From 017969fba3f1d5ea9d6f3a2b640d67113a187812 Mon Sep 17 00:00:00 2001
From: ParantezTech <12572227+par274@users.noreply.github.com>
Date: Wed, 7 Oct 2026 02:43:10 +0300
Subject: [PATCH] [CommonDialog] Add the web browser dialog lifecycle

Co-authored-by: Sekai <140012992+igettingit@users.noreply.github.com>
---
 .../CommonDialog/WebBrowserDialogExports.cs   | 171 ++++++++++++++++++
 src/SharpEmu.Libs/Stubs/GameServiceStubs.cs   |   8 -
 2 files changed, 171 insertions(+), 8 deletions(-)
 create mode 100644 src/SharpEmu.Libs/CommonDialog/WebBrowserDialogExports.cs

diff --git a/src/SharpEmu.Libs/CommonDialog/WebBrowserDialogExports.cs b/src/SharpEmu.Libs/CommonDialog/WebBrowserDialogExports.cs
new file mode 100644
index 0000000..78340d0
--- /dev/null
+++ b/src/SharpEmu.Libs/CommonDialog/WebBrowserDialogExports.cs
@@ -0,0 +1,171 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Threading;
+using SharpEmu.HLE;
+
+namespace SharpEmu.Libs.CommonDialog;
+
+/// <summary>
+/// Headless lifecycle for the system web-browser dialog. SharpEmu does not yet
+/// provide a host browser, so an opened dialog completes on its first status
+/// poll instead of leaving games in an infinite RUNNING loop.
+/// </summary>
+public static class WebBrowserDialogExports
+{
+    internal const int StatusNone = 0;
+    internal const int StatusInitialized = 1;
+    internal const int StatusRunning = 2;
+    internal const int StatusFinished = 3;
+
+    private const int ErrorOk = 0;
+    private const int ErrorNotInitialized = unchecked((int)0x80B80003);
+    private const int ErrorNotFinished = unchecked((int)0x80B80005);
+    private const int ErrorNotRunning = unchecked((int)0x80B8000B);
+    private const int ErrorArgNull = unchecked((int)0x80B8000D);
+
+    private static int _status;
+
+    [SysAbiExport(
+        Nid = "jqb7HntFQFc",
+        ExportName = "sceWebBrowserDialogInitialize",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogInitialize(CpuContext ctx)
+    {
+        Interlocked.CompareExchange(ref _status, StatusInitialized, StatusNone);
+        return ctx.SetReturn(ErrorOk);
+    }
+
+    [SysAbiExport(
+        Nid = "FraP7debcdg",
+        ExportName = "sceWebBrowserDialogOpen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogOpen(CpuContext ctx) => Open(ctx);
+
+    [SysAbiExport(
+        Nid = "O7dIZQrwVFY",
+        ExportName = "sceWebBrowserDialogOpenForPredeterminedContent",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogOpenForPredeterminedContent(CpuContext ctx) => Open(ctx);
+
+    private static int Open(CpuContext ctx)
+    {
+        if (ctx[CpuRegister.Rdi] == 0)
+        {
+            return ctx.SetReturn(ErrorArgNull);
+        }
+
+        if (Volatile.Read(ref _status) == StatusNone)
+        {
+            return ctx.SetReturn(ErrorNotInitialized);
+        }
+
+        Interlocked.Exchange(ref _status, StatusRunning);
+        return ctx.SetReturn(ErrorOk);
+    }
+
+    [SysAbiExport(
+        Nid = "CFTG6a8TjOU",
+        ExportName = "sceWebBrowserDialogGetStatus",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogGetStatus(CpuContext ctx) => ctx.SetReturn(PollStatus());
+
+    [SysAbiExport(
+        Nid = "h1dR-t5ISgg",
+        ExportName = "sceWebBrowserDialogUpdateStatus",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogUpdateStatus(CpuContext ctx) => ctx.SetReturn(PollStatus());
+
+    private static int PollStatus()
+    {
+        Interlocked.CompareExchange(ref _status, StatusFinished, StatusRunning);
+        return Volatile.Read(ref _status);
+    }
+
+    [SysAbiExport(
+        Nid = "PSK+Eik919Q",
+        ExportName = "sceWebBrowserDialogClose",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogClose(CpuContext ctx)
+    {
+        if (Interlocked.CompareExchange(ref _status, StatusFinished, StatusRunning) != StatusRunning)
+        {
+            return ctx.SetReturn(ErrorNotRunning);
+        }
+
+        return ctx.SetReturn(ErrorOk);
+    }
+
+    [SysAbiExport(
+        Nid = "vCaW0fgVQmc",
+        ExportName = "sceWebBrowserDialogGetResult",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogGetResult(CpuContext ctx)
+    {
+        if (ctx[CpuRegister.Rdi] == 0)
+        {
+            return ctx.SetReturn(ErrorArgNull);
+        }
+
+        if (Volatile.Read(ref _status) != StatusFinished)
+        {
+            return ctx.SetReturn(ErrorNotFinished);
+        }
+
+        Span<byte> result = stackalloc byte[sizeof(int)];
+        result.Clear();
+        if (!ctx.Memory.TryWrite(ctx[CpuRegister.Rdi], result))
+        {
+            return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
+        }
+
+        return ctx.SetReturn(ErrorOk);
+    }
+
+    [SysAbiExport(
+        Nid = "Wit4LjeoeX4",
+        ExportName = "sceWebBrowserDialogGetEvent",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogGetEvent(CpuContext ctx) => ctx.SetReturn(ErrorOk);
+
+    [SysAbiExport(
+        Nid = "uYELOMVnmNQ",
+        ExportName = "sceWebBrowserDialogNavigate",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogNavigate(CpuContext ctx) => ctx.SetReturn(ErrorOk);
+
+    [SysAbiExport(
+        Nid = "RLhKBOoNyXY",
+        ExportName = "sceWebBrowserDialogSetZoom",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogSetZoom(CpuContext ctx) => ctx.SetReturn(ErrorOk);
+
+    [SysAbiExport(
+        Nid = "ocHtyBwHfys",
+        ExportName = "sceWebBrowserDialogTerminate",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceWebBrowserDialog")]
+    public static int WebBrowserDialogTerminate(CpuContext ctx)
+    {
+        if (Interlocked.Exchange(ref _status, StatusNone) == StatusNone)
+        {
+            return ctx.SetReturn(ErrorNotInitialized);
+        }
+
+        return ctx.SetReturn(ErrorOk);
+    }
+
+    internal static int StatusForTests => Volatile.Read(ref _status);
+
+    internal static void ResetForTests() => Interlocked.Exchange(ref _status, StatusNone);
+}
diff --git a/src/SharpEmu.Libs/Stubs/GameServiceStubs.cs b/src/SharpEmu.Libs/Stubs/GameServiceStubs.cs
index feae3ac..0d57f65 100644
--- a/src/SharpEmu.Libs/Stubs/GameServiceStubs.cs
+++ b/src/SharpEmu.Libs/Stubs/GameServiceStubs.cs
@@ -64,14 +64,6 @@ public static class GameServiceStubs
         Target = Generation.Gen5, LibraryName = "libSceNpGameIntent")]
     public static int NpGameIntentTerminate(CpuContext ctx) => Ok(ctx);
 
-    [SysAbiExport(Nid = "jqb7HntFQFc", ExportName = "sceWebBrowserDialogInitialize",
-        Target = Generation.Gen5, LibraryName = "libSceWebBrowserDialog")]
-    public static int WebBrowserDialogInitialize(CpuContext ctx) => Ok(ctx);
-
-    [SysAbiExport(Nid = "ocHtyBwHfys", ExportName = "sceWebBrowserDialogTerminate",
-        Target = Generation.Gen5, LibraryName = "libSceWebBrowserDialog")]
-    public static int WebBrowserDialogTerminate(CpuContext ctx) => Ok(ctx);
-
     [SysAbiExport(Nid = "mlYGfmqE3fQ", ExportName = "sceSigninDialogInitialize",
         Target = Generation.Gen4 | Generation.Gen5, LibraryName = "libSceSigninDialog")]
     public static int SigninDialogInitialize(CpuContext ctx) => Ok(ctx);