The Tor Browser: comparison toolkit/mozapps/downloads/tests/chrome/utils.js

comparison: toolkit/mozapps/downloads/tests/chrome/utils.js

toolkit/mozapps/downloads/tests/chrome/utils.js

changeset 0: 6474c204b198

equal deleted inserted replaced

--1:000000000000
+:2c630279c8a8
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/**
+* Provides utility functions for the download manager chrome tests.
+*/
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+Components.utils.import("resource://gre/modules/Services.jsm");
+/**
+* Returns the toolkit implementation of the download manager UI service.
+* If the toolkit implementation of the service can't be found (e.g. because
+* SeaMonkey doesn't package that version but an own implementation that calls
+* different UI), then returns false (see bug 483781).
+*
+* @returns toolkit's nsIDownloadManagerUI implementation or false if not found
+*/
+function getDMUI()
+{
+try {
+// This method throws an exception if the old Download Manager is disabled.
+Services.downloads.activeDownloadCount;
+} catch (ex) {
+return false;
+}
+if (Components.classesByID["{7dfdf0d1-aff6-4a34-bad1-d0fe74601642}"])
+return Components.classesByID["{7dfdf0d1-aff6-4a34-bad1-d0fe74601642}"].
+getService(Ci.nsIDownloadManagerUI);
+return false;
+}
+/**
+* Adds a live download to the download manager.
+*
+* @param [optional] aName
+*        The name that will be assigned to the downloaded file.
+* @returns an instance of nsIDownload.
+*/
+function addDownload(aName) {
+function createURI(aObj) {
+let ios = Cc["@mozilla.org/network/io-service;1"].
+getService(Ci.nsIIOService);
+return (aObj instanceof Ci.nsIFile) ? ios.newFileURI(aObj) :
+ios.newURI(aObj, null, null);
+}
+function randomString() {
+let chars = "ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
+let string_length = 8;
+let randomstring = "";
+for (let i=0; i<string_length; i++) {
+let rnum = Math.floor(Math.random() * chars.length);
+randomstring += chars.substring(rnum, rnum+1);
+}
+return randomstring;
+}
+let dm = Cc["@mozilla.org/download-manager;1"].
+getService(Ci.nsIDownloadManager);
+const nsIWBP = Ci.nsIWebBrowserPersist;
+let persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"]
+.createInstance(Ci.nsIWebBrowserPersist);
+persist.persistFlags = nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES |
+nsIWBP.PERSIST_FLAGS_BYPASS_CACHE |
+nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
+let dirSvc = Cc["@mozilla.org/file/directory_service;1"].
+getService(Ci.nsIProperties);
+let dmFile = dirSvc.get("TmpD", Ci.nsIFile);
+dmFile.append(aName || ("dm-test-file-" + randomString()));
+if (dmFile.exists())
+throw "Download file already exists";
+let dl = dm.addDownload(Ci.nsIDownloadManager.DOWNLOAD_TYPE_DOWNLOAD,
+createURI("http://example.com/httpd.js"),
+createURI(dmFile), null, null,
+Math.round(Date.now() * 1000), null, persist, false);
+let privacyContext = window.QueryInterface(Ci.nsIInterfaceRequestor)
+.getInterface(Ci.nsIWebNavigation)
+.QueryInterface(Ci.nsILoadContext);
+persist.progressListener = dl.QueryInterface(Ci.nsIWebProgressListener);
+persist.saveURI(dl.source, null, null, null, null, dl.targetFile, privacyContext);
+return dl;
+}
+/**
+* Used to populate the dm with dummy download data.
+*
+* @param aDownloadData
+*        An array that contains the dummy download data to be added to the DM.
+*        Expected fields are:
+*          name, source, target, startTime, endTime, state, currBytes,
+*          maxBytes, preferredAction, and autoResume
+*/
+function populateDM(DownloadData)
+{
+let dm = Cc["@mozilla.org/download-manager;1"].
+getService(Ci.nsIDownloadManager);
+let db = dm.DBConnection;
+let stmt = db.createStatement(
+"INSERT INTO moz_downloads (name, source, target, startTime, endTime, " +
+"state, currBytes, maxBytes, preferredAction, autoResume) " +
+"VALUES (:name, :source, :target, :startTime, :endTime, :state, " +
+":currBytes, :maxBytes, :preferredAction, :autoResume)");
+for each (let dl in DownloadData) {
+for (let prop in dl)
+stmt.params[prop] = dl[prop];
+stmt.execute();
+}
+stmt.finalize();
+}
+/**
+* Returns an instance to the download manager window
+*
+* @return an instance of nsIDOMWindow
+*/
+function getDMWindow()
+{
+return Cc["@mozilla.org/appshell/window-mediator;1"].
+getService(Ci.nsIWindowMediator).
+getMostRecentWindow("Download:Manager");
+}
+/**
+* Establishes a clean state to run a test in by removing everything from the
+* database and ensuring that the download manager's window is not open.
+*/
+function setCleanState()
+{
+let dm = Cc["@mozilla.org/download-manager;1"].
+getService(Ci.nsIDownloadManager);
+// Clean the dm
+dm.DBConnection.executeSimpleSQL("DELETE FROM moz_downloads");
+let win = getDMWindow();
+if (win) win.close();
+}
+/**
+* Clears history invoking callback when done.
+*/
+function waitForClearHistory(aCallback) {
+Components.utils.import("resource://gre/modules/PlacesUtils.jsm");
+Services.obs.addObserver(function observeClearHistory(aSubject, aTopic) {
+Services.obs.removeObserver(observeClearHistory, aTopic);
+aCallback();
+}, PlacesUtils.TOPIC_EXPIRATION_FINISHED, false);
+PlacesUtils.bhistory.removeAllPages();
+}