From a1be17c1cea81ebb1e8b131a662c698d78f3f7f2 Mon Sep 17 00:00:00 2001 From: wolfbeast Date: Mon, 4 Jun 2018 13:17:38 +0200 Subject: Issue #303 Part 1: Move basilisk files from /browser to /application/basilisk --- .../components/downloads/DownloadsCommon.jsm | 1559 ++++++++++++++++++ .../components/downloads/DownloadsTaskbar.jsm | 177 ++ .../components/downloads/DownloadsViewUI.jsm | 395 +++++ .../downloads/content/allDownloadsViewOverlay.js | 1439 ++++++++++++++++ .../downloads/content/allDownloadsViewOverlay.xul | 131 ++ .../downloads/content/contentAreaDownloadsView.css | 11 + .../downloads/content/contentAreaDownloadsView.js | 17 + .../downloads/content/contentAreaDownloadsView.xul | 46 + .../components/downloads/content/download.xml | 99 ++ .../components/downloads/content/downloads.css | 267 +++ .../components/downloads/content/downloads.js | 1732 ++++++++++++++++++++ .../downloads/content/downloadsOverlay.xul | 210 +++ .../components/downloads/content/indicator.js | 606 +++++++ .../downloads/content/indicatorOverlay.xul | 36 + application/basilisk/components/downloads/jar.mn | 16 + .../basilisk/components/downloads/moz.build | 13 + 16 files changed, 6754 insertions(+) create mode 100644 application/basilisk/components/downloads/DownloadsCommon.jsm create mode 100644 application/basilisk/components/downloads/DownloadsTaskbar.jsm create mode 100644 application/basilisk/components/downloads/DownloadsViewUI.jsm create mode 100644 application/basilisk/components/downloads/content/allDownloadsViewOverlay.js create mode 100644 application/basilisk/components/downloads/content/allDownloadsViewOverlay.xul create mode 100644 application/basilisk/components/downloads/content/contentAreaDownloadsView.css create mode 100644 application/basilisk/components/downloads/content/contentAreaDownloadsView.js create mode 100644 application/basilisk/components/downloads/content/contentAreaDownloadsView.xul create mode 100644 application/basilisk/components/downloads/content/download.xml create mode 100644 application/basilisk/components/downloads/content/downloads.css create mode 100644 application/basilisk/components/downloads/content/downloads.js create mode 100644 application/basilisk/components/downloads/content/downloadsOverlay.xul create mode 100644 application/basilisk/components/downloads/content/indicator.js create mode 100644 application/basilisk/components/downloads/content/indicatorOverlay.xul create mode 100644 application/basilisk/components/downloads/jar.mn create mode 100644 application/basilisk/components/downloads/moz.build (limited to 'application/basilisk/components/downloads') diff --git a/application/basilisk/components/downloads/DownloadsCommon.jsm b/application/basilisk/components/downloads/DownloadsCommon.jsm new file mode 100644 index 000000000..90f14f2d8 --- /dev/null +++ b/application/basilisk/components/downloads/DownloadsCommon.jsm @@ -0,0 +1,1559 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */ +/* 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/. */ + +"use strict"; + +this.EXPORTED_SYMBOLS = [ + "DownloadsCommon", +]; + +/** + * Handles the Downloads panel shared methods and data access. + * + * This file includes the following constructors and global objects: + * + * DownloadsCommon + * This object is exposed directly to the consumers of this JavaScript module, + * and provides shared methods for all the instances of the user interface. + * + * DownloadsData + * Retrieves the list of past and completed downloads from the underlying + * Downloads API data, and provides asynchronous notifications allowing + * to build a consistent view of the available data. + * + * DownloadsIndicatorData + * This object registers itself with DownloadsData as a view, and transforms the + * notifications it receives into overall status data, that is then broadcast to + * the registered download status indicators. + */ + +//////////////////////////////////////////////////////////////////////////////// +//// Globals + +const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); +Cu.import("resource://gre/modules/Services.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "NetUtil", + "resource://gre/modules/NetUtil.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "PluralForm", + "resource://gre/modules/PluralForm.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "AppConstants", + "resource://gre/modules/AppConstants.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Downloads", + "resource://gre/modules/Downloads.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadUIHelper", + "resource://gre/modules/DownloadUIHelper.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils", + "resource://gre/modules/DownloadUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "FileUtils", + "resource://gre/modules/FileUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "OS", + "resource://gre/modules/osfile.jsm") +XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", + "resource://gre/modules/PlacesUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils", + "resource://gre/modules/PrivateBrowsingUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", + "resource:///modules/RecentWindow.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Promise", + "resource://gre/modules/Promise.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Task", + "resource://gre/modules/Task.jsm"); + +XPCOMUtils.defineLazyGetter(this, "DownloadsLogger", () => { + let { ConsoleAPI } = Cu.import("resource://gre/modules/Console.jsm", {}); + let consoleOptions = { + maxLogLevelPref: "browser.download.loglevel", + prefix: "Downloads" + }; + return new ConsoleAPI(consoleOptions); +}); + +const nsIDM = Ci.nsIDownloadManager; + +const kDownloadsStringBundleUrl = + "chrome://browser/locale/downloads/downloads.properties"; + +const kDownloadsStringsRequiringFormatting = { + sizeWithUnits: true, + shortTimeLeftSeconds: true, + shortTimeLeftMinutes: true, + shortTimeLeftHours: true, + shortTimeLeftDays: true, + statusSeparator: true, + statusSeparatorBeforeNumber: true, + fileExecutableSecurityWarning: true +}; + +const kDownloadsStringsRequiringPluralForm = { + otherDownloads2: true +}; + +const kPartialDownloadSuffix = ".part"; + +const kPrefBranch = Services.prefs.getBranch("browser.download."); + +var PrefObserver = { + QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, + Ci.nsISupportsWeakReference]), + getPref(name) { + try { + switch (typeof this.prefs[name]) { + case "boolean": + return kPrefBranch.getBoolPref(name); + } + } catch (ex) { } + return this.prefs[name]; + }, + observe(aSubject, aTopic, aData) { + if (this.prefs.hasOwnProperty(aData)) { + delete this[aData]; + return this[aData] = this.getPref(aData); + } + }, + register(prefs) { + this.prefs = prefs; + kPrefBranch.addObserver("", this, true); + for (let key in prefs) { + let name = key; + XPCOMUtils.defineLazyGetter(this, name, function () { + return PrefObserver.getPref(name); + }); + } + }, +}; + +PrefObserver.register({ + // prefName: defaultValue + animateNotifications: true, + showPanelDropmarker: true, +}); + + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsCommon + +/** + * This object is exposed directly to the consumers of this JavaScript module, + * and provides shared methods for all the instances of the user interface. + */ +this.DownloadsCommon = { + ATTENTION_NONE: "", + ATTENTION_SUCCESS: "success", + ATTENTION_WARNING: "warning", + ATTENTION_SEVERE: "severe", + + /** + * Returns an object whose keys are the string names from the downloads string + * bundle, and whose values are either the translated strings or functions + * returning formatted strings. + */ + get strings() { + let strings = {}; + let sb = Services.strings.createBundle(kDownloadsStringBundleUrl); + let enumerator = sb.getSimpleEnumeration(); + while (enumerator.hasMoreElements()) { + let string = enumerator.getNext().QueryInterface(Ci.nsIPropertyElement); + let stringName = string.key; + if (stringName in kDownloadsStringsRequiringFormatting) { + strings[stringName] = function () { + // Convert "arguments" to a real array before calling into XPCOM. + return sb.formatStringFromName(stringName, + Array.slice(arguments, 0), + arguments.length); + }; + } else if (stringName in kDownloadsStringsRequiringPluralForm) { + strings[stringName] = function (aCount) { + // Convert "arguments" to a real array before calling into XPCOM. + let formattedString = sb.formatStringFromName(stringName, + Array.slice(arguments, 0), + arguments.length); + return PluralForm.get(aCount, formattedString); + }; + } else { + strings[stringName] = string.value; + } + } + delete this.strings; + return this.strings = strings; + }, + + /** + * Generates a very short string representing the given time left. + * + * @param aSeconds + * Value to be formatted. It represents the number of seconds, it must + * be positive but does not need to be an integer. + * + * @return Formatted string, for example "30s" or "2h". The returned value is + * maximum three characters long, at least in English. + */ + formatTimeLeft(aSeconds) { + // Decide what text to show for the time + let seconds = Math.round(aSeconds); + if (!seconds) { + return ""; + } else if (seconds <= 30) { + return DownloadsCommon.strings["shortTimeLeftSeconds"](seconds); + } + let minutes = Math.round(aSeconds / 60); + if (minutes < 60) { + return DownloadsCommon.strings["shortTimeLeftMinutes"](minutes); + } + let hours = Math.round(minutes / 60); + if (hours < 48) { // two days + return DownloadsCommon.strings["shortTimeLeftHours"](hours); + } + let days = Math.round(hours / 24); + return DownloadsCommon.strings["shortTimeLeftDays"](Math.min(days, 99)); + }, + + /** + * Indicates whether we should show visual notification on the indicator + * when a download event is triggered. + */ + get animateNotifications() { + return PrefObserver.animateNotifications; + }, + + /** + * Indicates whether we should show the dropmarker in the Downloads Panel. + */ + get showPanelDropmarker() { + return PrefObserver.showPanelDropmarker; + }, + + /** + * Get access to one of the DownloadsData or PrivateDownloadsData objects, + * depending on the privacy status of the window in question. + * + * @param aWindow + * The browser window which owns the download button. + */ + getData(aWindow) { + if (PrivateBrowsingUtils.isContentWindowPrivate(aWindow)) { + return PrivateDownloadsData; + } else { + return DownloadsData; + } + }, + + /** + * Initializes the Downloads back-end and starts receiving events for both the + * private and non-private downloads data objects. + */ + initializeAllDataLinks() { + DownloadsData.initializeDataLink(); + PrivateDownloadsData.initializeDataLink(); + }, + + /** + * Get access to one of the DownloadsIndicatorData or + * PrivateDownloadsIndicatorData objects, depending on the privacy status of + * the window in question. + */ + getIndicatorData(aWindow) { + if (PrivateBrowsingUtils.isContentWindowPrivate(aWindow)) { + return PrivateDownloadsIndicatorData; + } else { + return DownloadsIndicatorData; + } + }, + + /** + * Returns a reference to the DownloadsSummaryData singleton - creating one + * in the process if one hasn't been instantiated yet. + * + * @param aWindow + * The browser window which owns the download button. + * @param aNumToExclude + * The number of items on the top of the downloads list to exclude + * from the summary. + */ + getSummary(aWindow, aNumToExclude) { + if (PrivateBrowsingUtils.isContentWindowPrivate(aWindow)) { + if (this._privateSummary) { + return this._privateSummary; + } + return this._privateSummary = new DownloadsSummaryData(true, aNumToExclude); + } else { + if (this._summary) { + return this._summary; + } + return this._summary = new DownloadsSummaryData(false, aNumToExclude); + } + }, + _summary: null, + _privateSummary: null, + + /** + * Returns the legacy state integer value for the provided Download object. + */ + stateOfDownload(download) { + // Collapse state using the correct priority. + if (!download.stopped) { + return nsIDM.DOWNLOAD_DOWNLOADING; + } + if (download.succeeded) { + return nsIDM.DOWNLOAD_FINISHED; + } + if (download.error) { + if (download.error.becauseBlockedByParentalControls) { + return nsIDM.DOWNLOAD_BLOCKED_PARENTAL; + } + if (download.error.becauseBlockedByReputationCheck) { + return nsIDM.DOWNLOAD_DIRTY; + } + return nsIDM.DOWNLOAD_FAILED; + } + if (download.canceled) { + if (download.hasPartialData) { + return nsIDM.DOWNLOAD_PAUSED; + } + return nsIDM.DOWNLOAD_CANCELED; + } + return nsIDM.DOWNLOAD_NOTSTARTED; + }, + + /** + * Helper function required because the Downloads Panel and the Downloads View + * don't share the controller yet. + */ + removeAndFinalizeDownload(download) { + Downloads.getList(Downloads.ALL) + .then(list => list.remove(download)) + .then(() => download.finalize(true)) + .catch(Cu.reportError); + }, + + /** + * Given an iterable collection of Download objects, generates and returns + * statistics about that collection. + * + * @param downloads An iterable collection of Download objects. + * + * @return Object whose properties are the generated statistics. Currently, + * we return the following properties: + * + * numActive : The total number of downloads. + * numPaused : The total number of paused downloads. + * numDownloading : The total number of downloads being downloaded. + * totalSize : The total size of all downloads once completed. + * totalTransferred: The total amount of transferred data for these + * downloads. + * slowestSpeed : The slowest download rate. + * rawTimeLeft : The estimated time left for the downloads to + * complete. + * percentComplete : The percentage of bytes successfully downloaded. + */ + summarizeDownloads(downloads) { + let summary = { + numActive: 0, + numPaused: 0, + numDownloading: 0, + totalSize: 0, + totalTransferred: 0, + // slowestSpeed is Infinity so that we can use Math.min to + // find the slowest speed. We'll set this to 0 afterwards if + // it's still at Infinity by the time we're done iterating all + // download. + slowestSpeed: Infinity, + rawTimeLeft: -1, + percentComplete: -1 + } + + for (let download of downloads) { + summary.numActive++; + + if (!download.stopped) { + summary.numDownloading++; + if (download.hasProgress && download.speed > 0) { + let sizeLeft = download.totalBytes - download.currentBytes; + summary.rawTimeLeft = Math.max(summary.rawTimeLeft, + sizeLeft / download.speed); + summary.slowestSpeed = Math.min(summary.slowestSpeed, + download.speed); + } + } else if (download.canceled && download.hasPartialData) { + summary.numPaused++; + } + + // Only add to total values if we actually know the download size. + if (download.succeeded) { + summary.totalSize += download.target.size; + summary.totalTransferred += download.target.size; + } else if (download.hasProgress) { + summary.totalSize += download.totalBytes; + summary.totalTransferred += download.currentBytes; + } + } + + if (summary.totalSize != 0) { + summary.percentComplete = (summary.totalTransferred / + summary.totalSize) * 100; + } + + if (summary.slowestSpeed == Infinity) { + summary.slowestSpeed = 0; + } + + return summary; + }, + + /** + * If necessary, smooths the estimated number of seconds remaining for one + * or more downloads to complete. + * + * @param aSeconds + * Current raw estimate on number of seconds left for one or more + * downloads. This is a floating point value to help get sub-second + * accuracy for current and future estimates. + */ + smoothSeconds(aSeconds, aLastSeconds) { + // We apply an algorithm similar to the DownloadUtils.getTimeLeft function, + // though tailored to a single time estimation for all downloads. We never + // apply something if the new value is less than half the previous value. + let shouldApplySmoothing = aLastSeconds >= 0 && + aSeconds > aLastSeconds / 2; + if (shouldApplySmoothing) { + // Apply hysteresis to favor downward over upward swings. Trust only 30% + // of the new value if lower, and 10% if higher (exponential smoothing). + let diff = aSeconds - aLastSeconds; + aSeconds = aLastSeconds + (diff < 0 ? .3 : .1) * diff; + + // If the new time is similar, reuse something close to the last time + // left, but subtract a little to provide forward progress. + diff = aSeconds - aLastSeconds; + let diffPercent = diff / aLastSeconds * 100; + if (Math.abs(diff) < 5 || Math.abs(diffPercent) < 5) { + aSeconds = aLastSeconds - (diff < 0 ? .4 : .2); + } + } + + // In the last few seconds of downloading, we are always subtracting and + // never adding to the time left. Ensure that we never fall below one + // second left until all downloads are actually finished. + return aLastSeconds = Math.max(aSeconds, 1); + }, + + /** + * Opens a downloaded file. + * + * @param aFile + * the downloaded file to be opened. + * @param aMimeInfo + * the mime type info object. May be null. + * @param aOwnerWindow + * the window with which this action is associated. + */ + openDownloadedFile(aFile, aMimeInfo, aOwnerWindow) { + if (!(aFile instanceof Ci.nsIFile)) { + throw new Error("aFile must be a nsIFile object"); + } + if (aMimeInfo && !(aMimeInfo instanceof Ci.nsIMIMEInfo)) { + throw new Error("Invalid value passed for aMimeInfo"); + } + if (!(aOwnerWindow instanceof Ci.nsIDOMWindow)) { + throw new Error("aOwnerWindow must be a dom-window object"); + } + + let isWindowsExe = AppConstants.platform == "win" && + aFile.leafName.toLowerCase().endsWith(".exe"); + + let promiseShouldLaunch; + // Don't prompt on Windows for .exe since there will be a native prompt. + if (aFile.isExecutable() && !isWindowsExe) { + // We get a prompter for the provided window here, even though anchoring + // to the most recently active window should work as well. + promiseShouldLaunch = + DownloadUIHelper.getPrompter(aOwnerWindow) + .confirmLaunchExecutable(aFile.path); + } else { + promiseShouldLaunch = Promise.resolve(true); + } + + promiseShouldLaunch.then(shouldLaunch => { + if (!shouldLaunch) { + return; + } + + // Actually open the file. + try { + if (aMimeInfo && aMimeInfo.preferredAction == aMimeInfo.useHelperApp) { + aMimeInfo.launchWithFile(aFile); + return; + } + } catch (ex) { } + + // If either we don't have the mime info, or the preferred action failed, + // attempt to launch the file directly. + try { + aFile.launch(); + } catch (ex) { + // If launch fails, try sending it through the system's external "file:" + // URL handler. + Cc["@mozilla.org/uriloader/external-protocol-service;1"] + .getService(Ci.nsIExternalProtocolService) + .loadUrl(NetUtil.newURI(aFile)); + } + }).then(null, Cu.reportError); + }, + + /** + * Show a downloaded file in the system file manager. + * + * @param aFile + * a downloaded file. + */ + showDownloadedFile(aFile) { + if (!(aFile instanceof Ci.nsIFile)) { + throw new Error("aFile must be a nsIFile object"); + } + try { + // Show the directory containing the file and select the file. + aFile.reveal(); + } catch (ex) { + // If reveal fails for some reason (e.g., it's not implemented on unix + // or the file doesn't exist), try using the parent if we have it. + let parent = aFile.parent; + if (parent) { + this.showDirectory(parent); + } + } + }, + + /** + * Show the specified folder in the system file manager. + * + * @param aDirectory + * a directory to be opened with system file manager. + */ + showDirectory(aDirectory) { + if (!(aDirectory instanceof Ci.nsIFile)) { + throw new Error("aDirectory must be a nsIFile object"); + } + try { + aDirectory.launch(); + } catch (ex) { + // If launch fails (probably because it's not implemented), let + // the OS handler try to open the directory. + Cc["@mozilla.org/uriloader/external-protocol-service;1"] + .getService(Ci.nsIExternalProtocolService) + .loadUrl(NetUtil.newURI(aDirectory)); + } + }, + + /** + * Displays an alert message box which asks the user if they want to + * unblock the downloaded file or not. + * + * @param options + * An object with the following properties: + * { + * verdict: + * The detailed reason why the download was blocked, according to + * the "Downloads.Error.BLOCK_VERDICT_" constants. If an unknown + * reason is specified, "Downloads.Error.BLOCK_VERDICT_MALWARE" is + * assumed. + * window: + * The window with which this action is associated. + * dialogType: + * String that determines which actions are available: + * - "unblock" to offer just "unblock". + * - "chooseUnblock" to offer "unblock" and "confirmBlock". + * - "chooseOpen" to offer "open" and "confirmBlock". + * } + * + * @return {Promise} + * @resolves String representing the action that should be executed: + * - "open" to allow the download and open the file. + * - "unblock" to allow the download without opening the file. + * - "confirmBlock" to delete the blocked data permanently. + * - "cancel" to do nothing and cancel the operation. + */ + confirmUnblockDownload: Task.async(function* ({ verdict, window, + dialogType }) { + let s = DownloadsCommon.strings; + + // All the dialogs have an action button and a cancel button, while only + // some of them have an additonal button to remove the file. The cancel + // button must always be the one at BUTTON_POS_1 because this is the value + // returned by confirmEx when using ESC or closing the dialog (bug 345067). + let title = s.unblockHeaderUnblock; + let firstButtonText = s.unblockButtonUnblock; + let firstButtonAction = "unblock"; + let buttonFlags = + (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_0) + + (Ci.nsIPrompt.BUTTON_TITLE_CANCEL * Ci.nsIPrompt.BUTTON_POS_1); + + switch (dialogType) { + case "unblock": + // Use only the unblock action. The default is to cancel. + buttonFlags += Ci.nsIPrompt.BUTTON_POS_1_DEFAULT; + break; + case "chooseUnblock": + // Use the unblock and remove file actions. The default is remove file. + buttonFlags += + (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_2) + + Ci.nsIPrompt.BUTTON_POS_2_DEFAULT; + break; + case "chooseOpen": + // Use the unblock and open file actions. The default is open file. + title = s.unblockHeaderOpen; + firstButtonText = s.unblockButtonOpen; + firstButtonAction = "open"; + buttonFlags += + (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_2) + + Ci.nsIPrompt.BUTTON_POS_0_DEFAULT; + break; + default: + Cu.reportError("Unexpected dialog type: " + dialogType); + return "cancel"; + } + + let message; + switch (verdict) { + case Downloads.Error.BLOCK_VERDICT_UNCOMMON: + message = s.unblockTypeUncommon2; + break; + case Downloads.Error.BLOCK_VERDICT_POTENTIALLY_UNWANTED: + message = s.unblockTypePotentiallyUnwanted2; + break; + default: // Assume Downloads.Error.BLOCK_VERDICT_MALWARE + message = s.unblockTypeMalware; + break; + } + message += "\n\n" + s.unblockTip2; + + Services.ww.registerNotification(function onOpen(subj, topic) { + if (topic == "domwindowopened" && subj instanceof Ci.nsIDOMWindow) { + // Make sure to listen for "DOMContentLoaded" because it is fired + // before the "load" event. + subj.addEventListener("DOMContentLoaded", function onLoad() { + subj.removeEventListener("DOMContentLoaded", onLoad); + if (subj.document.documentURI == + "chrome://global/content/commonDialog.xul") { + Services.ww.unregisterNotification(onOpen); + let dialog = subj.document.getElementById("commonDialog"); + if (dialog) { + // Change the dialog to use a warning icon. + dialog.classList.add("alert-dialog"); + } + } + }); + } + }); + + let rv = Services.prompt.confirmEx(window, title, message, buttonFlags, + firstButtonText, null, + s.unblockButtonConfirmBlock, null, {}); + return [firstButtonAction, "cancel", "confirmBlock"][rv]; + }), +}; + +XPCOMUtils.defineLazyGetter(this.DownloadsCommon, "log", () => { + return DownloadsLogger.log.bind(DownloadsLogger); +}); +XPCOMUtils.defineLazyGetter(this.DownloadsCommon, "error", () => { + return DownloadsLogger.error.bind(DownloadsLogger); +}); + +/** + * Returns true if we are executing on Windows Vista or a later version. + */ +XPCOMUtils.defineLazyGetter(DownloadsCommon, "isWinVistaOrHigher", function () { + let os = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime).OS; + if (os != "WINNT") { + return false; + } + let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2); + return parseFloat(sysInfo.getProperty("version")) >= 6; +}); + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsData + +/** + * Retrieves the list of past and completed downloads from the underlying + * Download Manager data, and provides asynchronous notifications allowing to + * build a consistent view of the available data. + * + * This object responds to real-time changes in the underlying Download Manager + * data. For example, the deletion of one or more downloads is notified through + * the nsIObserver interface, while any state or progress change is notified + * through the nsIDownloadProgressListener interface. + * + * Note that using this object does not automatically start the Download Manager + * service. Consumers will see an empty list of downloads until the service is + * actually started. This is useful to display a neutral progress indicator in + * the main browser window until the autostart timeout elapses. + * + * Note that DownloadsData and PrivateDownloadsData are two equivalent singleton + * objects, one accessing non-private downloads, and the other accessing private + * ones. + */ +function DownloadsDataCtor(aPrivate) { + this._isPrivate = aPrivate; + + // Contains all the available Download objects and their integer state. + this.oldDownloadStates = new Map(); + + // Array of view objects that should be notified when the available download + // data changes. + this._views = []; +} + +DownloadsDataCtor.prototype = { + /** + * Starts receiving events for current downloads. + */ + initializeDataLink() { + if (!this._dataLinkInitialized) { + let promiseList = Downloads.getList(this._isPrivate ? Downloads.PRIVATE + : Downloads.PUBLIC); + promiseList.then(list => list.addView(this)).then(null, Cu.reportError); + this._dataLinkInitialized = true; + } + }, + _dataLinkInitialized: false, + + /** + * Iterator for all the available Download objects. This is empty until the + * data has been loaded using the JavaScript API for downloads. + */ + get downloads() { + return this.oldDownloadStates.keys(); + }, + + /** + * True if there are finished downloads that can be removed from the list. + */ + get canRemoveFinished() { + for (let download of this.downloads) { + // Stopped, paused, and failed downloads with partial data are removed. + if (download.stopped && !(download.canceled && download.hasPartialData)) { + return true; + } + } + return false; + }, + + /** + * Asks the back-end to remove finished downloads from the list. + */ + removeFinished() { + let promiseList = Downloads.getList(this._isPrivate ? Downloads.PRIVATE + : Downloads.PUBLIC); + promiseList.then(list => list.removeFinished()) + .then(null, Cu.reportError); + let indicatorData = this._isPrivate ? PrivateDownloadsIndicatorData + : DownloadsIndicatorData; + indicatorData.attention = DownloadsCommon.ATTENTION_NONE; + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Integration with the asynchronous Downloads back-end + + onDownloadAdded(download) { + // Download objects do not store the end time of downloads, as the Downloads + // API does not need to persist this information for all platforms. Once a + // download terminates on a Desktop browser, it becomes a history download, + // for which the end time is stored differently, as a Places annotation. + download.endTime = Date.now(); + + this.oldDownloadStates.set(download, + DownloadsCommon.stateOfDownload(download)); + + for (let view of this._views) { + view.onDownloadAdded(download, true); + } + }, + + onDownloadChanged(download) { + let oldState = this.oldDownloadStates.get(download); + let newState = DownloadsCommon.stateOfDownload(download); + this.oldDownloadStates.set(download, newState); + + if (oldState != newState) { + if (download.succeeded || + (download.canceled && !download.hasPartialData) || + download.error) { + // Store the end time that may be displayed by the views. + download.endTime = Date.now(); + + // This state transition code should actually be located in a Downloads + // API module (bug 941009). Moreover, the fact that state is stored as + // annotations should be ideally hidden behind methods of + // nsIDownloadHistory (bug 830415). + if (!this._isPrivate) { + try { + let downloadMetaData = { + state: DownloadsCommon.stateOfDownload(download), + endTime: download.endTime, + }; + if (download.succeeded) { + downloadMetaData.fileSize = download.target.size; + } + if (download.error && download.error.reputationCheckVerdict) { + downloadMetaData.reputationCheckVerdict = + download.error.reputationCheckVerdict; + } + + PlacesUtils.annotations.setPageAnnotation( + NetUtil.newURI(download.source.url), + "downloads/metaData", + JSON.stringify(downloadMetaData), 0, + PlacesUtils.annotations.EXPIRE_WITH_HISTORY); + } catch (ex) { + Cu.reportError(ex); + } + } + } + + for (let view of this._views) { + try { + view.onDownloadStateChanged(download); + } catch (ex) { + Cu.reportError(ex); + } + } + + if (download.succeeded || + (download.error && download.error.becauseBlocked)) { + this._notifyDownloadEvent("finish"); + } + } + + if (!download.newDownloadNotified) { + download.newDownloadNotified = true; + this._notifyDownloadEvent("start"); + } + + for (let view of this._views) { + view.onDownloadChanged(download); + } + }, + + onDownloadRemoved(download) { + this.oldDownloadStates.delete(download); + + for (let view of this._views) { + view.onDownloadRemoved(download); + } + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Registration of views + + /** + * Adds an object to be notified when the available download data changes. + * The specified object is initialized with the currently available downloads. + * + * @param aView + * DownloadsView object to be added. This reference must be passed to + * removeView before termination. + */ + addView(aView) { + this._views.push(aView); + this._updateView(aView); + }, + + /** + * Removes an object previously added using addView. + * + * @param aView + * DownloadsView object to be removed. + */ + removeView(aView) { + let index = this._views.indexOf(aView); + if (index != -1) { + this._views.splice(index, 1); + } + }, + + /** + * Ensures that the currently loaded data is added to the specified view. + * + * @param aView + * DownloadsView object to be initialized. + */ + _updateView(aView) { + // Indicate to the view that a batch loading operation is in progress. + aView.onDataLoadStarting(); + + // Sort backwards by start time, ensuring that the most recent + // downloads are added first regardless of their state. + let downloadsArray = [...this.downloads]; + downloadsArray.sort((a, b) => b.startTime - a.startTime); + downloadsArray.forEach(download => aView.onDownloadAdded(download, false)); + + // Notify the view that all data is available. + aView.onDataLoadCompleted(); + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Notifications sent to the most recent browser window only + + /** + * Set to true after the first download causes the downloads panel to be + * displayed. + */ + get panelHasShownBefore() { + try { + return Services.prefs.getBoolPref("browser.download.panel.shown"); + } catch (ex) { } + return false; + }, + + set panelHasShownBefore(aValue) { + Services.prefs.setBoolPref("browser.download.panel.shown", aValue); + return aValue; + }, + + /** + * Displays a new or finished download notification in the most recent browser + * window, if one is currently available with the required privacy type. + * + * @param aType + * Set to "start" for new downloads, "finish" for completed downloads. + */ + _notifyDownloadEvent(aType) { + DownloadsCommon.log("Attempting to notify that a new download has started or finished."); + + // Show the panel in the most recent browser window, if present. + let browserWin = RecentWindow.getMostRecentBrowserWindow({ private: this._isPrivate }); + if (!browserWin) { + return; + } + + if (this.panelHasShownBefore) { + // For new downloads after the first one, don't show the panel + // automatically, but provide a visible notification in the topmost + // browser window, if the status indicator is already visible. + DownloadsCommon.log("Showing new download notification."); + browserWin.DownloadsIndicatorView.showEventNotification(aType); + return; + } + this.panelHasShownBefore = true; + browserWin.DownloadsPanel.showPanel(); + } +}; + +XPCOMUtils.defineLazyGetter(this, "PrivateDownloadsData", function() { + return new DownloadsDataCtor(true); +}); + +XPCOMUtils.defineLazyGetter(this, "DownloadsData", function() { + return new DownloadsDataCtor(false); +}); + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsViewPrototype + +/** + * A prototype for an object that registers itself with DownloadsData as soon + * as a view is registered with it. + */ +const DownloadsViewPrototype = { + ////////////////////////////////////////////////////////////////////////////// + //// Registration of views + + /** + * Array of view objects that should be notified when the available status + * data changes. + * + * SUBCLASSES MUST OVERRIDE THIS PROPERTY. + */ + _views: null, + + /** + * Determines whether this view object is over the private or non-private + * downloads. + * + * SUBCLASSES MUST OVERRIDE THIS PROPERTY. + */ + _isPrivate: false, + + /** + * Adds an object to be notified when the available status data changes. + * The specified object is initialized with the currently available status. + * + * @param aView + * View object to be added. This reference must be + * passed to removeView before termination. + */ + addView(aView) { + // Start receiving events when the first of our views is registered. + if (this._views.length == 0) { + if (this._isPrivate) { + PrivateDownloadsData.addView(this); + } else { + DownloadsData.addView(this); + } + } + + this._views.push(aView); + this.refreshView(aView); + }, + + /** + * Updates the properties of an object previously added using addView. + * + * @param aView + * View object to be updated. + */ + refreshView(aView) { + // Update immediately even if we are still loading data asynchronously. + // Subclasses must provide these two functions! + this._refreshProperties(); + this._updateView(aView); + }, + + /** + * Removes an object previously added using addView. + * + * @param aView + * View object to be removed. + */ + removeView(aView) { + let index = this._views.indexOf(aView); + if (index != -1) { + this._views.splice(index, 1); + } + + // Stop receiving events when the last of our views is unregistered. + if (this._views.length == 0) { + if (this._isPrivate) { + PrivateDownloadsData.removeView(this); + } else { + DownloadsData.removeView(this); + } + } + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Callback functions from DownloadsData + + /** + * Indicates whether we are still loading downloads data asynchronously. + */ + _loading: false, + + /** + * Called before multiple downloads are about to be loaded. + */ + onDataLoadStarting() { + this._loading = true; + }, + + /** + * Called after data loading finished. + */ + onDataLoadCompleted() { + this._loading = false; + }, + + /** + * Called when a new download data item is available, either during the + * asynchronous data load or when a new download is started. + * + * @param download + * Download object that was just added. + * @param newest + * When true, indicates that this item is the most recent and should be + * added in the topmost position. This happens when a new download is + * started. When false, indicates that the item is the least recent + * with regard to the items that have been already added. The latter + * generally happens during the asynchronous data load. + * + * @note Subclasses should override this. + */ + onDownloadAdded(download, newest) { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, + + /** + * Called when the overall state of a Download has changed. In particular, + * this is called only once when the download succeeds or is blocked + * permanently, and is never called if only the current progress changed. + * + * The onDownloadChanged notification will always be sent afterwards. + * + * @note Subclasses should override this. + */ + onDownloadStateChanged(download) { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, + + /** + * Called every time any state property of a Download may have changed, + * including progress properties. + * + * Note that progress notification changes are throttled at the Downloads.jsm + * API level, and there is no throttling mechanism in the front-end. + * + * @note Subclasses should override this. + */ + onDownloadChanged(download) { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, + + /** + * Called when a data item is removed, ensures that the widget associated with + * the view item is removed from the user interface. + * + * @param download + * Download object that is being removed. + * + * @note Subclasses should override this. + */ + onDownloadRemoved(download) { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, + + /** + * Private function used to refresh the internal properties being sent to + * each registered view. + * + * @note Subclasses should override this. + */ + _refreshProperties() { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, + + /** + * Private function used to refresh an individual view. + * + * @note Subclasses should override this. + */ + _updateView() { + throw Components.results.NS_ERROR_NOT_IMPLEMENTED; + }, +}; + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsIndicatorData + +/** + * This object registers itself with DownloadsData as a view, and transforms the + * notifications it receives into overall status data, that is then broadcast to + * the registered download status indicators. + * + * Note that using this object does not automatically start the Download Manager + * service. Consumers will see an empty list of downloads until the service is + * actually started. This is useful to display a neutral progress indicator in + * the main browser window until the autostart timeout elapses. + */ +function DownloadsIndicatorDataCtor(aPrivate) { + this._isPrivate = aPrivate; + this._views = []; +} +DownloadsIndicatorDataCtor.prototype = { + __proto__: DownloadsViewPrototype, + + /** + * Removes an object previously added using addView. + * + * @param aView + * DownloadsIndicatorView object to be removed. + */ + removeView(aView) { + DownloadsViewPrototype.removeView.call(this, aView); + + if (this._views.length == 0) { + this._itemCount = 0; + } + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Callback functions from DownloadsData + + onDataLoadCompleted() { + DownloadsViewPrototype.onDataLoadCompleted.call(this); + this._updateViews(); + }, + + onDownloadAdded(download, newest) { + this._itemCount++; + this._updateViews(); + }, + + onDownloadStateChanged(download) { + if (!download.succeeded && download.error && download.error.reputationCheckVerdict) { + switch (download.error.reputationCheckVerdict) { + case Downloads.Error.BLOCK_VERDICT_UNCOMMON: // fall-through + case Downloads.Error.BLOCK_VERDICT_POTENTIALLY_UNWANTED: + // Existing higher level attention indication trumps ATTENTION_WARNING. + if (this._attention != DownloadsCommon.ATTENTION_SEVERE) { + this.attention = DownloadsCommon.ATTENTION_WARNING; + } + break; + case Downloads.Error.BLOCK_VERDICT_MALWARE: + this.attention = DownloadsCommon.ATTENTION_SEVERE; + break; + default: + this.attention = DownloadsCommon.ATTENTION_SEVERE; + Cu.reportError("Unknown reputation verdict: " + + download.error.reputationCheckVerdict); + } + } else if (download.succeeded) { + // Existing higher level attention indication trumps ATTENTION_SUCCESS. + if (this._attention != DownloadsCommon.ATTENTION_SEVERE && + this._attention != DownloadsCommon.ATTENTION_WARNING) { + this.attention = DownloadsCommon.ATTENTION_SUCCESS; + } + } else if (download.error) { + // Existing higher level attention indication trumps ATTENTION_WARNING. + if (this._attention != DownloadsCommon.ATTENTION_SEVERE) { + this.attention = DownloadsCommon.ATTENTION_WARNING; + } + } + + // Since the state of a download changed, reset the estimated time left. + this._lastRawTimeLeft = -1; + this._lastTimeLeft = -1; + }, + + onDownloadChanged(download) { + this._updateViews(); + }, + + onDownloadRemoved(download) { + this._itemCount--; + this._updateViews(); + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Propagation of properties to our views + + // The following properties are updated by _refreshProperties and are then + // propagated to the views. See _refreshProperties for details. + _hasDownloads: false, + _counter: "", + _percentComplete: -1, + _paused: false, + + /** + * Indicates whether the download indicators should be highlighted. + */ + set attention(aValue) { + this._attention = aValue; + this._updateViews(); + return aValue; + }, + _attention: DownloadsCommon.ATTENTION_NONE, + + /** + * Indicates whether the user is interacting with downloads, thus the + * attention indication should not be shown even if requested. + */ + set attentionSuppressed(aValue) { + this._attentionSuppressed = aValue; + this._attention = DownloadsCommon.ATTENTION_NONE; + this._updateViews(); + return aValue; + }, + _attentionSuppressed: false, + + /** + * Computes aggregate values and propagates the changes to our views. + */ + _updateViews() { + // Do not update the status indicators during batch loads of download items. + if (this._loading) { + return; + } + + this._refreshProperties(); + this._views.forEach(this._updateView, this); + }, + + /** + * Updates the specified view with the current aggregate values. + * + * @param aView + * DownloadsIndicatorView object to be updated. + */ + _updateView(aView) { + aView.hasDownloads = this._hasDownloads; + aView.counter = this._counter; + aView.percentComplete = this._percentComplete; + aView.paused = this._paused; + aView.attention = this._attentionSuppressed ? DownloadsCommon.ATTENTION_NONE + : this._attention; + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Property updating based on current download status + + /** + * Number of download items that are available to be displayed. + */ + _itemCount: 0, + + /** + * Floating point value indicating the last number of seconds estimated until + * the longest download will finish. We need to store this value so that we + * don't continuously apply smoothing if the actual download state has not + * changed. This is set to -1 if the previous value is unknown. + */ + _lastRawTimeLeft: -1, + + /** + * Last number of seconds estimated until all in-progress downloads with a + * known size and speed will finish. This value is stored to allow smoothing + * in case of small variations. This is set to -1 if the previous value is + * unknown. + */ + _lastTimeLeft: -1, + + /** + * A generator function for the Download objects this summary is currently + * interested in. This generator is passed off to summarizeDownloads in order + * to generate statistics about the downloads we care about - in this case, + * it's all active downloads. + */ + * _activeDownloads() { + let downloads = this._isPrivate ? PrivateDownloadsData.downloads + : DownloadsData.downloads; + for (let download of downloads) { + if (!download.stopped || (download.canceled && download.hasPartialData)) { + yield download; + } + } + }, + + /** + * Computes aggregate values based on the current state of downloads. + */ + _refreshProperties() { + let summary = + DownloadsCommon.summarizeDownloads(this._activeDownloads()); + + // Determine if the indicator should be shown or get attention. + this._hasDownloads = (this._itemCount > 0); + + // If all downloads are paused, show the progress indicator as paused. + this._paused = summary.numActive > 0 && + summary.numActive == summary.numPaused; + + this._percentComplete = summary.percentComplete; + + // Display the estimated time left, if present. + if (summary.rawTimeLeft == -1) { + // There are no downloads with a known time left. + this._lastRawTimeLeft = -1; + this._lastTimeLeft = -1; + this._counter = ""; + } else { + // Compute the new time left only if state actually changed. + if (this._lastRawTimeLeft != summary.rawTimeLeft) { + this._lastRawTimeLeft = summary.rawTimeLeft; + this._lastTimeLeft = DownloadsCommon.smoothSeconds(summary.rawTimeLeft, + this._lastTimeLeft); + } + this._counter = DownloadsCommon.formatTimeLeft(this._lastTimeLeft); + } + } +}; + +XPCOMUtils.defineLazyGetter(this, "PrivateDownloadsIndicatorData", function() { + return new DownloadsIndicatorDataCtor(true); +}); + +XPCOMUtils.defineLazyGetter(this, "DownloadsIndicatorData", function() { + return new DownloadsIndicatorDataCtor(false); +}); + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsSummaryData + +/** + * DownloadsSummaryData is a view for DownloadsData that produces a summary + * of all downloads after a certain exclusion point aNumToExclude. For example, + * if there were 5 downloads in progress, and a DownloadsSummaryData was + * constructed with aNumToExclude equal to 3, then that DownloadsSummaryData + * would produce a summary of the last 2 downloads. + * + * @param aIsPrivate + * True if the browser window which owns the download button is a private + * window. + * @param aNumToExclude + * The number of items to exclude from the summary, starting from the + * top of the list. + */ +function DownloadsSummaryData(aIsPrivate, aNumToExclude) { + this._numToExclude = aNumToExclude; + // Since we can have multiple instances of DownloadsSummaryData, we + // override these values from the prototype so that each instance can be + // completely separated from one another. + this._loading = false; + + this._downloads = []; + + // Floating point value indicating the last number of seconds estimated until + // the longest download will finish. We need to store this value so that we + // don't continuously apply smoothing if the actual download state has not + // changed. This is set to -1 if the previous value is unknown. + this._lastRawTimeLeft = -1; + + // Last number of seconds estimated until all in-progress downloads with a + // known size and speed will finish. This value is stored to allow smoothing + // in case of small variations. This is set to -1 if the previous value is + // unknown. + this._lastTimeLeft = -1; + + // The following properties are updated by _refreshProperties and are then + // propagated to the views. + this._showingProgress = false; + this._details = ""; + this._description = ""; + this._numActive = 0; + this._percentComplete = -1; + + this._isPrivate = aIsPrivate; + this._views = []; +} + +DownloadsSummaryData.prototype = { + __proto__: DownloadsViewPrototype, + + /** + * Removes an object previously added using addView. + * + * @param aView + * DownloadsSummary view to be removed. + */ + removeView(aView) { + DownloadsViewPrototype.removeView.call(this, aView); + + if (this._views.length == 0) { + // Clear out our collection of Download objects. If we ever have + // another view registered with us, this will get re-populated. + this._downloads = []; + } + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Callback functions from DownloadsData - see the documentation in + //// DownloadsViewPrototype for more information on what these functions + //// are used for. + + onDataLoadCompleted() { + DownloadsViewPrototype.onDataLoadCompleted.call(this); + this._updateViews(); + }, + + onDownloadAdded(download, newest) { + if (newest) { + this._downloads.unshift(download); + } else { + this._downloads.push(download); + } + + this._updateViews(); + }, + + onDownloadStateChanged() { + // Since the state of a download changed, reset the estimated time left. + this._lastRawTimeLeft = -1; + this._lastTimeLeft = -1; + }, + + onDownloadChanged() { + this._updateViews(); + }, + + onDownloadRemoved(download) { + let itemIndex = this._downloads.indexOf(download); + this._downloads.splice(itemIndex, 1); + this._updateViews(); + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Propagation of properties to our views + + /** + * Computes aggregate values and propagates the changes to our views. + */ + _updateViews() { + // Do not update the status indicators during batch loads of download items. + if (this._loading) { + return; + } + + this._refreshProperties(); + this._views.forEach(this._updateView, this); + }, + + /** + * Updates the specified view with the current aggregate values. + * + * @param aView + * DownloadsIndicatorView object to be updated. + */ + _updateView(aView) { + aView.showingProgress = this._showingProgress; + aView.percentComplete = this._percentComplete; + aView.description = this._description; + aView.details = this._details; + }, + + ////////////////////////////////////////////////////////////////////////////// + //// Property updating based on current download status + + /** + * A generator function for the Download objects this summary is currently + * interested in. This generator is passed off to summarizeDownloads in order + * to generate statistics about the downloads we care about - in this case, + * it's the downloads in this._downloads after the first few to exclude, + * which was set when constructing this DownloadsSummaryData instance. + */ + * _downloadsForSummary() { + if (this._downloads.length > 0) { + for (let i = this._numToExclude; i < this._downloads.length; ++i) { + yield this._downloads[i]; + } + } + }, + + /** + * Computes aggregate values based on the current state of downloads. + */ + _refreshProperties() { + // Pre-load summary with default values. + let summary = + DownloadsCommon.summarizeDownloads(this._downloadsForSummary()); + + this._description = DownloadsCommon.strings + .otherDownloads2(summary.numActive); + this._percentComplete = summary.percentComplete; + + // If all downloads are paused, show the progress indicator as paused. + this._showingProgress = summary.numDownloading > 0 || + summary.numPaused > 0; + + // Display the estimated time left, if present. + if (summary.rawTimeLeft == -1) { + // There are no downloads with a known time left. + this._lastRawTimeLeft = -1; + this._lastTimeLeft = -1; + this._details = ""; + } else { + // Compute the new time left only if state actually changed. + if (this._lastRawTimeLeft != summary.rawTimeLeft) { + this._lastRawTimeLeft = summary.rawTimeLeft; + this._lastTimeLeft = DownloadsCommon.smoothSeconds(summary.rawTimeLeft, + this._lastTimeLeft); + } + [this._details] = DownloadUtils.getDownloadStatusNoRate( + summary.totalTransferred, summary.totalSize, summary.slowestSpeed, + this._lastTimeLeft); + } + }, +} diff --git a/application/basilisk/components/downloads/DownloadsTaskbar.jsm b/application/basilisk/components/downloads/DownloadsTaskbar.jsm new file mode 100644 index 000000000..cf915abb5 --- /dev/null +++ b/application/basilisk/components/downloads/DownloadsTaskbar.jsm @@ -0,0 +1,177 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */ +/* 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/. */ + +/** + * Handles the download progress indicator in the taskbar. + */ + +"use strict"; + +this.EXPORTED_SYMBOLS = [ + "DownloadsTaskbar", +]; + +//////////////////////////////////////////////////////////////////////////////// +//// Globals + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cu = Components.utils; +const Cr = Components.results; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "Downloads", + "resource://gre/modules/Downloads.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", + "resource:///modules/RecentWindow.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Services", + "resource://gre/modules/Services.jsm"); + +XPCOMUtils.defineLazyGetter(this, "gWinTaskbar", function () { + if (!("@mozilla.org/windows-taskbar;1" in Cc)) { + return null; + } + let winTaskbar = Cc["@mozilla.org/windows-taskbar;1"] + .getService(Ci.nsIWinTaskbar); + return winTaskbar.available && winTaskbar; +}); + +XPCOMUtils.defineLazyGetter(this, "gMacTaskbarProgress", function () { + return ("@mozilla.org/widget/macdocksupport;1" in Cc) && + Cc["@mozilla.org/widget/macdocksupport;1"] + .getService(Ci.nsITaskbarProgress); +}); + +//////////////////////////////////////////////////////////////////////////////// +//// DownloadsTaskbar + +/** + * Handles the download progress indicator in the taskbar. + */ +this.DownloadsTaskbar = { + /** + * Underlying DownloadSummary providing the aggregate download information, or + * null if the indicator has never been initialized. + */ + _summary: null, + + /** + * nsITaskbarProgress object to which download information is dispatched. + * This can be null if the indicator has never been initialized or if the + * indicator is currently hidden on Windows. + */ + _taskbarProgress: null, + + /** + * This method is called after a new browser window is opened, and ensures + * that the download progress indicator is displayed in the taskbar. + * + * On Windows, the indicator is attached to the first browser window that + * calls this method. When the window is closed, the indicator is moved to + * another browser window, if available, in no particular order. When there + * are no browser windows visible, the indicator is hidden. + * + * On Mac OS X, the indicator is initialized globally when this method is + * called for the first time. Subsequent calls have no effect. + * + * @param aBrowserWindow + * nsIDOMWindow object of the newly opened browser window to which the + * indicator may be attached. + */ + registerIndicator(aBrowserWindow) { + if (!this._taskbarProgress) { + if (gMacTaskbarProgress) { + // On Mac OS X, we have to register the global indicator only once. + this._taskbarProgress = gMacTaskbarProgress; + // Free the XPCOM reference on shutdown, to prevent detecting a leak. + Services.obs.addObserver(() => { + this._taskbarProgress = null; + gMacTaskbarProgress = null; + }, "quit-application-granted", false); + } else if (gWinTaskbar) { + // On Windows, the indicator is currently hidden because we have no + // previous browser window, thus we should attach the indicator now. + this._attachIndicator(aBrowserWindow); + } else { + // The taskbar indicator is not available on this platform. + return; + } + } + + // Ensure that the DownloadSummary object will be created asynchronously. + if (!this._summary) { + Downloads.getSummary(Downloads.ALL).then(summary => { + // In case the method is re-entered, we simply ignore redundant + // invocations of the callback, instead of keeping separate state. + if (this._summary) { + return; + } + this._summary = summary; + return this._summary.addView(this); + }).then(null, Cu.reportError); + } + }, + + /** + * On Windows, attaches the taskbar indicator to the specified browser window. + */ + _attachIndicator(aWindow) { + // Activate the indicator on the specified window. + let docShell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIWebNavigation) + .QueryInterface(Ci.nsIDocShellTreeItem).treeOwner + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIXULWindow).docShell; + this._taskbarProgress = gWinTaskbar.getTaskbarProgress(docShell); + + // If the DownloadSummary object has already been created, we should update + // the state of the new indicator, otherwise it will be updated as soon as + // the DownloadSummary view is registered. + if (this._summary) { + this.onSummaryChanged(); + } + + aWindow.addEventListener("unload", () => { + // Locate another browser window, excluding the one being closed. + let browserWindow = RecentWindow.getMostRecentBrowserWindow(); + if (browserWindow) { + // Move the progress indicator to the other browser window. + this._attachIndicator(browserWindow); + } else { + // The last browser window has been closed. We remove the reference to + // the taskbar progress object so that the indicator will be registered + // again on the next browser window that is opened. + this._taskbarProgress = null; + } + }, false); + }, + + ////////////////////////////////////////////////////////////////////////////// + //// DownloadSummary view + + onSummaryChanged() { + // If the last browser window has been closed, we have no indicator any more. + if (!this._taskbarProgress) { + return; + } + + if (this._summary.allHaveStopped || this._summary.progressTotalBytes == 0) { + this._taskbarProgress.setProgressState( + Ci.nsITaskbarProgress.STATE_NO_PROGRESS, 0, 0); + } else { + // For a brief moment before completion, some download components may + // report more transferred bytes than the total number of bytes. Thus, + // ensure that we never break the expectations of the progress indicator. + let progressCurrentBytes = Math.min(this._summary.progressTotalBytes, + this._summary.progressCurrentBytes); + this._taskbarProgress.setProgressState( + Ci.nsITaskbarProgress.STATE_NORMAL, + progressCurrentBytes, + this._summary.progressTotalBytes); + } + }, +}; diff --git a/application/basilisk/components/downloads/DownloadsViewUI.jsm b/application/basilisk/components/downloads/DownloadsViewUI.jsm new file mode 100644 index 000000000..3b0e4c1b7 --- /dev/null +++ b/application/basilisk/components/downloads/DownloadsViewUI.jsm @@ -0,0 +1,395 @@ +/* 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/. */ + +/* + * This module is imported by code that uses the "download.xml" binding, and + * provides prototypes for objects that handle input and display information. + */ + +"use strict"; + +this.EXPORTED_SYMBOLS = [ + "DownloadsViewUI", +]; + +const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "Downloads", + "resource://gre/modules/Downloads.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils", + "resource://gre/modules/DownloadUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon", + "resource:///modules/DownloadsCommon.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "OS", + "resource://gre/modules/osfile.jsm"); + +this.DownloadsViewUI = { + /** + * Returns true if the given string is the name of a command that can be + * handled by the Downloads user interface, including standard commands. + */ + isCommandName(name) { + return name.startsWith("cmd_") || name.startsWith("downloadsCmd_"); + }, +}; + +/** + * A download element shell is responsible for handling the commands and the + * displayed data for a single element that uses the "download.xml" binding. + * + * The information to display is obtained through the associated Download object + * from the JavaScript API for downloads, and commands are executed using a + * combination of Download methods and DownloadsCommon.jsm helper functions. + * + * Specialized versions of this shell must be defined, and they are required to + * implement the "download" property or getter. Currently these objects are the + * HistoryDownloadElementShell and the DownloadsViewItem for the panel. The + * history view may use a HistoryDownload object in place of a Download object. + */ +this.DownloadsViewUI.DownloadElementShell = function () {} + +this.DownloadsViewUI.DownloadElementShell.prototype = { + /** + * The richlistitem for the download, initialized by the derived object. + */ + element: null, + + /** + * URI string for the file type icon displayed in the download element. + */ + get image() { + if (!this.download.target.path) { + // Old history downloads may not have a target path. + return "moz-icon://.unknown?size=32"; + } + + // When a download that was previously in progress finishes successfully, it + // means that the target file now exists and we can extract its specific + // icon, for example from a Windows executable. To ensure that the icon is + // reloaded, however, we must change the URI used by the XUL image element, + // for example by adding a query parameter. This only works if we add one of + // the parameters explicitly supported by the nsIMozIconURI interface. + return "moz-icon://" + this.download.target.path + "?size=32" + + (this.download.succeeded ? "&state=normal" : ""); + }, + + /** + * The user-facing label for the download. This is normally the leaf name of + * the download target file. In case this is a very old history download for + * which the target file is unknown, the download source URI is displayed. + */ + get displayName() { + if (!this.download.target.path) { + return this.download.source.url; + } + return OS.Path.basename(this.download.target.path); + }, + + /** + * The progress element for the download, or undefined in case the XBL binding + * has not been applied yet. + */ + get _progressElement() { + if (!this.__progressElement) { + // If the element is not available now, we will try again the next time. + this.__progressElement = + this.element.ownerDocument.getAnonymousElementByAttribute( + this.element, "anonid", + "progressmeter"); + } + return this.__progressElement; + }, + + /** + * Processes a major state change in the user interface, then proceeds with + * the normal progress update. This function is not called for every progress + * update in order to improve performance. + */ + _updateState() { + this.element.setAttribute("displayName", this.displayName); + this.element.setAttribute("image", this.image); + this.element.setAttribute("state", + DownloadsCommon.stateOfDownload(this.download)); + + if (!this.download.succeeded && this.download.error && + this.download.error.becauseBlockedByReputationCheck) { + this.element.setAttribute("verdict", + this.download.error.reputationCheckVerdict); + } else { + this.element.removeAttribute("verdict"); + } + + // Since state changed, reset the time left estimation. + this.lastEstimatedSecondsLeft = Infinity; + + this._updateProgress(); + }, + + /** + * Updates the elements that change regularly for in-progress downloads, + * namely the progress bar and the status line. + */ + _updateProgress() { + if (this.download.succeeded) { + // We only need to add or remove this attribute for succeeded downloads. + if (this.download.target.exists) { + this.element.setAttribute("exists", "true"); + } else { + this.element.removeAttribute("exists"); + } + } + + // When a block is confirmed, the removal of blocked data will not trigger a + // state change for the download, so this class must be updated here. + this.element.classList.toggle("temporary-block", + !!this.download.hasBlockedData); + + // The progress bar is only displayed for in-progress downloads. + if (this.download.hasProgress) { + this.element.setAttribute("progressmode", "normal"); + this.element.setAttribute("progress", this.download.progress); + } else { + this.element.setAttribute("progressmode", "undetermined"); + } + + if (this.download.stopped && this.download.canceled && + this.download.hasPartialData) { + this.element.setAttribute("progresspaused", "true"); + } else { + this.element.removeAttribute("progresspaused"); + } + + // Dispatch the ValueChange event for accessibility, if possible. + if (this._progressElement) { + let event = this.element.ownerDocument.createEvent("Events"); + event.initEvent("ValueChange", true, true); + this._progressElement.dispatchEvent(event); + } + + let status = this.statusTextAndTip; + this.element.setAttribute("status", status.text); + this.element.setAttribute("statusTip", status.tip); + }, + + lastEstimatedSecondsLeft: Infinity, + + /** + * Returns the text for the status line and the associated tooltip. These are + * returned by a single property because they are computed together. The + * result may be overridden by derived objects. + */ + get statusTextAndTip() { + return this.rawStatusTextAndTip; + }, + + /** + * Derived objects may call this to get the status text. + */ + get rawStatusTextAndTip() { + let s = DownloadsCommon.strings; + + let text = ""; + let tip = ""; + + if (!this.download.stopped) { + let totalBytes = this.download.hasProgress ? this.download.totalBytes + : -1; + // By default, extended status information including the individual + // download rate is displayed in the tooltip. The history view overrides + // the getter and displays the datails in the main area instead. + [text] = DownloadUtils.getDownloadStatusNoRate( + this.download.currentBytes, + totalBytes, + this.download.speed, + this.lastEstimatedSecondsLeft); + let newEstimatedSecondsLeft; + [tip, newEstimatedSecondsLeft] = DownloadUtils.getDownloadStatus( + this.download.currentBytes, + totalBytes, + this.download.speed, + this.lastEstimatedSecondsLeft); + this.lastEstimatedSecondsLeft = newEstimatedSecondsLeft; + } else if (this.download.canceled && this.download.hasPartialData) { + let totalBytes = this.download.hasProgress ? this.download.totalBytes + : -1; + let transfer = DownloadUtils.getTransferTotal(this.download.currentBytes, + totalBytes); + + // We use the same XUL label to display both the state and the amount + // transferred, for example "Paused - 1.1 MB". + text = s.statusSeparatorBeforeNumber(s.statePaused, transfer); + } else if (!this.download.succeeded && !this.download.canceled && + !this.download.error) { + text = s.stateStarting; + } else { + let stateLabel; + + if (this.download.succeeded) { + // For completed downloads, show the file size (e.g. "1.5 MB"). + if (this.download.target.size !== undefined) { + let [size, unit] = + DownloadUtils.convertByteUnits(this.download.target.size); + stateLabel = s.sizeWithUnits(size, unit); + } else { + // History downloads may not have a size defined. + stateLabel = s.sizeUnknown; + } + } else if (this.download.canceled) { + stateLabel = s.stateCanceled; + } else if (this.download.error.becauseBlockedByParentalControls) { + stateLabel = s.stateBlockedParentalControls; + } else if (this.download.error.becauseBlockedByReputationCheck) { + stateLabel = this.rawBlockedTitleAndDetails[0]; + } else { + stateLabel = s.stateFailed; + } + + let referrer = this.download.source.referrer || this.download.source.url; + let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer); + + let date = new Date(this.download.endTime); + let [displayDate, fullDate] = DownloadUtils.getReadableDates(date); + + let firstPart = s.statusSeparator(stateLabel, displayHost); + text = s.statusSeparator(firstPart, displayDate); + tip = s.statusSeparator(fullHost, fullDate); + } + + return { text, tip: tip || text }; + }, + + /** + * Returns [title, [details1, details2]] for blocked downloads. + */ + get rawBlockedTitleAndDetails() { + let s = DownloadsCommon.strings; + if (!this.download.error || + !this.download.error.becauseBlockedByReputationCheck) { + return [null, null]; + } + switch (this.download.error.reputationCheckVerdict) { + case Downloads.Error.BLOCK_VERDICT_UNCOMMON: + return [s.blockedUncommon2, [s.unblockTypeUncommon2, s.unblockTip2]]; + case Downloads.Error.BLOCK_VERDICT_POTENTIALLY_UNWANTED: + return [s.blockedPotentiallyUnwanted, + [s.unblockTypePotentiallyUnwanted2, s.unblockTip2]]; + case Downloads.Error.BLOCK_VERDICT_MALWARE: + return [s.blockedMalware, [s.unblockTypeMalware, s.unblockTip2]]; + } + throw new Error("Unexpected reputationCheckVerdict: " + + this.download.error.reputationCheckVerdict); + // return anyway to avoid a JS strict warning. + return [null, null]; + }, + + /** + * Shows the appropriate unblock dialog based on the verdict, and executes the + * action selected by the user in the dialog, which may involve unblocking, + * opening or removing the file. + * + * @param window + * The window to which the dialog should be anchored. + * @param dialogType + * Can be "unblock", "chooseUnblock", or "chooseOpen". + */ + confirmUnblock(window, dialogType) { + DownloadsCommon.confirmUnblockDownload({ + verdict: this.download.error.reputationCheckVerdict, + window, + dialogType, + }).then(action => { + if (action == "open") { + return this.unblockAndOpenDownload(); + } else if (action == "unblock") { + return this.download.unblock(); + } else if (action == "confirmBlock") { + return this.download.confirmBlock(); + } + }).catch(Cu.reportError); + }, + + /** + * Unblocks the downloaded file and opens it. + * + * @return A promise that's resolved after the file has been opened. + */ + unblockAndOpenDownload() { + return this.download.unblock().then(() => this.downloadsCmd_open()); + }, + + /** + * Returns the name of the default command to use for the current state of the + * download, when there is a double click or another default interaction. If + * there is no default command for the current state, returns an empty string. + * The commands are implemented as functions on this object or derived ones. + */ + get currentDefaultCommandName() { + switch (DownloadsCommon.stateOfDownload(this.download)) { + case Ci.nsIDownloadManager.DOWNLOAD_NOTSTARTED: + return "downloadsCmd_cancel"; + case Ci.nsIDownloadManager.DOWNLOAD_FAILED: + case Ci.nsIDownloadManager.DOWNLOAD_CANCELED: + return "downloadsCmd_retry"; + case Ci.nsIDownloadManager.DOWNLOAD_PAUSED: + return "downloadsCmd_pauseResume"; + case Ci.nsIDownloadManager.DOWNLOAD_FINISHED: + return "downloadsCmd_open"; + case Ci.nsIDownloadManager.DOWNLOAD_BLOCKED_PARENTAL: + return "downloadsCmd_openReferrer"; + case Ci.nsIDownloadManager.DOWNLOAD_DIRTY: + return "downloadsCmd_showBlockedInfo"; + } + return ""; + }, + + /** + * Returns true if the specified command can be invoked on the current item. + * The commands are implemented as functions on this object or derived ones. + * + * @param aCommand + * Name of the command to check, for example "downloadsCmd_retry". + */ + isCommandEnabled(aCommand) { + switch (aCommand) { + case "downloadsCmd_retry": + return this.download.canceled || this.download.error; + case "downloadsCmd_pauseResume": + return this.download.hasPartialData && !this.download.error; + case "downloadsCmd_openReferrer": + return !!this.download.source.referrer; + case "downloadsCmd_confirmBlock": + case "downloadsCmd_chooseUnblock": + case "downloadsCmd_chooseOpen": + case "downloadsCmd_unblock": + case "downloadsCmd_unblockAndOpen": + return this.download.hasBlockedData; + } + return false; + }, + + downloadsCmd_cancel() { + // This is the correct way to avoid race conditions when cancelling. + this.download.cancel().catch(() => {}); + this.download.removePartialData().catch(Cu.reportError); + }, + + downloadsCmd_retry() { + // Errors when retrying are already reported as download failures. + this.download.start().catch(() => {}); + }, + + downloadsCmd_pauseResume() { + if (this.download.stopped) { + this.download.start(); + } else { + this.download.cancel(); + } + }, + + downloadsCmd_confirmBlock() { + this.download.confirmBlock().catch(Cu.reportError); + }, +}; diff --git a/application/basilisk/components/downloads/content/allDownloadsViewOverlay.js b/application/basilisk/components/downloads/content/allDownloadsViewOverlay.js new file mode 100644 index 000000000..58078cd08 --- /dev/null +++ b/application/basilisk/components/downloads/content/allDownloadsViewOverlay.js @@ -0,0 +1,1439 @@ +/* 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/. */ + +var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils", + "resource://gre/modules/DownloadUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon", + "resource:///modules/DownloadsCommon.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "DownloadsViewUI", + "resource:///modules/DownloadsViewUI.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "FileUtils", + "resource://gre/modules/FileUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "NetUtil", + "resource://gre/modules/NetUtil.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "OS", + "resource://gre/modules/osfile.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", + "resource://gre/modules/PlacesUtils.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Promise", + "resource://gre/modules/Promise.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", + "resource:///modules/RecentWindow.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Services", + "resource://gre/modules/Services.jsm"); +XPCOMUtils.defineLazyModuleGetter(this, "Task", + "resource://gre/modules/Task.jsm"); + +const nsIDM = Ci.nsIDownloadManager; + +const DESTINATION_FILE_URI_ANNO = "downloads/destinationFileURI"; +const DOWNLOAD_META_DATA_ANNO = "downloads/metaData"; + +/** + * Represents a download from the browser history. It implements part of the + * interface of the Download object. + * + * @param aPlacesNode + * The Places node from which the history download should be initialized. + */ +function HistoryDownload(aPlacesNode) { + // TODO (bug 829201): history downloads should get the referrer from Places. + this.source = { + url: aPlacesNode.uri, + }; + this.target = { + path: undefined, + exists: false, + size: undefined, + }; + + // In case this download cannot obtain its end time from the Places metadata, + // use the time from the Places node, that is the start time of the download. + this.endTime = aPlacesNode.time / 1000; +} + +HistoryDownload.prototype = { + /** + * Pushes information from Places metadata into this object. + */ + updateFromMetaData(metaData) { + try { + this.target.path = Cc["@mozilla.org/network/protocol;1?name=file"] + .getService(Ci.nsIFileProtocolHandler) + .getFileFromURLSpec(metaData.targetFileSpec).path; + } catch (ex) { + this.target.path = undefined; + } + + if ("state" in metaData) { + this.succeeded = metaData.state == nsIDM.DOWNLOAD_FINISHED; + this.canceled = metaData.state == nsIDM.DOWNLOAD_CANCELED || + metaData.state == nsIDM.DOWNLOAD_PAUSED; + this.endTime = metaData.endTime; + + // Recreate partial error information from the state saved in history. + if (metaData.state == nsIDM.DOWNLOAD_FAILED) { + this.error = { message: "History download failed." }; + } else if (metaData.state == nsIDM.DOWNLOAD_BLOCKED_PARENTAL) { + this.error = { becauseBlockedByParentalControls: true }; + } else if (metaData.state == nsIDM.DOWNLOAD_DIRTY) { + this.error = { + becauseBlockedByReputationCheck: true, + reputationCheckVerdict: metaData.reputationCheckVerdict || "", + }; + } else { + this.error = null; + } + + // Normal history downloads are assumed to exist until the user interface + // is refreshed, at which point these values may be updated. + this.target.exists = true; + this.target.size = metaData.fileSize; + } else { + // Metadata might be missing from a download that has started but hasn't + // stopped already. Normally, this state is overridden with the one from + // the corresponding in-progress session download. But if the browser is + // terminated abruptly and additionally the file with information about + // in-progress downloads is lost, we may end up using this state. We use + // the failed state to allow the download to be restarted. + // + // On the other hand, if the download is missing the target file + // annotation as well, it is just a very old one, and we can assume it + // succeeded. + this.succeeded = !this.target.path; + this.error = this.target.path ? { message: "Unstarted download." } : null; + this.canceled = false; + + // These properties may be updated if the user interface is refreshed. + this.target.exists = false; + this.target.size = undefined; + } + }, + + /** + * History downloads are never in progress. + */ + stopped: true, + + /** + * No percentage indication is shown for history downloads. + */ + hasProgress: false, + + /** + * History downloads cannot be restarted using their partial data, even if + * they are indicated as paused in their Places metadata. The only way is to + * use the information from a persisted session download, that will be shown + * instead of the history download. In case this session download is not + * available, we show the history download as canceled, not paused. + */ + hasPartialData: false, + + /** + * This method mimicks the "start" method of session downloads, and is called + * when the user retries a history download. + * + * At present, we always ask the user for a new target path when retrying a + * history download. In the future we may consider reusing the known target + * path if the folder still exists and the file name is not already used, + * except when the user preferences indicate that the target path should be + * requested every time a new download is started. + */ + start() { + let browserWin = RecentWindow.getMostRecentBrowserWindow(); + let initiatingDoc = browserWin ? browserWin.document : document; + + // Do not suggest a file name if we don't know the original target. + let leafName = this.target.path ? OS.Path.basename(this.target.path) : null; + DownloadURL(this.source.url, leafName, initiatingDoc); + + return Promise.resolve(); + }, + + /** + * This method mimicks the "refresh" method of session downloads, except that + * it cannot notify that the data changed to the Downloads View. + */ + refresh: Task.async(function* () { + try { + this.target.size = (yield OS.File.stat(this.target.path)).size; + this.target.exists = true; + } catch (ex) { + // We keep the known file size from the metadata, if any. + this.target.exists = false; + } + }), +}; + +/** + * A download element shell is responsible for handling the commands and the + * displayed data for a single download view element. + * + * The shell may contain a session download, a history download, or both. When + * both a history and a session download are present, the session download gets + * priority and its information is displayed. + * + * On construction, a new richlistitem is created, and can be accessed through + * the |element| getter. The shell doesn't insert the item in a richlistbox, the + * caller must do it and remove the element when it's no longer needed. + * + * The caller is also responsible for forwarding status notifications for + * session downloads, calling the onStateChanged and onChanged methods. + * + * @param [optional] aSessionDownload + * The session download, required if aHistoryDownload is not set. + * @param [optional] aHistoryDownload + * The history download, required if aSessionDownload is not set. + */ +function HistoryDownloadElementShell(aSessionDownload, aHistoryDownload) { + this.element = document.createElement("richlistitem"); + this.element._shell = this; + + this.element.classList.add("download"); + this.element.classList.add("download-state"); + + if (aSessionDownload) { + this.sessionDownload = aSessionDownload; + } + if (aHistoryDownload) { + this.historyDownload = aHistoryDownload; + } +} + +HistoryDownloadElementShell.prototype = { + __proto__: DownloadsViewUI.DownloadElementShell.prototype, + + /** + * Manages the "active" state of the shell. By default all the shells without + * a session download are inactive, thus their UI is not updated. They must + * be activated when entering the visible area. Session downloads are always + * active. + */ + ensureActive() { + if (!this._active) { + this._active = true; + this.element.setAttribute("active", true); + this._updateUI(); + } + }, + get active() { + return !!this._active; + }, + + /** + * Overrides the base getter to return the Download or HistoryDownload object + * for displaying information and executing commands in the user interface. + */ + get download() { + return this._sessionDownload || this._historyDownload; + }, + + _sessionDownload: null, + get sessionDownload() { + return this._sessionDownload; + }, + set sessionDownload(aValue) { + if (this._sessionDownload != aValue) { + if (!aValue && !this._historyDownload) { + throw new Error("Should always have either a Download or a HistoryDownload"); + } + + this._sessionDownload = aValue; + + this.ensureActive(); + this._updateUI(); + } + return aValue; + }, + + _historyDownload: null, + get historyDownload() { + return this._historyDownload; + }, + set historyDownload(aValue) { + if (this._historyDownload != aValue) { + if (!aValue && !this._sessionDownload) { + throw new Error("Should always have either a Download or a HistoryDownload"); + } + + this._historyDownload = aValue; + + // We don't need to update the UI if we had a session data item, because + // the places information isn't used in this case. + if (!this._sessionDownload) { + this._updateUI(); + } + } + return aValue; + }, + + _updateUI() { + // There is nothing to do if the item has always been invisible. + if (!this.active) { + return; + } + + // Since the state changed, we may need to check the target file again. + this._targetFileChecked = false; + + this._updateState(); + }, + + get statusTextAndTip() { + let status = this.rawStatusTextAndTip; + + // The base object would show extended progress information in the tooltip, + // but we move this to the main view and never display a tooltip. + if (!this.download.stopped) { + status.text = status.tip; + } + status.tip = ""; + + return status; + }, + + onStateChanged() { + this._updateState(); + + if (this.element.selected) { + goUpdateDownloadCommands(); + } else { + // If a state change occurs in an item that is not currently selected, + // this is the only command that may be affected. + goUpdateCommand("downloadsCmd_clearDownloads"); + } + }, + + onChanged() { + // This cannot be placed within onStateChanged because + // when a download goes from hasBlockedData to !hasBlockedData + // it will still remain in the same state. + this.element.classList.toggle("temporary-block", + !!this.download.hasBlockedData); + this._updateProgress(); + }, + + isCommandEnabled(aCommand) { + // The only valid command for inactive elements is cmd_delete. + if (!this.active && aCommand != "cmd_delete") { + return false; + } + switch (aCommand) { + case "downloadsCmd_open": + // This property is false if the download did not succeed. + return this.download.target.exists; + case "downloadsCmd_show": + // TODO: Bug 827010 - Handle part-file asynchronously. + if (this._sessionDownload && this.download.target.partFilePath) { + let partFile = new FileUtils.File(this.download.target.partFilePath); + if (partFile.exists()) { + return true; + } + } + + // This property is false if the download did not succeed. + return this.download.target.exists; + case "cmd_delete": + // We don't want in-progress downloads to be removed accidentally. + return this.download.stopped; + case "downloadsCmd_cancel": + return !!this._sessionDownload; + } + return DownloadsViewUI.DownloadElementShell.prototype + .isCommandEnabled.call(this, aCommand); + }, + + doCommand(aCommand) { + if (DownloadsViewUI.isCommandName(aCommand)) { + this[aCommand](); + } + }, + + downloadsCmd_open() { + let file = new FileUtils.File(this.download.target.path); + DownloadsCommon.openDownloadedFile(file, null, window); + }, + + downloadsCmd_show() { + let file = new FileUtils.File(this.download.target.path); + DownloadsCommon.showDownloadedFile(file); + }, + + downloadsCmd_openReferrer() { + openURL(this.download.source.referrer); + }, + + cmd_delete() { + if (this._sessionDownload) { + DownloadsCommon.removeAndFinalizeDownload(this.download); + } + if (this._historyDownload) { + let uri = NetUtil.newURI(this.download.source.url); + PlacesUtils.bhistory.removePage(uri); + } + }, + + downloadsCmd_unblock() { + this.confirmUnblock(window, "unblock"); + }, + + downloadsCmd_chooseUnblock() { + this.confirmUnblock(window, "chooseUnblock"); + }, + + downloadsCmd_chooseOpen() { + this.confirmUnblock(window, "chooseOpen"); + }, + + // Returns whether or not the download handled by this shell should + // show up in the search results for the given term. Both the display + // name for the download and the url are searched. + matchesSearchTerm(aTerm) { + if (!aTerm) { + return true; + } + aTerm = aTerm.toLowerCase(); + return this.displayName.toLowerCase().includes(aTerm) || + this.download.source.url.toLowerCase().includes(aTerm); + }, + + // Handles return keypress on the element (the keypress listener is + // set in the DownloadsPlacesView object). + doDefaultCommand() { + let command = this.currentDefaultCommandName; + if (command && this.isCommandEnabled(command)) { + this.doCommand(command); + } + }, + + /** + * This method is called by the outer download view, after the controller + * commands have already been updated. In case we did not check for the + * existence of the target file already, we can do it now and then update + * the commands as needed. + */ + onSelect() { + if (!this.active) { + return; + } + + // If this is a history download for which no target file information is + // available, we cannot retrieve information about the target file. + if (!this.download.target.path) { + return; + } + + // Start checking for existence. This may be done twice if onSelect is + // called again before the information is collected. + if (!this._targetFileChecked) { + this._checkTargetFileOnSelect().catch(Cu.reportError); + } + }, + + _checkTargetFileOnSelect: Task.async(function* () { + try { + yield this.download.refresh(); + } finally { + // Do not try to check for existence again if this failed once. + this._targetFileChecked = true; + } + + // Update the commands only if the element is still selected. + if (this.element.selected) { + goUpdateDownloadCommands(); + } + + // Ensure the interface has been updated based on the new values. We need to + // do this because history downloads can't trigger update notifications. + this._updateProgress(); + }), +}; + +/** + * Relays commands from the download.xml binding to the selected items. + */ +const DownloadsView = { + onDownloadCommand(event, command) { + goDoCommand(command); + }, + + onDownloadClick() {}, +}; + +/** + * A Downloads Places View is a places view designed to show a places query + * for history downloads alongside the session downloads. + * + * As we don't use the places controller, some methods implemented by other + * places views are not implemented by this view. + * + * A richlistitem in this view can represent either a past download or a session + * download, or both. Session downloads are shown first in the view, and as long + * as they exist they "collapses" their history "counterpart" (So we don't show two + * items for every download). + */ +function DownloadsPlacesView(aRichListBox, aActive = true) { + this._richlistbox = aRichListBox; + this._richlistbox._placesView = this; + window.controllers.insertControllerAt(0, this); + + // Map download URLs to download element shells regardless of their type + this._downloadElementsShellsForURI = new Map(); + + // Map download data items to their element shells. + this._viewItemsForDownloads = new WeakMap(); + + // Points to the last session download element. We keep track of this + // in order to keep all session downloads above past downloads. + this._lastSessionDownloadElement = null; + + this._searchTerm = ""; + + this._active = aActive; + + // Register as a downloads view. The places data will be initialized by + // the places setter. + this._initiallySelectedElement = null; + this._downloadsData = DownloadsCommon.getData(window.opener || window); + this._downloadsData.addView(this); + + // Get the Download button out of the attention state since we're about to + // view all downloads. + DownloadsCommon.getIndicatorData(window).attention = DownloadsCommon.ATTENTION_NONE; + + // Make sure to unregister the view if the window is closed. + window.addEventListener("unload", () => { + window.controllers.removeController(this); + this._downloadsData.removeView(this); + this.result = null; + }, true); + // Resizing the window may change items visibility. + window.addEventListener("resize", () => { + this._ensureVisibleElementsAreActive(); + }, true); +} + +DownloadsPlacesView.prototype = { + get associatedElement() { + return this._richlistbox; + }, + + get active() { + return this._active; + }, + set active(val) { + this._active = val; + if (this._active) + this._ensureVisibleElementsAreActive(); + return this._active; + }, + + /** + * This cache exists in order to optimize the load of the Downloads View, when + * Places annotations for history downloads must be read. In fact, annotations + * are stored in a single table, and reading all of them at once is much more + * efficient than an individual query. + * + * When this property is first requested, it reads the annotations for all the + * history downloads and stores them indefinitely. + * + * The historical annotations are not expected to change for the duration of + * the session, except in the case where a session download is running for the + * same URI as a history download. To ensure we don't use stale data, URIs + * corresponding to session downloads are permanently removed from the cache. + * This is a very small mumber compared to history downloads. + * + * This property returns a Map from each download source URI found in Places + * annotations to an object with the format: + * + * { targetFileSpec, state, endTime, fileSize, ... } + * + * The targetFileSpec property is the value of "downloads/destinationFileURI", + * while the other properties are taken from "downloads/metaData". Any of the + * properties may be missing from the object. + */ + get _cachedPlacesMetaData() { + if (!this.__cachedPlacesMetaData) { + this.__cachedPlacesMetaData = new Map(); + + // Read the metadata annotations first, but ignore invalid JSON. + for (let result of PlacesUtils.annotations.getAnnotationsWithName( + DOWNLOAD_META_DATA_ANNO)) { + try { + this.__cachedPlacesMetaData.set(result.uri.spec, + JSON.parse(result.annotationValue)); + } catch (ex) {} + } + + // Add the target file annotations to the metadata. + for (let result of PlacesUtils.annotations.getAnnotationsWithName( + DESTINATION_FILE_URI_ANNO)) { + let metaData = this.__cachedPlacesMetaData.get(result.uri.spec); + if (!metaData) { + metaData = {}; + this.__cachedPlacesMetaData.set(result.uri.spec, metaData); + } + metaData.targetFileSpec = result.annotationValue; + } + } + + return this.__cachedPlacesMetaData; + }, + __cachedPlacesMetaData: null, + + /** + * Reads current metadata from Places annotations for the specified URI, and + * returns an object with the format: + * + * { targetFileSpec, state, endTime, fileSize, ... } + * + * The targetFileSpec property is the value of "downloads/destinationFileURI", + * while the other properties are taken from "downloads/metaData". Any of the + * properties may be missing from the object. + */ + _getPlacesMetaDataFor(spec) { + let metaData = {}; + + try { + let uri = NetUtil.newURI(spec); + try { + metaData = JSON.parse(PlacesUtils.annotations.getPageAnnotation( + uri, DOWNLOAD_META_DATA_ANNO)); + } catch (ex) {} + metaData.targetFileSpec = PlacesUtils.annotations.getPageAnnotation( + uri, DESTINATION_FILE_URI_ANNO); + } catch (ex) {} + + return metaData; + }, + + /** + * Given a data item for a session download, or a places node for a past + * download, updates the view as necessary. + * 1. If the given data is a places node, we check whether there are any + * elements for the same download url. If there are, then we just reset + * their places node. Otherwise we add a new download element. + * 2. If the given data is a data item, we first check if there's a history + * download in the list that is not associated with a data item. If we + * found one, we use it for the data item as well and reposition it + * alongside the other session downloads. If we don't, then we go ahead + * and create a new element for the download. + * + * @param [optional] sessionDownload + * A Download object, or null for history downloads. + * @param [optional] aPlacesNode + * The Places node for a history download, or null for session downloads. + * @param [optional] aNewest + * @see onDownloadAdded. Ignored for history downloads. + * @param [optional] aDocumentFragment + * To speed up the appending of multiple elements to the end of the + * list which are coming in a single batch (i.e. invalidateContainer), + * a document fragment may be passed to which the new elements would + * be appended. It's the caller's job to ensure the fragment is merged + * to the richlistbox at the end. + */ + _addDownloadData(sessionDownload, aPlacesNode, aNewest = false, + aDocumentFragment = null) { + let downloadURI = aPlacesNode ? aPlacesNode.uri + : sessionDownload.source.url; + let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI); + if (!shellsForURI) { + shellsForURI = new Set(); + this._downloadElementsShellsForURI.set(downloadURI, shellsForURI); + } + + // When a session download is attached to a shell, we ensure not to keep + // stale metadata around for the corresponding history download. This + // prevents stale state from being used if the view is rebuilt. + // + // Note that we will eagerly load the data in the cache at this point, even + // if we have seen no history download. The case where no history download + // will appear at all is rare enough in normal usage, so we can apply this + // simpler solution rather than keeping a list of cache items to ignore. + if (sessionDownload) { + this._cachedPlacesMetaData.delete(sessionDownload.source.url); + } + + let newOrUpdatedShell = null; + + // Trivial: if there are no shells for this download URI, we always + // need to create one. + let shouldCreateShell = shellsForURI.size == 0; + + // However, if we do have shells for this download uri, there are + // few options: + // 1) There's only one shell and it's for a history download (it has + // no data item). In this case, we update this shell and move it + // if necessary + // 2) There are multiple shells, indicating multiple downloads for + // the same download uri are running. In this case we create + // another shell for the download (so we have one shell for each data + // item). + // + // Note: If a cancelled session download is already in the list, and the + // download is retried, onDownloadAdded is called again for the same + // data item. Thus, we also check that we make sure we don't have a view item + // already. + if (!shouldCreateShell && + sessionDownload && !this._viewItemsForDownloads.has(sessionDownload)) { + // If there's a past-download-only shell for this download-uri with no + // associated data item, use it for the new data item. Otherwise, go ahead + // and create another shell. + shouldCreateShell = true; + for (let shell of shellsForURI) { + if (!shell.sessionDownload) { + shouldCreateShell = false; + shell.sessionDownload = sessionDownload; + newOrUpdatedShell = shell; + this._viewItemsForDownloads.set(sessionDownload, shell); + break; + } + } + } + + if (shouldCreateShell) { + // If we are adding a new history download here, it means there is no + // associated session download, thus we must read the Places metadata, + // because it will not be obscured by the session download. + let historyDownload = null; + if (aPlacesNode) { + let metaData = this._cachedPlacesMetaData.get(aPlacesNode.uri) || + this._getPlacesMetaDataFor(aPlacesNode.uri); + historyDownload = new HistoryDownload(aPlacesNode); + historyDownload.updateFromMetaData(metaData); + } + let shell = new HistoryDownloadElementShell(sessionDownload, + historyDownload); + shell.element._placesNode = aPlacesNode; + newOrUpdatedShell = shell; + shellsForURI.add(shell); + if (sessionDownload) { + this._viewItemsForDownloads.set(sessionDownload, shell); + } + } else if (aPlacesNode) { + // We are updating information for a history download for which we have + // at least one download element shell already. There are two cases: + // 1) There are one or more download element shells for this source URI, + // each with an associated session download. We update the Places node + // because we may need it later, but we don't need to read the Places + // metadata until the last session download is removed. + // 2) Occasionally, we may receive a duplicate notification for a history + // download with no associated session download. We have exactly one + // download element shell in this case, but the metdata cannot have + // changed, just the reference to the Places node object is different. + // So, we update all the node references and keep the metadata intact. + for (let shell of shellsForURI) { + if (!shell.historyDownload) { + // Create the element to host the metadata when needed. + shell.historyDownload = new HistoryDownload(aPlacesNode); + } + shell.element._placesNode = aPlacesNode; + } + } + + if (newOrUpdatedShell) { + if (aNewest) { + this._richlistbox.insertBefore(newOrUpdatedShell.element, + this._richlistbox.firstChild); + if (!this._lastSessionDownloadElement) { + this._lastSessionDownloadElement = newOrUpdatedShell.element; + } + // Some operations like retrying an history download move an element to + // the top of the richlistbox, along with other session downloads. + // More generally, if a new download is added, should be made visible. + this._richlistbox.ensureElementIsVisible(newOrUpdatedShell.element); + } else if (sessionDownload) { + let before = this._lastSessionDownloadElement ? + this._lastSessionDownloadElement.nextSibling : this._richlistbox.firstChild; + this._richlistbox.insertBefore(newOrUpdatedShell.element, before); + this._lastSessionDownloadElement = newOrUpdatedShell.element; + } else { + let appendTo = aDocumentFragment || this._richlistbox; + appendTo.appendChild(newOrUpdatedShell.element); + } + + if (this.searchTerm) { + newOrUpdatedShell.element.hidden = + !newOrUpdatedShell.element._shell.matchesSearchTerm(this.searchTerm); + } + } + + // If aDocumentFragment is defined this is a batch change, so it's up to + // the caller to append the fragment and activate the visible shells. + if (!aDocumentFragment) { + this._ensureVisibleElementsAreActive(); + goUpdateCommand("downloadsCmd_clearDownloads"); + } + }, + + _removeElement(aElement) { + // If the element was selected exclusively, select its next + // sibling first, if not, try for previous sibling, if any. + if ((aElement.nextSibling || aElement.previousSibling) && + this._richlistbox.selectedItems && + this._richlistbox.selectedItems.length == 1 && + this._richlistbox.selectedItems[0] == aElement) { + this._richlistbox.selectItem(aElement.nextSibling || + aElement.previousSibling); + } + + if (this._lastSessionDownloadElement == aElement) { + this._lastSessionDownloadElement = aElement.previousSibling; + } + + this._richlistbox.removeItemFromSelection(aElement); + this._richlistbox.removeChild(aElement); + this._ensureVisibleElementsAreActive(); + goUpdateCommand("downloadsCmd_clearDownloads"); + }, + + _removeHistoryDownloadFromView(aPlacesNode) { + let downloadURI = aPlacesNode.uri; + let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI); + if (shellsForURI) { + for (let shell of shellsForURI) { + if (shell.sessionDownload) { + shell.historyDownload = null; + } else { + this._removeElement(shell.element); + shellsForURI.delete(shell); + if (shellsForURI.size == 0) + this._downloadElementsShellsForURI.delete(downloadURI); + } + } + } + }, + + _removeSessionDownloadFromView(download) { + let shells = this._downloadElementsShellsForURI + .get(download.source.url); + if (shells.size == 0) { + throw new Error("Should have had at leaat one shell for this uri"); + } + + let shell = this._viewItemsForDownloads.get(download); + if (!shells.has(shell)) { + throw new Error("Missing download element shell in shells list for url"); + } + + // If there's more than one item for this download uri, we can let the + // view item for this this particular data item go away. + // If there's only one item for this download uri, we should only + // keep it if it is associated with a history download. + if (shells.size > 1 || !shell.historyDownload) { + this._removeElement(shell.element); + shells.delete(shell); + if (shells.size == 0) { + this._downloadElementsShellsForURI.delete(download.source.url); + } + } else { + // We have one download element shell containing both a session download + // and a history download, and we are now removing the session download. + // Previously, we did not use the Places metadata because it was obscured + // by the session download. Since this is no longer the case, we have to + // read the latest metadata before removing the session download. + let url = shell.historyDownload.source.url; + let metaData = this._getPlacesMetaDataFor(url); + shell.historyDownload.updateFromMetaData(metaData); + shell.sessionDownload = null; + // Move it below the session-download items; + if (this._lastSessionDownloadElement == shell.element) { + this._lastSessionDownloadElement = shell.element.previousSibling; + } else { + let before = this._lastSessionDownloadElement ? + this._lastSessionDownloadElement.nextSibling : this._richlistbox.firstChild; + this._richlistbox.insertBefore(shell.element, before); + } + } + }, + + _ensureVisibleElementsAreActive() { + if (!this.active || this._ensureVisibleTimer || + !this._richlistbox.firstChild) { + return; + } + + this._ensureVisibleTimer = setTimeout(() => { + delete this._ensureVisibleTimer; + if (!this._richlistbox.firstChild) { + return; + } + + let rlbRect = this._richlistbox.getBoundingClientRect(); + let winUtils = window.QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIDOMWindowUtils); + let nodes = winUtils.nodesFromRect(rlbRect.left, rlbRect.top, + 0, rlbRect.width, rlbRect.height, 0, + true, false); + // nodesFromRect returns nodes in z-index order, and for the same z-index + // sorts them in inverted DOM order, thus starting from the one that would + // be on top. + let firstVisibleNode, lastVisibleNode; + for (let node of nodes) { + if (node.localName === "richlistitem" && node._shell) { + node._shell.ensureActive(); + // The first visible node is the last match. + firstVisibleNode = node; + // While the last visible node is the first match. + if (!lastVisibleNode) { + lastVisibleNode = node; + } + } + } + + // Also activate the first invisible nodes in both boundaries (that is, + // above and below the visible area) to ensure proper keyboard navigation + // in both directions. + let nodeBelowVisibleArea = lastVisibleNode && lastVisibleNode.nextSibling; + if (nodeBelowVisibleArea && nodeBelowVisibleArea._shell) { + nodeBelowVisibleArea._shell.ensureActive(); + } + + let nodeAboveVisibleArea = firstVisibleNode && + firstVisibleNode.previousSibling; + if (nodeAboveVisibleArea && nodeAboveVisibleArea._shell) { + nodeAboveVisibleArea._shell.ensureActive(); + } + }, 10); + }, + + _place: "", + get place() { + return this._place; + }, + set place(val) { + // Don't reload everything if we don't have to. + if (this._place == val) { + // XXXmano: places.js relies on this behavior (see Bug 822203). + this.searchTerm = ""; + return val; + } + + this._place = val; + + let history = PlacesUtils.history; + let queries = { }, options = { }; + history.queryStringToQueries(val, queries, { }, options); + if (!queries.value.length) { + queries.value = [history.getNewQuery()]; + } + + let result = history.executeQueries(queries.value, queries.value.length, + options.value); + result.addObserver(this, false); + return val; + }, + + _result: null, + get result() { + return this._result; + }, + set result(val) { + if (this._result == val) { + return val; + } + + if (this._result) { + this._result.removeObserver(this); + this._resultNode.containerOpen = false; + } + + if (val) { + this._result = val; + this._resultNode = val.root; + this._resultNode.containerOpen = true; + this._ensureInitialSelection(); + } else { + delete this._resultNode; + delete this._result; + } + + return val; + }, + + get selectedNodes() { + return [for (element of this._richlistbox.selectedItems) + if (element._placesNode) + element._placesNode]; + }, + + get selectedNode() { + let selectedNodes = this.selectedNodes; + return selectedNodes.length == 1 ? selectedNodes[0] : null; + }, + + get hasSelection() { + return this.selectedNodes.length > 0; + }, + + containerStateChanged(aNode, aOldState, aNewState) { + this.invalidateContainer(aNode) + }, + + invalidateContainer(aContainer) { + if (aContainer != this._resultNode) { + throw new Error("Unexpected container node"); + } + if (!aContainer.containerOpen) { + throw new Error("Root container for the downloads query cannot be closed"); + } + + let suppressOnSelect = this._richlistbox.suppressOnSelect; + this._richlistbox.suppressOnSelect = true; + try { + // Remove the invalidated history downloads from the list and unset the + // places node for data downloads. + // Loop backwards since _removeHistoryDownloadFromView may removeChild(). + for (let i = this._richlistbox.childNodes.length - 1; i >= 0; --i) { + let element = this._richlistbox.childNodes[i]; + if (element._placesNode) { + this._removeHistoryDownloadFromView(element._placesNode); + } + } + } finally { + this._richlistbox.suppressOnSelect = suppressOnSelect; + } + + if (aContainer.childCount > 0) { + let elementsToAppendFragment = document.createDocumentFragment(); + for (let i = 0; i < aContainer.childCount; i++) { + try { + this._addDownloadData(null, aContainer.getChild(i), false, + elementsToAppendFragment); + } catch (ex) { + Cu.reportError(ex); + } + } + + // _addDownloadData may not add new elements if there were already + // data items in place. + if (elementsToAppendFragment.firstChild) { + this._appendDownloadsFragment(elementsToAppendFragment); + this._ensureVisibleElementsAreActive(); + } + } + + goUpdateDownloadCommands(); + }, + + _appendDownloadsFragment(aDOMFragment) { + // Workaround multiple reflows hang by removing the richlistbox + // and adding it back when we're done. + + // Hack for bug 836283: reset xbl fields to their old values after the + // binding is reattached to avoid breaking the selection state + let xblFields = new Map(); + for (let key of Object.getOwnPropertyNames(this._richlistbox)) { + let value = this._richlistbox[key]; + xblFields.set(key, value); + } + + let parentNode = this._richlistbox.parentNode; + let nextSibling = this._richlistbox.nextSibling; + parentNode.removeChild(this._richlistbox); + this._richlistbox.appendChild(aDOMFragment); + parentNode.insertBefore(this._richlistbox, nextSibling); + + for (let [key, value] of xblFields) { + this._richlistbox[key] = value; + } + }, + + nodeInserted(aParent, aPlacesNode) { + this._addDownloadData(null, aPlacesNode); + }, + + nodeRemoved(aParent, aPlacesNode, aOldIndex) { + this._removeHistoryDownloadFromView(aPlacesNode); + }, + + nodeAnnotationChanged() {}, + nodeIconChanged() {}, + nodeTitleChanged() {}, + nodeKeywordChanged() {}, + nodeDateAddedChanged() {}, + nodeLastModifiedChanged() {}, + nodeHistoryDetailsChanged() {}, + nodeTagsChanged() {}, + sortingChanged() {}, + nodeMoved() {}, + nodeURIChanged() {}, + batching() {}, + + get controller() { + return this._richlistbox.controller; + }, + + get searchTerm() { + return this._searchTerm; + }, + set searchTerm(aValue) { + if (this._searchTerm != aValue) { + for (let element of this._richlistbox.childNodes) { + element.hidden = !element._shell.matchesSearchTerm(aValue); + } + this._ensureVisibleElementsAreActive(); + } + return this._searchTerm = aValue; + }, + + /** + * When the view loads, we want to select the first item. + * However, because session downloads, for which the data is loaded + * asynchronously, always come first in the list, and because the list + * may (or may not) already contain history downloads at that point, it + * turns out that by the time we can select the first item, the user may + * have already started using the view. + * To make things even more complicated, in other cases, the places data + * may be loaded after the session downloads data. Thus we cannot rely on + * the order in which the data comes in. + * We work around this by attempting to select the first element twice, + * once after the places data is loaded and once when the session downloads + * data is done loading. However, if the selection has changed in-between, + * we assume the user has already started using the view and give up. + */ + _ensureInitialSelection() { + // Either they're both null, or the selection has not changed in between. + if (this._richlistbox.selectedItem == this._initiallySelectedElement) { + let firstDownloadElement = this._richlistbox.firstChild; + if (firstDownloadElement != this._initiallySelectedElement) { + // We may be called before _ensureVisibleElementsAreActive, + // or before the download binding is attached. Therefore, ensure the + // first item is activated, and pass the item to the richlistbox + // setters only at a point we know for sure the binding is attached. + firstDownloadElement._shell.ensureActive(); + Services.tm.mainThread.dispatch(() => { + this._richlistbox.selectedItem = firstDownloadElement; + this._richlistbox.currentItem = firstDownloadElement; + this._initiallySelectedElement = firstDownloadElement; + }, Ci.nsIThread.DISPATCH_NORMAL); + } + } + }, + + onDataLoadStarting() {}, + onDataLoadCompleted() { + this._ensureInitialSelection(); + }, + + onDownloadAdded(download, newest) { + this._addDownloadData(download, null, newest); + }, + + onDownloadStateChanged(download) { + this._viewItemsForDownloads.get(download).onStateChanged(); + }, + + onDownloadChanged(download) { + this._viewItemsForDownloads.get(download).onChanged(); + }, + + onDownloadRemoved(download) { + this._removeSessionDownloadFromView(download); + }, + + // nsIController + supportsCommand(aCommand) { + // Firstly, determine if this is a command that we can handle. + if (!DownloadsViewUI.isCommandName(aCommand)) { + return false; + } + if (!(aCommand in this) && + !(aCommand in HistoryDownloadElementShell.prototype)) { + return false; + } + // If this function returns true, other controllers won't get a chance to + // process the command even if isCommandEnabled returns false, so it's + // important to check if the list is focused here to handle common commands + // like copy and paste correctly. The clear downloads command, instead, is + // specific to the downloads list but can be invoked from the toolbar, so we + // can just return true unconditionally. + return aCommand == "downloadsCmd_clearDownloads" || + document.activeElement == this._richlistbox; + }, + + // nsIController + isCommandEnabled(aCommand) { + switch (aCommand) { + case "cmd_copy": + return this._richlistbox.selectedItems.length > 0; + case "cmd_selectAll": + return true; + case "cmd_paste": + return this._canDownloadClipboardURL(); + case "downloadsCmd_clearDownloads": + return this._canClearDownloads(); + default: + return Array.every(this._richlistbox.selectedItems, + element => element._shell.isCommandEnabled(aCommand)); + } + }, + + _canClearDownloads() { + // Downloads can be cleared if there's at least one removable download in + // the list (either a history download or a completed session download). + // Because history downloads are always removable and are listed after the + // session downloads, check from bottom to top. + for (let elt = this._richlistbox.lastChild; elt; elt = elt.previousSibling) { + // Stopped, paused, and failed downloads with partial data are removed. + let download = elt._shell.download; + if (download.stopped && !(download.canceled && download.hasPartialData)) { + return true; + } + } + return false; + }, + + _copySelectedDownloadsToClipboard() { + let urls = [for (element of this._richlistbox.selectedItems) + element._shell.download.source.url]; + + Cc["@mozilla.org/widget/clipboardhelper;1"] + .getService(Ci.nsIClipboardHelper) + .copyString(urls.join("\n")); + }, + + _getURLFromClipboardData() { + let trans = Cc["@mozilla.org/widget/transferable;1"]. + createInstance(Ci.nsITransferable); + trans.init(null); + + let flavors = ["text/x-moz-url", "text/unicode"]; + flavors.forEach(trans.addDataFlavor); + + Services.clipboard.getData(trans, Services.clipboard.kGlobalClipboard); + + // Getting the data or creating the nsIURI might fail. + try { + let data = {}; + trans.getAnyTransferData({}, data, {}); + let [url, name] = data.value.QueryInterface(Ci.nsISupportsString) + .data.split("\n"); + if (url) { + return [NetUtil.newURI(url, null, null).spec, name]; + } + } catch (ex) {} + + return ["", ""]; + }, + + _canDownloadClipboardURL() { + let [url, name] = this._getURLFromClipboardData(); + return url != ""; + }, + + _downloadURLFromClipboard() { + let [url, name] = this._getURLFromClipboardData(); + let browserWin = RecentWindow.getMostRecentBrowserWindow(); + let initiatingDoc = browserWin ? browserWin.document : document; + DownloadURL(url, name, initiatingDoc); + }, + + // nsIController + doCommand(aCommand) { + // Commands may be invoked with keyboard shortcuts even if disabled. + if (!this.isCommandEnabled(aCommand)) { + return; + } + + // If this command is not selection-specific, execute it. + if (aCommand in this) { + this[aCommand](); + return; + } + + // Cloning the nodelist into an array to get a frozen list of selected items. + // Otherwise, the selectedItems nodelist is live and doCommand may alter the + // selection while we are trying to do one particular action, like removing + // items from history. + let selectedElements = [...this._richlistbox.selectedItems]; + for (let element of selectedElements) { + element._shell.doCommand(aCommand); + } + }, + + // nsIController + onEvent() {}, + + cmd_copy() { + this._copySelectedDownloadsToClipboard(); + }, + + cmd_selectAll() { + this._richlistbox.selectAll(); + }, + + cmd_paste() { + this._downloadURLFromClipboard(); + }, + + downloadsCmd_clearDownloads() { + this._downloadsData.removeFinished(); + if (this.result) { + Cc["@mozilla.org/browser/download-history;1"] + .getService(Ci.nsIDownloadHistory) + .removeAllDownloads(); + } + // There may be no selection or focus change as a result + // of these change, and we want the command updated immediately. + goUpdateCommand("downloadsCmd_clearDownloads"); + }, + + onContextMenu(aEvent) { + let element = this._richlistbox.selectedItem; + if (!element || !element._shell) { + return false; + } + + // Set the state attribute so that only the appropriate items are displayed. + let contextMenu = document.getElementById("downloadsContextMenu"); + let download = element._shell.download; + contextMenu.setAttribute("state", + DownloadsCommon.stateOfDownload(download)); + contextMenu.classList.toggle("temporary-block", + !!download.hasBlockedData); + + if (!download.stopped) { + // The hasPartialData property of a download may change at any time after + // it has started, so ensure we update the related command now. + goUpdateCommand("downloadsCmd_pauseResume"); + } + + return true; + }, + + onKeyPress(aEvent) { + let selectedElements = this._richlistbox.selectedItems; + if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN) { + // In the content tree, opening bookmarks by pressing return is only + // supported when a single item is selected. To be consistent, do the + // same here. + if (selectedElements.length == 1) { + let element = selectedElements[0]; + if (element._shell) { + element._shell.doDefaultCommand(); + } + } + } + else if (aEvent.charCode == " ".charCodeAt(0)) { + // Pause/Resume every selected download + for (let element of selectedElements) { + if (element._shell.isCommandEnabled("downloadsCmd_pauseResume")) { + element._shell.doCommand("downloadsCmd_pauseResume"); + } + } + } + }, + + onDoubleClick(aEvent) { + if (aEvent.button != 0) { + return; + } + + let selectedElements = this._richlistbox.selectedItems; + if (selectedElements.length != 1) { + return; + } + + let element = selectedElements[0]; + if (element._shell) { + element._shell.doDefaultCommand(); + } + }, + + onScroll() { + this._ensureVisibleElementsAreActive(); + }, + + onSelect() { + goUpdateDownloadCommands(); + + let selectedElements = this._richlistbox.selectedItems; + for (let elt of selectedElements) { + if (elt._shell) { + elt._shell.onSelect(); + } + } + }, + + onDragStart(aEvent) { + // TODO Bug 831358: Support d&d for multiple selection. + // For now, we just drag the first element. + let selectedItem = this._richlistbox.selectedItem; + if (!selectedItem) { + return; + } + + let targetPath = selectedItem._shell.download.target.path; + if (!targetPath) { + return; + } + + // We must check for existence synchronously because this is a DOM event. + let file = new FileUtils.File(targetPath); + if (!file.exists()) { + return; + } + + let dt = aEvent.dataTransfer; + dt.mozSetDataAt("application/x-moz-file", file, 0); + let url = Services.io.newFileURI(file).spec; + dt.setData("text/uri-list", url); + dt.setData("text/plain", url); + dt.effectAllowed = "copyMove"; + dt.addElement(selectedItem); + }, + + onDragOver(aEvent) { + let types = aEvent.dataTransfer.types; + if (types.includes("text/uri-list") || + types.includes("text/x-moz-url") || + types.includes("text/plain")) { + aEvent.preventDefault(); + } + }, + + onDrop(aEvent) { + let dt = aEvent.dataTransfer; + // If dragged item is from our source, do not try to + // redownload already downloaded file. + if (dt.mozGetDataAt("application/x-moz-file", 0)) { + return; + } + + let links = Services.droppedLinkHandler.dropLinks(aEvent); + if (!links.length) + return; + let browserWin = RecentWindow.getMostRecentBrowserWindow(); + let initiatingDoc = browserWin ? browserWin.document : document; + for (let link of links) { + if (link.url.startsWith("about:")) + continue; + DownloadURL(link.url, link.name, initiatingDoc); + } + }, +}; + +for (let methodName of ["load", "applyFilter", "selectNode", "selectItems"]) { + DownloadsPlacesView.prototype[methodName] = function () { + throw new Error("|" + methodName + + "| is not implemented by the downloads view."); + } +} + +function goUpdateDownloadCommands() { + function updateCommandsForObject(object) { + for (let name in object) { + if (DownloadsViewUI.isCommandName(name)) { + goUpdateCommand(name); + } + } + } + updateCommandsForObject(DownloadsPlacesView.prototype); + updateCommandsForObject(HistoryDownloadElementShell.prototype); +} diff --git a/application/basilisk/components/downloads/content/allDownloadsViewOverlay.xul b/application/basilisk/components/downloads/content/allDownloadsViewOverlay.xul new file mode 100644 index 000000000..cb8c699bf --- /dev/null +++ b/application/basilisk/components/downloads/content/allDownloadsViewOverlay.xul @@ -0,0 +1,131 @@ + + +# 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/. + + + + + +%downloadsDTD; +]> + + + + +