editor.html now boots with a bit of the plugin system

plugins/pilot/lib/plugin_manager.js

@@ -0,0 +1,149 @@
+/* ***** 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 Skywriter.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Kevin Dangoor (kdangoor@mozilla.com)
+ *
+ * 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 Promise = require("pilot/promise").Promise;
+
+exports.REASONS = {
+    APP_STARTUP: 1,
+    APP_SHUTDOWN: 2,
+    PLUGIN_ENABLE: 3,
+    PLUGIN_DISABLE: 4,
+    PLUGIN_INSTALL: 5,
+    PLUGIN_UNINSTALL: 6,
+    PLUGIN_UPGRADE: 7,
+    PLUGIN_DOWNGRADE: 8
+};
+
+exports.Plugin = function(name) {
+    this.name = name;
+    this.status = this.INSTALLED;
+};
+
+exports.Plugin.prototype = {
+    /**
+     * constants for the state
+     */
+    NEW: 0,
+    INSTALLED: 1,
+    STARTED: 2,
+    SHUTDOWN: 3,
+    
+    install: function(data, reason) {
+        var pr = new Promise();
+        if (this.status > this.NEW) {
+            pr.resolve(this);
+            return pr;
+        }
+        require([this.name], function(pluginModule) {
+            if (pluginModule.install) {
+                pluginModule.install(data, reason);
+            }
+            this.status = this.INSTALLED;
+            pr.resolve(this);
+        }.bind(this));
+        return pr;
+    },
+    
+    startup: function(data, reason) {
+        var pr = new Promise();
+        if (this.status != this.INSTALLED) {
+            pr.resolve(this);
+            return pr;
+        }
+        require([this.name], function(pluginModule) {
+            if (pluginModule.startup) {
+                pluginModule.startup(data, reason);
+            }
+            this.status = this.STARTED;
+            pr.resolve(this);
+        }.bind(this));
+        return pr;
+    },
+    
+    shutdown: function(data, reason) {
+        if (this.status != this.STARTED) {
+            return;
+        }
+        pluginModule = require(this.name);
+        if (pluginModule.shutdown) {
+            pluginModule.shutdown(data, reason);
+        }
+    }
+};
+
+exports.PluginCatalog = function() {
+    this.plugins = {};
+};
+
+exports.PluginCatalog.prototype = {
+    registerPlugins: function(pluginList) {
+        pluginList.forEach(function(pluginName) {
+            var plugin = this.plugins[pluginName];
+            if (plugin === undefined) {
+                plugin = new exports.Plugin(pluginName);
+                this.plugins[pluginName] = plugin;
+            }
+        }.bind(this));
+    },
+    
+    startupPlugins: function(data, reason) {
+        var startupPromises = [];
+        for (var pluginName in this.plugins) {
+            var plugin = this.plugins[pluginName];
+            startupPromises.push(plugin.startup(data, reason));
+        }
+        return Promise.group(startupPromises);
+    }
+};
+
+exports.catalog = new exports.PluginCatalog();
+
+// TODO the code below is temporary to bootstrap while setting up the new command system
+var PluginManager = {
+    commands : {},
+
+    registerCommand : function(name, command) {
+        this.commands[name] = command;
+    }
+};
+
+exports.PluginManager = PluginManager;
+
+
+});