tdesktop/Telegram/SourceFiles/data/data_document.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "data/data_types.h"
inline uint64 mediaMix32To64(int32 a, int32 b) {
return (uint64(*reinterpret_cast<uint32*>(&a)) << 32)
| uint64(*reinterpret_cast<uint32*>(&b));
}
// Old method, should not be used anymore.
//inline MediaKey mediaKey(LocationType type, int32 dc, const uint64 &id) {
// return MediaKey(mediaMix32To64(type, dc), id);
//}
// New method when version was introduced, type is not relevant anymore (all files are Documents).
inline MediaKey mediaKey(
LocationType type,
int32 dc,
const uint64 &id,
int32 version) {
return (version > 0) ? MediaKey(mediaMix32To64(version, dc), id) : MediaKey(mediaMix32To64(type, dc), id);
}
inline StorageKey mediaKey(const MTPDfileLocation &location) {
return storageKey(
location.vdc_id.v,
location.vvolume_id.v,
location.vlocal_id.v);
}
struct DocumentAdditionalData {
virtual ~DocumentAdditionalData() = default;
};
struct StickerData : public DocumentAdditionalData {
ImagePtr img;
QString alt;
MTPInputStickerSet set = MTP_inputStickerSetEmpty();
bool setInstalled() const;
StorageImageLocation loc; // doc thumb location
};
struct SongData : public DocumentAdditionalData {
int32 duration = 0;
QString title, performer;
};
struct VoiceData : public DocumentAdditionalData {
~VoiceData();
int duration = 0;
VoiceWaveform waveform;
char wavemax = 0;
};
bool fileIsImage(const QString &name, const QString &mime);
namespace Serialize {
class Document;
} // namespace Serialize;
class DocumentData {
public:
static DocumentData *create(DocumentId id);
static DocumentData *create(
DocumentId id,
int32 dc,
uint64 accessHash,
int32 version,
const QVector<MTPDocumentAttribute> &attributes);
static DocumentData *create(
DocumentId id,
const QString &url,
const QVector<MTPDocumentAttribute> &attributes);
void setattributes(
const QVector<MTPDocumentAttribute> &attributes);
void automaticLoad(const HistoryItem *item); // auto load sticker or video
void automaticLoadSettingsChanged();
enum FilePathResolveType {
FilePathResolveCached,
FilePathResolveChecked,
FilePathResolveSaveFromData,
FilePathResolveSaveFromDataSilent,
};
bool loaded(
FilePathResolveType type = FilePathResolveCached) const;
bool loading() const;
QString loadingFilePath() const;
bool displayLoading() const;
void save(
const QString &toFile,
ActionOnLoad action = ActionOnLoadNone,
const FullMsgId &actionMsgId = FullMsgId(),
LoadFromCloudSetting fromCloud = LoadFromCloudOrLocal,
bool autoLoading = false);
void cancel();
float64 progress() const;
int32 loadOffset() const;
bool uploading() const;
QByteArray data() const;
const FileLocation &location(bool check = false) const;
void setLocation(const FileLocation &loc);
QString filepath(
FilePathResolveType type = FilePathResolveCached,
bool forceSavingAs = false) const;
bool saveToCache() const;
void performActionOnLoad();
void forget();
ImagePtr makeReplyPreview();
StickerData *sticker() {
return (type == StickerDocument)
? static_cast<StickerData*>(_additional.get())
: nullptr;
}
void checkSticker() {
StickerData *s = sticker();
if (!s) return;
automaticLoad(nullptr);
if (s->img->isNull() && loaded()) {
if (_data.isEmpty()) {
const FileLocation &loc(location(true));
if (loc.accessEnable()) {
s->img = ImagePtr(loc.name());
loc.accessDisable();
}
} else {
s->img = ImagePtr(_data);
}
}
}
SongData *song() {
return (type == SongDocument)
? static_cast<SongData*>(_additional.get())
: nullptr;
}
const SongData *song() const {
return const_cast<DocumentData*>(this)->song();
}
VoiceData *voice() {
return (type == VoiceDocument)
? static_cast<VoiceData*>(_additional.get())
: nullptr;
}
const VoiceData *voice() const {
return const_cast<DocumentData*>(this)->voice();
}
bool isRoundVideo() const {
return (type == RoundVideoDocument);
}
bool isAnimation() const {
return (type == AnimatedDocument)
|| isRoundVideo()
|| hasMimeType(qstr("image/gif"));
}
bool isGifv() const {
return (type == AnimatedDocument)
&& hasMimeType(qstr("video/mp4"));
}
bool isTheme() const {
return
_filename.endsWith(
qstr(".tdesktop-theme"),
Qt::CaseInsensitive)
|| _filename.endsWith(
qstr(".tdesktop-palette"),
Qt::CaseInsensitive);
}
bool tryPlaySong() const {
return (song() != nullptr)
|| _mimeString.startsWith(
qstr("audio/"),
Qt::CaseInsensitive);
}
bool isMusic() const {
if (auto s = song()) {
return (s->duration > 0);
}
return false;
}
bool isVideo() const {
return (type == VideoDocument);
}
int32 duration() const {
return (isAnimation() || isVideo()) ? _duration : -1;
}
bool isImage() const {
return !isAnimation() && !isVideo() && (_duration > 0);
}
void recountIsImage();
void setData(const QByteArray &data) {
_data = data;
}
bool setRemoteVersion(int32 version); // Returns true if version has changed.
void setRemoteLocation(int32 dc, uint64 access);
void setContentUrl(const QString &url);
bool hasRemoteLocation() const {
return (_dc != 0 && _access != 0);
}
bool isValid() const {
return hasRemoteLocation() || !_url.isEmpty();
}
MTPInputDocument mtpInput() const {
if (_access) {
return MTP_inputDocument(
MTP_long(id),
MTP_long(_access));
}
return MTP_inputDocumentEmpty();
}
// When we have some client-side generated document
// (for example for displaying an external inline bot result)
// and it has downloaded data, we can collect that data from it
// to (this) received from the server "same" document.
void collectLocalData(DocumentData *local);
QString filename() const {
return _filename;
}
QString mimeString() const {
return _mimeString;
}
bool hasMimeType(QLatin1String mime) const {
return !_mimeString.compare(mime, Qt::CaseInsensitive);
}
void setMimeString(const QString &mime) {
_mimeString = mime;
}
~DocumentData();
DocumentId id = 0;
DocumentType type = FileDocument;
QSize dimensions;
int32 date = 0;
ImagePtr thumb, replyPreview;
int32 size = 0;
FileStatus status = FileReady;
int32 uploadOffset = 0;
int32 md5[8];
MediaKey mediaKey() const {
return ::mediaKey(locationType(), _dc, id, _version);
}
static QString ComposeNameString(
const QString &filename,
const QString &songTitle,
const QString &songPerformer);
QString composeNameString() const {
if (auto songData = song()) {
return ComposeNameString(
_filename,
songData->title,
songData->performer);
}
return ComposeNameString(_filename, QString(), QString());
}
private:
DocumentData(
DocumentId id,
int32 dc,
uint64 accessHash,
int32 version,
const QString &url,
const QVector<MTPDocumentAttribute> &attributes);
friend class Serialize::Document;
LocationType locationType() const {
return voice()
? AudioFileLocation
: isVideo()
? VideoFileLocation
: DocumentFileLocation;
}
// Two types of location: from MTProto by dc+access+version or from web by url
int32 _dc = 0;
uint64 _access = 0;
int32 _version = 0;
QString _url;
QString _filename;
QString _mimeString;
FileLocation _location;
QByteArray _data;
std::unique_ptr<DocumentAdditionalData> _additional;
int32 _duration = -1;
ActionOnLoad _actionOnLoad = ActionOnLoadNone;
FullMsgId _actionOnLoadMsgId;
mutable FileLoader *_loader = nullptr;
void notifyLayoutChanged() const;
void destroyLoaderDelayed(
mtpFileLoader *newValue = nullptr) const;
};
VoiceWaveform documentWaveformDecode(const QByteArray &encoded5bit);
QByteArray documentWaveformEncode5bit(const VoiceWaveform &waveform);
class DocumentClickHandler : public LeftButtonClickHandler {
public:
DocumentClickHandler(DocumentData *document)
: _document(document) {
}
DocumentData *document() const {
return _document;
}
private:
DocumentData *_document;
};
class DocumentSaveClickHandler : public DocumentClickHandler {
public:
using DocumentClickHandler::DocumentClickHandler;
static void doSave(
DocumentData *document,
bool forceSavingAs = false);
protected:
void onClickImpl() const override;
};
class DocumentOpenClickHandler : public DocumentClickHandler {
public:
using DocumentClickHandler::DocumentClickHandler;
static void doOpen(
DocumentData *document,
HistoryItem *context,
ActionOnLoad action = ActionOnLoadOpen);
protected:
void onClickImpl() const override;
};
class DocumentCancelClickHandler : public DocumentClickHandler {
public:
using DocumentClickHandler::DocumentClickHandler;
protected:
void onClickImpl() const override;
};
class GifOpenClickHandler : public DocumentOpenClickHandler {
public:
using DocumentOpenClickHandler::DocumentOpenClickHandler;
protected:
void onClickImpl() const override;
};
class VoiceSeekClickHandler : public DocumentOpenClickHandler {
public:
using DocumentOpenClickHandler::DocumentOpenClickHandler;
protected:
void onClickImpl() const override {
}
};
QString saveFileName(
const QString &title,
const QString &filter,
const QString &prefix,
QString name,
bool savingAs,
const QDir &dir = QDir());