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avadapter.h

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    avadapter.h 2.65 KiB
    /*!
     * Copyright (C) 2020 by Savoir-faire Linux
     * Author: Mingrui Zhang <mingrui.zhang@savoirfairelinux.com>
     *
     * This program is free software; you can redistribute it and/or modify
     * it under the terms of the GNU General Public License as published by
     * the Free Software Foundation; either version 3 of the License, or
     * (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
     */
    
    #pragma once
    
    #include "qmladapterbase.h"
    
    #include <QObject>
    #include <QVariant>
    #include <QString>
    
    class AvAdapter final : public QmlAdapterBase
    {
        Q_OBJECT
    
    public:
        explicit AvAdapter(LRCInstance* instance, QObject* parent = nullptr);
        ~AvAdapter() = default;
    
    Q_SIGNALS:
    
        // Emitted when the size of the video capture device list changes.
        void videoDeviceListChanged(bool listIsEmpty);
    
        void screenCaptured(int screenNumber, QString source);
    
    protected:
        void safeInit() override {};
    
        // Return needed info for populating video device context menu item.
        Q_INVOKABLE QVariantMap populateVideoDeviceContextMenuItem();
    
        // Preview video input switching.
        Q_INVOKABLE void onVideoContextMenuDeviceItemClicked(const QString& deviceName);
    
        // Share the screen specificed by screen number.
        Q_INVOKABLE void shareEntireScreen(int screenNumber);
    
        // Share the all screens connected.
        Q_INVOKABLE void shareAllScreens();
    
        // Take snap shot of the screen and return emitting signal.
        Q_INVOKABLE void captureScreen(int screenNumber);
    
        // Take snap shot of the all screens and return by emitting signal.
        Q_INVOKABLE void captureAllScreens();
    
        // Share a media file.
        Q_INVOKABLE void shareFile(const QString& filePath);
    
        // Select screen area to display (from all screens).
        Q_INVOKABLE void shareScreenArea(unsigned x, unsigned y, unsigned width, unsigned height);
    
        Q_INVOKABLE void startAudioMeter(bool async);
        Q_INVOKABLE void stopAudioMeter(bool async);
    
    private:
        // Get current callId from current selected conv id.
        QString getCurrentCallId();
    
        // Used to classify capture device events.
        enum class DeviceEvent { Added, RemovedCurrent, None };
    
        // Used to track the capture device count.
        int deviceListSize_;
    
        // Device changed slot.
        void slotDeviceEvent();
    
        // Get the screen number
        int getScreenNumber() const;
    };