michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
michael@0: 
michael@0: Cu.import("resource://gre/modules/osfile.jsm");
michael@0: Cu.import("resource://gre/modules/Task.jsm");
michael@0: Cu.import("resource://gre/modules/Promise.jsm");
michael@0: 
michael@0: const LINUX = navigator.platform.startsWith("Linux");
michael@0: const MAC = navigator.platform.startsWith("Mac");
michael@0: const WIN = navigator.platform.startsWith("Win");
michael@0: const MAC_106 = navigator.userAgent.contains("Mac OS X 10.6");
michael@0: 
michael@0: function checkFiles(files) {
michael@0:   return Task.spawn(function*() {
michael@0:     for (let file of files) {
michael@0:       if (!(yield OS.File.exists(file))) {
michael@0:         info("File doesn't exist: " + file);
michael@0:         return false;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0:   });
michael@0: }
michael@0: 
michael@0: function checkDateHigherThan(files, date) {
michael@0:   return Task.spawn(function*() {
michael@0:     for (let file of files) {
michael@0:       if (!(yield OS.File.exists(file))) {
michael@0:         info("File doesn't exist: " + file);
michael@0:         return false;
michael@0:       }
michael@0: 
michael@0:       let stat = yield OS.File.stat(file);
michael@0:       if (!(stat.lastModificationDate > date)) {
michael@0:         info("File not newer: " + file);
michael@0:         return false;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0:   });
michael@0: }
michael@0: 
michael@0: function wait(time) {
michael@0:   let deferred = Promise.defer();
michael@0: 
michael@0:   setTimeout(function() {
michael@0:     deferred.resolve();
michael@0:   }, time);
michael@0: 
michael@0:   return deferred.promise;
michael@0: }
michael@0: 
michael@0: // Helper to create a nsIFile from a set of path components
michael@0: function getFile() {
michael@0:   let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
michael@0:   file.initWithPath(OS.Path.join.apply(OS.Path, arguments));
michael@0:   return file;
michael@0: }
michael@0: 
michael@0: function setDryRunPref() {
michael@0:   let old_dry_run;
michael@0:   try {
michael@0:     old_dry_run = Services.prefs.getBoolPref("browser.mozApps.installer.dry_run");
michael@0:   } catch (ex) {}
michael@0: 
michael@0:   Services.prefs.setBoolPref("browser.mozApps.installer.dry_run", false);
michael@0: 
michael@0:   SimpleTest.registerCleanupFunction(function() {
michael@0:     if (old_dry_run === undefined) {
michael@0:       Services.prefs.clearUserPref("browser.mozApps.installer.dry_run");
michael@0:     } else {
michael@0:       Services.prefs.setBoolPref("browser.mozApps.installer.dry_run", old_dry_run);
michael@0:     }
michael@0:   });
michael@0: }