html_formimpl.cpp

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                            KMimeType::Ptr ptr = KMimeType::findByURL(KURL(path));
                            QString mimeType = ptr->name();
#endif
                            if (!mimeType.isEmpty()) {
                                hstr += "\r\nContent-Type: ";
                                hstr += mimeType.ascii();
                            }
                        }
                    }

                    hstr += "\r\n\r\n";
                    ++it;

                    // append body
                    form_data.appendData(hstr.data(), hstr.length());
#if APPLE_CHANGES
                    const FormDataListItem &item = *it;
                    size_t dataSize = item.m_data.size();
                    if (dataSize != 0)
                        form_data.appendData(item.m_data, dataSize - 1);
                    else if (!item.m_path.isEmpty())
                        form_data.appendFile(item.m_path);
#else
                    form_data.appendData((*it).m_data, (*it).m_data.size() - 1);
#endif
                    form_data.appendData("\r\n", 2);
                }
            }
        }
    }

#if !APPLE_CHANGES
    if (fileUploads.count()) {
        int result = KMessageBox::warningContinueCancelList( 0,
                                                             i18n("You're about to transfer the following files from "
                                                                  "your local computer to the Internet.\n"
                                                                  "Do you really want to continue?"),
                                                             fileUploads);


        if (result == KMessageBox::Cancel) {
            return false;
        }
    }
#endif

    if (m_multipart)
        enc_string = ("--" + m_boundary.string() + "--\r\n").ascii();

    form_data.appendData(enc_string.data(), enc_string.length());
    return true;
}

void HTMLFormElementImpl::setEnctype( const DOMString& type )
{
    if(type.string().find("multipart", 0, false) != -1 || type.string().find("form-data", 0, false) != -1)
    {
        m_enctype = "multipart/form-data";
        m_multipart = true;
        m_post = true;
    } else if (type.string().find("text", 0, false) != -1 || type.string().find("plain", 0, false) != -1)
    {
        m_enctype = "text/plain";
        m_multipart = false;
    }
    else
    {
        m_enctype = "application/x-www-form-urlencoded";
        m_multipart = false;
    }
}

void HTMLFormElementImpl::setBoundary( const DOMString& bound )
{
    m_boundary = bound;
}

bool HTMLFormElementImpl::prepareSubmit()
{
    KHTMLPart *part = getDocument()->part();
    if(m_insubmit || !part || part->onlyLocalReferences())
        return m_insubmit;

    m_insubmit = true;
    m_doingsubmit = false;

    if ( dispatchHTMLEvent(EventImpl::SUBMIT_EVENT,false,true) && !m_doingsubmit )
        m_doingsubmit = true;

    m_insubmit = false;

    if ( m_doingsubmit )
        submit(true);

    return m_doingsubmit;
}

void HTMLFormElementImpl::submit( bool activateSubmitButton )
{
    KHTMLView *view = getDocument()->view();
    KHTMLPart *part = getDocument()->part();
    if (!view || !part) {
        return;
    }

    if ( m_insubmit ) {
        m_doingsubmit = true;
        return;
    }

    m_insubmit = true;

#ifdef FORMS_DEBUG
    kdDebug( 6030 ) << "submitting!" << endl;
#endif

    HTMLGenericFormElementImpl* firstSuccessfulSubmitButton = 0;
    bool needButtonActivation = activateSubmitButton;	// do we need to activate a submit button?

#if APPLE_CHANGES
    KWQ(part)->clearRecordedFormValues();
#endif
    for (unsigned i = 0; i < formElements.count(); ++i) {
        HTMLGenericFormElementImpl* current = formElements[i];
#if APPLE_CHANGES
        // Our app needs to get form values for password fields for doing password autocomplete,
        // so we are more lenient in pushing values, and let the app decide what to save when.
        if (current->id() == ID_INPUT) {
            HTMLInputElementImpl *input = static_cast<HTMLInputElementImpl*>(current);
            if (input->inputType() == HTMLInputElementImpl::TEXT
                || input->inputType() ==  HTMLInputElementImpl::PASSWORD
                || input->inputType() == HTMLInputElementImpl::SEARCH)
            {
                KWQ(part)->recordFormValue(input->name().string(), input->value().string(), this);
                if (input->renderer() && input->inputType() == HTMLInputElementImpl::SEARCH)
                    static_cast<RenderLineEdit*>(input->renderer())->addSearchResult();
            }
        }
#else
        if (current->id() == ID_INPUT &&
            static_cast<HTMLInputElementImpl*>(current)->inputType() == HTMLInputElementImpl::TEXT &&
            static_cast<HTMLInputElementImpl*>(current)->autoComplete() )
        {
            HTMLInputElementImpl *input = static_cast<HTMLInputElementImpl *>(current);
            view->addFormCompletionItem(input->name().string(), input->value().string());
        }
#endif

        if (needButtonActivation) {
            if (current->isActivatedSubmit()) {
                needButtonActivation = false;
            } else if (firstSuccessfulSubmitButton == 0 && current->isSuccessfulSubmitButton()) {
                firstSuccessfulSubmitButton = current;
            }
        }
    }

    if (needButtonActivation && firstSuccessfulSubmitButton) {
        firstSuccessfulSubmitButton->setActivatedSubmit(true);
    }

    FormData form_data;
    if (formData(form_data)) {
        if(m_post) {
            part->submitForm( "post", m_url.string(), form_data,
                                      m_target.string(),
                                      enctype().string(),
                                      boundary().string() );
        }
        else {
            part->submitForm( "get", m_url.string(), form_data,
                                      m_target.string() );
        }
    }

    if (needButtonActivation && firstSuccessfulSubmitButton) {
        firstSuccessfulSubmitButton->setActivatedSubmit(false);
    }

    m_doingsubmit = m_insubmit = false;
}

void HTMLFormElementImpl::reset(  )
{
    KHTMLPart *part = getDocument()->part();
    if(m_inreset || !part) return;

    m_inreset = true;

#ifdef FORMS_DEBUG
    kdDebug( 6030 ) << "reset pressed!" << endl;
#endif

    // ### DOM2 labels this event as not cancelable, however
    // common browsers( sick! ) allow it be cancelled.
    if ( !dispatchHTMLEvent(EventImpl::RESET_EVENT,true, true) ) {
        m_inreset = false;
        return;
    }

    for (unsigned i = 0; i < formElements.count(); ++i)
        formElements[i]->reset();

    m_inreset = false;
}

void HTMLFormElementImpl::parseHTMLAttribute(HTMLAttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_ACTION:
#if APPLE_CHANGES
        {
        bool oldURLWasSecure = formWouldHaveSecureSubmission(m_url);
#endif
        m_url = khtml::parseURL(attr->value());
#if APPLE_CHANGES
        bool newURLIsSecure = formWouldHaveSecureSubmission(m_url);

        if (m_attached && (oldURLWasSecure != newURLIsSecure))
            if (newURLIsSecure)
                getDocument()->secureFormAdded();
            else
                getDocument()->secureFormRemoved();
        }
#endif
        break;
    case ATTR_TARGET:
        m_target = attr->value();
        break;
    case ATTR_METHOD:
        if ( strcasecmp( attr->value(), "post" ) == 0 )
            m_post = true;
        else if ( strcasecmp( attr->value(), "get" ) == 0 )
            m_post = false;
        break;
    case ATTR_ENCTYPE:
        setEnctype( attr->value() );
        break;
    case ATTR_ACCEPT_CHARSET:
        // space separated list of charsets the server
        // accepts - see rfc2045
        m_acceptcharset = attr->value();
        break;
    case ATTR_ACCEPT:
        // ignore this one for the moment...
        break;
    case ATTR_AUTOCOMPLETE:
        m_autocomplete = strcasecmp( attr->value(), "off" );
        break;
    case ATTR_ONSUBMIT:
        setHTMLEventListener(EventImpl::SUBMIT_EVENT,
	    getDocument()->createHTMLEventListener(attr->value().string(), this));
        break;
    case ATTR_ONRESET:
        setHTMLEventListener(EventImpl::RESET_EVENT,
	    getDocument()->createHTMLEventListener(attr->value().string(), this));
        break;
    case ATTR_NAME:
	{
	    QString newNameAttr = attr->value().string();
	    if (attached() && getDocument()->isHTMLDocument()) {
		HTMLDocumentImpl *document = static_cast<HTMLDocumentImpl *>(getDocument());
		document->removeNamedImageOrForm(oldNameAttr);
		document->addNamedImageOrForm(newNameAttr);
	    }
	    oldNameAttr = newNameAttr;
	}
	break;
    case ATTR_ID:
	{
	    QString newIdAttr = attr->value().string();
	    if (attached() && getDocument()->isHTMLDocument()) {
		HTMLDocumentImpl *document = static_cast<HTMLDocumentImpl *>(getDocument());
		document->removeNamedImageOrForm(oldIdAttr);
		document->addNamedImageOrForm(newIdAttr);
	    }
	    oldIdAttr = newIdAttr;
	}
	// fall through
    default:
        HTMLElementImpl::parseHTMLAttribute(attr);
    }
}

void HTMLFormElementImpl::radioClicked( HTMLGenericFormElementImpl *caller )
{
    for (unsigned i = 0; i < formElements.count(); ++i) {
        HTMLGenericFormElementImpl *current = formElements[i];
        if (current->id() == ID_INPUT &&
            static_cast<HTMLInputElementImpl*>(current)->inputType() == HTMLInputElementImpl::RADIO &&
            current != caller && current->form() == caller->form() && current->name() == caller->name()) {
            static_cast<HTMLInputElementImpl*>(current)->setChecked(false);
        }
    }
}

template<class T> static void appendToVector(QPtrVector<T> &vec, T *item)
{
    unsigned size = vec.size();
    unsigned count = vec.count();
    if (size == count)
        vec.resize(size == 0 ? 8 : (int)(size * 1.5));
    vec.insert(count, item);
}

template<class T> static void removeFromVector(QPtrVector<T> &vec, T *item)
{
    int pos = vec.findRef(item);
    int count = vec.count();

    if (pos < 0)
        return;

    for (int i = pos; i < count - 1; i++) {
        vec.insert(i, vec[i+1]);
    }
    vec.remove(count - 1);
}

void HTMLFormElementImpl::registerFormElement(HTMLGenericFormElementImpl *e)
{
    appendToVector(formElements, e);
    removeFromVector(dormantFormElements, e);
}

void HTMLFormElementImpl::removeFormElement(HTMLGenericFormElementImpl *e)
{
    removeFromVector(formElements, e);
    removeFromVector(dormantFormElements, e);
}

void HTMLFormElementImpl::makeFormElementDormant(HTMLGenericFormElementImpl *e)
{
    appendToVector(dormantFormElements, e);
    removeFromVector(formElements, e);
}

bool HTMLFormElementImpl::isURLAttribute(AttributeImpl *attr) const
{
    return attr->id() == ATTR_ACTION;
}

void HTMLFormElementImpl::registerImgElement(HTMLImageElementImpl *e)
{
    appendToVector(imgElements, e);
}

void HTMLFormElementImpl::removeImgElement(HTMLImageElementImpl *e)
{
    removeFromVector(imgElements, e);
}

// -------------------------------------------------------------------------

HTMLGenericFormElementImpl::HTMLGenericFormElementImpl(DocumentPtr *doc, HTMLFormElementImpl *f)
    : HTMLElementImpl(doc)
{
    m_disabled = m_readOnly = false;
    m_name = 0;
    m_dormant = false;

    if (f)
	m_form = f;
    else
	m_form = getForm();
    if (m_form)
        m_form->registerFormElement(this);
}

HTMLGenericFormElementImpl::~HTMLGenericFormElementImpl()
{
    if (m_form)
        m_form->removeFormElement(this);
    if (m_name) m_name->deref();
}

void HTMLGenericFormElementImpl::parseHTMLAttribute(HTMLAttributeImpl *attr)
{
    switch(attr->id())
    {
    case ATTR_NAME:
        break;
    case ATTR_DISABLED:
        setDisabled( !attr->isNull() );
        break;
    case ATTR_READONLY:
    {
        bool m_oldreadOnly = m_readOnly;
        m_readOnly = !attr->isNull();
        if (m_oldreadOnly != m_readOnly) setChanged();
        break;
    }
    default:
        HTMLElementImpl::parseHTMLAttribute(attr);
    }
}

void HTMLGenericFormElementImpl::attach()
{
    assert(!attached());

    // FIXME: This handles the case of a new form element being created by
    // JavaScript and inserted inside a form. What it does not handle is
    // a form element being moved from inside a form to outside, or from one
    // inside one form to another. The reason this other case is hard to fix
    // is that during parsing, we may have been passed a form that we are not
    // inside, DOM-tree-wise. If so, it's hard for us to know when we should
    // be removed from that form's element list.
    if (!m_form) {
	m_form = getForm();
	if (m_form)
	    m_form->registerFormElement(this);
    }

    HTMLElementImpl::attach();

    // The call to updateFromElement() needs to go after the call through
    // to the base class's attach() because that can sometimes do a close
    // on the renderer.
    if (m_render) {
        m_render->updateFromElement();