diff options
Diffstat (limited to 'browser/components/downloads/content/allDownloadsViewOverlay.js')
| -rw-r--r-- | browser/components/downloads/content/allDownloadsViewOverlay.js | 1439 |
1 files changed, 0 insertions, 1439 deletions
diff --git a/browser/components/downloads/content/allDownloadsViewOverlay.js b/browser/components/downloads/content/allDownloadsViewOverlay.js deleted file mode 100644 index 58078cd08..000000000 --- a/browser/components/downloads/content/allDownloadsViewOverlay.js +++ /dev/null @@ -1,1439 +0,0 @@ -/* 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/. */ - -var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); - -XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils", - "resource://gre/modules/DownloadUtils.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon", - "resource:///modules/DownloadsCommon.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "DownloadsViewUI", - "resource:///modules/DownloadsViewUI.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "FileUtils", - "resource://gre/modules/FileUtils.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "NetUtil", - "resource://gre/modules/NetUtil.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "OS", - "resource://gre/modules/osfile.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", - "resource://gre/modules/PlacesUtils.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "Promise", - "resource://gre/modules/Promise.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", - "resource:///modules/RecentWindow.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "Services", - "resource://gre/modules/Services.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "Task", - "resource://gre/modules/Task.jsm"); - -const nsIDM = Ci.nsIDownloadManager; - -const DESTINATION_FILE_URI_ANNO = "downloads/destinationFileURI"; -const DOWNLOAD_META_DATA_ANNO = "downloads/metaData"; - -/** - * Represents a download from the browser history. It implements part of the - * interface of the Download object. - * - * @param aPlacesNode - * The Places node from which the history download should be initialized. - */ -function HistoryDownload(aPlacesNode) { - // TODO (bug 829201): history downloads should get the referrer from Places. - this.source = { - url: aPlacesNode.uri, - }; - this.target = { - path: undefined, - exists: false, - size: undefined, - }; - - // In case this download cannot obtain its end time from the Places metadata, - // use the time from the Places node, that is the start time of the download. - this.endTime = aPlacesNode.time / 1000; -} - -HistoryDownload.prototype = { - /** - * Pushes information from Places metadata into this object. - */ - updateFromMetaData(metaData) { - try { - this.target.path = Cc["@mozilla.org/network/protocol;1?name=file"] - .getService(Ci.nsIFileProtocolHandler) - .getFileFromURLSpec(metaData.targetFileSpec).path; - } catch (ex) { - this.target.path = undefined; - } - - if ("state" in metaData) { - this.succeeded = metaData.state == nsIDM.DOWNLOAD_FINISHED; - this.canceled = metaData.state == nsIDM.DOWNLOAD_CANCELED || - metaData.state == nsIDM.DOWNLOAD_PAUSED; - this.endTime = metaData.endTime; - - // Recreate partial error information from the state saved in history. - if (metaData.state == nsIDM.DOWNLOAD_FAILED) { - this.error = { message: "History download failed." }; - } else if (metaData.state == nsIDM.DOWNLOAD_BLOCKED_PARENTAL) { - this.error = { becauseBlockedByParentalControls: true }; - } else if (metaData.state == nsIDM.DOWNLOAD_DIRTY) { - this.error = { - becauseBlockedByReputationCheck: true, - reputationCheckVerdict: metaData.reputationCheckVerdict || "", - }; - } else { - this.error = null; - } - - // Normal history downloads are assumed to exist until the user interface - // is refreshed, at which point these values may be updated. - this.target.exists = true; - this.target.size = metaData.fileSize; - } else { - // Metadata might be missing from a download that has started but hasn't - // stopped already. Normally, this state is overridden with the one from - // the corresponding in-progress session download. But if the browser is - // terminated abruptly and additionally the file with information about - // in-progress downloads is lost, we may end up using this state. We use - // the failed state to allow the download to be restarted. - // - // On the other hand, if the download is missing the target file - // annotation as well, it is just a very old one, and we can assume it - // succeeded. - this.succeeded = !this.target.path; - this.error = this.target.path ? { message: "Unstarted download." } : null; - this.canceled = false; - - // These properties may be updated if the user interface is refreshed. - this.target.exists = false; - this.target.size = undefined; - } - }, - - /** - * History downloads are never in progress. - */ - stopped: true, - - /** - * No percentage indication is shown for history downloads. - */ - hasProgress: false, - - /** - * History downloads cannot be restarted using their partial data, even if - * they are indicated as paused in their Places metadata. The only way is to - * use the information from a persisted session download, that will be shown - * instead of the history download. In case this session download is not - * available, we show the history download as canceled, not paused. - */ - hasPartialData: false, - - /** - * This method mimicks the "start" method of session downloads, and is called - * when the user retries a history download. - * - * At present, we always ask the user for a new target path when retrying a - * history download. In the future we may consider reusing the known target - * path if the folder still exists and the file name is not already used, - * except when the user preferences indicate that the target path should be - * requested every time a new download is started. - */ - start() { - let browserWin = RecentWindow.getMostRecentBrowserWindow(); - let initiatingDoc = browserWin ? browserWin.document : document; - - // Do not suggest a file name if we don't know the original target. - let leafName = this.target.path ? OS.Path.basename(this.target.path) : null; - DownloadURL(this.source.url, leafName, initiatingDoc); - - return Promise.resolve(); - }, - - /** - * This method mimicks the "refresh" method of session downloads, except that - * it cannot notify that the data changed to the Downloads View. - */ - refresh: Task.async(function* () { - try { - this.target.size = (yield OS.File.stat(this.target.path)).size; - this.target.exists = true; - } catch (ex) { - // We keep the known file size from the metadata, if any. - this.target.exists = false; - } - }), -}; - -/** - * 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 for - * session downloads, calling the onStateChanged and onChanged methods. - * - * @param [optional] aSessionDownload - * The session download, required if aHistoryDownload is not set. - * @param [optional] aHistoryDownload - * The history download, required if aSessionDownload is not set. - */ -function HistoryDownloadElementShell(aSessionDownload, aHistoryDownload) { - this.element = document.createElement("richlistitem"); - this.element._shell = this; - - this.element.classList.add("download"); - this.element.classList.add("download-state"); - - if (aSessionDownload) { - this.sessionDownload = aSessionDownload; - } - if (aHistoryDownload) { - this.historyDownload = aHistoryDownload; - } -} - -HistoryDownloadElementShell.prototype = { - __proto__: DownloadsViewUI.DownloadElementShell.prototype, - - /** - * Manages the "active" state of the shell. By default all the shells without - * a session download are inactive, thus their UI is not updated. They must - * be activated when entering the visible area. Session downloads are always - * active. - */ - ensureActive() { - if (!this._active) { - this._active = true; - this.element.setAttribute("active", true); - this._updateUI(); - } - }, - get active() { - return !!this._active; - }, - - /** - * 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._sessionDownload || this._historyDownload; - }, - - _sessionDownload: null, - get sessionDownload() { - return this._sessionDownload; - }, - set sessionDownload(aValue) { - if (this._sessionDownload != aValue) { - if (!aValue && !this._historyDownload) { - throw new Error("Should always have either a Download or a HistoryDownload"); - } - - this._sessionDownload = aValue; - - this.ensureActive(); - this._updateUI(); - } - return aValue; - }, - - _historyDownload: null, - get historyDownload() { - return this._historyDownload; - }, - set historyDownload(aValue) { - if (this._historyDownload != aValue) { - if (!aValue && !this._sessionDownload) { - throw new Error("Should always have either a Download or a HistoryDownload"); - } - - this._historyDownload = aValue; - - // We don't need to update the UI if we had a session data item, because - // the places information isn't used in this case. - if (!this._sessionDownload) { - this._updateUI(); - } - } - return aValue; - }, - - _updateUI() { - // There is nothing to do if the item has always been invisible. - if (!this.active) { - return; - } - - // Since the state changed, we may need to check the target file again. - this._targetFileChecked = false; - - this._updateState(); - }, - - get statusTextAndTip() { - let status = this.rawStatusTextAndTip; - - // The base object would show extended progress information in the tooltip, - // but we move this to the main view and never display a tooltip. - if (!this.download.stopped) { - status.text = status.tip; - } - status.tip = ""; - - return status; - }, - - onStateChanged() { - 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() { - // This cannot be placed within onStateChanged because - // when a download goes from hasBlockedData to !hasBlockedData - // it will still remain in the same state. - this.element.classList.toggle("temporary-block", - !!this.download.hasBlockedData); - this._updateProgress(); - }, - - isCommandEnabled(aCommand) { - // The only valid command for inactive elements is cmd_delete. - if (!this.active && aCommand != "cmd_delete") { - return false; - } - switch (aCommand) { - case "downloadsCmd_open": - // This property is false if the download did not succeed. - return this.download.target.exists; - case "downloadsCmd_show": - // TODO: Bug 827010 - Handle part-file asynchronously. - if (this._sessionDownload && this.download.target.partFilePath) { - let partFile = new FileUtils.File(this.download.target.partFilePath); - if (partFile.exists()) { - return true; - } - } - - // This property is false if the download did not succeed. - return this.download.target.exists; - case "cmd_delete": - // We don't want in-progress downloads to be removed accidentally. - return this.download.stopped; - case "downloadsCmd_cancel": - return !!this._sessionDownload; - } - return DownloadsViewUI.DownloadElementShell.prototype - .isCommandEnabled.call(this, aCommand); - }, - - doCommand(aCommand) { - if (DownloadsViewUI.isCommandName(aCommand)) { - this[aCommand](); - } - }, - - downloadsCmd_open() { - let file = new FileUtils.File(this.download.target.path); - DownloadsCommon.openDownloadedFile(file, null, window); - }, - - downloadsCmd_show() { - let file = new FileUtils.File(this.download.target.path); - DownloadsCommon.showDownloadedFile(file); - }, - - downloadsCmd_openReferrer() { - openURL(this.download.source.referrer); - }, - - cmd_delete() { - if (this._sessionDownload) { - DownloadsCommon.removeAndFinalizeDownload(this.download); - } - if (this._historyDownload) { - let uri = NetUtil.newURI(this.download.source.url); - PlacesUtils.bhistory.removePage(uri); - } - }, - - downloadsCmd_unblock() { - 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(); - return this.displayName.toLowerCase().includes(aTerm) || - this.download.source.url.toLowerCase().includes(aTerm); - }, - - // Handles return keypress on the element (the keypress listener is - // set in the DownloadsPlacesView object). - doDefaultCommand() { - let command = this.currentDefaultCommandName; - 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._checkTargetFileOnSelect().catch(Cu.reportError); - } - }, - - _checkTargetFileOnSelect: Task.async(function* () { - try { - yield this.download.refresh(); - } finally { - // Do not try to check for existence again if this failed once. - this._targetFileChecked = true; - } - - // Update the commands only if the element is still selected. - if (this.element.selected) { - goUpdateDownloadCommands(); - } - - // Ensure the interface has been updated based on the new values. We need to - // do this because history downloads can't trigger update notifications. - this._updateProgress(); - }), -}; - -/** - * Relays commands from the download.xml binding to the selected items. - */ -const DownloadsView = { - onDownloadCommand(event, command) { - goDoCommand(command); - }, - - 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) { - this._richlistbox = aRichListBox; - this._richlistbox._placesView = this; - window.controllers.insertControllerAt(0, this); - - // Map download URLs to download element shells regardless of their type - this._downloadElementsShellsForURI = new Map(); - - // Map download data items to their element shells. - this._viewItemsForDownloads = new WeakMap(); - - // Points to the last session download element. We keep track of this - // in order to keep all session downloads above past downloads. - this._lastSessionDownloadElement = null; - - 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); - this._downloadsData.addView(this); - - // Get the Download button out of the attention state since we're about to - // view all downloads. - DownloadsCommon.getIndicatorData(window).attention = DownloadsCommon.ATTENTION_NONE; - - // Make sure to unregister the view if the window is closed. - window.addEventListener("unload", () => { - window.controllers.removeController(this); - this._downloadsData.removeView(this); - this.result = null; - }, true); - // Resizing the window may change items visibility. - window.addEventListener("resize", () => { - this._ensureVisibleElementsAreActive(); - }, true); -} - -DownloadsPlacesView.prototype = { - get associatedElement() { - return this._richlistbox; - }, - - get active() { - 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.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); -} |