Expose caps lock state as an accessible alert

chrome/browser/ui/ash/chrome_shell_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 263 matching lines @@
     if (chromeos::MagnificationManager::Get()) {
       return chromeos::MagnificationManager::Get()
           ->GetSavedScreenMagnifierScale();
     }
     return std::numeric_limits<double>::min();
   }
 
   void TriggerAccessibilityAlert(ash::AccessibilityAlert alert) override {
     Profile* profile = ProfileManager::GetActiveUserProfile();
     if (profile) {
+      int msg = 0;
       switch (alert) {
-        case ash::A11Y_ALERT_WINDOW_NEEDED: {
-          AutomationManagerAura::GetInstance()->HandleAlert(
-              profile, l10n_util::GetStringUTF8(IDS_A11Y_ALERT_WINDOW_NEEDED));
+        case ash::A11Y_ALERT_CAPS_ON:
+          msg = IDS_A11Y_ALERT_CAPS_ON;
           break;
-        }
-        case ash::A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED: {
-          AutomationManagerAura::GetInstance()->HandleAlert(
-              profile, l10n_util::GetStringUTF8(
-                           IDS_A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED));
+        case ash::A11Y_ALERT_CAPS_OFF:
+          msg = IDS_A11Y_ALERT_CAPS_OFF;
           break;
-        }
+        case ash::A11Y_ALERT_WINDOW_NEEDED:
+          msg = IDS_A11Y_ALERT_WINDOW_NEEDED;
+          break;
+        case ash::A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED:
+          msg = IDS_A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED;
+          break;
         case ash::A11Y_ALERT_NONE:
+          msg = 0;
           break;
       }
+
+      if (msg) {
+        AutomationManagerAura::GetInstance()->HandleAlert(
+            profile, l10n_util::GetStringUTF8(msg));
+      }
     }
   }
 
   ash::AccessibilityAlert GetLastAccessibilityAlert() override {
     return ash::A11Y_ALERT_NONE;
   }
 
   void PlaySpokenFeedbackToggleCountdown(int tick_count) override {
     DCHECK(AccessibilityManager::Get());
     AccessibilityManager::Get()->PlaySpokenFeedbackToggleCountdown(tick_count);
@@ skipping 243 matching lines @@
       NOTREACHED() << "Unexpected notification " << type;
   }
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }