test_runner: Migrate MockWebSpeechRecognizer to Chromium C++ style.

content/shell/renderer/test_runner/mock_web_speech_recognizer.cc

+// Copyright 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 "content/shell/renderer/test_runner/mock_web_speech_recognizer.h"
+
+#include "base/logging.h"
+#include "content/shell/renderer/test_runner/WebTestDelegate.h"
+#include "third_party/WebKit/public/web/WebSpeechRecognitionResult.h"
+#include "third_party/WebKit/public/web/WebSpeechRecognizerClient.h"
+
+namespace content {
+
+namespace {
+
+// Task class for calling a client function that does not take any parameters.
+typedef void (blink::WebSpeechRecognizerClient::*ClientFunctionPointer)(
+    const blink::WebSpeechRecognitionHandle&);
+class ClientCallTask : public MockWebSpeechRecognizer::Task {
+ public:
+  ClientCallTask(MockWebSpeechRecognizer* mock, ClientFunctionPointer function)
+      : MockWebSpeechRecognizer::Task(mock), function_(function) {}
+
+  virtual ~ClientCallTask() {}
+
+  virtual void run() OVERRIDE {
+    (recognizer_->Client()->*function_)(recognizer_->Handle());
+  }
+
+ private:
+  ClientFunctionPointer function_;
+
+  DISALLOW_COPY_AND_ASSIGN(ClientCallTask);
+};
+
+// Task for delivering a result event.
+class ResultTask : public MockWebSpeechRecognizer::Task {
+ public:
+  ResultTask(MockWebSpeechRecognizer* mock,
+             const blink::WebString transcript,
+             float confidence)
+      : MockWebSpeechRecognizer::Task(mock),
+        transcript_(transcript),
+        confidence_(confidence) {}
+
+  virtual ~ResultTask() {}
+
+  virtual void run() OVERRIDE {
+    blink::WebVector<blink::WebString> transcripts(static_cast<size_t>(1));
+    blink::WebVector<float> confidences(static_cast<size_t>(1));
+    transcripts[0] = transcript_;
+    confidences[0] = confidence_;
+    blink::WebVector<blink::WebSpeechRecognitionResult> final_results(
+        static_cast<size_t>(1));
+    blink::WebVector<blink::WebSpeechRecognitionResult> interim_results;
+    final_results[0].assign(transcripts, confidences, true);
+
+    recognizer_->Client()->didReceiveResults(
+        recognizer_->Handle(), final_results, interim_results);
+  }
+
+ private:
+  blink::WebString transcript_;
+  float confidence_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResultTask);
+};
+
+// Task for delivering a nomatch event.
+class NoMatchTask : public MockWebSpeechRecognizer::Task {
+ public:
+  NoMatchTask(MockWebSpeechRecognizer* mock)
+      : MockWebSpeechRecognizer::Task(mock) {}
+
+  virtual ~NoMatchTask() {}
+
+  virtual void run() OVERRIDE {
+    recognizer_->Client()->didReceiveNoMatch(
+        recognizer_->Handle(), blink::WebSpeechRecognitionResult());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NoMatchTask);
+};
+
+// Task for delivering an error event.
+class ErrorTask : public MockWebSpeechRecognizer::Task {
+ public:
+  ErrorTask(MockWebSpeechRecognizer* mock,
+            blink::WebSpeechRecognizerClient::ErrorCode code,
+            const blink::WebString& message)
+      : MockWebSpeechRecognizer::Task(mock), code_(code), message_(message) {}
+
+  virtual ~ErrorTask() {}
+
+  virtual void run() OVERRIDE {
+    recognizer_->Client()->didReceiveError(
+        recognizer_->Handle(), message_, code_);
+  }
+
+ private:
+  blink::WebSpeechRecognizerClient::ErrorCode code_;
+  blink::WebString message_;
+
+  DISALLOW_COPY_AND_ASSIGN(ErrorTask);
+};
+
+}  // namespace
+
+MockWebSpeechRecognizer::MockWebSpeechRecognizer()
+    : was_aborted_(false), task_queue_running_(false), delegate_(0) {
+}
+
+MockWebSpeechRecognizer::~MockWebSpeechRecognizer() {
+  ClearTaskQueue();
+}
+
+void MockWebSpeechRecognizer::SetDelegate(WebTestDelegate* delegate) {
+  delegate_ = delegate;
+}
+
+void MockWebSpeechRecognizer::start(
+    const blink::WebSpeechRecognitionHandle& handle,
+    const blink::WebSpeechRecognitionParams& params,
+    blink::WebSpeechRecognizerClient* client) {
+  was_aborted_ = false;
+  handle_ = handle;
+  client_ = client;
+
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didStart));
+  task_queue_.push_back(new ClientCallTask(
+      this, &blink::WebSpeechRecognizerClient::didStartAudio));
+  task_queue_.push_back(new ClientCallTask(
+      this, &blink::WebSpeechRecognizerClient::didStartSound));
+
+  if (!mock_transcripts_.empty()) {
+    DCHECK_EQ(mock_transcripts_.size(), mock_confidences_.size());
+
+    for (size_t i = 0; i < mock_transcripts_.size(); ++i)
+      task_queue_.push_back(
+          new ResultTask(this, mock_transcripts_[i], mock_confidences_[i]));
+
+    mock_transcripts_.clear();
+    mock_confidences_.clear();
+  } else
+    task_queue_.push_back(new NoMatchTask(this));
+
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didEndSound));
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didEndAudio));
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didEnd));
+
+  StartTaskQueue();
+}
+
+void MockWebSpeechRecognizer::stop(
+    const blink::WebSpeechRecognitionHandle& handle,
+    blink::WebSpeechRecognizerClient* client) {
+  handle_ = handle;
+  client_ = client;
+
+  // FIXME: Implement.
+  NOTREACHED();
+}
+
+void MockWebSpeechRecognizer::abort(
+    const blink::WebSpeechRecognitionHandle& handle,
+    blink::WebSpeechRecognizerClient* client) {
+  handle_ = handle;
+  client_ = client;
+
+  ClearTaskQueue();
+  was_aborted_ = true;
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didEnd));
+  StartTaskQueue();
+}
+
+void MockWebSpeechRecognizer::AddMockResult(const blink::WebString& transcript,
+                                            float confidence) {
+  mock_transcripts_.push_back(transcript);
+  mock_confidences_.push_back(confidence);
+}
+
+void MockWebSpeechRecognizer::SetError(const blink::WebString& error,
+                                       const blink::WebString& message) {
+  blink::WebSpeechRecognizerClient::ErrorCode code;
+  if (error == "OtherError")
+    code = blink::WebSpeechRecognizerClient::OtherError;
+  else if (error == "NoSpeechError")
+    code = blink::WebSpeechRecognizerClient::NoSpeechError;
+  else if (error == "AbortedError")
+    code = blink::WebSpeechRecognizerClient::AbortedError;
+  else if (error == "AudioCaptureError")
+    code = blink::WebSpeechRecognizerClient::AudioCaptureError;
+  else if (error == "NetworkError")
+    code = blink::WebSpeechRecognizerClient::NetworkError;
+  else if (error == "NotAllowedError")
+    code = blink::WebSpeechRecognizerClient::NotAllowedError;
+  else if (error == "ServiceNotAllowedError")
+    code = blink::WebSpeechRecognizerClient::ServiceNotAllowedError;
+  else if (error == "BadGrammarError")
+    code = blink::WebSpeechRecognizerClient::BadGrammarError;
+  else if (error == "LanguageNotSupportedError")
+    code = blink::WebSpeechRecognizerClient::LanguageNotSupportedError;
+  else
+    return;
+
+  ClearTaskQueue();
+  task_queue_.push_back(new ErrorTask(this, code, message));
+  task_queue_.push_back(
+      new ClientCallTask(this, &blink::WebSpeechRecognizerClient::didEnd));
+  StartTaskQueue();
+}
+
+void MockWebSpeechRecognizer::StartTaskQueue() {
+  if (task_queue_running_)
+    return;
+  delegate_->postTask(new StepTask(this));
+  task_queue_running_ = true;
+}
+
+void MockWebSpeechRecognizer::ClearTaskQueue() {
+  while (!task_queue_.empty()) {
+    delete task_queue_.front();
+    task_queue_.pop_front();
+  }
+  task_queue_running_ = false;
+}
+
+void MockWebSpeechRecognizer::StepTask::runIfValid() {
+  if (m_object->task_queue_.empty()) {
+    m_object->task_queue_running_ = false;
+    return;
+  }
+
+  Task* task = m_object->task_queue_.front();
+  m_object->task_queue_.pop_front();
+  task->run();
+  delete task;
+
+  if (m_object->task_queue_.empty()) {
+    m_object->task_queue_running_ = false;
+    return;
+  }
+
+  m_object->delegate_->postTask(new StepTask(m_object));
+}
+
+}  // namespace content