// Copyright 2014 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 <queue>

#include "ash/accelerators/accelerator_controller.h"
#include "ash/accelerators/accelerator_table.h"
#include "ash/shell.h"
#include "ash/system/tray/system_tray.h"
#include "base/command_line.h"
#include "base/strings/string_util.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
#include "chrome/browser/chromeos/accessibility/speech_monitor.h"
#include "chrome/browser/chromeos/login/login_manager_test.h"
#include "chrome/browser/chromeos/login/ui/login_display_host.h"
#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
#include "chrome/browser/chromeos/login/ui/webui_login_view.h"
#include "chrome/browser/chromeos/profiles/profile_helper.h"
#include "chrome/browser/extensions/api/braille_display_private/stub_braille_controller.h"
#include "chrome/browser/speech/tts_controller.h"
#include "chrome/browser/speech/tts_platform.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/interactive_test_utils.h"
#include "chrome/test/base/testing_profile.h"
#include "chrome/test/base/ui_test_utils.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/login/user_names.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/process_manager.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/app_list/app_list_switches.h"
#include "ui/base/test/ui_controls.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/views/widget/widget.h"

using extensions::api::braille_display_private::StubBrailleController;

namespace chromeos {

//
// Spoken feedback tests only in a logged in user's window.
//

class LoggedInSpokenFeedbackTest : public InProcessBrowserTest {
 protected:
  LoggedInSpokenFeedbackTest()
      : animation_mode_(ui::ScopedAnimationDurationScaleMode::ZERO_DURATION) {}
  ~LoggedInSpokenFeedbackTest() override {}

  void SetUpInProcessBrowserTestFixture() override {
    AccessibilityManager::SetBrailleControllerForTest(&braille_controller_);
  }

  void TearDownOnMainThread() override {
    AccessibilityManager::SetBrailleControllerForTest(nullptr);
  }

  void SendKeyPress(ui::KeyboardCode key) {
    ASSERT_NO_FATAL_FAILURE(ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
        nullptr, key, false, false, false, false)));
  }

  void SendKeyPressWithControl(ui::KeyboardCode key) {
    ASSERT_NO_FATAL_FAILURE(ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
        nullptr, key, true, false, false, false)));
  }

  void SendKeyPressWithSearchAndShift(ui::KeyboardCode key) {
    ASSERT_NO_FATAL_FAILURE(ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
        nullptr, key, false, true, false, true)));
  }

  void RunJavaScriptInChromeVoxBackgroundPage(const std::string& script) {
    extensions::ExtensionHost* host =
        extensions::ProcessManager::Get(browser()->profile())
            ->GetBackgroundHostForExtension(
                extension_misc::kChromeVoxExtensionId);
    CHECK(content::ExecuteScript(host->host_contents(), script));
  }

  void SimulateTouchScreenInChromeVox() {
    // ChromeVox looks at whether 'ontouchstart' exists to know whether
    // or not it should respond to hover events. Fake it so that touch
    // exploration events get spoken.
    RunJavaScriptInChromeVoxBackgroundPage(
        "window.ontouchstart = function() {};");
  }

  bool PerformAcceleratorAction(ash::AcceleratorAction action) {
    ash::AcceleratorController* controller =
        ash::Shell::GetInstance()->accelerator_controller();
    return controller->PerformActionIfEnabled(action);
  }

  void DisableEarcons() {
    // Playing earcons from within a test is not only annoying if you're
    // running the test locally, but seems to cause crashes
    // (http://crbug.com/396507). Work around this by just telling
    // ChromeVox to not ever play earcons (prerecorded sound effects).
    RunJavaScriptInChromeVoxBackgroundPage(
        "cvox.ChromeVox.earcons.playEarcon = function() {};");
  }

  void EnableChromeVox() {
    // Test setup.
    // Enable ChromeVox, skip welcome message, and disable earcons.
    ASSERT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());

    AccessibilityManager::Get()->EnableSpokenFeedback(
        true, ui::A11Y_NOTIFICATION_NONE);
    EXPECT_TRUE(speech_monitor_.SkipChromeVoxEnabledMessage());
    DisableEarcons();
  }

  void LoadChromeVoxAndThenNavigateToURL(const GURL& url) {
    // The goal of this helper function is to avoid race conditions between
    // the page loading and the ChromeVox extension loading and fully
    // initializing. To do this, we first load a test url that repeatedly
    // asks ChromeVox to speak 'ready', then we load ChromeVox and block
    // until we get that 'ready' speech.

    ui_test_utils::NavigateToURL(
        browser(),
        GURL("data:text/html;charset=utf-8,"
             "<script>"
             "window.setInterval(function() {"
             "  try {"
             "    cvox.Api.speak('ready');"
             "  } catch (e) {}"
             "}, 100);"
             "</script>"));
    EXPECT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
    AccessibilityManager::Get()->EnableSpokenFeedback(
        true, ui::A11Y_NOTIFICATION_NONE);

    // Block until we get "ready".
    while (speech_monitor_.GetNextUtterance() != "ready") {
    }

    // Now load the requested url.
    ui_test_utils::NavigateToURL(browser(), url);
  }

  void PressRepeatedlyUntilUtterance(ui::KeyboardCode key,
                                     const std::string& expected_utterance) {
    // This helper function is needed when you want to poll for something
    // that happens asynchronously. Keep pressing |key|, until
    // the speech feedback that follows is |expected_utterance|.
    // Note that this doesn't work if pressing that key doesn't speak anything
    // at all before the asynchronous event occurred.
    while (true) {
      SendKeyPress(key);
      const std::string& utterance = speech_monitor_.GetNextUtterance();
      if (utterance == expected_utterance)
        break;
    }
  }

  SpeechMonitor speech_monitor_;

 private:
  StubBrailleController braille_controller_;
  ui::ScopedAnimationDurationScaleMode animation_mode_;

  DISALLOW_COPY_AND_ASSIGN(LoggedInSpokenFeedbackTest);
};

// This test is very flakey with ChromeVox Next since we generate a lot more
// utterances for text fields.
// TODO(dtseng): Fix properly.
IN_PROC_BROWSER_TEST_F(LoggedInSpokenFeedbackTest, DISABLED_AddBookmark) {
  EnableChromeVox();
  chrome::ExecuteCommand(browser(), IDC_SHOW_BOOKMARK_BAR);

  // Create a bookmark with title "foo".
  chrome::ExecuteCommand(browser(), IDC_BOOKMARK_PAGE);
  EXPECT_EQ("Bookmark added! dialog Bookmark name about:blank Edit text",
            speech_monitor_.GetNextUtterance());
  EXPECT_EQ("about:blank", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_F);
  EXPECT_EQ("f", speech_monitor_.GetNextUtterance());
  SendKeyPress(ui::VKEY_O);
  EXPECT_EQ("o", speech_monitor_.GetNextUtterance());
  SendKeyPress(ui::VKEY_O);
  EXPECT_EQ("o", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_TAB);
  EXPECT_EQ("Bookmark folder combo Box Bookmarks bar",
            speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_RETURN);

  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*oolbar*"));
  // Wait for active window change to be announced to avoid interference from
  // that below.
  while (speech_monitor_.GetNextUtterance() != "window about blank tab") {
    // Do nothing.
  }

  // Focus bookmarks bar and listen for "foo".
  chrome::ExecuteCommand(browser(), IDC_FOCUS_BOOKMARKS);
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    VLOG(0) << "Got utterance: " << utterance;
    if (utterance == "Bookmarks,")
      break;
  }
  EXPECT_EQ("foo,", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("button", speech_monitor_.GetNextUtterance());
}

//
// Spoken feedback tests in both a logged in browser window and guest mode.
//

enum SpokenFeedbackTestVariant {
  kTestAsNormalUser,
  kTestAsGuestUser
};

class SpokenFeedbackTest
    : public LoggedInSpokenFeedbackTest,
      public ::testing::WithParamInterface<SpokenFeedbackTestVariant> {
 protected:
  SpokenFeedbackTest() {}
  virtual ~SpokenFeedbackTest() {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    if (GetParam() == kTestAsGuestUser) {
      command_line->AppendSwitch(chromeos::switches::kGuestSession);
      command_line->AppendSwitch(::switches::kIncognito);
      command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
                                      "user");
      command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
                                      chromeos::login::kGuestUserName);
    }
  }
};

INSTANTIATE_TEST_CASE_P(
    TestAsNormalAndGuestUser,
    SpokenFeedbackTest,
    ::testing::Values(kTestAsNormalUser,
                      kTestAsGuestUser));

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, EnableSpokenFeedback) {
  EnableChromeVox();
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, FocusToolbar) {
  EnableChromeVox();
  chrome::ExecuteCommand(browser(), IDC_FOCUS_TOOLBAR);
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "about:blank*"));
  EXPECT_EQ("main", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Tool bar", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Reload", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, TypeInOmnibox) {
  EnableChromeVox();

  chrome::ExecuteCommand(browser(), IDC_FOCUS_LOCATION);
  EXPECT_TRUE(
      MatchPattern(speech_monitor_.GetNextUtterance(), "*about:blank*"));
  EXPECT_EQ("main", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Tool bar", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Address and search bar", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("about:blank", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_X);
  EXPECT_EQ("x", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_Y);
  EXPECT_EQ("y", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_Z);
  EXPECT_EQ("z", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_BACK);
  EXPECT_EQ("z", speech_monitor_.GetNextUtterance());
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, FocusShelf) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::FOCUS_SHELF));
  EXPECT_EQ("Shelf", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Tool bar", speech_monitor_.GetNextUtterance());
  if (app_list::switches::IsExperimentalAppListEnabled())
    EXPECT_EQ("Launcher", speech_monitor_.GetNextUtterance());
  else
    EXPECT_EQ("Apps", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_TAB);
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, NavigateAppLauncher) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::FOCUS_SHELF));
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (MatchPattern(utterance, "Button"))
      break;
  }

  SendKeyPress(ui::VKEY_RETURN);

  EXPECT_EQ("Search or type U R L", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_DOWN);
  EXPECT_EQ("Dialog", speech_monitor_.GetNextUtterance());
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, OpenStatusTray) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::SHOW_SYSTEM_TRAY_BUBBLE));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Status tray*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "time *"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                           "Battery is*full."));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, NavigateSystemTray) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::SHOW_SYSTEM_TRAY_BUBBLE));
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (MatchPattern(utterance, "Button"))
      break;
  }

  SendKeyPress(ui::VKEY_TAB);
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));

  // Compat next element.
  SendKeyPressWithSearchAndShift(ui::VKEY_RIGHT);
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));

  // Compat next button.
  SendKeyPressWithSearchAndShift(ui::VKEY_N);
  SendKeyPressWithSearchAndShift(ui::VKEY_B);
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "*"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Button"));

  // Navigate to Bluetooth sub-menu and open it.
  while (true) {
    SendKeyPress(ui::VKEY_TAB);
    std::string content = speech_monitor_.GetNextUtterance();
    std::string role = speech_monitor_.GetNextUtterance();
    if (MatchPattern(content, "*Bluetooth*") && MatchPattern(role, "Button"))
      break;
  }
  SendKeyPress(ui::VKEY_RETURN);

  // Navigate to return to previous menu button and press it.
  while (true) {
    SendKeyPress(ui::VKEY_TAB);
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (MatchPattern(utterance, "Previous menu"))
      break;
  }
  SendKeyPress(ui::VKEY_RETURN);

  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (MatchPattern(speech_monitor_.GetNextUtterance(), "*Bluetooth"))
      break;
  }
}

// See http://crbug.com/443608
IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, DISABLED_ScreenBrightness) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::BRIGHTNESS_UP));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                           "Brightness * percent"));

  EXPECT_TRUE(PerformAcceleratorAction(ash::BRIGHTNESS_DOWN));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                           "Brightness * percent"));
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, VolumeSlider) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::VOLUME_UP));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "* percent*"));
  EXPECT_EQ("Volume,", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("slider", speech_monitor_.GetNextUtterance());
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, OverviewMode) {
  EnableChromeVox();

  EXPECT_TRUE(PerformAcceleratorAction(ash::TOGGLE_OVERVIEW));
  EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Alert", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Entered window overview mode", speech_monitor_.GetNextUtterance());

  SendKeyPress(ui::VKEY_TAB);
  EXPECT_EQ("about:blank", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());
}

#if defined(MEMORY_SANITIZER)
// Fails under MemorySanitizer: http://crbug.com/472125
#define MAYBE_ChromeVoxShiftSearch DISABLED_ChromeVoxShiftSearch
#else
#define MAYBE_ChromeVoxShiftSearch ChromeVoxShiftSearch
#endif
IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, MAYBE_ChromeVoxShiftSearch) {
  LoadChromeVoxAndThenNavigateToURL(
      GURL("data:text/html;charset=utf-8,<button autofocus>Click me</button>"));
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (utterance == "Click me")
      break;
  }
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());

  // Press Search+Shift+/ to enter ChromeVox's "find in page".
  SendKeyPressWithSearchAndShift(ui::VKEY_OEM_2);
  EXPECT_EQ("Find in page.", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Enter a search query.", speech_monitor_.GetNextUtterance());
}

#if defined(MEMORY_SANITIZER)
// Fails under MemorySanitizer: http://crbug.com/472125
#define MAYBE_ChromeVoxPrefixKey DISABLED_ChromeVoxPrefixKey
#else
#define MAYBE_ChromeVoxPrefixKey ChromeVoxPrefixKey
#endif
IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, MAYBE_ChromeVoxPrefixKey) {
  LoadChromeVoxAndThenNavigateToURL(
      GURL("data:text/html;charset=utf-8,<button autofocus>Click me</button>"));
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (utterance == "Click me")
      break;
  }
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());

  // Press the prefix key Ctrl+';' followed by '/'
  // to enter ChromeVox's "find in page".
  SendKeyPressWithControl(ui::VKEY_OEM_1);
  SendKeyPress(ui::VKEY_OEM_2);
  EXPECT_EQ("Find in page.", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Enter a search query.", speech_monitor_.GetNextUtterance());
}

#if defined(MEMORY_SANITIZER)
// Fails under MemorySanitizer: http://crbug.com/472125
#define MAYBE_ChromeVoxNavigateAndSelect DISABLED_ChromeVoxNavigateAndSelect
#else
#define MAYBE_ChromeVoxNavigateAndSelect ChromeVoxNavigateAndSelect
#endif
IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, MAYBE_ChromeVoxNavigateAndSelect) {
  LoadChromeVoxAndThenNavigateToURL(
      GURL("data:text/html;charset=utf-8,"
           "<h1>Title</h1>"
           "<button autofocus>Click me</button>"));
  while (true) {
    std::string utterance = speech_monitor_.GetNextUtterance();
    if (utterance == "Click me")
      break;
  }
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());

  // Press Search+Shift+Up to navigate to the previous item.
  SendKeyPressWithSearchAndShift(ui::VKEY_UP);
  EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Heading 1", speech_monitor_.GetNextUtterance());

  // Press Search+Shift+S to select the text.
  SendKeyPressWithSearchAndShift(ui::VKEY_S);
  EXPECT_EQ("Start selection", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
  EXPECT_EQ(", selected", speech_monitor_.GetNextUtterance());

  // Press again to end the selection.
  SendKeyPressWithSearchAndShift(ui::VKEY_S);
  EXPECT_EQ("End selection", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
}

// flaky: http://crbug.com/418572
IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, DISABLED_ChromeVoxStickyMode) {
  LoadChromeVoxAndThenNavigateToURL(
      GURL("data:text/html;charset=utf-8,"
           "<label>Enter your name <input autofocus></label>"
           "<p>One</p>"
           "<h2>Two</h2>"));
  while (speech_monitor_.GetNextUtterance() != "Enter your name") {
  }
  EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());

  // Press the sticky-key sequence: Search Search.
  SendKeyPress(ui::VKEY_LWIN);
  SendKeyPress(ui::VKEY_LWIN);
  EXPECT_EQ("Sticky mode enabled", speech_monitor_.GetNextUtterance());

  // Even once we hear "sticky mode enabled" from the ChromeVox background
  // page, there's a short window of time when the content script still
  // hasn't switched to sticky mode. That's why we're focused on a text box.
  // Keep pressing the '/' key. If sticky mode is off, it will echo the word
  // "slash". If sticky mode is on, it will open "Find in page". Keep pressing
  // '/' until we get "Find in page.".
  PressRepeatedlyUntilUtterance(ui::VKEY_OEM_2, "Find in page.");
  EXPECT_EQ("Enter a search query.", speech_monitor_.GetNextUtterance());

  // Press Esc to exit Find in Page mode.
  SendKeyPress(ui::VKEY_ESCAPE);
  EXPECT_EQ("Exited", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Find in page.", speech_monitor_.GetNextUtterance());

  // Press N H to jump to the next heading. Skip over speech in-between
  // but make sure we end up at the heading.
  SendKeyPress(ui::VKEY_N);
  SendKeyPress(ui::VKEY_H);
  while (speech_monitor_.GetNextUtterance() != "Two") {
  }
  EXPECT_EQ("Heading 2", speech_monitor_.GetNextUtterance());

  // Press the up arrow to go to the previous element.
  SendKeyPress(ui::VKEY_UP);
  EXPECT_EQ("One", speech_monitor_.GetNextUtterance());
}

IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, TouchExploreStatusTray) {
  EnableChromeVox();
  SimulateTouchScreenInChromeVox();

  // Send an accessibility hover event on the system tray, which is
  // what we get when you tap it on a touch screen when ChromeVox is on.
  ash::SystemTray* tray = ash::Shell::GetInstance()->GetPrimarySystemTray();
  tray->NotifyAccessibilityEvent(ui::AX_EVENT_HOVER, true);

  EXPECT_EQ("Status tray,", speech_monitor_.GetNextUtterance());
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "time*,"));
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "Battery*"));
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());
}

//
// Spoken feedback tests that run only in guest mode.
//

class GuestSpokenFeedbackTest : public LoggedInSpokenFeedbackTest {
 protected:
  GuestSpokenFeedbackTest() {}
  ~GuestSpokenFeedbackTest() override {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    command_line->AppendSwitch(chromeos::switches::kGuestSession);
    command_line->AppendSwitch(::switches::kIncognito);
    command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile, "user");
    command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
                                    chromeos::login::kGuestUserName);
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(GuestSpokenFeedbackTest);
};

IN_PROC_BROWSER_TEST_F(GuestSpokenFeedbackTest, FocusToolbar) {
  EnableChromeVox();

  chrome::ExecuteCommand(browser(), IDC_FOCUS_TOOLBAR);

  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(), "about:blank*"));
  EXPECT_EQ("main", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Tool bar", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Reload", speech_monitor_.GetNextUtterance());
  EXPECT_EQ("Button", speech_monitor_.GetNextUtterance());
}

//
// Spoken feedback tests of the out-of-box experience.
//

class OobeSpokenFeedbackTest : public LoginManagerTest {
 protected:
  OobeSpokenFeedbackTest() : LoginManagerTest(false) {}
  ~OobeSpokenFeedbackTest() override {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    LoginManagerTest::SetUpCommandLine(command_line);
    // Many bots don't have keyboard/mice which triggers the HID detection
    // dialog in the OOBE.  Avoid confusing the tests with that.
    command_line->AppendSwitch(chromeos::switches::kDisableHIDDetectionOnOOBE);
  }

  SpeechMonitor speech_monitor_;

 private:
  DISALLOW_COPY_AND_ASSIGN(OobeSpokenFeedbackTest);
};

// Test is flaky: http://crbug.com/346797
IN_PROC_BROWSER_TEST_F(OobeSpokenFeedbackTest, DISABLED_SpokenFeedbackInOobe) {
  ui_controls::EnableUIControls();
  ASSERT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());

  LoginDisplayHost* login_display_host = LoginDisplayHostImpl::default_host();
  WebUILoginView* web_ui_login_view = login_display_host->GetWebUILoginView();
  views::Widget* widget = web_ui_login_view->GetWidget();
  gfx::NativeWindow window = widget->GetNativeWindow();

  // We expect to be in the language select dropdown for this test to work,
  // so make sure that's the case.
  js_checker().Execute("$('language-select').focus()");
  AccessibilityManager::Get()->EnableSpokenFeedback(
      true, ui::A11Y_NOTIFICATION_NONE);
  ASSERT_TRUE(speech_monitor_.SkipChromeVoxEnabledMessage());
  // There's no guarantee that ChromeVox speaks anything when injected after
  // the page loads, which is by design.  Tab forward and then backward
  // to make sure we get the right feedback from the language and keyboard
  // selection fields.
  ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
      window, ui::VKEY_TAB, false, false, false, false));

  while (speech_monitor_.GetNextUtterance() != "Select your keyboard:") {
  }
  EXPECT_EQ("U S", speech_monitor_.GetNextUtterance());
  EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                           "Combo box * of *"));
  ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
      window, ui::VKEY_TAB, false, true /*shift*/, false, false));
  while (speech_monitor_.GetNextUtterance() != "Select your language:") {
  }
  EXPECT_EQ("English ( United States)", speech_monitor_.GetNextUtterance());
  EXPECT_TRUE(
      MatchPattern(speech_monitor_.GetNextUtterance(), "Combo box * of *"));
}

}  // namespace chromeos