1 files changed, 96 insertions, 0 deletions
diff --git a/layout/xul/tree/nsITreeColumns.idl b/layout/xul/tree/nsITreeColumns.idl
new file mode 100644
index 000000000..a601f3776
--- /dev/null
+++ b/layout/xul/tree/nsITreeColumns.idl
@@ -0,0 +1,96 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsITreeColumns;
+interface nsIDOMElement;
+interface nsIAtom;
+
+[scriptable, uuid(ae835ecf-6b32-4660-9b43-8a270df56e02)]
+interface nsITreeColumn : nsISupports
+{
+  readonly attribute nsIDOMElement element;
+
+  readonly attribute nsITreeColumns columns;
+
+  readonly attribute long x;
+  readonly attribute long width;
+
+  readonly attribute AString id;
+  [noscript] void getIdConst([shared] out wstring idConst);
+  [noscript] readonly attribute nsIAtom atom;
+
+  readonly attribute long index;
+
+  readonly attribute boolean primary;
+  readonly attribute boolean cycler;
+  readonly attribute boolean editable;
+  readonly attribute boolean selectable;
+
+  const short TYPE_TEXT                = 1;
+  const short TYPE_CHECKBOX            = 2;
+  const short TYPE_PROGRESSMETER       = 3;
+  const short TYPE_PASSWORD            = 4;
+  readonly attribute short type;
+
+  nsITreeColumn getNext();
+  nsITreeColumn getPrevious();
+
+  void invalidate();
+};
+
+interface nsITreeBoxObject;
+
+[scriptable, uuid(f8a8d6b4-6788-438d-9009-7142798767ab)]
+interface nsITreeColumns : nsISupports
+{
+  /**
+   * The tree widget for these columns.
+   */
+  readonly attribute nsITreeBoxObject tree;
+
+  /**
+   * The number of columns.
+   */
+  readonly attribute long count;
+
+  /**
+   * An alias for count (for the benefit of scripts which treat this as an
+   * array).
+   */
+  readonly attribute long length;
+
+  /**
+   * Get the first/last column.
+   */
+  nsITreeColumn getFirstColumn();
+  nsITreeColumn getLastColumn();
+
+  /**
+   * Attribute based column getters.
+   */
+  nsITreeColumn getPrimaryColumn();
+  nsITreeColumn getSortedColumn();
+  nsITreeColumn getKeyColumn();
+
+  /**
+   * Get the column for the given element.
+   */
+  nsITreeColumn getColumnFor(in nsIDOMElement element);
+
+  /**
+   * Parametric column getters.
+   */
+  nsITreeColumn getNamedColumn(in AString id);
+  nsITreeColumn getColumnAt(in long index);
+
+  /**
+   * This method is called whenever a treecol is added or removed and
+   * the column cache needs to be rebuilt.
+   */
+  void invalidateColumns();
+
+  void restoreNaturalOrder();
+};