Added AbstractSingleFilePreview.

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_file_preview.cpp

@@ -0,0 +1,180 @@
+/*
+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 "ui/chat/attach/attach_abstract_single_file_preview.h"
+
+#include "ui/text/text_options.h"
+#include "ui/widgets/buttons.h"
+#include "ui/image/image_prepare.h"
+#include "base/timer_rpl.h"
+#include "styles/style_chat.h"
+#include "styles/style_boxes.h"
+
+namespace Ui {
+
+AbstractSingleFilePreview::AbstractSingleFilePreview(QWidget *parent)
+: RpWidget(parent)
+, _editMedia(this, st::sendBoxAlbumGroupButtonFile)
+, _deleteMedia(this, st::sendBoxAlbumGroupButtonFile) {
+
+	_editMedia->setIconOverride(&st::sendBoxAlbumGroupEditButtonIconFile);
+	_deleteMedia->setIconOverride(&st::sendBoxAlbumGroupDeleteButtonIconFile);
+}
+
+AbstractSingleFilePreview::~AbstractSingleFilePreview() = default;
+
+rpl::producer<> AbstractSingleFilePreview::editRequests() const {
+	return _editMedia->clicks() | rpl::map([] {
+		return base::timer_once(st::historyAttach.ripple.hideDuration);
+	}) | rpl::flatten_latest();
+}
+
+rpl::producer<> AbstractSingleFilePreview::deleteRequests() const {
+	return _deleteMedia->clicks() | rpl::to_empty;
+}
+
+void AbstractSingleFilePreview::prepareThumbFor(
+		Data &data,
+		const QImage &preview) {
+	if (preview.isNull()) {
+		return;
+	}
+
+	auto originalWidth = preview.width();
+	auto originalHeight = preview.height();
+	const auto &st = st::attachPreviewThumbLayout;
+	auto thumbWidth = st.thumbSize;
+	if (originalWidth > originalHeight) {
+		thumbWidth = (originalWidth * st.thumbSize) / originalHeight;
+	}
+	auto options = Images::Option::Smooth
+		| Images::Option::RoundedSmall
+		| Images::Option::RoundedTopLeft
+		| Images::Option::RoundedTopRight
+		| Images::Option::RoundedBottomLeft
+		| Images::Option::RoundedBottomRight;
+	data.fileThumb = PixmapFromImage(Images::prepare(
+		preview,
+		thumbWidth * style::DevicePixelRatio(),
+		0,
+		options,
+		st.thumbSize,
+		st.thumbSize));
+}
+
+void AbstractSingleFilePreview::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+
+	const auto w = width()
+		- st::boxPhotoPadding.left()
+		- st::boxPhotoPadding.right();
+	const auto h = height();
+	const auto &st = !isThumbedLayout(_data)
+		? st::attachPreviewLayout
+		: st::attachPreviewThumbLayout;
+	const auto nameleft = st.thumbSize + st.padding.right();
+	const auto nametop = st.nameTop;
+	const auto statustop = st.statusTop;
+	const auto x = (width() - w) / 2, y = 0;
+
+	if (!isThumbedLayout(_data)) {
+		QRect inner(
+			style::rtlrect(x, y, st.thumbSize, st.thumbSize, width()));
+		p.setPen(Qt::NoPen);
+
+		if (_data.fileIsAudio && !_data.fileThumb.isNull()) {
+			p.drawPixmap(inner.topLeft(), _data.fileThumb);
+		} else {
+			p.setBrush(st::msgFileInBg);
+			PainterHighQualityEnabler hq(p);
+			p.drawEllipse(inner);
+		}
+
+		auto &icon = _data.fileIsAudio
+			? (_data.fileThumb.isNull()
+				? st::historyFileInPlay
+				: st::historyFileSongPlay)
+			: _data.fileIsImage
+			? st::historyFileInImage
+			: st::historyFileInDocument;
+		icon.paintInCenter(p, inner);
+	} else {
+		QRect rthumb(
+			style::rtlrect(x, y, st.thumbSize, st.thumbSize, width()));
+		p.drawPixmap(rthumb.topLeft(), _data.fileThumb);
+	}
+	p.setFont(st::semiboldFont);
+	p.setPen(st::historyFileNameInFg);
+	p.drawTextLeft(
+		x + nameleft,
+		y + nametop, width(),
+		_data.name,
+		_data.nameWidth);
+
+	p.setFont(st::normalFont);
+	p.setPen(st::mediaInFg);
+	p.drawTextLeft(
+		x + nameleft,
+		y + statustop,
+		width(),
+		_data.statusText,
+		_data.statusWidth);
+}
+
+void AbstractSingleFilePreview::resizeEvent(QResizeEvent *e) {
+	const auto w = width()
+		- st::boxPhotoPadding.left()
+		- st::boxPhotoPadding.right();
+	const auto x = (width() - w) / 2;
+	const auto top = st::sendBoxFileGroupSkipTop;
+	auto right = st::sendBoxFileGroupSkipRight + x;
+	_deleteMedia->moveToRight(right, top);
+	right += st::sendBoxFileGroupEditInternalSkip + _deleteMedia->width();
+	_editMedia->moveToRight(right, top);
+}
+
+bool AbstractSingleFilePreview::isThumbedLayout(Data &data) const {
+	return (!data.fileThumb.isNull() && !data.fileIsAudio);
+}
+
+void AbstractSingleFilePreview::updateTextWidthFor(Data &data) {
+	const auto &st = !isThumbedLayout(data)
+		? st::attachPreviewLayout
+		: st::attachPreviewThumbLayout;
+	const auto nameleft = st.thumbSize + st.padding.right();
+	const auto nametop = st.nameTop;
+	const auto statustop = st.statusTop;
+	const auto availableFileWidth = st::sendMediaPreviewSize
+		- st.thumbSize
+		- st.padding.right()
+		// Right buttons.
+		- st::sendBoxAlbumGroupButtonFile.width * 2
+		- st::sendBoxAlbumGroupEditInternalSkip * 2
+		- st::sendBoxAlbumGroupSkipRight;
+	data.nameWidth = st::semiboldFont->width(data.name);
+	if (data.nameWidth > availableFileWidth) {
+		data.name = st::semiboldFont->elided(
+			data.name,
+			availableFileWidth,
+			Qt::ElideMiddle);
+		data.nameWidth = st::semiboldFont->width(data.name);
+	}
+	data.statusWidth = st::normalFont->width(data.statusText);
+}
+
+void AbstractSingleFilePreview::setData(const Data &data) {
+	_data = data;
+
+	updateTextWidthFor(_data);
+
+	const auto &st = !isThumbedLayout(_data)
+		? st::attachPreviewLayout
+		: st::attachPreviewThumbLayout;
+	resize(width(), st.thumbSize);
+}
+
+} // namespace Ui

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_file_preview.h

@@ -0,0 +1,54 @@
+/*
+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
+
+#include "ui/rp_widget.h"
+#include "base/object_ptr.h"
+
+namespace Ui {
+
+class IconButton;
+
+class AbstractSingleFilePreview : public RpWidget {
+public:
+	AbstractSingleFilePreview(QWidget *parent);
+	~AbstractSingleFilePreview();
+
+	[[nodiscard]] rpl::producer<> deleteRequests() const;
+	[[nodiscard]] rpl::producer<> editRequests() const;
+
+protected:
+	struct Data {
+		QPixmap fileThumb;
+		QString name;
+		QString statusText;
+		int nameWidth = 0;
+		int statusWidth = 0;
+		bool fileIsAudio = false;
+		bool fileIsImage = false;
+	};
+
+	void prepareThumbFor(Data &data, const QImage &preview);
+	bool isThumbedLayout(Data &data) const;
+
+	void setData(const Data &data);
+
+private:
+	void paintEvent(QPaintEvent *e) override;
+	void resizeEvent(QResizeEvent *e) override;
+
+	void updateTextWidthFor(Data &data);
+
+	Data _data;
+
+	object_ptr<IconButton> _editMedia = { nullptr };
+	object_ptr<IconButton> _deleteMedia = { nullptr };
+
+};
+
+} // namespace Ui

Telegram/SourceFiles/ui/chat/attach/attach_single_file_preview.cpp

@@ -10,13 +10,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/chat/attach/attach_prepare.h"
 #include "ui/text/format_song_name.h"
 #include "ui/text/format_values.h"
-#include "ui/text/text_options.h"
-#include "ui/widgets/buttons.h"
-#include "ui/image/image_prepare.h"
-#include "base/timer_rpl.h"
 #include "core/mime_type.h"
 #include "styles/style_chat.h"
-#include "styles/style_boxes.h"
 
 #include <QtCore/QFileInfo>
 
@@ -25,60 +20,13 @@ namespace Ui {
 SingleFilePreview::SingleFilePreview(
 	QWidget *parent,
 	const PreparedFile &file)
-: RpWidget(parent)
-, _editMedia(this, st::sendBoxAlbumGroupButtonFile)
-, _deleteMedia(this, st::sendBoxAlbumGroupButtonFile) {
+: AbstractSingleFilePreview(parent) {
 	preparePreview(file);
-
-	_editMedia->setIconOverride(&st::sendBoxAlbumGroupEditButtonIconFile);
-	_deleteMedia->setIconOverride(&st::sendBoxAlbumGroupDeleteButtonIconFile);
-
-	const auto &st = !isThumbedLayout()
-		? st::attachPreviewLayout
-		: st::attachPreviewThumbLayout;
-	resize(width(), st.thumbSize);
-}
-
-SingleFilePreview::~SingleFilePreview() = default;
-
-rpl::producer<> SingleFilePreview::editRequests() const {
-	return _editMedia->clicks() | rpl::map([] {
-		return base::timer_once(st::historyAttach.ripple.hideDuration);
-	}) | rpl::flatten_latest();
-}
-
-rpl::producer<> SingleFilePreview::deleteRequests() const {
-	return _deleteMedia->clicks() | rpl::to_empty;
-}
-
-void SingleFilePreview::prepareThumb(const QImage &preview) {
-	if (preview.isNull()) {
-		return;
-	}
-
-	auto originalWidth = preview.width();
-	auto originalHeight = preview.height();
-	const auto &st = st::attachPreviewThumbLayout;
-	auto thumbWidth = st.thumbSize;
-	if (originalWidth > originalHeight) {
-		thumbWidth = (originalWidth * st.thumbSize) / originalHeight;
-	}
-	auto options = Images::Option::Smooth
-		| Images::Option::RoundedSmall
-		| Images::Option::RoundedTopLeft
-		| Images::Option::RoundedTopRight
-		| Images::Option::RoundedBottomLeft
-		| Images::Option::RoundedBottomRight;
-	_fileThumb = PixmapFromImage(Images::prepare(
-		preview,
-		thumbWidth * style::DevicePixelRatio(),
-		0,
-		options,
-		st.thumbSize,
-		st.thumbSize));
 }
 
 void SingleFilePreview::preparePreview(const PreparedFile &file) {
+	AbstractSingleFilePreview::Data data;
+
 	auto preview = QImage();
 	if (const auto image = std::get_if<PreparedFileInformation::Image>(
 		&file.information->media)) {
@@ -87,18 +35,20 @@ void SingleFilePreview::preparePreview(const PreparedFile &file) {
 		&file.information->media)) {
 		preview = video->thumbnail;
 	}
-	prepareThumb(preview);
+	prepareThumbFor(data, preview);
 	const auto filepath = file.path;
 	if (filepath.isEmpty()) {
 		auto filename = "image.png";
-		_name = filename;
-		_statusText = FormatImageSizeText(preview.size()
+		data.name = filename;
+		data.statusText = FormatImageSizeText(preview.size()
 			/ preview.devicePixelRatio());
-		_fileIsImage = true;
+		data.fileIsImage = true;
 	} else {
 		auto fileinfo = QFileInfo(filepath);
 		auto filename = fileinfo.fileName();
-		_fileIsImage = Core::FileIsImage(filename, Core::MimeTypeForFile(fileinfo).name());
+		data.fileIsImage = Core::FileIsImage(
+			filename,
+			Core::MimeTypeForFile(fileinfo).name());
 
 		auto songTitle = QString();
 		auto songPerformer = QString();
@@ -107,98 +57,22 @@ void SingleFilePreview::preparePreview(const PreparedFile &file) {
 					&file.information->media)) {
 				songTitle = song->title;
 				songPerformer = song->performer;
-				_fileIsAudio = true;
+				data.fileIsAudio = true;
 
 				if (auto cover = song->cover; !cover.isNull()) {
-					_fileThumb = Ui::PrepareSongCoverForThumbnail(
+					data.fileThumb = Ui::PrepareSongCoverForThumbnail(
 						cover,
 						st::attachPreviewLayout.thumbSize);
 				}
 			}
 		}
 
-		_name = Text::FormatSongName(filename, songTitle, songPerformer)
+		data.name = Text::FormatSongName(filename, songTitle, songPerformer)
 			.string();
-		_statusText = FormatSizeText(fileinfo.size());
+		data.statusText = FormatSizeText(fileinfo.size());
 	}
-	const auto &st = !isThumbedLayout()
-		? st::attachPreviewLayout
-		: st::attachPreviewThumbLayout;
-	const auto availableFileWidth = st::sendMediaPreviewSize
-		- st.thumbSize
-		- st.padding.right()
-		// Right buttons.
-		- st::sendBoxAlbumGroupButtonFile.width * 2
-		- st::sendBoxAlbumGroupEditInternalSkip * 2
-		- st::sendBoxAlbumGroupSkipRight;
-	_nameWidth = st::semiboldFont->width(_name);
-	if (_nameWidth > availableFileWidth) {
-		_name = st::semiboldFont->elided(
-			_name,
-			availableFileWidth,
-			Qt::ElideMiddle);
-		_nameWidth = st::semiboldFont->width(_name);
-	}
-	_statusWidth = st::normalFont->width(_statusText);
-}
 
-void SingleFilePreview::paintEvent(QPaintEvent *e) {
-	Painter p(this);
-
-	auto w = width() - st::boxPhotoPadding.left() - st::boxPhotoPadding.right();
-	const auto &st = !isThumbedLayout()
-		? st::attachPreviewLayout
-		: st::attachPreviewThumbLayout;
-	const auto nameleft = st.thumbSize + st.padding.right();
-	const auto nametop = st.nameTop;
-	const auto statustop = st.statusTop;
-	const auto x = (width() - w) / 2, y = 0;
-
-	if (!isThumbedLayout()) {
-		QRect inner(style::rtlrect(x, y, st.thumbSize, st.thumbSize, width()));
-		p.setPen(Qt::NoPen);
-
-		if (_fileIsAudio && !_fileThumb.isNull()) {
-			p.drawPixmap(inner.topLeft(), _fileThumb);
-		} else {
-			p.setBrush(st::msgFileInBg);
-			PainterHighQualityEnabler hq(p);
-			p.drawEllipse(inner);
-		}
-
-		auto &icon = _fileIsAudio
-			? (_fileThumb.isNull()
-				? st::historyFileInPlay
-				: st::historyFileSongPlay)
-			: _fileIsImage
-			? st::historyFileInImage
-			: st::historyFileInDocument;
-		icon.paintInCenter(p, inner);
-	} else {
-		QRect rthumb(style::rtlrect(x, y, st.thumbSize, st.thumbSize, width()));
-		p.drawPixmap(rthumb.topLeft(), _fileThumb);
-	}
-	p.setFont(st::semiboldFont);
-	p.setPen(st::historyFileNameInFg);
-	p.drawTextLeft(x + nameleft, y + nametop, width(), _name, _nameWidth);
-
-	p.setFont(st::normalFont);
-	p.setPen(st::mediaInFg);
-	p.drawTextLeft(x + nameleft, y + statustop, width(), _statusText, _statusWidth);
-}
-
-void SingleFilePreview::resizeEvent(QResizeEvent *e) {
-	const auto w = width() - st::boxPhotoPadding.left() - st::boxPhotoPadding.right();
-	const auto x = (width() - w) / 2;
-	const auto top = st::sendBoxFileGroupSkipTop;
-	auto right = st::sendBoxFileGroupSkipRight + x;
-	_deleteMedia->moveToRight(right, top);
-	right += st::sendBoxFileGroupEditInternalSkip + _deleteMedia->width();
-	_editMedia->moveToRight(right, top);
-}
-
-bool SingleFilePreview::isThumbedLayout() const {
-	return (!_fileThumb.isNull() && !_fileIsAudio);
+	setData(data);
 }
 
 } // namespace Ui

Telegram/SourceFiles/ui/chat/attach/attach_single_file_preview.h

@@ -7,43 +7,20 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include "ui/rp_widget.h"
-#include "base/object_ptr.h"
+#include "ui/chat/attach/attach_abstract_single_file_preview.h"
 
 namespace Ui {
 
 struct PreparedFile;
-class IconButton;
 
-class SingleFilePreview final : public RpWidget {
+class SingleFilePreview final : public AbstractSingleFilePreview {
 public:
 	SingleFilePreview(
 		QWidget *parent,
 		const PreparedFile &file);
-	~SingleFilePreview();
-
-	[[nodiscard]] rpl::producer<> deleteRequests() const;
-	[[nodiscard]] rpl::producer<> editRequests() const;
 
 private:
-	void paintEvent(QPaintEvent *e) override;
-	void resizeEvent(QResizeEvent *e) override;
-
 	void preparePreview(const PreparedFile &file);
-	void prepareThumb(const QImage &preview);
-
-	bool isThumbedLayout() const;
-
-	QPixmap _fileThumb;
-	QString _name;
-	QString _statusText;
-	int _nameWidth = 0;
-	int _statusWidth = 0;
-	bool _fileIsAudio = false;
-	bool _fileIsImage = false;
-
-	object_ptr<IconButton> _editMedia = { nullptr };
-	object_ptr<IconButton> _deleteMedia = { nullptr };
 
 };
 

Telegram/cmake/td_ui.cmake

@@ -106,6 +106,8 @@ PRIVATE
     ui/boxes/report_box.h
     ui/boxes/single_choice_box.cpp
     ui/boxes/single_choice_box.h
+    ui/chat/attach/attach_abstract_single_file_preview.cpp
+    ui/chat/attach/attach_abstract_single_file_preview.h
     ui/chat/attach/attach_album_preview.cpp
     ui/chat/attach/attach_album_preview.h
     ui/chat/attach/attach_album_thumbnail.cpp