[muttator] allow external editor with ctrl-i when composing messages. Also a framework for more compose window related mappings (like y to send message)

Donators

@@ -2,6 +2,7 @@
 <b>Note:</b> If you don't wish to appear on this list when making a donation, please tell me.
 
 2008:
+* Daniel Schaffrath
 * Sam Griffin
 * Ivan Pantuyev
 * Spike Spiegal

Makefile

@@ -1,6 +1,6 @@
 #### configuration
 
-VERSION       = 0.6pre
+VERSION       = 1.0pre
 NAME          = vimperator
 
 include Makefile.common

content/editor.js

@@ -265,7 +265,7 @@ liberator.Editor = function () //{{{
         ["<S-Insert>"], "Insert clipboard/selection",
         function () { liberator.editor.pasteClipboard(); });
 
-    liberator.mappings.add([liberator.modes.INSERT, liberator.modes.TEXTAREA],
+    liberator.mappings.add([liberator.modes.INSERT, liberator.modes.TEXTAREA, liberator.modes.COMPOSE],
         ["<C-i>"], "Edit text field with an external editor",
         function () { liberator.editor.editWithExternalEditor(); });
 
@@ -719,15 +719,27 @@ liberator.Editor = function () //{{{
             return -1;
         },
 
+        // TODO: clean up with 2 functions for textboxes and currentEditor?
         editWithExternalEditor: function ()
         {
-            var textBox = document.commandDispatcher.focusedElement;
+            var textBox = null;
+            if (!(liberator.config.isComposeWindow))
+                textBox = document.commandDispatcher.focusedElement;
+
+            var text = "";
+            if (textBox)
+                text = textBox.value;
+            else if (typeof GetCurrentEditor == "function") // Thunderbird composer
+                text = GetCurrentEditor().outputToString("text/plain", 2);
+            else
+                return false;
+
             var editor = liberator.options["editor"];
             var args = editor.split(" ");
             if (args.length < 1)
             {
                 liberator.echoerr("no editor specified");
-                return;
+                return false;
             }
 
             try
@@ -737,28 +749,34 @@ liberator.Editor = function () //{{{
             catch (e)
             {
                 liberator.echoerr("Could not create temporary file: " + e.message);
-                return;
+                return false;
             }
             try
             {
-                liberator.io.writeFile(tmpfile, textBox.value);
+                liberator.io.writeFile(tmpfile, text);
             }
             catch (e)
             {
                 liberator.echoerr("Could not write to temporary file " + tmpfile.path + ": " + e.message);
-                return;
+                return false;
             }
 
             var prog = args.shift();
             args.push(tmpfile.path)
 
+            if (textBox)
+            {
                 textBox.setAttribute("readonly", "true");
                 var oldBg = textBox.style.backgroundColor;
                 var tmpBg = "yellow";
                 textBox.style.backgroundColor = "#bbbbbb";
+            }
+
             var newThread = Components.classes["@mozilla.org/thread-manager;1"].getService().newThread(0);
             // TODO: save return value in v:shell_error
             liberator.callFunctionInThread(newThread, liberator.io.run, [prog, args, true]);
+
+            if (textBox)
                 textBox.removeAttribute("readonly");
 
 
@@ -772,7 +790,22 @@ liberator.Editor = function () //{{{
                 try
                 {
                     var val = liberator.io.readFile(tmpfile);
+                    if (textBox)
                         textBox.value = val;
+                    else
+                    {
+                        //document.getElementById("content-frame").contentDocument.designMode = "on";
+                        var editor = GetCurrentEditor();
+                        var wholeDocRange = editor.document.createRange();
+                        var rootNode = editor.rootElement.QueryInterface(Components.interfaces.nsIDOMNode);
+                        wholeDocRange.selectNodeContents(rootNode);
+                        editor.selection.addRange(wholeDocRange);
+                        editor.selection.deleteFromDocument();
+                        editor.insertText(val);
+                        //setTimeout(function() {
+                        //    document.getElementById("content-frame").contentDocument.designMode = "off";
+                        //}, 100);
+                    }
                 }
                 catch (e)
                 {
@@ -782,6 +815,8 @@ liberator.Editor = function () //{{{
     //        }
 
             // blink the textbox after returning - TODO: could use setInterval
+            if (textBox)
+            {
                 var timeout = 100;
                 textBox.style.backgroundColor = tmpBg;
                 setTimeout(function () {
@@ -793,8 +828,10 @@ liberator.Editor = function () //{{{
                         }, timeout);
                     }, timeout);
                 }, timeout);
+            }
 
             tmpfile.remove(false);
+            return true;
         },
 
         // Abbreviations {{{

content/events.js

@@ -233,7 +233,8 @@ liberator.Events = function () //{{{
     var currentMacro = "";
     var lastMacro = "";
 
-    // any tab related events
+    try // not every extension has a getBrowser() method
+    {
         var tabcontainer = getBrowser().mTabContainer;
         if (tabcontainer) // not every VIM-like extension has a tab container
         {
@@ -276,6 +277,8 @@ liberator.Events = function () //{{{
             liberator.statusline.updateBufferPosition();
             liberator.modes.show();
         }, null);
+    }
+    catch (e) { }
 
 //    getBrowser().addEventListener("submit", function (event)
 //    {
@@ -430,7 +433,7 @@ liberator.Events = function () //{{{
             var title = liberator.buffer.title;
 
             //update history
-            if (liberator.history)
+            if (url && liberator.history)
                 liberator.history.add(url, title);
 
             liberator.buffer.updateBufferList();
@@ -531,7 +534,7 @@ liberator.Events = function () //{{{
         function () { liberator.events.onEscape(); });
 
     // add the ":" mapping in all but insert mode mappings
-    liberator.mappings.add([liberator.modes.NORMAL, liberator.modes.VISUAL, liberator.modes.HINTS, liberator.modes.MESSAGE, liberator.modes.CARET, liberator.modes.TEXTAREA],
+    liberator.mappings.add([liberator.modes.NORMAL, liberator.modes.VISUAL, liberator.modes.HINTS, liberator.modes.MESSAGE, liberator.modes.COMPOSE, liberator.modes.CARET, liberator.modes.TEXTAREA],
         [":"], "Enter command line mode",
         function () { liberator.commandline.open(":", "", liberator.modes.EX); });
 
@@ -950,7 +953,15 @@ liberator.Events = function () //{{{
                 if ((win && win.document && win.document instanceof HTMLDocument)
                     || elem instanceof HTMLAnchorElement)
                 {
-                    if (liberator.mode != liberator.modes.MESSAGE)
+                    if (liberator.config.isComposeWindow)
+                    {
+                        dump("Compose editor got focus\n");
+                        liberator.modes.set(liberator.modes.INSERT, liberator.modes.TEXTAREA);
+                        //setTimeout(function(){liberator.editor.editWithExternalEditor();}, 100);
+                        win.blur();
+                        //liberator.editor.editWithExternalEditor();
+                    }
+                    else if (liberator.mode != liberator.modes.MESSAGE)
                         liberator.mode = liberator.modes.MESSAGE;
                     return;
                 }
@@ -1092,7 +1103,7 @@ liberator.Events = function () //{{{
             var stop = true; // set to false if we should NOT consume this event but let also firefox handle it
 
             var win = document.commandDispatcher.focusedWindow;
-            if (win && win.document.designMode == "on")
+            if (win && win.document.designMode == "on" && !liberator.config.isComposeWindow)
                 return false;
 
             // menus have their own command handlers
@@ -1468,7 +1479,11 @@ liberator.Events = function () //{{{
         .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
         .getInterface(Components.interfaces.nsIXULWindow)
         .XULBrowserWindow = window.XULBrowserWindow;
+    try
+    {
         getBrowser().addProgressListener(eventManager.progressListener, Components.interfaces.nsIWebProgress.NOTIFY_ALL);
+    }
+    catch(e) { }
 
     eventManager.prefObserver.register();
 

content/io.js

@@ -338,15 +338,17 @@ liberator.IO = function () //{{{
         {
             var file = Components.classes["@mozilla.org/file/local;1"].
                                   createInstance(Components.interfaces.nsILocalFile);
+
+            var tmpname = liberator.config.name.toLowerCase() + ".tmp"
             if (WINDOWS)
             {
                 var dir = environmentService.get("TMP") || environmentService.get("TEMP") || "C:\\";
-                file.initWithPath(dir + "\\vimperator.tmp");
+                file.initWithPath(dir + "\\" + tmpname);
             }
             else
             {
                 var dir = environmentService.get("TMP") || environmentService.get("TEMP") || "/tmp/";
-                file.initWithPath(dir + "/vimperator.tmp");
+                file.initWithPath(dir + "/" + tmpname);
             }
 
             file.createUnique(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0600);

content/liberator.js

@@ -501,16 +501,25 @@ const liberator = (function () //{{{
         {
             var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"].
                      getService(Components.interfaces.nsIWindowWatcher);
-
             if (window == ww.activeWindow && document.commandDispatcher.focusedElement && clearFocusedElement)
                 document.commandDispatcher.focusedElement.blur();
 
             // TODO: make more generic
-            if (liberator.has("mail") && clearFocusedElement && gDBView)
+            try
-                gDBView.selection.select(gDBView.selection.currentIndex);
+            {
+                if (liberator.has("mail") && clearFocusedElement && !liberator.config.isComposeWindow)
+                {
+                    var i = gDBView.selection.currentIndex;
+                    if (i == -1 && gDBView.rowCount >= 0)
+                        i = 0;
 
-            var elem = liberator.config.mainWidget || content;
+                    gDBView.selection.select(i);
-            if (elem != document.commandDispatcher.focusedElement)
+                }
+            }
+            catch (e) { }
+
+            var elem = liberator.config.mainWidget || window.content;
+            if (elem && (elem != document.commandDispatcher.focusedElement))
                 elem.focus();
         },
 
@@ -797,7 +806,7 @@ const liberator = (function () //{{{
             // optional modules
             if (liberator.has("bookmarks"))  { log("bookmarks");  liberator.bookmarks  = liberator.Bookmarks(); }
             if (liberator.has("history"))    { log("history");    liberator.history    = liberator.History(); }
-            if (liberator.has("mail"))       { log("mail");       liberator.mail       = liberator.Mail(); }
+            if (liberator.has("mail") && liberator.Mail)       { log("mail");       liberator.mail       = liberator.Mail(); }
             if (liberator.has("tabs"))       { log("tabs");       liberator.tabs       = liberator.Tabs(); }
             if (liberator.has("marks"))      { log("marks");      liberator.marks      = liberator.Marks(); }
             if (liberator.has("quickmarks")) { log("quickmarks"); liberator.quickmarks = liberator.QuickMarks(); }
@@ -888,16 +897,17 @@ const liberator = (function () //{{{
             }, 0);
 
             liberator.statusline.update();
-            liberator.log("Vimperator fully initialized", 1);
+            liberator.log(liberator.config.name + " fully initialized", 1);
         },
 
         shutdown: function ()
         {
             // save our preferences
             liberator.commandline.destroy();
-            liberator.quickmarks.destroy();
             liberator.options.destroy();
             liberator.events.destroy();
+            if (liberator.has("quickmarks"))
+                liberator.quickmarks.destroy();
 
             window.dump("All liberator modules destroyed\n");
         },

content/mail.js

@@ -193,6 +193,11 @@ liberator.Mail = function ()
         "Inspect (focus) message",
         function () { content.focus(); });
 
+    liberator.mappings.add(modes, ["<Space>"],
+        "Scroll message or select next unread one",
+        function () { return true; },
+        { flags: liberator.Mappings.flags.ALLOW_EVENT_ROUTING });
+
     liberator.mappings.add(modes, ["x"],
         "Select thread",
         function () { gDBView.ExpandAndSelectThreadByIndex(GetThreadTree().currentIndex, false) });

content/modes.js

@@ -79,6 +79,8 @@ liberator.modes = (function () //{{{
                 return "-- TEXTAREA" + ext;
             case liberator.modes.MESSAGE:
                 return "-- MESSAGE" + ext;
+            case liberator.modes.COMPOSE:
+                return "-- COMPOSE" + ext;
             case liberator.modes.CUSTOM:
                 return "-- " + liberator.plugins.mode + ext;
             default: // NORMAL mode
@@ -162,7 +164,8 @@ liberator.modes = (function () //{{{
         CARET:            1 << 5, // text cursor is visible
         TEXTAREA:         1 << 6, // text cursor is in a HTMLTextAreaElement
         MESSAGE:          1 << 7, // for now only used in Muttator when the message has focus
-        CUSTOM:           1 << 8,
+        COMPOSE:          1 << 8, 
+        CUSTOM:           1 << 9,
         // extended modes, can include multiple modes, and even main modes
         EX:               1 << 10,
         INPUT_MULTILINE:  1 << 11,
@@ -189,7 +192,7 @@ liberator.modes = (function () //{{{
 
         get all() { return [this.NONE, this.NORMAL, this.INSERT, this.VISUAL,
                             this.HINTS, this.COMMAND_LINE, this.CARET,
-                            this.TEXTAREA, this.MESSAGE, this.CUSTOM]; },
+                            this.TEXTAREA, this.MESSAGE, this.COMPOSE, this.CUSTOM]; },
 
         // show the current mode string in the command line
         show: function ()
@@ -245,6 +248,10 @@ liberator.modes = (function () //{{{
         // keeps recording state
         reset: function (silent)
         {
+            //if (window.wintype == "msgcompose")
+            if (liberator.config.isComposeWindow)
+                this.set(liberator.modes.COMPOSE, liberator.modes.NONE, silent);
+            else    
                 this.set(liberator.modes.NORMAL, liberator.modes.NONE, silent);
         },
 

content/muttator.js

@@ -36,8 +36,13 @@ liberator.config = {
     guioptions: { m: ["mail-toolbar-menubar2"], T: ["mail-bar2"], f: ["folderPaneBox", "folderpane_splitter"], F: ["folderPaneHeader"] },
 
     get browserModes() { return [liberator.modes.MESSAGE]; },
-	get mainWidget() { return GetThreadTree(); }, // focusContent() focuses this widget
+    get mainWidget() { // focusContent() focuses this widget
-	mainWindowID: "messengerWindow", // used for :set titlestring
+        return this.isComposeWindow ?
+               document.getElementById("content-frame") :
+               GetThreadTree();
+    },
+    get mainWindowID() { return this.isComposeWindow ? "msgcomposeWindow" : "messengerWindow"; },
+    isComposeWindow: false,
 
     dialogs: [
         /*["about",            "About Firefox", 
@@ -88,8 +93,33 @@ liberator.config = {
             ["o"], "Open a message",
             function () { liberator.commandline.open(":", "open ", liberator.modes.EX); });
 
+        liberator.mappings.add([liberator.modes.COMPOSE],
+            ["e"], "Edit message",
+            function () { liberator.editor.editWithExternalEditor(); });
+
         // don't wait too long when selecting new messages
-        GetThreadTree()._selectDelay = 300; // TODO: make configurable
+        // GetThreadTree()._selectDelay = 300; // TODO: make configurable
+        this.isComposeWindow = window.wintype == "msgcompose";
+
+        if (this.isComposeWindow)
+        {
+            /*setTimeout(function() {
+                document.getElementById("content-frame").contentDocument.designMode = "off";
+                document.getElementById("content-frame").focus();
+            }, 500);*/
+           //document.getElementById("content-frame").contentWindow.addEventListener("load", function() {
+           /*window.addEventListener("load", function() {
+               alert("load");
+               if (! liberator.editor.editWithExternalEditor())
+                    liberator.echoerr("Editing with external editor failed. Be sure to :set editor correctly");
+           }, true);
+           document.getElementById("content-frame").contentDocument.addEventListener("load", function() {
+               alert("load1");
+           }, true);*/
+           /*document.getElementById("content-frame").addEventListener("DOMContentLoaded", function() {
+               alert("load2");
+           }, true);*/
+        }
     }
 }
 

content/muttator.xul

@@ -63,11 +63,11 @@ the terms of any one of the MPL, the GPL or the LGPL.
         <commandset id="onVimperatorFocus"
             commandupdater="true"
             events="focus"
-            oncommandupdate="liberator.events.onFocusChange(event);"/>
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onFocusChange(event);"/>
         <commandset id="onVimperatorSelect"
             commandupdater="true"
             events="select"
-            oncommandupdate="liberator.events.onSelectionChange(event);"/>
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onSelectionChange(event);"/>
 
         <keyset id="mainKeyset">
             <key id="key_open_vimbar" key=":" oncommand="liberator.commandline.open(':', '', liberator.modes.EX);" modifiers=""/>

content/muttatorcompose.xul

@@ -0,0 +1,140 @@
+<?xml version="1.0"?>
+
+<!-- ***** 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.
+
+(c) 2006-2008: Martin Stubenschrott <stubenschrott@gmx.net>
+
+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 ***** -->
+
+<!--?xml-stylesheet href="chrome://browser/skin/" type="text/css"?-->
+<?xml-stylesheet href="chrome://muttator/skin/vimperator.css" type="text/css"?>
+
+<overlay id="muttator"
+    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+    xmlns:nc="http://home.netscape.com/NC-rdf#"
+    xmlns:html="http://www.w3.org/1999/xhtml"
+    xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+    <script type="application/x-javascript;version=1.8" src="liberator.js"/>
+    <script type="application/x-javascript;version=1.8" src="muttator.js"/>
+
+    <script type="application/x-javascript;version=1.8" src="commands.js"/>
+    <script type="application/x-javascript;version=1.8" src="mappings.js"/>
+    <script type="application/x-javascript;version=1.8" src="options.js"/>
+    <script type="application/x-javascript;version=1.8" src="io.js"/>
+    <script type="application/x-javascript;version=1.8" src="editor.js"/>
+    <!--script type="application/x-javascript;version=1.8" src="mail.js"/-->
+    <script type="application/x-javascript;version=1.8" src="util.js"/>
+    <script type="application/x-javascript;version=1.8" src="modes.js"/>
+    <script type="application/x-javascript;version=1.8" src="events.js"/>
+    <script type="application/x-javascript;version=1.8" src="completion.js"/>
+    <script type="application/x-javascript;version=1.8" src="buffer.js"/>
+    <script type="application/x-javascript;version=1.8" src="find.js"/>
+    <script type="application/x-javascript;version=1.8" src="help.js"/>
+    <script type="application/x-javascript;version=1.8" src="hints.js"/>
+    <script type="application/x-javascript;version=1.8" src="ui.js"/>
+
+    <window id="msgcomposeWindow">
+
+        <!--this notifies us also of focus events in the XUL
+            from: http://developer.mozilla.org/en/docs/XUL_Tutorial:Updating_Commands !-->
+        <commandset id="onLiberatorFocus"
+            commandupdater="true"
+            events="focus"
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onFocusChange(event);"/>
+        <commandset id="onLiberatorSelect"
+            commandupdater="true"
+            events="select"
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onSelectionChange(event);"/>
+
+        <keyset id="mainKeyset">
+            <key id="key_open_vimbar" key=":" oncommand="liberator.commandline.open(':', '', liberator.modes.EX);" modifiers=""/>
+            <key id="key_send" key="y" oncommand="alert('y');" modifiers=""/>
+            <key id="key_stop" keycode="VK_ESCAPE" oncommand="liberator.events.onEscape();"/>
+            <!-- other keys are handled inside the event loop in events.js -->
+        </keyset>
+
+        <statusbar id="status-bar" class="hl-StatusLine">
+            <hbox insertafter="statusText" id="liberator-statusline" flex="1" height="10" hidden="false" align="center">
+                <statusbarpanel class="plain" id="liberator-statusline-field-url" readonly="false" flex="1" crop="end"/>
+                <statusbarpanel class="plain" id="liberator-statusline-field-inputbuffer"    flex="0"/>
+                <statusbarpanel class="plain" id="liberator-statusline-field-progress"       flex="0"/>
+                <statusbarpanel class="plain" id="liberator-statusline-field-tabcount"       flex="0"/>
+                <statusbarpanel class="plain" id="liberator-statusline-field-bufferposition" flex="0"/>
+            </hbox>
+            <!-- just hide them since other elements expect them -->
+            <!--statusbarpanel id="statusText" hidden="true"/>
+            <statusbarpanel id="statusbarpanel-progress" hidden="true"/-->
+        </statusbar>
+
+        <vbox id="liberator-container" hidden="false">
+            <listbox id="liberator-bufferwindow" class="plain" rows="10" flex="1" hidden="true"
+                onclick=   "liberator.bufferwindow.onEvent(event);"
+                ondblclick="liberator.bufferwindow.onEvent(event);"
+                onkeydown= "liberator.bufferwindow.onEvent(event);">
+                <listcols>
+                    <listcol flex="1" width="50%"/>
+                    <listcol flex="1" width="50%"/>
+                </listcols>
+            </listbox>
+
+            <listbox id="liberator-previewwindow" class="plain" rows="10" flex="1" hidden="true"
+                onclick=   "liberator.previewwindow.onEvent(event);"
+                ondblclick="liberator.previewwindow.onEvent(event);"
+                onkeydown= "liberator.previewwindow.onEvent(event);">
+                <listcols>
+                    <listcol flex="1" width="50%"/>
+                    <listcol flex="1" width="50%"/>
+                </listcols>
+            </listbox>
+
+            <iframe id="liberator-multiline-output" src="about:blank" flex="1" height="10px" hidden="false" collapsed="true"
+                onclick="liberator.commandline.onMultilineOutputEvent(event)"/>
+
+            <listbox id="liberator-completion" class="plain" rows="1" flex="1" hidden="true">
+                <listcols>
+                    <listcol flex="1" width="50%"/>
+                    <listcol flex="1" width="50%"/>
+                </listcols>
+            </listbox>
+
+            <hbox insertafter="status-bar" id="liberator-commandline" hidden="false" class="hl-Normal">
+                <label class="plain" id="liberator-commandline-prompt"  flex="0" crop="end" value="" collapsed="true"/>
+                <textbox class="plain" id="liberator-commandline-command" flex="1" type="timed" timeout="100"
+                    oninput="liberator.commandline.onEvent(event);"
+                    onfocus="liberator.commandline.onEvent(event);"
+                    onblur="liberator.commandline.onEvent(event);"/>
+            </hbox>
+
+            <textbox id="liberator-multiline-input" class="plain" flex="1" rows="1" hidden="false" collapsed="true" multiline="true"
+                onkeypress="liberator.commandline.onMultilineInputEvent(event);"
+                oninput="liberator.commandline.onMultilineInputEvent(event);"
+                onblur="liberator.commandline.onMultilineInputEvent(event);"/>
+        </vbox>
+    </window>
+
+</overlay>
+
+<!-- vim: set fdm=marker sw=4 ts=4 et: -->

content/ui.js

@@ -192,10 +192,13 @@ liberator.CommandLine = function () //{{{
         stylesheet.setAttribute("href", "chrome://" + liberator.config.name.toLowerCase() + "/skin/vimperator.css");
         multilineOutputWidget.contentDocument.getElementsByTagName("head")[0].appendChild(stylesheet);
 
-        var availableHeight = getBrowser().mPanelContainer != undefined ?
+        var availableHeight = 250;
+        try
+        {
+            availableHeight = getBrowser().mPanelContainer != undefined ?
                 getBrowser().mPanelContainer.boxObject.height : getBrowser().boxObject.height;
-        if (!availableHeight)
+        }
-            availableHeight = 250;
+        catch (e) {}
         var contentHeight = multilineOutputWidget.contentDocument.height;
         var height = contentHeight < availableHeight ? contentHeight : availableHeight;
 

content/vimperator.xul

@@ -72,11 +72,11 @@ the terms of any one of the MPL, the GPL or the LGPL.
         <commandset id="onVimperatorFocus"
             commandupdater="true"
             events="focus"
-            oncommandupdate="liberator.events.onFocusChange(event);"/>
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onFocusChange(event);"/>
         <commandset id="onVimperatorSelect"
             commandupdater="true"
             events="select"
-            oncommandupdate="liberator.events.onSelectionChange(event);"/>
+            oncommandupdate="if (typeof liberator.events != 'undefined') liberator.events.onSelectionChange(event);"/>
 
         <vbox id="liberator-container" hidden="false">
             <listbox id="liberator-bufferwindow" class="plain" rows="10" flex="1" hidden="true"

install.rdf

@@ -21,7 +21,7 @@
 	    <Description>
 		<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
 		<em:minVersion>3.0b3</em:minVersion>
-		<em:maxVersion>3.0.0.*</em:maxVersion>
+		<em:maxVersion>3.0.*</em:maxVersion>
 	    </Description>
 	</em:targetApplication>
     </Description>