gecko-dev/dom/xml/XMLStylesheetProcessingInstruction.h

85 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_dom_XMLStylesheetProcessingInstruction_h
#define mozilla_dom_XMLStylesheetProcessingInstruction_h
#include "mozilla/Attributes.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/LinkStyle.h"
#include "mozilla/dom/ProcessingInstruction.h"
#include "nsIURI.h"
namespace mozilla::dom {
class XMLStylesheetProcessingInstruction final : public ProcessingInstruction,
public LinkStyle {
public:
XMLStylesheetProcessingInstruction(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
const nsAString& aData)
: ProcessingInstruction(std::move(aNodeInfo), aData) {}
XMLStylesheetProcessingInstruction(nsNodeInfoManager* aNodeInfoManager,
const nsAString& aData)
: ProcessingInstruction(
aNodeInfoManager->GetNodeInfo(
nsGkAtoms::processingInstructionTagName, nullptr,
kNameSpaceID_None, PROCESSING_INSTRUCTION_NODE,
nsGkAtoms::xml_stylesheet),
aData) {}
// CC
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XMLStylesheetProcessingInstruction,
ProcessingInstruction)
// nsINode
virtual void SetNodeValueInternal(const nsAString& aNodeValue,
mozilla::ErrorResult& aError) override;
// nsIContent
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent = true) override;
/**
* Tells this processing instruction to use a different base URI. This is used
* for proper loading of xml-stylesheet processing instructions in XUL
* overlays and is only currently used by nsXMLStylesheetPI.
*
* @param aNewBaseURI the new base URI, nullptr to use the default base URI.
*/
void OverrideBaseURI(nsIURI* aNewBaseURI);
// LinkStyle
void GetCharset(nsAString& aCharset) override;
virtual void SetData(const nsAString& aData,
mozilla::ErrorResult& rv) override {
CharacterData::SetData(aData, rv);
if (rv.Failed()) {
return;
}
Unused << UpdateStyleSheetInternal(nullptr, nullptr, ForceUpdate::Yes);
}
protected:
virtual ~XMLStylesheetProcessingInstruction();
nsCOMPtr<nsIURI> mOverriddenBaseURI;
nsIContent& AsContent() final { return *this; }
const LinkStyle* AsLinkStyle() const final { return this; }
Maybe<SheetInfo> GetStyleSheetInfo() final;
already_AddRefed<CharacterData> CloneDataNode(
mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const final;
};
} // namespace mozilla::dom
#endif // mozilla_dom_XMLStylesheetProcessingInstruction_h