Moving the base ref to properly directory.

ref/bigpipe.js

@@ -0,0 +1,204 @@
+/*
+*
+* Bigpipe JS
+* https://github.com/adonescunha/bigpipe
+*
+* Licensed under the MIT license:
+* http://www.opensource.org/licenses/mit-license
+* Copyright (c) 2011 Adones Cunha adones@atepassar.com
+*
+*/
+
+var PageletResource = function(name, pagelet) {
+  var that = {};
+  that.name = name;
+  that.pagelet = pagelet;
+  that.phase = 0;
+
+  return that;
+};
+
+var CSSResource = function(name, pagelet) {
+  var that = PageletResource(name, pagelet);
+
+  that.load = function() {
+    if (this.phase != 0) {
+      return;
+    }
+
+    BigPipe.debug('Pagelet ' + this.pagelet.id +
+        ' CSS resource started to load: ' + this.name);
+
+    var $link = $(document.createElement('link'));
+    $link.attr('rel', 'stylesheet')
+      .attr('type', 'text/css')
+      .attr('href', this.name);
+    $('head').append($link);
+    this.phase = 1;
+    that.pagelet.onCSSLoad(this);
+  };
+
+  return that;
+};
+
+var JSResource = function(name, pagelet) {
+  var that = PageletResource(name, pagelet);
+
+  that.load = function() {
+    if (this.phase != 0) {
+      return;
+    }
+
+    BigPipe.debug('Pagelet ' + this.pagelet.id +
+        ' JS resource started to load: ' + this.name);
+
+    var $script = $(document.createElement('script'));
+    $script.attr('type', 'text/javascript').attr('src', this.name);
+    $('head').append($script);
+    that.pagelet.onJSLoad(this);
+  };
+
+  return that;
+};
+
+var Pagelet = function(id, cssResources, jsResources, html) {
+  var that = {};
+
+  that.id = id;
+  that.cssResources = cssResources.map(function(e) {
+    return CSSResource(e, that);
+  });
+  that.jsResources = jsResources.map(function(e) {
+    return JSResource(e, that);
+  });
+  that.html = html;
+
+  that.start = function() {
+    for each (var css in this.cssResources) {
+      this.phase = 1;
+      css.load();
+    }
+
+    if (this.phase == 0) {
+      this.injectHTML();
+    }
+  };
+
+  that.injectHTML = function() {
+    this.phase = 2;
+    $('#' + this.id).html(this.html);
+    this.phase = 3;
+    BigPipe.pageletHTMLInjected(this);
+  };
+
+  that.onCSSLoad = function(css) {
+    if (css.phase == 2) {
+      return;
+    }
+
+    BigPipe.debug('Pagelet ' + this.id + ' CSS resource is loaded: ' + css.name);
+
+    css.phase = 2;
+
+    var allLoaded = this.cssResources.reduce(function(a, b) {
+      return a && b.phase == 2;
+    }, true);
+
+    if (!allLoaded) {
+      return;
+    }
+
+    BigPipe.debug('Pagelet ' + this.id + ': All CSS resources are loaded');
+    this.injectHTML();
+  };
+
+  that.onJSLoad = function(js) {
+    if (js != undefined) {
+      BigPipe.debug('Pagelet ' + this.id + ' JS resource is loaded: ' + js.name);
+    }
+
+    if (this.phase > 3) {
+      return;
+    }
+
+    js.phase = 2;
+
+    var allLoaded = this.jsResources.reduce(function(a, b) {
+      return a && b.phase == 2;
+    }, true);
+
+    if (!allLoaded) {
+      return;
+    }
+
+    if (this.jsResources > 0) {
+      BigPipe.debug('Pagelet ' + this.id + ': All JS resources are loaded');
+    }
+
+    this.phase = 4;
+  };
+
+  return that;
+};
+
+var BigPipe = {
+  pagelets: [],
+  phase: 0,
+
+  debug: function(msg) {
+    if (typeof console != undefined && typeof console.log != undefined) {
+      console.log(msg);
+    }
+  },
+
+  onPageletArrive: function(json) {
+    this.debug('Pagelet arrived: ' + json);
+
+    if (json.isLast != undefined && json.isLast) {
+      this.phase = 1;
+    }
+
+    var pagelet = Pagelet(json.id, json.css, json.js, json.content);
+    this.pagelets.push(pagelet);
+    pagelet.start();
+  },
+
+  pageletHTMLInjected: function(pagelet) {
+    this.debug('Pagelet HTML injected: ' + pagelet.id);
+
+    var allLoaded = this.pagelets.reduce(function(a, b) {
+      return a && b.phase >= 3;
+    }, true);
+
+    if (!allLoaded) {
+      return;
+    }
+
+    if (this.phase == 1) {
+      this.loadJSResources();
+    }
+  },
+
+  loadJSResources: function() {
+    this.debug('Starting to load JS resources...');
+
+    this.phase = 2;
+    var something_loaded = false;
+
+    for each (var pagelet in this.pagelets) {
+      for each (var js in pagelet.jsResources) {
+        something_loaded = true;
+        js.load();
+      }
+
+      if (pagelet.jsResources.length == 0) {
+        pagelet.onJSLoad();
+      }
+    }
+
+    if (!something_loaded) {
+      this.debug('No JS resources to load.');
+    }
+  },
+};
+