/** * @file llinventoryitemslist.cpp * @brief A list of inventory items represented by LLFlatListView. * * Class LLInventoryItemsList implements a flat list of inventory items. * * $LicenseInfo:firstyear=2010&license=viewerlgpl$ * 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 "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) , mRefreshState(REFRESH_COMPLETE) , 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()); } mRefreshState = REFRESH_ALL; } boost::signals2::connection LLInventoryItemsList::setRefreshCompleteCallback(const commit_signal_t::slot_type& cb) { return mRefreshCompleteSignal.connect(cb); } bool LLInventoryItemsList::selectItemByValue(const LLSD& value, bool select) { if (!LLFlatListView::selectItemByValue(value, select) && !value.isUndefined()) { mSelectTheseIDs.push_back(value); return false; } return true; } void LLInventoryItemsList::updateSelection() { if(mSelectTheseIDs.empty()) return; std::vector<LLSD> cur; getValues(cur); for(std::vector<LLSD>::const_iterator cur_id_it = cur.begin(); cur_id_it != cur.end() && !mSelectTheseIDs.empty(); ++cur_id_it) { uuid_vec_t::iterator select_ids_it = std::find(mSelectTheseIDs.begin(), mSelectTheseIDs.end(), *cur_id_it); if(select_ids_it != mSelectTheseIDs.end()) { selectItemByUUID(*select_ids_it); mSelectTheseIDs.erase(select_ids_it); } } scrollToShowFirstSelectedItem(); mSelectTheseIDs.clear(); } void LLInventoryItemsList::doIdle() { if (mRefreshState == REFRESH_COMPLETE) 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() { LL_PROFILE_ZONE_SCOPED; switch (mRefreshState) { case REFRESH_ALL: { mAddedItems.clear(); mRemovedItems.clear(); computeDifference(getIDs(), mAddedItems, mRemovedItems); if (mRemovedItems.size() > 0) { mRefreshState = REFRESH_LIST_ERASE; } else if (mAddedItems.size() > 0) { mRefreshState = REFRESH_LIST_APPEND; } else { mRefreshState = REFRESH_LIST_SORT; } rearrangeItems(); notifyParentItemsRectChanged(); break; } case REFRESH_LIST_ERASE: { uuid_vec_t::const_iterator it = mRemovedItems.begin(); for (; mRemovedItems.end() != it; ++it) { // don't filter items right away removeItemByUUID(*it, false); } mRemovedItems.clear(); mRefreshState = REFRESH_LIST_SORT; // fix visibility and arrange break; } case REFRESH_LIST_APPEND: { static const unsigned ADD_LIMIT = 25; // Note: affects perfomance unsigned int nadded = 0; // form a list to add uuid_vec_t::iterator it = mAddedItems.begin(); pairs_list_t panel_list; while(mAddedItems.size() > 0 && nadded < ADD_LIMIT) { LLViewerInventoryItem* item = gInventory.getItem(*it); llassert(item); if (item) { LLPanel *list_item = createNewItem(item); if (list_item) { item_pair_t* new_pair = new item_pair_t(list_item, item->getUUID()); panel_list.push_back(new_pair); ++nadded; } } it = mAddedItems.erase(it); } // add the list // Note: usually item pairs are sorted with std::sort, but we are calling // this function on idle and pairs' list can take a lot of time to sort // through, so we are sorting items into list while adding them addItemPairs(panel_list, false); // update visibility of items in the list std::string cur_filter = getFilterSubString(); LLStringUtil::toUpper(cur_filter); LLSD action; action.with("match_filter", cur_filter); pairs_const_iterator_t pair_it = panel_list.begin(); for (; pair_it != panel_list.end(); ++pair_it) { item_pair_t* item_pair = *pair_it; if (item_pair->first->getParent() != NULL) { updateItemVisibility(item_pair->first, action); } } rearrangeItems(); notifyParentItemsRectChanged(); if (mAddedItems.size() > 0) { mRefreshState = REFRESH_LIST_APPEND; } else { // Note: while we do sort and check visibility at REFRESH_LIST_APPEND, update // could have changed something about existing items so redo checks for all items. mRefreshState = REFRESH_LIST_SORT; } break; } case REFRESH_LIST_SORT: { // Filter, sort, rearrange and notify parent about shape changes filterItems(); if (mAddedItems.size() == 0) { // After list building completed, select items that had been requested to select before list was build updateSelection(); mRefreshState = REFRESH_COMPLETE; } else { mRefreshState = REFRESH_LIST_APPEND; } break; } default: break; } setForceRefresh(mRefreshState != REFRESH_COMPLETE); } 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); } LLPanel* LLInventoryItemsList::createNewItem(LLViewerInventoryItem* item) { if (!item) { LL_WARNS() << "No inventory item. Couldn't create flat list item." << LL_ENDL; llassert(item != NULL); return NULL; } return LLPanelInventoryListItemBase::create(item); } // EOF