chrome/browser/chromeos/options/passphrase_textfield.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/options/passphrase_textfield.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/views/ime/input_method.h"
   9
  10 namespace chromeos {
  11
  12 PassphraseTextfield::PassphraseTextfield()
  13     : Textfield(),
  14       show_fake_(false),
  15       changed_(true) {
  16   SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  17 }
  18
  19 void PassphraseTextfield::SetShowFake(bool show_fake) {
  20   show_fake_ = show_fake;
  21   if (show_fake_)
  22     SetFakePassphrase();
  23   else
  24     ClearFakePassphrase();
  25 }
  26
  27 void PassphraseTextfield::OnFocus() {
  28   // If showing the fake password, then clear it when focused.
  29   if (show_fake_ && !changed_)
  30     ClearFakePassphrase();
  31   Textfield::OnFocus();
  32   GetInputMethod()->OnFocus();
  33 }
  34
  35 void PassphraseTextfield::OnBlur() {
  36   // If password is not changed, then show the fake password when blurred.
  37   if (show_fake_ && text().empty())
  38     SetFakePassphrase();
  39   Textfield::OnBlur();
  40   GetInputMethod()->OnFocus();
  41 }
  42
  43 std::string PassphraseTextfield::GetPassphrase() {
  44   return changed_ ? base::UTF16ToUTF8(text()) : std::string();
  45 }
  46
  47 void PassphraseTextfield::SetFakePassphrase() {
  48   CR_DEFINE_STATIC_LOCAL(base::string16, fake_passphrase,
  49       (base::ASCIIToUTF16("********")));
  50   SetText(fake_passphrase);
  51   changed_ = false;
  52 }
  53
  54 void PassphraseTextfield::ClearFakePassphrase() {
  55   SetText(base::string16());
  56   changed_ = true;
  57 }
  58
  59 }  // namespace chromeos