widget/gtk/GUniquePtr.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GUniquePtr_h_
   7 #define GUniquePtr_h_
   8
   9 // Provides GUniquePtr to g_free a given pointer.
  10
  11 #include <glib.h>
  12 #include <gtk/gtk.h>
  13 #include "mozilla/UniquePtr.h"
  14
  15 namespace mozilla {
  16
  17 struct GFreeDeleter {
  18   constexpr GFreeDeleter() = default;
  19   void operator()(GdkEventCrossing* aPtr) const {
  20     gdk_event_free((GdkEvent*)aPtr);
  21   }
  22   void operator()(GdkEventKey* aPtr) const { gdk_event_free((GdkEvent*)aPtr); }
  23   void operator()(GdkEvent* aPtr) const { gdk_event_free(aPtr); }
  24   void operator()(GError* aPtr) const { g_error_free(aPtr); }
  25   void operator()(void* aPtr) const { g_free(aPtr); }
  26   void operator()(GtkPaperSize* aPtr) const { gtk_paper_size_free(aPtr); }
  27   void operator()(gchar** aPtr) const { g_strfreev(aPtr); }
  28 };
  29
  30 template <typename T>
  31 using GUniquePtr = UniquePtr<T, GFreeDeleter>;
  32
  33 }  // namespace mozilla
  34
  35 #endif