tdesktop/Telegram/SourceFiles/dialogs/dialogs_indexed_list.cpp

178 lines
4.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It 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 General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "dialogs/dialogs_indexed_list.h"
namespace Dialogs {
IndexedList::IndexedList(SortMode sortMode)
: _sortMode(sortMode)
, _list(sortMode) {
}
RowsByLetter IndexedList::addToEnd(History *history) {
RowsByLetter result;
if (!_list.contains(history->peer->id)) {
result.insert(0, _list.addToEnd(history));
for_const (auto ch, history->peer->chars) {
auto j = _index.find(ch);
if (j == _index.cend()) {
j = _index.insert(ch, new List(_sortMode));
}
result.insert(ch, j.value()->addToEnd(history));
}
}
return result;
}
Row *IndexedList::addByName(History *history) {
if (auto row = _list.getRow(history->peer->id)) {
return row;
}
Row *result = _list.addByName(history);
for_const (auto ch, history->peer->chars) {
auto j = _index.find(ch);
if (j == _index.cend()) {
j = _index.insert(ch, new List(_sortMode));
}
j.value()->addByName(history);
}
return result;
}
void IndexedList::adjustByPos(const RowsByLetter &links) {
for (auto i = links.cbegin(), e = links.cend(); i != e; ++i) {
if (i.key() == QChar(0)) {
_list.adjustByPos(i.value());
} else {
if (auto list = _index.value(i.key())) {
list->adjustByPos(i.value());
}
}
}
}
void IndexedList::peerNameChanged(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars) {
t_assert(_sortMode != SortMode::Date);
if (_sortMode == SortMode::Name) {
adjustByName(peer, oldNames, oldChars);
} else {
adjustNames(Dialogs::Mode::All, peer, oldNames, oldChars);
}
}
void IndexedList::peerNameChanged(Mode list, PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars) {
t_assert(_sortMode == SortMode::Date);
adjustNames(list, peer, oldNames, oldChars);
}
void IndexedList::adjustByName(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars) {
Row *mainRow = _list.adjustByName(peer);
if (!mainRow) return;
History *history = mainRow->history();
PeerData::NameFirstChars toRemove = oldChars, toAdd;
for_const (auto ch, peer->chars) {
auto j = toRemove.find(ch);
if (j == toRemove.cend()) {
toAdd.insert(ch);
} else {
toRemove.erase(j);
if (auto list = _index.value(ch)) {
list->adjustByName(peer);
}
}
}
for_const (auto ch, toRemove) {
if (auto list = _index.value(ch)) {
list->del(peer->id, mainRow);
}
}
if (!toAdd.isEmpty()) {
for_const (auto ch, toAdd) {
auto j = _index.find(ch);
if (j == _index.cend()) {
j = _index.insert(ch, new List(_sortMode));
}
j.value()->addByName(history);
}
}
}
void IndexedList::adjustNames(Mode list, PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars) {
auto mainRow = _list.getRow(peer->id);
if (!mainRow) return;
History *history = mainRow->history();
PeerData::NameFirstChars toRemove = oldChars, toAdd;
for_const (auto ch, peer->chars) {
auto j = toRemove.find(ch);
if (j == toRemove.cend()) {
toAdd.insert(ch);
} else {
toRemove.erase(j);
}
}
for_const (auto ch, toRemove) {
if (_sortMode == SortMode::Date) {
history->removeChatListEntryByLetter(list, ch);
}
if (auto list = _index.value(ch)) {
list->del(peer->id, mainRow);
}
}
for_const (auto ch, toAdd) {
auto j = _index.find(ch);
if (j == _index.cend()) {
j = _index.insert(ch, new List(_sortMode));
}
Row *row = j.value()->addToEnd(history);
if (_sortMode == SortMode::Date) {
history->addChatListEntryByLetter(list, ch, row);
}
}
}
void IndexedList::del(const PeerData *peer, Row *replacedBy) {
if (_list.del(peer->id, replacedBy)) {
for_const (auto ch, peer->chars) {
if (auto list = _index.value(ch)) {
list->del(peer->id, replacedBy);
}
}
}
}
void IndexedList::clear() {
for_const (auto &list, _index) {
delete list;
}
}
IndexedList::~IndexedList() {
clear();
}
} // namespace Dialogs