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#include "config.h" 32#include "core/html/LinkResource.h" 33 34#include "core/HTMLNames.h" 35#include "core/dom/Document.h" 36#include "core/html/HTMLLinkElement.h" 37#include "core/html/imports/HTMLImportsController.h" 38 39namespace blink { 40 41using namespace HTMLNames; 42 43LinkResource::LinkResource(HTMLLinkElement* owner) 44 : m_owner(owner) 45{ 46} 47 48LinkResource::~LinkResource() 49{ 50} 51 52bool LinkResource::shouldLoadResource() const 53{ 54 return m_owner->document().frame() || m_owner->document().importsController(); 55} 56 57LocalFrame* LinkResource::loadingFrame() const 58{ 59 HTMLImportsController* importsController = m_owner->document().importsController(); 60 if (!importsController) 61 return m_owner->document().frame(); 62 return importsController->master()->frame(); 63} 64 65void LinkResource::trace(Visitor* visitor) 66{ 67 visitor->trace(m_owner); 68} 69 70LinkRequestBuilder::LinkRequestBuilder(HTMLLinkElement* owner) 71 : m_owner(owner) 72 , m_url(owner->getNonEmptyURLAttribute(hrefAttr)) 73{ 74 m_charset = m_owner->getAttribute(charsetAttr); 75 if (m_charset.isEmpty() && m_owner->document().frame()) 76 m_charset = m_owner->document().charset(); 77} 78 79FetchRequest LinkRequestBuilder::build(bool blocking) const 80{ 81 ResourceLoadPriority priority = blocking ? ResourceLoadPriorityUnresolved : ResourceLoadPriorityVeryLow; 82 return FetchRequest(ResourceRequest(m_owner->document().completeURL(m_url)), m_owner->localName(), m_charset, priority); 83} 84 85} // namespace blink 86