rename part #2

lib/ace/renderloop.js

@@ -0,0 +1,93 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Ajax.org Code Editor (ACE).
+ *
+ * The Initial Developer of the Original Code is
+ * Ajax.org Services B.V.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *      Fabian Jakobs <fabian AT ajax DOT org>
+ *
+ * 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
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+define(function(require, exports, module) {
+
+
+var RenderLoop = function(onRender) {
+    this.onRender = onRender;
+    this.pending = false;
+    this.changes = 0;
+};
+
+(function() {
+
+    this.schedule = function(change) {
+//        this.onRender(change);
+//        return;
+        this.changes = this.changes | change;
+        if (!this.pending) {
+            this.pending = true;
+            var _self = this;
+            this.setTimeoutZero(function() {
+                _self.pending = false;
+                _self.onRender(_self.changes);
+                _self.changes = 0;
+            })
+        }
+    };
+    
+    if (window.postMessage) {
+        
+        this.messageName = "zero-timeout-message";
+        
+        this.setTimeoutZero = function(callback) {
+            if (!this.attached) {
+                var _self = this;
+                window.addEventListener("message", function(e) {
+                    if (e.source == window && _self.callback && e.data == _self.messageName) {
+                        e.stopPropagation();
+                        _self.callback();
+                    }
+                }, false);
+                this.attached = true;
+            }
+            this.callback = callback;
+            window.postMessage(this.messageName, "*");
+        }
+        
+    } else {
+        
+        this.setTimeoutZero = function(callback) {
+            setTimeout(callback, 0);
+        }
+    }
+    
+}).call(RenderLoop.prototype);
+
+return RenderLoop;
+});