forked from mirrors/gecko-dev
15f00ba1a2
MozReview-Commit-ID: DyTisE3dX1A --HG-- extra : rebase_source : d87b91cb9a8b7875eddc42c4e2bad6234f433af7
1440 lines
50 KiB
JavaScript
1440 lines
50 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
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"resource://gre/modules/DownloadUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
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"resource:///modules/DownloadsCommon.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "DownloadsViewUI",
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"resource:///modules/DownloadsViewUI.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
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"resource://gre/modules/FileUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
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"resource://gre/modules/NetUtil.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "OS",
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"resource://gre/modules/osfile.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
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"resource://gre/modules/PlacesUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Promise",
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"resource://gre/modules/Promise.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
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"resource:///modules/RecentWindow.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Task",
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"resource://gre/modules/Task.jsm");
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const nsIDM = Ci.nsIDownloadManager;
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const DESTINATION_FILE_URI_ANNO = "downloads/destinationFileURI";
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const DOWNLOAD_META_DATA_ANNO = "downloads/metaData";
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/**
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* Represents a download from the browser history. It implements part of the
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* interface of the Download object.
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*
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* @param aPlacesNode
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* The Places node from which the history download should be initialized.
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*/
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function HistoryDownload(aPlacesNode) {
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// TODO (bug 829201): history downloads should get the referrer from Places.
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this.source = {
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url: aPlacesNode.uri,
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};
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this.target = {
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path: undefined,
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exists: false,
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size: undefined,
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};
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// In case this download cannot obtain its end time from the Places metadata,
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// use the time from the Places node, that is the start time of the download.
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this.endTime = aPlacesNode.time / 1000;
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}
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HistoryDownload.prototype = {
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/**
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* Pushes information from Places metadata into this object.
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*/
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updateFromMetaData(metaData) {
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try {
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this.target.path = Cc["@mozilla.org/network/protocol;1?name=file"]
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.getService(Ci.nsIFileProtocolHandler)
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.getFileFromURLSpec(metaData.targetFileSpec).path;
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} catch (ex) {
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this.target.path = undefined;
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}
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if ("state" in metaData) {
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this.succeeded = metaData.state == nsIDM.DOWNLOAD_FINISHED;
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this.canceled = metaData.state == nsIDM.DOWNLOAD_CANCELED ||
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metaData.state == nsIDM.DOWNLOAD_PAUSED;
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this.endTime = metaData.endTime;
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// Recreate partial error information from the state saved in history.
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if (metaData.state == nsIDM.DOWNLOAD_FAILED) {
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this.error = { message: "History download failed." };
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} else if (metaData.state == nsIDM.DOWNLOAD_BLOCKED_PARENTAL) {
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this.error = { becauseBlockedByParentalControls: true };
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} else if (metaData.state == nsIDM.DOWNLOAD_DIRTY) {
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this.error = {
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becauseBlockedByReputationCheck: true,
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reputationCheckVerdict: metaData.reputationCheckVerdict || "",
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};
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} else {
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this.error = null;
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}
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// Normal history downloads are assumed to exist until the user interface
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// is refreshed, at which point these values may be updated.
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this.target.exists = true;
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this.target.size = metaData.fileSize;
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} else {
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// Metadata might be missing from a download that has started but hasn't
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// stopped already. Normally, this state is overridden with the one from
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// the corresponding in-progress session download. But if the browser is
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// terminated abruptly and additionally the file with information about
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// in-progress downloads is lost, we may end up using this state. We use
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// the failed state to allow the download to be restarted.
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//
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// On the other hand, if the download is missing the target file
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// annotation as well, it is just a very old one, and we can assume it
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// succeeded.
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this.succeeded = !this.target.path;
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this.error = this.target.path ? { message: "Unstarted download." } : null;
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this.canceled = false;
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// These properties may be updated if the user interface is refreshed.
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this.target.exists = false;
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this.target.size = undefined;
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}
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},
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/**
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* History downloads are never in progress.
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*/
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stopped: true,
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/**
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* No percentage indication is shown for history downloads.
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*/
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hasProgress: false,
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/**
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* History downloads cannot be restarted using their partial data, even if
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* they are indicated as paused in their Places metadata. The only way is to
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* use the information from a persisted session download, that will be shown
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* instead of the history download. In case this session download is not
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* available, we show the history download as canceled, not paused.
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*/
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hasPartialData: false,
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/**
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* This method mimicks the "start" method of session downloads, and is called
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* when the user retries a history download.
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*
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* At present, we always ask the user for a new target path when retrying a
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* history download. In the future we may consider reusing the known target
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* path if the folder still exists and the file name is not already used,
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* except when the user preferences indicate that the target path should be
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* requested every time a new download is started.
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*/
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start() {
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let browserWin = RecentWindow.getMostRecentBrowserWindow();
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let initiatingDoc = browserWin ? browserWin.document : document;
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// Do not suggest a file name if we don't know the original target.
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let leafName = this.target.path ? OS.Path.basename(this.target.path) : null;
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DownloadURL(this.source.url, leafName, initiatingDoc);
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return Promise.resolve();
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},
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/**
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* This method mimicks the "refresh" method of session downloads, except that
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* it cannot notify that the data changed to the Downloads View.
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*/
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refresh: Task.async(function* () {
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try {
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this.target.size = (yield OS.File.stat(this.target.path)).size;
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this.target.exists = true;
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} catch (ex) {
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// We keep the known file size from the metadata, if any.
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this.target.exists = false;
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}
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}),
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};
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/**
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* A download element shell is responsible for handling the commands and the
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* displayed data for a single download view element.
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*
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* The shell may contain a session download, a history download, or both. When
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* both a history and a session download are present, the session download gets
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* priority and its information is displayed.
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*
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* On construction, a new richlistitem is created, and can be accessed through
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* the |element| getter. The shell doesn't insert the item in a richlistbox, the
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* caller must do it and remove the element when it's no longer needed.
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*
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* The caller is also responsible for forwarding status notifications for
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* session downloads, calling the onStateChanged and onChanged methods.
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*
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* @param [optional] aSessionDownload
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* The session download, required if aHistoryDownload is not set.
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* @param [optional] aHistoryDownload
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* The history download, required if aSessionDownload is not set.
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*/
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function HistoryDownloadElementShell(aSessionDownload, aHistoryDownload) {
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this.element = document.createElement("richlistitem");
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this.element._shell = this;
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this.element.classList.add("download");
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this.element.classList.add("download-state");
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if (aSessionDownload) {
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this.sessionDownload = aSessionDownload;
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}
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if (aHistoryDownload) {
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this.historyDownload = aHistoryDownload;
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}
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}
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HistoryDownloadElementShell.prototype = {
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__proto__: DownloadsViewUI.DownloadElementShell.prototype,
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/**
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* Manages the "active" state of the shell. By default all the shells without
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* a session download are inactive, thus their UI is not updated. They must
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* be activated when entering the visible area. Session downloads are always
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* active.
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*/
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ensureActive() {
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if (!this._active) {
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this._active = true;
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this.element.setAttribute("active", true);
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this._updateUI();
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}
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},
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get active() {
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return !!this._active;
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},
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/**
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* Overrides the base getter to return the Download or HistoryDownload object
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* for displaying information and executing commands in the user interface.
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*/
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get download() {
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return this._sessionDownload || this._historyDownload;
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},
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_sessionDownload: null,
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get sessionDownload() {
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return this._sessionDownload;
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},
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set sessionDownload(aValue) {
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if (this._sessionDownload != aValue) {
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if (!aValue && !this._historyDownload) {
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throw new Error("Should always have either a Download or a HistoryDownload");
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}
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this._sessionDownload = aValue;
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this.ensureActive();
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this._updateUI();
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}
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return aValue;
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},
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_historyDownload: null,
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get historyDownload() {
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return this._historyDownload;
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},
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set historyDownload(aValue) {
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if (this._historyDownload != aValue) {
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if (!aValue && !this._sessionDownload) {
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throw new Error("Should always have either a Download or a HistoryDownload");
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}
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this._historyDownload = aValue;
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// We don't need to update the UI if we had a session data item, because
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// the places information isn't used in this case.
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if (!this._sessionDownload) {
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this._updateUI();
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}
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}
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return aValue;
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},
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_updateUI() {
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// There is nothing to do if the item has always been invisible.
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if (!this.active) {
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return;
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}
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// Since the state changed, we may need to check the target file again.
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this._targetFileChecked = false;
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this._updateState();
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},
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get statusTextAndTip() {
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let status = this.rawStatusTextAndTip;
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// The base object would show extended progress information in the tooltip,
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// but we move this to the main view and never display a tooltip.
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if (!this.download.stopped) {
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status.text = status.tip;
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}
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status.tip = "";
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return status;
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},
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onStateChanged() {
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this._updateState();
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if (this.element.selected) {
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goUpdateDownloadCommands();
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} else {
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// If a state change occurs in an item that is not currently selected,
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// this is the only command that may be affected.
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goUpdateCommand("downloadsCmd_clearDownloads");
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}
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},
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onChanged() {
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// This cannot be placed within onStateChanged because
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// when a download goes from hasBlockedData to !hasBlockedData
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// it will still remain in the same state.
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this.element.classList.toggle("temporary-block",
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!!this.download.hasBlockedData);
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this._updateProgress();
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},
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isCommandEnabled(aCommand) {
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// The only valid command for inactive elements is cmd_delete.
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if (!this.active && aCommand != "cmd_delete") {
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return false;
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}
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switch (aCommand) {
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case "downloadsCmd_open":
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// This property is false if the download did not succeed.
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return this.download.target.exists;
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case "downloadsCmd_show":
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// TODO: Bug 827010 - Handle part-file asynchronously.
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if (this._sessionDownload && this.download.target.partFilePath) {
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let partFile = new FileUtils.File(this.download.target.partFilePath);
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if (partFile.exists()) {
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return true;
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}
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}
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// This property is false if the download did not succeed.
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return this.download.target.exists;
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case "cmd_delete":
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// We don't want in-progress downloads to be removed accidentally.
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return this.download.stopped;
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case "downloadsCmd_cancel":
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return !!this._sessionDownload;
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}
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return DownloadsViewUI.DownloadElementShell.prototype
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.isCommandEnabled.call(this, aCommand);
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},
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doCommand(aCommand) {
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if (DownloadsViewUI.isCommandName(aCommand)) {
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this[aCommand]();
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}
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},
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downloadsCmd_open() {
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let file = new FileUtils.File(this.download.target.path);
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DownloadsCommon.openDownloadedFile(file, null, window);
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},
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downloadsCmd_show() {
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let file = new FileUtils.File(this.download.target.path);
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DownloadsCommon.showDownloadedFile(file);
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},
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downloadsCmd_openReferrer() {
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openURL(this.download.source.referrer);
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},
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cmd_delete() {
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if (this._sessionDownload) {
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DownloadsCommon.removeAndFinalizeDownload(this.download);
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}
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if (this._historyDownload) {
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let uri = NetUtil.newURI(this.download.source.url);
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PlacesUtils.bhistory.removePage(uri);
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}
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},
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downloadsCmd_unblock() {
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this.confirmUnblock(window, "unblock");
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},
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downloadsCmd_chooseUnblock() {
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this.confirmUnblock(window, "chooseUnblock");
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},
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downloadsCmd_chooseOpen() {
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this.confirmUnblock(window, "chooseOpen");
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},
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// Returns whether or not the download handled by this shell should
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// show up in the search results for the given term. Both the display
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// name for the download and the url are searched.
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matchesSearchTerm(aTerm) {
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if (!aTerm) {
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return true;
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}
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aTerm = aTerm.toLowerCase();
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return this.displayName.toLowerCase().includes(aTerm) ||
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this.download.source.url.toLowerCase().includes(aTerm);
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},
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// Handles return keypress on the element (the keypress listener is
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// set in the DownloadsPlacesView object).
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doDefaultCommand() {
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let command = this.currentDefaultCommandName;
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if (command && this.isCommandEnabled(command)) {
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this.doCommand(command);
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}
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},
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/**
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* This method is called by the outer download view, after the controller
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* commands have already been updated. In case we did not check for the
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* existence of the target file already, we can do it now and then update
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* the commands as needed.
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*/
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onSelect() {
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if (!this.active) {
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return;
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}
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// If this is a history download for which no target file information is
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// available, we cannot retrieve information about the target file.
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if (!this.download.target.path) {
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return;
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}
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// Start checking for existence. This may be done twice if onSelect is
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// called again before the information is collected.
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if (!this._targetFileChecked) {
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this._checkTargetFileOnSelect().catch(Cu.reportError);
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}
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},
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_checkTargetFileOnSelect: Task.async(function* () {
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try {
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yield this.download.refresh();
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} finally {
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// Do not try to check for existence again if this failed once.
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this._targetFileChecked = true;
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}
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// Update the commands only if the element is still selected.
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if (this.element.selected) {
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goUpdateDownloadCommands();
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}
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// Ensure the interface has been updated based on the new values. We need to
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// do this because history downloads can't trigger update notifications.
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this._updateProgress();
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}),
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};
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/**
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* Relays commands from the download.xml binding to the selected items.
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*/
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const DownloadsView = {
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onDownloadCommand(event, command) {
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goDoCommand(command);
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},
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onDownloadClick() {},
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};
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/**
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* A Downloads Places View is a places view designed to show a places query
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* for history downloads alongside the session downloads.
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*
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* As we don't use the places controller, some methods implemented by other
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* places views are not implemented by this view.
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*
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* A richlistitem in this view can represent either a past download or a session
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* download, or both. Session downloads are shown first in the view, and as long
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* as they exist they "collapses" their history "counterpart" (So we don't show two
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* items for every download).
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*/
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function DownloadsPlacesView(aRichListBox, aActive = true) {
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this._richlistbox = aRichListBox;
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this._richlistbox._placesView = this;
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window.controllers.insertControllerAt(0, this);
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// Map download URLs to download element shells regardless of their type
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this._downloadElementsShellsForURI = new Map();
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// Map download data items to their element shells.
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this._viewItemsForDownloads = new WeakMap();
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// Points to the last session download element. We keep track of this
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// in order to keep all session downloads above past downloads.
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this._lastSessionDownloadElement = null;
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this._searchTerm = "";
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this._active = aActive;
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// Register as a downloads view. The places data will be initialized by
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// the places setter.
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this._initiallySelectedElement = null;
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this._downloadsData = DownloadsCommon.getData(window.opener || window);
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this._downloadsData.addView(this);
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// Get the Download button out of the attention state since we're about to
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// view all downloads.
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DownloadsCommon.getIndicatorData(window).attention = DownloadsCommon.ATTENTION_NONE;
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// Make sure to unregister the view if the window is closed.
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window.addEventListener("unload", () => {
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window.controllers.removeController(this);
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this._downloadsData.removeView(this);
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this.result = null;
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}, true);
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// Resizing the window may change items visibility.
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window.addEventListener("resize", () => {
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this._ensureVisibleElementsAreActive();
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}, true);
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}
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DownloadsPlacesView.prototype = {
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get associatedElement() {
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return this._richlistbox;
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},
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get active() {
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|
return this._active;
|
|
},
|
|
set active(val) {
|
|
this._active = val;
|
|
if (this._active)
|
|
this._ensureVisibleElementsAreActive();
|
|
return this._active;
|
|
},
|
|
|
|
/**
|
|
* This cache exists in order to optimize the load of the Downloads View, when
|
|
* Places annotations for history downloads must be read. In fact, annotations
|
|
* are stored in a single table, and reading all of them at once is much more
|
|
* efficient than an individual query.
|
|
*
|
|
* When this property is first requested, it reads the annotations for all the
|
|
* history downloads and stores them indefinitely.
|
|
*
|
|
* The historical annotations are not expected to change for the duration of
|
|
* the session, except in the case where a session download is running for the
|
|
* same URI as a history download. To ensure we don't use stale data, URIs
|
|
* corresponding to session downloads are permanently removed from the cache.
|
|
* This is a very small mumber compared to history downloads.
|
|
*
|
|
* This property returns a Map from each download source URI found in Places
|
|
* annotations to an object with the format:
|
|
*
|
|
* { targetFileSpec, state, endTime, fileSize, ... }
|
|
*
|
|
* The targetFileSpec property is the value of "downloads/destinationFileURI",
|
|
* while the other properties are taken from "downloads/metaData". Any of the
|
|
* properties may be missing from the object.
|
|
*/
|
|
get _cachedPlacesMetaData() {
|
|
if (!this.__cachedPlacesMetaData) {
|
|
this.__cachedPlacesMetaData = new Map();
|
|
|
|
// Read the metadata annotations first, but ignore invalid JSON.
|
|
for (let result of PlacesUtils.annotations.getAnnotationsWithName(
|
|
DOWNLOAD_META_DATA_ANNO)) {
|
|
try {
|
|
this.__cachedPlacesMetaData.set(result.uri.spec,
|
|
JSON.parse(result.annotationValue));
|
|
} catch (ex) {}
|
|
}
|
|
|
|
// Add the target file annotations to the metadata.
|
|
for (let result of PlacesUtils.annotations.getAnnotationsWithName(
|
|
DESTINATION_FILE_URI_ANNO)) {
|
|
let metaData = this.__cachedPlacesMetaData.get(result.uri.spec);
|
|
if (!metaData) {
|
|
metaData = {};
|
|
this.__cachedPlacesMetaData.set(result.uri.spec, metaData);
|
|
}
|
|
metaData.targetFileSpec = result.annotationValue;
|
|
}
|
|
}
|
|
|
|
return this.__cachedPlacesMetaData;
|
|
},
|
|
__cachedPlacesMetaData: null,
|
|
|
|
/**
|
|
* Reads current metadata from Places annotations for the specified URI, and
|
|
* returns an object with the format:
|
|
*
|
|
* { targetFileSpec, state, endTime, fileSize, ... }
|
|
*
|
|
* The targetFileSpec property is the value of "downloads/destinationFileURI",
|
|
* while the other properties are taken from "downloads/metaData". Any of the
|
|
* properties may be missing from the object.
|
|
*/
|
|
_getPlacesMetaDataFor(spec) {
|
|
let metaData = {};
|
|
|
|
try {
|
|
let uri = NetUtil.newURI(spec);
|
|
try {
|
|
metaData = JSON.parse(PlacesUtils.annotations.getPageAnnotation(
|
|
uri, DOWNLOAD_META_DATA_ANNO));
|
|
} catch (ex) {}
|
|
metaData.targetFileSpec = PlacesUtils.annotations.getPageAnnotation(
|
|
uri, DESTINATION_FILE_URI_ANNO);
|
|
} catch (ex) {}
|
|
|
|
return metaData;
|
|
},
|
|
|
|
/**
|
|
* Given a data item for a session download, or a places node for a past
|
|
* download, updates the view as necessary.
|
|
* 1. If the given data is a places node, we check whether there are any
|
|
* elements for the same download url. If there are, then we just reset
|
|
* their places node. Otherwise we add a new download element.
|
|
* 2. If the given data is a data item, we first check if there's a history
|
|
* download in the list that is not associated with a data item. If we
|
|
* found one, we use it for the data item as well and reposition it
|
|
* alongside the other session downloads. If we don't, then we go ahead
|
|
* and create a new element for the download.
|
|
*
|
|
* @param [optional] sessionDownload
|
|
* A Download object, or null for history downloads.
|
|
* @param [optional] aPlacesNode
|
|
* The Places node for a history download, or null for session downloads.
|
|
* @param [optional] aNewest
|
|
* @see onDownloadAdded. Ignored for history downloads.
|
|
* @param [optional] aDocumentFragment
|
|
* To speed up the appending of multiple elements to the end of the
|
|
* list which are coming in a single batch (i.e. invalidateContainer),
|
|
* a document fragment may be passed to which the new elements would
|
|
* be appended. It's the caller's job to ensure the fragment is merged
|
|
* to the richlistbox at the end.
|
|
*/
|
|
_addDownloadData(sessionDownload, aPlacesNode, aNewest = false,
|
|
aDocumentFragment = null) {
|
|
let downloadURI = aPlacesNode ? aPlacesNode.uri
|
|
: sessionDownload.source.url;
|
|
let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI);
|
|
if (!shellsForURI) {
|
|
shellsForURI = new Set();
|
|
this._downloadElementsShellsForURI.set(downloadURI, shellsForURI);
|
|
}
|
|
|
|
// When a session download is attached to a shell, we ensure not to keep
|
|
// stale metadata around for the corresponding history download. This
|
|
// prevents stale state from being used if the view is rebuilt.
|
|
//
|
|
// Note that we will eagerly load the data in the cache at this point, even
|
|
// if we have seen no history download. The case where no history download
|
|
// will appear at all is rare enough in normal usage, so we can apply this
|
|
// simpler solution rather than keeping a list of cache items to ignore.
|
|
if (sessionDownload) {
|
|
this._cachedPlacesMetaData.delete(sessionDownload.source.url);
|
|
}
|
|
|
|
let newOrUpdatedShell = null;
|
|
|
|
// Trivial: if there are no shells for this download URI, we always
|
|
// need to create one.
|
|
let shouldCreateShell = shellsForURI.size == 0;
|
|
|
|
// However, if we do have shells for this download uri, there are
|
|
// few options:
|
|
// 1) There's only one shell and it's for a history download (it has
|
|
// no data item). In this case, we update this shell and move it
|
|
// if necessary
|
|
// 2) There are multiple shells, indicating multiple downloads for
|
|
// the same download uri are running. In this case we create
|
|
// another shell for the download (so we have one shell for each data
|
|
// item).
|
|
//
|
|
// Note: If a cancelled session download is already in the list, and the
|
|
// download is retried, onDownloadAdded is called again for the same
|
|
// data item. Thus, we also check that we make sure we don't have a view item
|
|
// already.
|
|
if (!shouldCreateShell &&
|
|
sessionDownload && !this._viewItemsForDownloads.has(sessionDownload)) {
|
|
// If there's a past-download-only shell for this download-uri with no
|
|
// associated data item, use it for the new data item. Otherwise, go ahead
|
|
// and create another shell.
|
|
shouldCreateShell = true;
|
|
for (let shell of shellsForURI) {
|
|
if (!shell.sessionDownload) {
|
|
shouldCreateShell = false;
|
|
shell.sessionDownload = sessionDownload;
|
|
newOrUpdatedShell = shell;
|
|
this._viewItemsForDownloads.set(sessionDownload, shell);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (shouldCreateShell) {
|
|
// If we are adding a new history download here, it means there is no
|
|
// associated session download, thus we must read the Places metadata,
|
|
// because it will not be obscured by the session download.
|
|
let historyDownload = null;
|
|
if (aPlacesNode) {
|
|
let metaData = this._cachedPlacesMetaData.get(aPlacesNode.uri) ||
|
|
this._getPlacesMetaDataFor(aPlacesNode.uri);
|
|
historyDownload = new HistoryDownload(aPlacesNode);
|
|
historyDownload.updateFromMetaData(metaData);
|
|
}
|
|
let shell = new HistoryDownloadElementShell(sessionDownload,
|
|
historyDownload);
|
|
shell.element._placesNode = aPlacesNode;
|
|
newOrUpdatedShell = shell;
|
|
shellsForURI.add(shell);
|
|
if (sessionDownload) {
|
|
this._viewItemsForDownloads.set(sessionDownload, shell);
|
|
}
|
|
} else if (aPlacesNode) {
|
|
// We are updating information for a history download for which we have
|
|
// at least one download element shell already. There are two cases:
|
|
// 1) There are one or more download element shells for this source URI,
|
|
// each with an associated session download. We update the Places node
|
|
// because we may need it later, but we don't need to read the Places
|
|
// metadata until the last session download is removed.
|
|
// 2) Occasionally, we may receive a duplicate notification for a history
|
|
// download with no associated session download. We have exactly one
|
|
// download element shell in this case, but the metdata cannot have
|
|
// changed, just the reference to the Places node object is different.
|
|
// So, we update all the node references and keep the metadata intact.
|
|
for (let shell of shellsForURI) {
|
|
if (!shell.historyDownload) {
|
|
// Create the element to host the metadata when needed.
|
|
shell.historyDownload = new HistoryDownload(aPlacesNode);
|
|
}
|
|
shell.element._placesNode = aPlacesNode;
|
|
}
|
|
}
|
|
|
|
if (newOrUpdatedShell) {
|
|
if (aNewest) {
|
|
this._richlistbox.insertBefore(newOrUpdatedShell.element,
|
|
this._richlistbox.firstChild);
|
|
if (!this._lastSessionDownloadElement) {
|
|
this._lastSessionDownloadElement = newOrUpdatedShell.element;
|
|
}
|
|
// Some operations like retrying an history download move an element to
|
|
// the top of the richlistbox, along with other session downloads.
|
|
// More generally, if a new download is added, should be made visible.
|
|
this._richlistbox.ensureElementIsVisible(newOrUpdatedShell.element);
|
|
} else if (sessionDownload) {
|
|
let before = this._lastSessionDownloadElement ?
|
|
this._lastSessionDownloadElement.nextSibling : this._richlistbox.firstChild;
|
|
this._richlistbox.insertBefore(newOrUpdatedShell.element, before);
|
|
this._lastSessionDownloadElement = newOrUpdatedShell.element;
|
|
} else {
|
|
let appendTo = aDocumentFragment || this._richlistbox;
|
|
appendTo.appendChild(newOrUpdatedShell.element);
|
|
}
|
|
|
|
if (this.searchTerm) {
|
|
newOrUpdatedShell.element.hidden =
|
|
!newOrUpdatedShell.element._shell.matchesSearchTerm(this.searchTerm);
|
|
}
|
|
}
|
|
|
|
// If aDocumentFragment is defined this is a batch change, so it's up to
|
|
// the caller to append the fragment and activate the visible shells.
|
|
if (!aDocumentFragment) {
|
|
this._ensureVisibleElementsAreActive();
|
|
goUpdateCommand("downloadsCmd_clearDownloads");
|
|
}
|
|
},
|
|
|
|
_removeElement(aElement) {
|
|
// If the element was selected exclusively, select its next
|
|
// sibling first, if not, try for previous sibling, if any.
|
|
if ((aElement.nextSibling || aElement.previousSibling) &&
|
|
this._richlistbox.selectedItems &&
|
|
this._richlistbox.selectedItems.length == 1 &&
|
|
this._richlistbox.selectedItems[0] == aElement) {
|
|
this._richlistbox.selectItem(aElement.nextSibling ||
|
|
aElement.previousSibling);
|
|
}
|
|
|
|
if (this._lastSessionDownloadElement == aElement) {
|
|
this._lastSessionDownloadElement = aElement.previousSibling;
|
|
}
|
|
|
|
this._richlistbox.removeItemFromSelection(aElement);
|
|
this._richlistbox.removeChild(aElement);
|
|
this._ensureVisibleElementsAreActive();
|
|
goUpdateCommand("downloadsCmd_clearDownloads");
|
|
},
|
|
|
|
_removeHistoryDownloadFromView(aPlacesNode) {
|
|
let downloadURI = aPlacesNode.uri;
|
|
let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI);
|
|
if (shellsForURI) {
|
|
for (let shell of shellsForURI) {
|
|
if (shell.sessionDownload) {
|
|
shell.historyDownload = null;
|
|
} else {
|
|
this._removeElement(shell.element);
|
|
shellsForURI.delete(shell);
|
|
if (shellsForURI.size == 0)
|
|
this._downloadElementsShellsForURI.delete(downloadURI);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
_removeSessionDownloadFromView(download) {
|
|
let shells = this._downloadElementsShellsForURI
|
|
.get(download.source.url);
|
|
if (shells.size == 0) {
|
|
throw new Error("Should have had at leaat one shell for this uri");
|
|
}
|
|
|
|
let shell = this._viewItemsForDownloads.get(download);
|
|
if (!shells.has(shell)) {
|
|
throw new Error("Missing download element shell in shells list for url");
|
|
}
|
|
|
|
// If there's more than one item for this download uri, we can let the
|
|
// view item for this this particular data item go away.
|
|
// If there's only one item for this download uri, we should only
|
|
// keep it if it is associated with a history download.
|
|
if (shells.size > 1 || !shell.historyDownload) {
|
|
this._removeElement(shell.element);
|
|
shells.delete(shell);
|
|
if (shells.size == 0) {
|
|
this._downloadElementsShellsForURI.delete(download.source.url);
|
|
}
|
|
} else {
|
|
// We have one download element shell containing both a session download
|
|
// and a history download, and we are now removing the session download.
|
|
// Previously, we did not use the Places metadata because it was obscured
|
|
// by the session download. Since this is no longer the case, we have to
|
|
// read the latest metadata before removing the session download.
|
|
let url = shell.historyDownload.source.url;
|
|
let metaData = this._getPlacesMetaDataFor(url);
|
|
shell.historyDownload.updateFromMetaData(metaData);
|
|
shell.sessionDownload = null;
|
|
// Move it below the session-download items;
|
|
if (this._lastSessionDownloadElement == shell.element) {
|
|
this._lastSessionDownloadElement = shell.element.previousSibling;
|
|
} else {
|
|
let before = this._lastSessionDownloadElement ?
|
|
this._lastSessionDownloadElement.nextSibling : this._richlistbox.firstChild;
|
|
this._richlistbox.insertBefore(shell.element, before);
|
|
}
|
|
}
|
|
},
|
|
|
|
_ensureVisibleElementsAreActive() {
|
|
if (!this.active || this._ensureVisibleTimer ||
|
|
!this._richlistbox.firstChild) {
|
|
return;
|
|
}
|
|
|
|
this._ensureVisibleTimer = setTimeout(() => {
|
|
delete this._ensureVisibleTimer;
|
|
if (!this._richlistbox.firstChild) {
|
|
return;
|
|
}
|
|
|
|
let rlbRect = this._richlistbox.getBoundingClientRect();
|
|
let winUtils = window.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let nodes = winUtils.nodesFromRect(rlbRect.left, rlbRect.top,
|
|
0, rlbRect.width, rlbRect.height, 0,
|
|
true, false);
|
|
// nodesFromRect returns nodes in z-index order, and for the same z-index
|
|
// sorts them in inverted DOM order, thus starting from the one that would
|
|
// be on top.
|
|
let firstVisibleNode, lastVisibleNode;
|
|
for (let node of nodes) {
|
|
if (node.localName === "richlistitem" && node._shell) {
|
|
node._shell.ensureActive();
|
|
// The first visible node is the last match.
|
|
firstVisibleNode = node;
|
|
// While the last visible node is the first match.
|
|
if (!lastVisibleNode) {
|
|
lastVisibleNode = node;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Also activate the first invisible nodes in both boundaries (that is,
|
|
// above and below the visible area) to ensure proper keyboard navigation
|
|
// in both directions.
|
|
let nodeBelowVisibleArea = lastVisibleNode && lastVisibleNode.nextSibling;
|
|
if (nodeBelowVisibleArea && nodeBelowVisibleArea._shell) {
|
|
nodeBelowVisibleArea._shell.ensureActive();
|
|
}
|
|
|
|
let nodeAboveVisibleArea = firstVisibleNode &&
|
|
firstVisibleNode.previousSibling;
|
|
if (nodeAboveVisibleArea && nodeAboveVisibleArea._shell) {
|
|
nodeAboveVisibleArea._shell.ensureActive();
|
|
}
|
|
}, 10);
|
|
},
|
|
|
|
_place: "",
|
|
get place() {
|
|
return this._place;
|
|
},
|
|
set place(val) {
|
|
// Don't reload everything if we don't have to.
|
|
if (this._place == val) {
|
|
// XXXmano: places.js relies on this behavior (see Bug 822203).
|
|
this.searchTerm = "";
|
|
return val;
|
|
}
|
|
|
|
this._place = val;
|
|
|
|
let history = PlacesUtils.history;
|
|
let queries = { }, options = { };
|
|
history.queryStringToQueries(val, queries, { }, options);
|
|
if (!queries.value.length) {
|
|
queries.value = [history.getNewQuery()];
|
|
}
|
|
|
|
let result = history.executeQueries(queries.value, queries.value.length,
|
|
options.value);
|
|
result.addObserver(this, false);
|
|
return val;
|
|
},
|
|
|
|
_result: null,
|
|
get result() {
|
|
return this._result;
|
|
},
|
|
set result(val) {
|
|
if (this._result == val) {
|
|
return val;
|
|
}
|
|
|
|
if (this._result) {
|
|
this._result.removeObserver(this);
|
|
this._resultNode.containerOpen = false;
|
|
}
|
|
|
|
if (val) {
|
|
this._result = val;
|
|
this._resultNode = val.root;
|
|
this._resultNode.containerOpen = true;
|
|
this._ensureInitialSelection();
|
|
} else {
|
|
delete this._resultNode;
|
|
delete this._result;
|
|
}
|
|
|
|
return val;
|
|
},
|
|
|
|
get selectedNodes() {
|
|
return [for (element of this._richlistbox.selectedItems)
|
|
if (element._placesNode)
|
|
element._placesNode];
|
|
},
|
|
|
|
get selectedNode() {
|
|
let selectedNodes = this.selectedNodes;
|
|
return selectedNodes.length == 1 ? selectedNodes[0] : null;
|
|
},
|
|
|
|
get hasSelection() {
|
|
return this.selectedNodes.length > 0;
|
|
},
|
|
|
|
containerStateChanged(aNode, aOldState, aNewState) {
|
|
this.invalidateContainer(aNode)
|
|
},
|
|
|
|
invalidateContainer(aContainer) {
|
|
if (aContainer != this._resultNode) {
|
|
throw new Error("Unexpected container node");
|
|
}
|
|
if (!aContainer.containerOpen) {
|
|
throw new Error("Root container for the downloads query cannot be closed");
|
|
}
|
|
|
|
let suppressOnSelect = this._richlistbox.suppressOnSelect;
|
|
this._richlistbox.suppressOnSelect = true;
|
|
try {
|
|
// Remove the invalidated history downloads from the list and unset the
|
|
// places node for data downloads.
|
|
// Loop backwards since _removeHistoryDownloadFromView may removeChild().
|
|
for (let i = this._richlistbox.childNodes.length - 1; i >= 0; --i) {
|
|
let element = this._richlistbox.childNodes[i];
|
|
if (element._placesNode) {
|
|
this._removeHistoryDownloadFromView(element._placesNode);
|
|
}
|
|
}
|
|
} finally {
|
|
this._richlistbox.suppressOnSelect = suppressOnSelect;
|
|
}
|
|
|
|
if (aContainer.childCount > 0) {
|
|
let elementsToAppendFragment = document.createDocumentFragment();
|
|
for (let i = 0; i < aContainer.childCount; i++) {
|
|
try {
|
|
this._addDownloadData(null, aContainer.getChild(i), false,
|
|
elementsToAppendFragment);
|
|
} catch (ex) {
|
|
Cu.reportError(ex);
|
|
}
|
|
}
|
|
|
|
// _addDownloadData may not add new elements if there were already
|
|
// data items in place.
|
|
if (elementsToAppendFragment.firstChild) {
|
|
this._appendDownloadsFragment(elementsToAppendFragment);
|
|
this._ensureVisibleElementsAreActive();
|
|
}
|
|
}
|
|
|
|
goUpdateDownloadCommands();
|
|
},
|
|
|
|
_appendDownloadsFragment(aDOMFragment) {
|
|
// Workaround multiple reflows hang by removing the richlistbox
|
|
// and adding it back when we're done.
|
|
|
|
// Hack for bug 836283: reset xbl fields to their old values after the
|
|
// binding is reattached to avoid breaking the selection state
|
|
let xblFields = new Map();
|
|
for (let key of Object.getOwnPropertyNames(this._richlistbox)) {
|
|
let value = this._richlistbox[key];
|
|
xblFields.set(key, value);
|
|
}
|
|
|
|
let parentNode = this._richlistbox.parentNode;
|
|
let nextSibling = this._richlistbox.nextSibling;
|
|
parentNode.removeChild(this._richlistbox);
|
|
this._richlistbox.appendChild(aDOMFragment);
|
|
parentNode.insertBefore(this._richlistbox, nextSibling);
|
|
|
|
for (let [key, value] of xblFields) {
|
|
this._richlistbox[key] = value;
|
|
}
|
|
},
|
|
|
|
nodeInserted(aParent, aPlacesNode) {
|
|
this._addDownloadData(null, aPlacesNode);
|
|
},
|
|
|
|
nodeRemoved(aParent, aPlacesNode, aOldIndex) {
|
|
this._removeHistoryDownloadFromView(aPlacesNode);
|
|
},
|
|
|
|
nodeAnnotationChanged() {},
|
|
nodeIconChanged() {},
|
|
nodeTitleChanged() {},
|
|
nodeKeywordChanged() {},
|
|
nodeDateAddedChanged() {},
|
|
nodeLastModifiedChanged() {},
|
|
nodeHistoryDetailsChanged() {},
|
|
nodeTagsChanged() {},
|
|
sortingChanged() {},
|
|
nodeMoved() {},
|
|
nodeURIChanged() {},
|
|
batching() {},
|
|
|
|
get controller() {
|
|
return this._richlistbox.controller;
|
|
},
|
|
|
|
get searchTerm() {
|
|
return this._searchTerm;
|
|
},
|
|
set searchTerm(aValue) {
|
|
if (this._searchTerm != aValue) {
|
|
for (let element of this._richlistbox.childNodes) {
|
|
element.hidden = !element._shell.matchesSearchTerm(aValue);
|
|
}
|
|
this._ensureVisibleElementsAreActive();
|
|
}
|
|
return this._searchTerm = aValue;
|
|
},
|
|
|
|
/**
|
|
* When the view loads, we want to select the first item.
|
|
* However, because session downloads, for which the data is loaded
|
|
* asynchronously, always come first in the list, and because the list
|
|
* may (or may not) already contain history downloads at that point, it
|
|
* turns out that by the time we can select the first item, the user may
|
|
* have already started using the view.
|
|
* To make things even more complicated, in other cases, the places data
|
|
* may be loaded after the session downloads data. Thus we cannot rely on
|
|
* the order in which the data comes in.
|
|
* We work around this by attempting to select the first element twice,
|
|
* once after the places data is loaded and once when the session downloads
|
|
* data is done loading. However, if the selection has changed in-between,
|
|
* we assume the user has already started using the view and give up.
|
|
*/
|
|
_ensureInitialSelection() {
|
|
// Either they're both null, or the selection has not changed in between.
|
|
if (this._richlistbox.selectedItem == this._initiallySelectedElement) {
|
|
let firstDownloadElement = this._richlistbox.firstChild;
|
|
if (firstDownloadElement != this._initiallySelectedElement) {
|
|
// We may be called before _ensureVisibleElementsAreActive,
|
|
// or before the download binding is attached. Therefore, ensure the
|
|
// first item is activated, and pass the item to the richlistbox
|
|
// setters only at a point we know for sure the binding is attached.
|
|
firstDownloadElement._shell.ensureActive();
|
|
Services.tm.mainThread.dispatch(() => {
|
|
this._richlistbox.selectedItem = firstDownloadElement;
|
|
this._richlistbox.currentItem = firstDownloadElement;
|
|
this._initiallySelectedElement = firstDownloadElement;
|
|
}, Ci.nsIThread.DISPATCH_NORMAL);
|
|
}
|
|
}
|
|
},
|
|
|
|
onDataLoadStarting() {},
|
|
onDataLoadCompleted() {
|
|
this._ensureInitialSelection();
|
|
},
|
|
|
|
onDownloadAdded(download, newest) {
|
|
this._addDownloadData(download, null, newest);
|
|
},
|
|
|
|
onDownloadStateChanged(download) {
|
|
this._viewItemsForDownloads.get(download).onStateChanged();
|
|
},
|
|
|
|
onDownloadChanged(download) {
|
|
this._viewItemsForDownloads.get(download).onChanged();
|
|
},
|
|
|
|
onDownloadRemoved(download) {
|
|
this._removeSessionDownloadFromView(download);
|
|
},
|
|
|
|
// nsIController
|
|
supportsCommand(aCommand) {
|
|
// Firstly, determine if this is a command that we can handle.
|
|
if (!DownloadsViewUI.isCommandName(aCommand)) {
|
|
return false;
|
|
}
|
|
if (!(aCommand in this) &&
|
|
!(aCommand in HistoryDownloadElementShell.prototype)) {
|
|
return false;
|
|
}
|
|
// If this function returns true, other controllers won't get a chance to
|
|
// process the command even if isCommandEnabled returns false, so it's
|
|
// important to check if the list is focused here to handle common commands
|
|
// like copy and paste correctly. The clear downloads command, instead, is
|
|
// specific to the downloads list but can be invoked from the toolbar, so we
|
|
// can just return true unconditionally.
|
|
return aCommand == "downloadsCmd_clearDownloads" ||
|
|
document.activeElement == this._richlistbox;
|
|
},
|
|
|
|
// nsIController
|
|
isCommandEnabled(aCommand) {
|
|
switch (aCommand) {
|
|
case "cmd_copy":
|
|
return this._richlistbox.selectedItems.length > 0;
|
|
case "cmd_selectAll":
|
|
return true;
|
|
case "cmd_paste":
|
|
return this._canDownloadClipboardURL();
|
|
case "downloadsCmd_clearDownloads":
|
|
return this._canClearDownloads();
|
|
default:
|
|
return Array.every(this._richlistbox.selectedItems,
|
|
element => element._shell.isCommandEnabled(aCommand));
|
|
}
|
|
},
|
|
|
|
_canClearDownloads() {
|
|
// Downloads can be cleared if there's at least one removable download in
|
|
// the list (either a history download or a completed session download).
|
|
// Because history downloads are always removable and are listed after the
|
|
// session downloads, check from bottom to top.
|
|
for (let elt = this._richlistbox.lastChild; elt; elt = elt.previousSibling) {
|
|
// Stopped, paused, and failed downloads with partial data are removed.
|
|
let download = elt._shell.download;
|
|
if (download.stopped && !(download.canceled && download.hasPartialData)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
_copySelectedDownloadsToClipboard() {
|
|
let urls = [for (element of this._richlistbox.selectedItems)
|
|
element._shell.download.source.url];
|
|
|
|
Cc["@mozilla.org/widget/clipboardhelper;1"]
|
|
.getService(Ci.nsIClipboardHelper)
|
|
.copyString(urls.join("\n"));
|
|
},
|
|
|
|
_getURLFromClipboardData() {
|
|
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 [NetUtil.newURI(url, null, null).spec, name];
|
|
}
|
|
} catch (ex) {}
|
|
|
|
return ["", ""];
|
|
},
|
|
|
|
_canDownloadClipboardURL() {
|
|
let [url, name] = this._getURLFromClipboardData();
|
|
return url != "";
|
|
},
|
|
|
|
_downloadURLFromClipboard() {
|
|
let [url, name] = this._getURLFromClipboardData();
|
|
let browserWin = RecentWindow.getMostRecentBrowserWindow();
|
|
let initiatingDoc = browserWin ? browserWin.document : document;
|
|
DownloadURL(url, name, initiatingDoc);
|
|
},
|
|
|
|
// nsIController
|
|
doCommand(aCommand) {
|
|
// Commands may be invoked with keyboard shortcuts even if disabled.
|
|
if (!this.isCommandEnabled(aCommand)) {
|
|
return;
|
|
}
|
|
|
|
// If this command is not selection-specific, execute it.
|
|
if (aCommand in this) {
|
|
this[aCommand]();
|
|
return;
|
|
}
|
|
|
|
// Cloning the nodelist into an array to get a frozen list of selected items.
|
|
// Otherwise, the selectedItems nodelist is live and doCommand may alter the
|
|
// selection while we are trying to do one particular action, like removing
|
|
// items from history.
|
|
let selectedElements = [...this._richlistbox.selectedItems];
|
|
for (let element of selectedElements) {
|
|
element._shell.doCommand(aCommand);
|
|
}
|
|
},
|
|
|
|
// nsIController
|
|
onEvent() {},
|
|
|
|
cmd_copy() {
|
|
this._copySelectedDownloadsToClipboard();
|
|
},
|
|
|
|
cmd_selectAll() {
|
|
this._richlistbox.selectAll();
|
|
},
|
|
|
|
cmd_paste() {
|
|
this._downloadURLFromClipboard();
|
|
},
|
|
|
|
downloadsCmd_clearDownloads() {
|
|
this._downloadsData.removeFinished();
|
|
if (this.result) {
|
|
Cc["@mozilla.org/browser/download-history;1"]
|
|
.getService(Ci.nsIDownloadHistory)
|
|
.removeAllDownloads();
|
|
}
|
|
// There may be no selection or focus change as a result
|
|
// of these change, and we want the command updated immediately.
|
|
goUpdateCommand("downloadsCmd_clearDownloads");
|
|
},
|
|
|
|
onContextMenu(aEvent) {
|
|
let element = this._richlistbox.selectedItem;
|
|
if (!element || !element._shell) {
|
|
return false;
|
|
}
|
|
|
|
// Set the state attribute so that only the appropriate items are displayed.
|
|
let contextMenu = document.getElementById("downloadsContextMenu");
|
|
let download = element._shell.download;
|
|
contextMenu.setAttribute("state",
|
|
DownloadsCommon.stateOfDownload(download));
|
|
contextMenu.setAttribute("exists", "true");
|
|
contextMenu.classList.toggle("temporary-block",
|
|
!!download.hasBlockedData);
|
|
|
|
if (!download.stopped) {
|
|
// The hasPartialData property of a download may change at any time after
|
|
// it has started, so ensure we update the related command now.
|
|
goUpdateCommand("downloadsCmd_pauseResume");
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
onKeyPress(aEvent) {
|
|
let selectedElements = this._richlistbox.selectedItems;
|
|
if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN) {
|
|
// In the content tree, opening bookmarks by pressing return is only
|
|
// supported when a single item is selected. To be consistent, do the
|
|
// same here.
|
|
if (selectedElements.length == 1) {
|
|
let element = selectedElements[0];
|
|
if (element._shell) {
|
|
element._shell.doDefaultCommand();
|
|
}
|
|
}
|
|
}
|
|
else if (aEvent.charCode == " ".charCodeAt(0)) {
|
|
// Pause/Resume every selected download
|
|
for (let element of selectedElements) {
|
|
if (element._shell.isCommandEnabled("downloadsCmd_pauseResume")) {
|
|
element._shell.doCommand("downloadsCmd_pauseResume");
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
onDoubleClick(aEvent) {
|
|
if (aEvent.button != 0) {
|
|
return;
|
|
}
|
|
|
|
let selectedElements = this._richlistbox.selectedItems;
|
|
if (selectedElements.length != 1) {
|
|
return;
|
|
}
|
|
|
|
let element = selectedElements[0];
|
|
if (element._shell) {
|
|
element._shell.doDefaultCommand();
|
|
}
|
|
},
|
|
|
|
onScroll() {
|
|
this._ensureVisibleElementsAreActive();
|
|
},
|
|
|
|
onSelect() {
|
|
goUpdateDownloadCommands();
|
|
|
|
let selectedElements = this._richlistbox.selectedItems;
|
|
for (let elt of selectedElements) {
|
|
if (elt._shell) {
|
|
elt._shell.onSelect();
|
|
}
|
|
}
|
|
},
|
|
|
|
onDragStart(aEvent) {
|
|
// TODO Bug 831358: Support d&d for multiple selection.
|
|
// For now, we just drag the first element.
|
|
let selectedItem = this._richlistbox.selectedItem;
|
|
if (!selectedItem) {
|
|
return;
|
|
}
|
|
|
|
let targetPath = selectedItem._shell.download.target.path;
|
|
if (!targetPath) {
|
|
return;
|
|
}
|
|
|
|
// We must check for existence synchronously because this is a DOM event.
|
|
let file = new FileUtils.File(targetPath);
|
|
if (!file.exists()) {
|
|
return;
|
|
}
|
|
|
|
let dt = aEvent.dataTransfer;
|
|
dt.mozSetDataAt("application/x-moz-file", file, 0);
|
|
let url = Services.io.newFileURI(file).spec;
|
|
dt.setData("text/uri-list", url);
|
|
dt.setData("text/plain", url);
|
|
dt.effectAllowed = "copyMove";
|
|
dt.addElement(selectedItem);
|
|
},
|
|
|
|
onDragOver(aEvent) {
|
|
let types = aEvent.dataTransfer.types;
|
|
if (types.includes("text/uri-list") ||
|
|
types.includes("text/x-moz-url") ||
|
|
types.includes("text/plain")) {
|
|
aEvent.preventDefault();
|
|
}
|
|
},
|
|
|
|
onDrop(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 links = Services.droppedLinkHandler.dropLinks(aEvent);
|
|
if (!links.length)
|
|
return;
|
|
let browserWin = RecentWindow.getMostRecentBrowserWindow();
|
|
let initiatingDoc = browserWin ? browserWin.document : document;
|
|
for (let link of links) {
|
|
if (link.url.startsWith("about:"))
|
|
continue;
|
|
DownloadURL(link.url, link.name, initiatingDoc);
|
|
}
|
|
},
|
|
};
|
|
|
|
for (let methodName of ["load", "applyFilter", "selectNode", "selectItems"]) {
|
|
DownloadsPlacesView.prototype[methodName] = function () {
|
|
throw new Error("|" + methodName +
|
|
"| is not implemented by the downloads view.");
|
|
}
|
|
}
|
|
|
|
function goUpdateDownloadCommands() {
|
|
function updateCommandsForObject(object) {
|
|
for (let name in object) {
|
|
if (DownloadsViewUI.isCommandName(name)) {
|
|
goUpdateCommand(name);
|
|
}
|
|
}
|
|
}
|
|
updateCommandsForObject(DownloadsPlacesView.prototype);
|
|
updateCommandsForObject(HistoryDownloadElementShell.prototype);
|
|
}
|