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/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "SpeechRecognitionPermissionRequest.h"
#include <WebCore/PageIdentifier.h>
#include <WebCore/SpeechRecognitionError.h>
#include <WebCore/SpeechRecognitionRequest.h>
#include <WebCore/SpeechRecognitionResultData.h>
#include <WebCore/SpeechRecognizer.h>
#include <wtf/Deque.h>
namespace WebCore {
enum class SpeechRecognitionUpdateType : uint8_t;
struct CaptureSourceOrError;
struct ClientOrigin;
}
namespace WebKit {
class WebProcessProxy;
using SpeechRecognitionServerIdentifier = WebCore::PageIdentifier;
using SpeechRecognitionPermissionChecker = Function<void(WebCore::SpeechRecognitionRequest&, SpeechRecognitionPermissionRequestCallback&&)>;
using SpeechRecognitionCheckIfMockSpeechRecognitionEnabled = Function<bool()>;
class SpeechRecognitionServer : public IPC::MessageReceiver, private IPC::MessageSender {
WTF_MAKE_FAST_ALLOCATED;
public:
#if ENABLE(MEDIA_STREAM)
using RealtimeMediaSourceCreateFunction = Function<WebCore::CaptureSourceOrError()>;
SpeechRecognitionServer(Ref<IPC::Connection>&&, SpeechRecognitionServerIdentifier, SpeechRecognitionPermissionChecker&&, SpeechRecognitionCheckIfMockSpeechRecognitionEnabled&&, RealtimeMediaSourceCreateFunction&&);
#else
SpeechRecognitionServer(Ref<IPC::Connection>&&, SpeechRecognitionServerIdentifier, SpeechRecognitionPermissionChecker&&, SpeechRecognitionCheckIfMockSpeechRecognitionEnabled&&);
#endif
void start(WebCore::SpeechRecognitionConnectionClientIdentifier, String&& lang, bool continuous, bool interimResults, uint64_t maxAlternatives, WebCore::ClientOrigin&&, WebCore::FrameIdentifier);
void stop(WebCore::SpeechRecognitionConnectionClientIdentifier);
void abort(WebCore::SpeechRecognitionConnectionClientIdentifier);
void invalidate(WebCore::SpeechRecognitionConnectionClientIdentifier);
void mute();
private:
void requestPermissionForRequest(WebCore::SpeechRecognitionRequest&);
void handleRequest(UniqueRef<WebCore::SpeechRecognitionRequest>&&);
void sendUpdate(WebCore::SpeechRecognitionConnectionClientIdentifier, WebCore::SpeechRecognitionUpdateType, std::optional<WebCore::SpeechRecognitionError> = std::nullopt, std::optional<Vector<WebCore::SpeechRecognitionResultData>> = std::nullopt);
void sendUpdate(const WebCore::SpeechRecognitionUpdate&);
// IPC::MessageReceiver.
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
Ref<IPC::Connection> m_connection;
SpeechRecognitionServerIdentifier m_identifier;
HashMap<WebCore::SpeechRecognitionConnectionClientIdentifier, std::unique_ptr<WebCore::SpeechRecognitionRequest>> m_requests;
SpeechRecognitionPermissionChecker m_permissionChecker;
std::unique_ptr<WebCore::SpeechRecognizer> m_recognizer;
SpeechRecognitionCheckIfMockSpeechRecognitionEnabled m_checkIfMockSpeechRecognitionEnabled;
bool m_isResetting { false };
#if ENABLE(MEDIA_STREAM)
RealtimeMediaSourceCreateFunction m_realtimeMediaSourceCreateFunction;
#endif
};
} // namespace WebKit
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