initial commit

README.md

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+This is the quickfire2 add-on.  It contains:
+
+* A program (lib/main.js).
+* A few tests.
+* Some meager documentation.

doc/main.md

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+The main module is a program that creates a widget.  When a user clicks on
+the widget, the program loads the mozilla.org website in a new tab.

lib/apps.js

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+const { Cc, Ci, Cm, Cu, Cr, components } = require("chrome");
+
+let apps = [];
+
+function getAppsFromDirectory(aDir) {
+  var dirs = [aDir];
+  while (dirs.length) {
+    var dir = dirs.shift();
+    var entries = dir.directoryEntries;
+    while (entries.hasMoreElements()) {
+      var entry = entries.getNext();
+      entry.QueryInterface(Ci.nsIFile);
+      if (/\.app$/.test(entry.path))
+        yield entry;
+      else if (entry.isDirectory())
+        dirs.push(entry)
+    }
+  }
+}
+
+function getAppList(callback) {
+  let apps = [];
+  ["LocApp", "UsrApp"].forEach(function(aDir) {
+    var dirFile = Cc["@mozilla.org/file/directory_service;1"].
+                  getService(Ci.nsIProperties).get(aDir, Ci.nsIFile);
+
+    var appGetter = getAppsFromDirectory(dirFile);
+
+    for (var app in appGetter) {
+      if (/\.app$/.test(app.path))
+        apps.push(app);
+    }
+  });
+  callback(apps);
+}
+
+
+getAppList(function(theApps) {
+  apps = theApps;
+});
+
+exports.search = function(searchString, callback) {
+  apps.forEach(function(app) {
+    if (app.path.toLowerCase().indexOf(searchString.toLowerCase()) != -1)
+      callback({
+        leafName: app.leafName,
+        path:     app.path
+      });
+  });
+};
+
+
+function launchApp(aPath) {
+  if (!apps.some(function(app) app.path == aPath))
+    return;
+  var binFile = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
+  binFile.initWithPath(aPath);
+  binFile.launch();
+}
+
+exports.launch = launchApp;