1/* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Neither the name of Google Inc. nor the names of its 11 * contributors may be used to endorse or promote products derived from 12 * this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#ifndef StyleSheetCandidate_h 28#define StyleSheetCandidate_h 29 30#include "platform/heap/Handle.h" 31#include "wtf/text/AtomicString.h" 32#include "wtf/text/WTFString.h" 33 34namespace blink { 35 36class Document; 37class Node; 38class StyleSheet; 39 40class StyleSheetCandidate { 41 STACK_ALLOCATED(); 42public: 43 enum Type { 44 HTMLLink, 45 HTMLStyle, 46 SVGStyle, 47 Pi 48 }; 49 50 StyleSheetCandidate(Node& node) 51 : m_node(node) 52 , m_type(typeOf(node)) 53 { } 54 55 bool isXSL() const; 56 bool isImport() const; 57 bool isAlternate() const; 58 bool isEnabledViaScript() const; 59 bool isEnabledAndLoading() const; 60 bool hasPreferrableName(const String& currentPreferrableName) const; 61 bool canBeActivated(const String& currentPreferrableName) const; 62 63 StyleSheet* sheet() const; 64 AtomicString title() const; 65 Document* importedDocument() const; 66 67private: 68 bool isElement() const { return m_type != Pi; } 69 bool isHTMLLink() const { return m_type == HTMLLink; } 70 Node& node() const { return *m_node; } 71 72 static Type typeOf(Node&); 73 74 RawPtrWillBeMember<Node> m_node; 75 Type m_type; 76}; 77 78} 79 80#endif 81 82