Rename namespace gtk_tree_util to gtk_tree which is shorter.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/160431

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22318 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 36 insertions, 0 deletions

diff --git a/chrome/common/gtk_tree.cc b/chrome/common/gtk_tree.cc
new file mode 100644
index 0000000..fafee0f
--- /dev/null
+++ b/chrome/common/gtk_tree.cc
@@ -0,0 +1,36 @@
+// Copyright (c) 2009 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.
+
+#include "chrome/common/gtk_tree.h"
+
+#include "base/logging.h"
+
+namespace gtk_tree {
+
+gint GetRowNumForPath(GtkTreePath* path) {
+  gint* indices = gtk_tree_path_get_indices(path);
+  if (!indices) {
+    NOTREACHED();
+    return -1;
+  }
+  return indices[0];
+}
+
+gint GetRowNumForIter(GtkTreeModel* model, GtkTreeIter* iter) {
+  GtkTreePath* path = gtk_tree_model_get_path(model, iter);
+  int row = GetRowNumForPath(path);
+  gtk_tree_path_free(path);
+  return row;
+}
+
+gint GetTreeSortChildRowNumForPath(GtkTreeModel* sort_model,
+                                   GtkTreePath* sort_path) {
+  GtkTreePath *child_path = gtk_tree_model_sort_convert_path_to_child_path(
+      GTK_TREE_MODEL_SORT(sort_model), sort_path);
+  int row = GetRowNumForPath(child_path);
+  gtk_tree_path_free(child_path);
+  return row;
+}
+
+}  // namespace gtk_tree