(1)
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|> deliverOnMainQueue).start(next: { [weak self, weak snapshotView] _ in
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guard let strongSelf = self, let layout = strongSelf.validLayout else {
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return
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}
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if case .compact = layout.metrics.widthClass {
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let offset = 25.0
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let initialPosition = strongSelf.container.clipNode.layer.position
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let targetPosition = initialPosition.offsetBy(dx: 0.0, dy: offset)
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var startPosition = initialPosition
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if let presentation = strongSelf.container.clipNode.layer.presentation() {
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startPosition = presentation.position
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}
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strongSelf.container.clipNode.layer.animatePosition(from: startPosition, to: targetPosition, duration: 0.2, removeOnCompletion: false, completion: { [weak self] finished in
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if let strongSelf = self, finished {
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strongSelf.container.clipNode.layer.animateSpring(from: NSValue(cgPoint: targetPosition), to: NSValue(cgPoint: initialPosition), keyPath: "position", duration: 0.4, delay: 0.0, initialVelocity: 0.0, damping: 70.0, removeOnCompletion: false, completion: { [weak self] finished in
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if finished {
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self?.container.clipNode.layer.removeAllAnimations()
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}
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})
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}
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})
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}
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snapshotView?.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.23, removeOnCompletion: false, completion: { [weak snapshotView] _ in
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snapshotView?.removeFromSuperview()
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previousController?.resetForReuse()
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})
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})
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}
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private var animating = false
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func animateIn() {
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guard let layout = self.validLayout else {
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return
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}
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self.animating = true
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if case .regular = layout.metrics.widthClass {
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self.animating = false
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ContainedViewLayoutTransition.animated(duration: 0.3, curve: .linear).updateAlpha(node: self.dim, alpha: 0.1)
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} else {
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ContainedViewLayoutTransition.animated(duration: 0.3, curve: .linear).updateAlpha(node: self.dim, alpha: 1.0)
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let targetPosition = self.container.position
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let startPosition = targetPosition.offsetBy(dx: 0.0, dy: self.bounds.height)
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self.container.position = startPosition
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let transition = ContainedViewLayoutTransition.animated(duration: 0.4, curve: .spring)
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transition.animateView(allowUserInteraction: true, {
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self.container.position = targetPosition
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}, completion: { _ in
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self.animating = false
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})
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}
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}
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func animateOut(completion: @escaping () -> Void = {}) {
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self.isDismissing = true
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guard let layout = self.validLayout else {
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return
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}
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self.animating = true
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if case .regular = layout.metrics.widthClass {
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self.layer.allowsGroupOpacity = true
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self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { [weak self] _ in
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let _ = self?.container.dismiss(transition: .immediate, completion: completion)
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self?.animating = false
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})
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} else {
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let positionTransition: ContainedViewLayoutTransition = .animated(duration: 0.25, curve: .easeInOut)
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positionTransition.updatePosition(node: self.container, position: CGPoint(x: self.container.position.x, y: self.bounds.height + self.container.bounds.height / 2.0), completion: { [weak self] _ in
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let _ = self?.container.dismiss(transition: .immediate, completion: completion)
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self?.animating = false
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})
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let alphaTransition: ContainedViewLayoutTransition = .animated(duration: 0.25, curve: .easeInOut)
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alphaTransition.updateAlpha(node: self.dim, alpha: 0.0)
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self.controller?.updateModalStyleOverlayTransitionFactor(0.0, transition: positionTransition)
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}
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}
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func scrollToTop() {
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self.currentControllers.last?.scrollToTop?()
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}
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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if let controller = self.controller, controller.isInteractionDisabled() {
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return self.view
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} else {
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let result = super.hitTest(point, with: event)
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if result == self.wrapperNode.view {
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return self.dim.view
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}
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return result
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}
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}
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private var isUpdatingContainer = false
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private var switchingController = false
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func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
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self.validLayout = layout
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transition.updateFrame(node: self.dim, frame: CGRect(origin: CGPoint(), size: layout.size))
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var containerLayout = layout
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let containerRect: CGRect
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if case .regular = layout.metrics.widthClass {
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let availableHeight = layout.size.height - (layout.inputHeight ?? 0.0) - 60.0
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let size = CGSize(width: 390.0, height: min(620.0, availableHeight))
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let insets = layout.insets(options: [.input])
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let masterWidth = min(max(320.0, floor(layout.size.width / 3.0)), floor(layout.size.width / 2.0))
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let position: CGPoint = CGPoint(x: masterWidth - 174.0, y: layout.size.height - size.height - insets.bottom - 40.0)
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containerRect = CGRect(origin: position, size: size)
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containerLayout.size = containerRect.size
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containerLayout.intrinsicInsets.bottom = 12.0
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containerLayout.inputHeight = nil
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if self.wrapperNode.view.mask == nil {
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let maskView = UIImageView()
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maskView.image = generateMaskImage()
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maskView.contentMode = .scaleToFill
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self.wrapperNode.view.mask = maskView
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}
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if let maskView = self.wrapperNode.view.mask {
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transition.updateFrame(view: maskView, frame: CGRect(origin: CGPoint(), size: size))
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}
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self.shadowNode.alpha = 1.0
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if self.shadowNode.image == nil {
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self.shadowNode.image = generateShadowImage()
|
|
}
|
|
} else {
|
|
containerRect = CGRect(origin: CGPoint(), size: layout.size)
|
|
|
|
self.wrapperNode.cornerRadius = 0.0
|
|
self.shadowNode.alpha = 0.0
|
|
|
|
self.wrapperNode.view.mask = nil
|
|
}
|
|
|
|
let isEffecitvelyCollapsedUpdated = (self.selectionCount > 0) != (self.panel.isSelecting)
|
|
let panelHeight = self.panel.update(layout: containerLayout, buttons: self.controller?.buttons ?? [], isSelecting: self.selectionCount > 0, transition: transition)
|
|
var panelTransition = transition
|
|
if isEffecitvelyCollapsedUpdated {
|
|
panelTransition = .animated(duration: 0.25, curve: .easeInOut)
|
|
}
|
|
panelTransition.updateFrame(node: self.panel, frame: CGRect(origin: CGPoint(x: 0.0, y: containerRect.height - panelHeight), size: CGSize(width: containerRect.width, height: panelHeight)))
|
|
|
|
var shadowFrame = containerRect.insetBy(dx: -60.0, dy: -60.0)
|
|
shadowFrame.size.height -= 12.0
|
|
transition.updateFrame(node: self.shadowNode, frame: shadowFrame)
|
|
transition.updateFrame(node: self.wrapperNode, frame: containerRect)
|
|
|
|
if !self.isUpdatingContainer && !self.isDismissing {
|
|
self.isUpdatingContainer = true
|
|
|
|
let containerTransition: ContainedViewLayoutTransition
|
|
if self.container.supernode == nil {
|
|
containerTransition = .immediate
|
|
} else {
|
|
containerTransition = transition
|
|
}
|
|
|
|
let controllers = self.currentControllers
|
|
containerTransition.updateFrame(node: self.container, frame: CGRect(origin: CGPoint(), size: containerRect.size))
|
|
|
|
var containerInsets = containerLayout.intrinsicInsets
|
|
containerInsets.bottom = panelHeight
|
|
let containerLayout = containerLayout.withUpdatedIntrinsicInsets(containerInsets)
|
|
|
|
self.container.update(layout: containerLayout, controllers: controllers, coveredByModalTransition: 0.0, transition: self.switchingController ? .immediate : transition)
|
|
|
|
if self.container.supernode == nil, !controllers.isEmpty && self.container.isReady {
|
|
self.wrapperNode.addSubnode(self.container)
|
|
self.container.addSubnode(self.panel)
|
|
|
|
self.animateIn()
|
|
}
|
|
|
|
self.isUpdatingContainer = false
|
|
}
|
|
}
|
|
}
|
|
|
|
public var requestController: (AttachmentButtonType, @escaping (AttachmentContainable?, AttachmentMediaPickerContext?) -> Void) -> Void = { _, completion in
|
|
completion(nil, nil)
|
|
}
|
|
|
|
public init(context: AccountContext, updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)? = nil, chatLocation: ChatLocation, buttons: [AttachmentButtonType]) {
|
|
self.context = context
|
|
self.updatedPresentationData = updatedPresentationData
|
|
self.chatLocation = chatLocation
|
|
self.buttons = buttons
|
|
|
|
super.init(navigationBarPresentationData: nil)
|
|
|
|
self.statusBar.statusBarStyle = .Ignore
|
|
self.blocksBackgroundWhenInOverlay = true
|
|
self.acceptsFocusWhenInOverlay = true
|
|
|
|
self.scrollToTop = { [weak self] in
|
|
if let strongSelf = self {
|
|
strongSelf.node.scrollToTop()
|
|
}
|
|
}
|
|
}
|
|
|
|
deinit {
|
|
print()
|
|
}
|
|
|
|
public required init(coder aDecoder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
private var node: Node {
|
|
return self.displayNode as! Node
|
|
}
|
|
|
|
open override func loadDisplayNode() {
|
|
self.displayNode = Node(controller: self)
|
|
self.displayNodeDidLoad()
|
|
}
|
|
|
|
public func _dismiss() {
|
|
super.dismiss(animated: false, completion: {})
|
|
}
|
|
|
|
public override func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) {
|
|
self.view.endEditing(true)
|
|
if flag {
|
|
self.node.animateOut(completion: { [weak self] in
|
|
self?._dismiss()
|
|
completion?()
|
|
})
|
|
} else {
|
|
super.dismiss(animated: false, completion: {})
|
|
completion?()
|
|
}
|
|
}
|
|
|
|
private func isInteractionDisabled() -> Bool {
|
|
return false
|
|
}
|
|
|
|
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
|
super.containerLayoutUpdated(layout, transition: transition)
|
|
|
|
self.node.containerLayoutUpdated(layout, transition: transition)
|
|
}
|
|
}
|