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downloads.js
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downloads.js
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/* ***** 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:https://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.
*
* The Original Code is MozMill Test code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Henrik Skupin <[email protected]>
* Anthony Hughes <[email protected]>
*
* 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 ***** */
/**
* @fileoverview
* The DownloadsAPI adds support for download related functions. It also gives
* access to the Download Manager.
*
* @version 1.0.1
*/
// Include required modules
var utils = require("utils");
const gTimeout = 5000;
/**
* List of available download states
*/
const downloadState = {
notStarted : -1,
downloading : 0,
finished : 1,
failed : 2,
canceled : 3,
paused : 4,
queued : 5,
blockedParental : 6,
scanning : 7,
dirty : 8,
blockedPolicy : 9
}
/**
* Constructor
*/
function downloadManager() {
this._controller = null;
this.downloadState = downloadState;
this._dms = Cc["@mozilla.org/download-manager;1"].
getService(Ci.nsIDownloadManager);
}
/**
* Download Manager class
*/
downloadManager.prototype = {
/**
* Returns the controller of the current window
*
* @returns Mozmill Controller
* @type {MozMillController}
*/
get controller() {
return this._controller;
},
/**
* Returns the number of currently active downloads
*
* @returns Number of active downloads
* @type {number}
*/
get activeDownloadCount() {
return this._dms.activeDownloadCount;
},
/**
* Cancel all active downloads
*/
cancelActiveDownloads : function downloadManager_cancelActiveDownloads() {
// Get a list of all active downloads (nsISimpleEnumerator)
var downloads = this._dms.activeDownloads;
// Iterate through each active download and cancel it
while (downloads.hasMoreElements()) {
var download = downloads.getNext().QueryInterface(Ci.nsIDownload);
this._dms.cancelDownload(download.id);
}
},
/**
* Remove all downloads from the database
*/
cleanUp : function downloadManager_cleanUp()
{
this._dms.cleanUp();
},
/**
* Cancel any active downloads, remove the files, and clean
* up the Download Manager database
*
* @param {Array of download} downloads
* Downloaded files which should be deleted (optional)
*/
cleanAll : function downloadManager_cleanAll(downloads) {
// Cancel any active downloads
this.cancelActiveDownloads();
// If no downloads have been specified retrieve the list from the database
if (downloads === undefined || downloads.length == 0)
downloads = this.getAllDownloads();
else
downloads = downloads.concat(this.getAllDownloads());
// Delete all files referred to in the Download Manager
this.deleteDownloadedFiles(downloads);
// Clean any entries from the Download Manager database
this.cleanUp();
},
/**
* Close the download manager
*
* @param {boolean} force
* Force the closing of the DM window
*/
close : function downloadManager_close(force) {
var windowCount = mozmill.utils.getWindows().length;
if (this._controller) {
// Check if we should force the closing of the DM window
if (force) {
this._controller.window.close();
} else {
var cmdKey = utils.getEntity(this.getDtds(), "cmd.close.commandKey");
this._controller.keypress(null, cmdKey, {accelKey: true});
}
this._controller.waitForEval("subject.getWindows().length == " + (windowCount - 1),
gTimeout, 100, mozmill.utils);
this._controller = null;
}
},
/**
* Delete all downloads from the local drive
*
* @param {download} downloads
* List of downloaded files
*/
deleteDownloadedFiles : function downloadManager_deleteDownloadedFiles(downloads) {
downloads.forEach(function(download) {
try {
var file = getLocalFileFromNativePathOrUrl(download.target);
file.remove(false);
} catch (ex) {
}
});
},
/**
* Get the list of all downloaded files in the database
*
* @returns List of downloads
* @type {Array of download}
*/
getAllDownloads : function downloadManager_getAllDownloads() {
var dbConn = this._dms.DBConnection;
var stmt = null;
if (dbConn.schemaVersion < 3)
return new Array();
// Run a SQL query and iterate through all results which have been found
var downloads = [];
stmt = dbConn.createStatement("SELECT * FROM moz_downloads");
while (stmt.executeStep()) {
downloads.push({
id: stmt.row.id, name: stmt.row.name, target: stmt.row.target,
tempPath: stmt.row.tempPath, startTime: stmt.row.startTime,
endTime: stmt.row.endTime, state: stmt.row.state,
referrer: stmt.row.referrer, entityID: stmt.row.entityID,
currBytes: stmt.row.currBytes, maxBytes: stmt.row.maxBytes,
mimeType : stmt.row.mimeType, autoResume: stmt.row.autoResume,
preferredApplication: stmt.row.preferredApplication,
preferredAction: stmt.row.preferredAction
});
};
stmt.reset();
return downloads;
},
/**
* Gets the download state of the given download
*
* @param {ElemBase} download
* Download which state should be checked
*/
getDownloadState : function downloadManager_getDownloadState(download) {
return download.getNode().getAttribute('state');
},
/**
* Gets all the needed external DTD urls as an array
*
* @returns Array of external DTD urls
* @type [string]
*/
getDtds : function downloadManager_getDtds() {
var dtds = ["chrome:https://browser/locale/browser.dtd",
"chrome:https://mozapps/locale/downloads/downloads.dtd"];
return dtds;
},
/**
* Retrieve an UI element based on the given spec
*
* @param {object} spec
* Information of the UI element which should be retrieved
* type: General type information
* subtype: Specific element or property
* value: Value of the element or property
* @returns Element which has been created
* @type {ElemBase}
*/
getElement : function downloadManager_getElement(spec) {
var elem = null;
switch(spec.type) {
/**
* subtype: subtype of property to match
* value: value of property to match
*/
case "download":
// Use a temporary lookup to get the download item
var download = new elementslib.Lookup(this._controller.window.document,
'/id("downloadManager")/id("downloadView")/' +
'{"' + spec.subtype + '":"' + spec.value + '"}');
this._controller.waitForElement(download, gTimeout);
// Use its download id to construct the real lookup expression
elem = new elementslib.Lookup(this._controller.window.document,
'/id("downloadManager")/id("downloadView")/' +
'id("' + download.getNode().getAttribute('id') + '")');
break;
/**
* subtype: Identifier of the specified download button (cancel, pause, resume, retry)
* value: Entry (download) of the download list
*/
case "download_button":
// XXX: Bug 555347 - There are outstanding events to process
this._controller.sleep(0);
elem = new elementslib.Lookup(this._controller.window.document, spec.value.expression +
'/anon({"flex":"1"})/[1]/[1]/{"cmd":"cmd_' + spec.subtype + '"}');
break;
default:
throw new Error(arguments.callee.name + ": Unknown element type - " + spec.type);
}
return elem;
},
/**
* Open the Download Manager
*
* @param {MozMillController} controller
* MozMillController of the window to operate on
* @param {boolean} shortcut
* If true the keyboard shortcut is used
*/
open : function downloadManager_open(controller, shortcut) {
if (shortcut) {
if (mozmill.isLinux) {
var cmdKey = utils.getEntity(this.getDtds(), "downloadsUnix.commandkey");
controller.keypress(null, cmdKey, {ctrlKey: true, shiftKey: true});
} else {
var cmdKey = utils.getEntity(this.getDtds(), "downloads.commandkey");
controller.keypress(null, cmdKey, {accelKey: true});
}
} else {
controller.click(new elementslib.Elem(controller.menus["tools-menu"].menu_openDownloads));
}
controller.sleep(500);
this.waitForOpened(controller);
},
/**
* Wait for the given download state
*
* @param {MozMillController} controller
* MozMillController of the window to operate on
* @param {downloadState} state
* Expected state of the download
* @param {number} timeout
* Timeout for waiting for the download state (optional)
*/
waitForDownloadState : function downloadManager_waitForDownloadState(download, state, timeout) {
this._controller.waitForEval("subject.manager.getDownloadState(subject.download) == subject.state", timeout, 100,
{manager: this, download: download, state: state});
},
/**
* Wait until the Download Manager has been opened
*
* @param {MozMillController} controller
* MozMillController of the window to operate on
*/
waitForOpened : function downloadManager_waitForOpened(controller) {
this._controller = utils.handleWindow("type", "Download:Manager",
null, true);
}
};
/**
* Download the file of unkown type from the given location by saving it
* automatically to disk
*
* @param {MozMillController} controller
* MozMillController of the browser window
* @param {string} url
* URL of the file which has to be downloaded
*/
var downloadFileOfUnknownType = function(controller, url) {
controller.open(url);
// Wait until the unknown content type dialog has been opened
controller.waitForEval("subject.getMostRecentWindow('').document.documentElement.id == 'unknownContentType'",
gTimeout, 100, mozmill.wm);
utils.handleWindow("type", "", function (controller) {
// Select to save the file directly
var saveFile = new elementslib.ID(controller.window.document, "save");
controller.waitThenClick(saveFile, gTimeout);
controller.waitForEval("subject.selected == true", gTimeout, 100,
saveFile.getNode());
// Wait until the OK button has been enabled and click on it
var button = new elementslib.Lookup(controller.window.document,
'/id("unknownContentType")/anon({"anonid":"buttons"})/{"dlgtype":"accept"}');
controller.waitForElement(button, gTimeout);
controller.waitForEval("subject.okButton.hasAttribute('disabled') == false", gTimeout, 100,
{okButton: button.getNode()});
controller.click(button);
});
}
/**
* Get a local file from a native path or URL
*
* @param {string} aPathOrUrl
* Native path or URL of the file
* @see http:https://mxr.mozilla.org/mozilla-central/source/toolkit/mozapps/downloads/content/downloads.js#1309
*/
function getLocalFileFromNativePathOrUrl(aPathOrUrl) {
if (aPathOrUrl.substring(0,7) == "file:https://") {
// if this is a URL, get the file from that
let ioSvc = Cc["@mozilla.org/network/io-service;1"]
.getService(Ci.nsIIOService);
// XXX it's possible that using a null char-set here is bad
const fileUrl = ioSvc.newURI(aPathOrUrl, null, null)
.QueryInterface(Ci.nsIFileURL);
return fileUrl.file.clone().QueryInterface(Ci.nsILocalFile);
} else {
// if it's a pathname, create the nsILocalFile directly
var f = new nsLocalFile(aPathOrUrl);
return f;
}
}
// Export of variables
exports.downloadState = downloadState;
// Export of functions
exports.downloadFileOfUnknownType = downloadFileOfUnknownType;
exports.getLocalFileFromNativePathOrUrl = getLocalFileFromNativePathOrUrl;
// Export of classes
exports.downloadManager = downloadManager;