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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-07-29 11:02:21 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-07-29 11:02:21 +0200
commitdf852eca4ed7707d16bc41b83d246fb07d1af3ee (patch)
tree04afd67a86140296c64640e0e790616a4106f9d6 /application/palemoon
parentf2f7005141bbc366aee8fce0c88592d5c544d30d (diff)
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[PALEMOON] Bug 1117139 - Move code controlling the "download.xml" binding to a common place (downloadsViewCommon.js)
Diffstat (limited to 'application/palemoon')
-rw-r--r--application/palemoon/components/downloads/content/downloadsViewCommon.js267
1 files changed, 267 insertions, 0 deletions
diff --git a/application/palemoon/components/downloads/content/downloadsViewCommon.js b/application/palemoon/components/downloads/content/downloadsViewCommon.js
new file mode 100644
index 000000000..7b763ed07
--- /dev/null
+++ b/application/palemoon/components/downloads/content/downloadsViewCommon.js
@@ -0,0 +1,267 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This file is loaded in every window that uses the "download.xml" binding, and
+ * provides prototypes for objects that handle input and display information.
+ *
+ * This file lazily imports common JavaScript modules in the window scope. Most
+ * of these modules are generally already declared before this file is included.
+ */
+
+"use strict";
+
+let { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
+ "resource://gre/modules/DownloadUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
+ "resource:///modules/DownloadsCommon.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
+ "resource://gre/modules/FileUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
+ "resource://gre/modules/NetUtil.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "OS",
+ "resource://gre/modules/osfile.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
+ "resource://gre/modules/PlacesUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
+ "resource://gre/modules/PrivateBrowsingUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Promise",
+ "resource://gre/modules/Promise.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Services",
+ "resource://gre/modules/Services.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Task",
+ "resource://gre/modules/Task.jsm");
+
+/**
+ * A download element shell is responsible for handling the commands and the
+ * displayed data for a single element that uses the "download.xml" binding.
+ *
+ * The information to display is obtained through the associated Download object
+ * from the JavaScript API for downloads, and commands are executed using a
+ * combination of Download methods and DownloadsCommon.jsm helper functions.
+ *
+ * Specialized versions of this shell must be defined, currently they are the
+ * HistoryDownloadElementShell and the DownloadsViewItem for the panel. The
+ * history view may use a HistoryDownload object in place of a Download object.
+ */
+function DownloadElementShell() {}
+
+DownloadElementShell.prototype = {
+ /**
+ * The richlistitem for the download, initialized by the derived object.
+ */
+ element: null,
+
+ /**
+ * The DownloadsDataItem for the download, overridden by the derived object.
+ */
+ dataItem: null,
+
+ /**
+ * Download or HistoryDownload object to use for displaying information and
+ * for executing commands in the user interface.
+ */
+ get download() this.dataItem.download,
+
+ /**
+ * URI string for the file type icon displayed in the download element.
+ */
+ get image() {
+ if (this.download.target.path) {
+ return "moz-icon://" + this.download.target.path + "?size=32";
+ }
+
+ // Old history downloads may not have a target path.
+ return "moz-icon://.unknown?size=32";
+ },
+
+ /**
+ * The user-facing label for the download. This is normally the leaf name of
+ * the download target file. In case this is a very old history download for
+ * which the target file is unknown, the download source URI is displayed.
+ */
+ get displayName() {
+ if (!this.download.target.path) {
+ return this.download.source.url;
+ }
+ return OS.Path.basename(this.download.target.path);
+ },
+
+ get extendedDisplayName() {
+ let s = DownloadsCommon.strings;
+ let referrer = this.dataItem.download.source.referrer ||
+ this.dataItem.download.source.url;
+ let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+ return s.statusSeparator(this.displayName, displayHost);
+ },
+
+ get extendedDisplayNameTip() {
+ let s = DownloadsCommon.strings;
+ let referrer = this.dataItem.download.source.referrer ||
+ this.dataItem.download.source.url;
+ let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+ return s.statusSeparator(this.displayName, fullHost);
+ },
+
+ /**
+ * The progress element for the download, or undefined in case the XBL binding
+ * has not been applied yet.
+ */
+ get _progressElement() {
+ if (!this.__progressElement) {
+ // If the element is not available now, we will try again the next time.
+ this.__progressElement = document.getAnonymousElementByAttribute(
+ this.element, "anonid", "progressmeter");
+ }
+ return this.__progressElement;
+ },
+
+ /**
+ * Processes a major state change in the user interface, then proceeds with
+ * the normal progress update. This function is not called for every progress
+ * update in order to improve performance.
+ */
+ _updateState() {
+ this.element.setAttribute("state", this.dataItem.state);
+ this.element.setAttribute("displayName", this.displayName);
+ this.element.setAttribute("extendedDisplayName", this.extendedDisplayName);
+ this.element.setAttribute("extendedDisplayNameTip", this.extendedDisplayNameTip);
+ this.element.setAttribute("image", this.image);
+
+ // Since state changed, reset the time left estimation.
+ this.lastEstimatedSecondsLeft = Infinity;
+
+ this._updateProgress();
+ },
+
+ /**
+ * Updates the elements that change regularly for in-progress downloads,
+ * namely the progress bar and the status line.
+ */
+ _updateProgress() {
+ if (this.dataItem.starting) {
+ // Before the download starts, the progress meter has its initial value.
+ this.element.setAttribute("progressmode", "normal");
+ this.element.setAttribute("progress", "0");
+ } else if (this.dataItem.state == Ci.nsIDownloadManager.DOWNLOAD_SCANNING ||
+ this.dataItem.percentComplete == -1) {
+ // We might not know the progress of a running download, and we don't know
+ // the remaining time during the malware scanning phase.
+ this.element.setAttribute("progressmode", "undetermined");
+ } else {
+ // This is a running download of which we know the progress.
+ this.element.setAttribute("progressmode", "normal");
+ this.element.setAttribute("progress", this.dataItem.percentComplete);
+ }
+
+ // Dispatch the ValueChange event for accessibility, if possible.
+ if (this._progressElement) {
+ let event = document.createEvent("Events");
+ event.initEvent("ValueChange", true, true);
+ this._progressElement.dispatchEvent(event);
+ }
+
+ let status = this.statusTextAndTip;
+ this.element.setAttribute("status", status.text);
+ this.element.setAttribute("statusTip", status.tip);
+ },
+
+ lastEstimatedSecondsLeft: Infinity,
+
+ /**
+ * Returns the text for the status line and the associated tooltip. These are
+ * returned by a single property because they are computed together. The
+ * result may be overridden by derived objects.
+ */
+ get statusTextAndTip() this.rawStatusTextAndTip,
+
+ /**
+ * Derived objects may call this to get the status text.
+ */
+ get rawStatusTextAndTip() {
+ const nsIDM = Ci.nsIDownloadManager;
+ let s = DownloadsCommon.strings;
+
+ let text = "";
+ let tip = "";
+
+ if (this.dataItem.paused) {
+ let transfer = DownloadUtils.getTransferTotal(this.download.currentBytes,
+ this.dataItem.maxBytes);
+
+ // We use the same XUL label to display both the state and the amount
+ // transferred, for example "Paused - 1.1 MB".
+ text = s.statusSeparatorBeforeNumber(s.statePaused, transfer);
+ } else if (this.dataItem.state == nsIDM.DOWNLOAD_DOWNLOADING) {
+ // By default, extended status information including the individual
+ // download rate is displayed in the tooltip. The history view overrides
+ // the getter and displays the detials in the main area instead.
+ [text] = DownloadUtils.getDownloadStatusNoRate(
+ this.download.currentBytes,
+ this.dataItem.maxBytes,
+ this.download.speed,
+ this.lastEstimatedSecondsLeft);
+ let newEstimatedSecondsLeft;
+ [tip, newEstimatedSecondsLeft] = DownloadUtils.getDownloadStatus(
+ this.download.currentBytes,
+ this.dataItem.maxBytes,
+ this.download.speed,
+ this.lastEstimatedSecondsLeft);
+ this.lastEstimatedSecondsLeft = newEstimatedSecondsLeft;
+ } else if (this.dataItem.starting) {
+ text = s.stateStarting;
+ } else if (this.dataItem.state == nsIDM.DOWNLOAD_SCANNING) {
+ text = s.stateScanning;
+ } else {
+ let stateLabel;
+ switch (this.dataItem.state) {
+ case nsIDM.DOWNLOAD_FAILED:
+ stateLabel = s.stateFailed;
+ break;
+ case nsIDM.DOWNLOAD_CANCELED:
+ stateLabel = s.stateCanceled;
+ break;
+ case nsIDM.DOWNLOAD_BLOCKED_PARENTAL:
+ stateLabel = s.stateBlockedParentalControls;
+ break;
+ case nsIDM.DOWNLOAD_BLOCKED_POLICY:
+ stateLabel = s.stateBlockedPolicy;
+ break;
+ case nsIDM.DOWNLOAD_DIRTY:
+ stateLabel = s.stateDirty;
+ break;
+ case nsIDM.DOWNLOAD_FINISHED:
+ // For completed downloads, show the file size (e.g. "1.5 MB")
+ if (this.dataItem.maxBytes !== undefined &&
+ this.dataItem.maxBytes >= 0) {
+ let [size, unit] =
+ DownloadUtils.convertByteUnits(this.dataItem.maxBytes);
+ stateLabel = s.sizeWithUnits(size, unit);
+ break;
+ }
+ // Fallback to default unknown state.
+ default:
+ stateLabel = s.sizeUnknown;
+ break;
+ }
+
+ let referrer = this.download.source.referrer ||
+ this.download.source.url;
+ let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+
+ let date = new Date(this.dataItem.endTime);
+ let [displayDate, fullDate] = DownloadUtils.getReadableDates(date);
+
+ let firstPart = s.statusSeparator(stateLabel, displayHost);
+ text = s.statusSeparator(firstPart, displayDate);
+ tip = s.statusSeparator(fullHost, fullDate);
+ }
+
+ return { text, tip: tip || text };
+ },
+};