Differential D3907 Diff 17293 ps/trunk/source/gui/Scripting/JSInterface_GUIProxy.h

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ps/trunk/source/gui/Scripting/JSInterface_GUIProxy.h

Show First 20 Lines • Show All 49 Lines • ▼ Show 20 Lines	class IGUIProxyObject final
friend std::unique_ptr<IGUIProxyObject> std::make_unique<IGUIProxyObject>();		friend std::unique_ptr<IGUIProxyObject> std::make_unique<IGUIProxyObject>();
public:		public:
JSObject* Get() const		JSObject* Get() const
{		{
return m_Object.get();		return m_Object.get();
}		}

using PrivateData = IGUIObject*;		using PrivateData = IGUIObject*;

template<typename T>		template<typename T>
static T* FromPrivateSlot(JSObject* obj)		static T* FromPrivateSlot(JSObject* obj)
{		{
		return static_cast<T*>(FromPrivateSlot<IGUIObject>(obj));
		}
		protected:
		template<typename T>
		static T* UnsafeFromPrivateSlot(JSObject* obj)
		{
return static_cast<T*>(static_cast<PrivateData>(js::GetProxyPrivate(obj).toPrivate()));		return static_cast<T*>(static_cast<PrivateData>(js::GetProxyPrivate(obj).toPrivate()));
}		}

protected:
IGUIProxyObject() = default;		IGUIProxyObject() = default;
IGUIProxyObject(const IGUIProxyObject&) = delete;		IGUIProxyObject(const IGUIProxyObject&) = delete;
IGUIProxyObject(IGUIProxyObject&&) = delete;		IGUIProxyObject(IGUIProxyObject&&) = delete;

JS::PersistentRootedObject m_Object;		JS::PersistentRootedObject m_Object;
PrivateData m_Ptr;		PrivateData m_Ptr;
};		};
		// Declare the IGUIObject* specialization - it's defined in _impl.h
		template<> IGUIObject* IGUIProxyObject::FromPrivateSlot<IGUIObject>(JSObject*);

/**		/**
* Proxies need to store some data whose lifetime is tied to an interface.		* Proxies need to store some data whose lifetime is tied to an interface.
* This is the virtual interface of that data.		* This is the virtual interface of that data.
*/		*/
class GUIProxyProps		class GUIProxyProps
{		{
public:		public:
Show All 30 Lines
*/		*/
template<typename GUIObjectType>		template<typename GUIObjectType>
class JSI_GUIProxy : public js::BaseProxyHandler		class JSI_GUIProxy : public js::BaseProxyHandler
{		{
// Need to friend other specializations so CreateFunctions() can call the IGUIObject version in all codepaths.		// Need to friend other specializations so CreateFunctions() can call the IGUIObject version in all codepaths.
template<typename T>		template<typename T>
friend class JSI_GUIProxy;		friend class JSI_GUIProxy;
public:		public:
// Access the js::Class of the Proxy.
static JSClass& ClassDefinition();

// For convenience, this is the single instantiated JSI_GUIProxy.		// For convenience, this is the single instantiated JSI_GUIProxy.
static JSI_GUIProxy& Singleton();		static JSI_GUIProxy& Singleton();

// Call this in CGUI::AddObjectTypes.		// Call this in CGUI::AddObjectTypes.
static std::pair<const js::BaseProxyHandler, GUIProxyProps> CreateData(ScriptInterface& scriptInterface);		static std::pair<const js::BaseProxyHandler, GUIProxyProps> CreateData(ScriptInterface& scriptInterface);

// Create the JS object, the proxy, the data and wrap it in a convenient unique_ptr.		// Create the JS object, the proxy, the data and wrap it in a convenient unique_ptr.
static std::unique_ptr<IGUIProxyObject> CreateJSObject(const ScriptRequest& rq, GUIObjectType* ptr, GUIProxyProps* data);		static std::unique_ptr<IGUIProxyObject> CreateJSObject(const ScriptRequest& rq, GUIObjectType* ptr, GUIProxyProps* data);
protected:		protected:
// @param family can't be nullptr because that's used for some DOM object and it crashes.		// @param family can't be nullptr because that's used for some DOM object and it crashes.
JSI_GUIProxy() : BaseProxyHandler(this, false, false) {};		JSI_GUIProxy() : BaseProxyHandler(this, false, false) {};

// Note: SM provides no virtual destructor for baseProxyHandler.		// Note: SM provides no virtual destructor for baseProxyHandler.
// This also enforces making proxy handlers dataless static variables.		// This also enforces making proxy handlers dataless static variables.
~JSI_GUIProxy() {};		~JSI_GUIProxy() {};

		static GUIObjectType* FromPrivateSlot(const ScriptRequest&, JS::CallArgs& args);

// The default implementations need to know the type of the GUIProxyProps for this proxy type.		// The default implementations need to know the type of the GUIProxyProps for this proxy type.
// This is done by specializing this struct's alias type.		// This is done by specializing this struct's alias type.
struct PropCache;		struct PropCache;

// Specialize this to define the custom properties of this type.		// Specialize this to define the custom properties of this type.
static void CreateFunctions(const ScriptRequest& rq, GUIProxyProps* cache);		static void CreateFunctions(const ScriptRequest& rq, GUIProxyProps* cache);

// Convenience helper for the above.		// Convenience helper for the above.
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