163 lines
4.1 KiB
C++
163 lines
4.1 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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#pragma once
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#include "window/section_widget.h"
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#include "window/section_memento.h"
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#include "history/view/history_view_list_widget.h"
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class History;
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namespace Notify {
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struct PeerUpdate;
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} // namespace Notify
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namespace Ui {
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class ScrollArea;
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class PlainShadow;
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class FlatButton;
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class HistoryDownButton;
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} // namespace Ui
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namespace Profile {
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class BackButton;
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} // namespace Profile
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namespace HistoryView {
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class Element;
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class TopBarWidget;
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class ScheduledMemento;
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class ScheduledWidget final
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: public Window::SectionWidget
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, private ListDelegate {
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public:
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ScheduledWidget(
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QWidget *parent,
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not_null<Window::SessionController*> controller,
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not_null<History*> history);
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not_null<History*> history() const;
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Dialogs::RowDescriptor activeChat() const override;
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bool hasTopBarShadow() const override {
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return true;
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}
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QPixmap grabForShowAnimation(
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const Window::SectionSlideParams ¶ms) override;
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bool showInternal(
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not_null<Window::SectionMemento*> memento,
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const Window::SectionShow ¶ms) override;
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std::unique_ptr<Window::SectionMemento> createMemento() override;
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void setInternalState(
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const QRect &geometry,
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not_null<ScheduledMemento*> memento);
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// Float player interface.
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bool wheelEventFromFloatPlayer(QEvent *e) override;
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QRect rectForFloatPlayer() const override;
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// ListDelegate interface.
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Context listContext() override;
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void listScrollTo(int top) override;
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void listCancelRequest() override;
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void listDeleteRequest() override;
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rpl::producer<Data::MessagesSlice> listSource(
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Data::MessagePosition aroundId,
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int limitBefore,
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int limitAfter) override;
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bool listAllowsMultiSelect() override;
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bool listIsItemGoodForSelection(not_null<HistoryItem*> item) override;
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bool listIsLessInOrder(
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not_null<HistoryItem*> first,
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not_null<HistoryItem*> second) override;
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void listSelectionChanged(SelectedItems &&items) override;
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void listVisibleItemsChanged(HistoryItemsList &&items) override;
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std::optional<int> listUnreadBarView(
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const std::vector<not_null<Element*>> &elements) override;
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void listContentRefreshed() override;
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ClickHandlerPtr listDateLink(not_null<Element*> view) override;
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protected:
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void resizeEvent(QResizeEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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void showAnimatedHook(
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const Window::SectionSlideParams ¶ms) override;
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void showFinishedHook() override;
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void doSetInnerFocus() override;
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private:
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void onScroll();
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void updateInnerVisibleArea();
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void updateControlsGeometry();
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void updateAdaptiveLayout();
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void saveState(not_null<ScheduledMemento*> memento);
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void restoreState(not_null<ScheduledMemento*> memento);
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void showAtPosition(Data::MessagePosition position);
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bool showAtPositionNow(Data::MessagePosition position);
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void setupScrollDownButton();
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void scrollDownClicked();
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void scrollDownAnimationFinish();
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void updateScrollDownVisibility();
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void updateScrollDownPosition();
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void confirmDeleteSelected();
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void clearSelected();
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const not_null<History*> _history;
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object_ptr<Ui::ScrollArea> _scroll;
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QPointer<ListWidget> _inner;
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object_ptr<TopBarWidget> _topBar;
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object_ptr<Ui::PlainShadow> _topBarShadow;
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bool _skipScrollEvent = false;
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FullMsgId _highlightMessageId;
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std::optional<Data::MessagePosition> _nextAnimatedScrollPosition;
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int _nextAnimatedScrollDelta = 0;
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Ui::Animations::Simple _scrollDownShown;
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bool _scrollDownIsShown = false;
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object_ptr<Ui::HistoryDownButton> _scrollDown;
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};
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class ScheduledMemento : public Window::SectionMemento {
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public:
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ScheduledMemento(not_null<History*> history)
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: _history(history)
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, _list({}) {
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}
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object_ptr<Window::SectionWidget> createWidget(
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QWidget *parent,
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not_null<Window::SessionController*> controller,
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Window::Column column,
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const QRect &geometry) override;
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not_null<History*> getHistory() const {
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return _history;
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}
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not_null<ListMemento*> list() {
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return &_list;
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}
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private:
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const not_null<History*> _history;
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ListMemento _list;
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};
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} // namespace HistoryScheduled
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