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/*
* Copyright (C) 2000 Peter Kelly (pmk@post.com)
* Copyright (C) 2006 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef ProcessingInstruction_h
#define ProcessingInstruction_h
#include "core/dom/CharacterData.h"
#include "core/dom/StyleEngineContext.h"
#include "core/fetch/ResourceOwner.h"
#include "core/loader/resource/StyleSheetResource.h"
#include "core/loader/resource/StyleSheetResourceClient.h"
namespace blink {
class StyleSheet;
class EventListener;
class ProcessingInstruction final : public CharacterData,
private ResourceOwner<StyleSheetResource> {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(ProcessingInstruction);
public:
static ProcessingInstruction* create(Document&,
const String& target,
const String& data);
~ProcessingInstruction() override;
DECLARE_VIRTUAL_TRACE();
const String& target() const { return m_target; }
const String& localHref() const { return m_localHref; }
StyleSheet* sheet() const { return m_sheet.get(); }
bool isCSS() const { return m_isCSS; }
bool isXSL() const { return m_isXSL; }
void didAttributeChanged();
bool isLoading() const;
// For XSLT
class DetachableEventListener : public GarbageCollectedMixin {
public:
virtual ~DetachableEventListener() {}
virtual EventListener* toEventListener() = 0;
// Detach event listener from its processing instruction.
virtual void detach() = 0;
DEFINE_INLINE_VIRTUAL_TRACE() {}
};
void setEventListenerForXSLT(DetachableEventListener* listener) {
m_listenerForXSLT = listener;
}
EventListener* eventListenerForXSLT();
void clearEventListenerForXSLT();
private:
ProcessingInstruction(Document&, const String& target, const String& data);
String nodeName() const override;
NodeType getNodeType() const override;
Node* cloneNode(bool deep) override;
InsertionNotificationRequest insertedInto(ContainerNode*) override;
void removedFrom(ContainerNode*) override;
bool checkStyleSheet(String& href, String& charset);
void process(const String& href, const String& charset);
void setCSSStyleSheet(const String& href,
const KURL& baseURL,
const String& charset,
const CSSStyleSheetResource*) override;
void setXSLStyleSheet(const String& href,
const KURL& baseURL,
const String& sheet) override;
bool sheetLoaded() override;
void parseStyleSheet(const String& sheet);
void clearSheet();
String debugName() const override { return "ProcessingInstruction"; }
String m_target;
String m_localHref;
String m_title;
String m_media;
Member<StyleSheet> m_sheet;
StyleEngineContext m_styleEngineContext;
bool m_loading;
bool m_alternate;
bool m_isCSS;
bool m_isXSL;
Member<DetachableEventListener> m_listenerForXSLT;
};
DEFINE_NODE_TYPE_CASTS(ProcessingInstruction,
getNodeType() == Node::kProcessingInstructionNode);
inline bool isXSLStyleSheet(const Node& node) {
return node.getNodeType() == Node::kProcessingInstructionNode &&
toProcessingInstruction(node).isXSL();
}
} // namespace blink
#endif // ProcessingInstruction_h
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