gecko-dev/webapprt/content/downloads/downloads.js

1139 строки
33 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var { interfaces: Ci, utils: Cu, classes: Cc } = Components;
const nsIDM = Ci.nsIDownloadManager;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Task.jsm");
Cu.import("resource://gre/modules/osfile.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
"resource://gre/modules/NetUtil.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
"resource://gre/modules/DownloadUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
"resource://gre/modules/PluralForm.jsm");
var gStr = {};
var DownloadItem = function(aID, aDownload) {
this.id = aID;
this._download = aDownload;
this.file = aDownload.target.path;
this.target = OS.Path.basename(aDownload.target.path);
this.uri = aDownload.source.url;
this.endTime = new Date();
this.updateState();
this.updateData();
this.createItem();
};
DownloadItem.prototype = {
/**
* The XUL element corresponding to the associated richlistbox item.
*/
element: null,
/**
* The inner XUL element for the progress bar, or null if not available.
*/
_progressElement: null,
_lastEstimatedSecondsLeft: Infinity,
updateState: function() {
// Collapse state using the correct priority.
if (this._download.succeeded) {
this.state = nsIDM.DOWNLOAD_FINISHED;
} else if (this._download.error &&
this._download.error.becauseBlockedByParentalControls) {
this.state = nsIDM.DOWNLOAD_BLOCKED_PARENTAL;
} else if (this._download.error &&
this._download.error.becauseBlockedByReputationCheck) {
this.state = nsIDM.DOWNLOAD_DIRTY;
} else if (this._download.error) {
this.state = nsIDM.DOWNLOAD_FAILED;
} else if (this._download.canceled && this._download.hasPartialData) {
this.state = nsIDM.DOWNLOAD_PAUSED;
} else if (this._download.canceled) {
this.state = nsIDM.DOWNLOAD_CANCELED;
} else if (this._download.stopped) {
this.state = nsIDM.DOWNLOAD_NOTSTARTED;
} else {
this.state = nsIDM.DOWNLOAD_DOWNLOADING;
}
},
updateData: function() {
let wasInProgress = this.inProgress;
this.updateState();
if (wasInProgress && !this.inProgress) {
this.endTime = new Date();
}
this.referrer = this._download.source.referrer;
this.startTime = this._download.startTime;
this.currBytes = this._download.currentBytes;
this.resumable = this._download.hasPartialData;
this.speed = this._download.speed;
if (this._download.succeeded) {
// If the download succeeded, show the final size if available, otherwise
// use the last known number of bytes transferred. The final size on disk
// will be available when bug 941063 is resolved.
this.maxBytes = this._download.hasProgress ? this._download.totalBytes
: this._download.currentBytes;
this.percentComplete = 100;
} else if (this._download.hasProgress) {
// If the final size and progress are known, use them.
this.maxBytes = this._download.totalBytes;
this.percentComplete = this._download.progress;
} else {
// The download final size and progress percentage is unknown.
this.maxBytes = -1;
this.percentComplete = -1;
}
},
/**
* Indicates whether the download is proceeding normally, and not finished
* yet. This includes paused downloads. When this property is true, the
* "progress" property represents the current progress of the download.
*/
get inProgress() {
return [
nsIDM.DOWNLOAD_NOTSTARTED,
nsIDM.DOWNLOAD_QUEUED,
nsIDM.DOWNLOAD_DOWNLOADING,
nsIDM.DOWNLOAD_PAUSED,
nsIDM.DOWNLOAD_SCANNING,
].indexOf(this.state) != -1;
},
/**
* This is true during the initial phases of a download, before the actual
* download of data bytes starts.
*/
get starting() {
return this.state == nsIDM.DOWNLOAD_NOTSTARTED ||
this.state == nsIDM.DOWNLOAD_QUEUED;
},
/**
* Indicates whether the download is paused.
*/
get paused() {
return this.state == nsIDM.DOWNLOAD_PAUSED;
},
/**
* Indicates whether the download is in a final state, either because it
* completed successfully or because it was blocked.
*/
get done() {
return [
nsIDM.DOWNLOAD_FINISHED,
nsIDM.DOWNLOAD_BLOCKED_PARENTAL,
nsIDM.DOWNLOAD_BLOCKED_POLICY,
nsIDM.DOWNLOAD_DIRTY,
].indexOf(this.state) != -1;
},
/**
* Indicates whether the download can be removed.
*/
get removable() {
return [
nsIDM.DOWNLOAD_FINISHED,
nsIDM.DOWNLOAD_CANCELED,
nsIDM.DOWNLOAD_BLOCKED_PARENTAL,
nsIDM.DOWNLOAD_BLOCKED_POLICY,
nsIDM.DOWNLOAD_DIRTY,
nsIDM.DOWNLOAD_FAILED,
].indexOf(this.state) != -1;
},
/**
* Indicates whether the download is finished and can be opened.
*/
get openable() {
return this.state == nsIDM.DOWNLOAD_FINISHED;
},
/**
* Indicates whether the download stopped because of an error, and can be
* resumed manually.
*/
get canRetry() {
return this.state == nsIDM.DOWNLOAD_CANCELED ||
this.state == nsIDM.DOWNLOAD_FAILED;
},
/**
* Returns the nsILocalFile for the download target.
*
* @throws if the native path is not valid. This can happen if the same
* profile is used on different platforms, for example if a native
* Windows path is stored and then the item is accessed on a Mac.
*/
get localFile() {
return this._getFile(this.file);
},
/**
* Returns the nsILocalFile for the partially downloaded target.
*
* @throws if the native path is not valid. This can happen if the same
* profile is used on different platforms, for example if a native
* Windows path is stored and then the item is accessed on a Mac.
*/
get partFile() {
return this._getFile(this.file + ".part");
},
/**
* Return a nsILocalFile for aFilename. aFilename might be a file URL or
* a native path.
*
* @param aFilename the filename of the file to retrieve.
* @return an nsILocalFile for the file.
* @throws if the native path is not valid. This can happen if the same
* profile is used on different platforms, for example if a native
* Windows path is stored and then the item is accessed on a Mac.
* @note This function makes no guarantees about the file's existence -
* callers should check that the returned file exists.
*/
_getFile: function(aFilename) {
// The download database may contain targets stored as file URLs or native
// paths. This can still be true for previously stored items, even if new
// items are stored using their file URL. See also bug 239948 comment 12.
if (aFilename.startsWith("file:")) {
// Assume the file URL we obtained from the downloads database or from the
// "spec" property of the target has the UTF-8 charset.
let fileUrl = NetUtil.newURI(aFilename).QueryInterface(Ci.nsIFileURL);
return fileUrl.file;
}
// The downloads database contains a native path. Try to create a local
// file, though this may throw an exception if the path is invalid.
let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
file.initWithPath(aFilename);
return file;
},
/**
* Show a downloaded file in the system file manager.
*/
showLocalFile: function() {
let file = this.localFile;
try {
// Show the directory containing the file and select the file.
file.reveal();
} catch (ex) {
// If reveal fails for some reason (e.g., it's not implemented on unix
// or the file doesn't exist), try using the parent if we have it.
let parent = file.parent;
if (!parent) {
return;
}
try {
// Open the parent directory to show where the file should be.
parent.launch();
} catch (ex) {
// If launch also fails (probably because it's not implemented), let
// the OS handler try to open the parent.
Cc["@mozilla.org/uriloader/external-protocol-service;1"].
getService(Ci.nsIExternalProtocolService).
loadUrl(NetUtil.newURI(parent));
}
}
},
/**
* Open the target file for this download.
*/
openLocalFile: function() {
return this._download.launch();
},
/**
* Pause the download, if it is active.
*/
pause: function() {
return this._download.cancel();
},
/**
* Resume the download, if it is paused.
*/
resume: function() {
return this._download.start();
},
/**
* Attempt to retry the download.
*/
retry: function() {
return this._download.start();
},
/**
* Cancel the download.
*/
cancel: function() {
this._download.cancel();
return this._download.removePartialData();
},
/**
* Remove the download.
*/
remove: function() {
return Downloads.getList(Downloads.ALL)
.then(list => list.remove(this._download))
.then(() => this._download.finalize(true));
},
/**
* Create a download richlistitem with the provided attributes.
*/
createItem: function() {
this.element = document.createElement("richlistitem");
this.element.setAttribute("id", this.id);
this.element.setAttribute("target", this.target);
this.element.setAttribute("state", this.state);
this.element.setAttribute("progress", this.percentComplete);
this.element.setAttribute("type", "download");
this.element.setAttribute("image", "moz-icon://" + this.file + "?size=32");
},
/**
* Update the status for a download item depending on its state.
*/
updateStatusText: function() {
let status = "";
let statusTip = "";
switch (this.state) {
case nsIDM.DOWNLOAD_PAUSED:
let transfer = DownloadUtils.getTransferTotal(this.currBytes,
this.maxBytes);
status = gStr.paused.replace("#1", transfer);
break;
case nsIDM.DOWNLOAD_DOWNLOADING:
let newLast;
[status, newLast] =
DownloadUtils.getDownloadStatus(this.currBytes, this.maxBytes,
this.speed,
this._lastEstimatedSecondsLeft);
this._lastEstimatedSecondsLeft = newLast;
break;
case nsIDM.DOWNLOAD_FINISHED:
case nsIDM.DOWNLOAD_FAILED:
case nsIDM.DOWNLOAD_CANCELED:
case nsIDM.DOWNLOAD_BLOCKED_PARENTAL:
case nsIDM.DOWNLOAD_BLOCKED_POLICY:
case nsIDM.DOWNLOAD_DIRTY:
let stateSize = {};
stateSize[nsIDM.DOWNLOAD_FINISHED] = () => {
// Display the file size, but show "Unknown" for negative sizes.
let sizeText = gStr.doneSizeUnknown;
if (this.maxBytes >= 0) {
let [size, unit] = DownloadUtils.convertByteUnits(this.maxBytes);
sizeText = gStr.doneSize.replace("#1", size);
sizeText = sizeText.replace("#2", unit);
}
return sizeText;
};
stateSize[nsIDM.DOWNLOAD_FAILED] = () => gStr.stateFailed;
stateSize[nsIDM.DOWNLOAD_CANCELED] = () => gStr.stateCanceled;
stateSize[nsIDM.DOWNLOAD_BLOCKED_PARENTAL] = () => gStr.stateBlocked;
stateSize[nsIDM.DOWNLOAD_BLOCKED_POLICY] = () => gStr.stateBlockedPolicy;
stateSize[nsIDM.DOWNLOAD_DIRTY] = () => gStr.stateDirty;
// Insert 1 is the download size or download state.
status = gStr.doneStatus.replace("#1", stateSize[this.state]());
let [displayHost, fullHost] =
DownloadUtils.getURIHost(this.referrer || this.uri);
// Insert 2 is the eTLD + 1 or other variations of the host.
status = status.replace("#2", displayHost);
// Set the tooltip to be the full host.
statusTip = fullHost;
break;
}
this.element.setAttribute("status", status);
this.element.setAttribute("statusTip", statusTip || status);
},
updateView: function() {
this.updateData();
// Update this download's progressmeter.
if (this.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.state == Ci.nsIDownloadManager.DOWNLOAD_SCANNING ||
this.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.percentComplete);
}
// Find the progress element as soon as the download binding is accessible.
if (!this._progressElement) {
this._progressElement =
document.getAnonymousElementByAttribute(this.element, "anonid",
"progressmeter");
}
// 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);
}
// Update the rest of the UI (bytes transferred, bytes total, download rate,
// time remaining).
// Update the time that gets shown for completed download items
// Don't bother updating it for things that aren't finished
if (!this.inProgress) {
let [dateCompact, dateComplete] = DownloadUtils.getReadableDates(this.endTime);
this.element.setAttribute("dateTime", dateCompact);
this.element.setAttribute("dateTimeTip", dateComplete);
}
this.element.setAttribute("state", this.state);
this.updateStatusText();
// Update the disabled state of the buttons of a download
let buttons = this.element.buttons;
for (let i = 0; i < buttons.length; ++i) {
let cmd = buttons[i].getAttribute("cmd");
let enabled = this.isCommandEnabled(cmd);
buttons[i].disabled = !enabled;
if ("cmd_pause" == cmd && !enabled) {
// We need to add the tooltip indicating that the download cannot be
// paused now.
buttons[i].setAttribute("tooltiptext", gStr.cannotPause);
}
}
if (this.done) {
// getTypeFromFile fails if it can't find a type for this file.
try {
// Refresh the icon, so that executable icons are shown.
let mimeService = Cc["@mozilla.org/mime;1"].
getService(Ci.nsIMIMEService);
let contentType = mimeService.getTypeFromFile(this.localFile);
let oldImage = this.element.getAttribute("image");
// Tacking on contentType bypasses cache
this.element.setAttribute("image", oldImage + "&contentType=" + contentType);
} catch (e) {}
}
},
/**
* Check if the download matches the provided search term based on the texts
* shown to the user. All search terms are checked to see if each matches any
* of the displayed texts.
*
* @return Boolean true if it matches the search; false otherwise
*/
matchesSearch: function(aTerms, aAttributes) {
return aTerms.some(term => aAttributes.some(attr => this.element.getAttribute(attr).includes(term)));
},
isCommandEnabled: function(aCommand) {
switch (aCommand) {
case "cmd_cancel":
return this.inProgress;
case "cmd_open":
return this.openable && this.localFile.exists();
case "cmd_show":
return this.localFile.exists();
case "cmd_pause":
return this.inProgress && !this.paused && this.resumable;
case "cmd_pauseResume":
return (this.inProgress || this.paused) && this.resumable;
case "cmd_resume":
return this.paused && this.resumable;
case "cmd_openReferrer":
return !!this.referrer;
case "cmd_removeFromList":
return this.removable;
case "cmd_retry":
return this.canRetry;
case "cmd_copyLocation":
return true;
}
return false;
},
doCommand: function(aCommand) {
if (!this.isCommandEnabled(aCommand)) {
return;
}
switch (aCommand) {
case "cmd_cancel":
this.cancel().catch(Cu.reportError);
break;
case "cmd_open":
this.openLocalFile().catch(Cu.reportError);
break;
case "cmd_show":
this.showLocalFile();
break;
case "cmd_pause":
this.pause().catch(Cu.reportError);
break;
case "cmd_pauseResume":
if (this.paused) {
this.resume().catch(Cu.reportError);
} else {
this.pause().catch(Cu.reportError);
}
break;
case "cmd_resume":
this.resume().catch(Cu.reportError);
break;
case "cmd_openReferrer":
let uri = Services.io.newURI(this.referrer || this.uri, null, null);
// Direct the URL to the default browser.
Cc["@mozilla.org/uriloader/external-protocol-service;1"].
getService(Ci.nsIExternalProtocolService).
getProtocolHandlerInfo(uri.scheme).
launchWithURI(uri);
break;
case "cmd_removeFromList":
this.remove().catch(Cu.reportError);
break;
case "cmd_retry":
this.retry().catch(Cu.reportError);
break;
case "cmd_copyLocation":
let clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].
getService(Ci.nsIClipboardHelper);
clipboard.copyString(this.uri);
break;
}
},
};
var gDownloadList = {
downloadItemsMap: new Map(),
idToDownloadItemMap: new Map(),
_autoIncrementID: 0,
downloadView: null,
searchBox: null,
searchTerms: [],
searchAttributes: [ "target", "status", "dateTime", ],
contextMenus: [
// DOWNLOAD_DOWNLOADING
[
"menuitem_pause",
"menuitem_cancel",
"menuseparator",
"menuitem_show",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
],
// DOWNLOAD_FINISHED
[
"menuitem_open",
"menuitem_show",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList"
],
// DOWNLOAD_FAILED
[
"menuitem_retry",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList",
],
// DOWNLOAD_CANCELED
[
"menuitem_retry",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList",
],
// DOWNLOAD_PAUSED
[
"menuitem_resume",
"menuitem_cancel",
"menuseparator",
"menuitem_show",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
],
// DOWNLOAD_QUEUED
[
"menuitem_cancel",
"menuseparator",
"menuitem_show",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
],
// DOWNLOAD_BLOCKED_PARENTAL
[
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList",
],
// DOWNLOAD_SCANNING
[
"menuitem_show",
"menuseparator",
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
],
// DOWNLOAD_DIRTY
[
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList",
],
// DOWNLOAD_BLOCKED_POLICY
[
"menuitem_openReferrer",
"menuitem_copyLocation",
"menuseparator",
"menuitem_selectAll",
"menuseparator",
"menuitem_removeFromList",
]
],
init: function() {
this.downloadView = document.getElementById("downloadView");
this.searchBox = document.getElementById("searchbox");
this.buildList(true);
this.downloadView.focus();
// Clear the search box and move focus to the list on escape from the box.
this.searchBox.addEventListener("keypress", (e) => {
this.searchBoxKeyPressHandler(e);
}, false);
Downloads.getList(Downloads.ALL)
.then(list => list.addView(this))
.catch(Cu.reportError);
},
buildList: function(aForceBuild) {
// Stringify the previous search.
let prevSearch = this.searchTerms.join(" ");
// Array of space-separated lower-case search terms.
this.searchTerms = this.searchBox.value.trim().toLowerCase().split(/\s+/);
// Unless forced, don't rebuild the download list if the search didn't change.
if (!aForceBuild && this.searchTerms.join(" ") == prevSearch) {
return;
}
// Clear the list before adding items by replacing with a shallow copy.
let empty = this.downloadView.cloneNode(false);
this.downloadView.parentNode.replaceChild(empty, this.downloadView);
this.downloadView = empty;
for (let downloadItem of this.idToDownloadItemMap.values()) {
if (downloadItem.inProgress ||
downloadItem.matchesSearch(this.searchTerms, this.searchAttributes)) {
this.downloadView.appendChild(downloadItem.element);
// Because of the joys of XBL, we can't update the buttons until the
// download object is in the document.
downloadItem.updateView();
}
}
this.updateClearListButton();
},
/**
* Remove the finished downloads from the shown download list.
*/
clearList: Task.async(function*() {
let searchTerms = this.searchTerms;
let list = yield Downloads.getList(Downloads.ALL);
yield list.removeFinished((aDownload) => {
let downloadItem = this.downloadItemsMap.get(aDownload);
if (!downloadItem) {
Cu.reportError("Download doesn't exist.");
return;
}
return downloadItem.matchesSearch(searchTerms, this.searchAttributes);
});
// Clear the input as if the user did it and move focus to the list.
this.searchBox.value = "";
this.searchBox.doCommand();
this.downloadView.focus();
}),
/**
* Update the disabled state of the clear list button based on whether or not
* there are items in the list that can potentially be removed.
*/
updateClearListButton: function() {
let button = document.getElementById("clearListButton");
// The button is enabled if we have items in the list that we can clean up.
for (let downloadItem of this.idToDownloadItemMap.values()) {
if (!downloadItem.inProgress &&
downloadItem.matchesSearch(this.searchTerms, this.searchAttributes)) {
button.disabled = false;
return;
}
}
button.disabled = true;
},
setSearchboxFocus: function() {
this.searchBox.focus();
this.searchBox.select();
},
searchBoxKeyPressHandler: function(aEvent) {
if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
// Move focus to the list instead of closing the window.
this.downloadView.focus();
aEvent.preventDefault();
}
},
buildContextMenu: function(aEvent) {
if (aEvent.target.id != "downloadContextMenu") {
return false;
}
let popup = document.getElementById("downloadContextMenu");
while (popup.hasChildNodes()) {
popup.removeChild(popup.firstChild);
}
if (this.downloadView.selectedItem) {
let downloadItem = this._getSelectedDownloadItem();
let idx = downloadItem.state;
if (idx < 0) {
idx = 0;
}
let menus = this.contextMenus[idx];
for (let i = 0; i < menus.length; ++i) {
let menuitem = document.getElementById(menus[i]).cloneNode(true);
let cmd = menuitem.getAttribute("cmd");
if (cmd) {
menuitem.disabled = !downloadItem.isCommandEnabled(cmd);
}
popup.appendChild(menuitem);
}
return true;
}
return false;
},
/**
* Perform the default action for the currently selected download item.
*/
doDefaultForSelected: function() {
// Make sure we have something selected.
let download = this._getSelectedDownloadItem();
if (!download) {
return;
}
// Get the default action (first item in the menu).
let menuitem = document.getElementById(this.contextMenus[download.state][0]);
// Try to do the action if the command is enabled.
download.doCommand(menuitem.getAttribute("cmd"));
},
onDownloadDblClick: function(aEvent) {
// Only do the default action for double primary clicks.
if (aEvent.button == 0 && aEvent.target.selected) {
this.doDefaultForSelected();
}
},
/**
* Helper function to do commands.
*
* @param aCmd
* The command to be performed.
* @param aItem
* The richlistitem that represents the download that will have the
* command performed on it. If this is null, the command is performed on
* all downloads. If the item passed in is not a richlistitem that
* represents a download, it will walk up the parent nodes until it finds
* a DOM node that is.
*/
performCommand: function(aCmd, aItem) {
if (!aItem) {
// Convert the nodelist into an array to keep a copy of the download items.
let items = Array.from(this.downloadView.selectedItems);
// Do the command for each download item.
for (let item of items) {
this.performCommand(aCmd, item);
}
return;
}
let elm = aItem;
while (elm.nodeName != "richlistitem" ||
elm.getAttribute("type") != "download") {
elm = elm.parentNode;
}
let downloadItem = this._getDownloadItemForElement(elm);
downloadItem.doCommand(aCmd);
},
onDragStart: function(aEvent) {
let downloadItem = this._getSelectedDownloadItem();
if (!downloadItem) {
return;
}
let dl = this.downloadView.selectedItem;
let f = downloadItem.localFile;
if (!f.exists()) {
return;
}
let dt = aEvent.dataTransfer;
dt.mozSetDataAt("application/x-moz-file", f, 0);
let url = Services.io.newFileURI(f).spec;
dt.setData("text/uri-list", url);
dt.setData("text/plain", url);
dt.effectAllowed = "copyMove";
dt.addElement(dl);
},
onDragOver: function(aEvent) {
let types = aEvent.dataTransfer.types;
if (types.contains("text/uri-list") ||
types.contains("text/x-moz-url") ||
types.contains("text/plain")) {
aEvent.preventDefault();
}
aEvent.stopPropagation();
},
onDrop: function(aEvent) {
let dt = aEvent.dataTransfer;
// If dragged item is from our source, do not try to
// redownload already downloaded file.
if (dt.mozGetDataAt("application/x-moz-file", 0)) {
return;
}
let name;
let url = dt.getData("URL");
if (!url) {
url = dt.getData("text/x-moz-url") || dt.getData("text/plain");
[url, name] = url.split("\n");
}
if (url) {
let sourceDoc = dt.mozSourceNode ? dt.mozSourceNode.ownerDocument : document;
saveURL(url, name ? name : url, null, true, true, null, sourceDoc);
}
},
pasteHandler: function() {
let trans = Cc["@mozilla.org/widget/transferable;1"].
createInstance(Ci.nsITransferable);
trans.init(null);
let flavors = ["text/x-moz-url", "text/unicode"];
flavors.forEach(trans.addDataFlavor);
Services.clipboard.getData(trans, Services.clipboard.kGlobalClipboard);
// Getting the data or creating the nsIURI might fail
try {
let data = {};
trans.getAnyTransferData({}, data, {});
let [url, name] = data.value.QueryInterface(Ci.nsISupportsString).data.split("\n");
if (!url) {
return;
}
let uri = Services.io.newURI(url, null, null);
saveURL(uri.spec, name || uri.spec, null, true, true, null, document);
} catch (ex) {}
},
selectAll: function() {
this.downloadView.selectAll();
},
onUpdateProgress: function() {
let numActive = 0;
let totalSize = 0;
let totalTransferred = 0;
for (let downloadItem of this.idToDownloadItemMap.values()) {
if (!downloadItem.inProgress) {
continue;
}
numActive++;
// Only add to total values if we actually know the download size.
if (downloadItem.maxBytes > 0 &&
downloadItem.state != nsIDM.DOWNLOAD_CANCELED &&
downloadItem.state != nsIDM.DOWNLOAD_FAILED) {
totalSize += downloadItem.maxBytes;
totalTransferred += downloadItem.currBytes;
}
}
// Use the default title and reset "last" values if there are no downloads.
if (numActive == 0) {
document.title = document.documentElement.getAttribute("statictitle");
return;
}
// Establish the mean transfer speed and amount downloaded.
let mean = totalTransferred;
// Calculate the percent transferred, unless we don't have a total file size.
let title = gStr.downloadsTitlePercent;
if (totalSize == 0) {
title = gStr.downloadsTitleFiles;
} else {
mean = Math.floor((totalTransferred / totalSize) * 100);
}
// Get the correct plural form and insert number of downloads and percent.
title = PluralForm.get(numActive, title);
title = title.replace("#1", numActive);
title = title.replace("#2", mean);
// Update title of window.
document.title = title;
},
onDownloadAdded: function(aDownload) {
let newID = this._autoIncrementID++;
let downloadItem = new DownloadItem(newID, aDownload);
this.downloadItemsMap.set(aDownload, downloadItem);
this.idToDownloadItemMap.set(newID, downloadItem);
if (downloadItem.inProgress ||
downloadItem.matchesSearch(this.searchTerms, this.searchAttributes)) {
this.downloadView.appendChild(downloadItem.element);
// Because of the joys of XBL, we can't update the buttons until the
// download object is in the document.
downloadItem.updateView();
// We might have added an item to an empty list, so update button.
this.updateClearListButton();
}
},
onDownloadChanged: function(aDownload) {
let downloadItem = this.downloadItemsMap.get(aDownload);
if (!downloadItem) {
Cu.reportError("Download doesn't exist.");
return;
}
downloadItem.updateView();
this.onUpdateProgress();
// The download may have changed state, so update the clear list button.
this.updateClearListButton();
if (downloadItem.done) {
// Move the download below active if it should stay in the list.
if (downloadItem.matchesSearch(this.searchTerms, this.searchAttributes)) {
// Iterate down until we find a non-active download.
let next = this.element.nextSibling;
while (next && next.inProgress) {
next = next.nextSibling;
}
// Move the item.
this.downloadView.insertBefore(this.element, next);
} else {
this.removeFromView(downloadItem);
}
return true;
}
return false;
},
onDownloadRemoved: function(aDownload) {
let downloadItem = this.downloadItemsMap.get(aDownload);
if (!downloadItem) {
Cu.reportError("Download doesn't exist.");
return;
}
this.downloadItemsMap.delete(aDownload);
this.idToDownloadItemMap.delete(downloadItem.id);
this.removeFromView(downloadItem);
},
removeFromView: function(aDownloadItem) {
// Make sure we have an item to remove.
if (!aDownloadItem.element) {
return;
}
let index = this.downloadView.selectedIndex;
this.downloadView.removeChild(aDownloadItem.element);
this.downloadView.selectedIndex = Math.min(index, this.downloadView.itemCount - 1);
// We might have removed the last item, so update the clear list button.
this.updateClearListButton();
},
_getDownloadItemForElement(element) {
return this.idToDownloadItemMap.get(element.getAttribute("id"));
},
_getSelectedDownloadItem() {
let dl = this.downloadView.selectedItem;
return dl ? this._getDownloadItemForElement(dl) : null;
},
};
function Startup() {
// Convert strings to those in the string bundle.
let sb = document.getElementById("downloadStrings");
let strings = ["paused", "cannotPause", "doneStatus", "doneSize",
"doneSizeUnknown", "stateFailed", "stateCanceled",
"stateBlocked", "stateBlockedPolicy", "stateDirty",
"downloadsTitleFiles", "downloadsTitlePercent",];
for (let name of strings) {
gStr[name] = sb.getString(name);
}
gDownloadList.init();
let DownloadTaskbarProgress =
Cu.import("resource://gre/modules/DownloadTaskbarProgress.jsm", {}).DownloadTaskbarProgress;
DownloadTaskbarProgress.onDownloadWindowLoad(window);
}
function Shutdown() {
Downloads.getList(Downloads.ALL)
.then(list => list.removeView(gDownloadList))
.catch(Cu.reportError);
}