Adding mapbox-gl branch

2015-03-16 18:50:27 +01:00
parent 7985f030fa
commit 57ee7f52fd
3109 changed files with 943365 additions and 0 deletions
@@ -0,0 +1,61 @@
+// Copyright 2014 The Closure Library Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/**
+ * @fileoverview A polyfill for window.requestAnimationFrame and
+ * window.cancelAnimationFrame.
+ * Code based on https://gist.github.com/paulirish/1579671
+ */
+
+goog.provide('goog.dom.animationFrame.polyfill');
+
+
+/**
+ * @define {boolean} If true, will install the requestAnimationFrame polyfill.
+ */
+goog.define('goog.dom.animationFrame.polyfill.ENABLED', true);
+
+
+/**
+ * Installs the requestAnimationFrame (and cancelAnimationFrame) polyfill.
+ */
+goog.dom.animationFrame.polyfill.install =
+    goog.dom.animationFrame.polyfill.ENABLED ? function() {
+  var vendors = ['ms', 'moz', 'webkit', 'o'];
+  for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
+    window.requestAnimationFrame = window[vendors[x] +
+        'RequestAnimationFrame'];
+    window.cancelAnimationFrame = window[vendors[x] +
+        'CancelAnimationFrame'] ||
+            window[vendors[x] + 'CancelRequestAnimationFrame'];
+  }
+
+  if (!window.requestAnimationFrame) {
+    var lastTime = 0;
+    window.requestAnimationFrame = function(callback, element) {
+      var currTime = new Date().getTime();
+      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
+      lastTime = currTime + timeToCall;
+      return window.setTimeout(function() {
+        callback(currTime + timeToCall);
+      }, timeToCall);
+    };
+
+    if (!window.cancelAnimationFrame) {
+      window.cancelAnimationFrame = function(id) {
+        clearTimeout(id);
+      };
+    }
+  }
+} : goog.nullFunction;