[evolution] Remove e_tree_model_has_save_id().

[Matthew Barnes <mbarnes src gnome org>]

commit 6ee6427afd6d158c62563c0f1bf6ba2067460dca
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Jun 15 20:13:11 2013 -0400

    Remove e_tree_model_has_save_id().
    
    It always returned TRUE.

 .../evolution-util/evolution-util-sections.txt     |    1 -
 e-util/e-tree-model.c                              |   21 --------------------
 e-util/e-tree-model.h                              |    2 -
 e-util/e-tree-selection-model.c                    |    1 -
 e-util/e-tree-table-adapter.c                      |    4 +--
 e-util/e-tree.c                                    |    3 +-
 mail/message-list.c                                |    7 ------
 7 files changed, 2 insertions(+), 37 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index b31f49d..b8f1f79 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -4295,7 +4295,6 @@ e_tree_model_node_get_n_children
 e_tree_model_node_depth
 e_tree_model_get_expanded_default
 e_tree_model_column_count
-e_tree_model_has_save_id
 e_tree_model_get_save_id
 e_tree_model_has_get_node_by_id
 e_tree_model_get_node_by_id
diff --git a/e-util/e-tree-model.c b/e-util/e-tree-model.c
index 6c41d80..881e82e 100644
--- a/e-util/e-tree-model.c
+++ b/e-util/e-tree-model.c
@@ -438,27 +438,6 @@ e_tree_model_column_count (ETreeModel *tree_model)
 }
 
 /**
- * e_tree_model_has_save_id
- * @tree_model: The ETreeModel.
- *
- * XXX docs here.
- *
- * return values: Whether this tree has valid save id data.
- */
-gboolean
-e_tree_model_has_save_id (ETreeModel *tree_model)
-{
-       ETreeModelInterface *interface;
-
-       g_return_val_if_fail (E_IS_TREE_MODEL (tree_model), FALSE);
-
-       interface = E_TREE_MODEL_GET_INTERFACE (tree_model);
-       g_return_val_if_fail (interface->has_save_id != NULL, FALSE);
-
-       return interface->has_save_id (tree_model);
-}
-
-/**
  * e_tree_model_get_save_id
  * @tree_model: The ETreeModel.
  * @path: The ETreePath.
diff --git a/e-util/e-tree-model.h b/e-util/e-tree-model.h
index fd54b81..4771304 100644
--- a/e-util/e-tree-model.h
+++ b/e-util/e-tree-model.h
@@ -73,7 +73,6 @@ struct _ETreeModelInterface {
        gboolean        (*get_expanded_default) (ETreeModel *tree_model);
        gint            (*column_count)         (ETreeModel *tree_model);
 
-       gboolean        (*has_save_id)          (ETreeModel *tree_model);
        gchar *         (*get_save_id)          (ETreeModel *tree_model,
                                                 ETreePath path);
 
@@ -164,7 +163,6 @@ guint               e_tree_model_node_depth         (ETreeModel *tree_model,
 gboolean       e_tree_model_get_expanded_default
                                                (ETreeModel *tree_model);
 gint           e_tree_model_column_count       (ETreeModel *tree_model);
-gboolean       e_tree_model_has_save_id        (ETreeModel *tree_model);
 gchar *                e_tree_model_get_save_id        (ETreeModel *tree_model,
                                                 ETreePath path);
 gboolean       e_tree_model_has_get_node_by_id (ETreeModel *tree_model);
diff --git a/e-util/e-tree-selection-model.c b/e-util/e-tree-selection-model.c
index b59c770..208d6ae 100644
--- a/e-util/e-tree-selection-model.c
+++ b/e-util/e-tree-selection-model.c
@@ -174,7 +174,6 @@ etsm_pre_change (ETreeModel *etm,
        etsm->priv->cursor_save_id = NULL;
 
        if (e_tree_model_has_get_node_by_id (etm) &&
-           e_tree_model_has_save_id (etm) &&
            etsm->priv->cursor_path) {
                etsm->priv->cursor_save_id = e_tree_model_get_save_id (
                        etm, etsm->priv->cursor_path);
diff --git a/e-util/e-tree-table-adapter.c b/e-util/e-tree-table-adapter.c
index 6a17d66..9262b40 100644
--- a/e-util/e-tree-table-adapter.c
+++ b/e-util/e-tree-table-adapter.c
@@ -610,9 +610,7 @@ etta_column_count (ETableModel *etm)
 static gboolean
 etta_has_save_id (ETableModel *etm)
 {
-       ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
-
-       return e_tree_model_has_save_id (etta->priv->source);
+       return TRUE;
 }
 
 static gchar *
diff --git a/e-util/e-tree.c b/e-util/e-tree.c
index 4ea3a4a..d5ec5ac 100644
--- a/e-util/e-tree.c
+++ b/e-util/e-tree.c
@@ -3175,8 +3175,7 @@ hover_timeout (gpointer data)
        path = e_tree_table_adapter_node_at_row (et->priv->etta, row);
        if (path && e_tree_model_node_is_expandable (et->priv->model, path)) {
                if (!e_tree_table_adapter_node_is_expanded (et->priv->etta, path)) {
-                       if (e_tree_model_has_save_id (et->priv->model) &&
-                               e_tree_model_has_get_node_by_id (et->priv->model))
+                       if (e_tree_model_has_get_node_by_id (et->priv->model))
                                et->priv->expanded_list = g_list_prepend (
                                        et->priv->expanded_list,
                                        e_tree_model_get_save_id (
diff --git a/mail/message-list.c b/mail/message-list.c
index 3350f97..e95034a 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -2679,12 +2679,6 @@ message_list_column_count (ETreeModel *tree_model)
        return COL_LAST;
 }
 
-static gboolean
-message_list_has_save_id (ETreeModel *tree_model)
-{
-       return TRUE;
-}
-
 static gchar *
 message_list_get_save_id (ETreeModel *tree_model,
                           ETreePath path)
@@ -3135,7 +3129,6 @@ message_list_tree_model_init (ETreeModelInterface *interface)
        interface->depth = message_list_depth;
        interface->get_expanded_default = message_list_get_expanded_default;
        interface->column_count = message_list_column_count;
-       interface->has_save_id = message_list_has_save_id;
        interface->get_save_id = message_list_get_save_id;
        interface->has_get_node_by_id = message_list_has_get_node_by_id;
        interface->get_node_by_id = message_list_get_node_by_id;