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tdlib-fork/td/telegram/PhotoSizeSource.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/DialogId.h"
#include "td/telegram/files/FileType.h"
#include "td/telegram/telegram_api.h"
#include "td/utils/common.h"
#include "td/utils/Variant.h"
namespace td {
struct PhotoSizeSource {
enum class Type : int32 { Legacy, Thumbnail, DialogPhotoSmall, DialogPhotoBig, StickerSetThumbnail };
// for legacy photos with secret
struct Legacy {
Legacy() = default;
explicit Legacy(int64 secret) : secret(secret) {
}
int64 secret = 0;
};
// for photos, document thumbnails, encrypted thumbnails
struct Thumbnail {
Thumbnail() = default;
Thumbnail(FileType file_type, int32 thumbnail_type) : file_type(file_type), thumbnail_type(thumbnail_type) {
}
FileType file_type;
int32 thumbnail_type = 0;
};
// for dialog photos
struct DialogPhoto {
DialogPhoto() = default;
DialogPhoto(DialogId dialog_id, int64 dialog_access_hash)
: dialog_id(dialog_id), dialog_access_hash(dialog_access_hash) {
}
tl_object_ptr<telegram_api::InputPeer> get_input_peer() const;
DialogId dialog_id;
int64 dialog_access_hash = 0;
};
struct DialogPhotoSmall : public DialogPhoto {
using DialogPhoto::DialogPhoto;
};
struct DialogPhotoBig : public DialogPhoto {
using DialogPhoto::DialogPhoto;
};
// for sticker set thumbnails
struct StickerSetThumbnail {
int64 sticker_set_id = 0;
int64 sticker_set_access_hash = 0;
StickerSetThumbnail() = default;
StickerSetThumbnail(int64 sticker_set_id, int64 sticker_set_access_hash)
: sticker_set_id(sticker_set_id), sticker_set_access_hash(sticker_set_access_hash) {
}
tl_object_ptr<telegram_api::InputStickerSet> get_input_sticker_set() const {
return make_tl_object<telegram_api::inputStickerSetID>(sticker_set_id, sticker_set_access_hash);
}
};
PhotoSizeSource() = default;
explicit PhotoSizeSource(int64 secret) : variant(Legacy(secret)) {
}
PhotoSizeSource(FileType file_type, int32 thumbnail_type) : variant(Thumbnail(file_type, thumbnail_type)) {
}
PhotoSizeSource(DialogId dialog_id, int64 dialog_access_hash, bool is_big) {
if (is_big) {
variant = DialogPhotoBig(dialog_id, dialog_access_hash);
} else {
variant = DialogPhotoSmall(dialog_id, dialog_access_hash);
}
}
PhotoSizeSource(int64 sticker_set_id, int64 sticker_set_access_hash)
: variant(StickerSetThumbnail(sticker_set_id, sticker_set_access_hash)) {
}
Type get_type() const {
auto offset = variant.get_offset();
CHECK(offset >= 0);
return static_cast<Type>(offset);
}
FileType get_file_type() const;
Thumbnail &thumbnail() {
return variant.get<Thumbnail>();
}
const Legacy &legacy() const {
return variant.get<Legacy>();
}
const Thumbnail &thumbnail() const {
return variant.get<Thumbnail>();
}
const DialogPhoto &dialog_photo() const {
if (variant.get_offset() == 2) {
return variant.get<DialogPhotoSmall>();
} else {
return variant.get<DialogPhotoBig>();
}
}
const StickerSetThumbnail &sticker_set_thumbnail() const {
return variant.get<StickerSetThumbnail>();
}
template <class StorerT>
void store(StorerT &storer) const;
template <class ParserT>
void parse(ParserT &parser);
private:
Variant<Legacy, Thumbnail, DialogPhotoSmall, DialogPhotoBig, StickerSetThumbnail> variant;
};
bool operator==(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
bool operator!=(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
} // namespace td