Ryujinx/Ryujinx.HLE/HOS/Applets/Browser/BrowserApplet.cs

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C#
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using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Memory;
using Ryujinx.HLE.HOS.Services.Am.AppletAE;
using System;
using System.Collections.Generic;
using System.IO;
namespace Ryujinx.HLE.HOS.Applets.Browser
{
internal class BrowserApplet : IApplet
{
public event EventHandler AppletStateChanged;
private AppletSession _normalSession;
private AppletSession _interactiveSession;
private CommonArguments _commonArguments;
private List<BrowserArgument> _arguments;
private ShimKind _shimKind;
public BrowserApplet(Horizon system) {}
public ResultCode GetResult()
{
return ResultCode.Success;
}
public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession)
{
_normalSession = normalSession;
_interactiveSession = interactiveSession;
_commonArguments = IApplet.ReadStruct<CommonArguments>(_normalSession.Pop());
Logger.Stub?.PrintStub(LogClass.ServiceAm, $"WebApplet version: 0x{_commonArguments.AppletVersion:x8}");
ReadOnlySpan<byte> webArguments = _normalSession.Pop();
(_shimKind, _arguments) = BrowserArgument.ParseArguments(webArguments);
Logger.Stub?.PrintStub(LogClass.ServiceAm, $"Web Arguments: {_arguments.Count}");
foreach (BrowserArgument argument in _arguments)
{
Logger.Stub?.PrintStub(LogClass.ServiceAm, $"{argument.Type}: {argument.GetValue()}");
}
if ((_commonArguments.AppletVersion >= 0x80000 && _shimKind == ShimKind.Web) || (_commonArguments.AppletVersion >= 0x30000 && _shimKind == ShimKind.Share))
{
List<BrowserOutput> result = new List<BrowserOutput>();
result.Add(new BrowserOutput(BrowserOutputType.ExitReason, (uint)WebExitReason.ExitButton));
_normalSession.Push(BuildResponseNew(result));
}
else
{
WebCommonReturnValue result = new WebCommonReturnValue()
{
ExitReason = WebExitReason.ExitButton,
};
_normalSession.Push(BuildResponseOld(result));
}
AppletStateChanged?.Invoke(this, null);
return ResultCode.Success;
}
private byte[] BuildResponseOld(WebCommonReturnValue result)
{
using (MemoryStream stream = MemoryStreamManager.Shared.GetStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.WriteStruct(result);
return stream.ToArray();
}
}
private byte[] BuildResponseNew(List<BrowserOutput> outputArguments)
{
using (MemoryStream stream = MemoryStreamManager.Shared.GetStream())
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.WriteStruct(new WebArgHeader
{
Count = (ushort)outputArguments.Count,
ShimKind = _shimKind
});
foreach (BrowserOutput output in outputArguments)
{
output.Write(writer);
}
writer.Write(new byte[0x2000 - writer.BaseStream.Position]);
return stream.ToArray();
}
}
}
}