Video improvements

2025-12-23 22:55:00 +00:00 · 2024-11-08 16:26:01 +01:00
parent bae29f301e
commit 3797f3af4f
31 changed files with 773 additions and 314 deletions
--- a/submodules/TelegramUniversalVideoContent/Sources/WebViewHLSJSContextImpl.swift
+++ b/submodules/TelegramUniversalVideoContent/Sources/WebViewHLSJSContextImpl.swift
@@ -0,0 +1,76 @@
+import Foundation
+import UIKit
+@preconcurrency import WebKit
+import SwiftSignalKit
+
+private class WeakScriptMessageHandler: NSObject, WKScriptMessageHandler {
+    private let f: (WKScriptMessage) -> ()
+    
+    init(_ f: @escaping (WKScriptMessage) -> ()) {
+        self.f = f
+        
+        super.init()
+    }
+    
+    func userContentController(_ controller: WKUserContentController, didReceive scriptMessage: WKScriptMessage) {
+        self.f(scriptMessage)
+    }
+}
+
+final class WebViewHLSJSContextImpl: HLSJSContext {
+    let webView: WKWebView
+    
+    init(handleScriptMessage: @escaping ([String: Any]) -> Void) {
+        let config = WKWebViewConfiguration()
+        config.allowsInlineMediaPlayback = true
+        config.mediaTypesRequiringUserActionForPlayback = []
+        config.allowsPictureInPictureMediaPlayback = true
+        
+        let userController = WKUserContentController()
+        
+        var handleScriptMessageImpl: (([String: Any]) -> Void)?
+        userController.add(WeakScriptMessageHandler { message in
+            guard let body = message.body as? [String: Any] else {
+                return
+            }
+            handleScriptMessageImpl?(body)
+        }, name: "performAction")
+        
+        let isDebug: Bool
+        #if DEBUG
+        isDebug = true
+        #else
+        isDebug = false
+        #endif
+        
+        config.userContentController = userController
+        
+        let webView = WKWebView(frame: CGRect(origin: CGPoint(), size: CGSize(width: 100.0, height: 100.0)), configuration: config)
+        self.webView = webView
+        
+        webView.scrollView.isScrollEnabled = false
+        webView.allowsLinkPreview = false
+        webView.allowsBackForwardNavigationGestures = false
+        webView.accessibilityIgnoresInvertColors = true
+        webView.scrollView.contentInsetAdjustmentBehavior = .never
+        webView.alpha = 0.0
+        
+        if #available(iOS 16.4, *) {
+            webView.isInspectable = isDebug
+        }
+        
+        handleScriptMessageImpl = { message in
+            Queue.mainQueue().async {
+                handleScriptMessage(message)
+            }
+        }
+        
+        let bundle = Bundle(for: WebViewHLSJSContextImpl.self)
+        let bundlePath = bundle.bundlePath + "/HlsBundle.bundle"
+        webView.loadFileURL(URL(fileURLWithPath: bundlePath + "/index.html"), allowingReadAccessTo: URL(fileURLWithPath: bundlePath))
+    }
+    
+    func evaluateJavaScript(_ string: String) {
+        self.webView.evaluateJavaScript(string, completionHandler: nil)
+    }
+}