Repo created

TMessagesProj/jni/voip/webrtc/modules/portal/scoped_glib.h

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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_