| /* |
| * 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 "core/html/LinkRelAttribute.h" |
| |
| #include "platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| LinkRelAttribute::LinkRelAttribute() |
| : icon_type_(kInvalidIcon), |
| is_style_sheet_(false), |
| is_alternate_(false), |
| is_dns_prefetch_(false), |
| is_preconnect_(false), |
| is_link_prefetch_(false), |
| is_link_preload_(false), |
| is_link_prerender_(false), |
| is_link_next_(false), |
| is_import_(false), |
| is_manifest_(false), |
| is_module_preload_(false), |
| is_service_worker_(false), |
| is_canonical_(false) {} |
| |
| LinkRelAttribute::LinkRelAttribute(const String& rel) : LinkRelAttribute() { |
| if (rel.IsEmpty()) |
| return; |
| String rel_copy = rel; |
| rel_copy.Replace('\n', ' '); |
| Vector<String> list; |
| rel_copy.Split(' ', list); |
| for (const String& link_type : list) { |
| if (DeprecatedEqualIgnoringCase(link_type, "stylesheet")) { |
| if (!is_import_) |
| is_style_sheet_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "import")) { |
| if (!is_style_sheet_) |
| is_import_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "alternate")) { |
| is_alternate_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "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 |
| icon_type_ = kFavicon; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "prefetch")) { |
| is_link_prefetch_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "dns-prefetch")) { |
| is_dns_prefetch_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "preconnect")) { |
| is_preconnect_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "preload")) { |
| is_link_preload_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "prerender")) { |
| is_link_prerender_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "next")) { |
| is_link_next_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "apple-touch-icon")) { |
| icon_type_ = kTouchIcon; |
| } else if (DeprecatedEqualIgnoringCase(link_type, |
| "apple-touch-icon-precomposed")) { |
| icon_type_ = kTouchPrecomposedIcon; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "manifest")) { |
| is_manifest_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "modulepreload")) { |
| if (RuntimeEnabledFeatures::ModulePreloadEnabled()) |
| is_module_preload_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "serviceworker")) { |
| is_service_worker_ = true; |
| } else if (DeprecatedEqualIgnoringCase(link_type, "canonical")) { |
| is_canonical_ = true; |
| } |
| // Adding or removing a value here requires you to update |
| // RelList::supportedTokens() |
| } |
| } |
| |
| } // namespace blink |