138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/telegram/DialogId.h"
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#include "td/telegram/files/FileType.h"
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#include "td/telegram/telegram_api.h"
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#include "td/utils/common.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/Variant.h"
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namespace td {
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struct PhotoSizeSource {
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enum class Type : int32 { Legacy, Thumbnail, DialogPhotoSmall, DialogPhotoBig, StickerSetThumbnail };
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// for legacy photos with secret
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struct Legacy {
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Legacy() = default;
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explicit Legacy(int64 secret) : secret(secret) {
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}
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int64 secret = 0;
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};
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// for photos, document thumbnails, encrypted thumbnails
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struct Thumbnail {
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Thumbnail() = default;
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Thumbnail(FileType file_type, int32 thumbnail_type) : file_type(file_type), thumbnail_type(thumbnail_type) {
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}
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FileType file_type;
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int32 thumbnail_type = 0;
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};
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// for dialog photos
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struct DialogPhoto {
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DialogPhoto() = default;
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DialogPhoto(DialogId dialog_id, int64 dialog_access_hash)
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: dialog_id(dialog_id), dialog_access_hash(dialog_access_hash) {
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}
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tl_object_ptr<telegram_api::InputPeer> get_input_peer() const;
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DialogId dialog_id;
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int64 dialog_access_hash = 0;
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};
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struct DialogPhotoSmall : public DialogPhoto {
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using DialogPhoto::DialogPhoto;
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};
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struct DialogPhotoBig : public DialogPhoto {
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using DialogPhoto::DialogPhoto;
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};
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// for sticker set thumbnails
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struct StickerSetThumbnail {
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int64 sticker_set_id = 0;
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int64 sticker_set_access_hash = 0;
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StickerSetThumbnail() = default;
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StickerSetThumbnail(int64 sticker_set_id, int64 sticker_set_access_hash)
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: sticker_set_id(sticker_set_id), sticker_set_access_hash(sticker_set_access_hash) {
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}
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tl_object_ptr<telegram_api::InputStickerSet> get_input_sticker_set() const {
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return make_tl_object<telegram_api::inputStickerSetID>(sticker_set_id, sticker_set_access_hash);
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}
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};
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PhotoSizeSource() = default;
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explicit PhotoSizeSource(int64 secret) : variant(Legacy(secret)) {
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}
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PhotoSizeSource(FileType file_type, int32 thumbnail_type) : variant(Thumbnail(file_type, thumbnail_type)) {
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}
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PhotoSizeSource(DialogId dialog_id, int64 dialog_access_hash, bool is_big) {
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if (is_big) {
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variant = DialogPhotoBig(dialog_id, dialog_access_hash);
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} else {
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variant = DialogPhotoSmall(dialog_id, dialog_access_hash);
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}
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}
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PhotoSizeSource(int64 sticker_set_id, int64 sticker_set_access_hash)
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: variant(StickerSetThumbnail(sticker_set_id, sticker_set_access_hash)) {
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}
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Type get_type() const {
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auto offset = variant.get_offset();
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CHECK(offset >= 0);
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return static_cast<Type>(offset);
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}
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FileType get_file_type() const;
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Thumbnail &thumbnail() {
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return variant.get<Thumbnail>();
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}
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const Legacy &legacy() const {
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return variant.get<Legacy>();
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}
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const Thumbnail &thumbnail() const {
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return variant.get<Thumbnail>();
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}
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const DialogPhoto &dialog_photo() const {
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if (variant.get_offset() == 2) {
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return variant.get<DialogPhotoSmall>();
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} else {
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return variant.get<DialogPhotoBig>();
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}
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}
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const StickerSetThumbnail &sticker_set_thumbnail() const {
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return variant.get<StickerSetThumbnail>();
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}
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template <class StorerT>
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void store(StorerT &storer) const;
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template <class ParserT>
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void parse(ParserT &parser);
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private:
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Variant<Legacy, Thumbnail, DialogPhotoSmall, DialogPhotoBig, StickerSetThumbnail> variant;
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};
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bool operator==(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
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bool operator!=(const PhotoSizeSource &lhs, const PhotoSizeSource &rhs);
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StringBuilder &operator<<(StringBuilder &string_builder, const PhotoSizeSource &source);
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} // namespace td
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