forked from mirrors/gecko-dev
58c926c76d
Differential Revision: https://phabricator.services.mozilla.com/D48027 --HG-- extra : moz-landing-system : lando
801 lines
29 KiB
JavaScript
801 lines
29 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* This module is imported by code that uses the "download.xml" binding, and
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* provides prototypes for objects that handle input and display information.
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*/
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"use strict";
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var EXPORTED_SYMBOLS = ["DownloadsViewUI"];
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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XPCOMUtils.defineLazyModuleGetters(this, {
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BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.jsm",
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Downloads: "resource://gre/modules/Downloads.jsm",
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DownloadUtils: "resource://gre/modules/DownloadUtils.jsm",
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DownloadsCommon: "resource:///modules/DownloadsCommon.jsm",
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FileUtils: "resource://gre/modules/FileUtils.jsm",
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OS: "resource://gre/modules/osfile.jsm",
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});
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const HTML_NS = "http://www.w3.org/1999/xhtml";
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var gDownloadElementButtons = {
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cancel: {
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commandName: "downloadsCmd_cancel",
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l10nId: "download-cancel",
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descriptionL10nId: "download-cancel-description",
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iconClass: "downloadIconCancel",
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},
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retry: {
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commandName: "downloadsCmd_retry",
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l10nId: "download-retry",
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descriptionL10nId: "download-retry-description",
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iconClass: "downloadIconRetry",
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},
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show: {
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commandName: "downloadsCmd_show",
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l10nId: "download-show",
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descriptionL10nId: "download-show-description",
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iconClass: "downloadIconShow",
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},
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subviewOpenOrRemoveFile: {
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commandName: "downloadsCmd_showBlockedInfo",
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l10nId: "download-open-or-remove-file",
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descriptionL10nId: "download-show-more-information-description",
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iconClass: "downloadIconSubviewArrow",
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},
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askOpenOrRemoveFile: {
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commandName: "downloadsCmd_chooseOpen",
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l10nId: "download-open-or-remove-file",
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iconClass: "downloadIconShow",
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},
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askRemoveFileOrAllow: {
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commandName: "downloadsCmd_chooseUnblock",
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l10nId: "download-remove-file-or-allow",
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iconClass: "downloadIconShow",
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},
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removeFile: {
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commandName: "downloadsCmd_confirmBlock",
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l10nId: "download-remove-file",
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iconClass: "downloadIconCancel",
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},
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};
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/**
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* Associates each document with a pre-built DOM fragment representing the
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* download list item. This is then cloned to create each individual list item.
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* This is stored on the document to prevent leaks that would occur if a single
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* instance created by one document's DOMParser was stored globally.
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*/
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var gDownloadListItemFragments = new WeakMap();
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var DownloadsViewUI = {
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/**
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* Returns true if the given string is the name of a command that can be
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* handled by the Downloads user interface, including standard commands.
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*/
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isCommandName(name) {
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return name.startsWith("cmd_") || name.startsWith("downloadsCmd_");
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},
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/**
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* Returns the user-facing label for the given Download object. This is
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* normally the leaf name of the download target file. In case this is a very
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* old history download for which the target file is unknown, the download
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* source URI is displayed.
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*/
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getDisplayName(download) {
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return download.target.path
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? OS.Path.basename(download.target.path)
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: download.source.url;
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},
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/**
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* Given a Download object, returns a string representing its file size with
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* an appropriate measurement unit, for example "1.5 MB", or an empty string
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* if the size is unknown.
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*/
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getSizeWithUnits(download) {
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if (download.target.size === undefined) {
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return "";
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}
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let [size, unit] = DownloadUtils.convertByteUnits(download.target.size);
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return DownloadsCommon.strings.sizeWithUnits(size, unit);
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},
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};
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this.DownloadsViewUI.BaseView = class {
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canClearDownloads(nodeContainer) {
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// Downloads can be cleared if there's at least one removable download in
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// the list (either a history download or a completed session download).
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// Because history downloads are always removable and are listed after the
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// session downloads, check from bottom to top.
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for (let elt = nodeContainer.lastChild; elt; elt = elt.previousSibling) {
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// Stopped, paused, and failed downloads with partial data are removed.
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let download = elt._shell.download;
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if (download.stopped && !(download.canceled && download.hasPartialData)) {
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return true;
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}
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}
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return false;
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}
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};
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/**
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* A download element shell is responsible for handling the commands and the
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* displayed data for a single element that uses the "download.xml" binding.
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*
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* The information to display is obtained through the associated Download object
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* from the JavaScript API for downloads, and commands are executed using a
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* combination of Download methods and DownloadsCommon.jsm helper functions.
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*
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* Specialized versions of this shell must be defined, and they are required to
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* implement the "download" property or getter. Currently these objects are the
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* HistoryDownloadElementShell and the DownloadsViewItem for the panel. The
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* history view may use a HistoryDownload object in place of a Download object.
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*/
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this.DownloadsViewUI.DownloadElementShell = function() {};
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this.DownloadsViewUI.DownloadElementShell.prototype = {
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/**
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* The richlistitem for the download, initialized by the derived object.
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*/
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element: null,
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/**
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* Manages the "active" state of the shell. By default all the shells are
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* inactive, thus their UI is not updated. They must be activated when
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* entering the visible area.
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*/
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ensureActive() {
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if (!this._active) {
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this._active = true;
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this.connect();
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this.onChanged();
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}
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},
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get active() {
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return !!this._active;
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},
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connect() {
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let document = this.element.ownerDocument;
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let downloadListItemFragment = gDownloadListItemFragments.get(document);
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// When changing the markup within the fragment, please ensure that
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// the functions within DownloadsView still operate correctly.
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// E.g. onDownloadClick() relies on brittle logic and performs/prevents
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// actions based on the check if originaltarget was not a button.
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if (!downloadListItemFragment) {
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let MozXULElement = document.defaultView.MozXULElement;
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downloadListItemFragment = MozXULElement.parseXULToFragment(`
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<hbox class="downloadMainArea" flex="1" align="center">
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<stack>
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<image class="downloadTypeIcon" validate="always"/>
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<image class="downloadBlockedBadge" />
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</stack>
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<vbox class="downloadContainer" flex="1" pack="center">
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<description class="downloadTarget" crop="center"/>
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<description class="downloadDetails downloadDetailsNormal"
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crop="end"/>
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<description class="downloadDetails downloadDetailsHover"
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crop="end"/>
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<description class="downloadDetails downloadDetailsButtonHover"
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crop="end"/>
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</vbox>
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</hbox>
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<toolbarseparator />
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<button class="downloadButton"/>
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`);
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gDownloadListItemFragments.set(document, downloadListItemFragment);
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}
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this.element.setAttribute("active", true);
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this.element.setAttribute("orient", "horizontal");
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this.element.addEventListener("click", ev => {
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ev.target.ownerGlobal.DownloadsView.onDownloadClick(ev);
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});
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this.element.appendChild(
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document.importNode(downloadListItemFragment, true)
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);
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let downloadButton = this.element.querySelector(".downloadButton");
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downloadButton.addEventListener("command", function(event) {
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event.target.ownerGlobal.DownloadsView.onDownloadButton(event);
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});
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for (let [propertyName, selector] of [
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["_downloadTypeIcon", ".downloadTypeIcon"],
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["_downloadTarget", ".downloadTarget"],
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["_downloadDetailsNormal", ".downloadDetailsNormal"],
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["_downloadDetailsHover", ".downloadDetailsHover"],
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["_downloadDetailsButtonHover", ".downloadDetailsButtonHover"],
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["_downloadButton", ".downloadButton"],
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]) {
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this[propertyName] = this.element.querySelector(selector);
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}
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// HTML elements can be created directly without using parseXULToFragment.
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let progress = (this._downloadProgress = document.createElementNS(
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HTML_NS,
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"progress"
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));
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progress.className = "downloadProgress";
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progress.setAttribute("max", "100");
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this._downloadTarget.insertAdjacentElement("afterend", progress);
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},
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/**
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* Returns a string from the downloads stringbundleset, which contains legacy
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* strings that are loaded from DTD files instead of properties files. This
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* won't be necessary once localization is converted to Fluent (bug 1452637).
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*/
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string(l10nId) {
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// These strings are not used often enough to require caching.
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return this.element.ownerDocument
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.getElementById("downloadsStrings")
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.getAttribute("string-" + l10nId);
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},
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/**
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* URI string for the file type icon displayed in the download element.
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*/
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get image() {
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if (!this.download.target.path) {
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// Old history downloads may not have a target path.
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return "moz-icon://.unknown?size=32";
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}
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// When a download that was previously in progress finishes successfully, it
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// means that the target file now exists and we can extract its specific
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// icon, for example from a Windows executable. To ensure that the icon is
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// reloaded, however, we must change the URI used by the XUL image element,
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// for example by adding a query parameter. This only works if we add one of
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// the parameters explicitly supported by the nsIMozIconURI interface.
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return (
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"moz-icon://" +
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this.download.target.path +
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"?size=32" +
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(this.download.succeeded ? "&state=normal" : "")
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);
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},
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get browserWindow() {
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return BrowserWindowTracker.getTopWindow();
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},
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/**
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* Updates the display name and icon.
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*
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* @param displayName
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* This is usually the full file name of the download without the path.
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* @param icon
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* URL of the icon to load, generally from the "image" property.
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*/
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showDisplayNameAndIcon(displayName, icon) {
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this._downloadTarget.setAttribute("value", displayName);
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this._downloadTarget.setAttribute("tooltiptext", displayName);
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this._downloadTypeIcon.setAttribute("src", icon);
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},
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/**
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* Updates the displayed progress bar.
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*
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* @param mode
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* Either "normal" or "undetermined".
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* @param value
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* Percentage of the progress bar to display, from 0 to 100.
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* @param paused
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* True to display the progress bar style for paused downloads.
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*/
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showProgress(mode, value, paused) {
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if (mode == "undetermined") {
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this._downloadProgress.removeAttribute("value");
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} else {
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this._downloadProgress.setAttribute("value", value);
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}
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this._downloadProgress.toggleAttribute("paused", !!paused);
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},
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/**
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* Updates the full status line.
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*
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* @param status
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* Status line of the Downloads Panel or the Downloads View.
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* @param hoverStatus
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* Label to show in the Downloads Panel when the mouse pointer is over
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* the main area of the item. If not specified, this will be the same
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* as the status line. This is ignored in the Downloads View.
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*/
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showStatus(status, hoverStatus = status) {
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this._downloadDetailsNormal.setAttribute("value", status);
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this._downloadDetailsNormal.setAttribute("tooltiptext", status);
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this._downloadDetailsHover.setAttribute("value", hoverStatus);
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},
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/**
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* Updates the status line combining the given state label with other labels.
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*
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* @param stateLabel
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* Label representing the state of the download, for example "Failed".
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* In the Downloads Panel, this is the only text displayed when the
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* the mouse pointer is not over the main area of the item. In the
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* Downloads View, this label is combined with the host and date, for
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* example "Failed - example.com - 1:45 PM".
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* @param hoverStatus
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* Label to show in the Downloads Panel when the mouse pointer is over
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* the main area of the item. If not specified, this will be the
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* state label combined with the host and date. This is ignored in the
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* Downloads View.
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*/
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showStatusWithDetails(stateLabel, hoverStatus) {
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let referrer =
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this.download.source.referrerInfo &&
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this.download.source.referrerInfo.originalReferrer
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? this.download.source.referrerInfo.originalReferrer.spec
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: null;
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let [displayHost] = DownloadUtils.getURIHost(
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referrer || this.download.source.url
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);
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let [displayDate] = DownloadUtils.getReadableDates(
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new Date(this.download.endTime)
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);
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let firstPart = DownloadsCommon.strings.statusSeparator(
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stateLabel,
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displayHost
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);
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let fullStatus = DownloadsCommon.strings.statusSeparator(
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firstPart,
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displayDate
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);
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if (!this.isPanel) {
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this.showStatus(fullStatus);
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} else {
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this.showStatus(stateLabel, hoverStatus || fullStatus);
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}
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},
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/**
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* Updates the main action button and makes it visible.
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*
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* @param type
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* One of the presets defined in gDownloadElementButtons.
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*/
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showButton(type) {
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let {
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commandName,
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l10nId,
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descriptionL10nId,
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iconClass,
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} = gDownloadElementButtons[type];
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this.buttonCommandName = commandName;
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let labelAttribute = this.isPanel ? "aria-label" : "tooltiptext";
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this._downloadButton.setAttribute(labelAttribute, this.string(l10nId));
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if (this.isPanel && descriptionL10nId) {
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this._downloadDetailsButtonHover.setAttribute(
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"value",
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this.string(descriptionL10nId)
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);
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}
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this._downloadButton.setAttribute("class", "downloadButton " + iconClass);
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this._downloadButton.removeAttribute("hidden");
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},
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hideButton() {
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this._downloadButton.setAttribute("hidden", "true");
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},
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lastEstimatedSecondsLeft: Infinity,
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/**
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* This is called when a major state change occurs in the download, but is not
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* called for every progress update in order to improve performance.
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*/
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_updateState() {
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this.showDisplayNameAndIcon(
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DownloadsViewUI.getDisplayName(this.download),
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this.image
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);
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this.element.setAttribute(
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"state",
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DownloadsCommon.stateOfDownload(this.download)
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);
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if (!this.download.stopped) {
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// When the download becomes in progress, we make all the major changes to
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// the user interface here. The _updateStateInner function takes care of
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// displaying the right button type for all other state changes.
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this.showButton("cancel");
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}
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// Since state changed, reset the time left estimation.
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this.lastEstimatedSecondsLeft = Infinity;
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this._updateStateInner();
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},
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/**
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* This is called for all changes in the download, including progress updates.
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* For major state changes, _updateState is called first, but several elements
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* are still updated here. When the download is in progress, this function
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* takes a faster path with less element updates to improve performance.
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*/
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_updateStateInner() {
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let progressPaused = false;
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if (!this.download.stopped) {
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// The download is in progress, so we don't change the button state
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// because the _updateState function already did it. We still need to
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// update all elements that may change during the download.
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let totalBytes = this.download.hasProgress
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? this.download.totalBytes
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: -1;
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let [status, newEstimatedSecondsLeft] = DownloadUtils.getDownloadStatus(
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this.download.currentBytes,
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totalBytes,
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this.download.speed,
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this.lastEstimatedSecondsLeft
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);
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this.lastEstimatedSecondsLeft = newEstimatedSecondsLeft;
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this.showStatus(status);
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} else {
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let verdict = "";
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// The download is not in progress, so we update the user interface based
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// on other properties. The order in which we check the properties of the
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// Download object is the same used by stateOfDownload.
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if (this.download.succeeded) {
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if (this.download.target.exists) {
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// This is a completed download, and the target file still exists.
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this.element.setAttribute("exists", "true");
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let sizeWithUnits = DownloadsViewUI.getSizeWithUnits(this.download);
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if (this.isPanel) {
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// In the Downloads Panel, we show the file size after the state
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// label, for example "Completed - 1.5 MB". When the pointer is over
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// the main area of the item, this label is replaced with a
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// description of the default action, which opens the file.
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let status = DownloadsCommon.strings.stateCompleted;
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if (sizeWithUnits) {
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status = DownloadsCommon.strings.statusSeparator(
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status,
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sizeWithUnits
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);
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}
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this.showStatus(
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status,
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this.string("download-open-file-description")
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);
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} else {
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// In the Downloads View, we show the file size in place of the
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// state label, for example "1.5 MB - example.com - 1:45 PM".
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this.showStatusWithDetails(
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sizeWithUnits || DownloadsCommon.strings.sizeUnknown
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);
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}
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this.showButton("show");
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} else {
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// This is a completed download, but the target file does not exist
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// anymore, so the main action of opening the file is unavailable.
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this.element.removeAttribute("exists");
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let label = DownloadsCommon.strings.fileMovedOrMissing;
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this.showStatusWithDetails(label, label);
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this.hideButton();
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}
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} else if (this.download.error) {
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if (this.download.error.becauseBlockedByParentalControls) {
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// This download was blocked permanently by parental controls.
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this.showStatusWithDetails(
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DownloadsCommon.strings.stateBlockedParentalControls
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);
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this.hideButton();
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} else if (this.download.error.becauseBlockedByReputationCheck) {
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verdict = this.download.error.reputationCheckVerdict;
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let hover = "";
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if (!this.download.hasBlockedData) {
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// This download was blocked permanently by reputation check.
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this.hideButton();
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} else if (this.isPanel) {
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// This download was blocked temporarily by reputation check. In the
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// Downloads Panel, a subview can be used to remove the file or open
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// the download anyways.
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this.showButton("subviewOpenOrRemoveFile");
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|
hover = this.string("download-show-more-information-description");
|
|
} else {
|
|
// This download was blocked temporarily by reputation check. In the
|
|
// Downloads View, the interface depends on the threat severity.
|
|
switch (verdict) {
|
|
case Downloads.Error.BLOCK_VERDICT_UNCOMMON:
|
|
this.showButton("askOpenOrRemoveFile");
|
|
break;
|
|
case Downloads.Error.BLOCK_VERDICT_POTENTIALLY_UNWANTED:
|
|
this.showButton("askRemoveFileOrAllow");
|
|
break;
|
|
default:
|
|
// Assume Downloads.Error.BLOCK_VERDICT_MALWARE
|
|
this.showButton("removeFile");
|
|
break;
|
|
}
|
|
}
|
|
this.showStatusWithDetails(this.rawBlockedTitleAndDetails[0], hover);
|
|
} else {
|
|
// This download failed without being blocked, and can be restarted.
|
|
this.showStatusWithDetails(DownloadsCommon.strings.stateFailed);
|
|
this.showButton("retry");
|
|
}
|
|
} else if (this.download.canceled) {
|
|
if (this.download.hasPartialData) {
|
|
// This download was paused. The main action button will cancel the
|
|
// download, and in both the Downloads Panel and the Downlods View the
|
|
// status includes the size, for example "Paused - 1.1 MB".
|
|
let totalBytes = this.download.hasProgress
|
|
? this.download.totalBytes
|
|
: -1;
|
|
let transfer = DownloadUtils.getTransferTotal(
|
|
this.download.currentBytes,
|
|
totalBytes
|
|
);
|
|
this.showStatus(
|
|
DownloadsCommon.strings.statusSeparatorBeforeNumber(
|
|
DownloadsCommon.strings.statePaused,
|
|
transfer
|
|
)
|
|
);
|
|
this.showButton("cancel");
|
|
progressPaused = true;
|
|
} else {
|
|
// This download was canceled.
|
|
this.showStatusWithDetails(DownloadsCommon.strings.stateCanceled);
|
|
this.showButton("retry");
|
|
}
|
|
} else {
|
|
// This download was added to the global list before it started. While
|
|
// we still support this case, at the moment it can only be triggered by
|
|
// internally developed add-ons and regression tests, and should not
|
|
// happen unless there is a bug. This means the stateStarting string can
|
|
// probably be removed when converting the localization to Fluent.
|
|
this.showStatus(DownloadsCommon.strings.stateStarting);
|
|
this.showButton("cancel");
|
|
}
|
|
|
|
// These attributes are only set in this slower code path, because they
|
|
// are irrelevant for downloads that are in progress.
|
|
if (verdict) {
|
|
this.element.setAttribute("verdict", verdict);
|
|
} else {
|
|
this.element.removeAttribute("verdict");
|
|
}
|
|
|
|
this.element.classList.toggle(
|
|
"temporary-block",
|
|
!!this.download.hasBlockedData
|
|
);
|
|
}
|
|
|
|
// These attributes are set in all code paths, because they are relevant for
|
|
// downloads that are in progress and for other states.
|
|
if (this.download.hasProgress) {
|
|
this.showProgress("normal", this.download.progress, progressPaused);
|
|
} else {
|
|
this.showProgress("undetermined", 100, progressPaused);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 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
|
|
);
|
|
},
|
|
|
|
/**
|
|
* 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();
|
|
}
|
|
return Promise.resolve();
|
|
})
|
|
.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 DownloadsCommon.DOWNLOAD_NOTSTARTED:
|
|
return "downloadsCmd_cancel";
|
|
case DownloadsCommon.DOWNLOAD_FAILED:
|
|
case DownloadsCommon.DOWNLOAD_CANCELED:
|
|
return "downloadsCmd_retry";
|
|
case DownloadsCommon.DOWNLOAD_PAUSED:
|
|
return "downloadsCmd_pauseResume";
|
|
case DownloadsCommon.DOWNLOAD_FINISHED:
|
|
return "downloadsCmd_open";
|
|
case DownloadsCommon.DOWNLOAD_BLOCKED_PARENTAL:
|
|
return "downloadsCmd_openReferrer";
|
|
case DownloadsCommon.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.referrerInfo &&
|
|
!!this.download.source.referrerInfo.originalReferrer
|
|
);
|
|
case "downloadsCmd_confirmBlock":
|
|
case "downloadsCmd_chooseUnblock":
|
|
case "downloadsCmd_chooseOpen":
|
|
case "downloadsCmd_unblock":
|
|
case "downloadsCmd_unblockAndOpen":
|
|
return this.download.hasBlockedData;
|
|
case "downloadsCmd_cancel":
|
|
return this.download.hasPartialData || !this.download.stopped;
|
|
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.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 "downloadsCmd_delete":
|
|
case "cmd_delete":
|
|
// We don't want in-progress downloads to be removed accidentally.
|
|
return this.download.stopped;
|
|
}
|
|
return DownloadsViewUI.isCommandName(aCommand) && !!this[aCommand];
|
|
},
|
|
|
|
doCommand(aCommand) {
|
|
if (DownloadsViewUI.isCommandName(aCommand)) {
|
|
this[aCommand]();
|
|
}
|
|
},
|
|
|
|
onButton() {
|
|
this.doCommand(this.buttonCommandName);
|
|
},
|
|
|
|
downloadsCmd_cancel() {
|
|
// This is the correct way to avoid race conditions when cancelling.
|
|
this.download.cancel().catch(() => {});
|
|
this.download.removePartialData().catch(Cu.reportError);
|
|
},
|
|
|
|
downloadsCmd_confirmBlock() {
|
|
this.download.confirmBlock().catch(Cu.reportError);
|
|
},
|
|
|
|
downloadsCmd_open() {
|
|
let file = new FileUtils.File(this.download.target.path);
|
|
DownloadsCommon.openDownloadedFile(file, null, this.element.ownerGlobal);
|
|
},
|
|
|
|
downloadsCmd_openReferrer() {
|
|
this.element.ownerGlobal.openURL(
|
|
this.download.source.referrerInfo.originalReferrer
|
|
);
|
|
},
|
|
|
|
downloadsCmd_pauseResume() {
|
|
if (this.download.stopped) {
|
|
this.download.start();
|
|
} else {
|
|
this.download.cancel();
|
|
}
|
|
},
|
|
|
|
downloadsCmd_show() {
|
|
let file = new FileUtils.File(this.download.target.path);
|
|
DownloadsCommon.showDownloadedFile(file);
|
|
},
|
|
|
|
downloadsCmd_retry() {
|
|
if (this.download.start) {
|
|
// Errors when retrying are already reported as download failures.
|
|
this.download.start().catch(() => {});
|
|
return;
|
|
}
|
|
|
|
let window = this.browserWindow || this.element.ownerGlobal;
|
|
let document = window.document;
|
|
|
|
// Do not suggest a file name if we don't know the original target.
|
|
let targetPath = this.download.target.path
|
|
? OS.Path.basename(this.download.target.path)
|
|
: null;
|
|
window.DownloadURL(this.download.source.url, targetPath, document);
|
|
},
|
|
|
|
downloadsCmd_delete() {
|
|
// Alias for the 'cmd_delete' command, because it may clash with another
|
|
// controller which causes unexpected behavior as different codepaths claim
|
|
// ownership.
|
|
this.cmd_delete();
|
|
},
|
|
|
|
cmd_delete() {
|
|
DownloadsCommon.deleteDownload(this.download).catch(Cu.reportError);
|
|
},
|
|
};
|