Swiftgram/submodules/InstantPageUI/Sources/InstantImageGalleryItem.swift
2020-07-19 19:05:30 +03:00

315 lines
18 KiB
Swift

import Foundation
import UIKit
import Display
import AsyncDisplayKit
import SwiftSignalKit
import Postbox
import TelegramCore
import SyncCore
import TelegramPresentationData
import AccountContext
import PhotoResources
import GalleryUI
private struct InstantImageGalleryThumbnailItem: GalleryThumbnailItem {
let account: Account
let mediaReference: AnyMediaReference
func image(synchronous: Bool) -> (Signal<(TransformImageArguments) -> DrawingContext?, NoError>, CGSize) {
if let imageReferene = mediaReference.concrete(TelegramMediaImage.self), let representation = largestImageRepresentation(imageReferene.media.representations) {
return (mediaGridMessagePhoto(account: self.account, photoReference: imageReferene), representation.dimensions.cgSize)
} else if let fileReference = mediaReference.concrete(TelegramMediaFile.self), let dimensions = fileReference.media.dimensions {
return (mediaGridMessageVideo(postbox: account.postbox, videoReference: fileReference), dimensions.cgSize)
} else {
return (.single({ _ in return nil }), CGSize(width: 128.0, height: 128.0))
}
}
func isEqual(to: GalleryThumbnailItem) -> Bool {
if let to = to as? InstantImageGalleryThumbnailItem {
return self.mediaReference == to.mediaReference
} else {
return false
}
}
}
class InstantImageGalleryItem: GalleryItem {
var id: AnyHashable {
return self.itemId
}
let itemId: AnyHashable
let context: AccountContext
let presentationData: PresentationData
let imageReference: ImageMediaReference
let caption: NSAttributedString
let credit: NSAttributedString
let location: InstantPageGalleryEntryLocation?
let openUrl: (InstantPageUrlItem) -> Void
let openUrlOptions: (InstantPageUrlItem) -> Void
init(context: AccountContext, presentationData: PresentationData, itemId: AnyHashable, imageReference: ImageMediaReference, caption: NSAttributedString, credit: NSAttributedString, location: InstantPageGalleryEntryLocation?, openUrl: @escaping (InstantPageUrlItem) -> Void, openUrlOptions: @escaping (InstantPageUrlItem) -> Void) {
self.itemId = itemId
self.context = context
self.presentationData = presentationData
self.imageReference = imageReference
self.caption = caption
self.credit = credit
self.location = location
self.openUrl = openUrl
self.openUrlOptions = openUrlOptions
}
func node(synchronous: Bool) -> GalleryItemNode {
let node = InstantImageGalleryItemNode(context: self.context, presentationData: self.presentationData, openUrl: self.openUrl, openUrlOptions: self.openUrlOptions)
node.setImage(imageReference: self.imageReference)
if let location = self.location {
node._title.set(.single(self.presentationData.strings.Items_NOfM("\(location.position + 1)", "\(location.totalCount)").0))
}
node.setCaption(self.caption, credit: self.credit)
return node
}
func updateNode(node: GalleryItemNode, synchronous: Bool) {
if let node = node as? InstantImageGalleryItemNode {
if let location = self.location {
node._title.set(.single(self.presentationData.strings.Items_NOfM("\(location.position + 1)", "\(location.totalCount)").0))
}
node.setCaption(self.caption, credit: self.credit)
}
}
func thumbnailItem() -> (Int64, GalleryThumbnailItem)? {
return (0, InstantImageGalleryThumbnailItem(account: self.context.account, mediaReference: imageReference.abstract))
}
}
final class InstantImageGalleryItemNode: ZoomableContentGalleryItemNode {
private let context: AccountContext
private let imageNode: TransformImageNode
fileprivate let _ready = Promise<Void>()
fileprivate let _title = Promise<String>()
private let footerContentNode: InstantPageGalleryFooterContentNode
private var contextAndMedia: (AccountContext, AnyMediaReference)?
private var fetchDisposable = MetaDisposable()
init(context: AccountContext, presentationData: PresentationData, openUrl: @escaping (InstantPageUrlItem) -> Void, openUrlOptions: @escaping (InstantPageUrlItem) -> Void) {
self.context = context
self.imageNode = TransformImageNode()
self.footerContentNode = InstantPageGalleryFooterContentNode(context: context, presentationData: presentationData)
self.footerContentNode.openUrl = openUrl
self.footerContentNode.openUrlOptions = openUrlOptions
super.init()
self.imageNode.imageUpdated = { [weak self] _ in
self?._ready.set(.single(Void()))
}
self.imageNode.view.contentMode = .scaleAspectFill
self.imageNode.clipsToBounds = true
}
deinit {
self.fetchDisposable.dispose()
}
override func ready() -> Signal<Void, NoError> {
return self._ready.get()
}
override func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
super.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
}
fileprivate func setCaption(_ caption: NSAttributedString, credit: NSAttributedString) {
self.footerContentNode.setCaption(caption, credit: credit)
}
fileprivate func setImage(imageReference: ImageMediaReference) {
if self.contextAndMedia == nil || !self.contextAndMedia!.1.media.isEqual(to: imageReference.media) {
if let largestSize = largestRepresentationForPhoto(imageReference.media) {
let displaySize = largestSize.dimensions.cgSize.fitted(CGSize(width: 1280.0, height: 1280.0)).dividedByScreenScale().integralFloor
self.imageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: displaySize, boundingSize: displaySize, intrinsicInsets: UIEdgeInsets(), emptyColor: .black))()
self.imageNode.setSignal(chatMessagePhoto(postbox: self.context.account.postbox, photoReference: imageReference), dispatchOnDisplayLink: false)
self.zoomableContent = (largestSize.dimensions.cgSize, self.imageNode)
self.fetchDisposable.set(fetchedMediaResource(mediaBox: self.context.account.postbox.mediaBox, reference: imageReference.resourceReference(largestSize.resource)).start())
} else {
self._ready.set(.single(Void()))
}
}
self.contextAndMedia = (self.context, imageReference.abstract)
self.footerContentNode.setShareMedia(imageReference.abstract)
}
func setFile(context: AccountContext, fileReference: FileMediaReference) {
if self.contextAndMedia == nil || !self.contextAndMedia!.1.media.isEqual(to: fileReference.media) {
if let largestSize = fileReference.media.dimensions {
let displaySize = largestSize.cgSize.dividedByScreenScale()
self.imageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: displaySize, boundingSize: displaySize, intrinsicInsets: UIEdgeInsets()))()
self.imageNode.setSignal(chatMessageImageFile(account: context.account, fileReference: fileReference, thumbnail: false), dispatchOnDisplayLink: false)
self.zoomableContent = (largestSize.cgSize, self.imageNode)
} else {
self._ready.set(.single(Void()))
}
}
self.contextAndMedia = (context, fileReference.abstract)
self.footerContentNode.setShareMedia(fileReference.abstract)
}
override func animateIn(from node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.imageNode.view)
let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.imageNode.view.superview)
let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
let transformedCopyViewFinalFrame = self.imageNode.view.convert(self.imageNode.view.bounds, to: self.view)
let surfaceCopyView = node.2().0!
let copyView = node.2().0!
addToTransitionSurface(surfaceCopyView)
var transformedSurfaceFrame: CGRect?
var transformedSurfaceFinalFrame: CGRect?
if let contentSurface = surfaceCopyView.superview {
transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
transformedSurfaceFinalFrame = self.imageNode.view.convert(self.imageNode.view.bounds, to: contentSurface)
}
if let transformedSurfaceFrame = transformedSurfaceFrame {
surfaceCopyView.frame = transformedSurfaceFrame
}
self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
copyView.frame = transformedSelfFrame
copyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2, removeOnCompletion: false)
surfaceCopyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false)
let positionDuration: Double = 0.21
copyView.layer.animatePosition(from: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), to: CGPoint(x: transformedCopyViewFinalFrame.midX, y: transformedCopyViewFinalFrame.midY), duration: positionDuration, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { [weak copyView] _ in
copyView?.removeFromSuperview()
})
let scale = CGSize(width: transformedCopyViewFinalFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewFinalFrame.size.height / transformedSelfFrame.size.height)
copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedSurfaceFinalFrame = transformedSurfaceFinalFrame {
surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), to: CGPoint(x: transformedCopyViewFinalFrame.midX, y: transformedCopyViewFinalFrame.midY), duration: positionDuration, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { [weak surfaceCopyView] _ in
surfaceCopyView?.removeFromSuperview()
})
let scale = CGSize(width: transformedSurfaceFinalFrame.size.width / transformedSurfaceFrame.size.width, height: transformedSurfaceFinalFrame.size.height / transformedSurfaceFrame.size.height)
surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
}
self.imageNode.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.imageNode.layer.position, duration: positionDuration, timingFunction: kCAMediaTimingFunctionSpring)
self.imageNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1)
transformedFrame.origin = CGPoint()
self.imageNode.layer.animateBounds(from: transformedFrame, to: self.imageNode.layer.bounds, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
/*self.statusNodeContainer.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.statusNodeContainer.position, duration: positionDuration, timingFunction: kCAMediaTimingFunctionSpring)
self.statusNodeContainer.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
self.statusNodeContainer.layer.animateScale(from: 0.5, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)*/
}
override func animateOut(to node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
self.fetchDisposable.set(nil)
var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.imageNode.view)
let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.imageNode.view.superview)
let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
let transformedCopyViewInitialFrame = self.imageNode.view.convert(self.imageNode.view.bounds, to: self.view)
var positionCompleted = false
var boundsCompleted = false
var copyCompleted = false
let copyView = node.2().0!
let surfaceCopyView = node.2().0!
addToTransitionSurface(surfaceCopyView)
var transformedSurfaceFrame: CGRect?
var transformedSurfaceCopyViewInitialFrame: CGRect?
if let contentSurface = surfaceCopyView.superview {
transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
transformedSurfaceCopyViewInitialFrame = self.imageNode.view.convert(self.imageNode.view.bounds, to: contentSurface)
}
self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
copyView.frame = transformedSelfFrame
let intermediateCompletion = { [weak copyView, weak surfaceCopyView] in
if positionCompleted && boundsCompleted && copyCompleted {
copyView?.removeFromSuperview()
surfaceCopyView?.removeFromSuperview()
completion()
}
}
copyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.08, removeOnCompletion: false)
surfaceCopyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.025, removeOnCompletion: false)
copyView.layer.animatePosition(from: CGPoint(x: transformedCopyViewInitialFrame.midX, y: transformedCopyViewInitialFrame.midY), to: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
let scale = CGSize(width: transformedCopyViewInitialFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewInitialFrame.size.height / transformedSelfFrame.size.height)
copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false, completion: { _ in
copyCompleted = true
intermediateCompletion()
})
if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedCopyViewInitialFrame = transformedSurfaceCopyViewInitialFrame {
surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedCopyViewInitialFrame.midX, y: transformedCopyViewInitialFrame.midY), to: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
let scale = CGSize(width: transformedCopyViewInitialFrame.size.width / transformedSurfaceFrame.size.width, height: transformedCopyViewInitialFrame.size.height / transformedSurfaceFrame.size.height)
surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
}
self.imageNode.layer.animatePosition(from: self.imageNode.layer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
positionCompleted = true
intermediateCompletion()
})
self.imageNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.08, removeOnCompletion: false)
transformedFrame.origin = CGPoint()
self.imageNode.layer.animateBounds(from: self.imageNode.layer.bounds, to: transformedFrame, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
boundsCompleted = true
intermediateCompletion()
})
/*self.statusNodeContainer.layer.animatePosition(from: self.statusNodeContainer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
self.statusNodeContainer.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, timingFunction: CAMediaTimingFunctionName.easeIn.rawValue, removeOnCompletion: false)*/
}
override func visibilityUpdated(isVisible: Bool) {
super.visibilityUpdated(isVisible: isVisible)
if let (context, media) = self.contextAndMedia, let fileReference = media.concrete(TelegramMediaFile.self) {
if isVisible {
self.fetchDisposable.set(fetchedMediaResource(mediaBox: context.account.postbox.mediaBox, reference: fileReference.resourceReference(fileReference.media.resource)).start())
} else {
self.fetchDisposable.set(nil)
}
}
}
override func title() -> Signal<String, NoError> {
return self._title.get()
}
override func footerContent() -> Signal<(GalleryFooterContentNode?, GalleryOverlayContentNode?), NoError> {
return .single((self.footerContentNode, nil))
}
}