using System;
using System.Runtime.InteropServices;
using System.Text;

namespace Valve.VR
{
	public struct IVRApplications
	{
		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _AddApplicationManifest(string pchApplicationManifestFullPath, bool bTemporary);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _RemoveApplicationManifest(string pchApplicationManifestFullPath);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _IsApplicationInstalled(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetApplicationCount();

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _GetApplicationKeyByIndex(uint unApplicationIndex, StringBuilder pchAppKeyBuffer, uint unAppKeyBufferLen);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _GetApplicationKeyByProcessId(uint unProcessId, StringBuilder pchAppKeyBuffer, uint unAppKeyBufferLen);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _LaunchApplication(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _LaunchTemplateApplication(string pchTemplateAppKey, string pchNewAppKey, [In][Out] AppOverrideKeys_t[] pKeys, uint unKeys);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _LaunchApplicationFromMimeType(string pchMimeType, string pchArgs);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _LaunchDashboardOverlay(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _CancelApplicationLaunch(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _IdentifyApplication(uint unProcessId, string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetApplicationProcessId(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate IntPtr _GetApplicationsErrorNameFromEnum(EVRApplicationError error);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetApplicationPropertyString(string pchAppKey, EVRApplicationProperty eProperty, StringBuilder pchPropertyValueBuffer, uint unPropertyValueBufferLen, ref EVRApplicationError peError);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _GetApplicationPropertyBool(string pchAppKey, EVRApplicationProperty eProperty, ref EVRApplicationError peError);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate ulong _GetApplicationPropertyUint64(string pchAppKey, EVRApplicationProperty eProperty, ref EVRApplicationError peError);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _SetApplicationAutoLaunch(string pchAppKey, bool bAutoLaunch);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _GetApplicationAutoLaunch(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _SetDefaultApplicationForMimeType(string pchAppKey, string pchMimeType);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _GetDefaultApplicationForMimeType(string pchMimeType, StringBuilder pchAppKeyBuffer, uint unAppKeyBufferLen);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _GetApplicationSupportedMimeTypes(string pchAppKey, StringBuilder pchMimeTypesBuffer, uint unMimeTypesBuffer);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetApplicationsThatSupportMimeType(string pchMimeType, StringBuilder pchAppKeysThatSupportBuffer, uint unAppKeysThatSupportBuffer);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetApplicationLaunchArguments(uint unHandle, StringBuilder pchArgs, uint unArgs);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _GetStartingApplication(StringBuilder pchAppKeyBuffer, uint unAppKeyBufferLen);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationTransitionState _GetTransitionState();

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _PerformApplicationPrelaunchCheck(string pchAppKey);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate IntPtr _GetApplicationsTransitionStateNameFromEnum(EVRApplicationTransitionState state);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate bool _IsQuitUserPromptRequested();

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate EVRApplicationError _LaunchInternalProcess(string pchBinaryPath, string pchArguments, string pchWorkingDirectory);

		[UnmanagedFunctionPointer(CallingConvention.StdCall)]
		internal delegate uint _GetCurrentSceneProcessId();

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _AddApplicationManifest AddApplicationManifest;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _RemoveApplicationManifest RemoveApplicationManifest;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _IsApplicationInstalled IsApplicationInstalled;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationCount GetApplicationCount;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationKeyByIndex GetApplicationKeyByIndex;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationKeyByProcessId GetApplicationKeyByProcessId;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _LaunchApplication LaunchApplication;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _LaunchTemplateApplication LaunchTemplateApplication;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _LaunchApplicationFromMimeType LaunchApplicationFromMimeType;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _LaunchDashboardOverlay LaunchDashboardOverlay;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _CancelApplicationLaunch CancelApplicationLaunch;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _IdentifyApplication IdentifyApplication;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationProcessId GetApplicationProcessId;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationsErrorNameFromEnum GetApplicationsErrorNameFromEnum;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationPropertyString GetApplicationPropertyString;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationPropertyBool GetApplicationPropertyBool;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationPropertyUint64 GetApplicationPropertyUint64;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _SetApplicationAutoLaunch SetApplicationAutoLaunch;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationAutoLaunch GetApplicationAutoLaunch;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _SetDefaultApplicationForMimeType SetDefaultApplicationForMimeType;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetDefaultApplicationForMimeType GetDefaultApplicationForMimeType;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationSupportedMimeTypes GetApplicationSupportedMimeTypes;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationsThatSupportMimeType GetApplicationsThatSupportMimeType;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationLaunchArguments GetApplicationLaunchArguments;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetStartingApplication GetStartingApplication;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetTransitionState GetTransitionState;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _PerformApplicationPrelaunchCheck PerformApplicationPrelaunchCheck;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetApplicationsTransitionStateNameFromEnum GetApplicationsTransitionStateNameFromEnum;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _IsQuitUserPromptRequested IsQuitUserPromptRequested;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _LaunchInternalProcess LaunchInternalProcess;

		[MarshalAs(UnmanagedType.FunctionPtr)]
		internal _GetCurrentSceneProcessId GetCurrentSceneProcessId;
	}
}