From 70ca3999683a00cd1c976a68e1dea30e98c445f8 Mon Sep 17 00:00:00 2001
From: Eitan Isaacson <eitan@monotonous.org>
Date: Fri, 20 Jul 2012 09:46:54 -0700
Subject: [PATCH] Bug 775661 - Added dump tree Logger method, and states to
 string function. r=davidb

---
 accessible/src/jsat/Utils.jsm | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/accessible/src/jsat/Utils.jsm b/accessible/src/jsat/Utils.jsm
index a35efd22a30c..2c86a278639e 100644
--- a/accessible/src/jsat/Utils.jsm
+++ b/accessible/src/jsat/Utils.jsm
@@ -165,5 +165,32 @@ var Logger = {
     }
 
     return str;
-  }
+  },
+
+  statesToString: function statesToString(aAccessible) {
+    let [state, extState] = Utils.getStates(aAccessible);
+    let stringArray = [];
+    let stateStrings = gAccRetrieval.getStringStates(state, extState);
+    for (var i=0; i < stateStrings.length; i++)
+      stringArray.push(stateStrings.item(i));
+    return stringArray.join(' ');
+  },
+
+  dumpTree: function dumpTree(aLogLevel, aRootAccessible) {
+    if (aLogLevel < this.logLevel)
+      return;
+
+    this._dumpTreeInternal(aLogLevel, aRootAccessible, 0);
+  },
+
+  _dumpTreeInternal: function _dumpTreeInternal(aLogLevel, aAccessible, aIndent) {
+    let indentStr = '';
+    for (var i=0; i < aIndent; i++)
+      indentStr += ' ';
+    this.log(aLogLevel, indentStr,
+             this.accessibleToString(aAccessible),
+             '(' + this.statesToString(aAccessible) + ')');
+    for (var i=0; i < aAccessible.childCount; i++)
+      this._dumpTreeInternal(aLogLevel, aAccessible.getChildAt(i), aIndent + 1);
+    }
 };