gallerythumbview.cpp

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#include "gallerythumbview.h"

#include <chrono> // for milliseconds
#include <thread> // for sleep_for

#include <QApplication>
#include <utility>

#include "compat.h"

#include "mythuitext.h"
#include "mythprogressdialog.h"
#include "mythuiprogressbar.h"
#include "remotefile.h"
#include "mythsystemlegacy.h"
#include "mythdialogbox.h"

#include "galleryconfig.h"

#define LOC QString("Thumbview: ")


class ShellThread: public MThread
{
public:
    ShellThread(QString cmd, QString path)
        : MThread("Import"), m_command(std::move(cmd)), m_path(std::move(path)) {}

    int GetResult(void) { return m_result; }

    void run() override // MThread
    {
        RunProlog();

        QString cmd = QString("cd %1 && %2").arg(m_path, m_command);
        LOG(VB_GENERAL, LOG_INFO, QString("Executing \"%1\"").arg(cmd));

        m_result = myth_system(cmd);

        LOG(VB_GENERAL, LOG_INFO, QString(" ...with result %1").arg(m_result));

        RunEpilog();
    }

private:
    int     m_result {0};
    QString m_command;
    QString m_path;
};


class TransferThread : public MThread
{
    Q_DECLARE_TR_FUNCTIONS(FileTransferWorker);
public:
    typedef QMap<ImagePtrK, QString> TransferMap;
    typedef QSet<ImagePtrK> ImageSet;

    TransferThread(const TransferMap &files, bool move, MythUIProgressDialog *dialog)
        : MThread("FileTransfer"),
          m_move(move), m_files(files), m_dialog(dialog) {}

    ImageSet GetResult(void) { return m_failed; }

    void run() override // MThread
    {
        RunProlog();

        QString action = m_move ? tr("Moving") : tr("Copying");

        // Sum file sizes
        int total = 0;
        foreach (ImagePtrK im, m_files.keys())
            total += im->m_size;

        int progressSize = 0;
        foreach (ImagePtrK im, m_files.keys())
        {
            // Update progress dialog
            if (m_dialog)
            {
                QString message = QString("%1 %2\n%3")
                        .arg(action, QFileInfo(im->m_url).fileName(),
                             ImageAdapterBase::FormatSize(im->m_size / 1024));

                ProgressUpdateEvent *pue =
                        new ProgressUpdateEvent(progressSize, total, message);
                QApplication::postEvent(m_dialog, pue);
            }

            QString newPath = m_files.value(im);
            LOG(VB_FILE, LOG_INFO, QString("%2 %3 -> %4")
                .arg(action, im->m_url, newPath));

            bool success = m_move ? RemoteFile::MoveFile(im->m_url, newPath)
                                  : RemoteFile::CopyFile(im->m_url, newPath,
                                                         false, true);
            if (!success)
            {
                // Flag failures
                m_failed.insert(im);

                LOG(VB_GENERAL, LOG_ERR,
                    QString("%1: Failed to copy/move %2 -> %3")
                    .arg(objectName(), im->m_url, m_files[im]));
            }

            progressSize += im->m_size;
        }

        // Update progress dialog
        if (m_dialog)
        {
            ProgressUpdateEvent *pue =
                    new ProgressUpdateEvent(progressSize, total, tr("Complete"));
            QApplication::postEvent(m_dialog, pue);
        }

        RunEpilog();
    }

private:
    bool                  m_move;   
    TransferMap           m_files;  
    ImageSet              m_failed; 
    MythUIProgressDialog *m_dialog; 
};


static void WaitUntilDone(MThread &worker)
{
    worker.start();
    while (!worker.isFinished())
    {
        std::this_thread::sleep_for(std::chrono::milliseconds(1));
        qApp->processEvents();
    }
}


GalleryThumbView::GalleryThumbView(MythScreenStack *parent, const char *name)
    : MythScreenType(parent, name),
      m_popupStack(*GetMythMainWindow()->GetStack("popup stack")),
      m_mgr(ImageManagerFe::getInstance()),
      // This screen uses a single fixed view (Parent dir, ordered dirs, ordered images)
      m_view(new DirectoryView(kOrdered)),
      m_infoList(*this),
      // Start in edit mode unless a password exists
      m_editsAllowed(gCoreContext->GetSetting("GalleryPassword").isEmpty())
{
    // Hide hidden when edits disallowed
    if (!m_editsAllowed)
        m_mgr.SetVisibility(false);
}


GalleryThumbView::~GalleryThumbView()
{
    LOG(VB_GUI, LOG_DEBUG, LOC + "Exiting Gallery");
    delete m_view;
}


void GalleryThumbView::Close()
{
    LOG(VB_GUI, LOG_DEBUG, LOC + "Closing Gallery");

    gCoreContext->removeListener(this);

    // Cleanup local devices
    m_mgr.CloseDevices();

    // Cleanup view
    m_view->Clear();

    MythScreenType::Close();
}


bool GalleryThumbView::Create()
{
    if (!LoadWindowFromXML("image-ui.xml", "gallery", this))
        return false;

    // Determine zoom levels supported by theme
    // images0 must exist; images1, images2 etc. are optional and enable zoom
    int               zoom = 0;
    MythUIButtonList *widget;
    do
    {
        QString name = QString("images%1").arg(zoom++);
        widget = dynamic_cast<MythUIButtonList *>(this->GetChild(name));
        if (widget)
        {
            m_zoomWidgets.append(widget);
            widget->SetVisible(false);
        }
    }
    while (widget);

    if (m_zoomWidgets.isEmpty())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "Screen 'Gallery' is missing 'images0'");
        return false;
    }
    LOG(VB_GUI, LOG_DEBUG, LOC + QString("Screen 'Gallery' found %1 zoom levels")
        .arg(m_zoomWidgets.size()));

    // File details list is managed elsewhere
    if (!m_infoList.Create(false))
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "Cannot load 'Info buttonlist'");
        return false;
    }

    UIUtilW::Assign(this, m_captionText,      "caption");
    UIUtilW::Assign(this, m_emptyText,        "noimages");
    UIUtilW::Assign(this, m_positionText,     "position");
    UIUtilW::Assign(this, m_crumbsText,       "breadcrumbs");
    UIUtilW::Assign(this, m_hideFilterText,   "hidefilter");
    UIUtilW::Assign(this, m_typeFilterText,   "typefilter");
    UIUtilW::Assign(this, m_scanProgressText, "scanprogresstext");
    UIUtilW::Assign(this, m_scanProgressBar,  "scanprogressbar");

    if (m_scanProgressText)
        m_scanProgressText->SetVisible(false);
    if (m_scanProgressBar)
        m_scanProgressBar->SetVisible(false);

    BuildFocusList();

    // Initialise list widget with appropriate zoom level for this theme.
    m_zoomLevel = gCoreContext->GetNumSetting("GalleryZoomLevel", 0);
    SelectZoomWidget(0);

    return true;
}


bool GalleryThumbView::keyPressEvent(QKeyEvent *event)
{
    if (GetFocusWidget()->keyPressEvent(event))
        return true;

    QStringList actions;
    bool handled = GetMythMainWindow()->TranslateKeyPress("Images", event, actions);

    for (int i = 0; i < actions.size() && !handled; i++)
    {
        QString action = actions[i];
        handled = true;

        if (action == "MENU")
            MenuMain();
        else if (action == "INFO")
            ShowDetails();
        else if (action == "ZOOMIN")
            ZoomIn();
        else if (action == "ZOOMOUT")
            ZoomOut();
        else if (action == "ROTRIGHT")
            RotateCW();
        else if (action == "ROTLEFT")
            RotateCCW();
        else if (action == "FLIPHORIZONTAL")
            FlipHorizontal();
        else if (action == "FLIPVERTICAL")
            FlipVertical();
        else if (action == "COVER")
        {
            ImagePtrK im = m_view->GetSelected();
            if (m_editsAllowed && im)
            {
                if (im == m_view->GetParent())
                    // Reset dir
                    m_mgr.SetCover(im->m_id, 0);
                else
                    // Set parent cover
                    m_mgr.SetCover(im->m_parentId, im->m_id);
            }
        }
        else if (action == "PLAY")
            Slideshow();
        else if (action == "RECURSIVESHOW")
        {
            ImagePtrK im = m_view->GetSelected();
            if (im && im->IsDirectory())
                RecursiveSlideshow();
        }
        else if (action == "MARK")
        {
            ImagePtrK im = m_view->GetSelected();
            if (m_editsAllowed && im && im != m_view->GetParent())
                MarkItem(!m_view->IsMarked(im->m_id));
        }
        else if (action == "ESCAPE" && !GetMythMainWindow()->IsExitingToMain())
        {
            // Exit info list, if shown
            handled = m_infoList.Hide();

            // Ascend the tree unless parent is root,
            // or a device and multiple devices/imports exist
            if (!handled)
            {
                ImagePtrK node = m_view->GetParent();
                if (node && node->m_id != GALLERY_DB_ID
                        && (!node->IsDevice() || m_mgr.DeviceCount() > 0))
                    handled = DirSelectUp();
            }
        }
        else
            handled = false;
    }

    if (!handled)
        handled = MythScreenType::keyPressEvent(event);

    return handled;
}


void GalleryThumbView::customEvent(QEvent *event)
{

    if (event->type() == MythEvent::MythEventMessage)
    {
        MythEvent  *me    = static_cast<MythEvent *>(event);
        const QString&     mesg  = me->Message();
        QStringList extra = me->ExtraDataList();

        // Internal messages contain a hostname. Ignore other FE messages
        QStringList token = mesg.split(' ');
        if (token.size() >= 2 && token[1] != gCoreContext->GetHostName())
            return;

        if (token[0] == "IMAGE_METADATA")
        {
            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 (token[0] == "THUMB_AVAILABLE")
        {
            int id = extra[0].toInt();

            // Note existance of all thumbs
            m_thumbExists.insert(id);

            // Get all buttons waiting for this thumbnail
            QList<ThumbLocation> affected = m_pendingMap.values(id);

            // Only concerned with thumbnails we've requested
            if (affected.isEmpty())
                return;

            LOG(VB_GENERAL, LOG_DEBUG, LOC +
                QString("Rx %1 : %2").arg(token[0], extra.join(",")));

            // Thumb url was cached when request was sent
            QString url = m_view->GetCachedThumbUrl(id);

            // Set thumbnail for each button now it exists
            foreach(const ThumbLocation &location, affected)
            {
                MythUIButtonListItem *button = location.first;
                int                   index  = location.second;

                ImagePtrK im = button->GetData().value<ImagePtrK>();
                if (im)
                    UpdateThumbnail(button, im, url, index);
            }

            // Cancel pending request
            m_pendingMap.remove(id);
        }
        else if (token[0] == "IMAGE_DB_CHANGED")
        {
            // Expects csv list of deleted ids, csv list of changed ids
            LOG(VB_GENERAL, LOG_DEBUG, LOC +
                QString("Rx %1 : %2").arg(token[0], extra.join(",")));

            if (!extra.isEmpty())
            {
                QStringList idDeleted =
                        extra[0].split(",", QString::SkipEmptyParts);

                RemoveImages(idDeleted);
            }
            if (extra.size() >= 2)
            {
                QStringList idChanged =
                        extra[1].split(",", QString::SkipEmptyParts);
                RemoveImages(idChanged, false);
            }

            // Refresh display
            LoadData(m_view->GetParentId());
        }
        else if (token[0] == "IMAGE_DEVICE_CHANGED")
        {
            // Expects list of url prefixes
            LOG(VB_GENERAL, LOG_DEBUG, LOC +
                QString("Rx %1 : %2").arg(token[0], extra.join(",")));

            // Clear everything. Local devices will be rebuilt
            m_view->Clear();
            m_thumbExists.clear();

            // Remove thumbs & images from image cache using supplied prefixes
            foreach(const QString &url, extra)
                GetMythUI()->RemoveFromCacheByFile(url);

            // Refresh display
            LoadData(m_view->GetParentId());
        }
        else if (token[0] == "IMAGE_SCAN_STATUS" && extra.size() == 3)
        {
            // Expects scanner id, scanned#, total#
            UpdateScanProgress(extra[0], extra[1].toInt(), extra[2].toInt());
        }
    }
    else if (event->type() == DialogCompletionEvent::kEventType)
    {
        DialogCompletionEvent *dce = (DialogCompletionEvent *)(event);

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

        if (resultid == "FileRename")
        {
            QString newName = dce->GetResultText();
            if (m_menuState.m_selected)
            {
                QString err = m_mgr.RenameFile(m_menuState.m_selected,
                                               newName);
                if (!err.isEmpty())
                    ShowOkPopup(err);
            }
        }
        else if (resultid == "MakeDir")
        {
            if (m_menuState.m_selected)
            {
                // Prohibit subtrees
                QString name = dce->GetResultText();
                QString err  = name.contains("/")
                        ? tr("Invalid Name")
                        : m_mgr.MakeDir(m_menuState.m_selected->m_id,
                                        QStringList(name));
                if (!err.isEmpty())
                    ShowOkPopup(err);
            }
        }
        else if (resultid == "SlideOrderMenu")
        {
            SlideOrderType slideOrder = kOrdered;

            switch (buttonnum)
            {
            case 0: slideOrder = kOrdered; break;
            case 1: slideOrder = kShuffle; break;
            case 2: slideOrder = kRandom; break;
            case 3: slideOrder = kSeasonal; break;
            }
            gCoreContext->SaveSetting("GallerySlideOrder", slideOrder);
            LOG(VB_FILE, LOG_DEBUG, LOC + QString("Order %1").arg(slideOrder));
        }
        else if (resultid == "ImageCaptionMenu")
        {
            ImageCaptionType captions = kNoCaption;

            switch (buttonnum)
            {
            case 0: captions = kNameCaption; break;
            case 1: captions = kDateCaption; break;
            case 2: captions = kUserCaption; break;
            case 3: captions = kNoCaption;   break;
            }
            gCoreContext->SaveSetting("GalleryImageCaption", captions);
            BuildImageList();
        }
        else if (resultid == "DirCaptionMenu")
        {
            ImageCaptionType captions = kNoCaption;

            switch (buttonnum)
            {
            case 0: captions = kNameCaption; break;
            case 1: captions = kDateCaption; break;
            case 2: captions = kNoCaption;   break;
            }
            gCoreContext->SaveSetting("GalleryDirCaption", captions);
            BuildImageList();
        }
        else if (resultid == "Password")
        {
            QString password = dce->GetResultText();
            m_editsAllowed = (password == gCoreContext->GetSetting("GalleryPassword"));
        }
        else if (buttonnum == 1)
        {
            // Confirm current file deletion
            QString err;
            if (resultid == "ConfirmDelete" && m_menuState.m_selected)
            {
                ImageIdList ids = ImageIdList() << m_menuState.m_selected->m_id;
                err = m_mgr.DeleteFiles(ids);
            }
            // Confirm marked file deletion
            else if (resultid == "ConfirmDeleteMarked")
            {
                err = m_mgr.DeleteFiles(m_menuState.m_markedId);
            }
            else
                return;

            if (!err.isEmpty())
                ShowOkPopup(err);
        }
    }
}


void GalleryThumbView::RemoveImages(const QStringList &ids, bool deleted)
{
    foreach (const QString &id, ids)
    {
        // Remove image from view
        QStringList urls = m_view->RemoveImage(id.toInt(), deleted);
        // Cleanup url lookup
        m_thumbExists.remove(id.toInt());

        // Remove thumbs & images from image cache
        foreach(const QString &url, urls)
        {
            LOG(VB_FILE, LOG_DEBUG, LOC +
                QString("Clearing image cache of '%1'").arg(url));

            GetMythUI()->RemoveFromCacheByFile(url);
        }
    }
}


void GalleryThumbView::Start()
{
    // Detect any running BE scans
    // Expects OK, scanner id, current#, total#
    QStringList message = m_mgr.ScanQuery();
    if (message.size() == 4 && message[0] == "OK")
    {
        UpdateScanProgress(message[1], message[2].toInt(), message[3].toInt());
    }

    // Only receive events after device/scan status has been established
    gCoreContext->addListener(this);

    // Start at Root if devices exist. Otherwise go straight to SG node
    int start = m_mgr.DetectLocalDevices() ? GALLERY_DB_ID : PHOTO_DB_ID;

    LoadData(start);
}


void GalleryThumbView::LoadData(int parent)
{
    ResetUiSelection();

    // Load view for parent directory
    if (m_view->LoadFromDb(parent))
    {
        m_imageList->SetVisible(true);
        if (m_emptyText)
        {
            m_emptyText->SetVisible(false);
            m_emptyText->Reset();
        }

        // Construct the buttonlist
        BuildImageList();
    }
    else
    {
        m_infoList.Hide();
        m_imageList->SetVisible(false);
        if (m_emptyText)
        {
            m_emptyText->SetVisible(true);
            m_emptyText->SetText(tr("No images found.\n"
                                    "Scan storage group using menu,\n"
                                    "or insert/mount local media.\n"));
        }
    }
}


void GalleryThumbView::BuildImageList()
{
    m_imageList->Reset();
    m_pendingMap.clear();

    // Get parent & all children
    ImageListK nodes    = m_view->GetAllNodes();
    ImagePtrK  selected = m_view->GetSelected();

    // go through the entire list and update
    foreach(const ImagePtrK &im, nodes)
        if (im)
        {
            // Data must be set by constructor: First item is automatically
            // selected and must have data available for selection event, as
            // subsequent reselection of same item will always fail.
            MythUIButtonListItem *item =
                    new MythUIButtonListItem(m_imageList, "", qVariantFromValue(im));

            item->setCheckable(true);
            item->setChecked(MythUIButtonListItem::NotChecked);

            // assign and display all information about
            // the current item, like title and subdirectory count
            UpdateImageItem(item);

            // Treat parent differently
            if (im == nodes[0])
            {
                // Only non-root parents can ascend
                if (im->m_id != GALLERY_DB_ID)
                    item->DisplayState("upfolder", "parenttype");
            }
            else if (im == selected)
                // Reinstate the active button item. Note this would fail for parent
                m_imageList->SetItemCurrent(item);
        }
}


void GalleryThumbView::UpdateImageItem(MythUIButtonListItem *item)
{
    ImagePtrK im = item->GetData().value<ImagePtrK >();
    if (!im)
        return;

    // Allow themes to distinguish between roots, folders, pics, videos
    switch (im->m_type)
    {
    case kDevice:
    case kCloneDir:
    case kDirectory:
        if (im->m_dirCount > 0)
            item->SetText(QString("%1/%2")
                          .arg(im->m_fileCount).arg(im->m_dirCount),
                          "childcount");
        else
            item->SetText(QString::number(im->m_fileCount), "childcount");

        item->DisplayState(im->IsDevice() ? "device" : "subfolder", "buttontype");
        break;

    case kImageFile:
        item->DisplayState("image", "buttontype");
        break;

    case kVideoFile:
        item->DisplayState("video", "buttontype");
        break;

    default:
        break;
    }

    // Allow theme to distinguish visible/hidden nodes
    QString hideState = (im->m_isHidden) ? "hidden" : "visible";
    item->DisplayState(hideState, "buttonstate");

    // Caption
    QString text;
    int show = gCoreContext->GetNumSetting(
                im->IsFile() ? "GalleryImageCaption"
                             : "GalleryDirCaption");
    switch (show)
    {
    case kNameCaption: text = m_mgr.CrumbName(*im); break;
    case kDateCaption: text = m_mgr.ShortDateOf(im); break;
    case kUserCaption: text = im->m_comment; break;
    default:
    case kNoCaption:   text = ""; break;
    }
    item->SetText(text);

    // Set marked state
    MythUIButtonListItem::CheckState state
            = m_view->IsMarked(im->m_id)
            ? MythUIButtonListItem::FullChecked
            : MythUIButtonListItem::NotChecked;

    item->setChecked(state);

    // Thumbnails required
    ImageIdList request;

    if (im->m_thumbNails.size() == 1)
    {
        // Single thumbnail
        QString url = CheckThumbnail(item, im, request, 0);

        if (!url.isEmpty())
            UpdateThumbnail(item, im, url, 0);
    }
    else
    {
        // Dir showing up to 4 thumbs. Set them all at same time
        InfoMap thumbMap;
        for (int index = 0; index < im->m_thumbNails.size(); ++index)
        {
            QString url = CheckThumbnail(item, im, request, index);
            if (!url.isEmpty())
                thumbMap.insert(QString("thumbimage%1").arg(index), url);
        }
        if (!thumbMap.isEmpty())
            item->SetImageFromMap(thumbMap);
    }

    // Request creation/verification of unknown thumbnails.
    if (!request.isEmpty())
        m_mgr.CreateThumbnails(request, im->IsDirectory());
}


QString GalleryThumbView::CheckThumbnail(MythUIButtonListItem *item, const ImagePtrK& im,
                                         ImageIdList &request, int index)
{
    ThumbPair thumb(im->m_thumbNails.at(index));
    int id = thumb.first;

    if (m_thumbExists.contains(id))
        return thumb.second;

    // Request BE thumbnail check if it is not already pending
    if (!m_pendingMap.contains(id))
        request << id;

    // Note this button is awaiting an update
    m_pendingMap.insertMulti(id, qMakePair(item, index));

    return "";
}


void GalleryThumbView::UpdateThumbnail(MythUIButtonListItem *button,
                                       const ImagePtrK& im, const QString &url,
                                       int index)
{
    if (im->m_thumbNails.size() == 1)
    {
        // Pics, dirs & videos use separate widgets
        switch (im->m_type)
        {
        case kImageFile: button->SetImage(url); break;
        case kVideoFile: button->SetImage(url, "videoimage"); break;
        default:         button->SetImage(url, "folderimage"); break;
        }
    }
    else
        // Dir with 4 thumbnails
        button->SetImage(url, QString("thumbimage%1").arg(index));
}


void GalleryThumbView::UpdateScanProgress(const QString &scanner,
                                          int current, int total)
{
    // Scan update
    m_scanProgress.insert(scanner, qMakePair(current, total));

    // Detect end of this scan
    if (current >= total)
    {
        LOG(VB_GUI, LOG_DEBUG, LOC + QString("Scan Finished %1 %2/%3")
            .arg(scanner).arg(current).arg(total));

        // Mark inactive scanner
        m_scanActive.remove(scanner);

        // Detect end of last scan
        if (m_scanActive.isEmpty())
        {
            if (m_scanProgressText)
            {
                m_scanProgressText->SetVisible(false);
                m_scanProgressText->Reset();
            }
            if (m_scanProgressBar)
            {
                m_scanProgressBar->SetVisible(false);
                m_scanProgressBar->Reset();
            }

            m_scanProgress.clear();

            return;
        }
    }
    else
    {
        // Detect first scan update
        if (m_scanActive.isEmpty())
        {
            // Show progressbar when first scan starts
            if (m_scanProgressBar)
            {
                m_scanProgressBar->SetVisible(true);
                m_scanProgressBar->SetStart(0);
            }
            if (m_scanProgressText)
                m_scanProgressText->SetVisible(true);
        }

        if (!m_scanActive.contains(scanner))
        {
            LOG(VB_GUI, LOG_DEBUG, LOC + QString("Scan Started %1 %2/%3")
                .arg(scanner).arg(current).arg(total));

            // Mark active scanner
            m_scanActive.insert(scanner);
        }
    }

    // Aggregate all running scans
    int currentAgg = 0, totalAgg = 0;
    foreach (IntPair scan, m_scanProgress.values())
    {
        currentAgg += scan.first;
        totalAgg   += scan.second;
    }

    if (m_scanProgressBar)
    {
        m_scanProgressBar->SetUsed(currentAgg);
        m_scanProgressBar->SetTotal(totalAgg);
    }
    if (m_scanProgressText)
        m_scanProgressText->SetText(tr("%L1 of %L3").arg(currentAgg).arg(totalAgg));
}


void GalleryThumbView::ResetUiSelection()
{
    if (m_positionText)
        m_positionText->Reset();

    if (m_captionText)
        m_captionText->Reset();

    if (m_crumbsText)
        m_crumbsText->Reset();

    if (m_hideFilterText)
        m_hideFilterText->Reset();

    if (m_typeFilterText)
        m_typeFilterText->Reset();
}


void GalleryThumbView::SetUiSelection(MythUIButtonListItem *item)
{
    ImagePtrK im = item->GetData().value<ImagePtrK >();
    if (im)
    {
        // update the position in the node list
        m_view->Select(im->m_id);

        // show the name/path of the image
        if (m_crumbsText)
            m_crumbsText->SetText(m_mgr.CrumbName(*im, true));

        if (m_captionText)
        {
            // show the date & comment of non-root nodes
            QStringList text;
            if (im->m_id != GALLERY_DB_ID)
            {
                if (im->IsFile() || im->IsDevice())
                    text << m_mgr.LongDateOf(im);

                if (!im->m_comment.isEmpty())
                    text << im->m_comment;
            }
            m_captionText->SetText(text.join(" - "));
        }

        if (m_hideFilterText)
        {
            m_hideFilterText->SetText(m_mgr.GetVisibility() ? tr("Hidden") : "");
        }

        if (m_typeFilterText)
        {
            QString text = "";
            switch (m_mgr.GetType())
            {
            case kPicAndVideo : text = ""; break;
            case kPicOnly     : text = tr("Pictures"); break;
            case kVideoOnly   : text = tr("Videos"); break;
            }
            m_typeFilterText->SetText(text);
        }

        // show the position of the image
        if (m_positionText)
            m_positionText->SetText(m_view->GetPosition());

        // Update any file details information
        m_infoList.Update(im);
    }
}


void GalleryThumbView::MenuMain()
{
    // Create the main menu
    MythMenu *menu = new MythMenu(tr("Gallery Options"), this, "mainmenu");

    // Menu options depend on the marked files and the current node
    m_menuState = m_view->GetMenuSubjects();

    if (m_menuState.m_selected)
    {
        if (m_editsAllowed)
        {
            MenuMarked(menu);
            MenuPaste(menu);
            MenuTransform(menu);
            MenuAction(menu);
        }
        MenuSlideshow(menu);
        MenuShow(menu);
        if (!m_editsAllowed)
            menu->AddItem(tr("Enable Edits"), SLOT(ShowPassword()));
    }

    // Depends on current status of backend scanner - string(number(isBackend()))
    if (m_scanActive.contains("1"))
        menu->AddItem(tr("Stop Scan"), SLOT(StopScan()));
    else
        menu->AddItem(tr("Scan Storage Group"), SLOT(StartScan()));

    menu->AddItem(tr("Settings"), SLOT(ShowSettings()));

    MythDialogBox *popup = new MythDialogBox(menu, &m_popupStack, "menuPopup");
    if (popup->Create())
        m_popupStack.AddScreen(popup);
    else
        delete popup;
}


void GalleryThumbView::MenuMarked(MythMenu *mainMenu)
{
    ImagePtrK parent = m_view->GetParent();

    if (m_menuState.m_childCount == 0 || parent.isNull())
        return;

    QString   title = tr("%L1 marked").arg(m_menuState.m_markedId.size());
    MythMenu *menu  = new MythMenu(title, this, "markmenu");

    // Mark/unmark selected
    if (m_menuState.m_selected->IsFile())
    {
        if (m_menuState.m_selectedMarked)
            menu->AddItem(tr("Unmark File"), SLOT(UnmarkItem()));
        else
            menu->AddItem(tr("Mark File"), SLOT(MarkItem()));
    }
    // Cannot mark/unmark parent dir from this level
    else if (!m_menuState.m_selected->IsDevice()
             && m_menuState.m_selected != parent)
    {
        if (m_menuState.m_selectedMarked)
            menu->AddItem(tr("Unmark Directory"), SLOT(UnmarkItem()));
        else
            menu->AddItem(tr("Mark Directory"), SLOT(MarkItem()));
    }

    if (parent->m_id != GALLERY_DB_ID)
    {
        // Mark All if unmarked files exist
        if (m_menuState.m_markedId.size() < m_menuState.m_childCount)
            menu->AddItem(tr("Mark All"), SLOT(MarkAll()));

        // Unmark All if marked files exist
        if (!m_menuState.m_markedId.isEmpty())
        {
            menu->AddItem(tr("Unmark All"), SLOT(UnmarkAll()));
            menu->AddItem(tr("Invert Marked"), SLOT(MarkInvertAll()));
        }
    }

    if (menu->IsEmpty())
        delete menu;
    else
        mainMenu->AddItem(tr("Mark"), nullptr, menu);
}


void GalleryThumbView::MenuPaste(MythMenu *mainMenu)
{
    // Can only copy/move into non-root dirs
    if (m_menuState.m_selected->IsDirectory()
            && m_menuState.m_selected->m_id != GALLERY_DB_ID)
    {
        // Operate on current marked files, if any
        ImageIdList files = m_menuState.m_markedId;
        if (files.isEmpty())
            files = m_menuState.m_prevMarkedId;
        if (files.isEmpty())
            return;

        QString title = tr("%L1 marked").arg(files.size());

        MythMenu *menu = new MythMenu(title, this, "pastemenu");

        menu->AddItem(tr("Move Marked Into"), SLOT(Move()));
        menu->AddItem(tr("Copy Marked Into"), SLOT(Copy()));

        mainMenu->AddItem(tr("Paste"), nullptr, menu);
    }
}


void GalleryThumbView::MenuTransform(MythMenu *mainMenu)
{
    // Operate on marked files, if any, otherwise selected node
    if (!m_menuState.m_markedId.isEmpty())
    {
        QString title = tr("%L1 marked").arg(m_menuState.m_markedId.size());

        MythMenu *menu = new MythMenu(title, this, "");

        menu->AddItem(tr("Rotate Marked CW"), SLOT(RotateCWMarked()));
        menu->AddItem(tr("Rotate Marked CCW"), SLOT(RotateCCWMarked()));
        menu->AddItem(tr("Flip Marked Horizontal"), SLOT(FlipHorizontalMarked()));
        menu->AddItem(tr("Flip Marked Vertical"), SLOT(FlipVerticalMarked()));
        menu->AddItem(tr("Reset Marked to Exif"), SLOT(ResetExifMarked()));

        mainMenu->AddItem(tr("Transforms"), nullptr, menu);
    }
    else if (m_menuState.m_selected->IsFile())
    {
        MythMenu *menu = new MythMenu(m_menuState.m_selected->m_baseName, this, "");

        menu->AddItem(tr("Rotate CW"), SLOT(RotateCW()));
        menu->AddItem(tr("Rotate CCW"), SLOT(RotateCCW()));
        menu->AddItem(tr("Flip Horizontal"), SLOT(FlipHorizontal()));
        menu->AddItem(tr("Flip Vertical"), SLOT(FlipVertical()));
        menu->AddItem(tr("Reset to Exif"), SLOT(ResetExif()));

        mainMenu->AddItem(tr("Transforms"), nullptr, menu);
    }
}


void GalleryThumbView::MenuAction(MythMenu *mainMenu)
{
    MythMenu *menu;
    ImagePtrK selected = m_menuState.m_selected;

    // Operate on current marked files, if any
    if (!m_menuState.m_markedId.empty())
    {
        QString title = tr("%L1 marked").arg(m_menuState.m_markedId.size());

        menu = new MythMenu(title, this, "actionmenu");

        // Only offer Hide/Unhide if relevant
        if (m_menuState.m_unhiddenMarked)
            menu->AddItem(tr("Hide Marked"), SLOT(HideMarked()));
        if (m_menuState.m_hiddenMarked)
            menu->AddItem(tr("Unhide Marked"), SLOT(UnhideMarked()));

        menu->AddItem(tr("Delete Marked"), SLOT(DeleteMarked()));
    }
    else
    {
        // Operate on selected file/dir
        menu = new MythMenu(selected->m_baseName, this, "actionmenu");

        // Prohibit actions on devices and parent dirs
        if (!selected->IsDevice() && selected != m_view->GetParent())
        {
            if (selected->m_isHidden)
                menu->AddItem(tr("Unhide"), SLOT(Unhide()));
            else
                menu->AddItem(tr("Hide"), SLOT(HideItem()));

            menu->AddItem(tr("Use as Cover"), SLOT(SetCover()));
            menu->AddItem(tr("Delete"),       SLOT(DeleteItem()));
            menu->AddItem(tr("Rename"),       SLOT(ShowRenameInput()));
        }
        else if (selected->m_userThumbnail)
            menu->AddItem(tr("Reset Cover"), SLOT(ResetCover()));
    }

    // Can only mkdir in a non-root dir
    if (selected->IsDirectory()
            && selected->m_id != GALLERY_DB_ID)
        menu->AddItem(tr("Create Directory"), SLOT(MakeDir()));

    // Only show import command on root, when defined
    if (selected->m_id == GALLERY_DB_ID
            && !gCoreContext->GetSetting("GalleryImportCmd").isEmpty())
        menu->AddItem(tr("Import"), SLOT(Import()));

    // Only show eject when devices (excluding import) exist
    if (selected->IsDevice() && selected->IsLocal())
        menu->AddItem(tr("Eject media"), SLOT(Eject()));

    if (menu->IsEmpty())
        delete menu;
    else
        mainMenu->AddItem(tr("Actions"), nullptr, menu);
}


void GalleryThumbView::MenuSlideshow(MythMenu *mainMenu)
{
    int order = gCoreContext->GetNumSetting("GallerySlideOrder", kOrdered);

    QString ordering;
    switch (order)
    {
    case kShuffle  : ordering = tr("Shuffled"); break;
    case kRandom   : ordering = tr("Random"); break;
    case kSeasonal : ordering = tr("Seasonal"); break;
    default:
    case kOrdered  : ordering = tr("Ordered"); break;
    }

    MythMenu *menu = new MythMenu(tr("Slideshow") + " (" + ordering + ")",
                                  this, "SlideshowMenu");

    // Use selected dir or parent, if image selected
    if (m_menuState.m_selected->IsDirectory())
    {
        if (m_menuState.m_selected->m_fileCount > 0)
            menu->AddItem(tr("Directory"), SLOT(Slideshow()));

        if (m_menuState.m_selected->m_dirCount > 0)
            menu->AddItem(tr("Recursive"), SLOT(RecursiveSlideshow()));
    }
    else
        menu->AddItem(tr("Current Directory"), SLOT(Slideshow()));

    MythMenu *orderMenu = new MythMenu(tr("Slideshow Order"), this,
                                       "SlideOrderMenu");

    orderMenu->AddItem(tr("Ordered"),  nullptr, nullptr, order == kOrdered);
    orderMenu->AddItem(tr("Shuffled"), nullptr, nullptr, order == kShuffle);
    orderMenu->AddItem(tr("Random"),   nullptr, nullptr, order == kRandom);
    orderMenu->AddItem(tr("Seasonal"), nullptr, nullptr, order == kSeasonal);

    menu->AddItem(tr("Change Order"), nullptr, orderMenu);

    if (gCoreContext->GetBoolSetting("GalleryRepeat", false))
        menu->AddItem(tr("Turn Repeat Off"), SLOT(RepeatOff()));
    else
        menu->AddItem(tr("Turn Repeat On"), SLOT(RepeatOn()));

    mainMenu->AddItem(tr("Slideshow"), nullptr, menu);
}


void GalleryThumbView::MenuShow(MythMenu *mainMenu)
{
    MythMenu *menu = new MythMenu(tr("Show Options"), this, "showmenu");

    int type = m_mgr.GetType();
    if (type == kPicAndVideo)
    {
        menu->AddItem(tr("Hide Pictures"), SLOT(HidePictures()));
        menu->AddItem(tr("Hide Videos"), SLOT(HideVideos()));
    }
    else
        menu->AddItem(type == kPicOnly ? tr("Show Videos") : tr("Show Pictures"),
                      SLOT(ShowType()));

    int show = gCoreContext->GetNumSetting("GalleryImageCaption");
    MythMenu *captionMenu = new MythMenu(tr("Image Captions"), this,
                                         "ImageCaptionMenu");

    captionMenu->AddItem(tr("Name"),    nullptr, nullptr, show == kNameCaption);
    captionMenu->AddItem(tr("Date"),    nullptr, nullptr, show == kDateCaption);
    captionMenu->AddItem(tr("Comment"), nullptr, nullptr, show == kUserCaption);
    captionMenu->AddItem(tr("None"),    nullptr, nullptr, show == kNoCaption);

    menu->AddItem(tr("Image Captions"), nullptr, captionMenu);

    show = gCoreContext->GetNumSetting("GalleryDirCaption");
    captionMenu = new MythMenu(tr("Directory Captions"), this, "DirCaptionMenu");

    captionMenu->AddItem(tr("Name"), nullptr, nullptr, show == kNameCaption);
    captionMenu->AddItem(tr("Date"), nullptr, nullptr, show == kDateCaption);
    captionMenu->AddItem(tr("None"), nullptr, nullptr, show == kNoCaption);

    menu->AddItem(tr("Directory Captions"), nullptr, captionMenu);

    if (m_editsAllowed)
    {
        if (m_mgr.GetVisibility())
            menu->AddItem(tr("Hide Hidden Items"), SLOT(HideHidden()));
        else
            menu->AddItem(tr("Show Hidden Items"), SLOT(ShowHidden()));
    }

    if (m_zoomLevel > 0)
        menu->AddItem(tr("Zoom Out"), SLOT(ZoomOut()));
    if (m_zoomLevel < m_zoomWidgets.size() - 1)
        menu->AddItem(tr("Zoom In"), SLOT(ZoomIn()));

    QString details = m_infoList.GetState() == kNoInfo
            ? tr("Show Details") : tr("Hide Details");

    menu->AddItem(details, SLOT(ShowDetails()));

    mainMenu->AddItem(tr("Show"), nullptr, menu);
}


void GalleryThumbView::SelectImage(int id)
{
    // Only update selection if image is currently displayed
    if (m_view->Select(id, -1))
        BuildImageList();
}


void GalleryThumbView::ItemClicked(MythUIButtonListItem *item)
{
    if (!item)
        return;

    ImagePtrK im = item->GetData().value<ImagePtrK>();
    if (!im)
        return;

    switch (im->m_type)
    {
    case kDevice:
    case kCloneDir:
    case kDirectory:
        if (im == m_view->GetParent())
            DirSelectUp();
        else
            DirSelectDown();
        break;

    case kImageFile:
    case kVideoFile:
        StartSlideshow(kBrowseSlides); break;
    };
}


void GalleryThumbView::StartScan(bool start)
{
    QString err = m_mgr.ScanImagesAction(start);
    if (!err.isEmpty())
        ShowOkPopup(err);
}


void GalleryThumbView::StartSlideshow(ImageSlideShowType mode)
{
    ImagePtrK selected = m_view->GetSelected();
    if (!selected)
        return;

    MythScreenStack *mainStack = GetMythMainWindow()->GetMainStack();
    GallerySlideView *slide = new GallerySlideView(mainStack, "galleryslideview",
                                                   m_editsAllowed);
    if (slide->Create())
    {
        mainStack->AddScreen(slide);

        // Update selected item when slideshow exits
        connect(slide, SIGNAL(ImageSelected(int)),
                this, SLOT(SelectImage(int)));

        if (selected->IsDirectory())
            // Show selected dir
            slide->Start(mode, selected->m_id);
        else
            // Show current dir starting at selection
            slide->Start(mode, selected->m_parentId, selected->m_id);
    }
    else
        delete slide;
}


bool GalleryThumbView::DirSelectUp()
{
    ImagePtrK im = m_view->GetParent();
    if (im)
    {
        LOG(VB_GUI, LOG_DEBUG, LOC +
            QString("Going up from %1").arg(im->m_filePath));

        // Select the upfolder in the higher dir
        m_view->Select(im->m_id);

        // Create tree rooted at parent of the kUpFolder directory node
        LoadData(im->m_parentId);
    }
    return true;
}


void GalleryThumbView::DirSelectDown()
{
    ImagePtrK im = m_view->GetSelected();
    if (im)
    {
        LOG(VB_GUI, LOG_DEBUG, LOC +
            QString("Going down to %1").arg(im->m_filePath));

        // Create tree rooted at selected item
        LoadData(im->m_id);
    }
}


void GalleryThumbView::MarkItem(bool mark)
{
    ImagePtrK im = m_view->GetSelected();
    if (im)
    {
        // Mark/unmark selected item
        m_view->Mark(im->m_id, mark);

        // Redisplay buttonlist as a parent dir may have been unmarked
        BuildImageList();
    }
}


void GalleryThumbView::MarkAll(bool mark)
{
    if (mark)
        m_view->MarkAll();
    else
        m_view->ClearMarked();

    // Redisplay buttonlist
    BuildImageList();
}


void GalleryThumbView::MarkInvertAll()
{
    m_view->InvertMarked();

    // Redisplay buttonlist
    BuildImageList();
}


void GalleryThumbView::TransformItem(ImageFileTransform transform)
{
    ImagePtrK im = m_view->GetSelected();
    if (im && m_editsAllowed)
    {
        ImageIdList ids;
        ids.append(im->m_id);
        QString err = m_mgr.ChangeOrientation(transform, ids);
        if (!err.isEmpty())
            ShowOkPopup(err);
    }
}


void GalleryThumbView::TransformMarked(ImageFileTransform transform)
{
    QString err = m_mgr.ChangeOrientation(transform, m_menuState.m_markedId);
    if (!err.isEmpty())
        ShowOkPopup(err);
}


void GalleryThumbView::HideItem(bool hide)
{
    if (m_menuState.m_selected)
    {
        ImageIdList ids;
        ids.append(m_menuState.m_selected->m_id);

        QString err = m_mgr.HideFiles(hide, ids);
        if (!err.isEmpty())

            ShowOkPopup(err);

        else if (hide && !m_mgr.GetVisibility())

            // Unmark invisible file
            m_view->Mark(m_menuState.m_selected->m_id, false);
    }
}


void GalleryThumbView::HideMarked(bool hide)
{
    QString err = m_mgr.HideFiles(hide, m_menuState.m_markedId);
    if (!err.isEmpty())

        ShowOkPopup(err);

    else if (hide && !m_mgr.GetVisibility())

        // Unmark invisible files
        foreach (int id, m_menuState.m_markedId)
            m_view->Mark(id, false);
}


void GalleryThumbView::DeleteItem()
{
    if (m_menuState.m_selected)
        ShowDialog(tr("Do you want to delete\n%1 ?")
                   .arg(m_menuState.m_selected->m_baseName), "ConfirmDelete");
}


void GalleryThumbView::DeleteMarked()
{
    ShowDialog(tr("Do you want to delete all marked files ?"),
               "ConfirmDeleteMarked");
}


void GalleryThumbView::ShowSettings()
{
    // Show settings dialog
    GallerySettings *config = new GallerySettings(m_editsAllowed);
    MythScreenStack *mainStack = GetMythMainWindow()->GetMainStack();
    StandardSettingDialog *ssd = new StandardSettingDialog(mainStack,
                                                           "gallerysettings",
                                                           config);
    if (!ssd->Create())
    {
        delete ssd;
        return;
    }

    mainStack->AddScreen(ssd);

    // Effect setting changes when dialog saves on exit

    connect(config, &GallerySettings::ClearDbPressed,
            this,   &GalleryThumbView::ClearSgDb);

    connect(config, &GallerySettings::OrderChanged,
            this,   [this]()
    {
        // Update db view, reset cover cache & reload
        int sortIm  = gCoreContext->GetNumSetting("GalleryImageOrder");
        int sortDir = gCoreContext->GetNumSetting("GalleryDirOrder");
        m_mgr.SetSortOrder(sortIm, sortDir);
        m_view->ClearCache();
        LoadData(m_view->GetParentId());
    });

    connect(config, &GallerySettings::DateChanged,
            this,   [this]()
    {
        QString date = gCoreContext->GetSetting("GalleryDateFormat");
        m_mgr.SetDateFormat(date);
        BuildImageList();
    });

    connect(config, &GallerySettings::ExclusionsChanged,
            this,   [this]()
    {
        // Request rescan
        QString exclusions = gCoreContext->GetSetting("GalleryIgnoreFilter");
        m_view->ClearCache();
        m_mgr.IgnoreDirs(exclusions);
    });
}


void GalleryThumbView::ShowHidden(bool show)
{
    gCoreContext->SaveBoolSetting("GalleryShowHidden", show);

    // Update Db(s)
    m_mgr.SetVisibility(show);

    // Reset dir thumbnail cache
    m_view->ClearCache();;

    LoadData(m_view->GetParentId());
}


void GalleryThumbView::ShowDialog(const QString& msg, const QString& event)
{
    MythConfirmationDialog *popup =
            new MythConfirmationDialog(&m_popupStack, msg, true);

    if (popup->Create())
    {
        popup->SetReturnEvent(this, event);
        m_popupStack.AddScreen(popup);
    }
    else
        delete popup;
}


void GalleryThumbView::ShowRenameInput()
{
    if (m_menuState.m_selected)
    {
        QString base = QFileInfo(m_menuState.m_selected->m_baseName).completeBaseName();
        QString msg  = tr("Enter a new name:");
        MythTextInputDialog *popup =
                new MythTextInputDialog(&m_popupStack, msg, FilterNone, false, base);
        if (popup->Create())
        {
            popup->SetReturnEvent(this, "FileRename");
            m_popupStack.AddScreen(popup);
        }
        else
            delete popup;
    }
}


void GalleryThumbView::ShowDetails()
{
    m_infoList.Toggle(m_view->GetSelected());
}


void GalleryThumbView::ShowPassword()
{
    QString msg = tr("Enter password:");
    MythTextInputDialog *popup =
            new MythTextInputDialog(&m_popupStack, msg, FilterNone, true);
    if (popup->Create())
    {
        popup->SetReturnEvent(this, "Password");
        m_popupStack.AddScreen(popup);
    }
    else
        delete popup;
}


void GalleryThumbView::ShowType(int type)
{
    gCoreContext->SaveSetting("GalleryShowType", type);

    // Update Db(s)
    m_mgr.SetType(type);

    // Reset dir thumbnail cache
    m_view->ClearCache();

    LoadData(m_view->GetParentId());
}


void GalleryThumbView::SetCover(bool reset)
{
    if (m_menuState.m_selected)
    {
        QString err = reset ? m_mgr.SetCover(m_menuState.m_selected->m_id, 0)
                            : m_mgr.SetCover(m_menuState.m_selected->m_parentId,
                                             m_menuState.m_selected->m_id);
        if (!err.isEmpty())
            ShowOkPopup(err);
    }
}


void GalleryThumbView::ZoomOut()
{
    SelectZoomWidget(-1);
    BuildImageList();
}


void GalleryThumbView::ZoomIn()
{
    SelectZoomWidget(1);
    BuildImageList();
}


void GalleryThumbView::SelectZoomWidget(int change)
{
    m_zoomLevel += change;

    // constrain to zoom levels supported by theme
    if (m_zoomLevel < 0)
        m_zoomLevel = 0;
    if (m_zoomLevel >= m_zoomWidgets.size())
        m_zoomLevel = m_zoomWidgets.size() - 1;

    // Store any requested change, but not constraining adjustments
    // Thus, changing to a theme with fewer zoom levels will not overwrite the
    // setting
    if (change != 0)
        gCoreContext->SaveSetting("GalleryZoomLevel", m_zoomLevel);

    // dump the current list widget
    if (m_imageList)
    {
        m_imageList->SetVisible(false);
        disconnect(m_imageList, nullptr, this, nullptr);
    }

    // initialise new list widget
    m_imageList = m_zoomWidgets.at(m_zoomLevel);

    m_imageList->SetVisible(true);
    SetFocusWidget(m_imageList);

    // Monitor list actions (after focus events have been ignored)
    connect(m_imageList, SIGNAL(itemClicked(MythUIButtonListItem *)),
            SLOT(ItemClicked(MythUIButtonListItem *)));
    connect(m_imageList, SIGNAL(itemSelected(MythUIButtonListItem *)),
            SLOT(SetUiSelection(MythUIButtonListItem*)));
}


void GalleryThumbView::MakeDir()
{
    MythTextInputDialog *popup =
            new MythTextInputDialog(&m_popupStack, tr("Enter name of new directory"),
                                    FilterNone, false);
    if (popup->Create())
    {
        popup->SetReturnEvent(this, "MakeDir");
        m_popupStack.AddScreen(popup);
    }
    else
        delete popup;
}


void GalleryThumbView::Eject()
{
    ImagePtrK dir = m_menuState.m_selected;
    if (dir)
        m_mgr.CloseDevices(dir->m_device, true);
}


void GalleryThumbView::Copy(bool deleteAfter)
{
    // Destination must be a dir
    ImagePtrK destDir = m_menuState.m_selected;
    if (!destDir || destDir->IsFile())
        return;

    // Use current markings, if any. Otherwise use previous markings
    ImageIdList markedIds = m_menuState.m_markedId;
    if (markedIds.isEmpty())
    {
        markedIds = m_menuState.m_prevMarkedId;
        if (markedIds.isEmpty())
        {
            ShowOkPopup(tr("No files specified"));
            return;
        }
    }

    // Get all files/dirs in subtree(s). Only files are copied
    ImageList files, dirs;
    m_mgr.GetDescendants(markedIds, files, dirs);

    if (dirs.isEmpty() && files.isEmpty())
    {
        ShowOkPopup(tr("No images"));
        // Nothing to clean up
        return;
    }

    // Child dirs appear before their subdirs. If no dirs, images are all direct children
    ImagePtrK aChild = dirs.isEmpty() ? files[0] : dirs[0];

    // Determine parent path including trailing /
    int basePathSize = aChild->m_filePath.size() - aChild->m_baseName.size();

    // Update filepaths for Db & generate URLs for filesystem copy
    // Only copy files, destination dirs will be created automatically
    TransferThread::TransferMap transfers;
    foreach(ImagePtr im, files)
    {
        // Replace base path with destination path
        im->m_filePath = ImageManagerFe::ConstructPath(destDir->m_filePath,
                                             im->m_filePath.mid(basePathSize));

        transfers.insert(im, m_mgr.BuildTransferUrl(im->m_filePath,
                                                    destDir->IsLocal()));
    }

    // Create progress dialog
    MythScreenStack      *popupStack = GetMythMainWindow()->GetStack("popup stack");
    MythUIProgressDialog *progress   =
            new MythUIProgressDialog(tr("Copying files"), popupStack, "copydialog");
    if (progress->Create())
        popupStack->AddScreen(progress, false);
    else
    {
        delete progress;
        progress = nullptr;
    }

    // Copy files in a servant thread
    TransferThread copy(transfers, false, progress);
    WaitUntilDone(copy);
    TransferThread::ImageSet failed = copy.GetResult();

    if (progress)
        progress->Close();

    if (!failed.isEmpty())
        ShowOkPopup(tr("Failed to copy %L1/%Ln file(s)", nullptr, transfers.size())
                    .arg(failed.size()));

    // Don't update Db for files that failed
    foreach (ImagePtrK im, failed)
        transfers.remove(im);

    ImageListK newImages = transfers.keys();

    // Include dirs
    QStringList dirPaths;
    foreach(ImagePtr im, dirs)
    {
        QString relPath = im->m_filePath.mid(basePathSize);

        dirPaths << relPath;

        // Replace base path with destination path
        im->m_filePath = ImageManagerFe::ConstructPath(destDir->m_filePath, relPath);

        // Append dirs so that hidden state & cover is preserved for new dirs
        // Pre-existing dirs will take precedance over these.
        newImages.append(im);
    }

    // Copy empty dirs as well (will fail for non-empty dirs)
    if (!dirPaths.isEmpty())
        m_mgr.MakeDir(destDir->m_id, dirPaths, false);

    if (!newImages.isEmpty())
    {
        // Update Db
        m_mgr.CreateImages(destDir->m_id, newImages);

        if (deleteAfter)
        {
            // Delete files/dirs that have been successfully copied
            // Will fail for dirs containing images that failed to copy
            ImageIdList ids;
            foreach (ImagePtrK im, newImages)
                ids << im->m_id;

            m_mgr.DeleteFiles(ids);
        }
    }
}


void GalleryThumbView::Move()
{
    // Destination must be a dir
    ImagePtrK destDir = m_menuState.m_selected;
    if (!destDir || destDir->IsFile())
        return;

    // Use current markings, if any. Otherwise use previous markings
    ImageIdList markedIds = m_menuState.m_markedId;
    if (markedIds.isEmpty())
    {
        markedIds = m_menuState.m_prevMarkedId;
        if (markedIds.isEmpty())
        {
            ShowOkPopup(tr("No files specified"));
            return;
        }
    }

    // Note UI mandates that transferees are either all local or all remote
    if (destDir->IsLocal() != ImageItem::IsLocalId(markedIds[0]))
    {
        // Moves between hosts require copy/delete
        Copy(true);
        return;
    }

    // Get marked images. Each file and dir will be renamed
    ImageList files, dirs;
    if (m_mgr.GetImages(markedIds, files, dirs) <= 0)
    {
        ShowOkPopup(tr("No images specified"));
        // Nothing to clean up
        return;
    }
    ImageList images = dirs + files;

    // Determine parent from first dir or pic
    ImagePtr aChild = images[0];

    // Determine parent path including trailing /
    // Note UI mandates that transferees all have same parent.
    int basePathSize = aChild->m_filePath.size() - aChild->m_baseName.size();
    QString parentPath = aChild->m_filePath.left(basePathSize);

    // Determine destination URLs
    TransferThread::TransferMap transfers;
    foreach(ImagePtrK im, images)
    {
        // Replace base path with destination path
        QString newPath = ImageManagerFe::ConstructPath(destDir->m_filePath,
                                              im->m_filePath.mid(basePathSize));

        transfers.insert(im, m_mgr.BuildTransferUrl(newPath, aChild->IsLocal()));
    }

    // Create progress dialog
    MythScreenStack      *popupStack = GetMythMainWindow()->GetStack("popup stack");
    MythUIProgressDialog *progress   =
            new MythUIProgressDialog(tr("Moving files"), popupStack, "movedialog");

    if (progress->Create())
        popupStack->AddScreen(progress, false);
    else
    {
        delete progress;
        progress = nullptr;
    }

    // Move files in a servant thread
    TransferThread move(transfers, true, progress);
    WaitUntilDone(move);
    TransferThread::ImageSet failed = move.GetResult();

    if (progress)
        progress->Close();

    if (!failed.isEmpty())
        ShowOkPopup(tr("Failed to move %L1/%Ln file(s)", nullptr, transfers.size())
                    .arg(failed.size()));

    // Don't update Db for files that failed
    foreach (ImagePtrK im, failed)
        transfers.remove(im);

    if (!transfers.isEmpty())
    {
        ImageListK moved = transfers.keys();

        // Unmark moved files
        foreach (ImagePtrK im, moved)
            m_view->Mark(im->m_id, false);

        // Update Db
        m_mgr.MoveDbImages(destDir, moved, parentPath);
    }
}


void GalleryThumbView::Import()
{
    QString path = m_mgr.CreateImport();
    if (path.isEmpty())
    {
        ShowOkPopup(tr("Failed to create temporary directory."));
        return;
    }

    // Replace placeholder in command
    QString cmd = gCoreContext->GetSetting("GalleryImportCmd");
    cmd.replace("%TMPDIR%", path);

    // Run command in a separate thread
    MythUIBusyDialog *busy =
            ShowBusyPopup(tr("Running Import command.\nPlease wait..."));

    ShellThread thread(cmd, path);
    WaitUntilDone(thread);

    if (busy)
        busy->Close();

    int error = thread.GetResult();
    if (error != 0)
        ShowOkPopup(tr("Import command failed.\nError: %1").arg(error));

    // Rescan local devices
    QString err = m_mgr.ScanImagesAction(true, true);
    if (!err.isEmpty())
        LOG(VB_GENERAL, LOG_ERR, LOC + err);
}