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Diffstat (limited to 'indra/newview/llinventoryitemslist.cpp')
| -rw-r--r-- | indra/newview/llinventoryitemslist.cpp | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/indra/newview/llinventoryitemslist.cpp b/indra/newview/llinventoryitemslist.cpp new file mode 100644 index 0000000000..a6d3d4e154 --- /dev/null +++ b/indra/newview/llinventoryitemslist.cpp @@ -0,0 +1,232 @@ +/** + * @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); +} + +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 (!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(); + } +} + +LLFastTimer::DeclareTimer FTM_INVENTORY_ITEMS_REFRESH("Inventory List Refresh"); + +void LLInventoryItemsList::refresh() +{ + LLFastTimer _(FTM_INVENTORY_ITEMS_REFRESH); + static const unsigned ADD_LIMIT = 20; + + 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) + { + // don't filter items right away + removeItemByUUID(*it, false); + } + + // Filter, rearrange and notify parent about shape changes + filterItems(); + + bool needs_refresh = add_limit_exceeded; + setNeedsRefresh(needs_refresh); + setForceRefresh(needs_refresh); + + // After list building completed, select items that had been requested to select before list was build + if(!needs_refresh) + { + updateSelection(); + } +} + +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 |