tdesktop/Telegram/SourceFiles/boxes/edit_caption_box.h

/*
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 "boxes/abstract_box.h"
#include "storage/storage_media_prepare.h"
#include "ui/wrap/slide_wrap.h"

class Image;

namespace ChatHelpers {
class TabbedPanel;
} // namespace ChatHelpers

namespace Window {
class SessionController;
} // namespace Window

namespace Data {
class Media;
class PhotoMedia;
class DocumentMedia;
} // namespace Data

namespace Ui {
class InputField;
class EmojiButton;
class IconButton;
class Checkbox;
} // namespace Ui

namespace Window {
class SessionController;
} // namespace Window

namespace Media {
namespace Streaming {
class Instance;
class Document;
struct Update;
enum class Error;
struct Information;
} // namespace Streaming
} // namespace Media

class EditCaptionBox final : public Ui::BoxContent, private base::Subscriber {
public:
	EditCaptionBox(
		QWidget*,
		not_null<Window::SessionController*> controller,
		not_null<HistoryItem*> item);
	~EditCaptionBox();

protected:
	void prepare() override;
	void setInnerFocus() override;

	void paintEvent(QPaintEvent *e) override;
	void resizeEvent(QResizeEvent *e) override;
	void keyPressEvent(QKeyEvent *e) override;

private:
	void updateBoxSize();
	void prepareStreamedPreview();
	void checkStreamedIsStarted();
	void setupStreamedPreview(
		std::shared_ptr<::Media::Streaming::Document> shared);
	void handleStreamingUpdate(::Media::Streaming::Update &&update);
	void handleStreamingError(::Media::Streaming::Error &&error);
	void streamingReady(::Media::Streaming::Information &&info);
	void startStreamedPlayer();

	void setupEmojiPanel();
	void updateEmojiPanelGeometry();
	void emojiFilterForGeometry(not_null<QEvent*> event);

	void setupDragArea();

	void save();
	void captionResized();

	void setName(QString nameString, qint64 size);
	bool fileFromClipboard(not_null<const QMimeData*> data);
	void updateEditPreview();
	void updateEditMediaButton();

	int errorTopSkip() const;

	void createEditMediaButton();

	inline QString getNewMediaPath() {
		return _preparedList.files.empty()
			? QString()
			: _preparedList.files.front().path;
	}

	const not_null<Window::SessionController*> _controller;

	FullMsgId _msgId;
	std::shared_ptr<Data::PhotoMedia> _photoMedia;
	std::shared_ptr<Data::DocumentMedia> _documentMedia;
	bool _thumbnailImageLoaded = false;
	Fn<void()> _refreshThumbnail;
	bool _animated = false;
	bool _photo = false;
	bool _doc = false;

	QPixmap _thumb;
	std::unique_ptr<::Media::Streaming::Instance> _streamed;

	object_ptr<Ui::InputField> _field = { nullptr };
	object_ptr<Ui::EmojiButton> _emojiToggle = { nullptr };
	base::unique_qptr<ChatHelpers::TabbedPanel> _emojiPanel;
	base::unique_qptr<QObject> _emojiFilter;

	int _thumbx = 0;
	int _thumbw = 0;
	int _thumbh = 0;
	Ui::Text::String _name;
	QString _status;
	bool _isAudio = false;
	bool _isImage = false;

	int _gifw = 0;
	int _gifh = 0;
	int _gifx = 0;

	Storage::PreparedList _preparedList;

	mtpRequestId _saveRequestId = 0;

	object_ptr<Ui::IconButton> _editMedia = nullptr;
	Ui::SlideWrap<Ui::RpWidget> *_wayWrap = nullptr;
	QString _newMediaPath;
	bool _isAllowedEditMedia = false;
	bool _isAlbum = false;
	bool _asFile = false;
	rpl::event_stream<> _editMediaClicks;

	QString _error;

};