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Move SendPreloadRequest out of HistoryWidget.

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This commit is contained in:
John Preston 2022-02-10 15:15:32 +03:00
parent 7228752a01
commit 4f4ef941c6
4 changed files with 103 additions and 53 deletions
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2
Telegram/CMakeLists.txt
View file

@ -1097,6 +1097,8 @@ PRIVATE
support/support_common.h
support/support_helper.cpp
support/support_helper.h
support/support_preload.cpp
support/support_preload.h
support/support_templates.cpp
support/support_templates.h
ui/chat/attach/attach_item_single_file_preview.cpp

58
Telegram/SourceFiles/history/history_widget.cpp
View file

@ -143,6 +143,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "core/shortcuts.h"
#include "support/support_common.h"
#include "support/support_autocomplete.h"
#include "support/support_preload.h"
#include "dialogs/dialogs_key.h"
#include "calls/calls_instance.h"
#include "facades.h"
@ -3387,59 +3388,10 @@ void HistoryWidget::checkSupportPreload(bool force) {
}
clearSupportPreloadRequest();
_supportPreloadHistory = history;
auto offsetId = MsgId();
auto offset = 0;
auto loadCount = kMessagesPerPage;
if (const auto around = history->loadAroundId()) {
history->getReadyFor(ShowAtUnreadMsgId);
offset = -loadCount / 2;
offsetId = around;
}
const auto offsetDate = 0;
const auto maxId = 0;
const auto minId = 0;
const auto historyHash = uint64(0);
const auto type = Data::Histories::RequestType::History;
auto &histories = history->owner().histories();
_supportPreloadRequest = histories.sendRequest(history, type, [=](Fn<void()> finish) {
return history->session().api().request(MTPmessages_GetHistory(
history->peer->input,
MTP_int(offsetId),
MTP_int(offsetDate),
MTP_int(offset),
MTP_int(loadCount),
MTP_int(maxId),
MTP_int(minId),
MTP_long(historyHash)
)).done([=](const MTPmessages_Messages &result) {
if (const auto around = history->loadAroundId()) {
if (around != offsetId) {
_supportPreloadRequest = 0;
_supportPreloadHistory = nullptr;
crl::on_main(this, [=] { checkSupportPreload(); });
return;
}
history->clear(History::ClearType::Unload);
history->getReadyFor(ShowAtUnreadMsgId);
} else if (offsetId) {
_supportPreloadRequest = 0;
_supportPreloadHistory = nullptr;
crl::on_main(this, [=] { checkSupportPreload(); });
return;
} else {
history->clear(History::ClearType::Unload);
history->getReadyFor(ShowAtTheEndMsgId);
}
result.match([](const MTPDmessages_messagesNotModified&) {
}, [&](const auto &data) {
history->owner().processUsers(data.vusers());
history->owner().processChats(data.vchats());
history->addOlderSlice(data.vmessages().v);
});
finish();
}).fail([=](const MTP::Error &error) {
finish();
}).send();
_supportPreloadRequest = Support::SendPreloadRequest(history, [=] {
_supportPreloadRequest = 0;
_supportPreloadHistory = nullptr;
crl::on_main(this, [=] { checkSupportPreload(); });
});
}

77
Telegram/SourceFiles/support/support_preload.cpp Normal file
View file

@ -0,0 +1,77 @@
/*
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 "support/support_preload.h"
#include "history/history.h"
#include "data/data_peer.h"
#include "data/data_session.h"
#include "data/data_histories.h"
#include "main/main_session.h"
#include "apiwrap.h"
namespace Support {
namespace {
constexpr auto kPreloadMessagesCount = 50;
} // namespace
int SendPreloadRequest(not_null<History*> history, Fn<void()> retry) {
auto offsetId = MsgId();
auto offset = 0;
auto loadCount = kPreloadMessagesCount;
if (const auto around = history->loadAroundId()) {
history->getReadyFor(ShowAtUnreadMsgId);
offset = -loadCount / 2;
offsetId = around;
}
const auto offsetDate = 0;
const auto maxId = 0;
const auto minId = 0;
const auto historyHash = uint64(0);
const auto type = Data::Histories::RequestType::History;
auto &histories = history->owner().histories();
return histories.sendRequest(history, type, [=](Fn<void()> finish) {
return history->session().api().request(MTPmessages_GetHistory(
history->peer->input,
MTP_int(offsetId),
MTP_int(offsetDate),
MTP_int(offset),
MTP_int(loadCount),
MTP_int(maxId),
MTP_int(minId),
MTP_long(historyHash)
)).done([=](const MTPmessages_Messages &result) {
if (const auto around = history->loadAroundId()) {
if (around != offsetId) {
retry();
return;
}
history->clear(History::ClearType::Unload);
history->getReadyFor(ShowAtUnreadMsgId);
} else if (offsetId) {
retry();
return;
} else {
history->clear(History::ClearType::Unload);
history->getReadyFor(ShowAtTheEndMsgId);
}
result.match([](const MTPDmessages_messagesNotModified&) {
}, [&](const auto &data) {
history->owner().processUsers(data.vusers());
history->owner().processChats(data.vchats());
history->addOlderSlice(data.vmessages().v);
});
finish();
}).fail([=](const MTP::Error &error) {
finish();
}).send();
});
}
} // namespace Support

19
Telegram/SourceFiles/support/support_preload.h Normal file
View file

@ -0,0 +1,19 @@
/*
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
*/
#pragma once
class History;
namespace Support {
// Returns histories().request, not api().request.
[[nodiscard]] int SendPreloadRequest(
not_null<History*> history,
Fn<void()> retry);
} // namespace Support