From 003d56f8a1eee6825cc6c800f135e13df753770d Mon Sep 17 00:00:00 2001
From: Robert Kaiser <robert@widebook.box.kairo.at>
Date: Fri, 16 Aug 2013 06:50:35 +0200
Subject: [PATCH] care that starting pinch width is set as it should be

---
 js/map.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/js/map.js b/js/map.js
index 77585e2..6aeacf6 100644
--- a/js/map.js
+++ b/js/map.js
@@ -489,7 +489,7 @@ var mapEvHandler = {
                 Math.pow(aEvent.targetTouches.item(1).clientY -
                          aEvent.targetTouches.item(0).clientY, 2)
             );
-            console.log('!!!' + gPinchStartWidth);
+            console.log('!!! ' + gPinchStartWidth);
           }
           gDragTouchID = aEvent.changedTouches.item(0).identifier;
           coordObj = aEvent.changedTouches.identifiedTouch(gDragTouchID);
@@ -513,6 +513,8 @@ var mapEvHandler = {
               Math.pow(aEvent.targetTouches.item(1).clientY -
                        aEvent.targetTouches.item(0).clientY, 2)
           );
+          if (!gPinchStartWidth)
+            gPinchStartWidth = curPinchStartWidth;
           console.log(gPinchStartWidth + ' <?> ' + curPinchStartWidth);
           if (gPinchStartWidth / curPinchStartWidth > 1.7 ||
               gPinchStartWidth / curPinchStartWidth < 0.6) {
@@ -537,6 +539,9 @@ var mapEvHandler = {
                 zoomIn();
               else
                 zoomOut();
+
+              // Reset pinch start width and start another pinch gesture.
+              gPinchStartWidth = null;
             }
           }
           break;
-- 
2.43.0