mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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456 lines
15 KiB
JavaScript
456 lines
15 KiB
JavaScript
// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const URI_GENERIC_ICON_DOWNLOAD = "chrome://browser/skin/images/alert-downloads-30.png";
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var Downloads = {
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/**
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* _downloadCount keeps track of the number of downloads that a single
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* notification bar groups together. A download is grouped with other
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* downloads if it starts before other downloads have completed.
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*/
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_downloadCount: 0,
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_inited: false,
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_progressAlert: null,
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_lastSec: Infinity,
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_notificationBox: null,
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_progressNotification: null,
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_progressNotificationInfo: new Map(),
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_runDownloadBooleanMap: new Map(),
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get manager() {
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return Cc["@mozilla.org/download-manager;1"]
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.getService(Ci.nsIDownloadManager);
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},
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_getReferrerOrSource: function dh__getReferrerOrSource(aDownload) {
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return aDownload.referrer.spec || aDownload.source.spec;
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},
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_getLocalFile: function dh__getLocalFile(aFileURI) {
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// XXX it's possible that using a null char-set here is bad
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let spec = ('string' == typeof aFileURI) ? aFileURI : aFileURI.spec;
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let fileUrl;
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try {
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fileUrl = Services.io.newURI(spec, null, null).QueryInterface(Ci.nsIFileURL);
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} catch (ex) {
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Util.dumpLn("_getLocalFile: Caught exception creating newURI from file spec: "+aFileURI.spec+": " + ex.message);
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return;
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}
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return fileUrl.file.clone().QueryInterface(Ci.nsILocalFile);
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},
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init: function dh_init() {
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if (this._inited)
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return;
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this._inited = true;
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Services.obs.addObserver(this, "dl-start", true);
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Services.obs.addObserver(this, "dl-done", true);
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Services.obs.addObserver(this, "dl-run", true);
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Services.obs.addObserver(this, "dl-failed", true);
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this._notificationBox = Browser.getNotificationBox();
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this._progress = new DownloadProgressListener(this);
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this.manager.addListener(this._progress);
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},
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uninit: function dh_uninit() {
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if (this._inited) {
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Services.obs.removeObserver(this, "dl-start");
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Services.obs.removeObserver(this, "dl-done");
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Services.obs.removeObserver(this, "dl-run");
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Services.obs.removeObserver(this, "dl-failed");
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}
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},
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openDownload: function dh_openDownload(aDownload) {
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let fileURI = aDownload.target
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if (!(fileURI && fileURI.spec)) {
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Util.dumpLn("Cant open download "+id+", fileURI is invalid");
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return;
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}
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let file = this._getLocalFile(fileURI);
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try {
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file && MetroUtils.launchInDesktop(aDownload.target.spec, "");
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} catch (ex) {
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Util.dumpLn("Failed to open download, with id: "+id+", download target URI spec: " + fileURI.spec);
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Util.dumpLn("Failed download source:"+(aDownload.source && aDownload.source.spec));
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}
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},
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removeDownload: function dh_removeDownload(aDownload) {
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// aDownload is the XUL element here,
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// and .target currently returns the target attribute (string value)
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let id = aDownload.getAttribute("downloadId");
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let download = this.manager.getDownload(id);
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if (download) {
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this.manager.removeDownload(id);
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}
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},
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cancelDownload: function dh_cancelDownload(aDownload) {
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this._progressNotificationInfo.delete(aDownload.guid);
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this._runDownloadBooleanMap.delete(aDownload.targetFile.path);
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this._downloadCount--;
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if (this._progressNotificationInfo.size == 0) {
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this._notificationBox.removeNotification(this._progressNotification);
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this._progressNotification = null;
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}
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let fileURI = aDownload.target;
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if (!(fileURI && fileURI.spec)) {
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Util.dumpLn("Cant remove download file for: "+aDownload.id+", fileURI is invalid");
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return;
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}
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let file = this._getLocalFile(fileURI);
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try {
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this.manager.cancelDownload(aDownload.id);
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if (file && file.exists())
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file.remove(false);
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} catch (ex) {
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Util.dumpLn("Failed to cancel download, with id: "+aDownload.id+", download target URI spec: " + fileURI.spec);
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Util.dumpLn("Failed download source:"+(aDownload.source && aDownload.source.spec));
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}
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},
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// Cancels all downloads.
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cancelDownloads: function dh_cancelDownloads() {
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for (let info of this._progressNotificationInfo) {
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this.cancelDownload(info[1].download);
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}
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this._downloadCount = 0;
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this._progressNotificationInfo.clear();
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this._runDownloadBooleanMap.clear();
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},
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pauseDownload: function dh_pauseDownload(aDownload) {
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let id = aDownload.getAttribute("downloadId");
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this.manager.pauseDownload(id);
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},
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resumeDownload: function dh_resumeDownload(aDownload) {
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let id = aDownload.getAttribute("downloadId");
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this.manager.resumeDownload(id);
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},
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showPage: function dh_showPage(aDownload) {
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let id = aDownload.getAttribute("downloadId");
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let download = this.manager.getDownload(id);
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let uri = this._getReferrerOrSource(download);
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if (uri)
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BrowserUI.newTab(uri, Browser.selectedTab);
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},
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showAlert: function dh_showAlert(aName, aMessage, aTitle, aIcon) {
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var notifier = Cc["@mozilla.org/alerts-service;1"]
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.getService(Ci.nsIAlertsService);
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// Callback for tapping on the alert popup
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let observer = {
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observe: function (aSubject, aTopic, aData) {
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if (aTopic == "alertclickcallback") {
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// TODO: Bug 783232 turns this alert into a native toast.
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}
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}
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};
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if (!aTitle)
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aTitle = Strings.browser.GetStringFromName("alertDownloads");
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if (!aIcon)
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aIcon = URI_GENERIC_ICON_DOWNLOAD;
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notifier.showAlertNotification(aIcon, aTitle, aMessage, true, "", observer, aName);
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},
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showNotification: function dh_showNotification(title, msg, buttons, priority) {
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return this._notificationBox.appendNotification(msg,
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title,
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URI_GENERIC_ICON_DOWNLOAD,
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priority,
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buttons);
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},
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_showDownloadFailedNotification: function (aDownload) {
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let tryAgainButtonText =
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Strings.browser.GetStringFromName("downloadTryAgain");
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let cancelButtonText =
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Strings.browser.GetStringFromName("downloadCancel");
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let message = Strings.browser.formatStringFromName("alertDownloadFailed",
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[aDownload.displayName], 1);
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let buttons = [
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{
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isDefault: true,
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label: tryAgainButtonText,
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accessKey: "",
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callback: function() {
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Downloads.manager.retryDownload(aDownload.id);
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}
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},
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{
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label: cancelButtonText,
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accessKey: "",
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callback: function() {
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Downloads.cancelDownload(aDownload);
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}
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}
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];
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this.showNotification("download-failed", message, buttons,
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this._notificationBox.PRIORITY_WARNING_HIGH);
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},
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_showDownloadCompleteNotification: function (aDownload) {
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let message = "";
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let showInFilesButtonText = Strings.browser.GetStringFromName("downloadShowInFiles");
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let buttons = [
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{
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label: showInFilesButtonText,
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accessKey: "",
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callback: function() {
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let fileURI = aDownload.target;
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let file = Downloads._getLocalFile(fileURI);
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file.reveal();
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}
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}
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];
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if (this._downloadCount > 1) {
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message = PluralForm.get(this._downloadCount,
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Strings.browser.GetStringFromName("alertMultipleDownloadsComplete"))
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.replace("#1", this._downloadCount)
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} else {
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let runButtonText =
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Strings.browser.GetStringFromName("downloadRun");
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message = Strings.browser.formatStringFromName("alertDownloadsDone2",
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[aDownload.displayName], 1);
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buttons.unshift({
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isDefault: true,
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label: runButtonText,
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accessKey: "",
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callback: function() {
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Downloads.openDownload(aDownload);
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}
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});
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}
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this.showNotification("download-complete", message, buttons,
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this._notificationBox.PRIORITY_WARNING_MEDIUM);
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},
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_computeDownloadProgressString: function dv_computeDownloadProgressString(aDownload) {
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let totTransferred = 0, totSize = 0, totSecondsLeft = 0;
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for (let info of this._progressNotificationInfo) {
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let size = info[1].download.size;
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let amountTransferred = info[1].download.amountTransferred;
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let speed = info[1].download.speed;
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totTransferred += amountTransferred;
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totSize += size;
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totSecondsLeft += ((size - amountTransferred) / speed);
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}
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// Compute progress in bytes.
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let amountTransferred = Util.getDownloadSize(totTransferred);
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let size = Util.getDownloadSize(totSize);
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let progress = amountTransferred + "/" + size;
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// Compute progress in time.;
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let [timeLeft, newLast] = DownloadUtils.getTimeLeft(totSecondsLeft, this._lastSec);
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this._lastSec = newLast;
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if (this._downloadCount == 1) {
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return Strings.browser.GetStringFromName("alertDownloadsStart2")
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.replace("#1", aDownload.displayName)
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.replace("#2", progress)
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.replace("#3", timeLeft)
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}
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let numDownloads = this._downloadCount;
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return PluralForm.get(numDownloads,
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Strings.browser.GetStringFromName("alertDownloadMultiple"))
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.replace("#1", numDownloads)
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.replace("#2", progress)
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.replace("#3", timeLeft);
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},
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_saveDownloadData: function dv_saveDownloadData(aDownload) {
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if (!this._progressNotificationInfo.get(aDownload.guid)) {
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this._progressNotificationInfo.set(aDownload.guid, {});
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}
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let infoObj = this._progressNotificationInfo.get(aDownload.guid);
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infoObj.download = aDownload;
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this._progressNotificationInfo.set(aDownload.guid, infoObj);
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},
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updateInfobar: function dv_updateInfobar(aDownload) {
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this._saveDownloadData(aDownload);
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let message = this._computeDownloadProgressString(aDownload);
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if (this._progressNotification == null ||
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!this._notificationBox.getNotificationWithValue("download-progress")) {
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let cancelButtonText =
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Strings.browser.GetStringFromName("downloadCancel");
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let buttons = [
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{
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isDefault: false,
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label: cancelButtonText,
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accessKey: "",
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callback: function() {
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Downloads.cancelDownloads();
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}
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}
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];
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this._progressNotification =
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this.showNotification("download-progress", message, buttons,
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this._notificationBox.PRIORITY_WARNING_LOW);
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} else {
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this._progressNotification.label = message;
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}
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},
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updateDownload: function dv_updateDownload(aDownload) {
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if (this._progressNotification != null) {
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this._saveDownloadData(aDownload);
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this._progressNotification.label =
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this._computeDownloadProgressString(aDownload);
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}
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},
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observe: function (aSubject, aTopic, aData) {
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let message = "";
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let msgTitle = "";
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switch (aTopic) {
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case "dl-run":
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let file = aSubject.QueryInterface(Ci.nsIFile);
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this._runDownloadBooleanMap.set(file.path, (aData == 'true'));
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break;
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case "dl-start":
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this._downloadCount++;
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let download = aSubject.QueryInterface(Ci.nsIDownload);
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if (!this._progressNotificationInfo.get(download.guid)) {
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this._progressNotificationInfo.set(download.guid, {});
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}
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if (!this._progressAlert) {
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this._progressAlert = new AlertDownloadProgressListener();
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this.manager.addListener(this._progressAlert);
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}
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this.updateInfobar(download);
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break;
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case "dl-done":
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download = aSubject.QueryInterface(Ci.nsIDownload);
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let runAfterDownload = this._runDownloadBooleanMap.get(download.targetFile.path);
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if (runAfterDownload) {
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this.openDownload(download);
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}
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this._progressNotificationInfo.delete(download.guid);
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this._runDownloadBooleanMap.delete(download.targetFile.path);
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if (this._progressNotificationInfo.size == 0) {
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if (this._downloadCount > 1 || !runAfterDownload) {
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this._showDownloadCompleteNotification(download);
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}
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this._downloadCount = 0;
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this._notificationBox.removeNotification(this._progressNotification);
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this._progressNotification = null;
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}
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break;
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case "dl-failed":
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download = aSubject.QueryInterface(Ci.nsIDownload);
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break;
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}
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},
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QueryInterface: function (aIID) {
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if (!aIID.equals(Ci.nsIObserver) &&
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!aIID.equals(Ci.nsISupportsWeakReference) &&
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!aIID.equals(Ci.nsISupports))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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};
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/**
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* Notifies Downloads object about updates in the state of various downloads.
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*
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* @param aDownloads An instance of Downloads.
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*/
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function DownloadProgressListener(aDownloads) {
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this._downloads = aDownloads;
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}
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DownloadProgressListener.prototype = {
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_downloads: null,
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//////////////////////////////////////////////////////////////////////////////
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//// nsIDownloadProgressListener
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onDownloadStateChange: function dPL_onDownloadStateChange(aState, aDownload) {
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// TODO: Use DownloadProgressListener instead of observers in the Downloads object.
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this._downloads.updateDownload(aDownload);
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},
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onProgressChange: function dPL_onProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress, aDownload) {
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// TODO <jwilde>: Add more detailed progress information.
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this._downloads.updateDownload(aDownload);
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},
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onStateChange: function(aWebProgress, aRequest, aState, aStatus, aDownload) { },
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onSecurityChange: function(aWebProgress, aRequest, aState, aDownload) { },
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//////////////////////////////////////////////////////////////////////////////
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//// nsISupports
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadProgressListener])
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};
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/**
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* Tracks download progress so that additional information can be displayed
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* about its download in alert popups.
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*/
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function AlertDownloadProgressListener() { }
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AlertDownloadProgressListener.prototype = {
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//////////////////////////////////////////////////////////////////////////////
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//// nsIDownloadProgressListener
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onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress, aDownload) {
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let strings = Strings.browser;
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let availableSpace = -1;
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try {
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// diskSpaceAvailable is not implemented on all systems
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let availableSpace = aDownload.targetFile.diskSpaceAvailable;
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} catch(ex) { }
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let contentLength = aDownload.size;
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if (availableSpace > 0 && contentLength > 0 && contentLength > availableSpace) {
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Downloads.showAlert(aDownload.target.spec.replace("file:", "download:"),
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strings.GetStringFromName("alertDownloadsNoSpace"),
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strings.GetStringFromName("alertDownloadsSize"));
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Downloads.cancelDownload(aDownload);
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}
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},
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onDownloadStateChange: function(aState, aDownload) { },
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onStateChange: function(aWebProgress, aRequest, aState, aStatus, aDownload) { },
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onSecurityChange: function(aWebProgress, aRequest, aState, aDownload) { },
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//////////////////////////////////////////////////////////////////////////////
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//// nsISupports
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadProgressListener])
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};
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