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

WebSearchableFormData::WebSearchableFormData(const WebFormElement& form, const WebInputElement& selectedInputElement)
{
    RefPtr<HTMLFormElement> formElement = form.operator PassRefPtr<HTMLFormElement>();
    const Frame* frame = formElement->document()->frame();
    if (!frame)
        return;

    HTMLInputElement* inputElement = selectedInputElement.operator PassRefPtr<HTMLInputElement>().get();

    // Only consider forms that GET data.
    // Allow HTTPS only when an input element is provided. 
    if (equalIgnoringCase(formElement->getAttribute(methodAttr), "post") 
        || (!IsHTTPFormSubmit(formElement.get()) && !inputElement))
        return;

    Vector<char> encodedString;
    TextEncoding encoding;

    GetFormEncoding(formElement.get(), &encoding);
    if (!encoding.isValid()) {
        // Need a valid encoding to encode the form elements.
        // If the encoding isn't found webkit ends up replacing the params with
        // empty strings. So, we don't try to do anything here.
        return;
    } 

    // Look for a suitable search text field in the form when a 
    // selectedInputElement is not provided.
    if (!inputElement) {
        inputElement = findSuitableSearchInputElement(formElement.get());

        // Return if no suitable text element has been found.
        if (!inputElement)
            return;
    }

    HTMLFormControlElement* firstSubmitButton = GetButtonToActivate(formElement.get());
    if (firstSubmitButton) {
        // The form does not have an active submit button, make the first button
        // active. We need to do this, otherwise the URL will not contain the
        // name of the submit button.
        firstSubmitButton->setActivatedSubmit(true);
    }

    bool isValidSearchString = buildSearchString(formElement.get(), &encodedString, &encoding, inputElement);

    if (firstSubmitButton)
        firstSubmitButton->setActivatedSubmit(false);

    // Return if the search string is not valid. 
    if (!isValidSearchString)
        return;

    String action(formElement->action());
    KURL url(frame->loader()->completeURL(action.isNull() ? "" : action));
    RefPtr<FormData> formData = FormData::create(encodedString);
    url.setQuery(formData->flattenToString());
    m_url = url;
    m_encoding = String(encoding.name()); 
}

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 processingUserGesture, FormSubmissionTrigger formSubmissionTrigger)
{
    FrameView* view = document()->view();
    Frame* frame = document()->frame();
    if (!view || !frame)
        return;

    if (m_isSubmittingOrPreparingForSubmission) {
        m_shouldSubmit = true;
        return;
    }

    m_isSubmittingOrPreparingForSubmission = true;
    m_wasUserSubmitted = processingUserGesture;

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

    for (unsigned i = 0; i < m_associatedElements.size(); ++i) {
        FormAssociatedElement* associatedElement = m_associatedElements[i];
        if (!associatedElement->isFormControlElement())
            continue;
        if (needButtonActivation) {
            HTMLFormControlElement* control = static_cast<HTMLFormControlElement*>(associatedElement);
            if (control->isActivatedSubmit())
                needButtonActivation = false;
            else if (firstSuccessfulSubmitButton == 0 && control->isSuccessfulSubmitButton())
                firstSuccessfulSubmitButton = control;
        }
    }

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

    bool lockHistory = !processingUserGesture;
    frame->loader()->submitForm(FormSubmission::create(this, m_attributes, event, lockHistory, formSubmissionTrigger));

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

    m_shouldSubmit = false;
    m_isSubmittingOrPreparingForSubmission = 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;
}