From 50fab53bddb2c3cb24d5682c913a03226ccf49ef Mon Sep 17 00:00:00 2001
From: "jam@chromium.org"
<jam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Sat, 26 Feb 2011 18:46:15 +0000
Subject: Move core pieces of speech from chrome to content.
TBR=satish
Review URL: http://codereview.chromium.org/6591024
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76165 0039d316-1c4b-4281-b951-d872f2087c98
---
.../browser/speech/speech_recognition_request.h | 82 ++++++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 content/browser/speech/speech_recognition_request.h
(limited to 'content/browser/speech/speech_recognition_request.h')
diff --git a/content/browser/speech/speech_recognition_request.h b/content/browser/speech/speech_recognition_request.h
new file mode 100644
index 0000000..3036d59
--- /dev/null
+++ b/content/browser/speech/speech_recognition_request.h
@@ -0,0 +1,82 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_
+#define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/ref_counted.h"
+#include "base/scoped_ptr.h"
+#include "chrome/common/net/url_fetcher.h"
+#include "chrome/common/speech_input_result.h"
+#include "googleurl/src/gurl.h"
+
+class URLFetcher;
+class URLRequestContextGetter;
+
+namespace speech_input {
+
+// Provides a simple interface for sending recorded speech data to the server
+// and get back recognition results.
+class SpeechRecognitionRequest : public URLFetcher::Delegate {
+ public:
+ // ID passed to URLFetcher::Create(). Used for testing.
+ static int url_fetcher_id_for_tests;
+
+ // Interface for receiving callbacks from this object.
+ class Delegate {
+ public:
+ virtual void SetRecognitionResult(
+ bool error, const SpeechInputResultArray& result) = 0;
+
+ protected:
+ virtual ~Delegate() {}
+ };
+
+ // |url| is the server address to which the request wil be sent.
+ SpeechRecognitionRequest(URLRequestContextGetter* context,
+ Delegate* delegate);
+
+ virtual ~SpeechRecognitionRequest();
+
+ // Sends a new request with the given audio data, returns true if successful.
+ // The same object can be used to send multiple requests but only after the
+ // previous request has completed.
+ bool Send(const std::string& language,
+ const std::string& grammar,
+ const std::string& hardware_info,
+ const std::string& origin_url,
+ const std::string& content_type,
+ const std::string& audio_data);
+
+ bool HasPendingRequest() { return url_fetcher_ != NULL; }
+
+ // URLFetcher::Delegate methods.
+ virtual void OnURLFetchComplete(const URLFetcher* source,
+ const GURL& url,
+ const net::URLRequestStatus& status,
+ int response_code,
+ const ResponseCookies& cookies,
+ const std::string& data);
+
+ private:
+ scoped_refptr<URLRequestContextGetter> url_context_;
+ Delegate* delegate_;
+ scoped_ptr<URLFetcher> url_fetcher_;
+
+ DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionRequest);
+};
+
+// This typedef is to workaround the issue with certain versions of
+// Visual Studio where it gets confused between multiple Delegate
+// classes and gives a C2500 error. (I saw this error on the try bots -
+// the workaround was not needed for my machine).
+typedef SpeechRecognitionRequest::Delegate SpeechRecognitionRequestDelegate;
+
+} // namespace speech_input
+
+#endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_
--
cgit v1.1