mirror of
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346 lines
13 KiB
JavaScript
346 lines
13 KiB
JavaScript
// Copyright (c) 2011 by Kris Maglione <maglione.k@gmail.com>
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//
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// This work is licensed for reuse under an MIT license. Details are
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// given in the LICENSE.txt file included with this file.
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"use strict";
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Components.utils.import("resource://dactyl/bootstrap.jsm");
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defineModule("downloads", {
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exports: ["Download", "Downloads", "downloads"],
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use: ["io", "prefs", "services", "template", "util"]
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}, this);
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Cu.import("resource://gre/modules/DownloadUtils.jsm", this);
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let prefix = "DOWNLOAD_";
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var states = iter([v, k.slice(prefix.length).toLowerCase()]
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for ([k, v] in Iterator(Ci.nsIDownloadManager))
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if (k.indexOf(prefix) == 0))
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.toObject();
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var Download = Class("Download", {
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init: function init(id, list) {
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let self = XPCSafeJSObjectWrapper(services.downloadManager.getDownload(id));
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self.__proto__ = this;
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this.instance = this;
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this.list = list;
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this.nodes = {
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commandTarget: self
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};
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util.xmlToDom(
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<tr highlight="Download" key="row" xmlns:dactyl={NS} xmlns={XHTML}>
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<td highlight="DownloadTitle">
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<span highlight="Link">
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<a key="launch" dactyl:command="download.command"
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href={self.target.spec} path={self.targetFile.path}>{self.displayName}</a>
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<span highlight="LinkInfo">{self.targetFile.path}</span>
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</span>
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</td>
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<td highlight="DownloadState" key="state"/>
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<td highlight="DownloadButtons Buttons">
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<a highlight="Button" key="pause">Pause</a>
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<a highlight="Button" key="remove">Remove</a>
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<a highlight="Button" key="resume">Resume</a>
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<a highlight="Button" key="retry">Retry</a>
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<a highlight="Button" key="cancel">Cancel</a>
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<a highlight="Button" key="delete">Delete</a>
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</td>
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<td highlight="DownloadProgress" key="progress">
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<span highlight="DownloadProgressHave" key="progressHave"
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/>/<span highlight="DownloadProgressTotal" key="progressTotal"/>
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</td>
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<td highlight="DownloadPercent" key="percent"/>
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<td highlight="DownloadTime" key="time"/>
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<td><a highlight="DownloadSource" key="source" href={self.source.spec}>{self.source.spec}</a></td>
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</tr>,
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this.list.document, this.nodes);
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self.updateStatus();
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return self;
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},
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get status() states[this.state],
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inState: function inState(states) states.indexOf(this.status) >= 0,
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get alive() this.inState(["downloading", "notstarted", "paused", "queued", "scanning"]),
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allowedCommands: Class.memoize(function () let (self = this) ({
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get cancel() self.cancelable && self.inState(["downloading", "paused", "starting"]),
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get delete() !this.cancel && self.targetFile.exists(),
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get launch() self.targetFile.exists() && self.inState(["finished"]),
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get pause() self.inState(["downloading"]),
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get remove() self.inState(["blocked_parental", "blocked_policy",
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"canceled", "dirty", "failed", "finished"]),
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get resume() self.resumable && self.inState(["paused"]),
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get retry() self.inState(["canceled", "failed"])
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})),
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command: function command(name) {
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util.assert(set.has(this.allowedCommands, name), "Unknown command");
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util.assert(this.allowedCommands[name], "Command not allowed");
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services.downloadManager[name + "Download"](this.id);
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},
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commands: {
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delete: function delete() {
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this.targetFile.remove(false);
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this.updateStatus();
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},
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launch: function launch() {
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let self = this;
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// Behavior mimics that of the builtin Download Manager.
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function action() {
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try {
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if (this.MIMEInfo && this.MIMEInfo.preferredAction == this.MIMEInfo.useHelperApp)
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this.MIMEInfo.launchWithFile(file)
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else
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file.launch();
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}
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catch (e) {
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services.externalProtocol.loadUrl(this.target);
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}
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}
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let file = io.File(this.targetFile);
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if (file.isExecutable() && prefs.get("browser.download.manager.alertOnEXEOpen", true))
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this.list.modules.commandline.input("This will launch an executable download. Continue? (yes/[no]) ",
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function (resp) {
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if (resp && resp.match(/^y(es)?$/i))
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action.call(self);
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});
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else
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action.call(this);
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}
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},
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compare: function compare(other) String.localeCompare(this.displayName, other.displayName),
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timeRemaining: Infinity,
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updateProgress: function updateProgress() {
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let self = this.__proto__;
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if (this.amountTransferred === this.size)
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this.nodes.time.textContent = "";
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else if (this.speed == 0 || this.size == 0)
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this.nodes.time.textContent = "Unknown";
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else {
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let seconds = (this.size - this.amountTransferred) / this.speed;
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[, self.timeRemaining] = DownloadUtils.getTimeLeft(seconds, this.timeRemaining);
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if (this.timeRemaining)
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this.nodes.time.textContent = util.formatSeconds(this.timeRemaining);
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else
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this.nodes.time.textContent = "~1 second";
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}
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let total = this.nodes.progressTotal.textContent = this.size ? util.formatBytes(this.size, 1, true) : "Unknown";
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let suffix = RegExp(/( [a-z]+)?$/i.exec(total)[0] + "$");
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this.nodes.progressHave.textContent = util.formatBytes(this.amountTransferred, 1, true).replace(suffix, "");
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this.nodes.percent.textContent = this.size ? Math.round(this.amountTransferred * 100 / this.size) + "%" : "";
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},
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updateStatus: function updateStatus() {
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if (this.alive)
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this.nodes.row.setAttribute("active", "true");
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else
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this.nodes.row.removeAttribute("active");
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this.nodes.row.setAttribute("status", this.status);
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this.nodes.state.textContent = util.capitalize(this.status);
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for (let node in values(this.nodes))
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if (node.update)
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node.update();
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this.updateProgress();
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}
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});
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var DownloadList = Class("DownloadList",
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XPCOM([Ci.nsIDownloadProgressListener,
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Ci.nsIObserver,
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Ci.nsISupportsWeakReference]), {
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init: function init(modules, filter) {
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this.modules = modules;
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this.filter = filter && filter.toLowerCase();
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this.nodes = {
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commandTarget: this
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};
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this.downloads = {};
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},
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cleanup: function cleanup() {
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this.observe.unregister();
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services.downloadManager.removeListener(this);
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},
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message: Class.memoize(function () {
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util.xmlToDom(<table highlight="Downloads" key="list" xmlns={XHTML}>
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<tr highlight="DownloadHead">
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<span>Title</span>
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<span>Status</span>
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<span/>
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<span>Progress</span>
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<span/>
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<span>Time remaining</span>
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<span>Source</span>
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</tr>
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<tr highlight="Download"><span><div style="min-height: 1ex; /* FIXME */"/></span></tr>
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<tr highlight="Download" key="totals" active="true">
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<td><span highlight="Title">Totals:</span> <span key="total"/></td>
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<td/>
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<td highlight="DownloadButtons">
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<a highlight="Button" key="clear">Clear</a>
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</td>
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<td highlight="DownloadProgress" key="progress">
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<span highlight="DownloadProgressHave" key="progressHave"
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/>/<span highlight="DownloadProgressTotal" key="progressTotal"/>
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</td>
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<td highlight="DownloadPercent" key="percent"/>
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<td highlight="DownloadTime" key="time"/>
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<td/>
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</tr>
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</table>, this.document, this.nodes);
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for (let row in iter(services.downloadManager.DBConnection
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.createStatement("SELECT id FROM moz_downloads")))
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this.addDownload(row.id);
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this.update();
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util.addObserver(this);
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services.downloadManager.addListener(this);
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return this.nodes.list;
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}),
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addDownload: function addDownload(id) {
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if (!(id in this.downloads)) {
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let download = Download(id, this);
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if (this.filter && download.displayName.indexOf(this.filter) === -1)
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return;
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this.downloads[id] = download;
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let index = values(this.downloads).sort(function (a, b) a.compare(b))
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.indexOf(download);
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this.nodes.list.insertBefore(download.nodes.row,
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this.nodes.list.childNodes[index + 1]);
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}
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},
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removeDownload: function removeDownload(id) {
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if (id in this.downloads) {
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this.nodes.list.removeChild(this.downloads[id].nodes.row);
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delete this.downloads[id];
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}
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},
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leave: function leave(stack) {
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if (stack.pop)
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this.cleanup();
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},
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allowedCommands: Class.memoize(function () let (self = this) ({
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get clear() values(self.downloads).some(function (dl) dl.allowedCommands.remove)
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})),
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commands: {
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clear: function () {
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services.downloadManager.cleanUp();
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}
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},
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update: function update() {
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for (let node in values(this.nodes))
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if (node.update && node.update != update)
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node.update();
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this.updateProgress();
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},
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timeRemaining: Infinity,
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updateProgress: function updateProgress() {
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let downloads = values(this.downloads).toArray();
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let self = Object.create(this);
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for (let prop in values(["amountTransferred", "size", "speed", "timeRemaining"]))
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this[prop] = downloads.reduce(function (acc, dl) dl[prop] + acc, 0);
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Download.prototype.updateProgress.call(self);
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let active = downloads.filter(function (dl) dl.alive).length;
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if (active)
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this.nodes.total.textContent = active + " active";
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else for (let key in values(["total", "percent", "time"]))
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this.nodes[key].textContent = "";
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},
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observers: {
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"download-manager-remove-download": function (id) {
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if (id == null)
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id = [k for ([k, dl] in iter(this.downloads)) if (dl.allowedCommands.remove)];
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else
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id = [id.QueryInterface(Ci.nsISupportsPRUint32).data];
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Array.concat(id).map(this.closure.removeDownload);
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this.update();
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}
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},
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onDownloadStateChange: function (state, download) {
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try {
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if (download.id in this.downloads)
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this.downloads[download.id].updateStatus();
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else {
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this.addDownload(download.id);
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this.modules.mow.resize(false);
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this.nodes.list.scrollIntoView(false);
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}
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this.update();
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}
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catch (e) {
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util.reportError(e);
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}
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},
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onProgressChange: function (webProgress, request,
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curProgress, maxProgress,
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curTotalProgress, maxTotalProgress,
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download) {
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try {
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if (download.id in this.downloads)
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this.downloads[download.id].updateProgress();
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this.updateProgress();
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}
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catch (e) {
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util.reportError(e);
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}
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}
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});
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var Downloads = Module("downloads", {
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}, {
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}, {
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commands: function (dactyl, modules, window) {
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const { commands } = modules;
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commands.add(["downl[oads]", "dl"],
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"Display the downloads list",
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function (args) {
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let downloads = DownloadList(modules, args[0]);
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modules.commandline.echo(downloads);
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},
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{
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argCount: "?"
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});
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}
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});
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endModule();
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// catch(e){ if (isString(e)) e = Error(e); dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack); }
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// vim: set fdm=marker sw=4 ts=4 et ft=javascript:
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