Add a tray notification UI for speech input recording in the extension API.

chrome/browser/extensions/speech_input/extension_speech_input_apitest.cc

-// Copyright (c) 2011 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 "base/bind.h"
-#include "base/command_line.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/extensions/extension_apitest.h"
-#include "chrome/browser/extensions/speech_input/extension_speech_input_api.h"
-#include "chrome/browser/extensions/speech_input/extension_speech_input_manager.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
-#include "content/browser/speech/speech_recognizer.h"
-#include "content/common/speech_input_result.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using content::BrowserThread;
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-// Mock class used to test the extension speech input API.
-class ExtensionSpeechInputApiTest : public ExtensionApiTest,
-                                    public ExtensionSpeechInterface {
- public:
-  ExtensionSpeechInputApiTest();
-  virtual ~ExtensionSpeechInputApiTest();
-
-  void SetRecordingDevicesAvailable(bool available) {
-    recording_devices_available_ = available;
-  }
-
-  void SetRecognitionError(speech_input::SpeechInputError error) {
-    next_error_ = error;
-  }
-
-  void SetRecognitionResult(const speech_input::SpeechInputResult& result) {
-    next_result_ = result;
-  }
-
-  void SetRecognitionDelay(int result_delay_ms) {
-    result_delay_ms_ = result_delay_ms;
-  }
-
-  // Used as delay when the corresponding call should not be dispatched.
-  static const int kDontDispatchCall = -1;
-
-  // ExtensionApiTest methods.
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
-    ExtensionApiTest::SetUpCommandLine(command_line);
-    command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
-  }
-
-  // ExtensionSpeechInterface methods.
-  virtual bool HasAudioInputDevices() OVERRIDE {
-    return recording_devices_available_;
-  }
-
-  virtual bool IsRecordingInProcess() OVERRIDE {
-    // Only the mock recognizer is supposed to be recording during testing.
-    return HasValidRecognizer();
-  }
-
-  virtual bool HasValidRecognizer() OVERRIDE {
-    return recognizer_is_valid_;
-  }
-
-  virtual void StartRecording(
-      speech_input::SpeechRecognizerDelegate* delegate,
-      net::URLRequestContextGetter* context_getter,
-      int caller_id,
-      const std::string& language,
-      const std::string& grammar,
-      bool filter_profanities) OVERRIDE;
-
-  virtual void StopRecording(bool recognition_failed) OVERRIDE;
-
-  ExtensionSpeechInputManager* GetManager() {
-    return ExtensionSpeechInputManager::GetForProfile(browser()->profile());
-  }
-
-  // Auxiliary class used to hook the API manager into the test during its
-  // lifetime. Required since browser() is not available during the set up
-  // or tear down callbacks, or during the test class construction.
-  class AutoManagerHook {
-   public:
-    explicit AutoManagerHook(ExtensionSpeechInputApiTest* test)
-        : test_(test) {
-      test_->GetManager()->SetExtensionSpeechInterface(test_);
-    }
-
-    ~AutoManagerHook() {
-      test_->GetManager()->SetExtensionSpeechInterface(NULL);
-    }
-
-   private:
-    ExtensionSpeechInputApiTest* test_;
-  };
-
- private:
-  void ProvideResults(int caller_id);
-
-  bool recording_devices_available_;
-  bool recognizer_is_valid_;
-  speech_input::SpeechInputError next_error_;
-  speech_input::SpeechInputResult next_result_;
-  int result_delay_ms_;
-};
-
-ExtensionSpeechInputApiTest::ExtensionSpeechInputApiTest()
-    : recording_devices_available_(true),
-      recognizer_is_valid_(false),
-      next_error_(speech_input::kErrorNone),
-      result_delay_ms_(0) {
-}
-
-ExtensionSpeechInputApiTest::~ExtensionSpeechInputApiTest() {
-}
-
-void ExtensionSpeechInputApiTest::StartRecording(
-      speech_input::SpeechRecognizerDelegate* delegate,
-      net::URLRequestContextGetter* context_getter,
-      int caller_id,
-      const std::string& language,
-      const std::string& grammar,
-      bool filter_profanities) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  recognizer_is_valid_ = true;
-
-  // Notify that recording started.
-  MessageLoop::current()->PostDelayedTask(FROM_HERE,
-      base::Bind(&ExtensionSpeechInputManager::DidStartReceivingAudio,
-      GetManager(), caller_id), 0);
-
-  // Notify sound start in the input device.
-  MessageLoop::current()->PostDelayedTask(FROM_HERE,
-      base::Bind(&ExtensionSpeechInputManager::DidStartReceivingSpeech,
-      GetManager(), caller_id), 0);
-
-  if (result_delay_ms_ != kDontDispatchCall) {
-    // Dispatch the recognition results.
-    MessageLoop::current()->PostDelayedTask(FROM_HERE,
-        base::Bind(&ExtensionSpeechInputApiTest::ProvideResults, this,
-        caller_id), result_delay_ms_);
-  }
-}
-
-void ExtensionSpeechInputApiTest::StopRecording(bool recognition_failed) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  recognizer_is_valid_ = false;
-}
-
-void ExtensionSpeechInputApiTest::ProvideResults(int caller_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  if (next_error_ != speech_input::kErrorNone) {
-    GetManager()->OnRecognizerError(caller_id, next_error_);
-    return;
-  }
-
-  GetManager()->DidStopReceivingSpeech(caller_id);
-  GetManager()->SetRecognitionResult(caller_id, next_result_);
-}
-
-// Every test should leave the manager in the idle state when finished.
-IN_PROC_BROWSER_TEST_F(ExtensionSpeechInputApiTest, StartStopTest) {
-  AutoManagerHook hook(this);
-
-  SetRecognitionDelay(kDontDispatchCall);
-  ASSERT_TRUE(RunExtensionTest("speech_input/start_stop")) << message_;
-}
-
-IN_PROC_BROWSER_TEST_F(ExtensionSpeechInputApiTest, NoDevicesAvailable) {
-  AutoManagerHook hook(this);
-
-  SetRecordingDevicesAvailable(false);
-  ASSERT_TRUE(RunExtensionTest("speech_input/start_error")) << message_;
-}
-
-IN_PROC_BROWSER_TEST_F(ExtensionSpeechInputApiTest, RecognitionSuccessful) {
-  AutoManagerHook hook(this);
-
-  speech_input::SpeechInputResult result;
-  result.hypotheses.push_back(
-      speech_input::SpeechInputHypothesis(UTF8ToUTF16("this is a test"), 0.99));
-  SetRecognitionResult(result);
-  ASSERT_TRUE(RunExtensionTest("speech_input/recognition")) << message_;
-}
-
-IN_PROC_BROWSER_TEST_F(ExtensionSpeechInputApiTest, RecognitionError) {
-  AutoManagerHook hook(this);
-
-  SetRecognitionError(speech_input::kErrorNetwork);
-  ASSERT_TRUE(RunExtensionTest("speech_input/recognition_error")) << message_;
-}