tdesktop/Telegram/SourceFiles/media/media_clip_implementation.cpp

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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
*/
#include "media/media_clip_implementation.h"
namespace Media {
namespace Clip {
namespace internal {
void ReaderImplementation::initDevice() {
if (_data->isEmpty()) {
if (_file.isOpen()) _file.close();
_file.setFileName(_location->name());
_dataSize = _file.size();
} else {
if (_buffer.isOpen()) _buffer.close();
_buffer.setBuffer(_data);
_dataSize = _data->size();
}
_device = _data->isEmpty() ? static_cast<QIODevice*>(&_file) : static_cast<QIODevice*>(&_buffer);
}
} // namespace internal
} // namespace Clip
} // namespace Media