C++ MythEvent::ExtraDataList方法代码示例

void VideoSetupWizard::customEvent(QEvent *e)
{
    if ((MythEvent::Type)(e->type()) == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)e;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();
            if ((tokens.size() != 2) ||
                (args[1] != m_downloadFile))
                return;

            if (tokens[1] == "UPDATE")
            {
                QString message = tr("Downloading Video Sample...\n"
                                     "(%1 of %2 MB)")
                                     .arg(QString::number(args[2].toInt() / 1024.0 / 1024.0, 'f', 2))
                                     .arg(QString::number(args[3].toInt() / 1024.0 / 1024.0, 'f', 2));
                m_progressDialog->SetMessage(message);
                m_progressDialog->SetTotal(args[3].toInt());
                m_progressDialog->SetProgress(args[2].toInt());
            }
            else if (tokens[1] == "FINISHED")
            {
                int fileSize  = args[2].toInt();
                int errorCode = args[4].toInt();

                if (m_progressDialog)
                    m_progressDialog->Close();

                QFileInfo file(m_downloadFile);
                if ((m_downloadFile.startsWith("myth://")))
                {
                    if ((errorCode == 0) &&
                        (fileSize > 0))
                    {
                        if (m_testType == ttHighDefinition)
                            testHDVideo();
                        else if (m_testType == ttStandardDefinition)
                            testSDVideo();
                    }
                    else
                    {
                        ShowOkPopup(tr("Error downloading sample to backend."));
                    }
                }
            }
        }
    }
}

void RemoteSendEvent(const MythEvent &event)
{
    if (gCoreContext->IsBackend())
    {
        gCoreContext->dispatch(event);
        return;
    }

    QStringList strlist( "MESSAGE" );
    strlist << event.Message();
    strlist << event.ExtraDataList();

    gCoreContext->SendReceiveStringList(strlist);
}

void DecoderHandler::customEvent(QEvent *event)
{
    if (DecoderHandlerEvent *dhe = dynamic_cast<DecoderHandlerEvent*>(event))
    {
        // Proxy all DecoderHandlerEvents
        return dispatch(*dhe);
    }
    else if (event->type() == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)event;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();

            if (tokens[1] == "UPDATE")
            {
            }
            else if (tokens[1] == "FINISHED")
            {
                QString downloadUrl = args[0];
                int fileSize  = args[2].toInt();
                int errorCode = args[4].toInt();
                QString filename = args[1];

                if ((errorCode != 0) || (fileSize == 0))
                {
                    LOG(VB_GENERAL, LOG_ERR, QString("DecoderHandler: failed to download playlist from '%1'")
                        .arg(downloadUrl));
                    QUrl url(downloadUrl);
                    m_state = STOPPED;
                    doOperationStop();
                    doFailed(url, "Could not get playlist");
                }
                else
                {
                    QUrl fileUrl(filename);
                    createPlaylistFromFile(fileUrl);
                }
            }
        }
    }
}

/**
 *  \brief  Handle custom events
 *  \param  event The custom event
 */
void GallerySlideView::customEvent(QEvent *event)
{
    if ((MythEvent::Type)(event->type()) == MythEvent::MythEventMessage)
    {
        MythEvent *me      = (MythEvent *)event;
        QString    message = me->Message();

        QStringList extra = me->ExtraDataList();

        if (message == "IMAGE_METADATA" && !extra.isEmpty())
        {
            int id = extra[0].toInt();
            ImagePtrK selected = m_view->GetSelected();

            if (selected && selected->m_id == id)
                m_infoList.Display(*selected, extra.mid(1));
        }
        else if (message == "THUMB_AVAILABLE")
        {
            if (!extra.isEmpty() && m_view->Update(extra[0].toInt()))
                ShowSlide(0);
        }
    }
    else if (event->type() == DialogCompletionEvent::kEventType)
    {
        DialogCompletionEvent *dce = (DialogCompletionEvent *)(event);

        QString resultid  = dce->GetId();
        int     buttonnum = dce->GetResult();

        if (resultid == "metadatamenu")
        {
            switch (buttonnum)
            {
            case 0: Transform(kRotateCW); break;
            case 1: Transform(kRotateCCW); break;
            case 2: Transform(kFlipHorizontal); break;
            case 3: Transform(kFlipVertical); break;
            case 4: Transform(kResetToExif); break;
            case 5: Zoom(10); break;
            case 6: Zoom(-10); break;
            }
        }
    }
}

//.........这里部分代码省略.........
        }

        // pass it on to the default handler in MusicCommon
        handled = false;
    }
    else if (event->type() == OutputEvent::Stopped)
    {
        if (m_streamList)
        {
            MythUIButtonListItem *item = m_streamList->GetItemAt(m_currentTrack);
            if (item)
            {
                item->SetFontState("normal");
                item->DisplayState("stopped", "playstate");
            }
        }

        // pass it on to the default handler in MusicCommon
        handled = false;
    }
    else if (event->type() == OutputEvent::Buffering)
    {
    }
    else if (event->type() == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)event;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();

            if (tokens[1] == "UPDATE")
            {
            }
            else if (tokens[1] == "FINISHED")
            {
                QString url = args[0];
                int fileSize  = args[2].toInt();
                int errorCode = args[4].toInt();
                QString filename = args[1];

                if ((errorCode != 0) || (fileSize == 0))
                    LOG(VB_GENERAL, LOG_ERR, QString("StreamView: failed to download radio icon from '%1'").arg(url));
                else
                {
                    for (int x = 0; x < m_streamList->GetCount(); x++)
                    {
                        MythUIButtonListItem *item = m_streamList->GetItemAt(x);
                        Metadata *mdata = qVariantValue<Metadata*> (item->GetData());
                        if (mdata && mdata->LogoUrl() == url)
                            item->SetImage(filename);
                    }
                }
            }
        }
    }
    else if (event->type() == DecoderHandlerEvent::OperationStart)
    {
        DecoderHandlerEvent *dhe = dynamic_cast<DecoderHandlerEvent*>(event);
        if (!dhe)
            return;
        if (dhe->getMessage() && m_bufferStatus)

void NewsSite::customEvent(QEvent *event)
{
    if ((MythEvent::Type)(event->type()) == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)event;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();

            if (tokens[1] == "UPDATE")
            {
                // could update a progressbar here
            }
            else if (tokens[1] == "FINISHED")
            {
                QString filename = args[1];
                int fileSize  = args[2].toInt();
                QString errorStr = args[3];
                int errorCode = args[4].toInt();

                if ((errorCode != 0) || (fileSize == 0))
                {
                    LOG(VB_GENERAL, LOG_ERR, LOC + "HTTP Connection Error" +
                        QString("\n\t\t\tExplanation: %1: %2")
                                .arg(errorCode).arg(errorStr));

                    m_state = NewsSite::RetrieveFailed;
                    m_updateErrorString = QString("%1: %2").arg(errorCode).arg(errorStr);
                    emit finished(this);
                    return;
                }
                else
                {
                    m_updateErrorString = QString::null;
                    //m_data = data;

                    if (m_name.isEmpty())
                    {
                        m_state = NewsSite::WriteFailed;
                    }
                    else
                    {
                        if (QFile::exists(filename))
                        {
                            m_updated = MythDate::current();
                            m_state = NewsSite::Success;
                        }
                        else
                        {
                            m_state = NewsSite::WriteFailed;
                        }
                    }

                    emit finished(this);
                }
            }
        }
    }
}

bool PreviewGeneratorQueue::event(QEvent *e)
{
    if (e->type() != (QEvent::Type) MythEvent::MythEventMessage)
        return QObject::event(e);

    MythEvent *me = (MythEvent*)e;
    if (me->Message() == "GET_PREVIEW")
    {
        const QStringList list = me->ExtraDataList();
        QStringList::const_iterator it = list.begin();
        ProgramInfo evinfo(it, list.end());
        QString token;
        QSize outputsize;
        QString outputfile;
        long long time = -1LL;
        bool time_fmt_sec;
        if (it != list.end())
            token = (*it++);
        if (it != list.end())
            outputsize.setWidth((*it++).toInt());
        if (it != list.end())
            outputsize.setHeight((*it++).toInt());
        if (it != list.end())
            outputfile = (*it++);
        if (it != list.end())
            time = (*it++).toLongLong();
        QString fn;
        if (it != list.end())
        {
            time_fmt_sec = (*it++).toInt() != 0;
            fn = GeneratePreviewImage(evinfo, outputsize, outputfile,
                                      time, time_fmt_sec, token);
        }
        return true;
    }
    else if (me->Message() == "PREVIEW_SUCCESS" ||
             me->Message() == "PREVIEW_FAILED")
    {
        QString pginfokey = me->ExtraData(0); // pginfo->MakeUniqueKey()
        QString filename  = me->ExtraData(1); // outFileName
        QString msg       = me->ExtraData(2);
        QString datetime  = me->ExtraData(3);
        QString token     = me->ExtraData(4);

        {
            QMutexLocker locker(&m_lock);
            QMap<QString,QString>::iterator kit = m_tokenToKeyMap.find(token);
            if (kit == m_tokenToKeyMap.end())
            {
                LOG(VB_GENERAL, LOG_ERR, LOC +
                    QString("Failed to find token %1 in map.").arg(token));
                return true;
            }
            PreviewMap::iterator it = m_previewMap.find(*kit);
            if (it == m_previewMap.end())
            {
                LOG(VB_GENERAL, LOG_ERR, LOC +
                    QString("Failed to find key %1 in map.").arg(*kit));
                return true;
            }

            if ((*it).gen)
                (*it).gen->deleteLater();
            (*it).gen           = NULL;
            (*it).genStarted    = false;
            if (me->Message() == "PREVIEW_SUCCESS")
            {
                (*it).attempts      = 0;
                (*it).lastBlockTime = 0;
                (*it).blockRetryUntil = QDateTime();
            }
            else
            {
                (*it).lastBlockTime =
                    max(m_minBlockSeconds, (*it).lastBlockTime * 2);
                (*it).blockRetryUntil =
                    MythDate::current().addSecs((*it).lastBlockTime);
            }

            QStringList list;
            list.push_back(pginfokey);
            list.push_back(filename);
            list.push_back(msg);
            list.push_back(datetime);
            QSet<QString>::const_iterator tit = (*it).tokens.begin();
            for (; tit != (*it).tokens.end(); ++tit)
            {
                kit = m_tokenToKeyMap.find(*tit);
                if (kit != m_tokenToKeyMap.end())
                    m_tokenToKeyMap.erase(kit);
                list.push_back(*tit);
            }

            if (list.size() > 4)
            {
                QSet<QObject*>::iterator sit = m_listeners.begin();
                for (; sit != m_listeners.end(); ++sit)
                {
                    MythEvent *e = new MythEvent(me->Message(), list);
                    QCoreApplication::postEvent(*sit, e);
//.........这里部分代码省略.........

void ThemeChooser::customEvent(QEvent *e)
{
    if ((MythEvent::Type)(e->type()) == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)e;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();
            if ((m_downloadState == dsIdle) ||
                (tokens.size() != 2) ||
                (!m_downloadTheme) ||
                (args[1] != m_downloadFile))
                return;

            if (tokens[1] == "UPDATE")
            {
                updateProgressBar(args[2].toInt(), args[3].toInt());
            }
            else if (tokens[1] == "FINISHED")
            {
                bool remoteFileIsLocal = false;
                int fileSize  = args[2].toInt();
                int errorCode = args[4].toInt();

                CloseBusyPopup();

                QFileInfo file(m_downloadFile);
                if ((m_downloadState == dsDownloadingOnBackend) &&
                    (m_downloadFile.startsWith("myth://")))
                {
                    // The backend download is finished so start the
                    // frontend download
                    if ((errorCode == 0) &&
                        (fileSize > 0))
                    {
                        m_downloadState = dsDownloadingOnFrontend;
                        QString localFile = GetConfDir() + "/tmp/" +
                            file.fileName();
                        file.setFile(localFile);

                        if (file.exists())
                        {
                            remoteFileIsLocal = true;
                            m_downloadFile = localFile;
                        }
                        else
                        {
                            GetMythDownloadManager()->queueDownload(
                                m_downloadFile, localFile, this);
                            OpenBusyPopup(tr("Copying %1 Theme Package")
                                          .arg(m_downloadTheme->GetName()));
                            m_downloadFile = localFile;
                            return;
                        }
                    }
                    else
                    {
                        m_downloadState = dsIdle;
                        ShowOkPopup(tr("ERROR downloading theme package on master backend."));
                    }
                }

                if ((m_downloadState == dsDownloadingOnFrontend) &&
                    (file.exists()))
                {
                    // The frontend download is finished
                    if ((errorCode == 0) &&
                        (fileSize > 0))
                    {
                        m_downloadState = dsExtractingTheme;
                        ThemeExtractThread *extractThread =
                            new ThemeExtractThread(this, m_downloadFile,
                                                   GetConfDir() + "/themes");
                        MThreadPool::globalInstance()->start(
                            extractThread, "ThemeExtract");

                        if (!remoteFileIsLocal)
                            RemoteFile::DeleteFile(args[0]);

                        OpenBusyPopup(tr("Installing %1 Theme")
                                      .arg(m_downloadTheme->GetName()));
                    }
                    else
                    {
                        m_downloadState = dsIdle;
                        ShowOkPopup(tr("ERROR downloading theme package from master backend."));
                    }
                }
            }
        }
        else if ((me->Message() == "THEME_INSTALLED") &&
                 (m_downloadTheme) &&
                 (m_downloadState == dsExtractingTheme))
        {
            m_downloadState = dsIdle;
//.........这里部分代码省略.........

void NetTree::customEvent(QEvent *event)
{
    if (event->type() == ThumbnailDLEvent::kEventType)
    {
        ThumbnailDLEvent *tde = (ThumbnailDLEvent *)event;

        if (!tde)
            return;

        ThumbnailData *data = tde->thumb;

        if (!data)
            return;

        QString title = data->title;
        QString file = data->url;
        uint pos = qVariantValue<uint>(data->data);

        if (file.isEmpty())
            return;

        if (m_type == DLG_TREE)
        {
            if (title == m_siteMap->GetCurrentNode()->getString() &&
                m_thumbImage)
            {
                m_thumbImage->SetFilename(file);
                m_thumbImage->Load();
                m_thumbImage->Show();
            }
        }
        else
        {
            if (!((uint)m_siteButtonList->GetCount() >= pos))
            {
                delete data;
                return;
            }

            MythUIButtonListItem *item =
                      m_siteButtonList->GetItemAt(pos);

            if (item && item->GetText() == title)
            {
                item->SetImage(file);
            }
        }

        delete data;
    }
    else if (event->type() == kGrabberUpdateEventType)
    {
        doTreeRefresh();
    }
    else if ((MythEvent::Type)(event->type()) == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)event;
        QStringList tokens = me->Message().split(" ", QString::SkipEmptyParts);

        if (tokens.isEmpty())
            return;

        if (tokens[0] == "DOWNLOAD_FILE")
        {
            QStringList args = me->ExtraDataList();
            if ((tokens.size() != 2) ||
                (args[1] != m_downloadFile))
                return;

            if (tokens[1] == "UPDATE")
            {
                QString message = tr("Downloading Video...\n"
                                     "(%1 of %2 MB)")
                                     .arg(QString::number(args[2].toInt() / 1024.0 / 1024.0, 'f', 2))
                                     .arg(QString::number(args[3].toInt() / 1024.0 / 1024.0, 'f', 2));
                m_progressDialog->SetMessage(message);
                m_progressDialog->SetTotal(args[3].toInt());
                m_progressDialog->SetProgress(args[2].toInt());
            }
            else if (tokens[1] == "FINISHED")
            {
                int fileSize  = args[2].toInt();
                int errorCode = args[4].toInt();

                if (m_progressDialog)
                    m_progressDialog->Close();

                QFileInfo file(m_downloadFile);
                if ((m_downloadFile.startsWith("myth://")))
                {
                    if ((errorCode == 0) &&
                        (fileSize > 0))
                    {
                        doPlayVideo(m_downloadFile);
                    }
                    else
                    {
                        ShowOkPopup(tr("Error downloading video to backend."));
                    }
                }
//.........这里部分代码省略.........