dde-dock/frame/window/components/volumedeviceswidget.cpp

#include "volumedeviceswidget.h"
#include "customslider.h"
#include "volumemodel.h"
#include "settingdelegate.h"

#include <DListView>
#include <DPushButton>
#include <DLabel>
#include <DGuiApplicationHelper>

#include <QVBoxLayout>
#include <QScrollBar>
#include <QEvent>
#include <QProcess>
#include <QDBusInterface>
#include <QDBusConnection>

DWIDGET_USE_NAMESPACE

#define HEADERHEIGHT 30
#define ITEMSPACE 16

VolumeDevicesWidget::VolumeDevicesWidget(VolumeModel *model, QWidget *parent)
    : QWidget(parent)
    , m_volumeSlider(new CustomSlider(CustomSlider::Normal, this))
    , m_descriptionLabel(new QLabel(tr("Output Device"), this))
    , m_deviceList(new DListView(this))
    , m_volumeModel(model)
    , m_audioSink(nullptr)
    , m_model(new QStandardItemModel(this))
    , m_delegate(new SettingDelegate(m_deviceList))
{
    initUi();
    initConnection();
    reloadAudioDevices();

    QMetaObject::invokeMethod(this, [ this ] {
        resetVolumeInfo();
        resizeHeight();
    }, Qt::QueuedConnection);
}

VolumeDevicesWidget::~VolumeDevicesWidget()
{
}

void VolumeDevicesWidget::initUi()
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(6);

    m_volumeSlider->setIconSize(QSize(36, 36));
    m_volumeSlider->setLeftIcon(QIcon(leftIcon()));
    m_volumeSlider->setRightIcon(QIcon(rightIcon()));

    layout->addWidget(m_volumeSlider);
    layout->addSpacing(4);
    layout->addWidget(m_descriptionLabel);

    m_deviceList->setModel(m_model);
    m_deviceList->setViewMode(QListView::ListMode);
    m_deviceList->setMovement(QListView::Free);
    m_deviceList->setItemRadius(12);
    m_deviceList->setWordWrap(false);
    m_deviceList->verticalScrollBar()->setVisible(false);
    m_deviceList->horizontalScrollBar()->setVisible(false);
    m_deviceList->setOrientation(QListView::Flow::TopToBottom, false);
    layout->addWidget(m_deviceList);
    m_deviceList->setSpacing(10);

    m_deviceList->setItemDelegate(m_delegate);
}

void VolumeDevicesWidget::reloadAudioDevices()
{
    QList<AudioPorts *> ports = m_volumeModel->ports();
    for (AudioPorts *port : ports) {
        DStandardItem *item = new DStandardItem;
        item->setText(QString("%1(%2)").arg(port->description()).arg(port->cardName()));
        item->setIcon(QIcon(soundIconFile(port)));
        item->setFlags(Qt::NoItemFlags);
        item->setData(port->isChecked(), itemCheckRole);
        item->setData(QVariant::fromValue(port), itemDataRole);
        m_model->appendRow(item);
        if (port->isChecked())
            m_deviceList->setCurrentIndex(m_model->indexFromItem(item));
    }

    DStandardItem *settingItem = new DStandardItem;
    settingItem->setText(tr("Sound settings"));
    settingItem->setFlags(Qt::NoItemFlags);
    settingItem->setData(false, itemCheckRole);
    m_model->appendRow(settingItem);
}

void VolumeDevicesWidget::initConnection()
{
    m_audioSink = m_volumeModel->defaultSink();
    auto adjustVolumeSlider = [ this ](int volume) {
        m_volumeSlider->blockSignals(true);
        m_volumeSlider->setValue(volume);
        m_volumeSlider->blockSignals(false);
    };
    if (m_audioSink)
        connect(m_audioSink, &AudioSink::volumeChanged, this, adjustVolumeSlider);
    connect(m_volumeModel, &VolumeModel::defaultSinkChanged, this, [ this, adjustVolumeSlider ](AudioSink *sink) {
        if (m_audioSink)
            disconnect(m_audioSink);

        m_audioSink = sink;
        if (m_audioSink)
            connect(m_audioSink, &AudioSink::volumeChanged, this, adjustVolumeSlider);

        resetVolumeInfo();
        m_deviceList->update();
    });

    connect(m_volumeSlider, &CustomSlider::valueChanged, this, [ this ](int value) {
        AudioSink *defSink = m_volumeModel->defaultSink();
        if (!defSink)
            return;

        defSink->setVolume(value, true);
    });
    connect(m_volumeModel, &VolumeModel::checkPortChanged, this, [ this ] {
        for (int i = 0; i < m_model->rowCount(); i++) {
            QModelIndex index = m_model->index(i, 0);
            AudioPorts *port = index.data(itemDataRole).value<AudioPorts *>();
            if (port)
                m_model->setData(index, port->isChecked(), itemCheckRole);
        }
        m_deviceList->update();
    });

    connect(m_delegate, &SettingDelegate::selectIndexChanged, this, [ this ](const QModelIndex &index) {
        AudioPorts *port = index.data(itemDataRole).value<AudioPorts *>();
        if (port) {
            m_volumeModel->setActivePort(port);
            m_deviceList->update();
        } else {
            // 打开控制中心的声音模块
            QDBusInterface controlcenter("com.deepin.dde.ControlCenter", "/com/deepin/dde/ControlCenter",
                                         "com.deepin.dde.ControlCenter", QDBusConnection::sessionBus());
            controlcenter.call("ShowModule", "sound");
            hide();
        }
    });
}

QString VolumeDevicesWidget::leftIcon()
{
    QString iconLeft = QString(":/icons/resources/audio-volume-%1").arg(m_volumeModel->isMute() ? "muted" : "low");
    if (DGuiApplicationHelper::instance()->themeType() == DGuiApplicationHelper::LightType)
        iconLeft.append("-dark");

    return iconLeft;
}

QString VolumeDevicesWidget::rightIcon()
{
    QString iconRight = QString(":/icons/resources/audio-volume-high");
    if (DGuiApplicationHelper::instance()->themeType() == DGuiApplicationHelper::LightType)
        iconRight.append("-dark");

    return iconRight;
}

const QString VolumeDevicesWidget::soundIconFile(AudioPorts *port) const
{
    if (!port)
        return QString();

    if (port->isHeadPhone()) {
        if (DGuiApplicationHelper::instance()->themeType() == DGuiApplicationHelper::LightType)
            return QString(":/icons/resources/ICON_Device_Headphone_dark.svg");

        return QString(":/icons/resources/ICON_Device_Headphone.svg");
    }

    if (DGuiApplicationHelper::instance()->themeType() == DGuiApplicationHelper::LightType)
        return QString(":/icons/resources/ICON_Device_Laptop_dark.svg");

    return QString(":/icons/resources/ICON_Device_Laptop.svg");
}

void VolumeDevicesWidget::resizeHeight()
{
    m_deviceList->adjustSize();
    QMargins m = layout()->contentsMargins();
    int height = m.top() + m.bottom() + HEADERHEIGHT + m_volumeSlider->height() + ITEMSPACE
            + m_descriptionLabel->height() + m_deviceList->height();

    setFixedHeight(height);
}

void VolumeDevicesWidget::resetVolumeInfo()
{
    AudioSink *defaultSink = m_volumeModel->defaultSink();
    if (!defaultSink)
        return;

    m_volumeSlider->blockSignals(true);
    m_volumeSlider->setValue(defaultSink->volume());
    m_volumeSlider->blockSignals(false);
}