C++ HTMLFormControlElement::hasLocalName方法代码示例

bool CredentialTransformData::findPasswordFormFields(HTMLFormElement* form)
{
    ASSERT(form);

    int firstPasswordIndex = 0;
    // First, find the password fields and activated submit button.
    const Vector<FormAssociatedElement*>& formElements = form->associatedElements();
    Vector<HTMLInputElement*> passwords;
    for (size_t i = 0; i < formElements.size(); i++) {
        if (!formElements[i]->isFormControlElement())
            continue;
        HTMLFormControlElement* formElement = static_cast<HTMLFormControlElement*>(formElements[i]);
        if (!formElement->hasLocalName(HTMLNames::inputTag))
            continue;

        HTMLInputElement* inputElement = formElement->toInputElement();
        if (!inputElement->isEnabledFormControl())
            continue;

        if ((passwords.size() < maxPasswords)
            && inputElement->isPasswordField()
            && inputElement->shouldAutocomplete()) {
            if (passwords.isEmpty())
                firstPasswordIndex = i;
            passwords.append(inputElement);
        }
    }

    if (!passwords.isEmpty()) {
        // Then, search backwards for the username field.
        for (int i = firstPasswordIndex - 1; i >= 0; i--) {
            if (!formElements[i]->isFormControlElement())
                continue;
            HTMLFormControlElement* formElement = static_cast<HTMLFormControlElement*>(formElements[i]);
            if (!formElement->hasLocalName(HTMLNames::inputTag))
                continue;

            HTMLInputElement* inputElement = formElement->toInputElement();
            if (!inputElement->isEnabledFormControl())
                continue;

            // Various input types such as text, url, email can be a username field.
            if ((inputElement->isTextField() && !inputElement->isPasswordField())
                && (inputElement->shouldAutocomplete())) {
                m_userNameElement = inputElement;
                break;
            }
        }
    }
    if (!m_userNameElement)
        return false;

    if (!locateSpecificPasswords(passwords, &(m_passwordElement)))
        return false;
    return true;
}

void findPasswordFormFields(HTMLFormElement* form, PasswordFormFields* fields)
{
    ASSERT(form);
    ASSERT(fields);

    int firstPasswordIndex = 0;
    // First, find the password fields and activated submit button
    const Vector<HTMLFormControlElement*>& formElements = form->associatedElements();
    for (size_t i = 0; i < formElements.size(); i++) {
        HTMLFormControlElement* formElement = formElements[i];
        if (formElement->isActivatedSubmit())
            fields->submit = formElement;

        if (!formElement->hasLocalName(HTMLNames::inputTag))
            continue;

        HTMLInputElement* inputElement = toHTMLInputElement(formElement);
        if (!inputElement->isEnabledFormControl())
            continue;

        if ((fields->passwords.size() < maxPasswords)
            && inputElement->isPasswordField()
            && inputElement->autoComplete()) {
            if (fields->passwords.isEmpty())
                firstPasswordIndex = i;
            fields->passwords.append(inputElement);
        }
    }

    if (!fields->passwords.isEmpty()) {
        // Then, search backwards for the username field
        for (int i = firstPasswordIndex - 1; i >= 0; i--) {
            HTMLFormControlElement* formElement = formElements[i];
            if (!formElement->hasLocalName(HTMLNames::inputTag))
                continue;

            HTMLInputElement* inputElement = toHTMLInputElement(formElement);
            if (!inputElement->isEnabledFormControl())
                continue;

            // Various input types such as text, url, email can be a username field.
            if ((inputElement->isTextField() && !inputElement->isPasswordField())
                && (inputElement->autoComplete())) {
                fields->userName = inputElement;
                break;
            }
        }
    }
}

void WebFormElement::getFormControlElements(WebVector<WebFormControlElement>& result) const
{
    const HTMLFormElement* form = constUnwrap<HTMLFormElement>();
    Vector<RefPtr<HTMLFormControlElement> > tempVector;
    // FIXME: We should move the for-loop condition into a variable instead of
    // re-evaluating size each time. Also, consider refactoring this code so that
    // we don't call form->associatedElements() multiple times.
    for (size_t i = 0; i < form->associatedElements().size(); i++) {
        if (!form->associatedElements()[i]->isFormControlElement())
            continue;
        HTMLFormControlElement* element = static_cast<HTMLFormControlElement*>(form->associatedElements()[i]);
        if (element->hasLocalName(HTMLNames::inputTag)
                || element->hasLocalName(HTMLNames::selectTag))
            tempVector.append(element);
    }
    result.assign(tempVector);
}

PassRefPtr<FormSubmission> FormSubmission::create(HTMLFormElement* form, const Attributes& attributes, PassRefPtr<Event> event, bool lockHistory, FormSubmissionTrigger trigger)
{
    ASSERT(form);
    Document* document = form->document();
    KURL actionURL = document->completeURL(attributes.action().isEmpty() ? document->url().string() : attributes.action());
    bool isMailtoForm = actionURL.protocolIs("mailto");
    bool isMultiPartForm = false;
    String encodingType = attributes.encodingType();

    if (attributes.method() == PostMethod) {
        isMultiPartForm = attributes.isMultiPartForm();
        if (isMultiPartForm && isMailtoForm) {
            encodingType = "application/x-www-form-urlencoded";
            isMultiPartForm = false;
        }
    }

    TextEncoding dataEncoding = isMailtoForm ? UTF8Encoding() : FormDataBuilder::encodingFromAcceptCharset(attributes.acceptCharset(), document);
    RefPtr<DOMFormData> domFormData = DOMFormData::create(dataEncoding.encodingForFormSubmission());
    Vector<pair<String, String> > formValues;

    for (unsigned i = 0; i < form->associatedElements().size(); ++i) {
        HTMLFormControlElement* control = form->associatedElements()[i];
        if (!control->disabled())
            control->appendFormData(*domFormData, isMultiPartForm);
        if (control->hasLocalName(inputTag)) {
            HTMLInputElement* input = static_cast<HTMLInputElement*>(control);
            if (input->isTextField()) {
                formValues.append(pair<String, String>(input->name(), input->value()));
                if (input->isSearchField())
                    input->addSearchResult();
            }
        }
    }

    RefPtr<FormData> formData;
    String boundary;

    if (isMultiPartForm) {
        formData = FormData::createMultiPart(*(static_cast<FormDataList*>(domFormData.get())), domFormData->encoding(), document);
        boundary = formData->boundary().data();
    } else {
        formData = FormData::create(*(static_cast<FormDataList*>(domFormData.get())), domFormData->encoding());
        if (attributes.method() == PostMethod && isMailtoForm) {
            // Convert the form data into a string that we put into the URL.
            appendMailtoPostFormDataToURL(actionURL, *formData, encodingType);
            formData = FormData::create();
        }
    }

    formData->setIdentifier(generateFormDataIdentifier());
    String targetOrBaseTarget = attributes.target().isEmpty() ? document->baseTarget() : attributes.target();
    RefPtr<FormState> formState = FormState::create(form, formValues, document->frame(), trigger);
    return adoptRef(new FormSubmission(attributes.method(), actionURL, targetOrBaseTarget, encodingType, formState.release(), formData.release(), boundary, lockHistory, event));
}

void HTMLFormElement::submit(Event* event, bool activateSubmitButton, bool lockHistory, FormSubmissionTrigger formSubmissionTrigger)
{
    FrameView* view = document()->view();
    Frame* frame = document()->frame();
    if (!view || !frame)
        return;

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

    m_insubmit = true;

    HTMLFormControlElement* firstSuccessfulSubmitButton = 0;
    bool needButtonActivation = activateSubmitButton; // do we need to activate a submit button?
    
    Vector<pair<String, String> > formValues;

    for (unsigned i = 0; i < m_associatedElements.size(); ++i) {
        HTMLFormControlElement* control = m_associatedElements[i];
        if (control->hasLocalName(inputTag)) {
            HTMLInputElement* input = static_cast<HTMLInputElement*>(control);
            if (input->isTextField()) {
                formValues.append(pair<String, String>(input->name(), input->value()));
                if (input->isSearchField())
                    input->addSearchResult();
            }
        }
        if (needButtonActivation) {
            if (control->isActivatedSubmit())
                needButtonActivation = false;
            else if (firstSuccessfulSubmitButton == 0 && control->isSuccessfulSubmitButton())
                firstSuccessfulSubmitButton = control;
        }
    }

    RefPtr<FormState> formState = FormState::create(this, formValues, frame, formSubmissionTrigger);

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(true);
    
    if (m_url.isEmpty())
        m_url = document()->url().string();

    RefPtr<FormData> data = prepareFormData();
    String boundary = m_formDataBuilder.isMultiPartForm() ? data->boundary().data() : String();
    const char* method = m_formDataBuilder.isPostMethod() ? "POST" : "GET";
    frame->loader()->submitForm(method, m_url, data.release(), m_target, m_formDataBuilder.encodingType(), boundary, lockHistory, event, formState.release());

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(false);
    
    m_doingsubmit = m_insubmit = false;
}

void HTMLFormElement::submit(Event* event, bool activateSubmitButton, bool lockHistory, bool lockBackForwardList)
{
    FrameView* view = document()->view();
    Frame* frame = document()->frame();
    if (!view || !frame)
        return;

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

    m_insubmit = true;

    HTMLFormControlElement* firstSuccessfulSubmitButton = 0;
    bool needButtonActivation = activateSubmitButton; // do we need to activate a submit button?
    
    Vector<pair<String, String> > formValues;

    for (unsigned i = 0; i < formElements.size(); ++i) {
        HTMLFormControlElement* control = formElements[i];
        if (control->hasLocalName(inputTag)) {
            HTMLInputElement* input = static_cast<HTMLInputElement*>(control);
            if (input->isTextField()) {
                formValues.append(pair<String, String>(input->name(), input->value()));
                if (input->isSearchField())
                    input->addSearchResult();
            }
        }
        if (needButtonActivation) {
            if (control->isActivatedSubmit())
                needButtonActivation = false;
            else if (firstSuccessfulSubmitButton == 0 && control->isSuccessfulSubmitButton())
                firstSuccessfulSubmitButton = control;
        }
    }

    RefPtr<FormState> formState = FormState::create(this, formValues, frame);

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(true);
    
    if (m_url.isEmpty())
        m_url = document()->url().string();

    if (m_formDataBuilder.isPostMethod()) {
        if (m_formDataBuilder.isMultiPartForm() && isMailtoForm()) {
            setEnctype("application/x-www-form-urlencoded");
            ASSERT(!m_formDataBuilder.isMultiPartForm());
        }

        if (!m_formDataBuilder.isMultiPartForm()) {
            RefPtr<FormData> data = createFormData(CString());

            if (isMailtoForm()) {
                // Convert the form data into a string that we put into the URL.
                KURL url = document()->completeURL(m_url);
                transferMailtoPostFormDataToURL(data, url, m_formDataBuilder.encodingType());
                m_url = url.string();
            }

            frame->loader()->submitForm("POST", m_url, data.release(), m_target, m_formDataBuilder.encodingType(), String(), lockHistory, lockBackForwardList, event, formState.release());
        } else {
            Vector<char> boundary = m_formDataBuilder.generateUniqueBoundaryString();
            frame->loader()->submitForm("POST", m_url, createFormData(boundary.data()), m_target, m_formDataBuilder.encodingType(), boundary.data(), lockHistory, lockBackForwardList, event, formState.release());
        }
    } else {
        m_formDataBuilder.setIsMultiPartForm(false);
        frame->loader()->submitForm("GET", m_url, createFormData(CString()), m_target, String(), String(), lockHistory, lockBackForwardList, event, formState.release());
    }

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(false);
    
    m_doingsubmit = m_insubmit = false;
}

void HTMLFormElement::submit(Event* event, bool activateSubmitButton, bool lockHistory, bool lockBackForwardList)
{
    FrameView* view = document()->view();
    Frame* frame = document()->frame();
    if (!view || !frame)
        return;

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

    m_insubmit = true;

    HTMLFormControlElement* firstSuccessfulSubmitButton = 0;
    bool needButtonActivation = activateSubmitButton; // do we need to activate a submit button?
    
    frame->loader()->clearRecordedFormValues();
    frame->loader()->setFormAboutToBeSubmitted(this);
    for (unsigned i = 0; i < formElements.size(); ++i) {
        HTMLFormControlElement* control = formElements[i];
        if (control->hasLocalName(inputTag)) {
            HTMLInputElement* input = static_cast<HTMLInputElement*>(control);
            if (input->isTextField()) {
                frame->loader()->recordFormValue(input->name(), input->value());
                if (input->isSearchField())
                    input->addSearchResult();
            }
        }
        if (needButtonActivation) {
            if (control->isActivatedSubmit())
                needButtonActivation = false;
            else if (firstSuccessfulSubmitButton == 0 && control->isSuccessfulSubmitButton())
                firstSuccessfulSubmitButton = control;
        }
    }

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(true);
    
    if (m_url.isEmpty())
        m_url = document()->url().string();

    if (m_formDataBuilder.isPostMethod()) {
        if (m_formDataBuilder.isMultiPartForm() && isMailtoForm()) {
            setEnctype("application/x-www-form-urlencoded");
            ASSERT(!m_formDataBuilder.isMultiPartForm());
        }

        if (!m_formDataBuilder.isMultiPartForm()) {
            RefPtr<FormData> data = createFormData(CString());
            if (isMailtoForm()) {
                String body = data->flattenToString();
                if (equalIgnoringCase(m_formDataBuilder.encodingType(), "text/plain")) {
                    // Convention seems to be to decode, and s/&/\r\n/. Also, spaces are encoded as %20.
                    body = decodeURLEscapeSequences(body.replace('&', "\r\n").replace('+', ' ') + "\r\n");
                }
                Vector<char> bodyData;
                bodyData.append("body=", 5);
                FormDataBuilder::encodeStringAsFormData(bodyData, body.utf8());
                data = FormData::create(String(bodyData.data(), bodyData.size()).replace('+', "%20").latin1());
            }
            frame->loader()->submitForm("POST", m_url, data, m_target, m_formDataBuilder.encodingType(), String(), event, lockHistory, lockBackForwardList);
        } else {
            Vector<char> boundary = m_formDataBuilder.generateUniqueBoundaryString();
            frame->loader()->submitForm("POST", m_url, createFormData(boundary.data()), m_target, m_formDataBuilder.encodingType(), boundary.data(), event, lockHistory, lockBackForwardList);
        }
    } else {
        m_formDataBuilder.setIsMultiPartForm(false);
        frame->loader()->submitForm("GET", m_url, createFormData(CString()), m_target, String(), String(), event, lockHistory, lockBackForwardList);
    }

    if (needButtonActivation && firstSuccessfulSubmitButton)
        firstSuccessfulSubmitButton->setActivatedSubmit(false);
    
    m_doingsubmit = m_insubmit = false;
}