112 lines
3.4 KiB
Swift
112 lines
3.4 KiB
Swift
//
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// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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public import SignalServiceKit
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// MARK: -
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public class LinkPreviewCallLink: LinkPreviewState {
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private let linkPreview: OWSLinkPreview
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public let conversationStyle: ConversationStyle?
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public init(
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linkPreview: OWSLinkPreview,
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conversationStyle: ConversationStyle?
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) {
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self.linkPreview = linkPreview
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self.conversationStyle = conversationStyle
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}
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public var isLoaded: Bool { true }
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public var urlString: String? {
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guard let urlString = linkPreview.urlString else {
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owsFailDebug("Missing url")
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return nil
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}
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return urlString
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}
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public var displayDomain: String? {
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guard let displayDomain = linkPreview.displayDomain else {
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Logger.error("Missing display domain")
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return nil
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}
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return displayDomain
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}
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public var title: String? {
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linkPreview.title?.filterForDisplay.nilIfEmpty ?? CallStrings.signalCall
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}
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public var imageState: LinkPreviewImageState {
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// Image is a local asset.
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return .loaded
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}
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public func imageAsync(thumbnailQuality: AttachmentThumbnailQuality, completion: @escaping (UIImage) -> Void) {
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if let image = CommonCallLinksUI.callLinkIcon() {
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completion(image)
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}
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}
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public func imageCacheKey(thumbnailQuality: AttachmentThumbnailQuality) -> LinkPreviewImageCacheKey? { return nil }
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public var imagePixelSize: CGSize {
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return CGSize(square: CommonCallLinksUI.Constants.circleViewDimension)
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}
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public var previewDescription: String? {
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return linkPreview.previewDescription?.filterForDisplay.nilIfEmpty ?? CallStrings.callLinkDescription
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}
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public var date: Date? { linkPreview.date }
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public let isGroupInviteLink = false
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public var activityIndicatorStyle: UIActivityIndicatorView.Style {
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LinkPreviewView.defaultActivityIndicatorStyle
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}
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}
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public class CommonCallLinksUI {
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public static func callLinkIcon() -> UIImage? {
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guard let image = UIImage(named: "video-compact") else { return nil }
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let newSize = CGSize(square: Constants.circleViewDimension)
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let renderer = UIGraphicsImageRenderer(size: newSize)
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let finalImage = renderer.image { context in
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let rect = CGRect(origin: .zero, size: newSize)
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let circlePath = UIBezierPath(ovalIn: rect)
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Constants.iconBackgroundColor.setFill()
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circlePath.fill()
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context.cgContext.addPath(circlePath.cgPath)
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context.cgContext.clip()
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Constants.iconTintColor.set()
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let centerOffset = Constants.circleViewDimension/2 - Constants.iconDimension/2
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let imageRect = CGRect(
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x: centerOffset,
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y: centerOffset,
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width: Constants.iconDimension,
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height: Constants.iconDimension
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)
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image.withRenderingMode(.alwaysTemplate).draw(in: imageRect)
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}
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return finalImage
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}
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public enum Constants {
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public static let circleViewDimension: CGFloat = 64
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fileprivate static let iconDimension: CGFloat = 36
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fileprivate static let iconBackgroundColor = UIColor(rgbHex: 0xE4E4FD)
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fileprivate static let iconTintColor = UIColor(rgbHex: 0x5151F6)
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}
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}
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