// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GFX_SCOPED_GOBJECT_H_
#define UI_GFX_SCOPED_GOBJECT_H_
#include <glib-object.h>
#include "base/memory/scoped_ptr.h"
namespace ui {
// It's not legal C++ to have a templatized typedefs, so we wrap it in a
// struct. When using this, you need to include ::Type. E.g.,
// ScopedGObject<GdkPixbufLoader>::Type loader(gdk_pixbuf_loader_new());
template<class T>
struct ScopedGObject {
// A helper class that will g_object_unref |p| when it goes out of scope.
// This never adds a ref, it only unrefs.
template<class U>
struct GObjectUnrefer {
void operator()(U* ptr) const {
if (ptr)
g_object_unref(ptr);
}
};
typedef scoped_ptr<T, GObjectUnrefer<T> > Type;
};
} // namespace ui
#endif // UI_GFX_SCOPED_GOBJECT_H_