rockbox/utils/rbutilqt/createvoicewindow.cpp

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 *
 *   Copyright (C) 2007 by Dominik Riebeling
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include <QMessageBox>
#include "createvoicewindow.h"
#include "ui_createvoicefrm.h"

#include "configure.h"
#include "rbsettings.h"
#include "playerbuildinfo.h"
#include "Logger.h"

CreateVoiceWindow::CreateVoiceWindow(QWidget *parent) : QDialog(parent)
{
    ui.setupUi(this);
    updateSettings();
    connect(ui.change,&QAbstractButton::clicked,this,&CreateVoiceWindow::change);
}

void CreateVoiceWindow::change()
{
    // save window settings
    saveSettings();

    // call configuration dialog
    Config *cw = new Config(this,4);
    connect(cw, &Config::settingsUpdated, this, &CreateVoiceWindow::updateSettings);
    cw->show();    
}

void CreateVoiceWindow::accept()
{
    // Do not start a second job while voice creation is still running.
    if(workerThread)
        return;

    logger = new ProgressLoggerGui(this);
    connect(logger,&ProgressLoggerGui::closed,this,&QWidget::close);
    logger->show();    

    saveSettings();
    
    // Voice generation invokes the TTS engine and encoder synchronously. Run
    // it in a worker thread so the GUI (including accessibility support) stays
    // responsive while a voice file is being created.
    workerThread = new QThread(this);
    voicecreator = new VoiceFileCreator(nullptr);

    //configure voicecreator
    QString suffix = RbSettings::value(RbSettings::Suffix).toString();
    QString mountpoint = RbSettings::value(RbSettings::Mountpoint).toString();

    if (!suffix.isEmpty()) {
        QString fullpath = mountpoint + suffix;
        voicecreator->setMountPoint(fullpath);
    } else {
        voicecreator->setMountPoint(mountpoint);
    }

    voicecreator->setLang(ui.comboLanguage->itemData(ui.comboLanguage->currentIndex()).toString());
    voicecreator->setWavtrimThreshold(ui.wavtrimthreshold->value());
       
    //start creating
    connect(voicecreator, &VoiceFileCreator::done, logger, &ProgressLoggerGui::setFinished);
    connect(voicecreator, &VoiceFileCreator::logItem, logger, &ProgressLoggerGui::addItem);
    connect(voicecreator, &VoiceFileCreator::logProgress, logger, &ProgressLoggerGui::setProgress);
    // abort() only emits a signal connected to the generator's atomic abort
    // flag, so it is safe to call while the worker is inside a TTS request.
    connect(logger, &ProgressLoggerGui::aborted,
            voicecreator, &VoiceFileCreator::abort, Qt::DirectConnection);

    voicecreator->moveToThread(workerThread);
    connect(workerThread, &QThread::started,
            voicecreator, &VoiceFileCreator::createVoiceFile);
    connect(voicecreator, &VoiceFileCreator::done,
            workerThread, &QThread::quit);
    connect(voicecreator, &VoiceFileCreator::done,
            voicecreator, &QObject::deleteLater);
    connect(workerThread, &QThread::finished,
            workerThread, &QObject::deleteLater);
    connect(workerThread, &QThread::finished, this, [this]() {
        voicecreator = nullptr;
        workerThread = nullptr;
    });
    workerThread->start(QThread::LowPriority);
}


/** @brief update displayed settings
 */
void CreateVoiceWindow::updateSettings(void)
{
    // fill in language combobox. Map has QString as value, but is stored as QVariant.
    QMap<QString, QVariant> langs
            = PlayerBuildInfo::instance()->value(PlayerBuildInfo::LanguageList).toMap();
    for(auto it = langs.begin(); it != langs.end(); it++) {
        ui.comboLanguage->addItem(it.value().toString(), it.key());
    }
    // set saved lang
    int sel = ui.comboLanguage->findData(
            RbSettings::value(RbSettings::VoiceLanguage).toString());
    // if no saved language is found try to figure the language from the UI lang
    if(sel == -1) {
        // the UI language is stored as ISO 631-1 code. Try to resolve it to the
        // Rockbox language string.
        QString uilang = RbSettings::value(RbSettings::Language).toString();
        // default to english if no language is set.
        if(uilang.isEmpty()) {
            // FIXME: we try to set the UI language from the environment, but
            // don't store it unless changed. Falling back to en is only valid
            // if the system is actually english.
            uilang = "en";
        }
        QString l = PlayerBuildInfo::instance()->value(
                    PlayerBuildInfo::LanguageInfo, uilang).toStringList().at(0);
        if(!l.isEmpty()) {
            sel = ui.comboLanguage->findData(l);
        }
    }
    ui.comboLanguage->setCurrentIndex(sel);

    QString ttsName = RbSettings::value(RbSettings::Tts).toString();
    TTSBase* tts = TTSBase::getTTS(this,ttsName);
    if(!tts)
    {
        QMessageBox::critical(this, tr("TTS error"),
            tr("The selected TTS failed to initialize. You can't use this TTS."));
        return;
    }
    if(tts->configOk())
        ui.labelTtsProfile->setText(tr("Engine: <b>%1</b>")
            .arg(TTSBase::getTTSName(ttsName)));
    else
        ui.labelTtsProfile->setText(tr("Engine: <b>%1</b>")
            .arg("Invalid TTS configuration!"));

    ui.wavtrimthreshold->setValue(RbSettings::value(RbSettings::WavtrimThreshold).toInt());
    emit settingsUpdated();
}


/** @brief save options
  */
void CreateVoiceWindow::saveSettings(void)
{
    // save selected language
    RbSettings::setValue(RbSettings::VoiceLanguage,
                         ui.comboLanguage->itemData(ui.comboLanguage->currentIndex()).toString());
    // save wavtrim threshold value
    RbSettings::setValue(RbSettings::WavtrimThreshold,
                         ui.wavtrimthreshold->value());
    RbSettings::sync();
}

void CreateVoiceWindow::changeEvent(QEvent *e)
{
    if(e->type() == QEvent::LanguageChange) {
        ui.retranslateUi(this);
        updateSettings();
    } else {
        QWidget::changeEvent(e);
    }
}