From 2b74d8316f480c2e436abb2ca8466d211504b428 Mon Sep 17 00:00:00 2001
From: Andrzej Skalski <askalski@mozilla.com>
Date: Wed, 8 Feb 2012 16:21:21 +0900
Subject: [PATCH] Bug 717506 - telemetry for xforms use, r=surkov, tbsaunde

---
 accessible/src/base/Statistics.h                   | 9 ++++++++-
 accessible/src/xforms/nsXFormsAccessible.cpp       | 2 ++
 toolkit/components/telemetry/TelemetryHistograms.h | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/accessible/src/base/Statistics.h b/accessible/src/base/Statistics.h
index 0c59dd83812..7b541a21eee 100644
--- a/accessible/src/base/Statistics.h
+++ b/accessible/src/base/Statistics.h
@@ -22,6 +22,7 @@
  *
  * Contributor(s):
  *   Trevor Saunders <trev.saunders@gmail.com> (original author)
+ *   Andrzej Skalski <askalski@mozilla.com>
  *
  * Alternatively, the contents of this file may be used under the terms of
  * either the GNU General Public License Version 2 or later (the "GPL"), or
@@ -47,7 +48,7 @@ namespace a11y {
 namespace statistics {
 
   inline void A11yInitialized()
-    { Telemetry::Accumulate(Telemetry::A11Y_INSTANTIATED, true); }
+    { Telemetry::Accumulate(Telemetry::A11Y_INSTANTIATED, 1); }
 
   inline void A11yConsumers(PRUint32 aConsumer)
     { Telemetry::Accumulate(Telemetry::A11Y_CONSUMERS, aConsumer); }
@@ -70,6 +71,12 @@ namespace statistics {
   inline void IAccessibleTableUsed()
     { Telemetry::Accumulate(Telemetry::IACCESSIBLE_TABLE_USAGE, 1); }
 
+  /**
+   * Report that XForms accessibility has been instantiated.
+   */
+  inline void XFormsAccessibleUsed()
+    { Telemetry::Accumulate(Telemetry::XFORMS_ACCESSIBLE_USED, 1); }
+
 } // namespace statistics
 } // namespace a11y
 } // namespace mozilla
diff --git a/accessible/src/xforms/nsXFormsAccessible.cpp b/accessible/src/xforms/nsXFormsAccessible.cpp
index c4d37f83eaf..d58aa016243 100644
--- a/accessible/src/xforms/nsXFormsAccessible.cpp
+++ b/accessible/src/xforms/nsXFormsAccessible.cpp
@@ -43,6 +43,7 @@
 #include "nsTextEquivUtils.h"
 #include "Role.h"
 #include "States.h"
+#include "Statistics.h"
 
 #include "nscore.h"
 #include "nsServiceManagerUtils.h"
@@ -70,6 +71,7 @@ nsXFormsAccessibleBase::nsXFormsAccessibleBase()
     if (NS_FAILED(rv))
       NS_WARNING("No XForms utility service.");
   }
+  statistics::XFormsAccessibleUsed();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/toolkit/components/telemetry/TelemetryHistograms.h b/toolkit/components/telemetry/TelemetryHistograms.h
index 5d4a9e7eac2..d7aadf23bcd 100644
--- a/toolkit/components/telemetry/TelemetryHistograms.h
+++ b/toolkit/components/telemetry/TelemetryHistograms.h
@@ -59,6 +59,7 @@ HISTOGRAM_BOOLEAN(A11Y_INSTANTIATED, "has accessibility support been instantiate
 HISTOGRAM(A11Y_CONSUMERS, 1, 6, 7, LINEAR, "Accessibility client by enum id")
 HISTOGRAM_BOOLEAN(ISIMPLE_DOM_USAGE, "have the ISimpleDOM* accessibility interfaces been used")
 HISTOGRAM_BOOLEAN(IACCESSIBLE_TABLE_USAGE, "has the IAccessibleTable accessibility interface been used")
+HISTOGRAM_BOOLEAN(XFORMS_ACCESSIBLE_USED, "has XForms accessibility been instantiated")
 
 /**
  * Cycle collector telemetry