Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 467 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLDocument.cpp b/Source/WebCore/html/HTMLDocument.cpp
new file mode 100644
index 0000000..84ad706
--- /dev/null
+++ b/Source/WebCore/html/HTMLDocument.cpp
@@ -0,0 +1,467 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Portions are Copyright (C) 2002 Netscape Communications Corporation.
+ * Other contributors: David Baron <dbaron@fas.harvard.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Alternatively, the document type parsing portions of this file may be used
+ * under the terms of either the Mozilla Public License Version 1.1, found at
+ * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
+ * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
+ * (the "GPL"), in which case the provisions of the MPL or the GPL are
+ * applicable instead of those above.  If you wish to allow use of your
+ * version of this file only under the terms of one of those two
+ * licenses (the MPL or the GPL) and not to allow others to use your
+ * version of this file under the LGPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the MPL or the GPL, as the case may be.
+ * If you do not delete the provisions above, a recipient may use your
+ * version of this file under any of the LGPL, the MPL or the GPL.
+ */
+
+#include "config.h"
+#include "HTMLDocument.h"
+
+#include "CSSPropertyNames.h"
+#include "CSSStyleSelector.h"
+#include "CookieJar.h"
+#include "DocumentLoader.h"
+#include "DocumentType.h"
+#include "ExceptionCode.h"
+#include "FocusController.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "HashTools.h"
+#include "HTMLDocumentParser.h"
+#include "HTMLBodyElement.h"
+#include "HTMLElementFactory.h"
+#include "HTMLNames.h"
+#include "InspectorController.h"
+#include "KURL.h"
+#include "Page.h"
+#include "Settings.h"
+#include <wtf/text/CString.h>
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLDocument::HTMLDocument(Frame* frame, const KURL& url, const KURL& baseURL)
+    : Document(frame, url, false, true, baseURL)
+{
+    clearXMLVersion();
+}
+
+HTMLDocument::~HTMLDocument()
+{
+}
+
+int HTMLDocument::width()
+{
+    updateLayoutIgnorePendingStylesheets();
+    FrameView* frameView = view();
+    return frameView ? frameView->contentsWidth() : 0;
+}
+
+int HTMLDocument::height()
+{
+    updateLayoutIgnorePendingStylesheets();
+    FrameView* frameView = view();
+    return frameView ? frameView->contentsHeight() : 0;
+}
+
+String HTMLDocument::dir()
+{
+    HTMLElement* b = body();
+    if (!b)
+        return String();
+    return b->getAttribute(dirAttr);
+}
+
+void HTMLDocument::setDir(const String& value)
+{
+    HTMLElement* b = body();
+    if (b)
+        b->setAttribute(dirAttr, value);
+}
+
+String HTMLDocument::designMode() const
+{
+    return inDesignMode() ? "on" : "off";
+}
+
+void HTMLDocument::setDesignMode(const String& value)
+{
+    InheritedBool mode;
+    if (equalIgnoringCase(value, "on"))
+        mode = on;
+    else if (equalIgnoringCase(value, "off"))
+        mode = off;
+    else
+        mode = inherit;
+    Document::setDesignMode(mode);
+}
+
+Element* HTMLDocument::activeElement()
+{
+    if (Node* node = focusedNode())
+        if (node->isElementNode())
+            return static_cast<Element*>(node);
+    return body();
+}
+
+bool HTMLDocument::hasFocus()
+{
+    Page* page = this->page();
+    if (!page)
+        return false;
+    if (!page->focusController()->isActive())
+        return false;
+    if (Frame* focusedFrame = page->focusController()->focusedFrame()) {
+        if (focusedFrame->tree()->isDescendantOf(frame()))
+            return true;
+    }
+    return false;
+}
+
+String HTMLDocument::bgColor()
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (!bodyElement)
+        return String();
+    return bodyElement->bgColor();
+}
+
+void HTMLDocument::setBgColor(const String& value)
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (bodyElement)
+        bodyElement->setBgColor(value);
+}
+
+String HTMLDocument::fgColor()
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (!bodyElement)
+        return String();
+    return bodyElement->text();
+}
+
+void HTMLDocument::setFgColor(const String& value)
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (bodyElement)
+        bodyElement->setText(value);
+}
+
+String HTMLDocument::alinkColor()
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (!bodyElement)
+        return String();
+    return bodyElement->aLink();
+}
+
+void HTMLDocument::setAlinkColor(const String& value)
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (bodyElement) {
+        // This check is a bit silly, but some benchmarks like to set the
+        // document's link colors over and over to the same value and we
+        // don't want to incur a style update each time.
+        if (bodyElement->aLink() != value)
+            bodyElement->setALink(value);
+    }
+}
+
+String HTMLDocument::linkColor()
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (!bodyElement)
+        return String();
+    return bodyElement->link();
+}
+
+void HTMLDocument::setLinkColor(const String& value)
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (bodyElement) {
+        // This check is a bit silly, but some benchmarks like to set the
+        // document's link colors over and over to the same value and we
+        // don't want to incur a style update each time.
+        if (bodyElement->link() != value)
+            bodyElement->setLink(value);
+    }
+}
+
+String HTMLDocument::vlinkColor()
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (!bodyElement)
+        return String();
+    return bodyElement->vLink();
+}
+
+void HTMLDocument::setVlinkColor(const String& value)
+{
+    HTMLElement* b = body();
+    HTMLBodyElement* bodyElement = (b && b->hasTagName(bodyTag)) ? static_cast<HTMLBodyElement*>(b) : 0;
+
+    if (bodyElement) {
+        // This check is a bit silly, but some benchmarks like to set the
+        // document's link colors over and over to the same value and we
+        // don't want to incur a style update each time.
+        if (bodyElement->vLink() != value)
+            bodyElement->setVLink(value);
+    }
+}
+
+void HTMLDocument::captureEvents()
+{
+}
+
+void HTMLDocument::releaseEvents()
+{
+}
+
+PassRefPtr<DocumentParser> HTMLDocument::createParser()
+{
+    bool reportErrors = false;
+#if ENABLE(INSPECTOR)
+    if (Page* page = this->page())
+        reportErrors = page->inspectorController()->hasFrontend();
+#endif
+    return HTMLDocumentParser::create(this, reportErrors);
+}
+
+// --------------------------------------------------------------------------
+// not part of the DOM
+// --------------------------------------------------------------------------
+
+PassRefPtr<Element> HTMLDocument::createElement(const AtomicString& name, ExceptionCode& ec)
+{
+    if (!isValidName(name)) {
+        ec = INVALID_CHARACTER_ERR;
+        return 0;
+    }
+    return HTMLElementFactory::createHTMLElement(QualifiedName(nullAtom, name.lower(), xhtmlNamespaceURI), this, 0, false);
+}
+
+void HTMLDocument::addItemToMap(HashCountedSet<AtomicStringImpl*>& map, const AtomicString& name)
+{
+    if (name.isEmpty())
+        return;
+    map.add(name.impl());
+    if (Frame* f = frame())
+        f->script()->namedItemAdded(this, name);
+}
+
+void HTMLDocument::removeItemFromMap(HashCountedSet<AtomicStringImpl*>& map, const AtomicString& name)
+{
+    if (name.isEmpty())
+        return;
+    map.remove(name.impl());
+    if (Frame* f = frame())
+        f->script()->namedItemRemoved(this, name);
+}
+
+void HTMLDocument::addNamedItem(const AtomicString& name)
+{
+    addItemToMap(m_namedItemCounts, name);
+}
+
+void HTMLDocument::removeNamedItem(const AtomicString& name)
+{ 
+    removeItemFromMap(m_namedItemCounts, name);
+}
+
+void HTMLDocument::addExtraNamedItem(const AtomicString& name)
+{
+    addItemToMap(m_extraNamedItemCounts, name);
+}
+
+void HTMLDocument::removeExtraNamedItem(const AtomicString& name)
+{ 
+    removeItemFromMap(m_extraNamedItemCounts, name);
+}
+
+void HTMLDocument::setCompatibilityModeFromDoctype()
+{
+    // There are three possible compatibility modes:
+    // Quirks - quirks mode emulates WinIE and NS4.  CSS parsing is also relaxed in this mode, e.g., unit types can
+    // be omitted from numbers.
+    // Limited Quirks - This mode is identical to no-quirks mode except for its treatment of line-height in the inline box model.  
+    // No Quirks - no quirks apply.  Web pages will obey the specifications to the letter.
+    DocumentType* docType = doctype();
+    if (!docType)
+        return;
+
+    // Check for Quirks Mode.
+    const String& publicId = docType->publicId();
+    if (docType->name() != "html"
+        || publicId.startsWith("+//Silmaril//dtd html Pro v0r11 19970101//", false)
+        || publicId.startsWith("-//AdvaSoft Ltd//DTD HTML 3.0 asWedit + extensions//", false)
+        || publicId.startsWith("-//AS//DTD HTML 3.0 asWedit + extensions//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0 Level 1//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0 Level 2//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict Level 1//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict Level 2//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0 Strict//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.0//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 2.1E//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 3.0//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 3.2 Final//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 3.2//", false)
+        || publicId.startsWith("-//IETF//DTD HTML 3//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Level 0//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Level 1//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Level 2//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Level 3//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Strict Level 0//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Strict Level 1//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Strict Level 2//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Strict Level 3//", false)
+        || publicId.startsWith("-//IETF//DTD HTML Strict//", false)
+        || publicId.startsWith("-//IETF//DTD HTML//", false)
+        || publicId.startsWith("-//Metrius//DTD Metrius Presentational//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 HTML Strict//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 HTML//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 2.0 Tables//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 HTML Strict//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 HTML//", false)
+        || publicId.startsWith("-//Microsoft//DTD Internet Explorer 3.0 Tables//", false)
+        || publicId.startsWith("-//Netscape Comm. Corp.//DTD HTML//", false)
+        || publicId.startsWith("-//Netscape Comm. Corp.//DTD Strict HTML//", false)
+        || publicId.startsWith("-//O'Reilly and Associates//DTD HTML 2.0//", false)
+        || publicId.startsWith("-//O'Reilly and Associates//DTD HTML Extended 1.0//", false)
+        || publicId.startsWith("-//O'Reilly and Associates//DTD HTML Extended Relaxed 1.0//", false)
+        || publicId.startsWith("-//SoftQuad Software//DTD HoTMetaL PRO 6.0::19990601::extensions to HTML 4.0//", false)
+        || publicId.startsWith("-//SoftQuad//DTD HoTMetaL PRO 4.0::19971010::extensions to HTML 4.0//", false)
+        || publicId.startsWith("-//Spyglass//DTD HTML 2.0 Extended//", false)
+        || publicId.startsWith("-//SQ//DTD HTML 2.0 HoTMetaL + extensions//", false)
+        || publicId.startsWith("-//Sun Microsystems Corp.//DTD HotJava HTML//", false)
+        || publicId.startsWith("-//Sun Microsystems Corp.//DTD HotJava Strict HTML//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 3 1995-03-24//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 3.2 Draft//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 3.2 Final//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 3.2//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 3.2S Draft//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 4.0 Frameset//", false)
+        || publicId.startsWith("-//W3C//DTD HTML 4.0 Transitional//", false)
+        || publicId.startsWith("-//W3C//DTD HTML Experimental 19960712//", false)
+        || publicId.startsWith("-//W3C//DTD HTML Experimental 970421//", false)
+        || publicId.startsWith("-//W3C//DTD W3 HTML//", false)
+        || publicId.startsWith("-//W3O//DTD W3 HTML 3.0//", false)
+        || equalIgnoringCase(publicId, "-//W3O//DTD W3 HTML Strict 3.0//EN//")
+        || publicId.startsWith("-//WebTechs//DTD Mozilla HTML 2.0//", false)
+        || publicId.startsWith("-//WebTechs//DTD Mozilla HTML//", false)
+        || equalIgnoringCase(publicId, "-/W3C/DTD HTML 4.0 Transitional/EN")
+        || equalIgnoringCase(publicId, "HTML")
+        || equalIgnoringCase(docType->systemId(), "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd")
+        || (docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Frameset//", false))
+        || (docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Transitional//", false))) {
+        setCompatibilityMode(QuirksMode);
+        return;
+    }
+
+    // Check for Limited Quirks Mode.
+    if (publicId.startsWith("-//W3C//DTD XHTML 1.0 Frameset//", false)
+        || publicId.startsWith("-//W3C//DTD XHTML 1.0 Transitional//", false)
+        || (!docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Frameset//", false))
+        || (!docType->systemId().isEmpty() && publicId.startsWith("-//W3C//DTD HTML 4.01 Transitional//", false))) {
+        setCompatibilityMode(LimitedQuirksMode);
+        return;
+    }
+
+    // Otherwise we are No Quirks Mode.
+    setCompatibilityMode(NoQuirksMode);
+    return;
+}
+
+void HTMLDocument::clear()
+{
+    // FIXME: This does nothing, and that seems unlikely to be correct.
+    // We've long had a comment saying that IE doesn't support this.
+    // But I do see it in the documentation for Mozilla.
+}
+
+bool HTMLDocument::isFrameSet() const
+{
+    HTMLElement* bodyElement = body();
+    return bodyElement && bodyElement->hasTagName(framesetTag);
+}
+
+#ifdef ANDROID_INSTRUMENT
+void* HTMLDocument::operator new(size_t size)
+{
+    return Node::operator new(size);
+}
+
+void* HTMLDocument::operator new[](size_t size)
+{
+    return Node::operator new[](size);
+}
+
+void HTMLDocument::operator delete(void* p, size_t size)
+{
+    Node::operator delete(p, size);
+}
+
+void HTMLDocument::operator delete[](void* p, size_t size)
+{
+    Node::operator delete[](p, size);
+}
+#endif
+
+}