chrome/browser/policy/accessibility_policy_browsertest.cc

// Copyright 2019 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/public/cpp/ash_pref_names.h"
#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
#include "chrome/browser/chromeos/accessibility/magnification_manager.h"
#include "chrome/browser/chromeos/accessibility/magnifier_type.h"
#include "chrome/browser/policy/policy_test_utils.h"
#include "chrome/browser/ui/ash/keyboard/chrome_keyboard_controller_client.h"
#include "chrome/browser/ui/browser.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_service.h"
#include "content/public/test/browser_test.h"

namespace policy {

class AccessibilityPolicyTest : public PolicyTest {};

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, LargeCursorEnabled) {
  // Verifies that the large cursor accessibility feature can be controlled
  // through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Manually enable the large cursor.
  accessibility_manager->EnableLargeCursor(true);
  EXPECT_TRUE(accessibility_manager->IsLargeCursorEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kLargeCursorEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsLargeCursorEnabled());

  // Verify that the large cursor cannot be enabled manually anymore.
  accessibility_manager->EnableLargeCursor(true);
  EXPECT_FALSE(accessibility_manager->IsLargeCursorEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, SpokenFeedbackEnabled) {
  // Verifies that the spoken feedback accessibility feature can be controlled
  // through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Manually enable spoken feedback.
  accessibility_manager->EnableSpokenFeedback(true);
  EXPECT_TRUE(accessibility_manager->IsSpokenFeedbackEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kSpokenFeedbackEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsSpokenFeedbackEnabled());

  // Verify that spoken feedback cannot be enabled manually anymore.
  accessibility_manager->EnableSpokenFeedback(true);
  EXPECT_FALSE(accessibility_manager->IsSpokenFeedbackEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, HighContrastEnabled) {
  // Verifies that the high contrast mode accessibility feature can be
  // controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Manually enable high contrast mode.
  accessibility_manager->EnableHighContrast(true);
  EXPECT_TRUE(accessibility_manager->IsHighContrastEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kHighContrastEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsHighContrastEnabled());

  // Verify that high contrast mode cannot be enabled manually anymore.
  accessibility_manager->EnableHighContrast(true);
  EXPECT_FALSE(accessibility_manager->IsHighContrastEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, ScreenMagnifierTypeNone) {
  // Verifies that the screen magnifier can be disabled through policy.
  chromeos::MagnificationManager* magnification_manager =
      chromeos::MagnificationManager::Get();

  // Manually enable the full-screen magnifier.
  magnification_manager->SetMagnifierEnabled(true);
  EXPECT_TRUE(magnification_manager->IsMagnifierEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kScreenMagnifierType, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(0), nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(magnification_manager->IsMagnifierEnabled());

  // Verify that the screen magnifier cannot be enabled manually anymore.
  magnification_manager->SetMagnifierEnabled(true);
  EXPECT_FALSE(magnification_manager->IsMagnifierEnabled());
  // Verify that the docked magnifier cannot be enabled manually anymore.
  magnification_manager->SetDockedMagnifierEnabled(true);
  EXPECT_FALSE(magnification_manager->IsDockedMagnifierEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, ScreenMagnifierTypeFull) {
  // Verifies that the full-screen magnifier can be enabled through policy.
  chromeos::MagnificationManager* magnification_manager =
      chromeos::MagnificationManager::Get();

  // Verify that the screen magnifier is initially disabled.
  EXPECT_FALSE(magnification_manager->IsMagnifierEnabled());

  // Verify that policy can enable the full-screen magnifier.
  PolicyMap policies;
  policies.Set(key::kScreenMagnifierType, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
               base::Value(chromeos::MAGNIFIER_FULL), nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(magnification_manager->IsMagnifierEnabled());

  // Verify that the screen magnifier cannot be disabled manually anymore.
  magnification_manager->SetMagnifierEnabled(false);
  EXPECT_TRUE(magnification_manager->IsMagnifierEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, ScreenMagnifierTypeDocked) {
  // Verifies that the docked magnifier accessibility feature can be
  // controlled through policy.
  chromeos::MagnificationManager* magnification_manager =
      chromeos::MagnificationManager::Get();

  // Verify that the docked magnifier is initially disabled
  EXPECT_FALSE(magnification_manager->IsDockedMagnifierEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kScreenMagnifierType, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
               base::Value(chromeos::MAGNIFIER_DOCKED), nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(magnification_manager->IsDockedMagnifierEnabled());

  // Verify that the docked magnifier cannot be disabled manually anymore.
  magnification_manager->SetDockedMagnifierEnabled(false);
  EXPECT_TRUE(magnification_manager->IsDockedMagnifierEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest,
                       AccessibilityVirtualKeyboardEnabled) {
  // Verifies that the on-screen keyboard accessibility feature can be
  // controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Manually enable the on-screen keyboard.
  accessibility_manager->EnableVirtualKeyboard(true);
  EXPECT_TRUE(accessibility_manager->IsVirtualKeyboardEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kVirtualKeyboardEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsVirtualKeyboardEnabled());

  // Verify that the on-screen keyboard cannot be enabled manually anymore.
  accessibility_manager->EnableVirtualKeyboard(true);
  EXPECT_FALSE(accessibility_manager->IsVirtualKeyboardEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, StickyKeysEnabled) {
  // Verifies that the sticky keys accessibility feature can be
  // controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Verify that the sticky keys is initially disabled
  EXPECT_FALSE(accessibility_manager->IsStickyKeysEnabled());

  // Manually enable the sticky keys.
  accessibility_manager->EnableStickyKeys(true);
  EXPECT_TRUE(accessibility_manager->IsStickyKeysEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kStickyKeysEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsStickyKeysEnabled());

  // Verify that the sticky keys cannot be enabled manually anymore.
  accessibility_manager->EnableStickyKeys(true);
  EXPECT_FALSE(accessibility_manager->IsStickyKeysEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, VirtualKeyboardEnabled) {
  auto* keyboard_client = ChromeKeyboardControllerClient::Get();
  ASSERT_TRUE(keyboard_client);

  // Verify keyboard disabled by default.
  EXPECT_FALSE(keyboard_client->is_keyboard_enabled());

  // Verify keyboard can be toggled by default.
  SetEnableFlag(keyboard::KeyboardEnableFlag::kTouchEnabled);
  EXPECT_TRUE(keyboard_client->is_keyboard_enabled());
  ClearEnableFlag(keyboard::KeyboardEnableFlag::kTouchEnabled);
  EXPECT_FALSE(keyboard_client->is_keyboard_enabled());

  // Verify enabling the policy takes effect immediately and that that user
  // cannot disable the keyboard..
  PolicyMap policies;
  policies.Set(key::kTouchVirtualKeyboardEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(true),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(keyboard_client->is_keyboard_enabled());
  ClearEnableFlag(keyboard::KeyboardEnableFlag::kTouchEnabled);
  EXPECT_TRUE(keyboard_client->is_keyboard_enabled());

  // Verify that disabling the policy takes effect immediately and that the user
  // cannot enable the keyboard.
  policies.Set(key::kTouchVirtualKeyboardEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(keyboard_client->is_keyboard_enabled());
  SetEnableFlag(keyboard::KeyboardEnableFlag::kTouchEnabled);
  EXPECT_FALSE(keyboard_client->is_keyboard_enabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, SelectToSpeakEnabled) {
  // Verifies that the select to speak accessibility feature can be
  // controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Verify that the select to speak is initially disabled
  EXPECT_FALSE(accessibility_manager->IsSelectToSpeakEnabled());

  // Manually enable the select to speak.
  accessibility_manager->SetSelectToSpeakEnabled(true);
  EXPECT_TRUE(accessibility_manager->IsSelectToSpeakEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kSelectToSpeakEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsSelectToSpeakEnabled());

  // Verify that the select to speak cannot be enabled manually anymore.
  accessibility_manager->SetSelectToSpeakEnabled(true);
  EXPECT_FALSE(accessibility_manager->IsSelectToSpeakEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, DictationEnabled) {
  // Verifies that the dictation accessibility feature can be
  // controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();
  PrefService* prefs = browser()->profile()->GetPrefs();

  // Verify that the dictation is initially disabled
  EXPECT_FALSE(accessibility_manager->IsDictationEnabled());

  // Manually enable the dictation.
  prefs->SetBoolean(ash::prefs::kAccessibilityDictationEnabled, true);
  EXPECT_TRUE(accessibility_manager->IsDictationEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kDictationEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsDictationEnabled());

  // Verify that the dictation cannot be enabled manually anymore.
  prefs->SetBoolean(ash::prefs::kAccessibilityDictationEnabled, true);
  EXPECT_FALSE(accessibility_manager->IsDictationEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, KeyboardFocusHighlightEnabled) {
  // Verifies that the keyboard focus highlight objects accessibility feature
  // can be controlled through policy.
  chromeos::AccessibilityManager* const accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Verify that the keyboard focus highlight objects is initially disabled.
  EXPECT_FALSE(accessibility_manager->IsFocusHighlightEnabled());

  // Manually enable the keyboard focus highlight objects.
  accessibility_manager->SetFocusHighlightEnabled(true);
  EXPECT_TRUE(accessibility_manager->IsFocusHighlightEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kKeyboardFocusHighlightEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsFocusHighlightEnabled());

  // Verify that the keyboard focus highlight objects cannot be enabled manually
  // anymore.
  accessibility_manager->SetFocusHighlightEnabled(true);
  EXPECT_FALSE(accessibility_manager->IsFocusHighlightEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, CursorHighlightEnabled) {
  // Verifies that the cursor highlight accessibility feature accessibility
  // feature can be controlled through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Verify that the cursor highlight is initially disabled.
  EXPECT_FALSE(accessibility_manager->IsCursorHighlightEnabled());

  // Manually enable the cursor highlight.
  accessibility_manager->SetCursorHighlightEnabled(true);
  EXPECT_TRUE(accessibility_manager->IsCursorHighlightEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kCursorHighlightEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsCursorHighlightEnabled());

  // Verify that the cursor highlight cannot be enabled manually anymore.
  accessibility_manager->SetCursorHighlightEnabled(true);
  EXPECT_FALSE(accessibility_manager->IsCursorHighlightEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, CaretHighlightEnabled) {
  // Verifies that the caret highlight accessibility feature can be controlled
  // through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  // Verify that the caret highlight is initially disabled.
  EXPECT_FALSE(accessibility_manager->IsCaretHighlightEnabled());

  // Manually enable the caret highlight.
  accessibility_manager->SetCaretHighlightEnabled(true);
  EXPECT_TRUE(accessibility_manager->IsCaretHighlightEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kCaretHighlightEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsCaretHighlightEnabled());

  // Verify that the caret highlight cannot be enabled manually anymore.
  accessibility_manager->SetCaretHighlightEnabled(true);
  EXPECT_FALSE(accessibility_manager->IsCaretHighlightEnabled());

  policies.Set(key::kCaretHighlightEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(true),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(accessibility_manager->IsCaretHighlightEnabled());

  // Verify that the caret highlight cannot be disabled manually anymore.
  accessibility_manager->SetCaretHighlightEnabled(false);
  EXPECT_TRUE(accessibility_manager->IsCaretHighlightEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, MonoAudioEnabled) {
  // Verifies that the mono audio accessibility feature can be controlled
  // through policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  accessibility_manager->EnableMonoAudio(false);
  // Verify that the mono audio is initially disabled.
  EXPECT_FALSE(accessibility_manager->IsMonoAudioEnabled());

  // Manually enable the mono audio.
  accessibility_manager->EnableMonoAudio(true);
  EXPECT_TRUE(accessibility_manager->IsMonoAudioEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kMonoAudioEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsMonoAudioEnabled());

  // Verify that the mono audio cannot be enabled manually anymore.
  accessibility_manager->EnableMonoAudio(true);
  EXPECT_FALSE(accessibility_manager->IsMonoAudioEnabled());

  policies.Set(key::kMonoAudioEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(true),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(accessibility_manager->IsMonoAudioEnabled());

  // Verify that the mono audio cannot be disabled manually anymore.
  accessibility_manager->EnableMonoAudio(false);
  EXPECT_TRUE(accessibility_manager->IsMonoAudioEnabled());
}

IN_PROC_BROWSER_TEST_F(AccessibilityPolicyTest, AutoclickEnabled) {
  // Verifies that the autoclick accessibility feature can be controlled through
  // policy.
  chromeos::AccessibilityManager* accessibility_manager =
      chromeos::AccessibilityManager::Get();

  accessibility_manager->EnableAutoclick(false);
  // Verify that the autoclick is initially disabled.
  EXPECT_FALSE(accessibility_manager->IsAutoclickEnabled());

  // Manually enable the autoclick.
  accessibility_manager->EnableAutoclick(true);
  EXPECT_TRUE(accessibility_manager->IsAutoclickEnabled());

  // Verify that policy overrides the manual setting.
  PolicyMap policies;
  policies.Set(key::kAutoclickEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(false),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_FALSE(accessibility_manager->IsAutoclickEnabled());

  // Verify that the autoclick cannot be enabled manually anymore.
  accessibility_manager->EnableAutoclick(true);
  EXPECT_FALSE(accessibility_manager->IsAutoclickEnabled());

  policies.Set(key::kAutoclickEnabled, POLICY_LEVEL_MANDATORY,
               POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD, base::Value(true),
               nullptr);
  UpdateProviderPolicy(policies);
  EXPECT_TRUE(accessibility_manager->IsAutoclickEnabled());

  // Verify that the autoclick cannot be disabled manually anymore.
  accessibility_manager->EnableAutoclick(false);
  EXPECT_TRUE(accessibility_manager->IsAutoclickEnabled());
}

}  // namespace policy