gecko-dev/dom/xul/templates/nsXULTemplateResultStorage.cpp

127 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIServiceManager.h"
#include "nsRDFCID.h"
#include "nsIRDFService.h"
#include "nsString.h"
#include "nsXULTemplateResultStorage.h"
NS_IMPL_ISUPPORTS(nsXULTemplateResultStorage, nsIXULTemplateResult)
nsXULTemplateResultStorage::nsXULTemplateResultStorage(nsXULTemplateResultSetStorage* aResultSet)
{
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
nsCOMPtr<nsIRDFService> rdfService = do_GetService(kRDFServiceCID);
rdfService->GetAnonymousResource(getter_AddRefs(mNode));
mResultSet = aResultSet;
if (aResultSet) {
mResultSet->FillColumnValues(mValues);
}
}
nsXULTemplateResultStorage::~nsXULTemplateResultStorage()
{
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetIsContainer(bool* aIsContainer)
{
*aIsContainer = false;
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetIsEmpty(bool* aIsEmpty)
{
*aIsEmpty = true;
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetMayProcessChildren(bool* aMayProcessChildren)
{
*aMayProcessChildren = false;
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetId(nsAString& aId)
{
const char* uri = nullptr;
mNode->GetValueConst(&uri);
aId.Assign(NS_ConvertUTF8toUTF16(uri));
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetResource(nsIRDFResource** aResource)
{
*aResource = mNode;
NS_IF_ADDREF(*aResource);
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetType(nsAString& aType)
{
aType.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetBindingFor(nsIAtom* aVar, nsAString& aValue)
{
NS_ENSURE_ARG_POINTER(aVar);
aValue.Truncate();
if (!mResultSet) {
return NS_OK;
}
int32_t idx = mResultSet->GetColumnIndex(aVar);
if (idx < 0) {
return NS_OK;
}
nsIVariant * value = mValues[idx];
if (value) {
value->GetAsAString(aValue);
}
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::GetBindingObjectFor(nsIAtom* aVar, nsISupports** aValue)
{
NS_ENSURE_ARG_POINTER(aVar);
if (mResultSet) {
int32_t idx = mResultSet->GetColumnIndex(aVar);
if (idx >= 0) {
*aValue = mValues[idx];
NS_IF_ADDREF(*aValue);
return NS_OK;
}
}
*aValue = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::RuleMatched(nsISupports* aQuery, nsIDOMNode* aRuleNode)
{
return NS_OK;
}
NS_IMETHODIMP
nsXULTemplateResultStorage::HasBeenRemoved()
{
return NS_OK;
}