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game/client/gameui/vguisystemmoduleloader.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Handles loading/unloading of different vgui modules into a shared context
+//
+//=============================================================================//
+
+#ifndef VGUISYSTEMMODULELOADER_H
+#define VGUISYSTEMMODULELOADER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "vgui_controls/PHandle.h"
+#include "UtlVector.h"
+#include "IVGuiModuleLoader.h"
+
+class IVGuiModule;
+
+class KeyValues;
+
+//-----------------------------------------------------------------------------
+// Purpose: Handles loading/unloading of different vgui modules into a shared context
+//-----------------------------------------------------------------------------
+class CVGuiSystemModuleLoader : public IVGuiModuleLoader
+{
+public:
+	CVGuiSystemModuleLoader();
+	~CVGuiSystemModuleLoader();
+
+	// loads all the modules in the platform
+	bool LoadPlatformModules(CreateInterfaceFn *factorylist, int factorycount, bool useSteamModules);
+
+	// returns true if the module loader has loaded the modules
+	bool IsPlatformReady();
+
+	// needs to be called every frame - updates all the modules states
+	void RunFrame();
+
+	// returns number of modules loaded
+	int GetModuleCount();
+
+	// returns the string menu name (unlocalized) of a module
+	// moduleIndex is of the range [0, GetModuleCount())
+	const char *GetModuleLabel(int moduleIndex);
+
+	bool IsModuleHidden(int moduleIndex);
+	bool IsModuleVisible(int moduleIndex);
+
+	// returns a modules interface factory
+	CreateInterfaceFn GetModuleFactory(int moduleIndex);
+
+	// brings the specified module to the foreground
+	bool ActivateModule(int moduleIndex);
+	bool ActivateModule(const char *moduleName);
+
+	// Deactivates all the modules (puts them into in inactive but recoverable state)
+	void DeactivatePlatformModules();
+
+	// Reenables all the deactivated platform modules
+	void ReactivatePlatformModules();
+
+	// shuts down all the platform modules
+	void ShutdownPlatformModules();
+
+	// unload all active platform modules/dlls from memory
+	void UnloadPlatformModules();
+
+	// posts a message to all active modules
+	void PostMessageToAllModules(KeyValues *message);
+
+	// sets the the platform should update and restart when it quits
+	void SetPlatformToRestart();
+
+	// returns true if the platform should restart after exit
+	bool ShouldPlatformRestart();
+
+private:
+	// sets up all the modules for use
+	bool InitializeAllModules(CreateInterfaceFn *factorylist, int factorycount);
+
+	bool m_bModulesInitialized;
+	bool m_bPlatformShouldRestartAfterExit;
+
+	struct module_t
+	{
+		CSysModule *module;
+		IVGuiModule *moduleInterface;
+		KeyValues *data;
+	};
+
+	CUtlVector<module_t> m_Modules;
+	KeyValues *m_pPlatformModuleData;
+};
+
+extern CVGuiSystemModuleLoader g_VModuleLoader;
+
+#endif // VGUISYSTEMMODULELOADER_H