Initial community commit

Src/omBrowser/storageHandler.cpp

@@ -0,0 +1,92 @@
+#include "main.h"
+#include "./storageHandler.h"
+
+StorageHandler::StorageHandler(LPCWSTR pszKey, ifc_omstoragehelper::HandlerProc handlerProc, UINT flags)
+: ref(1), key(NULL), handler(handlerProc), flags(flags)
+{
+	if (0 != (flagCopyKey & flags))
+		key = Plugin_CopyString(pszKey);
+	else
+		key = (LPWSTR)pszKey;
+}
+
+StorageHandler::~StorageHandler()
+{
+	if (0 != (flagCopyKey & flags))
+		Plugin_FreeString(key);
+}
+
+HRESULT StorageHandler::CreateInstance(LPCWSTR pszKey, ifc_omstoragehelper::HandlerProc handlerProc, UINT flags, StorageHandler **instance)
+{
+	if (NULL == instance) 
+		return E_POINTER;
+
+	if (NULL == pszKey || L'\0' == pszKey || NULL == handlerProc) 
+	{
+		*instance = NULL;
+		return E_INVALIDARG;
+	}
+
+	*instance = new StorageHandler(pszKey, handlerProc, flags);
+	if (NULL == *instance) return E_OUTOFMEMORY;
+
+	return S_OK;
+}
+
+size_t StorageHandler::AddRef()
+{
+	return InterlockedIncrement((LONG*)&ref);
+}
+
+size_t StorageHandler::Release()
+{
+	if (0 == ref)
+		return ref;
+	
+	LONG r = InterlockedDecrement((LONG*)&ref);
+	if (0 == r)
+		delete(this);
+	
+	return r;
+}
+
+int StorageHandler::QueryInterface(GUID interface_guid, void **object)
+{
+	if (NULL == object) return E_POINTER;
+	
+	if (IsEqualIID(interface_guid, IFC_OmStorageHandler))
+		*object = static_cast<ifc_omstoragehandler*>(this);
+	else
+	{
+		*object = NULL;
+		return E_NOINTERFACE;
+	}
+
+	if (NULL == *object)
+		return E_UNEXPECTED;
+
+	AddRef();
+	return S_OK;
+}
+
+HRESULT StorageHandler::GetKey(LPCWSTR *ppKey)
+{
+	if (NULL == ppKey) return E_POINTER;
+	*ppKey = key;
+	return S_OK;
+}
+
+void StorageHandler::Invoke(ifc_omservice *service, LPCWSTR pszKey, LPCWSTR pszValue)
+{
+	handler(service, pszKey, pszValue);
+}
+
+#define CBCLASS StorageHandler
+START_DISPATCH;
+CB(ADDREF, AddRef)
+CB(RELEASE, Release)
+CB(QUERYINTERFACE, QueryInterface)
+CB(API_GETKEY, GetKey)
+VCB(API_INVOKE, Invoke)
+END_DISPATCH;
+#undef CBCLASS