1 /*
2  * Copyright (C) 2012 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *  * Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  *  * Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_CONTROLLER_H_
27 #define THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_CONTROLLER_H_
28 
29 #include <memory>
30 
31 #include "mojo/public/cpp/bindings/pending_receiver.h"
32 #include "mojo/public/cpp/bindings/pending_remote.h"
33 #include "mojo/public/cpp/bindings/remote.h"
34 #include "third_party/blink/public/mojom/speech/speech_recognizer.mojom-blink.h"
35 #include "third_party/blink/renderer/core/frame/local_frame.h"
36 #include "third_party/blink/renderer/modules/modules_export.h"
37 
38 namespace blink {
39 
40 class SpeechGrammarList;
41 
42 class SpeechRecognitionController final
43     : public GarbageCollected<SpeechRecognitionController>,
44       public Supplement<LocalFrame> {
45   USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognitionController);
46 
47  public:
48   static const char kSupplementName[];
49 
50   explicit SpeechRecognitionController(LocalFrame& frame);
51   virtual ~SpeechRecognitionController();
52 
53   void Start(mojo::PendingReceiver<mojom::blink::SpeechRecognitionSession>
54                  session_receiver,
55              mojo::PendingRemote<mojom::blink::SpeechRecognitionSessionClient>
56                  session_client,
57              const SpeechGrammarList& grammars,
58              const String& lang,
59              bool continuous,
60              bool interim_results,
61              uint32_t max_alternatives);
62 
From(LocalFrame * frame)63   static SpeechRecognitionController* From(LocalFrame* frame) {
64     return Supplement<LocalFrame>::From<SpeechRecognitionController>(frame);
65   }
66 
67  private:
68   mojo::Remote<mojom::blink::SpeechRecognizer>& GetSpeechRecognizer();
69 
70   mojo::Remote<mojom::blink::SpeechRecognizer> speech_recognizer_;
71 };
72 
73 MODULES_EXPORT void ProvideSpeechRecognitionTo(LocalFrame& frame);
74 
75 }  // namespace blink
76 
77 #endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_RECOGNITION_CONTROLLER_H_
78