tdesktop/Telegram/SourceFiles/export/export_manager.cpp

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2020-06-25 07:14:05 +00:00
/*
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 "export/export_manager.h"
#include "export/export_controller.h"
#include "export/view/export_view_panel_controller.h"
#include "data/data_peer.h"
#include "main/main_session.h"
#include "main/main_account.h"
#include "ui/layers/box_content.h"
#include "base/unixtime.h"
namespace Export {
Manager::Manager() = default;
Manager::~Manager() = default;
void Manager::start(not_null<PeerData*> peer) {
start(&peer->session(), peer->input);
}
void Manager::start(
not_null<Main::Session*> session,
const MTPInputPeer &singlePeer) {
if (_panel) {
_panel->activatePanel();
return;
}
_controller = std::make_unique<Controller>(
&session->mtp(),
singlePeer);
_panel = std::make_unique<View::PanelController>(
session,
_controller.get());
session->account().sessionChanges(
) | rpl::filter([=](Main::Session *value) {
return (value != session);
}) | rpl::start_with_next([=] {
stop();
}, _panel->lifetime());
_viewChanges.fire(_panel.get());
_panel->stopRequests(
) | rpl::start_with_next([=] {
LOG(("Export Info: Stop requested."));
stop();
}, _controller->lifetime());
}
rpl::producer<View::PanelController*> Manager::currentView(
) const {
return _viewChanges.events_starting_with(_panel.get());
}
bool Manager::inProgress() const {
return _controller != nullptr;
}
bool Manager::inProgress(not_null<Main::Session*> session) const {
return _panel && (&_panel->session() == session);
}
void Manager::stopWithConfirmation(FnMut<void()> callback) {
if (!_panel) {
callback();
return;
}
auto closeAndCall = [=, callback = std::move(callback)]() mutable {
auto saved = std::move(callback);
LOG(("Export Info: Stop With Confirmation."));
stop();
if (saved) {
saved();
}
};
_panel->stopWithConfirmation(std::move(closeAndCall));
}
void Manager::stop() {
if (_panel) {
LOG(("Export Info: Destroying."));
_panel = nullptr;
_viewChanges.fire(nullptr);
}
_controller = nullptr;
}
} // namespace Export