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Code Issues Releases Wiki Activity

Implement jump-to-start / end by long press in CalendarBox.

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This commit is contained in:
John Preston
2021-11-15 13:09:44 +04:00
parent 15dc6064ef
commit 4414369fc8
4 changed files with 165 additions and 75 deletions
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86
Telegram/SourceFiles/window/window_session_controller.cpp
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@@ -1147,63 +1147,61 @@ void SessionController::startOrJoinGroupCall(
}
void SessionController::showJumpToDate(Dialogs::Key chat, QDate requestedDate) {
const auto history = chat.history();
if (!history) {
return;
}
const auto currentPeerDate = [&] {
if (const auto history = chat.history()) {
if (history->scrollTopItem) {
return history->scrollTopItem->dateTime().date();
} else if (history->loadedAtTop()
&& !history->isEmpty()
&& history->peer->migrateFrom()) {
if (const auto migrated = history->owner().historyLoaded(history->peer->migrateFrom())) {
if (migrated->scrollTopItem) {
// We're up in the migrated history.
// So current date is the date of first message here.
return history->blocks.front()->messages.front()->dateTime().date();
}
if (history->scrollTopItem) {
return history->scrollTopItem->dateTime().date();
} else if (history->loadedAtTop()
&& !history->isEmpty()
&& history->peer->migrateFrom()) {
if (const auto migrated = history->owner().historyLoaded(history->peer->migrateFrom())) {
if (migrated->scrollTopItem) {
// We're up in the migrated history.
// So current date is the date of first message here.
return history->blocks.front()->messages.front()->dateTime().date();
}
} else if (const auto item = history->lastMessage()) {
return base::unixtime::parse(item->date()).date();
}
} else if (const auto item = history->lastMessage()) {
return base::unixtime::parse(item->date()).date();
}
return QDate();
}();
const auto maxPeerDate = [](Dialogs::Key chat) {
if (auto history = chat.history()) {
if (const auto channel = history->peer->migrateTo()) {
history = channel->owner().historyLoaded(channel);
}
if (const auto item = history ? history->lastMessage() : nullptr) {
return base::unixtime::parse(item->date()).date();
}
const auto maxPeerDate = [&] {
const auto check = history->peer->migrateTo()
? history->owner().historyLoaded(history->peer->migrateTo())
: history;
if (const auto item = check ? check->lastMessage() : nullptr) {
return base::unixtime::parse(item->date()).date();
}
return QDate::currentDate();
};
const auto minPeerDate = [](Dialogs::Key chat) {
return QDate();
}();
const auto minPeerDate = [&] {
const auto startDate = [] {
// Telegram was launched in August 2013 :)
return QDate(2013, 8, 1);
};
if (const auto history = chat.history()) {
if (const auto chat = history->peer->migrateFrom()) {
if (const auto history = chat->owner().historyLoaded(chat)) {
if (history->loadedAtTop()) {
if (!history->isEmpty()) {
return history->blocks.front()->messages.front()->dateTime().date();
}
} else {
return startDate();
if (const auto chat = history->peer->migrateFrom()) {
if (const auto history = chat->owner().historyLoaded(chat)) {
if (history->loadedAtTop()) {
if (!history->isEmpty()) {
return history->blocks.front()->messages.front()->dateTime().date();
}
} else {
return startDate();
}
}
if (history->loadedAtTop()) {
if (!history->isEmpty()) {
return history->blocks.front()->messages.front()->dateTime().date();
}
return QDate::currentDate();
}
}
if (history->loadedAtTop()) {
if (!history->isEmpty()) {
return history->blocks.front()->messages.front()->dateTime().date();
}
return QDate::currentDate();
}
return startDate();
};
}();
const auto highlighted = !requestedDate.isNull()
? requestedDate
: !currentPeerDate.isNull()
@@ -1215,9 +1213,9 @@ void SessionController::showJumpToDate(Dialogs::Key chat, QDate requestedDate) {
.callback = [=](const QDate &date) {
session().api().jumpToDate(chat, date);
},
.minDate = minPeerDate(chat),
.maxDate = maxPeerDate(chat),
.hasBeginningButton = true,
.minDate = minPeerDate,
.maxDate = maxPeerDate,
.allowsSelection = history->peer->isUser(),
}));
}