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-rw-r--r--src/base/UPluginInterface.pas156
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diff --git a/src/base/UPluginInterface.pas b/src/base/UPluginInterface.pas
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+unit uPluginInterface;
+{*********************
+ uPluginInterface
+ Unit fills a TPluginInterface Structur with Method Pointers
+ Unit Contains all Functions called directly by Plugins
+*********************}
+
+interface
+
+{$I switches.inc}
+
+uses uPluginDefs;
+
+//---------------
+// Methods for Plugin
+//---------------
+ {******** Hook specific Methods ********}
+ {Function Creates a new Hookable Event and Returns the Handle
+ or 0 on Failure. (Name already exists)}
+ Function CreateHookableEvent (EventName: PChar): THandle; stdcall;
+
+ {Function Destroys an Event and Unhooks all Hooks to this Event.
+ 0 on success, not 0 on Failure}
+ Function DestroyHookableEvent (hEvent: THandle): integer; stdcall;
+
+ {Function start calling the Hook Chain
+ 0 if Chain is called until the End, -1 if Event Handle is not valid
+ otherwise Return Value of the Hook that breaks the Chain}
+ Function NotivyEventHooks (hEvent: THandle; wParam: TwParam; lParam: TlParam): integer; stdcall;
+
+ {Function Hooks an Event by Name.
+ Returns Hook Handle on Success, otherwise 0}
+ Function HookEvent (EventName: PChar; HookProc: TUS_Hook): THandle; stdcall;
+
+ {Function Removes the Hook from the Chain
+ Returns 0 on Success}
+ Function UnHookEvent (hHook: THandle): Integer; stdcall;
+
+ {Function Returns Non Zero if a Event with the given Name Exists,
+ otherwise 0}
+ Function EventExists (EventName: PChar): Integer; stdcall;
+
+ {******** Service specific Methods ********}
+ {Function Creates a new Service and Returns the Services Handle
+ or 0 on Failure. (Name already exists)}
+ Function CreateService (ServiceName: PChar; ServiceProc: TUS_Service): THandle; stdcall;
+
+ {Function Destroys a Service.
+ 0 on success, not 0 on Failure}
+ Function DestroyService (hService: THandle): integer; stdcall;
+
+ {Function Calls a Services Proc
+ Returns Services Return Value or SERVICE_NOT_FOUND on Failure}
+ Function CallService (ServiceName: PChar; wParam: TwParam; lParam: TlParam): integer; stdcall;
+
+ {Function Returns Non Zero if a Service with the given Name Exists,
+ otherwise 0}
+ Function ServiceExists (ServiceName: PChar): Integer; stdcall;
+
+implementation
+uses UCore;
+
+{******** Hook specific Methods ********}
+//---------------
+// Function Creates a new Hookable Event and Returns the Handle
+// or 0 on Failure. (Name already exists)
+//---------------
+Function CreateHookableEvent (EventName: PChar): THandle; stdcall;
+begin
+ Result := Core.Hooks.AddEvent(EventName);
+end;
+
+//---------------
+// Function Destroys an Event and Unhooks all Hooks to this Event.
+// 0 on success, not 0 on Failure
+//---------------
+Function DestroyHookableEvent (hEvent: THandle): integer; stdcall;
+begin
+ Result := Core.Hooks.DelEvent(hEvent);
+end;
+
+//---------------
+// Function start calling the Hook Chain
+// 0 if Chain is called until the End, -1 if Event Handle is not valid
+// otherwise Return Value of the Hook that breaks the Chain
+//---------------
+Function NotivyEventHooks (hEvent: THandle; wParam: TwParam; lParam: TlParam): integer; stdcall;
+begin
+ Result := Core.Hooks.CallEventChain(hEvent, wParam, lParam);
+end;
+
+//---------------
+// Function Hooks an Event by Name.
+// Returns Hook Handle on Success, otherwise 0
+//---------------
+Function HookEvent (EventName: PChar; HookProc: TUS_Hook): THandle; stdcall;
+begin
+ Result := Core.Hooks.AddSubscriber(EventName, HookProc);
+end;
+
+//---------------
+// Function Removes the Hook from the Chain
+// Returns 0 on Success
+//---------------
+Function UnHookEvent (hHook: THandle): Integer; stdcall;
+begin
+ Result := Core.Hooks.DelSubscriber(hHook);
+end;
+
+//---------------
+// Function Returns Non Zero if a Event with the given Name Exists,
+// otherwise 0
+//---------------
+Function EventExists (EventName: PChar): Integer; stdcall;
+begin
+ Result := Core.Hooks.EventExists(EventName);
+end;
+
+ {******** Service specific Methods ********}
+//---------------
+// Function Creates a new Service and Returns the Services Handle
+// or 0 on Failure. (Name already exists)
+//---------------
+Function CreateService (ServiceName: PChar; ServiceProc: TUS_Service): THandle; stdcall;
+begin
+ Result := Core.Services.AddService(ServiceName, ServiceProc);
+end;
+
+//---------------
+// Function Destroys a Service.
+// 0 on success, not 0 on Failure
+//---------------
+Function DestroyService (hService: THandle): integer; stdcall;
+begin
+ Result := Core.Services.DelService(hService);
+end;
+
+//---------------
+// Function Calls a Services Proc
+// Returns Services Return Value or SERVICE_NOT_FOUND on Failure
+//---------------
+Function CallService (ServiceName: PChar; wParam: TwParam; lParam: TlParam): integer; stdcall;
+begin
+ Result := Core.Services.CallService(ServiceName, wParam, lParam);
+end;
+
+//---------------
+// Function Returns Non Zero if a Service with the given Name Exists,
+// otherwise 0
+//---------------
+Function ServiceExists (ServiceName: PChar): Integer; stdcall;
+begin
+ Result := Core.Services.ServiceExists(ServiceName);
+end;
+
+end.