Swiftgram/TelegramUI/ThemeGalleryController.swift
Peter Iakovlev 1c6cfdb7f6 no message
2018-03-21 00:56:38 +04:00

309 lines
14 KiB
Swift

import Foundation
import Display
import QuickLook
import Postbox
import SwiftSignalKit
import AsyncDisplayKit
import TelegramCore
enum ThemeGalleryEntry: Equatable {
case wallpaper(TelegramWallpaper)
static func ==(lhs: ThemeGalleryEntry, rhs: ThemeGalleryEntry) -> Bool {
switch lhs {
case let .wallpaper(wallpaper):
if case .wallpaper(wallpaper) = rhs {
return true
} else {
return false
}
}
}
}
final class ThemePreviewControllerPresentationArguments {
let transitionArguments: (ThemeGalleryEntry) -> GalleryTransitionArguments?
init(transitionArguments: @escaping (ThemeGalleryEntry) -> GalleryTransitionArguments?) {
self.transitionArguments = transitionArguments
}
}
class ThemeGalleryController: ViewController {
private var galleryNode: GalleryControllerNode {
return self.displayNode as! GalleryControllerNode
}
private let account: Account
private let _ready = Promise<Bool>()
override var ready: Promise<Bool> {
return self._ready
}
private var didSetReady = false
private let disposable = MetaDisposable()
private var entries: [ThemeGalleryEntry] = []
private var centralEntryIndex: Int?
private let centralItemTitle = Promise<String>()
private let centralItemTitleView = Promise<UIView?>()
private let centralItemNavigationStyle = Promise<GalleryItemNodeNavigationStyle>()
private let centralItemFooterContentNode = Promise<GalleryFooterContentNode?>()
private let centralItemAttributesDisposable = DisposableSet();
private var validLayout: (ContainerViewLayout, CGFloat)?
private var toolbarNode: ThemeGalleryToolbarNode?
private let _hiddenMedia = Promise<ThemeGalleryEntry?>(nil)
var hiddenMedia: Signal<ThemeGalleryEntry?, NoError> {
return self._hiddenMedia.get()
}
init(account: Account, wallpapers: [TelegramWallpaper], at centralWallpaper: TelegramWallpaper) {
self.account = account
super.init(navigationBarPresentationData: nil)
self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(self.donePressed))
self.statusBar.statusBarStyle = .Hide
let initialEntries: [ThemeGalleryEntry] = wallpapers.map { ThemeGalleryEntry.wallpaper($0) }
let entriesSignal: Signal<[ThemeGalleryEntry], NoError> = .single(initialEntries)
self.disposable.set((entriesSignal |> deliverOnMainQueue).start(next: { [weak self] entries in
if let strongSelf = self {
strongSelf.entries = entries
strongSelf.centralEntryIndex = wallpapers.index(of: centralWallpaper)!
if strongSelf.isViewLoaded {
strongSelf.galleryNode.pager.replaceItems(strongSelf.entries.map({ ThemeGalleryItem(account: account, entry: $0) }), centralItemIndex: strongSelf.centralEntryIndex, keepFirst: true)
let ready = strongSelf.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void())) |> afterNext { [weak strongSelf] _ in
strongSelf?.didSetReady = true
}
strongSelf._ready.set(ready |> map { true })
}
}
}))
self.centralItemAttributesDisposable.add(self.centralItemTitle.get().start(next: { [weak self] title in
self?.navigationItem.title = title
}))
self.centralItemAttributesDisposable.add(self.centralItemTitleView.get().start(next: { [weak self] titleView in
self?.navigationItem.titleView = titleView
}))
self.centralItemAttributesDisposable.add(self.centralItemFooterContentNode.get().start(next: { [weak self] footerContentNode in
self?.galleryNode.updatePresentationState({
$0.withUpdatedFooterContentNode(footerContentNode)
}, transition: .immediate)
}))
/*self.centralItemAttributesDisposable.add(self.centralItemNavigationStyle.get().start(next: { [weak self] style in
if let strongSelf = self {
switch style {
case .dark:
strongSelf.statusBar.statusBarStyle = .White
strongSelf.navigationBar.backgroundColor = UIColor(white: 0.0, alpha: 0.5)
strongSelf.navigationBar.stripeColor = UIColor.clear
strongSelf.navigationBar.foregroundColor = UIColor.white
strongSelf.navigationBar.accentColor = UIColor.white
strongSelf.galleryNode.backgroundNode.backgroundColor = UIColor.black
strongSelf.galleryNode.isBackgroundExtendedOverNavigationBar = true
case .light:
strongSelf.statusBar.statusBarStyle = .Black
strongSelf.navigationBar.backgroundColor = UIColor(red: 0.968626451, green: 0.968626451, blue: 0.968626451, alpha: 1.0)
strongSelf.navigationBar.foregroundColor = UIColor.black
strongSelf.navigationBar.accentColor = UIColor(rgb: 0x007ee5)
strongSelf.navigationBar.stripeColor = UIColor(red: 0.6953125, green: 0.6953125, blue: 0.6953125, alpha: 1.0)
strongSelf.galleryNode.backgroundNode.backgroundColor = UIColor(rgb: 0xbdbdc2)
strongSelf.galleryNode.isBackgroundExtendedOverNavigationBar = false
}
}
}))*/
self.statusBar.statusBarStyle = .Hide
/*strongSelf.navigationBar.stripeColor = UIColor.clear
strongSelf.navigationBar.foregroundColor = UIColor.white
strongSelf.navigationBar.accentColor = UIColor.white*/
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.disposable.dispose()
self.centralItemAttributesDisposable.dispose()
}
@objc func donePressed() {
self.dismiss(forceAway: false)
}
private func dismiss(forceAway: Bool) {
var animatedOutNode = true
var animatedOutInterface = false
let completion = { [weak self] in
if animatedOutNode && animatedOutInterface {
self?._hiddenMedia.set(.single(nil))
self?.presentingViewController?.dismiss(animated: false, completion: nil)
}
}
if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? ThemePreviewControllerPresentationArguments {
if !self.entries.isEmpty {
if centralItemNode.index == 0, let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]), !forceAway {
animatedOutNode = false
centralItemNode.animateOut(to: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface, completion: {
animatedOutNode = true
completion()
})
}
}
}
self.galleryNode.animateOut(animateContent: animatedOutNode, completion: {
animatedOutInterface = true
completion()
})
}
override func loadDisplayNode() {
let controllerInteraction = GalleryControllerInteraction(presentController: { [weak self] controller, arguments in
if let strongSelf = self {
strongSelf.present(controller, in: .window(.root), with: arguments)
}
}, dismissController: { [weak self] in
self?.dismiss(forceAway: true)
}, replaceRootController: { [weak self] controller, ready in
if let strongSelf = self {
//strongSelf.replaceRootController(controller, ready)
}
})
self.displayNode = GalleryControllerNode(controllerInteraction: controllerInteraction, pageGap: 0.0)
self.displayNodeDidLoad()
//self.galleryNode.statusBar = self.statusBar
self.galleryNode.navigationBar = self.navigationBar
self.galleryNode.transitionDataForCentralItem = { [weak self] in
if let strongSelf = self {
if let centralItemNode = strongSelf.galleryNode.pager.centralItemNode(), let presentationArguments = strongSelf.presentationArguments as? ThemePreviewControllerPresentationArguments {
if let transitionArguments = presentationArguments.transitionArguments(strongSelf.entries[centralItemNode.index]) {
return (transitionArguments.transitionNode, transitionArguments.addToTransitionSurface)
}
}
}
return nil
}
self.galleryNode.dismiss = { [weak self] in
self?._hiddenMedia.set(.single(nil))
self?.presentingViewController?.dismiss(animated: false, completion: nil)
}
self.galleryNode.pager.centralItemIndexUpdated = { [weak self] index in
if let strongSelf = self {
var hiddenItem: ThemeGalleryEntry?
if let index = index {
hiddenItem = strongSelf.entries[index]
if let node = strongSelf.galleryNode.pager.centralItemNode() {
strongSelf.centralItemTitle.set(node.title())
strongSelf.centralItemTitleView.set(node.titleView())
strongSelf.centralItemNavigationStyle.set(node.navigationStyle())
strongSelf.centralItemFooterContentNode.set(node.footerContent())
}
}
if strongSelf.didSetReady {
strongSelf._hiddenMedia.set(.single(hiddenItem))
}
}
}
self.galleryNode.backgroundNode.backgroundColor = nil
self.galleryNode.backgroundNode.isOpaque = false
self.galleryNode.isBackgroundExtendedOverNavigationBar = true
let toolbarNode = ThemeGalleryToolbarNode()
self.toolbarNode = toolbarNode
self.galleryNode.addSubnode(toolbarNode)
self.galleryNode.toolbarNode = toolbarNode
toolbarNode.cancel = { [weak self] in
self?.dismiss(forceAway: true)
}
toolbarNode.done = { [weak self] in
if let strongSelf = self {
if let centralItemNode = strongSelf.galleryNode.pager.centralItemNode() {
if !strongSelf.entries.isEmpty {
let wallpaper: TelegramWallpaper
switch strongSelf.entries[centralItemNode.index] {
case let .wallpaper(value):
wallpaper = value
}
let _ = (updatePresentationThemeSettingsInteractively(postbox: strongSelf.account.postbox, { current in
if case .color(0x000000) = wallpaper {
return PresentationThemeSettings(chatWallpaper: wallpaper, theme: current.theme, fontSize: .regular)
}
return PresentationThemeSettings(chatWallpaper: wallpaper, theme: current.theme, fontSize: current.fontSize)
}) |> deliverOnMainQueue).start(completed: {
self?.dismiss(forceAway: true)
})
}
}
}
}
let ready = self.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void())) |> afterNext { [weak self] _ in
self?.didSetReady = true
}
self._ready.set(ready |> map { true })
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
var nodeAnimatesItself = false
if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? ThemePreviewControllerPresentationArguments {
self.centralItemTitle.set(centralItemNode.title())
self.centralItemTitleView.set(centralItemNode.titleView())
self.centralItemNavigationStyle.set(centralItemNode.navigationStyle())
self.centralItemFooterContentNode.set(centralItemNode.footerContent())
if let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]) {
nodeAnimatesItself = true
centralItemNode.animateIn(from: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface)
self._hiddenMedia.set(.single(self.entries[centralItemNode.index]))
}
}
self.galleryNode.animateIn(animateContent: !nodeAnimatesItself)
}
override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
super.containerLayoutUpdated(layout, transition: transition)
self.galleryNode.frame = CGRect(origin: CGPoint(), size: layout.size)
self.galleryNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
transition.updateFrame(node: self.toolbarNode!, frame: CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - 49.0), size: CGSize(width: layout.size.width, height: 49.0)))
self.toolbarNode!.updateLayout(size: CGSize(width: layout.size.width, height: 49.0), transition: transition)
let replace = self.validLayout == nil
self.validLayout = (layout, 0.0)
if replace {
self.galleryNode.pager.replaceItems(self.entries.map({ ThemeGalleryItem(account: self.account, entry: $0) }), centralItemIndex: self.centralEntryIndex)
}
}
}