domhtmlclasses.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006, 2007 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 "DOMHTMLClasses.h"
#include "COMPtr.h"

#pragma warning(push, 0)
#include <WebCore/BString.h>
#include <WebCore/Document.h>
#include <WebCore/Element.h>
#include <WebCore/FrameView.h>
#include <WebCore/HTMLDocument.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/IntRect.h>
#include <WebCore/RenderObject.h>
#include <WebCore/RenderTextControl.h>
#pragma warning(pop)

using namespace WebCore;
using namespace HTMLNames;

// DOMHTMLCollection

DOMHTMLCollection::DOMHTMLCollection(WebCore::HTMLCollection* c)
: m_collection(c)
{
}

IDOMHTMLCollection* DOMHTMLCollection::createInstance(WebCore::HTMLCollection* c)
{
    if (!c)
        return 0;

    IDOMHTMLCollection* htmlCollection = 0;
    DOMHTMLCollection* newCollection = new DOMHTMLCollection(c);
    if (FAILED(newCollection->QueryInterface(IID_IDOMHTMLCollection, (void**)&htmlCollection))) {
        delete newCollection;
        return 0;
    }

    return htmlCollection;
}

// DOMHTMLCollection - IUnknown -----------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLCollection::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IDOMHTMLCollection))
        *ppvObject = static_cast<IDOMHTMLCollection*>(this);
    else
        return DOMObject::QueryInterface(riid, ppvObject);

    AddRef();
    return S_OK;
}

// DOMHTMLCollection ----------------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLCollection::length( 
    /* [retval][out] */ UINT* result)
{
    *result = 0;
    if (!m_collection)
        return E_POINTER;

    *result = m_collection->length();
    return S_OK;
}

HRESULT STDMETHODCALLTYPE DOMHTMLCollection::item( 
    /* [in] */ UINT index,
    /* [retval][out] */ IDOMNode** node)
{
    *node = 0;
    if (!m_collection)
        return E_POINTER;

    *node = DOMNode::createInstance(m_collection->item(index));
    return *node ? S_OK : E_FAIL;
}

HRESULT STDMETHODCALLTYPE DOMHTMLCollection::namedItem( 
    /* [in] */ BSTR /*name*/,
    /* [retval][out] */ IDOMNode** /*node*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

// DOMHTMLOptionsCollection - IUnknown ----------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLOptionsCollection::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IDOMHTMLOptionsCollection))
        *ppvObject = static_cast<IDOMHTMLOptionsCollection*>(this);
    else
        return DOMObject::QueryInterface(riid, ppvObject);

    AddRef();
    return S_OK;
}

// DOMHTMLOptionsCollection ---------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLOptionsCollection::length( 
    /* [retval][out] */ unsigned int* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

HRESULT STDMETHODCALLTYPE DOMHTMLOptionsCollection::setLength( 
    /* [in] */ unsigned int /*length*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

HRESULT STDMETHODCALLTYPE DOMHTMLOptionsCollection::item( 
    /* [in] */ unsigned int /*index*/,
    /* [retval][out] */ IDOMNode** /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

HRESULT STDMETHODCALLTYPE DOMHTMLOptionsCollection::namedItem( 
    /* [in] */ BSTR /*name*/,
    /* [retval][out] */ IDOMNode* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

// DOMHTMLDocument - IUnknown -------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLDocument::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IDOMHTMLDocument))
        *ppvObject = static_cast<IDOMHTMLDocument*>(this);
    else
        return DOMDocument::QueryInterface(riid, ppvObject);

    AddRef();
    return S_OK;
}

// DOMHTMLDocument ------------------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLDocument::title( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::setTitle( 
        /* [in] */ BSTR /*title*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::referrer( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::domain( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::URL( 
        /* [retval][out] */ BSTR* result)
{
    if (!result)
        return E_POINTER;

    *result = BString(static_cast<HTMLDocument*>(m_document)->url()).release();
    return S_OK;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::body( 
        /* [retval][out] */ IDOMHTMLElement** bodyElement)
{
    *bodyElement = 0;
    if (!m_document || !m_document->isHTMLDocument())
        return E_FAIL;

    HTMLDocument* htmlDoc = static_cast<HTMLDocument*>(m_document);
    COMPtr<IDOMElement> domElement;
    domElement.adoptRef(DOMHTMLElement::createInstance(htmlDoc->body()));
    if (domElement)
        return domElement->QueryInterface(IID_IDOMHTMLElement, (void**) bodyElement);
    return E_FAIL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::setBody( 
        /* [in] */ IDOMHTMLElement* /*body*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::images( 
        /* [retval][out] */ IDOMHTMLCollection** /*collection*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::applets( 
        /* [retval][out] */ IDOMHTMLCollection** /*collection*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::links( 
        /* [retval][out] */ IDOMHTMLCollection** /*collection*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::forms( 
        /* [retval][out] */ IDOMHTMLCollection** collection)
{
    *collection = 0;
    if (!m_document || !m_document->isHTMLDocument())
        return E_FAIL;

    HTMLDocument* htmlDoc = static_cast<HTMLDocument*>(m_document);
    *collection = DOMHTMLCollection::createInstance(htmlDoc->forms().get());
    return S_OK;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::anchors( 
        /* [retval][out] */ IDOMHTMLCollection** /*collection*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::cookie( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::setCookie( 
        /* [in] */ BSTR /*cookie*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::open( void)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::close( void)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::write( 
        /* [in] */ BSTR /*text*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::writeln( 
        /* [in] */ BSTR /*text*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::getElementById_( 
        /* [in] */ BSTR /*elementId*/,
        /* [retval][out] */ IDOMElement** /*element*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLDocument::getElementsByName( 
        /* [in] */ BSTR /*elementName*/,
        /* [retval][out] */ IDOMNodeList** /*nodeList*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

// DOMHTMLElement - IUnknown --------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLElement::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IDOMHTMLElement))
        *ppvObject = static_cast<IDOMHTMLElement*>(this);
    else
        return DOMElement::QueryInterface(riid, ppvObject);

    AddRef();
    return S_OK;
}

// DOMHTMLElement -------------------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLElement::idName( 
        /* [retval][out] */ BSTR* result)
{
    if (!result)
        return E_POINTER;

    ASSERT(m_element && m_element->isHTMLElement());
    String idString = static_cast<HTMLElement*>(m_element)->id();
    *result = BString(idString).release();
    return S_OK;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setIdName( 
        /* [in] */ BSTR /*idName*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::title( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setTitle( 
        /* [in] */ BSTR /*title*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::lang( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setLang( 
        /* [in] */ BSTR /*lang*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::dir( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setDir( 
        /* [in] */ BSTR /*dir*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::className( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setClassName( 
        /* [in] */ BSTR /*className*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}

HRESULT STDMETHODCALLTYPE DOMHTMLElement::innerHTML( 
        /* [retval][out] */ BSTR* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
        
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setInnerHTML( 
        /* [in] */ BSTR /*html*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
        
HRESULT STDMETHODCALLTYPE DOMHTMLElement::innerText( 
        /* [retval][out] */ BSTR* result)
{
    ASSERT(m_element && m_element->isHTMLElement());
    WebCore::String innerTextString = static_cast<HTMLElement*>(m_element)->innerText();
    *result = BString(innerTextString.characters(), innerTextString.length()).release();
    return S_OK;
}
        
HRESULT STDMETHODCALLTYPE DOMHTMLElement::setInnerText( 
        /* [in] */ BSTR text)
{
    ASSERT(m_element && m_element->isHTMLElement());
    HTMLElement* htmlEle = static_cast<HTMLElement*>(m_element);
    WebCore::String textString(text, SysStringLen(text));
    WebCore::ExceptionCode ec = 0;
    htmlEle->setInnerText(textString, ec);
    return S_OK;
}

// DOMHTMLFormElement - IUnknown ----------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::QueryInterface(REFIID riid, void** ppvObject)
{
    *ppvObject = 0;
    if (IsEqualGUID(riid, IID_IDOMHTMLFormElement))
        *ppvObject = static_cast<IDOMHTMLFormElement*>(this);
    else
        return DOMHTMLElement::QueryInterface(riid, ppvObject);

    AddRef();
    return S_OK;
}

// DOMHTMLFormElement ---------------------------------------------------------

HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::elements( 
        /* [retval][out] */ IDOMHTMLCollection** /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::length( 
        /* [retval][out] */ int* /*result*/)
{
    ASSERT_NOT_REACHED();
    return E_NOTIMPL;
}
    
HRESULT STDMETHODCALLTYPE DOMHTMLFormElement::name(