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/***************************************************************************
* Copyright (C) 2009-2010 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef INFORMATIONPANELCONTENT_H
#define INFORMATIONPANELCONTENT_H
#include "config-baloo.h"
#include <KFileItem>
#include <KUrl>
#include <QPointer>
#include <QWidget>
class KFileItemList;
class PhononWidget;
class PixmapViewer;
class PlacesItemModel;
class QPixmap;
class QString;
class QLabel;
class QScrollArea;
namespace KIO {
class PreviewJob;
}
#ifndef HAVE_BALOO
class KFileMetaDataWidget;
#else
namespace Baloo {
class FileMetaDataWidget;
}
#endif
/**
* @brief Manages the widgets that display the meta information
* for file items of the Information Panel.
*/
class InformationPanelContent : public QWidget
{
Q_OBJECT
public:
explicit InformationPanelContent(QWidget* parent = 0);
virtual ~InformationPanelContent();
/**
* Shows the meta information for the item \p item.
* The preview of the item is generated asynchronously,
* the other meta information are fetched synchronously.
*/
void showItem(const KFileItem& item);
/**
* Shows the meta information for the items \p items.
*/
void showItems(const KFileItemList& items);
/**
* Opens a menu which allows to configure which meta information
* should be shown.
*
* TODO: Move this code to the class InformationPanel
*/
void configureSettings(const QList<QAction*>& customContextMenuActions);
signals:
void urlActivated( const KUrl& url );
protected:
/** @see QObject::eventFilter() */
virtual bool eventFilter(QObject* obj, QEvent* event);
private slots:
/**
* Is invoked if no preview is available for the item. In this
* case the icon will be shown.
*/
void showIcon(const KFileItem& item);
/**
* Is invoked if a preview is available for the item. The preview
* \a pixmap is shown inside the info page.
*/
void showPreview(const KFileItem& item, const QPixmap& pixmap);
/**
* Marks the currently shown preview as outdated
* by greying the content.
*/
void markOutdatedPreview();
void slotHasVideoChanged(bool hasVideo);
/**
* Is invoked after the file meta data configuration dialog has been
* closed and refreshes the visibility of the meta data.
*/
void refreshMetaData();
private:
/**
* Checks whether the an URL is repesented by a place. If yes,
* then the place icon and name are shown instead of a preview.
* @return True, if the URL represents exactly a place.
* @param url The url to check.
*/
bool applyPlace(const KUrl& url);
/**
* Sets the text for the label \a m_nameLabel and assures that the
* text is split in a way that it can be wrapped within the
* label width (QLabel::setWordWrap() does not work if the
* text represents one extremely long word).
*/
void setNameLabelText(const QString& text);
/**
* Adjusts the sizes of the widgets dependent on the available
* width given by \p width.
*/
void adjustWidgetSizes(int width);
private:
KFileItem m_item;
QPointer<KIO::PreviewJob> m_previewJob;
QTimer* m_outdatedPreviewTimer;
PixmapViewer* m_preview;
PhononWidget* m_phononWidget;
QLabel* m_nameLabel;
#ifndef HAVE_BALOO
KFileMetaDataWidget* m_metaDataWidget;
#else
Baloo::FileMetaDataWidget* m_metaDataWidget;
#endif
QScrollArea* m_metaDataArea;
PlacesItemModel* m_placesItemModel;
};
#endif // INFORMATIONPANELCONTENT_H
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