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Sources/StreamVideoSwiftUI/CallView/VideoRenderer/LocalVideoView.swift
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| // | ||
| // Copyright © 2024 Stream.io Inc. All rights reserved. | ||
| // | ||
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| import Foundation | ||
| import StreamVideo | ||
| import SwiftUI | ||
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| public struct LocalVideoView<Factory: ViewFactory>: View { | ||
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| @Injected(\.streamVideo) var streamVideo | ||
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| private let callSettings: CallSettings | ||
| private var viewFactory: Factory | ||
| private var participant: CallParticipant | ||
| private var idSuffix: String | ||
| private var call: Call? | ||
| private var availableFrame: CGRect | ||
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| public init( | ||
| viewFactory: Factory, | ||
| participant: CallParticipant, | ||
| idSuffix: String = "local", | ||
| callSettings: CallSettings, | ||
| call: Call?, | ||
| availableFrame: CGRect | ||
| ) { | ||
| self.viewFactory = viewFactory | ||
| self.participant = participant | ||
| self.idSuffix = idSuffix | ||
| self.callSettings = callSettings | ||
| self.call = call | ||
| self.availableFrame = availableFrame | ||
| } | ||
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| public var body: some View { | ||
| viewFactory.makeVideoParticipantView( | ||
| participant: participant, | ||
| id: "\(streamVideo.user.id)-\(idSuffix)", | ||
| availableFrame: availableFrame, | ||
| contentMode: .scaleAspectFill, | ||
| customData: ["videoOn": .bool(callSettings.videoOn)], | ||
| call: call | ||
| ) | ||
| .adjustVideoFrame(to: availableFrame.width, ratio: availableFrame.width / availableFrame.height) | ||
| } | ||
| } |
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160 changes: 160 additions & 0 deletions
160
Sources/StreamVideoSwiftUI/CallView/VideoRenderer/VideoRendererView.swift
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,160 @@ | ||
| // | ||
| // Copyright © 2024 Stream.io Inc. All rights reserved. | ||
| // | ||
|
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| import Combine | ||
| import Foundation | ||
| import StreamVideo | ||
| import SwiftUI | ||
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| /// A view that wraps a `VideoRenderer` and integrates with SwiftUI. | ||
| public struct VideoRendererView: UIViewRepresentable { | ||
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| /// The type of the `UIView` being represented. | ||
| public typealias UIViewType = VideoRenderer | ||
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| /// Injected dependency for accessing color configurations. | ||
| @Injected(\.colors) var colors | ||
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| /// The identifier for the video renderer. | ||
| var id: String | ||
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| /// The size of the video renderer view. | ||
| var size: CGSize | ||
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| /// The content mode for the video renderer. | ||
| var contentMode: UIView.ContentMode | ||
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| /// A flag to determine whether video should be shown. Optimizes rendering by using a dummy renderer when false. | ||
| var showVideo: Bool | ||
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| /// A closure to handle the rendering of the video. | ||
| var handleRendering: (VideoRenderer) -> Void | ||
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| /// Initializes a new instance of `VideoRendererView`. | ||
| /// - Parameters: | ||
| /// - id: The identifier for the video renderer. | ||
| /// - size: The size of the video renderer view. | ||
| /// - contentMode: The content mode for the video renderer. Default is `.scaleAspectFill`. | ||
| /// - showVideo: A flag to determine whether video should be shown. Default is `true`. | ||
| /// - handleRendering: A closure to handle the rendering of the video. | ||
| public init( | ||
| id: String, | ||
| size: CGSize, | ||
| contentMode: UIView.ContentMode = .scaleAspectFill, | ||
| showVideo: Bool = true, | ||
| handleRendering: @escaping (VideoRenderer) -> Void | ||
| ) { | ||
| self.id = id | ||
| self.size = size | ||
| self.handleRendering = handleRendering | ||
| self.showVideo = showVideo | ||
| self.contentMode = contentMode | ||
| } | ||
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| /// Dismantles the `UIView` when it is no longer needed. | ||
| /// - Parameters: | ||
| /// - uiView: The `VideoRenderer` to dismantle. | ||
| /// - coordinator: The coordinator associated with the view. | ||
| public static func dismantleUIView( | ||
| _ uiView: VideoRenderer, | ||
| coordinator: Coordinator | ||
| ) { | ||
| coordinator.dismantle() | ||
| } | ||
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| /// Creates the `VideoRenderer` view. | ||
| /// - Parameter context: The context containing information about the current state of the system. | ||
| /// - Returns: A configured `VideoRenderer` instance. | ||
| public func makeUIView(context: Context) -> VideoRenderer { | ||
| context.coordinator.renderer.frame = .init( | ||
| origin: context.coordinator.renderer.frame.origin, | ||
| size: size | ||
| ) | ||
| context.coordinator.renderer.videoContentMode = contentMode | ||
| context.coordinator.renderer.backgroundColor = colors.participantBackground | ||
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| if showVideo { | ||
| handleRendering(context.coordinator.renderer) | ||
| } | ||
| return context.coordinator.renderer | ||
| } | ||
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| /// Updates the `VideoRenderer` view when the state changes. | ||
| /// - Parameters: | ||
| /// - uiView: The `VideoRenderer` to update. | ||
| /// - context: The context containing information about the current state of the system. | ||
| public func updateUIView(_ uiView: VideoRenderer, context: Context) { | ||
| if showVideo { | ||
| handleRendering(uiView) | ||
| } | ||
| } | ||
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| /// Creates the coordinator for managing the view. | ||
| /// - Returns: A new `Coordinator` instance. | ||
| public func makeCoordinator() -> Coordinator { | ||
| Coordinator(handleRendering: handleRendering) | ||
| } | ||
| } | ||
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| /// Extension for `VideoRendererView` to define the `Coordinator` class. | ||
| extension VideoRendererView { | ||
| /// A class to coordinate the `VideoRendererView` and manage its lifecycle. | ||
| public final class Coordinator { | ||
| /// Injected dependency for accessing the video renderer pool. | ||
| @Injected(\.videoRendererPool) private var videoRendererPool | ||
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| /// A closure to handle the rendering of the video. | ||
| private let handleRendering: ((VideoRenderer) -> Void)? | ||
| /// A disposable bag to manage cancellable subscriptions. | ||
| private let disposableBag = DisposableBag() | ||
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| /// The video renderer managed by this coordinator. | ||
| fileprivate private(set) lazy var renderer: VideoRenderer = videoRendererPool | ||
| .acquireRenderer(size: .zero) | ||
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| /// Initializes a new instance of the coordinator. | ||
| /// - Parameter handleRendering: A closure to handle the rendering of the video. | ||
| init(handleRendering: ((VideoRenderer) -> Void)?) { | ||
| self.handleRendering = handleRendering | ||
| _ = renderer | ||
| setupRendererObservation() | ||
| } | ||
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| deinit { | ||
| dismantle() | ||
| } | ||
|
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| /// Dismantles the video renderer and releases resources. | ||
| func dismantle() { | ||
| renderer.track?.remove(renderer) | ||
| disposableBag.removeAll() | ||
| videoRendererPool.releaseRenderer(renderer) | ||
| } | ||
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| // MARK: Private API | ||
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| /// Sets up observation for the renderer's window and superview. | ||
| private func setupRendererObservation() { | ||
| renderer | ||
| .windowPublisher | ||
| .map { $0 != nil } | ||
| .removeDuplicates() | ||
| .sink { [weak self] in | ||
| guard let self else { return } | ||
| if $0 { handleRendering?(renderer) } | ||
| } | ||
| .store(in: disposableBag) | ||
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| renderer | ||
| .superviewPublisher | ||
| .map { $0 != nil } | ||
| .removeDuplicates() | ||
| .sink { [weak self] in | ||
| guard let self else { return } | ||
| if $0 { handleRendering?(renderer) } | ||
| } | ||
| .store(in: disposableBag) | ||
| } | ||
| } | ||
| } |
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