A11y setting: mono audio UI

chrome/browser/chromeos/accessibility/accessibility_manager_browsertest.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/magnifier/magnification_controller.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 131 matching lines @@
 }
 
 void SetVirtualKeyboardEnabled(bool enabled) {
   return AccessibilityManager::Get()->EnableVirtualKeyboard(enabled);
 }
 
 bool IsVirtualKeyboardEnabled() {
   return AccessibilityManager::Get()->IsVirtualKeyboardEnabled();
 }
 
+void SetMonoAudioEnabled(bool enabled) {
+  return AccessibilityManager::Get()->EnableMonoAudio(enabled);
+}
+
+bool IsMonoAudioEnabled() {
+  return AccessibilityManager::Get()->IsMonoAudioEnabled();
+}
+
 Profile* GetProfile() {
   Profile* profile = ProfileManager::GetActiveUserProfile();
   DCHECK(profile);
   return profile;
 }
 
 PrefService* GetPrefs() {
   return GetProfile()->GetPrefs();
 }
 
@@ skipping 14 matching lines @@
 }
 
 void SetAutoclickDelayPref(int delay_ms) {
   GetPrefs()->SetInteger(prefs::kAccessibilityAutoclickDelayMs, delay_ms);
 }
 
 void SetVirtualKeyboardEnabledPref(bool enabled) {
   GetPrefs()->SetBoolean(prefs::kAccessibilityVirtualKeyboardEnabled, enabled);
 }
 
+void SetMonoAudioEnabledPref(bool enabled) {
+  GetPrefs()->SetBoolean(prefs::kAccessibilityMonoAudioEnabled, enabled);
+}
+
 bool GetLargeCursorEnabledFromPref() {
   return GetPrefs()->GetBoolean(prefs::kAccessibilityLargeCursorEnabled);
 }
 
 bool GetHighContrastEnabledFromPref() {
   return GetPrefs()->GetBoolean(prefs::kAccessibilityHighContrastEnabled);
 }
 
 bool GetSpokenFeedbackEnabledFromPref() {
   return GetPrefs()->GetBoolean(prefs::kAccessibilitySpokenFeedbackEnabled);
 }
 
 bool GetAutoclickEnabledFromPref() {
   return GetPrefs()->GetBoolean(prefs::kAccessibilityAutoclickEnabled);
 }
 
 int GetAutoclickDelayFromPref() {
   return GetPrefs()->GetInteger(prefs::kAccessibilityAutoclickDelayMs);
 }
 
+bool GetMonoAudioEnabledFromPref() {
+  return GetPrefs()->GetBoolean(prefs::kAccessibilityMonoAudioEnabled);
+}
+
 bool IsBrailleImeActive() {
   InputMethodManager* imm = InputMethodManager::Get();
   std::unique_ptr<InputMethodDescriptors> descriptors =
       imm->GetActiveIMEState()->GetActiveInputMethods();
   for (InputMethodDescriptors::const_iterator i = descriptors->begin();
        i != descriptors->end();
        ++i) {
     if (i->id() == extension_misc::kBrailleImeEngineId)
       return true;
   }
@@ skipping 52 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(AccessibilityManagerTest);
 };
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest, Login) {
   // Confirms that a11y features are disabled on the login screen.
   EXPECT_FALSE(IsLargeCursorEnabled());
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
   EXPECT_FALSE(IsHighContrastEnabled());
   EXPECT_FALSE(IsAutoclickEnabled());
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+  EXPECT_FALSE(IsMonoAudioEnabled());
   EXPECT_EQ(default_autoclick_delay(), GetAutoclickDelay());
 
   // Logs in.
   user_manager::UserManager::Get()->UserLoggedIn(test_account_id_,
                                                  kTestUserName, true);
 
   // Confirms that the features still disabled just after login.
   EXPECT_FALSE(IsLargeCursorEnabled());
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
   EXPECT_FALSE(IsHighContrastEnabled());
   EXPECT_FALSE(IsAutoclickEnabled());
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+  EXPECT_FALSE(IsMonoAudioEnabled());
   EXPECT_EQ(default_autoclick_delay(), GetAutoclickDelay());
 
   user_manager::UserManager::Get()->SessionStarted();
 
   // Confirms that the features are still disabled just after login.
   EXPECT_FALSE(IsLargeCursorEnabled());
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
   EXPECT_FALSE(IsHighContrastEnabled());
   EXPECT_FALSE(IsAutoclickEnabled());
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+  EXPECT_FALSE(IsMonoAudioEnabled());
   EXPECT_EQ(default_autoclick_delay(), GetAutoclickDelay());
 
   // Enables large cursor.
   SetLargeCursorEnabled(true);
   // Confirms that large cursor is enabled.
   EXPECT_TRUE(IsLargeCursorEnabled());
 
   // Enables spoken feedback.
   SetSpokenFeedbackEnabled(true);
   // Confirms that the spoken feedback is enabled.
@@ skipping 10 matching lines @@
   EXPECT_TRUE(IsAutoclickEnabled());
 
   // Test that autoclick delay is set properly.
   SetAutoclickDelay(kTestAutoclickDelayMs);
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
 
   // Enable on-screen keyboard
   SetVirtualKeyboardEnabled(true);
   // Confirm that the on-screen keyboard option is enabled.
   EXPECT_TRUE(IsVirtualKeyboardEnabled());
+
+  // Enable mono audio output
+  SetMonoAudioEnabled(true);
+  // Confirm that mono audio output option is enabled.
+  EXPECT_TRUE(IsMonoAudioEnabled());
 }
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest, BrailleOnLoginScreen) {
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
 
   // Signal the accessibility manager that a braille display was connected.
   SetBrailleDisplayAvailability(true);
   // Confirms that the spoken feedback is enabled.
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
 }
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest, TypePref) {
   // Logs in.
   user_manager::UserManager::Get()->UserLoggedIn(test_account_id_,
                                                  kTestUserName, true);
   user_manager::UserManager::Get()->SessionStarted();
 
   // Confirms that the features are disabled just after login.
   EXPECT_FALSE(IsLargeCursorEnabled());
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
   EXPECT_FALSE(IsHighContrastEnabled());
   EXPECT_FALSE(IsAutoclickEnabled());
   EXPECT_EQ(default_autoclick_delay(), GetAutoclickDelay());
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+  EXPECT_FALSE(IsMonoAudioEnabled());
 
   // Sets the pref as true to enable the large cursor.
   SetLargeCursorEnabledPref(true);
   // Confirms that the large cursor is enabled.
   EXPECT_TRUE(IsLargeCursorEnabled());
 
   // Sets the pref as true to enable the spoken feedback.
   SetSpokenFeedbackEnabledPref(true);
   // Confirms that the spoken feedback is enabled.
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
@@ skipping 11 matching lines @@
   // Set autoclick delay pref.
   SetAutoclickDelayPref(kTestAutoclickDelayMs);
   // Confirm that the correct value is set.
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
 
   // Sets the on-screen keyboard pref.
   SetVirtualKeyboardEnabledPref(true);
   // Confirm that the on-screen keyboard option is enabled.
   EXPECT_TRUE(IsVirtualKeyboardEnabled());
 
+  // Sets mono audio output pref.
+  SetMonoAudioEnabledPref(true);
+  // Confirm that mono audio output is enabled.
+  EXPECT_TRUE(IsMonoAudioEnabled());
+
   SetLargeCursorEnabledPref(false);
   EXPECT_FALSE(IsLargeCursorEnabled());
 
   SetSpokenFeedbackEnabledPref(false);
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
 
   SetHighContrastEnabledPref(false);
   EXPECT_FALSE(IsHighContrastEnabled());
 
   SetAutoclickEnabledPref(false);
   EXPECT_FALSE(IsAutoclickEnabled());
 
   SetVirtualKeyboardEnabledPref(false);
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+
+  SetMonoAudioEnabledPref(false);
+  EXPECT_FALSE(IsMonoAudioEnabled());
 }
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest, ResumeSavedPref) {
   // Loads the profile of the user.
   user_manager::UserManager::Get()->UserLoggedIn(test_account_id_,
                                                  kTestUserName, true);
 
   // Sets the pref to enable large cursor before login.
   SetLargeCursorEnabledPref(true);
   EXPECT_FALSE(IsLargeCursorEnabled());
@@ skipping 12 matching lines @@
 
   // Sets the autoclick delay pref before login but the
   // initial value should not change.
   SetAutoclickDelayPref(kTestAutoclickDelayMs);
   EXPECT_EQ(default_autoclick_delay(), GetAutoclickDelay());
 
   // Sets the pref to enable the on-screen keyboard before login.
   SetVirtualKeyboardEnabledPref(true);
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
 
+  // Sets the pref to enable mono audio output before login.
+  SetMonoAudioEnabledPref(true);
+  EXPECT_FALSE(IsMonoAudioEnabled());
+
   // Logs in.
   user_manager::UserManager::Get()->SessionStarted();
 
   // Confirms that features are enabled by restoring from pref just after login.
   EXPECT_TRUE(IsLargeCursorEnabled());
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
   EXPECT_TRUE(IsHighContrastEnabled());
   EXPECT_TRUE(IsAutoclickEnabled());
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
   EXPECT_TRUE(IsVirtualKeyboardEnabled());
+  EXPECT_TRUE(IsMonoAudioEnabled());
 }
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest,
                        ChangingTypeInvokesNotification) {
   MockAccessibilityObserver observer;
 
   // Logs in.
   user_manager::UserManager::Get()->UserLoggedIn(test_account_id_,
                                                  kTestUserName, true);
   user_manager::UserManager::Get()->SessionStarted();
@@ skipping 40 matching lines @@
             ACCESSIBILITY_TOGGLE_VIRTUAL_KEYBOARD);
   EXPECT_TRUE(IsVirtualKeyboardEnabled());
 
   observer.reset();
   SetVirtualKeyboardEnabled(false);
   EXPECT_TRUE(observer.observed());
   EXPECT_FALSE(observer.observed_enabled());
   EXPECT_EQ(observer.observed_type(),
             ACCESSIBILITY_TOGGLE_VIRTUAL_KEYBOARD);
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+
+  observer.reset();
+  SetMonoAudioEnabled(true);
+  EXPECT_TRUE(observer.observed());
+  EXPECT_TRUE(observer.observed_enabled());
+  EXPECT_EQ(observer.observed_type(),
+            ACCESSIBILITY_TOGGLE_MONO_AUDIO);
+  EXPECT_TRUE(IsMonoAudioEnabled());
+
+  observer.reset();
+  SetMonoAudioEnabled(false);
+  EXPECT_TRUE(observer.observed());
+  EXPECT_FALSE(observer.observed_enabled());
+  EXPECT_EQ(observer.observed_type(),
+            ACCESSIBILITY_TOGGLE_MONO_AUDIO);
+  EXPECT_FALSE(IsMonoAudioEnabled());
 }
 
 IN_PROC_BROWSER_TEST_F(AccessibilityManagerTest,
                        ChangingTypePrefInvokesNotification) {
   MockAccessibilityObserver observer;
 
   // Logs in.
   user_manager::UserManager::Get()->UserLoggedIn(test_account_id_,
                                                  kTestUserName, true);
   user_manager::UserManager::Get()->SessionStarted();
@@ skipping 40 matching lines @@
             ACCESSIBILITY_TOGGLE_VIRTUAL_KEYBOARD);
   EXPECT_TRUE(IsVirtualKeyboardEnabled());
 
   observer.reset();
   SetVirtualKeyboardEnabledPref(false);
   EXPECT_TRUE(observer.observed());
   EXPECT_FALSE(observer.observed_enabled());
   EXPECT_EQ(observer.observed_type(),
             ACCESSIBILITY_TOGGLE_VIRTUAL_KEYBOARD);
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+
+  observer.reset();
+  SetMonoAudioEnabledPref(true);
+  EXPECT_TRUE(observer.observed());
+  EXPECT_TRUE(observer.observed_enabled());
+  EXPECT_EQ(observer.observed_type(),
+            ACCESSIBILITY_TOGGLE_MONO_AUDIO);
+  EXPECT_TRUE(IsMonoAudioEnabled());
+
+  observer.reset();
+  SetMonoAudioEnabledPref(false);
+  EXPECT_TRUE(observer.observed());
+  EXPECT_FALSE(observer.observed_enabled());
+  EXPECT_EQ(observer.observed_type(),
+            ACCESSIBILITY_TOGGLE_MONO_AUDIO);
+  EXPECT_FALSE(IsMonoAudioEnabled());
 }
 
 class AccessibilityManagerUserTypeTest
     : public AccessibilityManagerTest,
       public ::testing::WithParamInterface<const char*> {
  protected:
   AccessibilityManagerUserTypeTest() {}
   virtual ~AccessibilityManagerUserTypeTest() {}
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityManagerUserTypeTest);
@@ skipping 17 matching lines @@
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
   // Enables high contrast.
   SetHighContrastEnabled(true);
   EXPECT_TRUE(IsHighContrastEnabled());
   // Enables autoclick.
   SetAutoclickEnabled(true);
   EXPECT_TRUE(IsAutoclickEnabled());
   // Set autoclick delay.
   SetAutoclickDelay(kTestAutoclickDelayMs);
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
+  // Enables mono audio output.
+  SetMonoAudioEnabled(true);
+  EXPECT_TRUE(IsMonoAudioEnabled());
 
   // Logs in.
   const AccountId account_id = AccountId::FromUserEmail(GetParam());
   user_manager::UserManager::Get()->UserLoggedIn(
       account_id, account_id.GetUserEmail(), true);
 
   // Confirms that the features are still enabled just after login.
   EXPECT_TRUE(IsLargeCursorEnabled());
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
   EXPECT_TRUE(IsHighContrastEnabled());
   EXPECT_TRUE(IsAutoclickEnabled());
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
+  EXPECT_TRUE(IsMonoAudioEnabled());
 
   user_manager::UserManager::Get()->SessionStarted();
 
   // Confirms that the features keep enabled after session starts.
   EXPECT_TRUE(IsLargeCursorEnabled());
   EXPECT_TRUE(IsSpokenFeedbackEnabled());
   EXPECT_TRUE(IsHighContrastEnabled());
   EXPECT_TRUE(IsAutoclickEnabled());
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelay());
+  EXPECT_TRUE(IsMonoAudioEnabled());
 
   // Confirms that the prefs have been copied to the user's profile.
   EXPECT_TRUE(GetLargeCursorEnabledFromPref());
   EXPECT_TRUE(GetSpokenFeedbackEnabledFromPref());
   EXPECT_TRUE(GetHighContrastEnabledFromPref());
   EXPECT_TRUE(GetAutoclickEnabledFromPref());
   EXPECT_EQ(kTestAutoclickDelayMs, GetAutoclickDelayFromPref());
+  EXPECT_TRUE(GetMonoAudioEnabledFromPref());
 }
 
 IN_PROC_BROWSER_TEST_P(AccessibilityManagerUserTypeTest, BrailleWhenLoggedIn) {
   // Logs in.
   const AccountId account_id = AccountId::FromUserEmail(GetParam());
   user_manager::UserManager::Get()->UserLoggedIn(
       account_id, account_id.GetUserEmail(), true);
   user_manager::UserManager::Get()->SessionStarted();
   // This object watches for IME preference changes and reflects those in
   // the IME framework state.
@@ skipping 42 matching lines @@
                                                  kTestUserName, true);
   user_manager::UserManager::Get()->SessionStarted();
 
   // Confirms that the features are disabled.
   EXPECT_FALSE(IsLargeCursorEnabled());
   EXPECT_FALSE(IsSpokenFeedbackEnabled());
   EXPECT_FALSE(IsHighContrastEnabled());
   EXPECT_FALSE(IsAutoclickEnabled());
   EXPECT_FALSE(ShouldShowAccessibilityMenu());
   EXPECT_FALSE(IsVirtualKeyboardEnabled());
+  EXPECT_FALSE(IsMonoAudioEnabled());
 
   // Check large cursor.
   SetLargeCursorEnabled(true);
   EXPECT_TRUE(ShouldShowAccessibilityMenu());
   SetLargeCursorEnabled(false);
   EXPECT_FALSE(ShouldShowAccessibilityMenu());
 
   // Check spoken feedback.
   SetSpokenFeedbackEnabled(true);
   EXPECT_TRUE(ShouldShowAccessibilityMenu());
@@ skipping 10 matching lines @@
   SetAutoclickEnabled(true);
   EXPECT_TRUE(ShouldShowAccessibilityMenu());
   SetAutoclickEnabled(false);
   EXPECT_FALSE(ShouldShowAccessibilityMenu());
 
   // Check on-screen keyboard.
   SetVirtualKeyboardEnabled(true);
   EXPECT_TRUE(ShouldShowAccessibilityMenu());
   SetVirtualKeyboardEnabled(false);
   EXPECT_FALSE(ShouldShowAccessibilityMenu());
+
+  // Check mono audio output.
+  SetMonoAudioEnabled(true);
+  EXPECT_TRUE(ShouldShowAccessibilityMenu());
+  SetMonoAudioEnabled(false);
+  EXPECT_FALSE(ShouldShowAccessibilityMenu());
 }
 
 }  // namespace chromeos