tdesktop/Telegram/SourceFiles/dialogs/dialogs_entry.cpp

279 lines
6.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "dialogs/dialogs_entry.h"
#include "dialogs/dialogs_key.h"
#include "dialogs/dialogs_indexed_list.h"
#include "data/data_changes.h"
#include "data/data_session.h"
#include "data/data_folder.h"
#include "data/data_chat_filters.h"
#include "mainwidget.h"
#include "main/main_session.h"
#include "main/main_session_settings.h"
#include "history/history_item.h"
#include "history/history.h"
#include "styles/style_dialogs.h" // st::dialogsTextWidthMin
namespace Dialogs {
namespace {
auto DialogsPosToTopShift = 0;
uint64 DialogPosFromDate(TimeId date) {
if (!date) {
return 0;
}
return (uint64(date) << 32) | (++DialogsPosToTopShift);
}
uint64 FixedOnTopDialogPos(int index) {
return 0xFFFFFFFFFFFF000FULL - index;
}
uint64 PinnedDialogPos(int pinnedIndex) {
return 0xFFFFFFFF000000FFULL - pinnedIndex;
}
} // namespace
Entry::Entry(not_null<Data::Session*> owner, Type type)
: lastItemTextCache(st::dialogsTextWidthMin)
, _owner(owner)
, _isFolder(type == Type::Folder) {
}
Data::Session &Entry::owner() const {
return *_owner;
}
Main::Session &Entry::session() const {
return _owner->session();
}
History *Entry::asHistory() {
return _isFolder ? nullptr : static_cast<History*>(this);
}
Data::Folder *Entry::asFolder() {
return _isFolder ? static_cast<Data::Folder*>(this) : nullptr;
}
void Entry::pinnedIndexChanged(int was, int now) {
if (session().supportMode()) {
// Force reorder in support mode.
_sortKeyInChatList = 0;
}
updateChatListSortPosition();
updateChatListEntry();
if ((was != 0) != (now != 0)) {
changedChatListPinHook();
}
}
void Entry::cachePinnedIndex(FilterId filterId, int index) {
const auto i = _pinnedIndex.find(filterId);
const auto was = (i != end(_pinnedIndex)) ? i->second : 0;
if (index == was) {
return;
}
if (!index) {
_pinnedIndex.erase(i);
pinnedIndexChanged(was, index);
} else {
if (!was) {
_pinnedIndex.emplace(filterId, index);
} else {
i->second = index;
}
pinnedIndexChanged(was, index);
}
}
void Entry::cacheTopPromoted(bool promoted) {
if (_isTopPromoted == promoted) {
return;
}
_isTopPromoted = promoted;
updateChatListSortPosition();
updateChatListEntry();
if (!_isTopPromoted) {
updateChatListExistence();
}
}
bool Entry::isTopPromoted() const {
return _isTopPromoted;
}
bool Entry::needUpdateInChatList() const {
return inChatList() || shouldBeInChatList();
}
void Entry::updateChatListSortPosition() {
if (session().supportMode()
&& _sortKeyInChatList != 0
&& session().settings().supportFixChatsOrder()) {
updateChatListEntry();
return;
}
_sortKeyByDate = DialogPosFromDate(adjustedChatListTimeId());
const auto fixedIndex = fixedOnTopIndex();
_sortKeyInChatList = fixedIndex
? FixedOnTopDialogPos(fixedIndex)
: computeSortPosition(0);
if (needUpdateInChatList()) {
setChatListExistence(true);
} else {
_sortKeyInChatList = _sortKeyByDate = 0;
}
}
int Entry::lookupPinnedIndex(FilterId filterId) const {
if (filterId) {
const auto i = _pinnedIndex.find(filterId);
return (i != end(_pinnedIndex)) ? i->second : 0;
} else if (!_pinnedIndex.empty()) {
return _pinnedIndex.front().first
? 0
: _pinnedIndex.front().second;
}
return 0;
}
uint64 Entry::computeSortPosition(FilterId filterId) const {
const auto index = lookupPinnedIndex(filterId);
return index ? PinnedDialogPos(index) : _sortKeyByDate;
}
void Entry::updateChatListExistence() {
setChatListExistence(shouldBeInChatList());
}
void Entry::notifyUnreadStateChange(const UnreadState &wasState) {
Expects(folderKnown());
Expects(inChatList());
const auto nowState = chatListUnreadState();
owner().chatsList(folder())->unreadStateChanged(wasState, nowState);
auto &filters = owner().chatsFilters();
for (const auto &[filterId, links] : _chatListLinks) {
filters.chatsList(filterId)->unreadStateChanged(wasState, nowState);
}
}
void Entry::setChatListExistence(bool exists) {
if (exists && _sortKeyInChatList) {
owner().refreshChatListEntry(this);
updateChatListEntry();
} else {
owner().removeChatListEntry(this);
}
}
TimeId Entry::adjustedChatListTimeId() const {
return chatListTimeId();
}
void Entry::changedChatListPinHook() {
}
RowsByLetter *Entry::chatListLinks(FilterId filterId) {
const auto i = _chatListLinks.find(filterId);
return (i != end(_chatListLinks)) ? &i->second : nullptr;
}
const RowsByLetter *Entry::chatListLinks(FilterId filterId) const {
const auto i = _chatListLinks.find(filterId);
return (i != end(_chatListLinks)) ? &i->second : nullptr;
}
not_null<Row*> Entry::mainChatListLink(FilterId filterId) const {
const auto links = chatListLinks(filterId);
Assert(links != nullptr);
return links->main;
}
Row *Entry::maybeMainChatListLink(FilterId filterId) const {
const auto links = chatListLinks(filterId);
return links ? links->main.get() : nullptr;
}
PositionChange Entry::adjustByPosInChatList(
FilterId filterId,
not_null<MainList*> list) {
const auto links = chatListLinks(filterId);
Assert(links != nullptr);
const auto from = links->main->pos();
list->indexed()->adjustByDate(*links);
const auto to = links->main->pos();
return { from, to };
}
void Entry::setChatListTimeId(TimeId date) {
_timeId = date;
updateChatListSortPosition();
if (const auto folder = this->folder()) {
folder->updateChatListSortPosition();
}
}
int Entry::posInChatList(FilterId filterId) const {
return mainChatListLink(filterId)->pos();
}
not_null<Row*> Entry::addToChatList(
FilterId filterId,
not_null<MainList*> list) {
if (const auto main = maybeMainChatListLink(filterId)) {
return main;
}
return _chatListLinks.emplace(
filterId,
list->addEntry(this)
).first->second.main;
}
void Entry::removeFromChatList(
FilterId filterId,
not_null<MainList*> list) {
if (isPinnedDialog(filterId)) {
owner().setChatPinned(this, filterId, false);
}
const auto i = _chatListLinks.find(filterId);
if (i == end(_chatListLinks)) {
return;
}
_chatListLinks.erase(i);
list->removeEntry(this);
}
void Entry::removeChatListEntryByLetter(FilterId filterId, QChar letter) {
const auto i = _chatListLinks.find(filterId);
if (i != end(_chatListLinks)) {
i->second.letters.remove(letter);
}
}
void Entry::addChatListEntryByLetter(
FilterId filterId,
QChar letter,
not_null<Row*> row) {
const auto i = _chatListLinks.find(filterId);
if (i != end(_chatListLinks)) {
i->second.letters.emplace(letter, row);
}
}
void Entry::updateChatListEntry() {
session().changes().entryUpdated(this, Data::EntryUpdate::Flag::Repaint);
}
} // namespace Dialogs