ladybird/Userland/Libraries/LibAudio/ClientConnection.h

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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 <AudioServer/AudioClientEndpoint.h>
#include <AudioServer/AudioServerEndpoint.h>
#include <LibIPC/ServerConnection.h>

namespace Audio {

class Buffer;

class ClientConnection : public IPC::ServerConnection<AudioClientEndpoint, AudioServerEndpoint>
    , public AudioClientEndpoint {
    C_OBJECT(ClientConnection)
public:
    ClientConnection();

    virtual void handshake() override;
    void enqueue(const Buffer&);
    bool try_enqueue(const Buffer&);

    bool get_muted();
    void set_muted(bool);

    int get_main_mix_volume();
    void set_main_mix_volume(int);

    int get_remaining_samples();
    int get_played_samples();
    int get_playing_buffer();

    void set_paused(bool paused);
    void clear_buffer(bool paused = false);

    Function<void(i32 buffer_id)> on_finish_playing_buffer;
    Function<void(bool muted)> on_muted_state_change;
    Function<void(int volume)> on_main_mix_volume_change;

private:
    virtual void handle(const Messages::AudioClient::FinishedPlayingBuffer&) override;
    virtual void handle(const Messages::AudioClient::MutedStateChanged&) override;
    virtual void handle(const Messages::AudioClient::MainMixVolumeChanged&) override;
};

}