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 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef LinkResource_h 32 #define LinkResource_h 33 34 #include "core/loader/cache/FetchRequest.h" 35 #include "weborigin/KURL.h" 36 #include "wtf/RefCounted.h" 37 #include "wtf/text/WTFString.h" 38 39 namespace WebCore { 40 41 class HTMLLinkElement; 42 43 class LinkResource : public RefCounted<LinkResource> { 44 public: 45 enum Type { 46 Style, 47 Import 48 }; 49 50 explicit LinkResource(HTMLLinkElement*); 51 virtual ~LinkResource(); 52 53 virtual Type type() const = 0; 54 virtual void process() = 0; 55 virtual void ownerRemoved() = 0; 56 virtual bool hasLoaded() const = 0; 57 58 protected: 59 HTMLLinkElement* m_owner; 60 }; 61 62 class LinkRequestBuilder { 63 public: 64 explicit LinkRequestBuilder(HTMLLinkElement* owner); 65 66 bool isValid() const { return !m_url.isEmpty() && m_url.isValid(); } 67 const KURL& url() const { return m_url; } 68 const String& charset() const { return m_charset; } 69 FetchRequest build(bool blocking) const; 70 71 private: 72 HTMLLinkElement* m_owner; 73 KURL m_url; 74 String m_charset; 75 }; 76 77 } // namespace WebCore 78 79 #endif // LinkResource_h 80