| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "config.h" |
| #include "core/html/LinkRelAttribute.h" |
| |
| #include "platform/RuntimeEnabledFeatures.h" |
| |
| namespace blink { |
| |
| LinkRelAttribute::LinkRelAttribute(const String& rel) |
| : m_iconType(InvalidIcon) |
| , m_isStyleSheet(false) |
| , m_isAlternate(false) |
| , m_isDNSPrefetch(false) |
| , m_isPreconnect(false) |
| , m_isLinkPrefetch(false) |
| , m_isLinkSubresource(false) |
| , m_isLinkPreload(false) |
| , m_isLinkPrerender(false) |
| , m_isLinkNext(false) |
| , m_isImport(false) |
| , m_isManifest(false) |
| , m_isDefaultPresentation(false) |
| { |
| if (rel.isEmpty()) |
| return; |
| String relCopy = rel; |
| relCopy.replace('\n', ' '); |
| Vector<String> list; |
| relCopy.split(' ', list); |
| for (const String& linkType : list) { |
| if (equalIgnoringCase(linkType, "stylesheet")) { |
| if (!m_isImport) |
| m_isStyleSheet = true; |
| } else if (equalIgnoringCase(linkType, "import")) { |
| if (!m_isStyleSheet) |
| m_isImport = true; |
| } else if (equalIgnoringCase(linkType, "alternate")) { |
| m_isAlternate = true; |
| } else if (equalIgnoringCase(linkType, "icon")) { |
| // This also allows "shortcut icon" since we just ignore the non-standard "shortcut" token. |
| // FIXME: This doesn't really follow the spec that requires "shortcut icon" to be the |
| // entire string http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon |
| m_iconType = Favicon; |
| } else if (equalIgnoringCase(linkType, "prefetch")) { |
| m_isLinkPrefetch = true; |
| } else if (equalIgnoringCase(linkType, "dns-prefetch")) { |
| m_isDNSPrefetch = true; |
| } else if (equalIgnoringCase(linkType, "preconnect")) { |
| if (RuntimeEnabledFeatures::linkPreconnectEnabled()) |
| m_isPreconnect = true; |
| } else if (equalIgnoringCase(linkType, "subresource")) { |
| m_isLinkSubresource = true; |
| } else if (equalIgnoringCase(linkType, "preload")) { |
| if (RuntimeEnabledFeatures::linkPreloadEnabled()) |
| m_isLinkPreload = true; |
| } else if (equalIgnoringCase(linkType, "prerender")) { |
| m_isLinkPrerender = true; |
| } else if (equalIgnoringCase(linkType, "next")) { |
| m_isLinkNext = true; |
| } else if (equalIgnoringCase(linkType, "apple-touch-icon")) { |
| if (RuntimeEnabledFeatures::touchIconLoadingEnabled()) |
| m_iconType = TouchIcon; |
| } else if (equalIgnoringCase(linkType, "apple-touch-icon-precomposed")) { |
| if (RuntimeEnabledFeatures::touchIconLoadingEnabled()) |
| m_iconType = TouchPrecomposedIcon; |
| } else if (equalIgnoringCase(linkType, "manifest")) { |
| m_isManifest = true; |
| } else if (equalIgnoringCase(linkType, "default-presentation")) { |
| if (RuntimeEnabledFeatures::presentationEnabled()) |
| m_isDefaultPresentation = true; |
| } |
| } |
| } |
| |
| } |