wtf/gobject/GRefPtr.cpp

   1 /*
   2  * Copyright (C) 2009 Martin Robinson
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2 of the License, or (at your option) any later version.
   8  *
   9  *  This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Lesser General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Lesser General Public
  15  *  License along with this library; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #include "config.h"
  20 #include "GRefPtr.h"
  21
  22 #if ENABLE(GLIB_SUPPORT)
  23
  24 #include <glib.h>
  25
  26 namespace WTF {
  27
  28 template <> GHashTable* refGPtr(GHashTable* ptr)
  29 {
  30     if (ptr)
  31         g_hash_table_ref(ptr);
  32     return ptr;
  33 }
  34
  35 template <> void derefGPtr(GHashTable* ptr)
  36 {
  37     g_hash_table_unref(ptr);
  38 }
  39
  40 #if GLIB_CHECK_VERSION(2, 24, 0)
  41 template <> GVariant* refGPtr(GVariant* ptr)
  42 {
  43     if (ptr)
  44         g_variant_ref(ptr);
  45     return ptr;
  46 }
  47
  48 template <> void derefGPtr(GVariant* ptr)
  49 {
  50     g_variant_unref(ptr);
  51 }
  52
  53 #else
  54
  55 // We do this so that we can avoid including the glib.h header in GRefPtr.h.
  56 typedef struct _GVariant {
  57     bool fake;
  58 } GVariant;
  59
  60 template <> GVariant* refGPtr(GVariant* ptr)
  61 {
  62     return ptr;
  63 }
  64
  65 template <> void derefGPtr(GVariant* ptr)
  66 {
  67 }
  68
  69 #endif
  70
  71 template <> GSource* refGPtr(GSource* ptr)
  72 {
  73     if (ptr)
  74         g_source_ref(ptr);
  75     return ptr;
  76 }
  77
  78 template <> void derefGPtr(GSource* ptr)
  79 {
  80     if (ptr)
  81         g_source_unref(ptr);
  82 }
  83
  84 } // namespace WTF
  85
  86 #endif // ENABLE(GLIB_SUPPORT)