/** \fn GalleryViewHelper::GalleryViewHelper(MythScreenType *)
* \brief Constructor
* \param parent The screen parent
*/
GalleryViewHelper::GalleryViewHelper(MythScreenType *parent)
{
m_parent = parent;
m_sgName = gCoreContext->GetSetting("GalleryStorageGroupName");
m_sgDirList = StorageGroup::getGroupDirs(m_sgName, "");
m_dbHelper = new GalleryDatabaseHelper();
m_thumbGenThread = new GalleryThumbGenThread();
m_fileHelper = new GalleryFileHelper();
connect(m_thumbGenThread, SIGNAL(ThumbnailCreated(ImageMetadata *, int)),
m_parent, SLOT(UpdateThumbnail(ImageMetadata *, int)));
connect(m_thumbGenThread, SIGNAL(UpdateThumbnailProgress(int, int)),
m_parent, SLOT(UpdateThumbnailProgress(int, int)));
connect(m_thumbGenThread, SIGNAL(finished()),
m_parent, SLOT(ResetThumbnailProgress()));
// these are the node trees that hold the data and
// are used for navigating and finding files
m_currentNode = new MythGenericTree("", kBaseDirectory, false);
m_allNodesVisible = false;
}
/** \fn GalleryView::DirSelectUp()
* \brief Goes up one directory level
* \return void
*/
bool GalleryView::DirSelectUp()
{
// Set the first node (upfolder) active
m_galleryViewHelper->m_currentNode->setSelectedChild(m_galleryViewHelper->m_currentNode->getChildAt(0));
// Get the data and with it the kUpFolder directory node
int id = m_galleryViewHelper->GetImageMetadataFromSelectedNode()->m_id;
m_galleryViewHelper->LoadTreeData();
ResetThumbnailProgress();
UpdateImageList();
// Go through the entire list of image items and find
// the directory id that matches the saved directory id
for (int i = 0; i < m_imageList->GetCount(); i++)
{
MythUIButtonListItem *item = m_imageList->GetItemAt(i);
if (!item)
continue;
ImageMetadata *data = GetImageMetadataFromButton(item);
if (!data)
continue;
if (data->m_id == id)
{
m_imageList->SetItemCurrent(item);
break;
}
}
return true;
}
/** \fn GalleryView::DirSelectDown()
* \brief Goes one directory level down
* \return void
*/
void GalleryView::DirSelectDown()
{
m_galleryViewHelper->LoadTreeData();
m_galleryViewHelper->m_currentNode->setSelectedChild(m_galleryViewHelper->m_currentNode->getChildAt(0));
ResetThumbnailProgress();
UpdateImageList();
}
/** \fn GalleryView::ShowFile()
* \brief Creates the window that will show the images and slideshows
* \return The created window or NULL
*/
GalleryWidget* GalleryView::ShowFile()
{
GalleryWidget *widget = new GalleryWidget(m_mainStack, "gallerywidget", m_galleryViewHelper);
if (widget->Create())
{
ResetThumbnailProgress();
m_mainStack->AddScreen(widget);
widget->LoadFile();
}
else
{
delete widget;
widget = NULL;
}
return widget;
}
