video: add DamusVideoPlayer view

damus/Views/Video/DamusVideoPlayer.swift

@@ -0,0 +1,69 @@
+//
+//  VideoPlayerView.swift
+//  damus
+//
+//  Created by William Casarin on 2023-04-05.
+//
+
+import SwiftUI
+
+struct DamusVideoPlayer: View {
+    var url: URL
+    @StateObject var model: VideoPlayerModel = VideoPlayerModel()
+    @Binding var video_size: CGSize?
+    
+    var mute_icon: String {
+        if model.muted {
+            return "speaker.slash"
+        } else {
+            return "speaker"
+        }
+    }
+    
+    var MuteIcon: some View {
+        ZStack {
+            Circle()
+                .opacity(0.2)
+                .frame(width: 32, height: 32)
+                .foregroundColor(.black)
+            
+            Image(systemName: mute_icon)
+                .onTapGesture {
+                    model.muted = !model.muted
+                }
+                .padding()
+                .foregroundColor(.white)
+        }
+    }
+    
+    var body: some View {
+        ZStack(alignment: .bottomTrailing) {
+            VideoPlayer(url: url, model: model)
+                .onAppear{
+                    model.start()
+                }
+                .onDisappear {
+                    model.stop()
+                }
+            
+            MuteIcon
+        }
+        .onTapGesture {
+            self.model.muted = !self.model.muted
+        }
+        .onChange(of: model.size) { size in
+            guard let size else {
+                return
+            }
+            video_size = size
+        }
+    }
+}
+struct DamusVideoPlayer_Previews: PreviewProvider {
+    @StateObject static var model: VideoPlayerModel = VideoPlayerModel()
+    @State static var video_size: CGSize? = nil
+    
+    static var previews: some View {
+        DamusVideoPlayer(url: URL(string: "http://cdn.jb55.com/s/zaps-build.mp4")!, model: model, video_size: $video_size)
+    }
+}