forked from mirrors/gecko-dev
9c2e7458ba
Most usage is a straight replacement but gtk needs extra changes as it transfers plain text in UTF8 natively and needs to be converted into UTF16, and Windows uses single-byte characters for RTF and CF_HTML formats so we preserve this. Differential Revision: https://phabricator.services.mozilla.com/D158587
952 lines
30 KiB
JavaScript
952 lines
30 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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/* eslint-env mozilla/browser-window */
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var { XPCOMUtils } = ChromeUtils.importESModule(
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"resource://gre/modules/XPCOMUtils.sys.mjs"
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);
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ChromeUtils.defineESModuleGetters(this, {
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Downloads: "resource://gre/modules/Downloads.sys.mjs",
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DownloadsCommon: "resource:///modules/DownloadsCommon.sys.mjs",
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DownloadsViewUI: "resource:///modules/DownloadsViewUI.sys.mjs",
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FileUtils: "resource://gre/modules/FileUtils.sys.mjs",
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PlacesUtils: "resource://gre/modules/PlacesUtils.sys.mjs",
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});
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XPCOMUtils.defineLazyModuleGetters(this, {
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BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.jsm",
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NetUtil: "resource://gre/modules/NetUtil.jsm",
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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, calling
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* the onChanged method.
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*
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* @param download
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* The Download object from the DownloadHistoryList.
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*/
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function HistoryDownloadElementShell(download) {
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this._download = download;
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this.element = document.createXULElement("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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}
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HistoryDownloadElementShell.prototype = {
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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._download;
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},
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onStateChanged() {
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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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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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// 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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let newState = DownloadsCommon.stateOfDownload(this.download);
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if (this._downloadState !== newState) {
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this._downloadState = newState;
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this.onStateChanged();
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} else {
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this._updateStateInner();
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}
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},
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_downloadState: null,
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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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return DownloadsViewUI.DownloadElementShell.prototype.isCommandEnabled.call(
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this,
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aCommand
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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_unblockAndSave() {
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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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let displayName = DownloadsViewUI.getDisplayName(this.download);
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return (
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displayName.toLowerCase().includes(aTerm) ||
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(this.download.source.originalUrl || this.download.source.url)
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.toLowerCase()
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.includes(aTerm)
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);
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},
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// Handles double-click and return keypress on the element (the keypress
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// listener is set in the DownloadsPlacesView object).
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doDefaultCommand(event) {
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let command = this.currentDefaultCommandName;
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if (
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command == "downloadsCmd_open" &&
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event &&
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(event.shiftKey || event.ctrlKey || event.metaKey || event.button == 1)
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) {
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// We adjust the command for supported modifiers to suggest where the download may
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// be opened.
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let browserWin = BrowserWindowTracker.getTopWindow();
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let openWhere = browserWin
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? browserWin.whereToOpenLink(event, false, true)
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: "window";
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if (["window", "tabshifted", "tab"].includes(openWhere)) {
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command += ":" + openWhere;
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}
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}
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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.download
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.refresh()
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.catch(console.error)
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.then(() => {
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// Do not try to check for existence again even if this failed.
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this._targetFileChecked = true;
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});
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}
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},
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};
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Object.setPrototypeOf(
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HistoryDownloadElementShell.prototype,
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DownloadsViewUI.DownloadElementShell.prototype
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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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var DownloadsView = {
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onDownloadButton(event) {
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event.target.closest("richlistitem")._shell.onButton();
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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(
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aRichListBox,
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aActive = true,
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aSuppressionFlag = DownloadsCommon.SUPPRESS_ALL_DOWNLOADS_OPEN
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) {
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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 downloads to their element shells.
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this._viewItemsForDownloads = new WeakMap();
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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, true);
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this._waitingForInitialData = true;
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this._downloadsData.addView(this);
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// Pause the download indicator as user is interacting with downloads. This is
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// skipped on about:downloads because it handles this by itself.
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if (aSuppressionFlag === DownloadsCommon.SUPPRESS_ALL_DOWNLOADS_OPEN) {
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DownloadsCommon.getIndicatorData(
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window
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).attentionSuppressed |= aSuppressionFlag;
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}
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// Make sure to unregister the view if the window is closed.
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window.addEventListener(
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"unload",
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() => {
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window.controllers.removeController(this);
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// Unpause the main window's download indicator.
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DownloadsCommon.getIndicatorData(
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window
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).attentionSuppressed &= ~aSuppressionFlag;
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this._downloadsData.removeView(this);
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this.result = null;
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},
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true
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);
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// Resizing the window may change items visibility.
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window.addEventListener(
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"resize",
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() => {
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this._ensureVisibleElementsAreActive(true);
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},
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true
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);
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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;
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},
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set active(val) {
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this._active = val;
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if (this._active) {
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this._ensureVisibleElementsAreActive(true);
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}
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},
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/**
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* Ensure the custom element contents are created and shown for each
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* visible element in the list.
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*
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* @param debounce whether to use a short timeout rather than running
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* immediately. The default is running immediately. If you
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* pass `true`, we'll run on a 10ms timeout. This is used to
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* avoid running this code lots while scrolling or resizing.
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*/
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_ensureVisibleElementsAreActive(debounce = false) {
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if (
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!this.active ||
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(debounce && this._ensureVisibleTimer) ||
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!this._richlistbox.firstChild
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) {
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return;
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}
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if (debounce) {
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this._ensureVisibleTimer = setTimeout(() => {
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this._internalEnsureVisibleElementsAreActive();
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}, 10);
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} else {
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this._internalEnsureVisibleElementsAreActive();
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}
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},
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_internalEnsureVisibleElementsAreActive() {
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// If there are no children, we can't do anything so bail out.
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// However, avoid clearing the timer because there may be children
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// when the timer fires.
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if (!this._richlistbox.firstChild) {
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// If we were called asynchronously (debounced), we need to delete
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// the timer variable to ensure we are called again if another
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// debounced call comes in.
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delete this._ensureVisibleTimer;
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return;
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}
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if (this._ensureVisibleTimer) {
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clearTimeout(this._ensureVisibleTimer);
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delete this._ensureVisibleTimer;
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}
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let rlbRect = this._richlistbox.getBoundingClientRect();
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let winUtils = window.windowUtils;
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let nodes = winUtils.nodesFromRect(
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rlbRect.left,
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rlbRect.top,
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0,
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rlbRect.width,
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rlbRect.height,
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0,
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true,
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false,
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false
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);
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// nodesFromRect returns nodes in z-index order, and for the same z-index
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// sorts them in inverted DOM order, thus starting from the one that would
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// be on top.
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let firstVisibleNode, lastVisibleNode;
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for (let node of nodes) {
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if (node.localName === "richlistitem" && node._shell) {
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node._shell.ensureActive();
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// The first visible node is the last match.
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firstVisibleNode = node;
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// While the last visible node is the first match.
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if (!lastVisibleNode) {
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lastVisibleNode = node;
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}
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}
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}
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// Also activate the first invisible nodes in both boundaries (that is,
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// above and below the visible area) to ensure proper keyboard navigation
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// in both directions.
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let nodeBelowVisibleArea = lastVisibleNode && lastVisibleNode.nextSibling;
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if (nodeBelowVisibleArea && nodeBelowVisibleArea._shell) {
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nodeBelowVisibleArea._shell.ensureActive();
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}
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let nodeAboveVisibleArea =
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firstVisibleNode && firstVisibleNode.previousSibling;
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if (nodeAboveVisibleArea && nodeAboveVisibleArea._shell) {
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nodeAboveVisibleArea._shell.ensureActive();
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}
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},
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_place: "",
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get place() {
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return this._place;
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},
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set place(val) {
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if (this._place == val) {
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// XXXmano: places.js relies on this behavior (see Bug 822203).
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this.searchTerm = "";
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} else {
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this._place = val;
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}
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},
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get selectedNodes() {
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return Array.prototype.filter.call(
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this._richlistbox.selectedItems,
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element => element._shell.download.placesNode
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);
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},
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get selectedNode() {
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let selectedNodes = this.selectedNodes;
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return selectedNodes.length == 1 ? selectedNodes[0] : null;
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},
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get hasSelection() {
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return !!this.selectedNodes.length;
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},
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get controller() {
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return this._richlistbox.controller;
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},
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get searchTerm() {
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return this._searchTerm;
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},
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set searchTerm(aValue) {
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if (this._searchTerm != aValue) {
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// Always clear selection on a new search, since the user is starting a
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// different workflow. This also solves the fact we could end up
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// retaining selection on hidden elements.
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this._richlistbox.clearSelection();
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for (let element of this._richlistbox.childNodes) {
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element.hidden = !element._shell.matchesSearchTerm(aValue);
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}
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this._ensureVisibleElementsAreActive();
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}
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this._searchTerm = aValue;
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},
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/**
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* When the view loads, we want to select the first item.
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* However, because session downloads, for which the data is loaded
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* asynchronously, always come first in the list, and because the list
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* may (or may not) already contain history downloads at that point, it
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* turns out that by the time we can select the first item, the user may
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* have already started using the view.
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* To make things even more complicated, in other cases, the places data
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* may be loaded after the session downloads data. Thus we cannot rely on
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* the order in which the data comes in.
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* We work around this by attempting to select the first element twice,
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* once after the places data is loaded and once when the session downloads
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* data is done loading. However, if the selection has changed in-between,
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* we assume the user has already started using the view and give up.
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*/
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_ensureInitialSelection() {
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// Either they're both null, or the selection has not changed in between.
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if (this._richlistbox.selectedItem == this._initiallySelectedElement) {
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let firstDownloadElement = this._richlistbox.firstChild;
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if (firstDownloadElement != this._initiallySelectedElement) {
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// We may be called before _ensureVisibleElementsAreActive,
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// therefore, ensure the first item is activated.
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firstDownloadElement._shell.ensureActive();
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this._richlistbox.selectedItem = firstDownloadElement;
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this._richlistbox.currentItem = firstDownloadElement;
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this._initiallySelectedElement = firstDownloadElement;
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}
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}
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},
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/**
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* DocumentFragment object that contains all the new elements added during a
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* batch operation, or null if no batch is in progress.
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*
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* Since newest downloads are displayed at the top, elements are normally
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* prepended to the fragment, and then the fragment is prepended to the list.
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*/
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batchFragment: null,
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onDownloadBatchStarting() {
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this.batchFragment = document.createDocumentFragment();
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this.oldSuppressOnSelect = this._richlistbox.suppressOnSelect;
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this._richlistbox.suppressOnSelect = true;
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},
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onDownloadBatchEnded() {
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this._richlistbox.suppressOnSelect = this.oldSuppressOnSelect;
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delete this.oldSuppressOnSelect;
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if (this.batchFragment.childElementCount) {
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this._prependBatchFragment();
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}
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this.batchFragment = null;
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this._ensureInitialSelection();
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this._ensureVisibleElementsAreActive();
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goUpdateDownloadCommands();
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if (this._waitingForInitialData) {
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this._waitingForInitialData = false;
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this._richlistbox.dispatchEvent(
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new CustomEvent("InitialDownloadsLoaded")
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);
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}
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},
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_prependBatchFragment() {
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// Workaround multiple reflows hang by removing the richlistbox
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// and adding it back when we're done.
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// Hack for bug 836283: reset xbl fields to their old values after the
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// binding is reattached to avoid breaking the selection state
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let xblFields = new Map();
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for (let key of Object.getOwnPropertyNames(this._richlistbox)) {
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let value = this._richlistbox[key];
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xblFields.set(key, value);
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}
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let oldActiveElement = document.activeElement;
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let parentNode = this._richlistbox.parentNode;
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let nextSibling = this._richlistbox.nextSibling;
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parentNode.removeChild(this._richlistbox);
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this._richlistbox.prepend(this.batchFragment);
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parentNode.insertBefore(this._richlistbox, nextSibling);
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if (oldActiveElement && oldActiveElement != document.activeElement) {
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oldActiveElement.focus();
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}
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for (let [key, value] of xblFields) {
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this._richlistbox[key] = value;
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}
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},
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onDownloadAdded(download, { insertBefore } = {}) {
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let shell = new HistoryDownloadElementShell(download);
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this._viewItemsForDownloads.set(download, shell);
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// Since newest downloads are displayed at the top, either prepend the new
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// element or insert it after the one indicated by the insertBefore option.
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if (insertBefore) {
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this._viewItemsForDownloads
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.get(insertBefore)
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.element.insertAdjacentElement("afterend", shell.element);
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} else {
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(this.batchFragment || this._richlistbox).prepend(shell.element);
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}
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if (this.searchTerm) {
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shell.element.hidden = !shell.matchesSearchTerm(this.searchTerm);
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}
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// Don't update commands and visible elements during a batch change.
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if (!this.batchFragment) {
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this._ensureVisibleElementsAreActive();
|
|
goUpdateCommand("downloadsCmd_clearDownloads");
|
|
}
|
|
},
|
|
|
|
onDownloadChanged(download) {
|
|
this._viewItemsForDownloads.get(download).onChanged();
|
|
},
|
|
|
|
onDownloadRemoved(download) {
|
|
let element = this._viewItemsForDownloads.get(download).element;
|
|
|
|
// If the element was selected exclusively, select its next
|
|
// sibling first, if not, try for previous sibling, if any.
|
|
if (
|
|
(element.nextSibling || element.previousSibling) &&
|
|
this._richlistbox.selectedItems &&
|
|
this._richlistbox.selectedItems.length == 1 &&
|
|
this._richlistbox.selectedItems[0] == element
|
|
) {
|
|
this._richlistbox.selectItem(
|
|
element.nextSibling || element.previousSibling
|
|
);
|
|
}
|
|
|
|
this._richlistbox.removeItemFromSelection(element);
|
|
element.remove();
|
|
|
|
// Don't update commands and visible elements during a batch change.
|
|
if (!this.batchFragment) {
|
|
this._ensureVisibleElementsAreActive();
|
|
goUpdateCommand("downloadsCmd_clearDownloads");
|
|
}
|
|
},
|
|
|
|
// 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 Array.prototype.some.call(
|
|
this._richlistbox.selectedItems,
|
|
element => {
|
|
const { source } = element._shell.download;
|
|
return !!(source?.originalUrl || source?.url);
|
|
}
|
|
);
|
|
case "downloadsCmd_openReferrer":
|
|
case "downloadShowMenuItem":
|
|
return this._richlistbox.selectedItems.length == 1;
|
|
case "cmd_selectAll":
|
|
return true;
|
|
case "cmd_paste":
|
|
return this._canDownloadClipboardURL();
|
|
case "downloadsCmd_clearDownloads":
|
|
return this.canClearDownloads(this._richlistbox);
|
|
default:
|
|
return Array.prototype.every.call(
|
|
this._richlistbox.selectedItems,
|
|
element => element._shell.isCommandEnabled(aCommand)
|
|
);
|
|
}
|
|
},
|
|
|
|
_copySelectedDownloadsToClipboard() {
|
|
let urls = Array.from(this._richlistbox.selectedItems, element => {
|
|
const { source } = element._shell.download;
|
|
return source?.originalUrl || source?.url;
|
|
}).filter(Boolean);
|
|
|
|
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/plain"];
|
|
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).spec, name];
|
|
}
|
|
} catch (ex) {}
|
|
|
|
return ["", ""];
|
|
},
|
|
|
|
_canDownloadClipboardURL() {
|
|
let [url /* ,name */] = this._getURLFromClipboardData();
|
|
return url != "";
|
|
},
|
|
|
|
_downloadURLFromClipboard() {
|
|
let [url, name] = this._getURLFromClipboardData();
|
|
let browserWin = BrowserWindowTracker.getTopWindow();
|
|
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() {
|
|
if (!this.searchTerm) {
|
|
this._richlistbox.selectAll();
|
|
return;
|
|
}
|
|
// If there is a filtering search term, some rows are hidden and should not
|
|
// be selected.
|
|
let oldSuppressOnSelect = this._richlistbox.suppressOnSelect;
|
|
this._richlistbox.suppressOnSelect = true;
|
|
this._richlistbox.clearSelection();
|
|
var item = this._richlistbox.getItemAtIndex(0);
|
|
while (item) {
|
|
if (!item.hidden) {
|
|
this._richlistbox.addItemToSelection(item);
|
|
}
|
|
item = this._richlistbox.getNextItem(item, 1);
|
|
}
|
|
this._richlistbox.suppressOnSelect = oldSuppressOnSelect;
|
|
},
|
|
|
|
cmd_paste() {
|
|
this._downloadURLFromClipboard();
|
|
},
|
|
|
|
downloadsCmd_clearDownloads() {
|
|
this._downloadsData.removeFinished();
|
|
if (this._place) {
|
|
PlacesUtils.history
|
|
.removeVisitsByFilter({
|
|
transition: PlacesUtils.history.TRANSITIONS.DOWNLOAD,
|
|
})
|
|
.catch(console.error);
|
|
}
|
|
// 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;
|
|
}
|
|
|
|
let contextMenu = document.getElementById("downloadsContextMenu");
|
|
DownloadsViewUI.updateContextMenuForElement(contextMenu, element);
|
|
// Hide the copy location item if there is somehow no URL. We have to do
|
|
// this here instead of in DownloadsViewUI because DownloadsView doesn't
|
|
// allow selecting multiple downloads, so in that view the menuitem will be
|
|
// shown according to whether just the selected item has a source URL.
|
|
contextMenu.querySelector(
|
|
".downloadCopyLocationMenuItem"
|
|
).hidden = !Array.prototype.some.call(
|
|
this._richlistbox.selectedItems,
|
|
el => !!el._shell.download.source?.url
|
|
);
|
|
|
|
let download = element._shell.download;
|
|
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(aEvent);
|
|
}
|
|
}
|
|
} else if (aEvent.charCode == " ".charCodeAt(0)) {
|
|
let atLeastOneDownloadToggled = false;
|
|
// Pause/Resume every selected download
|
|
for (let element of selectedElements) {
|
|
if (element._shell.isCommandEnabled("downloadsCmd_pauseResume")) {
|
|
element._shell.doCommand("downloadsCmd_pauseResume");
|
|
atLeastOneDownloadToggled = true;
|
|
}
|
|
}
|
|
|
|
if (atLeastOneDownloadToggled) {
|
|
aEvent.preventDefault();
|
|
}
|
|
}
|
|
},
|
|
|
|
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(aEvent);
|
|
}
|
|
},
|
|
|
|
onScroll() {
|
|
this._ensureVisibleElementsAreActive(true);
|
|
},
|
|
|
|
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;
|
|
}
|
|
aEvent.preventDefault();
|
|
let browserWin = BrowserWindowTracker.getTopWindow();
|
|
let initiatingDoc = browserWin ? browserWin.document : document;
|
|
for (let link of links) {
|
|
if (link.url.startsWith("about:")) {
|
|
continue;
|
|
}
|
|
DownloadURL(link.url, link.name, initiatingDoc);
|
|
}
|
|
},
|
|
};
|
|
Object.setPrototypeOf(
|
|
DownloadsPlacesView.prototype,
|
|
DownloadsViewUI.BaseView.prototype
|
|
);
|
|
|
|
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);
|
|
}
|
|
|
|
document.addEventListener("DOMContentLoaded", function() {
|
|
let richListBox = document.getElementById("downloadsListBox");
|
|
richListBox.addEventListener("scroll", function(event) {
|
|
return this._placesView.onScroll();
|
|
});
|
|
richListBox.addEventListener("keypress", function(event) {
|
|
return this._placesView.onKeyPress(event);
|
|
});
|
|
richListBox.addEventListener("dblclick", function(event) {
|
|
return this._placesView.onDoubleClick(event);
|
|
});
|
|
richListBox.addEventListener("contextmenu", function(event) {
|
|
return this._placesView.onContextMenu(event);
|
|
});
|
|
richListBox.addEventListener("dragstart", function(event) {
|
|
this._placesView.onDragStart(event);
|
|
});
|
|
let dropNode = richListBox;
|
|
// In about:downloads, also allow drops if the list is empty, by
|
|
// adding the listener to the document, as the richlistbox is
|
|
// hidden when it is empty.
|
|
if (document.documentElement.id == "contentAreaDownloadsView") {
|
|
dropNode = richListBox.parentNode;
|
|
}
|
|
dropNode.addEventListener("dragover", function(event) {
|
|
richListBox._placesView.onDragOver(event);
|
|
});
|
|
dropNode.addEventListener("drop", function(event) {
|
|
richListBox._placesView.onDrop(event);
|
|
});
|
|
richListBox.addEventListener("select", function(event) {
|
|
this._placesView.onSelect();
|
|
});
|
|
richListBox.addEventListener("focus", goUpdateDownloadCommands);
|
|
richListBox.addEventListener("blur", goUpdateDownloadCommands);
|
|
});
|