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/**
* @file llinventoryitemslist.cpp
* @brief A list of inventory items represented by LLFlatListView.
*
* Class LLInventoryItemsList implements a flat list of inventory items.
*
* $LicenseInfo:firstyear=2010&license=viewergpl$
*
* Copyright (c) 2010, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llinventoryitemslist.h"
// llcommon
#include "llcommonutils.h"
#include "lltrans.h"
#include "llcallbacklist.h"
#include "llinventorylistitem.h"
#include "llinventorymodel.h"
#include "llviewerinventory.h"
LLInventoryItemsList::Params::Params()
{}
LLInventoryItemsList::LLInventoryItemsList(const LLInventoryItemsList::Params& p)
: LLFlatListViewEx(p)
, mNeedsRefresh(false)
, mForceRefresh(false)
{
// TODO: mCommitOnSelectionChange is set to "false" in LLFlatListView
// but reset to true in all derived classes. This settings might need to
// be added to LLFlatListView::Params() and/or set to "true" by default.
setCommitOnSelectionChange(true);
setNoFilteredItemsMsg(LLTrans::getString("InventoryNoMatchingItems"));
gIdleCallbacks.addFunction(idle, this);
}
// virtual
LLInventoryItemsList::~LLInventoryItemsList()
{
gIdleCallbacks.deleteFunction(idle, this);
}
void LLInventoryItemsList::refreshList(const LLInventoryModel::item_array_t item_array)
{
getIDs().clear();
LLInventoryModel::item_array_t::const_iterator it = item_array.begin();
for( ; item_array.end() != it; ++it)
{
getIDs().push_back((*it)->getUUID());
}
mNeedsRefresh = true;
}
boost::signals2::connection LLInventoryItemsList::setRefreshCompleteCallback(const commit_signal_t::slot_type& cb)
{
return mRefreshCompleteSignal.connect(cb);
}
void LLInventoryItemsList::doIdle()
{
if (!mNeedsRefresh) return;
if (isInVisibleChain() || mForceRefresh)
{
refresh();
mRefreshCompleteSignal(this, LLSD());
}
}
//static
void LLInventoryItemsList::idle(void* user_data)
{
LLInventoryItemsList* self = static_cast<LLInventoryItemsList*>(user_data);
if ( self )
{ // Do the real idle
self->doIdle();
}
}
void LLInventoryItemsList::refresh()
{
static const unsigned ADD_LIMIT = 50;
uuid_vec_t added_items;
uuid_vec_t removed_items;
computeDifference(getIDs(), added_items, removed_items);
bool add_limit_exceeded = false;
unsigned int nadded = 0;
uuid_vec_t::const_iterator it = added_items.begin();
for( ; added_items.end() != it; ++it)
{
if(nadded >= ADD_LIMIT)
{
add_limit_exceeded = true;
break;
}
LLViewerInventoryItem* item = gInventory.getItem(*it);
// Do not rearrange items on each adding, let's do that on filter call
llassert(item);
if (item)
{
addNewItem(item, false);
++nadded;
}
}
it = removed_items.begin();
for( ; removed_items.end() != it; ++it)
{
removeItemByUUID(*it);
}
// Filter, rearrange and notify parent about shape changes
filterItems();
bool needs_refresh = add_limit_exceeded;
setNeedsRefresh(needs_refresh);
setForceRefresh(needs_refresh);
}
void LLInventoryItemsList::computeDifference(
const uuid_vec_t& vnew,
uuid_vec_t& vadded,
uuid_vec_t& vremoved)
{
uuid_vec_t vcur;
{
std::vector<LLSD> vcur_values;
getValues(vcur_values);
for (size_t i=0; i<vcur_values.size(); i++)
vcur.push_back(vcur_values[i].asUUID());
}
LLCommonUtils::computeDifference(vnew, vcur, vadded, vremoved);
}
void LLInventoryItemsList::addNewItem(LLViewerInventoryItem* item, bool rearrange /*= true*/)
{
if (!item)
{
llwarns << "No inventory item. Couldn't create flat list item." << llendl;
llassert(item != NULL);
}
LLPanelInventoryListItemBase *list_item = LLPanelInventoryListItemBase::create(item);
if (!list_item)
return;
bool is_item_added = addItem(list_item, item->getUUID(), ADD_BOTTOM, rearrange);
if (!is_item_added)
{
llwarns << "Couldn't add flat list item." << llendl;
llassert(is_item_added);
}
}
// EOF
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