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 SpeechRecognitionController_h
27#define SpeechRecognitionController_h
28
29#include "core/page/Page.h"
30#include "modules/speech/SpeechRecognitionClient.h"
31#include "wtf/PassOwnPtr.h"
32
33namespace blink {
34
35class SpeechRecognitionController FINAL : public NoBaseWillBeGarbageCollectedFinalized<SpeechRecognitionController>, public WillBeHeapSupplement<Page> {
36    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognitionController);
37public:
38    virtual ~SpeechRecognitionController();
39
40    void start(SpeechRecognition* recognition, const SpeechGrammarList* grammars, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives)
41    {
42        m_client->start(recognition, grammars, lang, continuous, interimResults, maxAlternatives);
43    }
44
45    void stop(SpeechRecognition* recognition) { m_client->stop(recognition); }
46    void abort(SpeechRecognition* recognition) { m_client->abort(recognition); }
47
48    static PassOwnPtrWillBeRawPtr<SpeechRecognitionController> create(PassOwnPtr<SpeechRecognitionClient>);
49    static const char* supplementName();
50    static SpeechRecognitionController* from(Page* page) { return static_cast<SpeechRecognitionController*>(WillBeHeapSupplement<Page>::from(page, supplementName())); }
51
52    virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<Page>::trace(visitor); }
53
54private:
55    explicit SpeechRecognitionController(PassOwnPtr<SpeechRecognitionClient>);
56
57    OwnPtr<SpeechRecognitionClient> m_client;
58};
59
60} // namespace blink
61
62#endif // SpeechRecognitionController_h
63