chrome/browser/chromeos/input_method/accessibility.cc

   1 // Copyright 2013 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/input_method/accessibility.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/accessibility/accessibility_events.h"
  10 #include "chrome/browser/chromeos/input_method/input_method_util.h"
  11 #include "chrome/browser/profiles/profile_manager.h"
  12
  13 namespace chromeos {
  14 namespace input_method {
  15
  16 Accessibility::Accessibility(InputMethodManager* imm)
  17     : imm_(imm) {
  18   DCHECK(imm_);
  19   imm_->AddObserver(this);
  20 }
  21
  22 Accessibility::~Accessibility() {
  23   DCHECK(imm_);
  24   imm_->RemoveObserver(this);
  25 }
  26
  27 void Accessibility::InputMethodChanged(InputMethodManager* imm,
  28                                        bool show_message) {
  29   DCHECK_EQ(imm, imm_);
  30   if (!show_message)
  31     return;
  32
  33   // Get the medium name of the changed input method (e.g. US, INTL, etc.)
  34   const InputMethodDescriptor descriptor = imm_->GetCurrentInputMethod();
  35   const std::string medium_name = base::UTF16ToUTF8(
  36       imm_->GetInputMethodUtil()->GetInputMethodMediumName(descriptor));
  37
  38   AccessibilityAlertInfo event(ProfileManager::GetActiveUserProfile(),
  39                                medium_name);
  40   SendControlAccessibilityNotification(
  41       ui::AX_EVENT_ALERT, &event);
  42 }
  43
  44 }  // namespace input_method
  45 }  // namespace chromeos