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Closes: #1254 Reviewed-by: William Casarin <[email protected]> Signed-off-by: William Casarin <[email protected]> Changelog-Added: Added a custom camera view
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,212 @@ | ||
| // | ||
| // CameraView.swift | ||
| // damus | ||
| // | ||
| // Created by Suhail Saqan on 8/5/23. | ||
| // | ||
|
|
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| import SwiftUI | ||
| import Combine | ||
| import AVFoundation | ||
|
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| struct CameraView: View { | ||
| let damus_state: DamusState | ||
| let action: (([MediaItem]) -> Void) | ||
|
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| @Environment(\.presentationMode) var presentationMode | ||
|
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| @StateObject var model: CameraModel | ||
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| @State var currentZoomFactor: CGFloat = 1.0 | ||
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| public init(damus_state: DamusState, action: @escaping (([MediaItem]) -> Void)) { | ||
| self.damus_state = damus_state | ||
| self.action = action | ||
| _model = StateObject(wrappedValue: CameraModel()) | ||
| } | ||
|
|
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| var captureButton: some View { | ||
| Button { | ||
| if model.isRecording { | ||
| withAnimation { | ||
| model.stopRecording() | ||
| } | ||
| } else { | ||
| withAnimation { | ||
| model.capturePhoto() | ||
| } | ||
| } | ||
| UIImpactFeedbackGenerator(style: .medium).impactOccurred() | ||
| } label: { | ||
| ZStack { | ||
| Circle() | ||
| .fill( model.isRecording ? .red : DamusColors.black) | ||
| .frame(width: model.isRecording ? 85 : 65, height: model.isRecording ? 85 : 65, alignment: .center) | ||
|
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| Circle() | ||
| .stroke( model.isRecording ? .red : DamusColors.white, lineWidth: 4) | ||
| .frame(width: model.isRecording ? 95 : 75, height: model.isRecording ? 95 : 75, alignment: .center) | ||
| } | ||
| .frame(alignment: .center) | ||
| } | ||
| .simultaneousGesture( | ||
| LongPressGesture(minimumDuration: 0.5).onEnded({ value in | ||
| if (!model.isCameraButtonDisabled) { | ||
| withAnimation { | ||
| model.startRecording() | ||
| model.captureMode = .video | ||
| } | ||
| } | ||
| }) | ||
| ) | ||
| .buttonStyle(.plain) | ||
| } | ||
|
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| var capturedPhotoThumbnail: some View { | ||
| ZStack { | ||
| if model.thumbnail != nil { | ||
| Image(uiImage: model.thumbnail.thumbnailImage!) | ||
| .resizable() | ||
| .aspectRatio(contentMode: .fill) | ||
| .frame(width: 60, height: 60) | ||
| .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous)) | ||
| } | ||
| if model.isPhotoProcessing { | ||
| ProgressView() | ||
| .progressViewStyle(CircularProgressViewStyle(tint: DamusColors.white)) | ||
| } | ||
| } | ||
| } | ||
|
|
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| var closeButton: some View { | ||
| Button { | ||
| presentationMode.wrappedValue.dismiss() | ||
| model.stop() | ||
| } label: { | ||
| HStack { | ||
| Image(systemName: "xmark") | ||
| .font(.system(size: 24)) | ||
| } | ||
| .frame(minWidth: 40, minHeight: 40) | ||
| } | ||
| .accentColor(DamusColors.white) | ||
| } | ||
|
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| var flipCameraButton: some View { | ||
| Button(action: { | ||
| model.flipCamera() | ||
| }, label: { | ||
| HStack { | ||
| Image(systemName: "camera.rotate.fill") | ||
| .font(.system(size: 20)) | ||
| } | ||
| .frame(minWidth: 40, minHeight: 40) | ||
| }) | ||
| .accentColor(DamusColors.white) | ||
| } | ||
|
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||
| var toggleFlashButton: some View { | ||
| Button(action: { | ||
| model.switchFlash() | ||
| }, label: { | ||
| HStack { | ||
| Image(systemName: model.isFlashOn ? "bolt.fill" : "bolt.slash.fill") | ||
| .font(.system(size: 20)) | ||
| } | ||
| .frame(minWidth: 40, minHeight: 40) | ||
| }) | ||
| .accentColor(model.isFlashOn ? .yellow : DamusColors.white) | ||
| } | ||
|
|
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| var body: some View { | ||
| NavigationView { | ||
| GeometryReader { reader in | ||
| ZStack { | ||
| DamusColors.black.edgesIgnoringSafeArea(.all) | ||
|
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| CameraPreview(session: model.session) | ||
| .padding(.bottom, 175) | ||
| .edgesIgnoringSafeArea(.all) | ||
| .gesture( | ||
| DragGesture().onChanged({ (val) in | ||
| if abs(val.translation.height) > abs(val.translation.width) { | ||
| let percentage: CGFloat = -(val.translation.height / reader.size.height) | ||
| let calc = currentZoomFactor + percentage | ||
| let zoomFactor: CGFloat = min(max(calc, 1), 5) | ||
|
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| currentZoomFactor = zoomFactor | ||
| model.zoom(with: zoomFactor) | ||
| } | ||
| }) | ||
| ) | ||
| .onAppear { | ||
| model.configure() | ||
| } | ||
| .alert(isPresented: $model.showAlertError, content: { | ||
| Alert(title: Text(model.alertError.title), message: Text(model.alertError.message), dismissButton: .default(Text(model.alertError.primaryButtonTitle), action: { | ||
| model.alertError.primaryAction?() | ||
| })) | ||
| }) | ||
| .overlay( | ||
| Group { | ||
| if model.willCapturePhoto { | ||
| Color.black | ||
| } | ||
| } | ||
| ) | ||
|
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| VStack { | ||
| if !model.isRecording { | ||
| HStack { | ||
| closeButton | ||
|
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| Spacer() | ||
|
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| HStack { | ||
| flipCameraButton | ||
| toggleFlashButton | ||
| } | ||
| } | ||
| .padding(.horizontal, 20) | ||
| } | ||
|
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| Spacer() | ||
|
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| HStack(alignment: .center) { | ||
| if !model.mediaItems.isEmpty { | ||
| NavigationLink(destination: Text(model.mediaItems.map { $0.url.absoluteString }.joined(separator: ", "))) { | ||
| capturedPhotoThumbnail | ||
| } | ||
| .frame(width: 100, alignment: .leading) | ||
| } | ||
|
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| Spacer() | ||
|
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| captureButton | ||
|
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| Spacer() | ||
|
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| if !model.mediaItems.isEmpty { | ||
| Button(action: { | ||
| action(model.mediaItems) | ||
| presentationMode.wrappedValue.dismiss() | ||
| model.stop() | ||
| }) { | ||
| Text("Upload") | ||
| .frame(width: 100, height: 40, alignment: .center) | ||
| .foregroundColor(DamusColors.white) | ||
| .overlay { | ||
| RoundedRectangle(cornerRadius: 24) | ||
| .stroke(DamusColors.white, lineWidth: 2) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| .frame(height: 100) | ||
| .padding([.horizontal, .vertical], 20) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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