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

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2011 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
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * this software without specific prior written permission.
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#include "third_party/blink/renderer/core/html/forms/password_input_type.h"

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/core/html/forms/form_controller.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/input_type_names.h"
#include "third_party/blink/renderer/core/layout/layout_text_control_single_line.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"

namespace blink {

InputType* PasswordInputType::Create(HTMLInputElement& element) {
  return new PasswordInputType(element);
}

void PasswordInputType::CountUsage() {
  CountUsageIfVisible(WebFeature::kInputTypePassword);
  if (GetElement().FastHasAttribute(HTMLNames::maxlengthAttr))
    CountUsageIfVisible(WebFeature::kInputTypePasswordMaxLength);
}

const AtomicString& PasswordInputType::FormControlType() const {
  return InputTypeNames::password;
}

bool PasswordInputType::ShouldSaveAndRestoreFormControlState() const {
  return false;
}

FormControlState PasswordInputType::SaveFormControlState() const {
  // Should never save/restore password fields.
  NOTREACHED();
  return FormControlState();
}

void PasswordInputType::RestoreFormControlState(const FormControlState&) {
  // Should never save/restore password fields.
  NOTREACHED();
}

bool PasswordInputType::ShouldRespectListAttribute() {
  return false;
}

void PasswordInputType::OnAttachWithLayoutObject() {
  GetElement().GetDocument().IncrementPasswordCount();
}

void PasswordInputType::OnDetachWithLayoutObject() {
  GetElement().GetDocument().DecrementPasswordCount();
}

}  // namespace blink