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Move capture protection to UITextField

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This commit is contained in:
Ali 2023-07-28 16:48:14 +04:00
parent a257155ab4
commit ac2596b2a1
1 changed files with 24 additions and 52 deletions
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76
submodules/TelegramUI/Components/Stories/StoryContainerScreen/Sources/StoryItemImageView.swift
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@ -15,7 +15,8 @@ import MultilineTextComponent
final class StoryItemImageView: UIView {
private let contentView: UIImageView
private var captureProtectedContentLayer: CaptureProtectedContentLayer?
private var captureProtectedView: UITextField?
private var captureProtectedInfo: ComponentView<Empty>?
private var currentMedia: EngineMedia?
@ -30,8 +31,6 @@ final class StoryItemImageView: UIView {
self.contentView.contentMode = .scaleAspectFill
super.init(frame: frame)
self.addSubview(self.contentView)
}
required init?(coder: NSCoder) {
@ -43,28 +42,27 @@ final class StoryItemImageView: UIView {
}
private func updateImage(image: UIImage, isCaptureProtected: Bool) {
self.contentView.image = image
if isCaptureProtected {
let captureProtectedContentLayer: CaptureProtectedContentLayer
if let current = self.captureProtectedContentLayer {
captureProtectedContentLayer = current
let captureProtectedView: UITextField
if let current = self.captureProtectedView {
captureProtectedView = current
} else {
captureProtectedContentLayer = CaptureProtectedContentLayer()
captureProtectedContentLayer.videoGravity = .resizeAspectFill
if #available(iOS 13.0, *) {
captureProtectedContentLayer.preventsCapture = true
captureProtectedContentLayer.preventsDisplaySleepDuringVideoPlayback = false
}
captureProtectedContentLayer.frame = self.contentView.frame
self.captureProtectedContentLayer = captureProtectedContentLayer
self.layer.addSublayer(captureProtectedContentLayer)
}
if let cmSampleBuffer = image.cmSampleBuffer {
captureProtectedContentLayer.enqueue(cmSampleBuffer)
captureProtectedView = UITextField(frame: self.contentView.frame)
captureProtectedView.isSecureTextEntry = true
self.captureProtectedView = captureProtectedView
self.layer.addSublayer(captureProtectedView.layer)
captureProtectedView.layer.sublayers?.first?.addSublayer(self.contentView.layer)
}
} else {
self.contentView.image = image
if self.contentView.layer.superlayer !== self.layer {
self.layer.addSublayer(self.contentView.layer)
}
if let captureProtectedView = self.captureProtectedView {
self.captureProtectedView = nil
captureProtectedView.layer.removeFromSuperlayer()
}
}
}
@ -86,20 +84,6 @@ final class StoryItemImageView: UIView {
dimensions = representation.dimensions.cgSize
if isMediaUpdated {
if isCaptureProtected {
if let thumbnailData = image.immediateThumbnailData.flatMap(decodeTinyThumbnail), let thumbnailImage = UIImage(data: thumbnailData) {
if let image = blurredImage(thumbnailImage, radius: 10.0, iterations: 3) {
self.updateImage(image: image, isCaptureProtected: false)
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1, execute: { [weak self] in
guard let self else {
return
}
self.contentView.image = nil
})
}
}
}
if attemptSynchronous, let path = context.account.postbox.mediaBox.completedResourcePath(id: representation.resource.id, pathExtension: nil) {
if #available(iOS 15.0, *) {
if let image = UIImage(contentsOfFile: path)?.preparingForDisplay() {
@ -159,20 +143,6 @@ final class StoryItemImageView: UIView {
dimensions = file.dimensions?.cgSize
if isMediaUpdated {
if isCaptureProtected {
if let thumbnailData = file.immediateThumbnailData.flatMap(decodeTinyThumbnail), let thumbnailImage = UIImage(data: thumbnailData) {
if let image = blurredImage(thumbnailImage, radius: 10.0, iterations: 3) {
self.updateImage(image: image, isCaptureProtected: false)
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1, execute: { [weak self] in
guard let self else {
return
}
self.contentView.image = nil
})
}
}
}
let cachedPath = context.account.postbox.mediaBox.cachedRepresentationCompletePath(file.resource.id, representation: CachedVideoFirstFrameRepresentation())
if attemptSynchronous, FileManager.default.fileExists(atPath: cachedPath) {
@ -234,10 +204,12 @@ final class StoryItemImageView: UIView {
if let dimensions {
let filledSize = dimensions.aspectFilled(size)
let contentFrame = CGRect(origin: CGPoint(x: floor((size.width - filledSize.width) * 0.5), y: floor((size.height - filledSize.height) * 0.5)), size: filledSize)
transition.setFrame(view: self.contentView, frame: contentFrame)
if let captureProtectedContentLayer = self.captureProtectedContentLayer {
transition.setFrame(layer: captureProtectedContentLayer, frame: contentFrame)
if let captureProtectedView = self.captureProtectedView {
transition.setFrame(view: self.contentView, frame: CGRect(origin: CGPoint(), size: contentFrame.size))
transition.setFrame(view: captureProtectedView, frame: contentFrame)
} else {
transition.setFrame(view: self.contentView, frame: contentFrame)
}
}