1 files changed, 85 insertions, 0 deletions
diff --git a/public/steam/isteamstreamlauncher.h b/public/steam/isteamstreamlauncher.h
new file mode 100644
index 0000000..5f25866
--- /dev/null
+++ b/public/steam/isteamstreamlauncher.h
@@ -0,0 +1,85 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: interface to streaming launcher functions in Steam
+//
+//=============================================================================
+
+#ifndef ISTEAMSTREAMLAUNCHER_H
+#define ISTEAMSTREAMLAUNCHER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "isteamclient.h"
+
+enum EStreamLauncherResult
+{
+	k_EStreamLaunchResultSuccess			= 0,
+	k_EStreamLaunchResultFailure			= 1,	// Unknown streaming launch failure
+	k_EStreamLaunchResultAlreadyStreaming	= 2,	// The UI is already streaming to a different application
+	k_EStreamLaunchResultInvalidLauncher	= 3,	// The streaming launcher doesn't exist, or failed signature check
+	k_EStreamLaunchResultNotReady			= 4,	// The UI isn't ready to go into streaming mode (Desktop UI login?)
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: interface to streaming launcher functions in Steam
+//-----------------------------------------------------------------------------
+class ISteamStreamLauncher
+{
+public:
+	// Switch Steam to Big Picture mode and optionally set a launcher to run all games
+	virtual EStreamLauncherResult StartStreaming( const char *pchLauncher = NULL ) = 0;
+
+	// Switch Steam back to the original mode and clear the launcher
+	virtual void StopStreaming() = 0;
+};
+
+#define STEAMSTREAMLAUNCHER_INTERFACE_VERSION "SteamStreamLauncher001"
+
+
+// callbacks
+#if defined( VALVE_CALLBACK_PACK_SMALL )
+#pragma pack( push, 4 )
+#elif defined( VALVE_CALLBACK_PACK_LARGE )
+#pragma pack( push, 8 )
+#else
+#error isteamclient.h must be included
+#endif 
+
+//-----------------------------------------------------------------------------
+// The big picture window is visible and ready for streaming
+//-----------------------------------------------------------------------------
+struct BigPictureStreamingResult_t
+{
+	enum { k_iCallback = k_iSteamStreamLauncherCallbacks + 1 };
+	bool m_bSuccess;
+	void *m_hwnd;
+};
+
+//-----------------------------------------------------------------------------
+// The user requested that the application stop streaming
+//-----------------------------------------------------------------------------
+struct StopStreamingRequest_t
+{
+	enum { k_iCallback = k_iSteamStreamLauncherCallbacks + 2 };
+};
+
+//-----------------------------------------------------------------------------
+// The big picture window is closed and no longer ready for streaming
+//-----------------------------------------------------------------------------
+struct BigPictureStreamingDone_t
+{
+	enum { k_iCallback = k_iSteamStreamLauncherCallbacks + 3 };
+};
+
+//-----------------------------------------------------------------------------
+// Steam is about to restart, continue streaming when it is available again
+//-----------------------------------------------------------------------------
+struct BigPictureStreamRestarting_t
+{
+	enum { k_iCallback = k_iSteamStreamLauncherCallbacks + 4 };
+};
+
+#pragma pack( pop )
+
+#endif // ISTEAMSTREAMLAUNCHER_H