Corner Passthrough for Accessibility

chrome/browser/chromeos/accessibility/accessibility_manager.cc

 // Copyright (c) 2013 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/chromeos/accessibility/accessibility_manager.h"
 
 #include "ash/audio/sounds.h"
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/metrics/user_metrics_recorder.h"
@@ skipping 205 matching lines @@
   // Inject ChromeVox' content scripts.
   ContentScriptLoader* loader = new ContentScriptLoader(
       extension->id(), render_view_host->GetProcess()->GetID(),
       render_view_host->GetRoutingID());
 
   const extensions::UserScriptList& content_scripts =
       extensions::ContentScriptsInfo::GetContentScripts(extension);
   for (size_t i = 0; i < content_scripts.size(); i++) {
     const extensions::UserScript& script = content_scripts[i];
     for (size_t j = 0; j < script.js_scripts().size(); ++j) {
-      const extensions::UserScript::File &file = script.js_scripts()[j];
+      const extensions::UserScript::File& file = script.js_scripts()[j];
       extensions::ExtensionResource resource = extension->GetResource(
           file.relative_path());
       loader->AppendScript(resource);
     }
   }
   loader->Run();  // It cleans itself up when done.
 }
 
 void UnloadChromeVoxExtension(Profile* profile) {
   base::FilePath path = GetChromeVoxPath();
@@ skipping 130 matching lines @@
   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
   media::SoundsManager* manager = media::SoundsManager::Get();
   manager->Initialize(SOUND_SHUTDOWN,
                       bundle.GetRawDataResource(IDR_SOUND_SHUTDOWN_WAV));
   manager->Initialize(
       SOUND_SPOKEN_FEEDBACK_ENABLED,
       bundle.GetRawDataResource(IDR_SOUND_SPOKEN_FEEDBACK_ENABLED_WAV));
   manager->Initialize(
       SOUND_SPOKEN_FEEDBACK_DISABLED,
       bundle.GetRawDataResource(IDR_SOUND_SPOKEN_FEEDBACK_DISABLED_WAV));
+  manager->Initialize(SOUND_PASSTHROUGH,
+                      bundle.GetRawDataResource(IDR_SOUND_PASSTHROUGH_WAV));
 }
 
 AccessibilityManager::~AccessibilityManager() {
   CHECK(this == g_accessibility_manager);
   AccessibilityStatusEventDetails details(
       ACCESSIBILITY_MANAGER_SHUTDOWN,
       false,
       ash::A11Y_NOTIFICATION_NONE);
   NotifyAccessibilityStatusChanged(details);
   input_method::InputMethodManager::Get()->RemoveObserver(this);
@@ skipping 300 matching lines @@
   if (!IsSpokenFeedbackEnabled())
     return;
 
   // If the system locale changes and spoken feedback is enabled,
   // reload ChromeVox so that it switches its internal translations
   // to the new language.
   EnableSpokenFeedback(false, ash::A11Y_NOTIFICATION_NONE);
   EnableSpokenFeedback(true, ash::A11Y_NOTIFICATION_NONE);
 }
 
+void AccessibilityManager::PlayEarcon(int sound_key) {
+  switch (sound_key) {
+    case chromeos::SOUND_PASSTHROUGH:
+      ash::PlaySystemSoundIfSpokenFeedback(SOUND_PASSTHROUGH);

[dmazzoni, 2014/07/28 05:32:44]

Do you need the switch? Why not just:

ash::PlaySystemSoundIfSpokenFeedback(sound_key);

[lisayin, 2014/07/28 16:28:54]

Done.

+      break;
+    default:
+      break;
+  }
+}
+
 bool AccessibilityManager::IsHighContrastEnabled() {
   return high_contrast_enabled_;
 }
 
 void AccessibilityManager::EnableAutoclick(bool enabled) {
   if (!profile_)
     return;
 
   PrefService* pref_service = profile_->GetPrefs();
   pref_service->SetBoolean(prefs::kAccessibilityAutoclickEnabled, enabled);
@@ skipping 399 matching lines @@
       chrome_vox_loaded_on_lock_screen_;
 }
 
 void AccessibilityManager::PostUnloadChromeVox(Profile* profile) {
   // Do any teardown work needed immediately after ChromeVox actually unloads.
   if (system_sounds_enabled_)
     ash::PlaySystemSoundAlways(SOUND_SPOKEN_FEEDBACK_DISABLED);
 }
 
 }  // namespace chromeos