Implementation of brand-color

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 34 matching lines @@
 #include "core/animation/AnimationTimeline.h"
 #include "core/animation/DocumentAnimations.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/MediaQueryMatcher.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/StyleSheetList.h"
 #include "core/css/invalidation/StyleInvalidator.h"
+#include "core/css/parser/CSSPropertyParser.h"
 #include "core/css/resolver/FontBuilder.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverStats.h"
 #include "core/dom/AddConsoleMessageTask.h"
 #include "core/dom/Attr.h"
 #include "core/dom/CDATASection.h"
 #include "core/dom/Comment.h"
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/DOMImplementation.h"
 #include "core/dom/DocumentFragment.h"
@@ skipping 4663 matching lines @@
 
     if (firstTouchIcon.m_iconType != InvalidIcon)
         iconURLs.append(firstTouchIcon);
     if (firstTouchPrecomposedIcon.m_iconType != InvalidIcon)
         iconURLs.append(firstTouchPrecomposedIcon);
     for (int i = secondaryIcons.size() - 1; i >= 0; --i)
         iconURLs.append(secondaryIcons[i]);
     return iconURLs;
 }
 
+Color Document::brandColor() const
+{
+    for (HTMLMetaElement* metaElement = head() ? Traversal<HTMLMetaElement>::firstChild(*head()) : 0; metaElement; metaElement = Traversal<HTMLMetaElement>::nextSibling(*metaElement)) {
+        RGBA32 rgb;
+        if (equalIgnoringCase(metaElement->name(), "brand-color") && CSSPropertyParser::fastParseColor(rgb, metaElement->content().string(), true))

[michaelbai, 2014/06/12 23:47:58]

Knew I shouldn't use CSSPropertyParser::fastParseColor(), could you suggest what
function shall I use?

[abarth-chromium, 2014/06/13 05:40:41]

fastParseColor is fine.  Do you want to strip leading an trailing HTML spaces? 
Please add a test for leading and trailing spaces regardless of whether you
decide to strip them.

[michaelbai, 2014/06/13 19:56:51]

Striped the spaces, and added test

+            return Color(rgb);
+    }
+    return Color();
+}
+
 HTMLLinkElement* Document::linkManifest() const
 {
     HTMLHeadElement* head = this->head();
     if (!head)
         return 0;
 
     // The first link element with a manifest rel must be used. Others are ignored.
     for (HTMLLinkElement* linkElement = Traversal<HTMLLinkElement>::firstChild(*head); linkElement; linkElement = Traversal<HTMLLinkElement>::nextSibling(*linkElement)) {
         if (!linkElement->relAttribute().isManifest())
             continue;
@@ skipping 1085 matching lines @@
     visitor->trace(m_compositorPendingAnimations);
     visitor->trace(m_contextDocument);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore