Swiftgram/submodules/TelegramCallsUI/Sources/VoiceChatCameraPreviewController.swift
2021-04-23 19:14:29 +04:00

284 lines
12 KiB
Swift

import Foundation
import UIKit
import SwiftSignalKit
import AsyncDisplayKit
import Display
import Postbox
import TelegramCore
import SyncCore
import TelegramPresentationData
import AccountContext
import UrlEscaping
private final class VoiceChatCameraPreviewAlertContentNode: AlertContentNode {
private let strings: PresentationStrings
private let title: String
private let text: String
private let backgroundNode: ASDisplayNode
private let maskNode: ASImageNode
private let titleNode: ASTextNode
private let textNode: ASTextNode
private let actionNodesSeparator: ASDisplayNode
private let actionNodes: [TextAlertContentActionNode]
private let actionVerticalSeparators: [ASDisplayNode]
private let disposable = MetaDisposable()
private var validLayout: CGSize?
private let hapticFeedback = HapticFeedback()
override var dismissOnOutsideTap: Bool {
return self.isUserInteractionEnabled
}
init(theme: AlertControllerTheme, ptheme: PresentationTheme, strings: PresentationStrings, actions: [TextAlertAction], title: String, text: String) {
self.strings = strings
self.title = title
self.text = text
self.backgroundNode = ASDisplayNode()
self.backgroundNode.clipsToBounds = true
self.backgroundNode.backgroundColor = UIColor(rgb: 0x161619)
self.maskNode = ASImageNode()
self.maskNode.displaysAsynchronously = false
self.maskNode.contentMode = .scaleToFill
self.maskNode.image = generateImage(CGSize(width: 300.0, height: 400.0), rotatedContext: { size, context in
let bounds = CGRect(origin: CGPoint(), size: size)
context.clear(bounds)
context.setFillColor(UIColor(rgb: 0x000000, alpha: 0.3).cgColor)
context.fill(bounds)
context.setBlendMode(.clear)
context.fillEllipse(in: CGRect(x: 27.0, y: 37.0, width: 246.0, height: 300.0))
})
self.titleNode = ASTextNode()
self.titleNode.maximumNumberOfLines = 2
self.textNode = ASTextNode()
self.textNode.maximumNumberOfLines = 8
self.actionNodesSeparator = ASDisplayNode()
self.actionNodesSeparator.isLayerBacked = true
self.actionNodes = actions.map { action -> TextAlertContentActionNode in
return TextAlertContentActionNode(theme: theme, action: action)
}
var actionVerticalSeparators: [ASDisplayNode] = []
if actions.count > 1 {
for _ in 0 ..< actions.count - 1 {
let separatorNode = ASDisplayNode()
separatorNode.isLayerBacked = true
actionVerticalSeparators.append(separatorNode)
}
}
self.actionVerticalSeparators = actionVerticalSeparators
super.init()
self.addSubnode(self.backgroundNode)
self.addSubnode(self.titleNode)
self.addSubnode(self.textNode)
self.addSubnode(self.actionNodesSeparator)
for actionNode in self.actionNodes {
self.addSubnode(actionNode)
}
for separatorNode in self.actionVerticalSeparators {
self.addSubnode(separatorNode)
}
self.backgroundNode.addSubnode(self.maskNode)
self.updateTheme(theme)
}
deinit {
self.disposable.dispose()
}
override func updateTheme(_ theme: AlertControllerTheme) {
self.titleNode.attributedText = NSAttributedString(string: self.title, font: Font.bold(17.0), textColor: theme.primaryColor, paragraphAlignment: .center)
self.textNode.attributedText = NSAttributedString(string: self.text, font: Font.regular(13.0), textColor: theme.primaryColor, paragraphAlignment: .center)
self.actionNodesSeparator.backgroundColor = theme.separatorColor
for actionNode in self.actionNodes {
actionNode.updateTheme(theme)
}
for separatorNode in self.actionVerticalSeparators {
separatorNode.backgroundColor = theme.separatorColor
}
if let size = self.validLayout {
_ = self.updateLayout(size: size, transition: .immediate)
}
}
override func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) -> CGSize {
var size = size
size.width = min(size.width, 300.0)
let measureSize = CGSize(width: size.width - 16.0 * 2.0, height: CGFloat.greatestFiniteMagnitude)
let hadValidLayout = self.validLayout != nil
self.validLayout = size
var origin: CGPoint = CGPoint(x: 0.0, y: 18.0)
let spacing: CGFloat = 3.0
let videoHeight: CGFloat = 400.0
origin.y += videoHeight
let titleSize = self.titleNode.measure(measureSize)
transition.updateFrame(node: self.titleNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - titleSize.width) / 2.0), y: origin.y), size: titleSize))
origin.y += titleSize.height + 4.0
let textSize = self.textNode.measure(measureSize)
transition.updateFrame(node: self.textNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - textSize.width) / 2.0), y: origin.y), size: textSize))
origin.y += textSize.height + 6.0
let actionButtonHeight: CGFloat = 44.0
var minActionsWidth: CGFloat = 0.0
let maxActionWidth: CGFloat = floor(size.width / CGFloat(self.actionNodes.count))
let actionTitleInsets: CGFloat = 8.0
var effectiveActionLayout = TextAlertContentActionLayout.horizontal
for actionNode in self.actionNodes {
let actionTitleSize = actionNode.titleNode.updateLayout(CGSize(width: maxActionWidth, height: actionButtonHeight))
if case .horizontal = effectiveActionLayout, actionTitleSize.height > actionButtonHeight * 0.6667 {
effectiveActionLayout = .vertical
}
switch effectiveActionLayout {
case .horizontal:
minActionsWidth += actionTitleSize.width + actionTitleInsets
case .vertical:
minActionsWidth = max(minActionsWidth, actionTitleSize.width + actionTitleInsets)
}
}
let insets = UIEdgeInsets(top: 18.0, left: 18.0, bottom: 18.0, right: 18.0)
var contentWidth = max(titleSize.width, minActionsWidth)
contentWidth = max(contentWidth, 300.0)
var actionsHeight: CGFloat = 0.0
switch effectiveActionLayout {
case .horizontal:
actionsHeight = actionButtonHeight
case .vertical:
actionsHeight = actionButtonHeight * CGFloat(self.actionNodes.count)
}
let resultWidth = contentWidth
let resultSize = CGSize(width: resultWidth, height: titleSize.height + textSize.height + spacing + videoHeight + spacing + actionsHeight + insets.top + insets.bottom)
transition.updateFrame(node: self.backgroundNode, frame: CGRect(origin: CGPoint(), size: CGSize(width: resultWidth, height: videoHeight)))
transition.updateFrame(node: self.maskNode, frame: CGRect(origin: CGPoint(), size: CGSize(width: resultWidth, height: videoHeight)))
transition.updateFrame(node: self.actionNodesSeparator, frame: CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel)))
var actionOffset: CGFloat = 0.0
let actionWidth: CGFloat = floor(resultSize.width / CGFloat(self.actionNodes.count))
var separatorIndex = -1
var nodeIndex = 0
for actionNode in self.actionNodes {
if separatorIndex >= 0 {
let separatorNode = self.actionVerticalSeparators[separatorIndex]
switch effectiveActionLayout {
case .horizontal:
transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: actionOffset - UIScreenPixel, y: resultSize.height - actionsHeight), size: CGSize(width: UIScreenPixel, height: actionsHeight - UIScreenPixel)))
case .vertical:
transition.updateFrame(node: separatorNode, frame: CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset - UIScreenPixel), size: CGSize(width: resultSize.width, height: UIScreenPixel)))
}
}
separatorIndex += 1
let currentActionWidth: CGFloat
switch effectiveActionLayout {
case .horizontal:
if nodeIndex == self.actionNodes.count - 1 {
currentActionWidth = resultSize.width - actionOffset
} else {
currentActionWidth = actionWidth
}
case .vertical:
currentActionWidth = resultSize.width
}
let actionNodeFrame: CGRect
switch effectiveActionLayout {
case .horizontal:
actionNodeFrame = CGRect(origin: CGPoint(x: actionOffset, y: resultSize.height - actionsHeight), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
actionOffset += currentActionWidth
case .vertical:
actionNodeFrame = CGRect(origin: CGPoint(x: 0.0, y: resultSize.height - actionsHeight + actionOffset), size: CGSize(width: currentActionWidth, height: actionButtonHeight))
actionOffset += actionButtonHeight
}
transition.updateFrame(node: actionNode, frame: actionNodeFrame)
nodeIndex += 1
}
if !hadValidLayout {
Queue.mainQueue().after(0.1) {
self.maskNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
self.maskNode.layer.animateSpring(from: 1.4 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: 0.4, initialVelocity: 0.0, damping: 104.0)
}
}
return resultSize
}
}
func voiceChatCameraPreviewController(sharedContext: SharedAccountContext, account: Account, forceTheme: PresentationTheme?, title: String, text: String, apply: @escaping () -> Void) -> AlertController {
var presentationData = sharedContext.currentPresentationData.with { $0 }
if let forceTheme = forceTheme {
presentationData = presentationData.withUpdated(theme: forceTheme)
}
var dismissImpl: ((Bool) -> Void)?
var applyImpl: (() -> Void)?
let actions: [TextAlertAction] = [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_Cancel, action: {
dismissImpl?(true)
}), TextAlertAction(type: .defaultAction, title: presentationData.strings.VoiceChat_VideoPreviewShare, action: {
applyImpl?()
})]
let contentNode = VoiceChatCameraPreviewAlertContentNode(theme: AlertControllerTheme(presentationData: presentationData), ptheme: presentationData.theme, strings: presentationData.strings, actions: actions, title: title, text: text)
applyImpl = { [weak contentNode] in
guard let contentNode = contentNode else {
return
}
dismissImpl?(true)
}
let controller = AlertController(theme: AlertControllerTheme(presentationData: presentationData), contentNode: contentNode)
let presentationDataDisposable = sharedContext.presentationData.start(next: { [weak controller, weak contentNode] presentationData in
var presentationData = presentationData
if let forceTheme = forceTheme {
presentationData = presentationData.withUpdated(theme: forceTheme)
}
controller?.theme = AlertControllerTheme(presentationData: presentationData)
})
controller.dismissed = {
presentationDataDisposable.dispose()
}
dismissImpl = { [weak controller, weak contentNode] animated in
if animated {
controller?.dismissAnimated()
} else {
controller?.dismiss()
}
}
return controller
}