release 0.5.1

bower.json

@@ -19,5 +19,5 @@
     "tools": "Polymer/tools#master",
     "web-component-tester": "Polymer/web-component-tester#^1.4.2"
   },
-  "version": "0.5.0"
+  "version": "0.5.1"
 }

build.log

@@ -1,6 +1,6 @@
 BUILD LOG
 ---------
-Build Time: 2014-11-10T15:30:44
+Build Time: 2014-11-12T14:32:18
 
 NODEJS INFORMATION
 ==================
@@ -11,16 +11,16 @@ grunt-contrib-concat: 0.5.0
 grunt-contrib-copy: 0.7.0
 grunt-contrib-uglify: 0.6.0
 grunt-string-replace: 1.0.0
-web-component-tester: 1.5.1
+web-component-tester: 1.6.0
 
 REPO REVISIONS
 ==============
 polymer-expressions: 1288fe573dc57cde304f66f0833d0644c766158c
-polymer-gestures: 2b22c2b53b32eb8593fd911ec9f2980b1dabeb91
-polymer: 196a3929997b2214a881374b4c68c048c59ede59
+polymer-gestures: 94660a514772e182d27f79c3d8d1bb88796a2327
+polymer: da75e633f39b7761494cc3139a60733c488b2215
 
 BUILD HASHES
 ============
-dist/polymer.js: c5627d4b6daeeb60c715f6af356ea8f87d747012
-dist/polymer.min.js: aec0504f9ad997f252d7461a27aaca23214fe5dd
+dist/polymer.js: 59e0d3e669a3a1d163d8337766aa63bf809bfe79
+dist/polymer.min.js: a9145f911c5b9fecc0d4aa422ac658d1d462d15a
 dist/layout.html: 348d358a91712ecc2f8811efa430fcd954b4590c

polymer.js

@@ -7,7 +7,7 @@
  * Code distributed by Google as part of the polymer project is also
  * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  */
-// @version 0.5.0
+// @version 0.5.1
 window.PolymerGestures = {};
 
 (function(scope) {
@@ -1370,9 +1370,15 @@ window.PolymerGestures = {};
     };
     // if click coordinates are close to touch coordinates, assume the click came from a touch
     var wasTouched = scope.mouseEvents.lastTouches.some(closeTo);
-    // if the click came from touch, and the click target is not the same as the touchstart target, then the touchstart
-    // target was probably removed, and the click should be "busted"
-    if (wasTouched && (ev.target !== touchEvents.firstTarget)) {
+    // if the click came from touch, and the touchstart target is not in the path of the click event,
+    // then the touchstart target was probably removed, and the click should be "busted"
+    var path = scope.targetFinding.path(ev);
+    if (wasTouched) {
+      for (var i = 0; i < path.length; i++) {
+        if (path[i] === touchEvents.firstTarget) {
+          return;
+        }
+      }
       ev.preventDefault();
       STOP_PROP_FN.call(ev);
     }
@@ -3785,7 +3791,7 @@ window.PolymerGestures = {};
 })(this);
 
 Polymer = {
-  version: '0.5.0'
+  version: '0.5.1'
 };
 
 // TODO(sorvell): this ensures Polymer is an object and not a function
@@ -8155,7 +8161,21 @@ if (!Observer.hasObjectObserve) {
   var FLUSH_POLL_INTERVAL = 125;
   window.addEventListener('WebComponentsReady', function() {
     flush();
-    scope.flushPoll = setInterval(flush, FLUSH_POLL_INTERVAL);
+    // watch document visiblity to toggle dirty-checking
+    var visibilityHandler = function() {
+      // only flush if the page is visibile
+      if (document.visibilityState === 'hidden') {
+        if (scope.flushPoll) {
+          clearInterval(scope.flushPoll);
+        }
+      } else {
+        scope.flushPoll = setInterval(flush, FLUSH_POLL_INTERVAL);
+      }
+    };
+    if (typeof document.visibilityState === 'string') {
+      document.addEventListener('visibilitychange', visibilityHandler);
+    }
+    visibilityHandler();
   });
 } else {
   // make flush a no-op when we have Object.observe