tdlight/td/telegram/PhotoSizeSource.h

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//
2021-01-01 13:57:46 +01:00
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// 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/StringBuilder.h"
#include "td/utils/Variant.h"
namespace td {
struct PhotoSizeSource {
enum class Type : int32 {
Legacy,
Thumbnail,
DialogPhotoSmall,
DialogPhotoBig,
StickerSetThumbnail,
FullLegacy,
DialogPhotoSmallLegacy,
DialogPhotoBigLegacy,
StickerSetThumbnailLegacy,
StickerSetThumbnailVersion
};
// 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 final : public DialogPhoto {
using DialogPhoto::DialogPhoto;
};
struct DialogPhotoBig final : 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);
}
};
// for legacy photos with volume_id, local_id, secret
struct FullLegacy {
FullLegacy() = default;
FullLegacy(int64 volume_id, int32 local_id, int64 secret)
: volume_id(volume_id), local_id(local_id), secret(secret) {
}
int64 volume_id = 0;
int32 local_id = 0;
int64 secret = 0;
};
// for legacy dialog photos
struct DialogPhotoLegacy : public DialogPhoto {
DialogPhotoLegacy() = default;
DialogPhotoLegacy(DialogId dialog_id, int64 dialog_access_hash, int64 volume_id, int32 local_id)
: DialogPhoto(dialog_id, dialog_access_hash), volume_id(volume_id), local_id(local_id) {
}
int64 volume_id = 0;
int32 local_id = 0;
};
struct DialogPhotoSmallLegacy final : public DialogPhotoLegacy {
using DialogPhotoLegacy::DialogPhotoLegacy;
};
struct DialogPhotoBigLegacy final : public DialogPhotoLegacy {
using DialogPhotoLegacy::DialogPhotoLegacy;
};
// for legacy sticker set thumbnails
struct StickerSetThumbnailLegacy final : public StickerSetThumbnail {
StickerSetThumbnailLegacy() = default;
StickerSetThumbnailLegacy(int64 sticker_set_id, int64 sticker_set_access_hash, int64 volume_id, int32 local_id)
: StickerSetThumbnail(sticker_set_id, sticker_set_access_hash), volume_id(volume_id), local_id(local_id) {
}
int64 volume_id = 0;
int32 local_id = 0;
};
// for sticker set thumbnails identified by version
struct StickerSetThumbnailVersion final : public StickerSetThumbnail {
StickerSetThumbnailVersion() = default;
StickerSetThumbnailVersion(int64 sticker_set_id, int64 sticker_set_access_hash, int32 version)
: StickerSetThumbnail(sticker_set_id, sticker_set_access_hash), version(version) {
}
int32 version = 0;
};
PhotoSizeSource() = default;
static PhotoSizeSource thumbnail(FileType file_type, int32 thumbnail_type) {
return PhotoSizeSource(Thumbnail(file_type, thumbnail_type));
}
static PhotoSizeSource dialog_photo(DialogId dialog_id, int64 dialog_access_hash, bool is_big) {
if (is_big) {
return PhotoSizeSource(DialogPhotoBig(dialog_id, dialog_access_hash));
} else {
return PhotoSizeSource(DialogPhotoSmall(dialog_id, dialog_access_hash));
}
}
static PhotoSizeSource sticker_set_thumbnail(int64 sticker_set_id, int64 sticker_set_access_hash) {
return PhotoSizeSource(StickerSetThumbnail(sticker_set_id, sticker_set_access_hash));
}
static PhotoSizeSource full_legacy(int64 volume_id, int32 local_id, int64 secret) {
return PhotoSizeSource(FullLegacy(volume_id, local_id, secret));
}
static PhotoSizeSource dialog_photo_legacy(DialogId dialog_id, int64 dialog_access_hash, bool is_big, int64 volume_id,
int32 local_id) {
if (is_big) {
return PhotoSizeSource(DialogPhotoBigLegacy(dialog_id, dialog_access_hash, volume_id, local_id));
} else {
return PhotoSizeSource(DialogPhotoSmallLegacy(dialog_id, dialog_access_hash, volume_id, local_id));
}
}
static PhotoSizeSource sticker_set_thumbnail_legacy(int64 sticker_set_id, int64 sticker_set_access_hash,
int64 volume_id, int32 local_id) {
return PhotoSizeSource(StickerSetThumbnailLegacy(sticker_set_id, sticker_set_access_hash, volume_id, local_id));
}
static PhotoSizeSource sticker_set_thumbnail(int64 sticker_set_id, int64 sticker_set_access_hash, int32 version) {
return PhotoSizeSource(StickerSetThumbnailVersion(sticker_set_id, sticker_set_access_hash, version));
}
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 {
switch (variant_.get_offset()) {
case 2:
return variant_.get<DialogPhotoSmall>();
case 3:
return variant_.get<DialogPhotoBig>();
case 6:
return variant_.get<DialogPhotoSmallLegacy>();
case 7:
return variant_.get<DialogPhotoBigLegacy>();
default:
UNREACHABLE();
return variant_.get<DialogPhotoSmall>();
}
}
const StickerSetThumbnail &sticker_set_thumbnail() const {
switch (variant_.get_offset()) {
case 4:
return variant_.get<StickerSetThumbnail>();
case 8:
return variant_.get<StickerSetThumbnailLegacy>();
case 9:
return variant_.get<StickerSetThumbnailVersion>();
default:
UNREACHABLE();
return variant_.get<StickerSetThumbnail>();
}
}
const FullLegacy &full_legacy() const {
return variant_.get<FullLegacy>();
}
const DialogPhotoLegacy &dialog_photo_legacy() const {
if (variant_.get_offset() == 6) {
return variant_.get<DialogPhotoSmallLegacy>();
} else {
return variant_.get<DialogPhotoBigLegacy>();
}
}
const StickerSetThumbnailLegacy &sticker_set_thumbnail_legacy() const {
return variant_.get<StickerSetThumbnailLegacy>();
}
const StickerSetThumbnailVersion &sticker_set_thumbnail_version() const {
return variant_.get<StickerSetThumbnailVersion>();
}
// returns unique representation of the source
string get_unique() const;
// can't be called for Legacy sources
string get_unique_name(int64 photo_id) const;
template <class StorerT>
void store(StorerT &storer) const;
template <class ParserT>
void parse(ParserT &parser);
friend bool operator==(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
private:
Variant<Legacy, Thumbnail, DialogPhotoSmall, DialogPhotoBig, StickerSetThumbnail, FullLegacy, DialogPhotoSmallLegacy,
DialogPhotoBigLegacy, StickerSetThumbnailLegacy, StickerSetThumbnailVersion>
variant_;
template <class T>
explicit PhotoSizeSource(const T &variant) : variant_(variant) {
}
};
bool operator==(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
bool operator!=(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
StringBuilder &operator<<(StringBuilder &string_builder, const PhotoSizeSource &source);
} // namespace td