WebKit/win/DOMCoreClasses.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/win/DOMCoreClasses.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1379 @@
+/*
+ * Copyright (C) 2006, 2007, 2009 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "WebKitDLL.h"
+#include "DOMCoreClasses.h"
+
+#include "COMPtr.h"
+#include "DOMCSSClasses.h"
+#include "DOMEventsClasses.h"
+#include "DOMHTMLClasses.h"
+#include "WebKitGraphics.h"
+
+#pragma warning(push, 0)
+#include <WebCore/BString.h>
+#include <WebCore/DOMWindow.h>
+#include <WebCore/Document.h>
+#include <WebCore/Element.h>
+#include <WebCore/Frame.h>
+#include <WebCore/SimpleFontData.h>
+#include <WebCore/HTMLFormElement.h>
+#include <WebCore/HTMLInputElement.h>
+#include <WebCore/HTMLNames.h>
+#include <WebCore/HTMLOptionElement.h>
+#include <WebCore/HTMLSelectElement.h>
+#include <WebCore/HTMLTextAreaElement.h>
+#include <WebCore/NodeList.h>
+#include <WebCore/RenderObject.h>
+#include <WebCore/RenderTreeAsText.h>
+#pragma warning(pop)
+
+#include <initguid.h>
+// {3B0C0EFF-478B-4b0b-8290-D2321E08E23E}
+DEFINE_GUID(IID_DOMElement, 0x3b0c0eff, 0x478b, 0x4b0b, 0x82, 0x90, 0xd2, 0x32, 0x1e, 0x8, 0xe2, 0x3e);
+
+// Our normal style is just to say "using namespace WebCore" rather than having
+// individual using directives for each type from that namespace. But
+// "DOMObject" exists both in the WebCore namespace and unnamespaced in this
+// file, which leads to ambiguities if we say "using namespace WebCore".
+using namespace WebCore::HTMLNames;
+using WebCore::AtomicString;
+using WebCore::BString;
+using WebCore::Element;
+using WebCore::ExceptionCode;
+using WebCore::FontDescription;
+using WebCore::Frame;
+using WebCore::IntRect;
+using WebCore::String;
+
+// DOMObject - IUnknown -------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMObject::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IDOMObject))
+        *ppvObject = static_cast<IDOMObject*>(this);
+    else
+        return WebScriptObject::QueryInterface(riid, ppvObject);
+
+    AddRef();
+    return S_OK;
+}
+
+// DOMNode - IUnknown ---------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMNode::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IDOMNode))
+        *ppvObject = static_cast<IDOMNode*>(this);
+    else if (IsEqualGUID(riid, __uuidof(DOMNode)))
+        *ppvObject = static_cast<DOMNode*>(this);
+    else
+        return DOMObject::QueryInterface(riid, ppvObject);
+
+    AddRef();
+    return S_OK;
+}
+
+// DOMNode --------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMNode::nodeName( 
+    /* [retval][out] */ BSTR* result)
+{
+    if (!result)
+        return E_POINTER;
+
+    if (!m_node)
+        return E_FAIL;
+
+    *result = BString(m_node->nodeName()).release();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::nodeValue( 
+    /* [retval][out] */ BSTR* result)
+{
+    if (!m_node)
+        return E_FAIL;
+    WebCore::String nodeValueStr = m_node->nodeValue();
+    *result = SysAllocStringLen(nodeValueStr.characters(), nodeValueStr.length());
+    if (nodeValueStr.length() && !*result)
+        return E_OUTOFMEMORY;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::setNodeValue( 
+    /* [in] */ BSTR /*value*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::nodeType( 
+    /* [retval][out] */ unsigned short* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::parentNode( 
+    /* [retval][out] */ IDOMNode** result)
+{
+    *result = 0;
+    if (!m_node || !m_node->parentNode())
+        return E_FAIL;
+    *result = DOMNode::createInstance(m_node->parentNode());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::childNodes( 
+    /* [retval][out] */ IDOMNodeList** result)
+{
+    if (!m_node)
+        return E_FAIL;
+
+    if (!result)
+        return E_POINTER;
+
+    *result = DOMNodeList::createInstance(m_node->childNodes().get());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::firstChild( 
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::lastChild( 
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::previousSibling( 
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::nextSibling( 
+    /* [retval][out] */ IDOMNode** result)
+{
+    if (!result)
+        return E_POINTER;
+    *result = 0;
+    if (!m_node)
+        return E_FAIL;
+    *result = DOMNode::createInstance(m_node->nextSibling());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::attributes( 
+    /* [retval][out] */ IDOMNamedNodeMap** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::ownerDocument( 
+    /* [retval][out] */ IDOMDocument** result)
+{
+    if (!result)
+        return E_POINTER;
+    *result = 0;
+    if (!m_node)
+        return E_FAIL;
+    *result = DOMDocument::createInstance(m_node->ownerDocument());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::insertBefore( 
+    /* [in] */ IDOMNode* newChild,
+    /* [in] */ IDOMNode* refChild,
+    /* [retval][out] */ IDOMNode** result)
+{
+    if (!result)
+        return E_POINTER;
+
+    *result = 0;
+
+    if (!m_node)
+        return E_FAIL;
+
+    COMPtr<DOMNode> newChildNode(Query, newChild);
+    if (!newChildNode)
+        return E_FAIL;
+
+    COMPtr<DOMNode> refChildNode(Query, refChild);
+
+    ExceptionCode ec;
+    if (!m_node->insertBefore(newChildNode->node(), refChildNode ? refChildNode->node() : 0, ec))
+        return E_FAIL;
+
+    *result = newChild;
+    (*result)->AddRef();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::replaceChild( 
+    /* [in] */ IDOMNode* /*newChild*/,
+    /* [in] */ IDOMNode* /*oldChild*/,
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::removeChild( 
+    /* [in] */ IDOMNode* oldChild,
+    /* [retval][out] */ IDOMNode** result)
+{
+    if (!result)
+        return E_POINTER;
+
+    *result = 0;
+
+    if (!m_node)
+        return E_FAIL;
+
+    COMPtr<DOMNode> oldChildNode(Query, oldChild);
+    if (!oldChildNode)
+        return E_FAIL;
+
+    ExceptionCode ec;
+    if (!m_node->removeChild(oldChildNode->node(), ec))
+        return E_FAIL;
+
+    *result = oldChild;
+    (*result)->AddRef();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::appendChild( 
+    /* [in] */ IDOMNode* /*oldChild*/,
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::hasChildNodes( 
+    /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::cloneNode( 
+    /* [in] */ BOOL /*deep*/,
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::normalize( void)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::isSupported( 
+    /* [in] */ BSTR /*feature*/,
+    /* [in] */ BSTR /*version*/,
+    /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::namespaceURI( 
+    /* [retval][out] */ BSTR* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::prefix( 
+    /* [retval][out] */ BSTR* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::setPrefix( 
+    /* [in] */ BSTR /*prefix*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::localName( 
+    /* [retval][out] */ BSTR* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::hasAttributes( 
+    /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::isSameNode( 
+    /* [in] */ IDOMNode* other,
+    /* [retval][out] */ BOOL* result)
+{
+    if (!result) {
+        ASSERT_NOT_REACHED();
+        return E_POINTER;
+    }
+
+    *result = FALSE;
+
+    if (!other)
+        return E_POINTER;
+
+    COMPtr<DOMNode> domOther;
+    HRESULT hr = other->QueryInterface(__uuidof(DOMNode), (void**)&domOther);
+    if (FAILED(hr))
+        return hr;
+
+    *result = m_node->isSameNode(domOther->node()) ? TRUE : FALSE;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::isEqualNode( 
+    /* [in] */ IDOMNode* /*other*/,
+    /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::textContent( 
+    /* [retval][out] */ BSTR* result)
+{
+    if (!result)
+        return E_POINTER;
+
+    *result = BString(m_node->textContent()).release();
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::setTextContent( 
+    /* [in] */ BSTR /*text*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+// DOMNode - IDOMEventTarget --------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMNode::addEventListener( 
+    /* [in] */ BSTR /*type*/,
+    /* [in] */ IDOMEventListener* /*listener*/,
+    /* [in] */ BOOL /*useCapture*/)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::removeEventListener( 
+    /* [in] */ BSTR /*type*/,
+    /* [in] */ IDOMEventListener* /*listener*/,
+    /* [in] */ BOOL /*useCapture*/)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNode::dispatchEvent( 
+    /* [in] */ IDOMEvent* evt,
+    /* [retval][out] */ BOOL* result)
+{
+    if (!m_node || !evt)
+        return E_FAIL;
+
+#if 0   // FIXME - raise dom exceptions
+    if (![self _node]->isEventTargetNode())
+        WebCore::raiseDOMException(DOM_NOT_SUPPORTED_ERR);
+#endif
+
+    COMPtr<DOMEvent> domEvent;
+    HRESULT hr = evt->QueryInterface(IID_DOMEvent, (void**) &domEvent);
+    if (FAILED(hr))
+        return hr;
+
+    WebCore::ExceptionCode ec = 0;
+    *result = m_node->dispatchEvent(domEvent->coreEvent(), ec) ? TRUE : FALSE;
+#if 0   // FIXME - raise dom exceptions
+    WebCore::raiseOnDOMError(ec);
+#endif
+    return S_OK;
+}
+
+// DOMNode - DOMNode ----------------------------------------------------------
+
+DOMNode::DOMNode(WebCore::Node* n)
+: m_node(0)
+{
+    if (n)
+        n->ref();
+
+    m_node = n;
+}
+
+DOMNode::~DOMNode()
+{
+    if (m_node)
+        m_node->deref();
+}
+
+IDOMNode* DOMNode::createInstance(WebCore::Node* n)
+{
+    if (!n)
+        return 0;
+
+    HRESULT hr = S_OK;
+    IDOMNode* domNode = 0;
+    WebCore::Node::NodeType nodeType = n->nodeType();
+
+    switch (nodeType) {
+        case WebCore::Node::ELEMENT_NODE: 
+        {
+            IDOMElement* newElement = DOMElement::createInstance(static_cast<WebCore::Element*>(n));
+            if (newElement) {
+                hr = newElement->QueryInterface(IID_IDOMNode, (void**)&domNode);
+                newElement->Release();
+            }
+        }
+        break;
+        case WebCore::Node::DOCUMENT_NODE:
+        {
+            IDOMDocument* newDocument = DOMDocument::createInstance(n->document());
+            if (newDocument) {
+                hr = newDocument->QueryInterface(IID_IDOMNode, (void**)&domNode);
+                newDocument->Release();
+            }
+        }
+        break;
+        default:
+        {
+            DOMNode* newNode = new DOMNode(n);
+            hr = newNode->QueryInterface(IID_IDOMNode, (void**)&domNode);
+        }
+        break;
+    }
+
+    if (FAILED(hr))
+        return 0;
+
+    return domNode;
+}
+
+// DOMNodeList - IUnknown -----------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMNodeList::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IDOMNodeList))
+        *ppvObject = static_cast<IDOMNodeList*>(this);
+    else
+        return DOMObject::QueryInterface(riid, ppvObject);
+
+    AddRef();
+    return S_OK;
+}
+
+// IDOMNodeList ---------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMNodeList::item( 
+    /* [in] */ UINT index,
+    /* [retval][out] */ IDOMNode **result)
+{
+    *result = 0;
+    if (!m_nodeList)
+        return E_FAIL;
+
+    WebCore::Node* itemNode = m_nodeList->item(index);
+    if (!itemNode)
+        return E_FAIL;
+
+    *result = DOMNode::createInstance(itemNode);
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMNodeList::length( 
+        /* [retval][out] */ UINT *result)
+{
+    *result = 0;
+    if (!m_nodeList)
+        return E_FAIL;
+    *result = m_nodeList->length();
+    return S_OK;
+}
+
+// DOMNodeList - DOMNodeList --------------------------------------------------
+
+DOMNodeList::DOMNodeList(WebCore::NodeList* l)
+: m_nodeList(0)
+{
+    if (l)
+        l->ref();
+
+    m_nodeList = l;
+}
+
+DOMNodeList::~DOMNodeList()
+{
+    if (m_nodeList)
+        m_nodeList->deref();
+}
+
+IDOMNodeList* DOMNodeList::createInstance(WebCore::NodeList* l)
+{
+    if (!l)
+        return 0;
+
+    IDOMNodeList* domNodeList = 0;
+    DOMNodeList* newNodeList = new DOMNodeList(l);
+    if (FAILED(newNodeList->QueryInterface(IID_IDOMNodeList, (void**)&domNodeList)))
+        return 0;
+
+    return domNodeList;
+}
+
+// DOMDocument - IUnknown -----------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMDocument::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IDOMDocument))
+        *ppvObject = static_cast<IDOMDocument*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMViewCSS))
+        *ppvObject = static_cast<IDOMViewCSS*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMDocumentEvent))
+        *ppvObject = static_cast<IDOMDocumentEvent*>(this);
+    else
+        return DOMNode::QueryInterface(riid, ppvObject);
+
+    AddRef();
+    return S_OK;
+}
+
+// DOMDocument ----------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMDocument::doctype( 
+    /* [retval][out] */ IDOMDocumentType** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::implementation( 
+    /* [retval][out] */ IDOMImplementation** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::documentElement( 
+    /* [retval][out] */ IDOMElement** result)
+{
+    *result = DOMElement::createInstance(m_document->documentElement());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createElement( 
+    /* [in] */ BSTR tagName,
+    /* [retval][out] */ IDOMElement** result)
+{
+    if (!m_document)
+        return E_FAIL;
+
+    String tagNameString(tagName);
+    ExceptionCode ec;
+    *result = DOMElement::createInstance(m_document->createElement(tagNameString, ec).get());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createDocumentFragment( 
+    /* [retval][out] */ IDOMDocumentFragment** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createTextNode( 
+    /* [in] */ BSTR /*data*/,
+    /* [retval][out] */ IDOMText** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createComment( 
+    /* [in] */ BSTR /*data*/,
+    /* [retval][out] */ IDOMComment** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createCDATASection( 
+    /* [in] */ BSTR /*data*/,
+    /* [retval][out] */ IDOMCDATASection** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createProcessingInstruction( 
+    /* [in] */ BSTR /*target*/,
+    /* [in] */ BSTR /*data*/,
+    /* [retval][out] */ IDOMProcessingInstruction** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createAttribute( 
+    /* [in] */ BSTR /*name*/,
+    /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createEntityReference( 
+    /* [in] */ BSTR /*name*/,
+    /* [retval][out] */ IDOMEntityReference** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::getElementsByTagName( 
+    /* [in] */ BSTR tagName,
+    /* [retval][out] */ IDOMNodeList** result)
+{
+    if (!m_document)
+        return E_FAIL;
+
+    String tagNameString(tagName);
+    *result = DOMNodeList::createInstance(m_document->getElementsByTagName(tagNameString).get());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::importNode( 
+    /* [in] */ IDOMNode* /*importedNode*/,
+    /* [in] */ BOOL /*deep*/,
+    /* [retval][out] */ IDOMNode** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createElementNS( 
+    /* [in] */ BSTR /*namespaceURI*/,
+    /* [in] */ BSTR /*qualifiedName*/,
+    /* [retval][out] */ IDOMElement** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createAttributeNS( 
+    /* [in] */ BSTR /*namespaceURI*/,
+    /* [in] */ BSTR /*qualifiedName*/,
+    /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::getElementsByTagNameNS( 
+    /* [in] */ BSTR namespaceURI,
+    /* [in] */ BSTR localName,
+    /* [retval][out] */ IDOMNodeList** result)
+{
+    if (!m_document)
+        return E_FAIL;
+
+    String namespaceURIString(namespaceURI);
+    String localNameString(localName);
+    *result = DOMNodeList::createInstance(m_document->getElementsByTagNameNS(namespaceURIString, localNameString).get());
+    return *result ? S_OK : E_FAIL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMDocument::getElementById( 
+    /* [in] */ BSTR elementId,
+    /* [retval][out] */ IDOMElement** result)
+{
+    if (!m_document)
+        return E_FAIL;
+
+    String idString(elementId);
+    *result = DOMElement::createInstance(m_document->getElementById(idString));
+    return *result ? S_OK : E_FAIL;
+}
+
+// DOMDocument - IDOMViewCSS --------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMDocument::getComputedStyle( 
+    /* [in] */ IDOMElement* elt,
+    /* [in] */ BSTR pseudoElt,
+    /* [retval][out] */ IDOMCSSStyleDeclaration** result)
+{
+    if (!elt || !result)
+        return E_POINTER;
+
+    COMPtr<DOMElement> domEle;
+    HRESULT hr = elt->QueryInterface(IID_DOMElement, (void**)&domEle);
+    if (FAILED(hr))
+        return hr;
+    Element* element = domEle->element();
+
+    WebCore::DOMWindow* dv = m_document->defaultView();
+    String pseudoEltString(pseudoElt);
+    
+    if (!dv)
+        return E_FAIL;
+    
+    *result = DOMCSSStyleDeclaration::createInstance(dv->getComputedStyle(element, pseudoEltString.impl()).get());
+    return *result ? S_OK : E_FAIL;
+}
+
+// DOMDocument - IDOMDocumentEvent --------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMDocument::createEvent( 
+    /* [in] */ BSTR eventType,
+    /* [retval][out] */ IDOMEvent **result)
+{
+    String eventTypeString(eventType, SysStringLen(eventType));
+    WebCore::ExceptionCode ec = 0;
+    *result = DOMEvent::createInstance(m_document->createEvent(eventTypeString, ec));
+    return *result ? S_OK : E_FAIL;
+}
+
+// DOMDocument - DOMDocument --------------------------------------------------
+
+DOMDocument::DOMDocument(WebCore::Document* d)
+: DOMNode(d)
+, m_document(d)
+{
+}
+
+DOMDocument::~DOMDocument()
+{
+}
+
+IDOMDocument* DOMDocument::createInstance(WebCore::Document* d)
+{
+    if (!d)
+        return 0;
+
+    HRESULT hr;
+    IDOMDocument* domDocument = 0;
+
+    if (d->isHTMLDocument()) {
+        DOMHTMLDocument* newDocument = new DOMHTMLDocument(d);
+        hr = newDocument->QueryInterface(IID_IDOMDocument, (void**)&domDocument);
+    } else {
+        DOMDocument* newDocument = new DOMDocument(d);
+        hr = newDocument->QueryInterface(IID_IDOMDocument, (void**)&domDocument);
+    }
+
+    if (FAILED(hr))
+        return 0;
+
+    return domDocument;
+}
+
+// DOMElement - IUnknown ------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMElement::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IDOMElement))
+        *ppvObject = static_cast<IDOMElement*>(this);
+    else if (IsEqualGUID(riid, IID_DOMElement))
+        *ppvObject = static_cast<DOMElement*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMElementPrivate))
+        *ppvObject = static_cast<IDOMElementPrivate*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMNodeExtensions))
+        *ppvObject = static_cast<IDOMNodeExtensions*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMElementCSSInlineStyle))
+        *ppvObject = static_cast<IDOMElementCSSInlineStyle*>(this);
+    else if (IsEqualGUID(riid, IID_IDOMElementExtensions))
+        *ppvObject = static_cast<IDOMElementExtensions*>(this);
+    else
+        return DOMNode::QueryInterface(riid, ppvObject);
+
+    AddRef();
+    return S_OK;
+}
+
+// DOMElement - IDOMNodeExtensions---------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMElement::boundingBox( 
+    /* [retval][out] */ LPRECT rect)
+{
+    ::SetRectEmpty(rect);
+
+    if (!m_element)
+        return E_FAIL;
+
+    WebCore::RenderObject *renderer = m_element->renderer();
+    if (renderer) {
+        IntRect boundsIntRect = renderer->absoluteBoundingBoxRect();
+        rect->left = boundsIntRect.x();
+        rect->top = boundsIntRect.y();
+        rect->right = boundsIntRect.x() + boundsIntRect.width();
+        rect->bottom = boundsIntRect.y() + boundsIntRect.height();
+    }
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::lineBoxRects( 
+    /* [size_is][in] */ RECT* /*rects*/,
+    /* [in] */ int /*cRects*/)
+{
+    return E_NOTIMPL;
+}
+
+// IDOMElement ----------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMElement::tagName( 
+        /* [retval][out] */ BSTR* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    if (!result)
+        return E_POINTER;
+
+    *result = BString(m_element->tagName()).release();
+    return S_OK;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getAttribute( 
+        /* [in] */ BSTR name,
+        /* [retval][out] */ BSTR* result)
+{
+    if (!m_element)
+        return E_FAIL;
+    WebCore::String nameString(name, SysStringLen(name));
+    WebCore::String& attrValueString = (WebCore::String&) m_element->getAttribute(nameString);
+    *result = SysAllocStringLen(attrValueString.characters(), attrValueString.length());
+    if (attrValueString.length() && !*result)
+        return E_OUTOFMEMORY;
+    return S_OK;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::setAttribute( 
+        /* [in] */ BSTR name,
+        /* [in] */ BSTR value)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    WebCore::String nameString(name, SysStringLen(name));
+    WebCore::String valueString(value, SysStringLen(value));
+    WebCore::ExceptionCode ec = 0;
+    m_element->setAttribute(nameString, valueString, ec);
+    return ec ? E_FAIL : S_OK;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::removeAttribute( 
+        /* [in] */ BSTR /*name*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getAttributeNode( 
+        /* [in] */ BSTR /*name*/,
+        /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::setAttributeNode( 
+        /* [in] */ IDOMAttr* /*newAttr*/,
+        /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::removeAttributeNode( 
+        /* [in] */ IDOMAttr* /*oldAttr*/,
+        /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getElementsByTagName( 
+        /* [in] */ BSTR /*name*/,
+        /* [retval][out] */ IDOMNodeList** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getAttributeNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*localName*/,
+        /* [retval][out] */ BSTR* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::setAttributeNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*qualifiedName*/,
+        /* [in] */ BSTR /*value*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::removeAttributeNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*localName*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getAttributeNodeNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*localName*/,
+        /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::setAttributeNodeNS( 
+        /* [in] */ IDOMAttr* /*newAttr*/,
+        /* [retval][out] */ IDOMAttr** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::getElementsByTagNameNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*localName*/,
+        /* [retval][out] */ IDOMNodeList** /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::hasAttribute( 
+        /* [in] */ BSTR /*name*/,
+        /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+    
+HRESULT STDMETHODCALLTYPE DOMElement::hasAttributeNS( 
+        /* [in] */ BSTR /*namespaceURI*/,
+        /* [in] */ BSTR /*localName*/,
+        /* [retval][out] */ BOOL* /*result*/)
+{
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::focus( void)
+{
+    if (!m_element)
+        return E_FAIL;
+    m_element->focus();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::blur( void)
+{
+    if (!m_element)
+        return E_FAIL;
+    m_element->blur();
+    return S_OK;
+}
+
+// IDOMElementPrivate ---------------------------------------------------------
+
+HRESULT DOMElement::coreElement(void **element)
+{
+    if (!m_element)
+        return E_FAIL;
+    *element = (void*) m_element;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::isEqual( 
+    /* [in] */ IDOMElement *other,
+    /* [retval][out] */ BOOL *result)
+{
+    *result = FALSE;
+
+    if (!other || !result)
+        return E_POINTER;
+
+    IDOMElementPrivate* otherPriv;
+    HRESULT hr = other->QueryInterface(IID_IDOMElementPrivate, (void**) &otherPriv);
+    if (FAILED(hr))
+        return hr;
+    
+    void* otherCoreEle;
+    hr = otherPriv->coreElement(&otherCoreEle);
+    otherPriv->Release();
+    if (FAILED(hr))
+        return hr;
+
+    *result = (otherCoreEle == (void*)m_element) ? TRUE : FALSE;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::isFocused( 
+    /* [retval][out] */ BOOL *result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    if (m_element->document()->focusedNode() == m_element)
+        *result = TRUE;
+    else
+        *result = FALSE;
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::innerText(
+    /* [retval][out] */ BSTR* result)
+{
+    if (!result) {
+        ASSERT_NOT_REACHED();
+        return E_POINTER;
+    }
+
+    if (!m_element) {
+        ASSERT_NOT_REACHED();
+        return E_FAIL;
+    }
+
+    *result = BString(m_element->innerText()).release();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::font(WebFontDescription* webFontDescription)
+{
+    if (!webFontDescription) {
+        ASSERT_NOT_REACHED();
+        return E_POINTER;
+    }
+
+    ASSERT(m_element);
+
+    WebCore::RenderObject* renderer = m_element->renderer();
+    if (!renderer)
+        return E_FAIL;
+
+    FontDescription fontDescription = renderer->style()->font().fontDescription();
+    AtomicString family = fontDescription.family().family();
+    webFontDescription->family = family.characters();
+    webFontDescription->familyLength = family.length();
+    webFontDescription->size = fontDescription.computedSize();
+    webFontDescription->bold = fontDescription.weight() >= WebCore::FontWeight600;
+    webFontDescription->italic = fontDescription.italic();
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::renderedImage(HBITMAP* image)
+{
+    if (!image) {
+        ASSERT_NOT_REACHED();
+        return E_POINTER;
+    }
+    *image = 0;
+
+    ASSERT(m_element);
+
+    Frame* frame = m_element->document()->frame();
+    if (!frame)
+        return E_FAIL;
+
+    *image = frame->nodeImage(m_element);
+    if (!*image)
+        return E_FAIL;
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::markerTextForListItem(
+    /* [retval][out] */ BSTR* markerText)
+{
+    if (!markerText)
+        return E_POINTER;
+
+    ASSERT(m_element);
+
+    *markerText = BString(WebCore::markerTextForListItem(m_element)).release();
+    return S_OK;
+}
+
+// IDOMElementCSSInlineStyle --------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMElement::style( 
+    /* [retval][out] */ IDOMCSSStyleDeclaration** result)
+{
+    if (!result)
+        return E_POINTER;
+    if (!m_element)
+        return E_FAIL;
+
+    WebCore::CSSStyleDeclaration* style = m_element->style();
+    if (!style)
+        return E_FAIL;
+
+    *result = DOMCSSStyleDeclaration::createInstance(style);
+    return *result ? S_OK : E_FAIL;
+}
+
+// IDOMElementExtensions ------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE DOMElement::offsetLeft( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->offsetLeft();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::offsetTop( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->offsetTop();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::offsetWidth( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->offsetWidth();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::offsetHeight( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->offsetHeight();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::offsetParent( 
+    /* [retval][out] */ IDOMElement** /*result*/)
+{
+    // FIXME
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::clientWidth( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->clientWidth();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::clientHeight( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->clientHeight();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollLeft( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->scrollLeft();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::setScrollLeft( 
+    /* [in] */ int /*newScrollLeft*/)
+{
+    // FIXME
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollTop( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->scrollTop();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::setScrollTop( 
+    /* [in] */ int /*newScrollTop*/)
+{
+    // FIXME
+    ASSERT_NOT_REACHED();
+    return E_NOTIMPL;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollWidth( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->scrollWidth();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollHeight( 
+    /* [retval][out] */ int* result)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    *result = m_element->scrollHeight();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollIntoView( 
+    /* [in] */ BOOL alignWithTop)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    m_element->scrollIntoView(!!alignWithTop);
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DOMElement::scrollIntoViewIfNeeded( 
+    /* [in] */ BOOL centerIfNeeded)
+{
+    if (!m_element)
+        return E_FAIL;
+
+    m_element->scrollIntoViewIfNeeded(!!centerIfNeeded);
+    return S_OK;
+}
+
+// DOMElement -----------------------------------------------------------------
+
+DOMElement::DOMElement(WebCore::Element* e)
+: DOMNode(e)
+, m_element(e)
+{
+}
+
+DOMElement::~DOMElement()
+{
+}
+
+IDOMElement* DOMElement::createInstance(WebCore::Element* e)
+{
+    if (!e)
+        return 0;
+
+    HRESULT hr;
+    IDOMElement* domElement = 0;
+
+    if (e->hasTagName(formTag)) {
+        DOMHTMLFormElement* newElement = new DOMHTMLFormElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->hasTagName(iframeTag)) {
+        DOMHTMLIFrameElement* newElement = new DOMHTMLIFrameElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->hasTagName(inputTag)) {
+        DOMHTMLInputElement* newElement = new DOMHTMLInputElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->hasTagName(optionTag)) {
+        DOMHTMLOptionElement* newElement = new DOMHTMLOptionElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->hasTagName(selectTag)) {
+        DOMHTMLSelectElement* newElement = new DOMHTMLSelectElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->hasTagName(textareaTag)) {
+        DOMHTMLTextAreaElement* newElement = new DOMHTMLTextAreaElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else if (e->isHTMLElement()) {
+        DOMHTMLElement* newElement = new DOMHTMLElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    } else {
+        DOMElement* newElement = new DOMElement(e);
+        hr = newElement->QueryInterface(IID_IDOMElement, (void**)&domElement);
+    }
+
+    if (FAILED(hr))
+        return 0;
+
+    return domElement;
+}