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

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+/*
+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 "editor/photo_editor_common.h"
+#include "ui/chat/attach/attach_send_files_way.h"
+#include "ui/rect_part.h"
+
+#include <QtCore/QSemaphore>
+#include <deque>
+
+namespace Ui {
+
+class RpWidget;
+class SendFilesWay;
+
+struct PreparedFileInformation {
+	struct Image {
+		QImage data;
+		QByteArray bytes;
+		QByteArray format;
+		bool animated = false;
+		Editor::PhotoModifications modifications;
+	};
+	struct Song {
+		crl::time duration = -1;
+		QString title;
+		QString performer;
+		QImage cover;
+	};
+	struct Video {
+		bool isGifv = false;
+		bool isWebmSticker = false;
+		bool supportsStreaming = false;
+		crl::time duration = -1;
+		QImage thumbnail;
+	};
+
+	QString filemime;
+	std::variant<v::null_t, Image, Song, Video> media;
+};
+
+enum class AlbumType {
+	None,
+	PhotoVideo,
+	Music,
+	File,
+};
+
+struct PreparedFile {
+	// File-s can be grouped if 'groupFiles'.
+	// File-s + Photo-s can be grouped if 'groupFiles && !sendImagesAsPhotos'.
+	// Photo-s can be grouped if 'groupFiles'.
+	// Photo-s + Video-s can be grouped if 'groupFiles && sendImagesAsPhotos'.
+	// Video-s can be grouped if 'groupFiles'.
+	// Music-s can be grouped if 'groupFiles'.
+	enum class Type {
+		None,
+		Photo,
+		Video,
+		Music,
+		File,
+	};
+
+	PreparedFile(const QString &path);
+	PreparedFile(PreparedFile &&other);
+	PreparedFile &operator=(PreparedFile &&other);
+	~PreparedFile();
+
+	[[nodiscard]] bool canBeInAlbumType(AlbumType album) const;
+	[[nodiscard]] AlbumType albumType(bool sendImagesAsPhotos) const;
+	[[nodiscard]] bool isSticker() const;
+	[[nodiscard]] bool isVideoFile() const;
+	[[nodiscard]] bool isGifv() const;
+
+	QString path;
+	QByteArray content;
+	int64 size = 0;
+	std::unique_ptr<PreparedFileInformation> information;
+	std::unique_ptr<PreparedFile> videoCover;
+	QImage preview;
+	QSize shownDimensions;
+	QSize originalDimensions;
+	Type type = Type::File;
+	bool spoiler = false;
+};
+
+[[nodiscard]] bool CanBeInAlbumType(PreparedFile::Type type, AlbumType album);
+[[nodiscard]] bool InsertTextOnImageCancel(const QString &text);
+
+struct PreparedList {
+	enum class Error {
+		None,
+		NonLocalUrl,
+		Directory,
+		EmptyFile,
+		TooLargeFile,
+	};
+
+	PreparedList() = default;
+	PreparedList(Error error, QString errorData)
+	: error(error)
+	, errorData(errorData) {
+	}
+	PreparedList(PreparedList &&other) = default;
+	PreparedList &operator=(PreparedList &&other) = default;
+
+	[[nodiscard]] static PreparedList Reordered(
+		PreparedList &&list,
+		std::vector<int> order);
+	void mergeToEnd(PreparedList &&other, bool cutToAlbumSize = false);
+
+	[[nodiscard]] bool canAddCaption(bool sendingAlbum, bool compress) const;
+	[[nodiscard]] bool canMoveCaption(
+		bool sendingAlbum,
+		bool compress) const;
+	[[nodiscard]] bool canChangePrice(
+		bool sendingAlbum,
+		bool compress) const;
+	[[nodiscard]] bool canBeSentInSlowmode() const;
+	[[nodiscard]] bool canBeSentInSlowmodeWith(
+		const PreparedList &other) const;
+
+	[[nodiscard]] bool hasGroupOption(bool slowmode) const;
+	[[nodiscard]] bool hasSendImagesAsPhotosOption(bool slowmode) const;
+	[[nodiscard]] bool canHaveEditorHintLabel() const;
+	[[nodiscard]] bool hasSticker() const;
+	[[nodiscard]] bool hasSpoilerMenu(bool compress) const;
+
+	Error error = Error::None;
+	QString errorData;
+	std::vector<PreparedFile> files;
+	std::deque<PreparedFile> filesToProcess;
+	std::optional<bool> overrideSendImagesAsPhotos;
+};
+
+struct PreparedGroup {
+	PreparedList list;
+	AlbumType type = AlbumType::None;
+
+	[[nodiscard]] bool sentWithCaption() const {
+		return (list.files.size() == 1)
+			|| (type == AlbumType::PhotoVideo);
+	}
+};
+
+[[nodiscard]] std::vector<PreparedGroup> DivideByGroups(
+	PreparedList &&list,
+	SendFilesWay way,
+	bool slowmode);
+
+struct PreparedBundle {
+	std::vector<PreparedGroup> groups;
+	SendFilesWay way;
+	TextWithTags caption;
+	int totalCount = 0;
+	bool sendComment = false;
+	bool ctrlShiftEnter = false;
+};
+[[nodiscard]] std::shared_ptr<PreparedBundle> PrepareFilesBundle(
+	std::vector<PreparedGroup> groups,
+	SendFilesWay way,
+	TextWithTags caption,
+	bool ctrlShiftEnter);
+
+[[nodiscard]] int MaxAlbumItems();
+[[nodiscard]] bool ValidateThumbDimensions(int width, int height);
+
+[[nodiscard]] QPixmap PrepareSongCoverForThumbnail(QImage image, int size);
+
+[[nodiscard]] QPixmap BlurredPreviewFromPixmap(
+	QPixmap pixmap,
+	RectParts corners);
+
+} // namespace Ui