793862bee6
* Do not move result at end of function This makes GCC 9.1.2 happy with the active -Wredundant-move warning. Indeed, such moving of local variables or local arguments before returning is unnecessary and prevents the compiler from copy elision optimization.
110 lines
3 KiB
C++
110 lines
3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "info/feed/info_feed_profile_inner_widget.h"
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#include "info/info_controller.h"
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#include "info/feed/info_feed_profile_widget.h"
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#include "info/feed/info_feed_cover.h"
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#include "info/feed/info_feed_channels.h"
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#include "info/profile/info_profile_actions.h"
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#include "ui/widgets/scroll_area.h"
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#include "ui/wrap/vertical_layout.h"
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namespace Info {
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namespace FeedProfile {
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InnerWidget::InnerWidget(
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QWidget *parent,
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not_null<Controller*> controller)
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: RpWidget(parent)
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, _controller(controller)
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, _feed(_controller->key().feed())
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, _content(setupContent(this)) {
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_content->heightValue(
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) | rpl::start_with_next([this](int height) {
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if (!_inResize) {
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resizeToWidth(width());
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updateDesiredHeight();
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}
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}, lifetime());
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}
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object_ptr<Ui::RpWidget> InnerWidget::setupContent(
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not_null<RpWidget*> parent) {
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auto result = object_ptr<Ui::VerticalLayout>(parent);
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_cover = result->add(object_ptr<Cover>(
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result,
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_controller));
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auto details = Profile::SetupFeedDetails(_controller, parent, _feed);
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result->add(std::move(details));
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result->add(object_ptr<BoxContentDivider>(result));
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_channels = result->add(object_ptr<Channels>(
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result,
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_controller)
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);
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_channels->scrollToRequests(
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) | rpl::start_with_next([this](Ui::ScrollToRequest request) {
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auto min = (request.ymin < 0)
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? request.ymin
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: mapFromGlobal(_channels->mapToGlobal({ 0, request.ymin })).y();
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auto max = (request.ymin < 0)
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? mapFromGlobal(_channels->mapToGlobal({ 0, 0 })).y()
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: (request.ymax < 0)
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? request.ymax
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: mapFromGlobal(_channels->mapToGlobal({ 0, request.ymax })).y();
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_scrollToRequests.fire({ min, max });
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}, _channels->lifetime());
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return result;
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}
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int InnerWidget::countDesiredHeight() const {
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return _content->height() + (_channels
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? (_channels->desiredHeight() - _channels->height())
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: 0);
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}
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void InnerWidget::visibleTopBottomUpdated(
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int visibleTop,
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int visibleBottom) {
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setChildVisibleTopBottom(_content, visibleTop, visibleBottom);
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}
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void InnerWidget::saveState(not_null<Memento*> memento) {
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if (_channels) {
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memento->setChannelsState(_channels->saveState());
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}
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}
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void InnerWidget::restoreState(not_null<Memento*> memento) {
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if (_channels) {
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_channels->restoreState(memento->channelsState());
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}
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}
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rpl::producer<Ui::ScrollToRequest> InnerWidget::scrollToRequests() const {
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return _scrollToRequests.events();
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}
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rpl::producer<int> InnerWidget::desiredHeightValue() const {
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return _desiredHeight.events_starting_with(countDesiredHeight());
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}
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int InnerWidget::resizeGetHeight(int newWidth) {
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_inResize = true;
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auto guard = gsl::finally([&] { _inResize = false; });
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_content->resizeToWidth(newWidth);
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_content->moveToLeft(0, 0);
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updateDesiredHeight();
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return _content->heightNoMargins();
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}
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} // namespace FeedProfile
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} // namespace Info
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