tdesktop/Telegram/SourceFiles/info/feed/info_feed_profile_inner_wid...

111 lines
3.0 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 "info/feed/info_feed_profile_inner_widget.h"
#include "info/info_controller.h"
#include "info/feed/info_feed_profile_widget.h"
#include "info/feed/info_feed_cover.h"
#include "info/feed/info_feed_channels.h"
#include "info/profile/info_profile_actions.h"
#include "ui/widgets/scroll_area.h"
#include "ui/wrap/vertical_layout.h"
namespace Info {
namespace FeedProfile {
InnerWidget::InnerWidget(
QWidget *parent,
not_null<Controller*> controller)
: RpWidget(parent)
, _controller(controller)
, _feed(_controller->key().feed())
, _content(setupContent(this)) {
_content->heightValue(
) | rpl::start_with_next([this](int height) {
if (!_inResize) {
resizeToWidth(width());
updateDesiredHeight();
}
}, lifetime());
}
object_ptr<Ui::RpWidget> InnerWidget::setupContent(
not_null<RpWidget*> parent) {
auto result = object_ptr<Ui::VerticalLayout>(parent);
_cover = result->add(object_ptr<Cover>(
result,
_controller));
auto details = Profile::SetupFeedDetails(_controller, parent, _feed);
result->add(std::move(details));
result->add(object_ptr<BoxContentDivider>(result));
_channels = result->add(object_ptr<Channels>(
result,
_controller)
);
_channels->scrollToRequests(
) | rpl::start_with_next([this](Ui::ScrollToRequest request) {
auto min = (request.ymin < 0)
? request.ymin
: mapFromGlobal(_channels->mapToGlobal({ 0, request.ymin })).y();
auto max = (request.ymin < 0)
? mapFromGlobal(_channels->mapToGlobal({ 0, 0 })).y()
: (request.ymax < 0)
? request.ymax
: mapFromGlobal(_channels->mapToGlobal({ 0, request.ymax })).y();
_scrollToRequests.fire({ min, max });
}, _channels->lifetime());
return result;
}
int InnerWidget::countDesiredHeight() const {
return _content->height() + (_channels
? (_channels->desiredHeight() - _channels->height())
: 0);
}
void InnerWidget::visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) {
setChildVisibleTopBottom(_content, visibleTop, visibleBottom);
}
void InnerWidget::saveState(not_null<Memento*> memento) {
if (_channels) {
memento->setChannelsState(_channels->saveState());
}
}
void InnerWidget::restoreState(not_null<Memento*> memento) {
if (_channels) {
_channels->restoreState(memento->channelsState());
}
}
rpl::producer<Ui::ScrollToRequest> InnerWidget::scrollToRequests() const {
return _scrollToRequests.events();
}
rpl::producer<int> InnerWidget::desiredHeightValue() const {
return _desiredHeight.events_starting_with(countDesiredHeight());
}
int InnerWidget::resizeGetHeight(int newWidth) {
_inResize = true;
auto guard = gsl::finally([&] { _inResize = false; });
_content->resizeToWidth(newWidth);
_content->moveToLeft(0, 0);
updateDesiredHeight();
return _content->heightNoMargins();
}
} // namespace FeedProfile
} // namespace Info