Added util to fill menu for document preview from poll answer.

Telegram/CMakeLists.txt

@@ -884,6 +884,8 @@ PRIVATE
     history/view/media/history_view_photo.h
     history/view/media/history_view_poll.cpp
     history/view/media/history_view_poll.h
+    history/view/media/menu/history_view_poll_menu.cpp
+    history/view/media/menu/history_view_poll_menu.h
     history/view/media/history_view_premium_gift.cpp
     history/view/media/history_view_premium_gift.h
     history/view/media/history_view_save_document_action.cpp

Telegram/SourceFiles/history/view/media/menu/history_view_poll_menu.cpp

@@ -0,0 +1,226 @@
+/*
+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 "history/view/media/menu/history_view_poll_menu.h"
+
+#include "lang/lang_keys.h"
+#include "ui/widgets/dropdown_menu.h"
+#include "ui/widgets/menu/menu_action.h"
+#include "ui/painter.h"
+#include "history/view/history_view_group_call_bar.h"
+#include "boxes/sticker_set_box.h"
+#include "data/data_poll.h"
+#include "data/data_document.h"
+#include "data/data_session.h"
+#include "data/data_file_origin.h"
+#include "data/stickers/data_stickers.h"
+#include "api/api_polls.h"
+#include "api/api_toggling_media.h"
+#include "main/main_session.h"
+#include "window/window_session_controller.h"
+#include "apiwrap.h"
+#include "styles/style_chat.h"
+#include "styles/style_menu_icons.h"
+#include "styles/style_widgets.h"
+
+namespace HistoryView {
+namespace {
+
+class VotersItem final : public Ui::Menu::ItemBase {
+public:
+	VotersItem(
+		not_null<Ui::Menu::Menu*> parent,
+		const style::Menu &st,
+		int votes,
+		const std::vector<not_null<PeerData*>> &recentVoters);
+
+	not_null<QAction*> action() const override;
+	bool isEnabled() const override;
+
+protected:
+	int contentHeight() const override;
+
+private:
+	void paint(Painter &p);
+
+	const not_null<QAction*> _dummyAction;
+	const style::Menu &_st;
+	const int _votes = 0;
+	const int _height = 0;
+	QImage _userpics;
+	int _userpicsWidth = 0;
+};
+
+VotersItem::VotersItem(
+	not_null<Ui::Menu::Menu*> parent,
+	const style::Menu &st,
+	int votes,
+	const std::vector<not_null<PeerData*>> &recentVoters)
+: ItemBase(parent, st)
+, _dummyAction(Ui::CreateChild<QAction>(parent.get()))
+, _st(st)
+, _votes(votes)
+, _height(st.itemPadding.top()
+	+ st.itemStyle.font->height
+	+ st.itemPadding.bottom()) {
+	auto prepared = PrepareUserpicsInRow(
+		recentVoters,
+		st::historyCommentsUserpics);
+	_userpics = std::move(prepared.image);
+	_userpicsWidth = prepared.width;
+
+	const auto votesText = tr::lng_polls_votes_count(
+		tr::now,
+		lt_count,
+		_votes);
+	const auto spacing = _userpicsWidth > 0
+		? st::normalFont->spacew * 2
+		: 0;
+	const auto textWidth = st.itemStyle.font->width(votesText);
+	const auto &textPadding = st::defaultMenu.itemPadding;
+	const auto minWidth = textPadding.left()
+		+ textWidth
+		+ spacing
+		+ _userpicsWidth
+		+ st.itemPadding.right();
+	setMinWidth(minWidth);
+
+	paintRequest() | rpl::on_next([=] {
+		Painter p(this);
+		paint(p);
+	}, lifetime());
+
+	fitToMenuWidth();
+}
+
+not_null<QAction*> VotersItem::action() const {
+	return _dummyAction;
+}
+
+bool VotersItem::isEnabled() const {
+	return false;
+}
+
+int VotersItem::contentHeight() const {
+	return _height;
+}
+
+void VotersItem::paint(Painter &p) {
+	p.fillRect(0, 0, width(), _height, _st.itemBg);
+
+	const auto votesText = tr::lng_polls_votes_count(
+		tr::now,
+		lt_count,
+		_votes);
+
+	p.setPen(_st.itemFg);
+	p.setFont(_st.itemStyle.font);
+	const auto &textPadding = st::defaultMenu.itemPadding;
+	const auto textY = _st.itemPadding.top()
+		+ _st.itemStyle.font->ascent;
+	p.drawText(textPadding.left(), textY, votesText);
+
+	if (!_userpics.isNull()) {
+		const auto userpicsHeight
+			= _userpics.height() / style::DevicePixelRatio();
+		const auto x = width() - _st.itemPadding.right() - _userpicsWidth;
+		const auto y = (_height - userpicsHeight) / 2;
+		p.drawImage(x, y, _userpics);
+	}
+}
+
+} // namespace
+
+void FillPollAnswerMenu(
+		not_null<Ui::DropdownMenu*> menu,
+		not_null<PollData*> poll,
+		const QByteArray &option,
+		not_null<DocumentData*> document,
+		FullMsgId itemId,
+		not_null<Window::SessionController*> controller) {
+	const auto session = &controller->session();
+	auto addedVotersItem = false;
+	if (const auto answer = poll->answerByOption(option)) {
+		const auto canVote = !option.isEmpty()
+			&& !poll->closed()
+			&& !poll->quiz()
+			&& !poll->voted();
+		if (!canVote && answer->votes > 0) {
+			menu->addAction(
+				base::make_unique_q<VotersItem>(
+					menu->menu(),
+					menu->menu()->st(),
+					answer->votes,
+					answer->recentVoters));
+			menu->addSeparator(&st::expandedMenuSeparator);
+			addedVotersItem = true;
+		}
+	}
+	if (!option.isEmpty()
+		&& !poll->closed()
+		&& !poll->quiz()) {
+		if (poll->voted()
+			&& !poll->revotingDisabled()) {
+			menu->addAction(
+				tr::lng_polls_retract(tr::now),
+				[=] {
+					session->api().polls().sendVotes(
+						itemId,
+						{});
+				},
+				&st::menuIconRetractVote);
+		} else if (!poll->voted()
+			&& poll->sendingVotes.empty()) {
+			menu->addAction(
+				tr::lng_polls_submit_votes(tr::now),
+				[=] {
+					session->api().polls().sendVotes(
+						itemId,
+						{ option });
+				},
+				&st::menuIconSelect);
+			if (!addedVotersItem) {
+				menu->addSeparator(
+					&st::expandedMenuSeparator);
+			}
+		}
+	}
+	const auto show = controller->uiShow();
+	const auto isFaved
+		= document->owner().stickers().isFaved(document);
+	menu->addAction(
+		(isFaved
+			? tr::lng_faved_stickers_remove
+			: tr::lng_faved_stickers_add)(tr::now),
+		[=] {
+			Api::ToggleFavedSticker(
+				show,
+				document,
+				Data::FileOriginStickerSet(
+					Data::Stickers::FavedSetId,
+					0));
+		},
+		isFaved
+			? &st::menuIconUnfave
+			: &st::menuIconFave);
+	if (const auto sticker = document->sticker()) {
+		const auto setId = sticker->set;
+		if (setId.id) {
+			menu->addAction(
+				tr::lng_view_button_stickerset(tr::now),
+				[=] {
+					show->show(Box<StickerSetBox>(
+						show,
+						setId,
+						Data::StickersType::Stickers));
+				},
+				&st::menuIconStickers);
+		}
+	}
+}
+
+} // namespace HistoryView

Telegram/SourceFiles/history/view/media/menu/history_view_poll_menu.h

@@ -0,0 +1,31 @@
+/*
+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
+
+struct PollData;
+class DocumentData;
+
+namespace Ui {
+class DropdownMenu;
+} // namespace Ui
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace HistoryView {
+
+void FillPollAnswerMenu(
+	not_null<Ui::DropdownMenu*> menu,
+	not_null<PollData*> poll,
+	const QByteArray &option,
+	not_null<DocumentData*> document,
+	FullMsgId itemId,
+	not_null<Window::SessionController*> controller);
+
+} // namespace HistoryView