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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  * Copyright (C) 2011 Apple Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "config.h"
     33 #include "core/html/forms/PasswordInputType.h"
     34 
     35 #include "core/InputTypeNames.h"
     36 #include "core/dom/Document.h"
     37 #include "core/html/HTMLInputElement.h"
     38 #include "core/html/forms/FormController.h"
     39 #include "wtf/Assertions.h"
     40 #include "wtf/PassRefPtr.h"
     41 
     42 namespace WebCore {
     43 
     44 PassRefPtrWillBeRawPtr<InputType> PasswordInputType::create(HTMLInputElement& element)
     45 {
     46     return adoptRefWillBeNoop(new PasswordInputType(element));
     47 }
     48 
     49 void PasswordInputType::countUsage()
     50 {
     51     countUsageIfVisible(UseCounter::InputTypePassword);
     52     if (element().fastHasAttribute(HTMLNames::maxlengthAttr))
     53         countUsageIfVisible(UseCounter::InputTypePasswordMaxLength);
     54 }
     55 
     56 const AtomicString& PasswordInputType::formControlType() const
     57 {
     58     return InputTypeNames::password;
     59 }
     60 
     61 bool PasswordInputType::shouldSaveAndRestoreFormControlState() const
     62 {
     63     return false;
     64 }
     65 
     66 FormControlState PasswordInputType::saveFormControlState() const
     67 {
     68     // Should never save/restore password fields.
     69     ASSERT_NOT_REACHED();
     70     return FormControlState();
     71 }
     72 
     73 void PasswordInputType::restoreFormControlState(const FormControlState&)
     74 {
     75     // Should never save/restore password fields.
     76     ASSERT_NOT_REACHED();
     77 }
     78 
     79 bool PasswordInputType::shouldUseInputMethod() const
     80 {
     81     // Input methods are disabled for the password field because otherwise
     82     // anyone can access the underlying password and display it in clear text.
     83     return false;
     84 }
     85 
     86 bool PasswordInputType::shouldRespectListAttribute()
     87 {
     88     return false;
     89 }
     90 
     91 bool PasswordInputType::shouldRespectSpeechAttribute()
     92 {
     93     return true;
     94 }
     95 
     96 bool PasswordInputType::isPasswordField() const
     97 {
     98     return true;
     99 }
    100 
    101 void PasswordInputType::enableSecureTextInput()
    102 {
    103     if (element().document().frame())
    104         element().document().setUseSecureKeyboardEntryWhenActive(true);
    105 }
    106 
    107 void PasswordInputType::disableSecureTextInput()
    108 {
    109     if (element().document().frame())
    110         element().document().setUseSecureKeyboardEntryWhenActive(false);
    111 }
    112 
    113 } // namespace WebCore
    114