SVN r1190

SVN-Revision: r1190
2026-06-01 01:53:15 +00:00
parent 6245aa0768
commit 141493a620
23 changed files with 1491 additions and 278 deletions
@@ -6,4 +6,71 @@ using Xilium.CefGlue;

 namespace Lskj.Control.BrowserSetting
 {
-    public class BsRequestHandle
+    public class BsRequestHandler : CefRequestHandler
+    {
+        private readonly CefResourceRequestHandler externalProtocolResourceRequestHandler = new BsExternalProtocolResourceRequestHandler();
+
+        protected override CefResourceRequestHandler GetResourceRequestHandler(CefBrowser browser, CefFrame frame, CefRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
+        {
+            if (BsExternalProtocolHandler.IsPrintProtocol(request.Url))
+                return externalProtocolResourceRequestHandler;
+
+            return null;
+        }
+
+        protected override bool OnBeforeBrowse(CefBrowser browser, CefFrame frame, CefRequest request, bool userGesture, bool isRedirect)
+        {
+            string url = request.Url;
+
+            if (BsExternalProtocolHandler.IsPrintProtocol(url))
+            {
+                if (frame == null || frame.IsMain)
+                {
+                    BsExternalProtocolHandler.TryHandle(url);
+                    return true;
+                }
+
+                return false;
+            }
+
+            return base.OnBeforeBrowse(browser, frame, request, userGesture, isRedirect);
+        }
+
+        protected override bool OnOpenUrlFromTab(CefBrowser browser, CefFrame frame, string targetUrl, CefWindowOpenDisposition targetDisposition, bool userGesture)
+        {
+            if (BsExternalProtocolHandler.TryHandle(targetUrl))
+                return true;
+
+            return base.OnOpenUrlFromTab(browser, frame, targetUrl, targetDisposition, userGesture);
+        }
+
+        protected override void OnRenderProcessTerminated(CefBrowser browser, CefTerminationStatus status)
+        {
+            browser.Reload();
+        }
+    }
+
+    internal static class BsExternalProtocolHandler
+    {
+        private const string PrintProtocol = "lskjprint:";
+
+        public static bool IsPrintProtocol(string url)
+        {
+            return !string.IsNullOrEmpty(url) && url.StartsWith(PrintProtocol, StringComparison.OrdinalIgnoreCase);
+        }
+
+        public static bool TryHandle(string url)
+        {
+            if (!IsPrintProtocol(url))
+                return false;
+
+            try
+            {
+                var processStartInfo = new System.Diagnostics.ProcessStartInfo(url)
+                {
+                    UseShellExecute = true
+                };
+                System.Diagnostics.Process.Start(processStartInfo);
+            }
+            catch (Exception ex)
+