[evolution] I#159 - [gal-a11y-e-cell-tree] Call e_tree_model_node_is_expandable() with non-NULL 'node'



commit 5e4dbc0fb6b930edfa7000322e7610992c5263b9
Author: Milan Crha <mcrha redhat com>
Date:   Mon Oct 1 18:49:46 2018 +0200

    I#159 - [gal-a11y-e-cell-tree] Call e_tree_model_node_is_expandable() with non-NULL 'node'
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/159

 src/e-util/gal-a11y-e-cell-tree.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/e-util/gal-a11y-e-cell-tree.c b/src/e-util/gal-a11y-e-cell-tree.c
index 5d39508f76..9f409f19d1 100644
--- a/src/e-util/gal-a11y-e-cell-tree.c
+++ b/src/e-util/gal-a11y-e-cell-tree.c
@@ -55,7 +55,7 @@ ectr_model_row_changed_cb (ETableModel *etm,
        tree_model = e_table_model_value_at (etm, -2, a11y->row);
        tree_table_adapter = e_table_model_value_at (etm, -3, a11y->row);
 
-       if (e_tree_model_node_is_expandable (tree_model, node)) {
+       if (node && e_tree_model_node_is_expandable (tree_model, node)) {
                gboolean is_exp = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node);
                if (is_exp)
                        gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE);
@@ -114,7 +114,7 @@ ectr_do_action_expand (AtkAction *action)
        tree_model = e_table_model_value_at (table_model, -2, a11y->row);
        tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row);
 
-       if (e_tree_model_node_is_expandable (tree_model, node)) {
+       if (node && e_tree_model_node_is_expandable (tree_model, node)) {
                e_tree_table_adapter_node_set_expanded (
                        tree_table_adapter, node, TRUE);
                gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE);
@@ -136,7 +136,7 @@ ectr_do_action_collapse (AtkAction *action)
        tree_model = e_table_model_value_at (table_model, -2, a11y->row);
        tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row);
 
-       if (e_tree_model_node_is_expandable (tree_model, node)) {
+       if (node && e_tree_model_node_is_expandable (tree_model, node)) {
                e_tree_table_adapter_node_set_expanded (
                        tree_table_adapter, node, FALSE);
                gal_a11y_e_cell_remove_state (a11y, ATK_STATE_EXPANDED, TRUE);
@@ -226,7 +226,7 @@ gal_a11y_e_cell_tree_new (ETableItem *item,
                node = e_table_model_value_at (item->table_model, -1, row);
                tree_model = e_table_model_value_at (item->table_model, -2, row);
                tree_table_adapter = e_table_model_value_at (item->table_model, -3, row);
-               if (e_tree_model_node_is_expandable (tree_model, node)) {
+               if (node && e_tree_model_node_is_expandable (tree_model, node)) {
                        gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (subcell_a11y), ATK_STATE_EXPANDABLE, 
FALSE);
                        if (e_tree_table_adapter_node_is_expanded (tree_table_adapter, node))
                                gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (subcell_a11y), 
ATK_STATE_EXPANDED, FALSE);


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