Some esthetic and practical changes to modes and a couple of completion functions.

common/content/completion.js

@@ -1544,14 +1544,21 @@ function Completion() //{{{
                     cmdContext.advance(args.completeStart);
                     cmdContext.quote = args.quote;
                     cmdContext.filter = args.completeFilter;
-                    let compObject = command.completer.call(command, cmdContext, args);
-                    if (compObject instanceof Array) // for now at least, let completion functions return arrays instead of objects
-                        compObject = { start: compObject[0], items: compObject[1] };
-                    if (compObject != null)
+                    try
                     {
-                        cmdContext.advance(compObject.start);
-                        cmdContext.filterFunc = null;
-                        cmdContext.completions = compObject.items;
+                        let compObject = command.completer.call(command, cmdContext, args);
+                        if (compObject instanceof Array) // for now at least, let completion functions return arrays instead of objects
+                            compObject = { start: compObject[0], items: compObject[1] };
+                        if (compObject != null)
+                        {
+                            cmdContext.advance(compObject.start);
+                            cmdContext.filterFunc = null;
+                            cmdContext.completions = compObject.items;
+                        }
+                    }
+                    catch (e)
+                    {
+                        liberator.reportError(e);
                     }
                 }
             }

common/content/mappings.js

@@ -254,14 +254,12 @@ function Mappings() //{{{
     ////////////////////// COMMANDS ////////////////////////////////////////////////
     /////////////////////////////////////////////////////////////////////////////{{{
 
-    addMapCommands("",  [modes.NORMAL], "");
-    addMapCommands("c", [modes.COMMAND_LINE], "command line");
-    addMapCommands("i", [modes.INSERT, modes.TEXTAREA], "insert");
-    // FIXME
-    if (liberator.has("mail"))
-        addMapCommands("m", [modes.MESSAGE], "message");
-    if (liberator.has("player"))
-        addMapCommands("p", [modes.PLAYER], "player");
+    addMapCommands("",  [modes.NORMAL, modes.VISUAL], "");
+    for (let mode in modes.mainModes)
+        if (mode.char)
+            addMapCommands(mode.char,
+                           [m.mask for (m in modes.mainModes) if (m.char == mode.char)],
+                           [mode.disp.toLowerCase()]);
 
     /////////////////////////////////////////////////////////////////////////////}}}
     ////////////////////// PUBLIC SECTION //////////////////////////////////////////

common/content/modes.js

@@ -135,16 +135,24 @@ const modes = (function () //{{{
 
         get inputMode() main & (this.COMMAND_LINE | this.INPUT | this.TEXTAREA | this.COMPOSE),
 
-        addMode: function (name, extended, display)
+        get mainModes() (mode for ([k, mode] in Iterator(modeMap)) if (!mode.extended && mode.name == k)),
+
+        addMode: function (name, extended, options)
         {
             let disp = name.replace("_", " ", "g");
             this[name] = 1 << lastMode++;
-            modeMap[name] = modeMap[this[name]] = {
+            if (typeof extended == "object")
+            {
+                options = extended;
+                extended = false;
+            }
+            modeMap[name] = modeMap[this[name]] = util.extend({
                 extended: extended,
                 mask: this[name],
                 name: name,
-                display: display || function () disp
-            };
+                disp: disp
+            }, options);
+            modeMap[name].display = modeMap[name].display || function () disp;
             if (!extended)
                 mainModes.push(this[name]);
         },
@@ -260,16 +268,18 @@ const modes = (function () //{{{
     var modeMap = {};
 
     // main modes, only one should ever be active
-    self.addMode("NORMAL", false, -1);
-    self.addMode("INSERT");
-    self.addMode("VISUAL", false, function () "VISUAL" + (extended & modes.LINE ? " LINE" : ""));
-    self.addMode("COMMAND_LINE");
+    self.addMode("NORMAL", { char: "n", display: -1 });
+    self.addMode("INSERT", { char: "i" });
+    self.addMode("VISUAL", { char: "v", display: function () "VISUAL" + (extended & modes.LINE ? " LINE" : "") });
+    self.addMode("COMMAND_LINE", { char: "c" });
     self.addMode("CARET"); // text cursor is visible
-    self.addMode("TEXTAREA"); // text cursor is in a HTMLTextAreaElement
-    self.addMode("MESSAGE"); // for now only used in Muttator when the message has focus
+    self.addMode("TEXTAREA", { char: "i" }); // text cursor is in a HTMLTextAreaElement
+    self.addMode("CUSTOM",  { display: function () plugins.mode });
+    // FIXME: These belong elsewhere
+    //   So too, probably, do most of the others.
+    self.addMode("MESSAGE", { char: "m" }); // for now only used in Muttator when the message has focus
     self.addMode("COMPOSE");
-    self.addMode("CUSTOM", false, function () plugins.mode);
-    self.addMode("PLAYER"); // Player mode for songbird
+    self.addMode("PLAYER",  { char: "p" }); // Player mode for songbird
     // extended modes, can include multiple modes, and even main modes
     self.addMode("EX", true);
     self.addMode("HINTS", true);

common/content/options.js

@@ -579,7 +579,7 @@ function Options() //{{{
             });
         }
 
-        completion.optionValue(context, opt.name, opt.operator);
+        context.fork("values", 0, completion, "optionValue", opt.name, opt.operator);
     }
 
     //

common/content/style.js

@@ -1,5 +1,6 @@
 /***** BEGIN LICENSE BLOCK ***** {{{
  Copyright © 2008-2009 by Kris Maglione <maglione.k at Gmail>
+
  Distributable under the terms of the MIT license, which allows
  for sublicensing under any compatible license, including the MPL,
  GPL, and MPL. Anyone who changes this file is welcome to relicense
@@ -490,21 +491,28 @@ function Styles(name, store, serial)
 }
 let (array = util.Array)
 {
-    Styles.prototype = {
+    util.extend(Styles.prototype, {
         get sites() array([v.sites for ([k, v] in this.userSheets)]).flatten().uniq().__proto__,
         completeSite: function (context, content)
         {
-            let compl = [];
+            context.anchored = false;
             try
             {
-                compl.push([content.location.host, "Current Host"]);
-                compl.push([content.location.href, "Current URL"]);
+                context.fork("current", 0, this, function(context) {
+                    context.title = ["Current Site"];
+                    context.completions = [
+                        [content.location.host, "Current Host"],
+                        [content.location.href, "Current URL"]
+                    ];
+                });
             }
             catch (e) {}
-            context.anchored = false;
-            context.completions = compl.concat([[s, ""] for each (s in styles.sites)]);
+            context.fork("others", 0, this, function(context) {
+                context.title = ["Site"];
+                context.completions = [[s, ""] for each (s in styles.sites)];
+            });
         }
-    };
+    });
 }
 
 /**

common/content/util.js

@@ -160,6 +160,24 @@ const util = { //{{{
         return delimiter + str.replace(/([\\'"])/g, "\\$1").replace("\n", "\\n", "g").replace("\t", "\\t", "g") + delimiter;
     },
 
+    extend: function extend(dest) {
+        Array.slice(arguments, 1).filter(util.identity).forEach(function (src)
+        {
+            for (let [k, v] in Iterator(src))
+            {
+                let get = src.__lookupGetter__(k),
+                    set = src.__lookupSetter__(k);
+                if (!get && !set)
+                    dest[k] = v;
+                if (get)
+                    dest.__defineGetter__(k, get);
+                if (set)
+                    dest.__defineSetter__(k, set);
+            }
+        });
+        return dest;
+    },
+
     /**
      * Split a string on literal occurances of a marker.
      *