| /* |
| * 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/css/StyleEngineContext.h" |
| #include "core/dom/CharacterData.h" |
| #include "core/loader/resource/TextResource.h" |
| #include "platform/loader/fetch/ResourceClient.h" |
| |
| namespace blink { |
| |
| class StyleSheet; |
| class EventListener; |
| |
| class ProcessingInstruction final : public CharacterData, |
| private ResourceClient { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(ProcessingInstruction); |
| |
| public: |
| static ProcessingInstruction* Create(Document&, |
| const String& target, |
| const String& data); |
| ~ProcessingInstruction() override; |
| virtual void Trace(blink::Visitor*); |
| |
| const String& target() const { return target_; } |
| const String& LocalHref() const { return local_href_; } |
| StyleSheet* sheet() const { return sheet_.Get(); } |
| |
| bool IsCSS() const { return is_css_; } |
| bool IsXSL() const { return is_xsl_; } |
| |
| void DidAttributeChanged(); |
| bool IsLoading() const; |
| |
| // For XSLT |
| class DetachableEventListener : public GarbageCollectedMixin { |
| public: |
| virtual ~DetachableEventListener() = default; |
| virtual EventListener* ToEventListener() = 0; |
| // Detach event listener from its processing instruction. |
| virtual void Detach() = 0; |
| |
| virtual void Trace(blink::Visitor* visitor) {} |
| }; |
| |
| void SetEventListenerForXSLT(DetachableEventListener* listener) { |
| listener_for_xslt_ = 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, ExceptionState&) override; |
| |
| InsertionNotificationRequest InsertedInto(ContainerNode*) override; |
| void RemovedFrom(ContainerNode*) override; |
| |
| bool CheckStyleSheet(String& href, String& charset); |
| void Process(const String& href, const String& charset); |
| |
| void NotifyFinished(Resource*) override; |
| |
| bool SheetLoaded() override; |
| |
| void ParseStyleSheet(const String& sheet); |
| void ClearSheet(); |
| |
| String DebugName() const override { return "ProcessingInstruction"; } |
| |
| String target_; |
| String local_href_; |
| String title_; |
| String media_; |
| Member<StyleSheet> sheet_; |
| StyleEngineContext style_engine_context_; |
| bool loading_; |
| bool alternate_; |
| bool is_css_; |
| bool is_xsl_; |
| |
| Member<DetachableEventListener> listener_for_xslt_; |
| }; |
| |
| 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 |