[bootstrap] Add a :rehash (temporarily undocumented) command.

--HG--
branch : bootstrapped

common/bootstrap.js

@@ -41,6 +41,7 @@ let addon = null;
 let basePath = null;
 let components = {};
 let getURI = null;
+storage.set("dactyl.bootstrap", this);
 var JSMLoader = storage.get("dactyl.JSMLoader", { get load() Cu.import });
 
 function startup(data, reason) {
@@ -53,6 +54,7 @@ function startup(data, reason) {
         dump("dactyl: bootstrap: init" + " " + data.id + "\n");
 
         addon = data;
+        AddonManager.getAddonByID(addon.id, function (a) { addon = a });
 
         if (basePath.isDirectory())
             getURI = function getURI(path) {

common/content/commandline.js

@@ -255,6 +255,8 @@ const CommandWidgets = Class("CommandWidgets", {
         let elem = this.multilineOutput;
         elem.contentWindow.addEventListener("unload", function (event) { event.preventDefault(); }, true);
         elem.contentDocument.body.id = "dactyl-multiline-output-content";
+        elem.__defineGetter__("atEnd", function ()
+            !Buffer.isScrollable(elem.contentDocument.documentElement, 1));
 
         ["copy", "copylink", "selectall"].forEach(function (tail) {
             // some host apps use "hostPrefixContext-copy" ids
@@ -617,6 +619,8 @@ const CommandLine = Module("commandline", {
             this.widgets.message = null;
         if (modes.main != modes.COMMAND_LINE)
             this.widgets.command = null;
+        if ((modes.extended & modes.OUTPUT_MULTILINE) && this.widgets.multilineOutput.atEnd)
+            modes.pop();
         if (modes.extended != modes.OUTPUT_MULTILINE)
             this.multilineOutputVisible = false;
     },

common/content/dactyl.js

@@ -1865,10 +1865,13 @@ const Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase),
                 bang: true
             });
 
+        commands.add(["reh[ash]"],
+            "Reload the " + config.appName + " add-on",
+            function () { util.rehash(); });
+
         commands.add(["res[tart]"],
             "Force " + config.appName + " to restart",
-            function () { dactyl.restart(); },
-            { argCount: "0" });
+            function () { dactyl.restart(); });
 
         var toolbox = document.getElementById("navigator-toolbox");
         if (toolbox) {

common/modules/services.jsm

@@ -36,6 +36,7 @@ var Services = Module("Services", {
         this.add("extensionManager",    "@mozilla.org/extensions/manager;1",                Ci.nsIExtensionManager);
         this.add("favicon",             "@mozilla.org/browser/favicon-service;1",           Ci.nsIFaviconService);
         this.add("focus",               "@mozilla.org/focus-manager;1",                     Ci.nsIFocusManager);
+        this.add("fuel",                "@mozilla.org/fuel/application;1",                  Ci.fuelIApplication);
         this.add("history",             "@mozilla.org/browser/global-history;2",            [Ci.nsIBrowserHistory, Ci.nsIGlobalHistory3,
                                                                                              Ci.nsINavHistoryService, Ci.nsPIPlacesDatabase]);
         this.add("io",                  "@mozilla.org/network/io-service;1",                Ci.nsIIOService);

common/modules/util.jsm

@@ -59,6 +59,8 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
         }
     },
 
+    get addon() services.fuel.storage.get("dactyl.bootstrap", null).addon,
+
     // FIXME: Only works for Pentadactyl
     get activeWindow() services.windowMediator.getMostRecentWindow("navigator:browser"),
     dactyl: update(function dactyl(obj) {
@@ -920,7 +922,7 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
             services.observer.removeObserver(this, "dactyl-rehash");
 
             util.dump("dactyl: util: observe: dactyl-rehash");
-            if (true)
+            if (this.rehashing)
                 JSMLoader.purge();
             else
                 for (let module in values(defineModule.modules)) {
@@ -1144,6 +1146,14 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
         getSource: function regexp_getSource(re) re.source.replace(/\\(.)/g, function (m0, m1) m1 === "/" ? "/" : m0)
     }),
 
+    rehash: function () {
+        this.rehashing = true;
+        this.addon.userDisabled = true;
+        this.timeout(function () {
+            this.addon.userDisabled = false;
+        });
+    },
+
     maxErrors: 15,
     errors: Class.memoize(function () []),
     reportError: function (error) {