text: /*
   * 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
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #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
  