73 lines
2.6 KiB
C++

/*******************************************************************************
* gui/feeds/FeedItem.h *
* *
* Copyright (c) 2014, Retroshare Team <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#ifndef _FEED_ITEM_H
#define _FEED_ITEM_H
#include <QWidget>
class FeedHolder;
class FeedItem : public QWidget
{
Q_OBJECT
public:
/** Default Constructor */
FeedItem(FeedHolder *fh,uint32_t feedId,QWidget *parent = 0);
/** Default Destructor */
virtual ~FeedItem();
bool wasExpanded() { return mWasExpanded; }
void expand(bool open);
/*!
* \brief uniqueIdentifier
* \return returns a string that is unique to this specific item. The string will be used to search for an existing item that
* would contain the same information. It should therefore sumarise the data represented by the item.
*/
virtual uint64_t uniqueIdentifier() const =0;
static uint64_t hash64(const std::string& s);
protected slots:
void removeItem();
protected:
virtual void doExpand(bool open) = 0;
virtual void expandFill(bool /*first*/) {}
virtual void toggle() {}
uint64_t hash_64bits(const std::string& s) const;
FeedHolder *mFeedHolder;
uint32_t mFeedId;
signals:
void sizeChanged(FeedItem *feedItem);
void feedItemNeedsClosing(qulonglong);
private:
bool mWasExpanded;
mutable uint64_t mHash;
};
#endif