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/*
* @file llfolderviewmodelinventory.cpp
* @brief Implementation of the inventory-specific view model
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llfolderviewmodelinventory.h"
#include "llinventorymodelbackgroundfetch.h"
#include "llinventorypanel.h"
//
// class LLFolderViewModelInventory
//
static LLFastTimer::DeclareTimer FTM_INVENTORY_SORT("Sort");
void LLFolderViewModelInventory::sort( LLFolderViewFolder* folder )
{
LLFastTimer _(FTM_INVENTORY_SORT);
if (!needsSort(folder->getViewModelItem())) return;
LLFolderViewModelItemInventory* modelp = static_cast<LLFolderViewModelItemInventory*>(folder->getViewModelItem());
if (modelp->getUUID().isNull()) return;
for (std::list<LLFolderViewFolder*>::iterator it = folder->getFoldersBegin(), end_it = folder->getFoldersEnd();
it != end_it;
++it)
{
LLFolderViewFolder* child_folderp = *it;
sort(child_folderp);
if (child_folderp->getFoldersCount() > 0)
{
time_t most_recent_folder_time =
static_cast<LLFolderViewModelItemInventory*>((*child_folderp->getFoldersBegin())->getViewModelItem())->getCreationDate();
LLFolderViewModelItemInventory* modelp = static_cast<LLFolderViewModelItemInventory*>(child_folderp->getViewModelItem());
if (most_recent_folder_time > modelp->getCreationDate())
{
modelp->setCreationDate(most_recent_folder_time);
}
}
if (child_folderp->getItemsCount() > 0)
{
time_t most_recent_item_time =
static_cast<LLFolderViewModelItemInventory*>((*child_folderp->getItemsBegin())->getViewModelItem())->getCreationDate();
LLFolderViewModelItemInventory* modelp = static_cast<LLFolderViewModelItemInventory*>(child_folderp->getViewModelItem());
if (most_recent_item_time > modelp->getCreationDate())
{
modelp->setCreationDate(most_recent_item_time);
}
}
}
base_t::sort(folder);
}
bool LLFolderViewModelInventory::contentsReady()
{
return !LLInventoryModelBackgroundFetch::instance().folderFetchActive();
}
void LLFolderViewModelItemInventory::requestSort()
{
LLFolderViewModelItemCommon::requestSort();
if (mRootViewModel->getSorter().isByDate())
{
// sort by date potentially affects parent folders which use a date
// derived from newest item in them
if (mParent)
{
mParent->requestSort();
}
}
}
bool LLFolderViewModelItemInventory::potentiallyVisible()
{
return passedFilter() // we've passed the filter
|| getLastFilterGeneration() < mRootViewModel->getFilter()->getFirstSuccessGeneration() // or we don't know yet
|| descendantsPassedFilter();
}
bool LLFolderViewModelItemInventory::passedFilter(S32 filter_generation)
{
if (filter_generation < 0 && mRootViewModel)
filter_generation = mRootViewModel->getFilter()->getFirstSuccessGeneration();
return mPassedFolderFilter
&& mLastFilterGeneration >= filter_generation
&& (mPassedFilter || descendantsPassedFilter(filter_generation));
}
bool LLFolderViewModelItemInventory::descendantsPassedFilter(S32 filter_generation)
{
if (filter_generation < 0) filter_generation = mRootViewModel->getFilter()->getFirstSuccessGeneration();
return mMostFilteredDescendantGeneration >= filter_generation;
}
void LLFolderViewModelItemInventory::setPassedFilter(bool passed, bool passed_folder, S32 filter_generation)
{
mPassedFilter = passed;
mPassedFolderFilter = passed_folder;
mLastFilterGeneration = filter_generation;
}
bool LLFolderViewModelItemInventory::filterChildItem( LLFolderViewModelItem* item, LLFolderViewFilter& filter )
{
bool passed_filter_before = item->passedFilter();
S32 filter_generation = filter.getCurrentGeneration();
S32 must_pass_generation = filter.getFirstRequiredGeneration();
if (item->getLastFilterGeneration() < filter_generation)
{
if (item->getLastFilterGeneration() >= must_pass_generation
&& !item->passedFilter(must_pass_generation))
{
// failed to pass an earlier filter that was a subset of the current one
// go ahead and flag this item as done
item->filter(filter);
if (item->passedFilter())
{
llerrs << "Invalid shortcut in inventory filtering!" << llendl;
}
item->setPassedFilter(false, false, filter_generation);
}
else
{
item->filter( filter );
}
}
// track latest generation to pass any child items, for each folder up to root
if (item->passedFilter())
{
LLFolderViewModelItemInventory* view_model = this;
while(view_model && view_model->mMostFilteredDescendantGeneration < filter_generation)
{
view_model->mMostFilteredDescendantGeneration = filter_generation;
view_model = static_cast<LLFolderViewModelItemInventory*>(view_model->mParent);
}
return !passed_filter_before;
}
else // !item->passedfilter()
{
return passed_filter_before;
}
}
bool LLFolderViewModelItemInventory::filter( LLFolderViewFilter& filter)
{
bool changed = false;
if(!mChildren.empty()
&& (getLastFilterGeneration() < filter.getFirstRequiredGeneration() // haven't checked descendants against minimum required generation to pass
|| descendantsPassedFilter(filter.getFirstRequiredGeneration()))) // or at least one descendant has passed the minimum requirement
{
// now query children
for (child_list_t::iterator iter = mChildren.begin();
iter != mChildren.end() && filter.getFilterCount() > 0;
++iter)
{
changed |= filterChildItem((*iter), filter);
}
}
if (changed)
{
//TODO RN: ensure this still happens, but without dependency on folderview
LLFolderViewFolder* folder = static_cast<LLFolderViewFolder*>(mFolderViewItem);
folder->requestArrange();
}
// if we didn't use all filter iterations
// that means we filtered all of our descendants
// so filter ourselves now
if (filter.getFilterCount() > 0)
{
filter.decrementFilterCount();
const BOOL passed_filter = filter.check(this);
const BOOL passed_filter_folder = (getInventoryType() == LLInventoryType::IT_CATEGORY)
? filter.checkFolder(this)
: true;
setPassedFilter(passed_filter, passed_filter_folder, filter.getCurrentGeneration());
//TODO RN: create interface for string highlighting
//mStringMatchOffset = filter.getStringMatchOffset(this);
}
return changed;
}
LLFolderViewModelInventory* LLInventoryPanel::getFolderViewModel()
{
return &mInventoryViewModel;
}
const LLFolderViewModelInventory* LLInventoryPanel::getFolderViewModel() const
{
return &mInventoryViewModel;
}
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