diff options
Diffstat (limited to 'browser/components/downloads/content/allDownloadsView.js')
| -rw-r--r-- | browser/components/downloads/content/allDownloadsView.js | 949 |
1 files changed, 949 insertions, 0 deletions
diff --git a/browser/components/downloads/content/allDownloadsView.js b/browser/components/downloads/content/allDownloadsView.js new file mode 100644 index 0000000000..9245127b0e --- /dev/null +++ b/browser/components/downloads/content/allDownloadsView.js @@ -0,0 +1,949 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* eslint-env mozilla/browser-window */ + +var { XPCOMUtils } = ChromeUtils.importESModule( + "resource://gre/modules/XPCOMUtils.sys.mjs" +); + +ChromeUtils.defineESModuleGetters(this, { + Downloads: "resource://gre/modules/Downloads.sys.mjs", + DownloadsCommon: "resource:///modules/DownloadsCommon.sys.mjs", + DownloadsViewUI: "resource:///modules/DownloadsViewUI.sys.mjs", + FileUtils: "resource://gre/modules/FileUtils.sys.mjs", + PlacesUtils: "resource://gre/modules/PlacesUtils.sys.mjs", +}); + +XPCOMUtils.defineLazyModuleGetters(this, { + BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.jsm", + NetUtil: "resource://gre/modules/NetUtil.jsm", +}); + +/** + * A download element shell is responsible for handling the commands and the + * displayed data for a single download view element. + * + * The shell may contain a session download, a history download, or both. When + * both a history and a session download are present, the session download gets + * priority and its information is displayed. + * + * On construction, a new richlistitem is created, and can be accessed through + * the |element| getter. The shell doesn't insert the item in a richlistbox, the + * caller must do it and remove the element when it's no longer needed. + * + * The caller is also responsible for forwarding status notifications, calling + * the onChanged method. + * + * @param download + * The Download object from the DownloadHistoryList. + */ +function HistoryDownloadElementShell(download) { + this._download = download; + + this.element = document.createXULElement("richlistitem"); + this.element._shell = this; + + this.element.classList.add("download"); + this.element.classList.add("download-state"); +} + +HistoryDownloadElementShell.prototype = { + /** + * Overrides the base getter to return the Download or HistoryDownload object + * for displaying information and executing commands in the user interface. + */ + get download() { + return this._download; + }, + + onStateChanged() { + // Since the state changed, we may need to check the target file again. + this._targetFileChecked = false; + + this._updateState(); + + if (this.element.selected) { + goUpdateDownloadCommands(); + } else { + // If a state change occurs in an item that is not currently selected, + // this is the only command that may be affected. + goUpdateCommand("downloadsCmd_clearDownloads"); + } + }, + + onChanged() { + // There is nothing to do if the item has always been invisible. + if (!this.active) { + return; + } + + let newState = DownloadsCommon.stateOfDownload(this.download); + if (this._downloadState !== newState) { + this._downloadState = newState; + this.onStateChanged(); + } else { + this._updateStateInner(); + } + }, + _downloadState: null, + + isCommandEnabled(aCommand) { + // The only valid command for inactive elements is cmd_delete. + if (!this.active && aCommand != "cmd_delete") { + return false; + } + return DownloadsViewUI.DownloadElementShell.prototype.isCommandEnabled.call( + this, + aCommand + ); + }, + + downloadsCmd_unblock() { + this.confirmUnblock(window, "unblock"); + }, + downloadsCmd_unblockAndSave() { + this.confirmUnblock(window, "unblock"); + }, + + downloadsCmd_chooseUnblock() { + this.confirmUnblock(window, "chooseUnblock"); + }, + + downloadsCmd_chooseOpen() { + this.confirmUnblock(window, "chooseOpen"); + }, + + // Returns whether or not the download handled by this shell should + // show up in the search results for the given term. Both the display + // name for the download and the url are searched. + matchesSearchTerm(aTerm) { + if (!aTerm) { + return true; + } + aTerm = aTerm.toLowerCase(); + let displayName = DownloadsViewUI.getDisplayName(this.download); + return ( + displayName.toLowerCase().includes(aTerm) || + (this.download.source.originalUrl || this.download.source.url) + .toLowerCase() + .includes(aTerm) + ); + }, + + // Handles double-click and return keypress on the element (the keypress + // listener is set in the DownloadsPlacesView object). + doDefaultCommand(event) { + let command = this.currentDefaultCommandName; + if ( + command == "downloadsCmd_open" && + event && + (event.shiftKey || event.ctrlKey || event.metaKey || event.button == 1) + ) { + // We adjust the command for supported modifiers to suggest where the download may + // be opened. + let browserWin = BrowserWindowTracker.getTopWindow(); + let openWhere = browserWin + ? browserWin.whereToOpenLink(event, false, true) + : "window"; + if (["window", "tabshifted", "tab"].includes(openWhere)) { + command += ":" + openWhere; + } + } + + if (command && this.isCommandEnabled(command)) { + this.doCommand(command); + } + }, + + /** + * This method is called by the outer download view, after the controller + * commands have already been updated. In case we did not check for the + * existence of the target file already, we can do it now and then update + * the commands as needed. + */ + onSelect() { + if (!this.active) { + return; + } + + // If this is a history download for which no target file information is + // available, we cannot retrieve information about the target file. + if (!this.download.target.path) { + return; + } + + // Start checking for existence. This may be done twice if onSelect is + // called again before the information is collected. + if (!this._targetFileChecked) { + this.download + .refresh() + .catch(console.error) + .then(() => { + // Do not try to check for existence again even if this failed. + this._targetFileChecked = true; + }); + } + }, +}; +Object.setPrototypeOf( + HistoryDownloadElementShell.prototype, + DownloadsViewUI.DownloadElementShell.prototype +); + +/** + * Relays commands from the download.xml binding to the selected items. + */ +var DownloadsView = { + onDownloadButton(event) { + event.target.closest("richlistitem")._shell.onButton(); + }, + + onDownloadClick() {}, +}; + +/** + * A Downloads Places View is a places view designed to show a places query + * for history downloads alongside the session downloads. + * + * As we don't use the places controller, some methods implemented by other + * places views are not implemented by this view. + * + * A richlistitem in this view can represent either a past download or a session + * download, or both. Session downloads are shown first in the view, and as long + * as they exist they "collapses" their history "counterpart" (So we don't show two + * items for every download). + */ +function DownloadsPlacesView( + aRichListBox, + aActive = true, + aSuppressionFlag = DownloadsCommon.SUPPRESS_ALL_DOWNLOADS_OPEN +) { + this._richlistbox = aRichListBox; + this._richlistbox._placesView = this; + window.controllers.insertControllerAt(0, this); + + // Map downloads to their element shells. + this._viewItemsForDownloads = new WeakMap(); + + this._searchTerm = ""; + + this._active = aActive; + + // Register as a downloads view. The places data will be initialized by + // the places setter. + this._initiallySelectedElement = null; + this._downloadsData = DownloadsCommon.getData(window.opener || window, true); + this._waitingForInitialData = true; + this._downloadsData.addView(this); + + // Pause the download indicator as user is interacting with downloads. This is + // skipped on about:downloads because it handles this by itself. + if (aSuppressionFlag === DownloadsCommon.SUPPRESS_ALL_DOWNLOADS_OPEN) { + DownloadsCommon.getIndicatorData(window).attentionSuppressed |= + aSuppressionFlag; + } + + // Make sure to unregister the view if the window is closed. + window.addEventListener( + "unload", + () => { + window.controllers.removeController(this); + // Unpause the main window's download indicator. + DownloadsCommon.getIndicatorData(window).attentionSuppressed &= + ~aSuppressionFlag; + this._downloadsData.removeView(this); + this.result = null; + }, + true + ); + // Resizing the window may change items visibility. + window.addEventListener( + "resize", + () => { + this._ensureVisibleElementsAreActive(true); + }, + true + ); +} + +DownloadsPlacesView.prototype = { + get associatedElement() { + return this._richlistbox; + }, + + get active() { + return this._active; + }, + set active(val) { + this._active = val; + if (this._active) { + this._ensureVisibleElementsAreActive(true); + } + }, + + /** + * Ensure the custom element contents are created and shown for each + * visible element in the list. + * + * @param debounce whether to use a short timeout rather than running + * immediately. The default is running immediately. If you + * pass `true`, we'll run on a 10ms timeout. This is used to + * avoid running this code lots while scrolling or resizing. + */ + _ensureVisibleElementsAreActive(debounce = false) { + if ( + !this.active || + (debounce && this._ensureVisibleTimer) || + !this._richlistbox.firstChild + ) { + return; + } + + if (debounce) { + this._ensureVisibleTimer = setTimeout(() => { + this._internalEnsureVisibleElementsAreActive(); + }, 10); + } else { + this._internalEnsureVisibleElementsAreActive(); + } + }, + + _internalEnsureVisibleElementsAreActive() { + // If there are no children, we can't do anything so bail out. + // However, avoid clearing the timer because there may be children + // when the timer fires. + if (!this._richlistbox.firstChild) { + // If we were called asynchronously (debounced), we need to delete + // the timer variable to ensure we are called again if another + // debounced call comes in. + delete this._ensureVisibleTimer; + return; + } + + if (this._ensureVisibleTimer) { + clearTimeout(this._ensureVisibleTimer); + delete this._ensureVisibleTimer; + } + + let rlbRect = this._richlistbox.getBoundingClientRect(); + let winUtils = window.windowUtils; + let nodes = winUtils.nodesFromRect( + rlbRect.left, + rlbRect.top, + 0, + rlbRect.width, + rlbRect.height, + 0, + true, + false, + 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(); + } + }, + + _place: "", + get place() { + return this._place; + }, + set place(val) { + if (this._place == val) { + // XXXmano: places.js relies on this behavior (see Bug 822203). + this.searchTerm = ""; + } else { + this._place = val; + } + }, + + get selectedNodes() { + return Array.prototype.filter.call( + this._richlistbox.selectedItems, + element => element._shell.download.placesNode + ); + }, + + get selectedNode() { + let selectedNodes = this.selectedNodes; + return selectedNodes.length == 1 ? selectedNodes[0] : null; + }, + + get hasSelection() { + return !!this.selectedNodes.length; + }, + + get controller() { + return this._richlistbox.controller; + }, + + get searchTerm() { + return this._searchTerm; + }, + set searchTerm(aValue) { + if (this._searchTerm != aValue) { + // Always clear selection on a new search, since the user is starting a + // different workflow. This also solves the fact we could end up + // retaining selection on hidden elements. + this._richlistbox.clearSelection(); + for (let element of this._richlistbox.childNodes) { + element.hidden = !element._shell.matchesSearchTerm(aValue); + } + this._ensureVisibleElementsAreActive(); + } + 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, + // therefore, ensure the first item is activated. + firstDownloadElement._shell.ensureActive(); + this._richlistbox.selectedItem = firstDownloadElement; + this._richlistbox.currentItem = firstDownloadElement; + this._initiallySelectedElement = firstDownloadElement; + } + } + }, + + /** + * DocumentFragment object that contains all the new elements added during a + * batch operation, or null if no batch is in progress. + * + * Since newest downloads are displayed at the top, elements are normally + * prepended to the fragment, and then the fragment is prepended to the list. + */ + batchFragment: null, + + onDownloadBatchStarting() { + this.batchFragment = document.createDocumentFragment(); + + this.oldSuppressOnSelect = this._richlistbox.suppressOnSelect; + this._richlistbox.suppressOnSelect = true; + }, + + onDownloadBatchEnded() { + this._richlistbox.suppressOnSelect = this.oldSuppressOnSelect; + delete this.oldSuppressOnSelect; + + if (this.batchFragment.childElementCount) { + this._prependBatchFragment(); + } + this.batchFragment = null; + + this._ensureInitialSelection(); + this._ensureVisibleElementsAreActive(); + goUpdateDownloadCommands(); + if (this._waitingForInitialData) { + this._waitingForInitialData = false; + this._richlistbox.dispatchEvent( + new CustomEvent("InitialDownloadsLoaded") + ); + } + }, + + _prependBatchFragment() { + // 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 oldActiveElement = document.activeElement; + let parentNode = this._richlistbox.parentNode; + let nextSibling = this._richlistbox.nextSibling; + parentNode.removeChild(this._richlistbox); + this._richlistbox.prepend(this.batchFragment); + parentNode.insertBefore(this._richlistbox, nextSibling); + if (oldActiveElement && oldActiveElement != document.activeElement) { + oldActiveElement.focus(); + } + + for (let [key, value] of xblFields) { + this._richlistbox[key] = value; + } + }, + + onDownloadAdded(download, { insertBefore } = {}) { + let shell = new HistoryDownloadElementShell(download); + this._viewItemsForDownloads.set(download, shell); + + // Since newest downloads are displayed at the top, either prepend the new + // element or insert it after the one indicated by the insertBefore option. + if (insertBefore) { + this._viewItemsForDownloads + .get(insertBefore) + .element.insertAdjacentElement("afterend", shell.element); + } else { + (this.batchFragment || this._richlistbox).prepend(shell.element); + } + + if (this.searchTerm) { + shell.element.hidden = !shell.matchesSearchTerm(this.searchTerm); + } + + // Don't update commands and visible elements during a batch change. + if (!this.batchFragment) { + 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); +}); |