A11y: Add a browser test of TrayAccessibility.

chrome/browser/chromeos/system/tray_accessibility_browsertest.cc

Index: chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
diff --git a/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc b/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5ac1019b66fda756e88630887bd92e03d019c603
--- /dev/null
+++ b/chrome/browser/chromeos/system/tray_accessibility_browsertest.cc
@@ -0,0 +1,456 @@
+// 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 "ash/magnifier/magnification_controller.h"
+#include "ash/shell.h"
+#include "ash/system/tray/system_tray.h"
+#include "ash/system/tray/tray_views.h"
+#include "ash/system/tray_accessibility.h"
+#include "ash/system/user/login_status.h"
+#include "base/command_line.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/accessibility/accessibility_util.h"
+#include "chrome/browser/chromeos/accessibility/magnification_manager.h"
+#include "chrome/browser/chromeos/cros/cros_in_process_browser_test.h"
+#include "chrome/browser/chromeos/login/helper.h"
+#include "chrome/browser/chromeos/login/login_utils.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/chromeos/login/user_manager_impl.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/test/test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/views/widget/widget.h"
+
+namespace chromeos {
+
+namespace {
+  ui::MouseEvent& dummyEvent = *((ui::MouseEvent*)0);
+}
+
+class TrayAccessibilityTest : public CrosInProcessBrowserTest {
+ protected:
+  TrayAccessibilityTest() {}
+  virtual ~TrayAccessibilityTest() {}
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    command_line->AppendSwitch(switches::kLoginManager);
+    command_line->AppendSwitchASCII(switches::kLoginProfile,
+                                    TestingProfile::kTestUserProfileDir);
+  }
+
+  ash::internal::TrayAccessibility* tray() {
+    return ash::Shell::GetInstance()->GetPrimarySystemTray()->
+        GetTrayAccessibilityForTest();
+  }
+
+  bool IsTrayIconVisible() {
+    return tray()->tray_icon_visible_;
+  }
+
+  views::View* CreateMenuItem() {
+    return tray()->CreateDefaultView(GetLoginStatus());
+  }
+
+  void DestroyMenuItem() {
+    return tray()->DestroyDefaultView();
+  }
+
+  bool CanCreateMenuItem() {
+    views::View* menu_item_view = CreateMenuItem();
+    DestroyMenuItem();
+    return menu_item_view != NULL;
+  }
+
+  void SetLoginStatus(ash::user::LoginStatus status) {
+    tray()->UpdateAfterLoginStatusChange(status);
+  }
+
+  ash::user::LoginStatus GetLoginStatus() {
+    return tray()->login_;
+  }
+
+  bool CreateDetailedMenu() {
+    tray()->PopupDetailedView(0, false);
+    return tray()->detailed_menu_ != NULL;
+  }
+
+  void CloseDetailMenu() {
+    CHECK(tray()->detailed_menu_);
+    tray()->DestroyDetailedView();
+    tray()->detailed_menu_ = NULL;
+  }
+
+  void ClickSpokenFeedbackOnDetailMenu() {
+    views::View* button = tray()->detailed_menu_->spoken_feedback_view_;
+    tray()->detailed_menu_->ClickedOn(button);
+  }
+
+  void ClickHighContrastOnDetailMenu() {
+    views::View* button = tray()->detailed_menu_->high_contrast_view_;
+    EXPECT_TRUE(button);
+    tray()->detailed_menu_->ClickedOn(button);
+  }
+
+  void ClickScreenMagnifierOnDetailMenu() {
+    views::View* button = tray()->detailed_menu_->screen_magnifier_view_;
+    EXPECT_TRUE(button);
+    tray()->detailed_menu_->ClickedOn(button);
+  }
+
+  bool IsSpokenFeedbackEnabledOnDetailMenu() {
+    return tray()->detailed_menu_->spoken_feedback_enabled_;
+  }
+
+  bool IsHighContrastEnabledOnDetailMenu() {
+    return tray()->detailed_menu_->high_contrast_enabled_;
+  }
+
+  bool IsScreenMagnifierEnabledOnDetailMenu() {
+    return tray()->detailed_menu_->screen_magnifier_enabled_;
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, LoginStatus) {
+  EXPECT_EQ(ash::user::LOGGED_IN_NONE, GetLoginStatus());
+
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  EXPECT_EQ(ash::user::LOGGED_IN_USER, GetLoginStatus());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, ShowTrayIcon) {
+  SetLoginStatus(ash::user::LOGGED_IN_NONE);
+
+  // Confirms that the icon is invisible before login.
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  // Confirms that the icon is invisible just after login.
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  // Toggling spoken feedback changes the visibillity of the icon.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  // Toggling high contrast the visibillity of the icon.
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableHighContrast(false);
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  // Toggling magnifier the visibillity of the icon.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(IsTrayIconVisible());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  // Enabling all accessibility features.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(IsTrayIconVisible());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_FALSE(IsTrayIconVisible());
+
+  // Confirms that prefs::kShouldAlwaysShowAccessibilityMenu doesn't affect
+  // the icon on the tray.
+  Profile* profile = ProfileManager::GetDefaultProfile();
+  PrefService* prefs = profile->GetPrefs();
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, true);
+  prefs->CommitPendingWrite();
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(IsTrayIconVisible());
+  accessibility::EnableHighContrast(false);
+  EXPECT_FALSE(IsTrayIconVisible());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, ShowMenu) {
+  // Login
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  // Sets prefs::kShouldAlwaysShowAccessibilityMenu = false.
+  Profile* profile = ProfileManager::GetDefaultProfile();
+  PrefService* prefs = profile->GetPrefs();
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, false);
+  prefs->CommitPendingWrite();
+
+  // Confirms that the menu is hidden.
+  EXPECT_FALSE(CanCreateMenuItem());
+
+  // Toggling spoken feedback changes the visibillity of the menu.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_FALSE(CanCreateMenuItem());
+
+  // Toggling high contrast changes the visibillity of the menu.
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_FALSE(CanCreateMenuItem());
+
+  // Toggling screen magnifier changes the visibillity of the menu.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_FALSE(CanCreateMenuItem());
+
+  // Enabling all accessibility features.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_FALSE(CanCreateMenuItem());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, ShowMenuWithShowMenuOption) {
+  // Login
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  // Sets prefs::kShouldAlwaysShowAccessibilityMenu = true.
+  Profile* profile = ProfileManager::GetDefaultProfile();
+  PrefService* prefs = profile->GetPrefs();
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, true);
+  prefs->CommitPendingWrite();
+
+  // Confirms that the menu is visible.
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling spoken feedback.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling high contrast.
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling screen magnifier.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // Enabling all accessibility features.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // Sets prefs::kShouldAlwaysShowAccessibilityMenu = true.
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, false);
+
+  // Confirms that the menu is invisible.
+  EXPECT_FALSE(CanCreateMenuItem());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, ShowMenuWithShowOnLoginScreen) {
+  SetLoginStatus(ash::user::LOGGED_IN_NONE);
+
+  // Confirms that the menu is visible.
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling spoken feedback.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling high contrast.
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // The menu is keeping visible regardless of toggling screen magnifier.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // Enabling all accessibility features.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CanCreateMenuItem());
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CanCreateMenuItem());
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // Sets prefs::kShouldAlwaysShowAccessibilityMenu = true.
+  Profile* profile = ProfileManager::GetDefaultProfile();
+  PrefService* prefs = profile->GetPrefs();
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, true);
+  prefs->CommitPendingWrite();
+
+  // Confirms that the menu is keeping visible.
+  EXPECT_TRUE(CanCreateMenuItem());
+
+  // Sets prefs::kShouldAlwaysShowAccessibilityMenu = false.
+  prefs->SetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu, false);
+  prefs->CommitPendingWrite();
+
+  // Confirms that the menu is keeping visible.
+  EXPECT_TRUE(CanCreateMenuItem());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, ClickDetailMenu) {
+  // Confirms that the check item toggles the spoken feedback.
+  EXPECT_FALSE(accessibility::IsSpokenFeedbackEnabled());
+
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickSpokenFeedbackOnDetailMenu();
+  EXPECT_TRUE(accessibility::IsSpokenFeedbackEnabled());
+
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickSpokenFeedbackOnDetailMenu();
+  EXPECT_FALSE(accessibility::IsSpokenFeedbackEnabled());
+
+  // Confirms that the check item toggles the high contrast.
+  EXPECT_FALSE(accessibility::IsHighContrastEnabled());
+
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickHighContrastOnDetailMenu();
+  EXPECT_TRUE(accessibility::IsHighContrastEnabled());
+
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickHighContrastOnDetailMenu();
+  EXPECT_FALSE(accessibility::IsHighContrastEnabled());
+
+  // Confirms that the check item toggles the magnifier.
+  EXPECT_FALSE(accessibility::IsHighContrastEnabled());
+
+  EXPECT_EQ(ash::MAGNIFIER_OFF,
+            MagnificationManager::Get()->GetMagnifierType());
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickScreenMagnifierOnDetailMenu();
+  EXPECT_EQ(ash::MAGNIFIER_FULL,
+            MagnificationManager::Get()->GetMagnifierType());
+
+  EXPECT_TRUE(CreateDetailedMenu());
+  ClickScreenMagnifierOnDetailMenu();
+  EXPECT_EQ(ash::MAGNIFIER_OFF,
+            MagnificationManager::Get()->GetMagnifierType());
+}
+
+IN_PROC_BROWSER_TEST_F(TrayAccessibilityTest, CheckMarksOnDetailMenu) {
+  // At first, all of the check is unchecked.
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Enabling spoken feedback.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_TRUE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Disabling spoken feedback.
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Enabling high contrast.
+  accessibility::EnableHighContrast(true);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_TRUE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Disabling high contrast.
+  accessibility::EnableHighContrast(false);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Enabling full screen magnifier.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_TRUE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Disabling screen magnifier.
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Enabling all of the a11y features.
+  accessibility::EnableSpokenFeedback(true, NULL, ash::A11Y_NOTIFICATION_NONE);
+  accessibility::EnableHighContrast(true);
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_FULL);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_TRUE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_TRUE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_TRUE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+
+  // Disabling all of the a11y features.
+  accessibility::EnableSpokenFeedback(false, NULL, ash::A11Y_NOTIFICATION_NONE);
+  accessibility::EnableHighContrast(false);
+  MagnificationManager::Get()->SetMagnifier(ash::MAGNIFIER_OFF);
+  EXPECT_TRUE(CreateDetailedMenu());
+  EXPECT_FALSE(IsSpokenFeedbackEnabledOnDetailMenu());
+  EXPECT_FALSE(IsHighContrastEnabledOnDetailMenu());
+  EXPECT_FALSE(IsScreenMagnifierEnabledOnDetailMenu());
+  CloseDetailMenu();
+}
+
+}