1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/xul/templates/src/nsContentTestNode.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,48 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsContentTestNode_h__
1.10 +#define nsContentTestNode_h__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nscore.h"
1.14 +#include "nsRuleNetwork.h"
1.15 +#include "nsIAtom.h"
1.16 +#include "nsIDOMDocument.h"
1.17 +
1.18 +class nsIXULTemplateBuilder;
1.19 +
1.20 +/**
1.21 + * The nsContentTestNode is always the top node in a query's rule network. It
1.22 + * exists so that Constrain can filter out resources that aren't part of a
1.23 + * result.
1.24 + */
1.25 +class nsContentTestNode : public TestNode
1.26 +{
1.27 +public:
1.28 + nsContentTestNode(nsXULTemplateQueryProcessorRDF* aProcessor,
1.29 + nsIAtom* aContentVariable);
1.30 +
1.31 + virtual nsresult FilterInstantiations(InstantiationSet& aInstantiations,
1.32 + bool* aCantHandleYet) const MOZ_OVERRIDE;
1.33 +
1.34 + nsresult
1.35 + Constrain(InstantiationSet& aInstantiations) MOZ_OVERRIDE;
1.36 +
1.37 + void SetTag(nsIAtom* aTag, nsIDOMDocument* aDocument)
1.38 + {
1.39 + mTag = aTag;
1.40 + mDocument = aDocument;
1.41 + }
1.42 +
1.43 +protected:
1.44 + nsXULTemplateQueryProcessorRDF *mProcessor;
1.45 + nsIDOMDocument* mDocument;
1.46 + nsCOMPtr<nsIAtom> mRefVariable;
1.47 + nsCOMPtr<nsIAtom> mTag;
1.48 +};
1.49 +
1.50 +#endif // nsContentTestNode_h__
1.51 +
