From 587288a6573fc2331d2486ca1963b7c0185d9953 Mon Sep 17 00:00:00 2001
From: Daniel Freedman <dfreedm@google.com>
Date: Fri, 13 Sep 2013 17:19:56 -0700
Subject: [PATCH] remove sidetable, use WeakMap

---
 build.json         |  2 +-
 karma.conf.js      |  2 +-
 pointergestures.js |  2 +-
 src/dispatcher.js  |  4 ++--
 src/sidetable.js   | 40 ----------------------------------------
 5 files changed, 5 insertions(+), 45 deletions(-)
 delete mode 100644 src/sidetable.js

diff --git a/build.json b/build.json
index 7a34a58..8ff2f1c 100644
--- a/build.json
+++ b/build.json
@@ -1,7 +1,7 @@
 [
   "src/PointerGestureEvent.js",
   "src/initialize.js",
-  "src/sidetable.js",
+  "../WeakMap/weakmap.js",
   "src/pointermap.js",
   "src/dispatcher.js",
   "src/hold.js",
diff --git a/karma.conf.js b/karma.conf.js
index 128c4c8..2519737 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -21,7 +21,7 @@ module.exports = function(karma) {
       'PointerEvents/src/capture.js',
       'PointerGestures/src/PointerGestureEvent.js',
       'PointerGestures/src/initialize.js',
-      'PointerGestures/src/sidetable.js',
+      'WeakMap/weakmap.js',
       'PointerGestures/src/pointermap.js',
       'PointerGestures/src/dispatcher.js',
       'PointerGestures/src/hold.js',
diff --git a/pointergestures.js b/pointergestures.js
index 24657a5..0b27094 100644
--- a/pointergestures.js
+++ b/pointergestures.js
@@ -12,7 +12,7 @@
   var modules = [
     'src/PointerGestureEvent.js',
     'src/initialize.js',
-    'src/sidetable.js',
+    '../WeakMap/weakmap.js',
     'src/pointermap.js',
     'src/dispatcher.js',
     'src/hold.js',
diff --git a/src/dispatcher.js b/src/dispatcher.js
index d39f644..1ea4c49 100644
--- a/src/dispatcher.js
+++ b/src/dispatcher.js
@@ -6,8 +6,8 @@
 
 (function(scope) {
   var dispatcher = {
-    handledEvents: new SideTable,
-    targets: new SideTable,
+    handledEvents: new WeakMap,
+    targets: new WeakMap,
     handlers: {},
     recognizers: {},
     events: {},
diff --git a/src/sidetable.js b/src/sidetable.js
deleted file mode 100644
index 4d79d45..0000000
--- a/src/sidetable.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright 2012 The Polymer Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style
- * license that can be found in the LICENSE file.
- */
-
-// SideTable is a weak map where possible. If WeakMap is not available the
-// association is stored as an expando property.
-var SideTable;
-// TODO(arv): WeakMap does not allow for Node etc to be keys in Firefox
-if (typeof WeakMap !== 'undefined' && navigator.userAgent.indexOf('Firefox/') < 0) {
-  SideTable = WeakMap;
-} else {
-  (function() {
-    var defineProperty = Object.defineProperty;
-    var counter = Date.now() % 1e9;
-
-    SideTable = function() {
-      this.name = '__st' + (Math.random() * 1e9 >>> 0) + (counter++ + '__');
-    };
-
-    SideTable.prototype = {
-      set: function(key, value) {
-        var entry = key[this.name];
-        if (entry && entry[0] === key)
-          entry[1] = value;
-        else
-          defineProperty(key, this.name, {value: [key, value], writable: true});
-      },
-      get: function(key) {
-        var entry;
-        return (entry = key[this.name]) && entry[0] === key ?
-            entry[1] : undefined;
-      },
-      delete: function(key) {
-        this.set(key, undefined);
-      }
-    }
-  })();
-}