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/*
* Copyright 2022 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_PORTAL_SCOPED_GLIB_H_
#define MODULES_PORTAL_SCOPED_GLIB_H_
#include <gio/gio.h>
#include "rtc_base/checks.h"
#include "rtc_base/system/rtc_export_template.h"
namespace webrtc {
template <class T>
class Scoped {
public:
Scoped() {}
explicit Scoped(T* val) { ptr_ = val; }
~Scoped() { RTC_DCHECK_NOTREACHED(); }
T* operator->() const { return ptr_; }
explicit operator bool() const { return ptr_ != nullptr; }
bool operator!() const { return ptr_ == nullptr; }
T* get() const { return ptr_; }
T** receive() {
RTC_CHECK(!ptr_);
return &ptr_;
}
Scoped& operator=(T* val) {
RTC_DCHECK(val);
ptr_ = val;
return *this;
}
protected:
T* ptr_ = nullptr;
};
template <>
Scoped<GError>::~Scoped();
template <>
Scoped<char>::~Scoped();
template <>
Scoped<GVariant>::~Scoped();
template <>
Scoped<GVariantIter>::~Scoped();
template <>
Scoped<GDBusMessage>::~Scoped();
template <>
Scoped<GUnixFDList>::~Scoped();
extern template class RTC_EXPORT_TEMPLATE_DECLARE(RTC_EXPORT) Scoped<GError>;
extern template class RTC_EXPORT_TEMPLATE_DECLARE(RTC_EXPORT) Scoped<char>;
extern template class RTC_EXPORT_TEMPLATE_DECLARE(RTC_EXPORT) Scoped<GVariant>;
extern template class RTC_EXPORT_TEMPLATE_DECLARE(
RTC_EXPORT) Scoped<GVariantIter>;
extern template class RTC_EXPORT_TEMPLATE_DECLARE(
RTC_EXPORT) Scoped<GDBusMessage>;
extern template class RTC_EXPORT_TEMPLATE_DECLARE(
RTC_EXPORT) Scoped<GUnixFDList>;
} // namespace webrtc
#endif // MODULES_PORTAL_SCOPED_GLIB_H_
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