third_party/blink/renderer/core/html/forms/base_checkable_input_type.cc

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2011 Apple Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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#include "third_party/blink/renderer/core/html/forms/base_checkable_input_type.h"

#include "third_party/blink/renderer/core/events/keyboard_event.h"
#include "third_party/blink/renderer/core/frame/use_counter.h"
#include "third_party/blink/renderer/core/html/forms/form_controller.h"
#include "third_party/blink/renderer/core/html/forms/form_data.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/html_names.h"

namespace blink {

using namespace html_names;

void BaseCheckableInputType::Trace(Visitor* visitor) {
  InputTypeView::Trace(visitor);
  InputType::Trace(visitor);
}

InputTypeView* BaseCheckableInputType::CreateView() {
  return this;
}

FormControlState BaseCheckableInputType::SaveFormControlState() const {
  return FormControlState(GetElement().checked() ? "on" : "off");
}

void BaseCheckableInputType::RestoreFormControlState(
    const FormControlState& state) {
  GetElement().setChecked(state[0] == "on");
}

void BaseCheckableInputType::AppendToFormData(FormData& form_data) const {
  if (GetElement().checked())
    form_data.AppendFromElement(GetElement().GetName(), GetElement().value());
}

void BaseCheckableInputType::HandleKeydownEvent(KeyboardEvent& event) {
  if (event.key() == " ") {
    GetElement().SetActive(true);
    // No setDefaultHandled(), because IE dispatches a keypress in this case
    // and the caller will only dispatch a keypress if we don't call
    // setDefaultHandled().
  }
}

void BaseCheckableInputType::HandleKeypressEvent(KeyboardEvent& event) {
  if (event.charCode() == ' ') {
    // Prevent scrolling down the page.
    event.SetDefaultHandled();
  }
}

bool BaseCheckableInputType::CanSetStringValue() const {
  return false;
}

// FIXME: Could share this with KeyboardClickableInputTypeView and
// RangeInputType if we had a common base class.
void BaseCheckableInputType::AccessKeyAction(bool send_mouse_events) {
  InputTypeView::AccessKeyAction(send_mouse_events);

  GetElement().DispatchSimulatedClick(
      nullptr, send_mouse_events ? kSendMouseUpDownEvents : kSendNoEvents);
}

bool BaseCheckableInputType::MatchesDefaultPseudoClass() {
  return GetElement().FastHasAttribute(kCheckedAttr);
}

InputType::ValueMode BaseCheckableInputType::GetValueMode() const {
  return ValueMode::kDefaultOn;
}

void BaseCheckableInputType::SetValue(const String& sanitized_value,
                                      bool,
                                      TextFieldEventBehavior,
                                      TextControlSetValueSelection) {
  GetElement().setAttribute(kValueAttr, AtomicString(sanitized_value));
}

void BaseCheckableInputType::ReadingChecked() const {
  if (is_in_click_handler_) {
    UseCounter::Count(GetElement().GetDocument(),
                      WebFeature::kReadingCheckedInClickHandler);
  }
}

bool BaseCheckableInputType::IsCheckable() {
  return true;
}

}  // namespace blink