RetroShare/retroshare-gui/src/gui/feeds/FeedItem.cpp

/*******************************************************************************
 * gui/feeds/FeedItem.cpp                                                      *
 *                                                                             *
 * 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/>.       *
 *                                                                             *
 *******************************************************************************/

#include <iostream>
#include "FeedItem.h"

/** Constructor */
FeedItem::FeedItem(QWidget *parent) : QWidget(parent), mHash(0)
{
	mWasExpanded = false;
}

FeedItem::~FeedItem()
{
	emit feedItemDestroyed(this);
}

void FeedItem::expand(bool open)
{
	if (open) {
		expandFill(!mWasExpanded);
	}

	doExpand(open);

	if (open) {
		mWasExpanded = true;
	}
}

uint64_t FeedItem::hash_64bits(const std::string& s) const
{
    if(mHash == 0)
	{
		mHash = 0x01110bbfa09;

		for(uint32_t i=0;i<s.size();++i)
			mHash = ~(((mHash << 31) ^ (mHash >> 3)) + s[i]*0x217898fbba7 + 0x0294379);
	}

	return mHash;
}