Bug 335605 - Hook up "download dictionaries" context menu, r=brettw

pref("extensions.blocklist.url", "https://addons.mozilla.org/blocklist/1/%APP_ID%/%APP_VERSION%/");

pref("extensions.blocklist.detailsURL", "http://www.mozilla.com/blocklist/");

// Dictionary download preference

pref("browser.dictionaries.download.url", "https://addons.mozilla.org/%LOCALE%/firefox/%VERSION%/dictionaries/");

// App-specific update preferences

// Whether or not app updates are enabled

    addDictionaries : function()

    {

      var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]

                            .getService(Components.interfaces.nsIPromptService);

      // FIXME bug 335605: hook this up so that it takes you to the download

      // web page

      var rv = ps.alert(window, "Add Dictionaries",

          "This command hasn't been hooked up yet. Instead, go to Thunderbird's download page:\n\nhttp://www.mozilla.org/products/thunderbird/dictionaries.html\n\nThese plugins will work in Firefox as well.");

      var uri = gPrefService.getCharPref("browser.dictionaries.download.url");

      var locale = "-";

      try {

        locale = gPrefService.getComplexValue("intl.accept_languages",

                                Components.interfaces.nsIPrefLocalizedString).data;

      }

      catch (e) { }

      var version = "-";

      try {

        version = Components.classes["@mozilla.org/xre/app-info;1"]

                            .getService(Components.interfaces.nsIXULAppInfo)

                            .version;

      }

      catch (e) { }

      uri = uri.replace(/%LOCALE%/, escape(locale));

      uri = uri.replace(/%VERSION%/, version);

      var newWindowPref = gPrefService.getIntPref("browser.link.open_newwindow");

      var where = newWindowPref == 3 ? "tab" : "window";

      openUILinkIn(uri, where);

    }

}