--- a/browser/components/downloads/DownloadsViewUI.jsm
+++ b/browser/components/downloads/DownloadsViewUI.jsm
@@ -10,37 +10,420 @@
"use strict";
this.EXPORTED_SYMBOLS = [
"DownloadsViewUI",
];
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Downloads",
"resource://gre/modules/Downloads.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
"resource://gre/modules/DownloadUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
"resource:///modules/DownloadsCommon.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
+ "resource://gre/modules/FileUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
+ "resource://gre/modules/NetUtil.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
+ "resource://gre/modules/PlacesUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
+ "resource:///modules/RecentWindow.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "OS",
"resource://gre/modules/osfile.jsm");
+const DESTINATION_FILE_URI_ANNO = "downloads/destinationFileURI";
+const DOWNLOAD_META_DATA_ANNO = "downloads/metaData";
+
this.DownloadsViewUI = {
/**
* Returns true if the given string is the name of a command that can be
* handled by the Downloads user interface, including standard commands.
*/
isCommandName(name) {
return name.startsWith("cmd_") || name.startsWith("downloadsCmd_");
},
};
+this.DownloadsViewUI.BaseDownloadsPlacesView = class {
+ constructor(window) {
+ this.init(window);
+ }
+
+ init(window, active = true) {
+ this.window = window;
+
+ // 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();
+
+ this.__cachedPlacesMetaData = null;
+
+ // 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 = active;
+
+ // Register as a downloads view. The places data will be initialized by
+ // the places setter.
+ 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;
+ }
+
+ destructor() {
+ this._downloadsData.removeView(this);
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * 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 DownloadsViewUI.HistoryDownload(aPlacesNode);
+ historyDownload.updateFromMetaData(metaData);
+ }
+ let shell = new DownloadsViewUI.HistoryDownloadElementShell(sessionDownload,
+ historyDownload, this.window);
+ 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 DownloadsViewUI.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();
+ this.window.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);
+ }
+ }
+ }
+
+ 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;
+ }
+
+ 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);
+ }
+};
+
/**
* A download element shell is responsible for handling the commands and the
* displayed data for a single element that uses the "download.xml" binding.
*
* The information to display is obtained through the associated Download object
* from the JavaScript API for downloads, and commands are executed using a
* combination of Download methods and DownloadsCommon.jsm helper functions.
*
@@ -385,8 +768,621 @@ this.DownloadsViewUI.DownloadElementShel
this.download.cancel();
}
},
downloadsCmd_confirmBlock() {
this.download.confirmBlock().catch(Cu.reportError);
},
};
+
+/**
+ * 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.
+ * @param global
+ * The global object where this object can find the `DownloadURL` method.
+ */
+this.DownloadsViewUI.HistoryDownload = function(aPlacesNode, global) {
+ // 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;
+
+ this.global = global;
+}
+
+this.DownloadsViewUI.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 == DownloadsCommon.DOWNLOAD_FINISHED;
+ this.canceled = metaData.state == DownloadsCommon.DOWNLOAD_CANCELED ||
+ metaData.state == DownloadsCommon.DOWNLOAD_PAUSED;
+ this.endTime = metaData.endTime;
+
+ // Recreate partial error information from the state saved in history.
+ if (metaData.state == DownloadsCommon.DOWNLOAD_FAILED) {
+ this.error = { message: "History download failed." };
+ } else if (metaData.state == DownloadsCommon.DOWNLOAD_BLOCKED_PARENTAL) {
+ this.error = { becauseBlockedByParentalControls: true };
+ } else if (metaData.state == DownloadsCommon.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 : this.global.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;
+ this.global.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.
+ */
+ async refresh() {
+ try {
+ this.target.size = (await 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.
+ */
+this.DownloadsViewUI.HistoryDownloadElementShell = function(aSessionDownload, aHistoryDownload, aWindow) {
+ this.element = aWindow.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;
+ }
+
+ this.window = aWindow;
+ this.controller = new DownloadsViewUI.DownloadsPlacesViewController(this, aWindow);
+}
+
+this.DownloadsViewUI.HistoryDownloadElementShell.prototype = {
+ __proto__: this.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();
+ },
+
+ onStateChanged() {
+ this._updateState();
+
+ if (this.element.selected) {
+ this.window.DownloadsView.goUpdateCommands();
+ } else {
+ // If a state change occurs in an item that is not currently selected,
+ // this is the only command that may be affected.
+ this.window.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, this.window);
+ },
+
+ downloadsCmd_show() {
+ let file = new FileUtils.File(this.download.target.path);
+ DownloadsCommon.showDownloadedFile(file);
+ },
+
+ downloadsCmd_openReferrer() {
+ this.window.openURL(this.download.source.referrer);
+ },
+
+ cmd_delete() {
+ if (this._sessionDownload) {
+ DownloadsCommon.removeAndFinalizeDownload(this.download);
+ }
+ if (this._historyDownload) {
+ PlacesUtils.history.remove(this.download.source.url);
+ }
+ },
+
+ downloadsCmd_unblock() {
+ this.confirmUnblock(this.window, "unblock");
+ },
+
+ downloadsCmd_chooseUnblock() {
+ this.confirmUnblock(this.window, "chooseUnblock");
+ },
+
+ downloadsCmd_chooseOpen() {
+ this.confirmUnblock(this.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);
+ }
+ },
+
+ async _checkTargetFileOnSelect() {
+ try {
+ await 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) {
+ this.window.DownloadsView.goUpdateCommands();
+ }
+
+ // 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();
+ },
+};
+
+this.DownloadsViewUI.DownloadsPlacesViewController = class {
+ constructor(view, global) {
+ this.view = view;
+ this.global = global;
+ }
+
+ terminate() {}
+
+ 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 DownloadsViewUI.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" ||
+ this.global.document.activeElement == this.view._richlistbox;
+ }
+
+ isCommandEnabled(aCommand) {
+ switch (aCommand) {
+ case "cmd_copy":
+ case "downloadsCmd_openReferrer":
+ case "downloadShowMenuItem":
+ return this.view._richlistbox.selectedItems.length == 1;
+ case "cmd_selectAll":
+ return true;
+ case "cmd_paste":
+ return this._canDownloadClipboardURL();
+ case "downloadsCmd_clearDownloads":
+ return this._canClearDownloads();
+ default:
+ return Array.every(this.view._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.view._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 = this.view._richlistbox.selectedItems.map(element => 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).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 : this.global.document;
+ this.global.DownloadURL(url, name, initiatingDoc);
+ }
+
+ 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.view._richlistbox.selectedItems];
+ for (let element of selectedElements) {
+ element._shell.doCommand(aCommand);
+ }
+ }
+
+ // nsIController
+ onEvent() {}
+
+ cmd_copy() {
+ this._copySelectedDownloadsToClipboard();
+ }
+
+ cmd_selectAll() {
+ this.view._richlistbox.selectAll();
+ }
+
+ cmd_paste() {
+ this._downloadURLFromClipboard();
+ }
+
+ downloadsCmd_clearDownloads() {
+ this.view._downloadsData.removeFinished();
+ if (this.view.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.
+ this.global.goUpdateCommand("downloadsCmd_clearDownloads");
+ }
+
+ buildContextMenu(contextMenu, download) {
+ contextMenu.setAttribute("state",
+ DownloadsCommon.stateOfDownload(download));
+ contextMenu.setAttribute("exists", "true");
+ contextMenu.classList.toggle("temporary-block",
+ !!download.hasBlockedData);
+
+ if (!download.stopped) {
+ // The hasPartialData property of a download may change at any time after
+ // it has started, so ensure we update the related command now.
+ this.global.goUpdateCommand("downloadsCmd_pauseResume");
+ }
+ }
+
+ setDataTransfer(aEvent) {
+ // TODO Bug 831358: Support d&d for multiple selection.
+ // For now, we just drag the first element.
+ let selectedItem = this.view._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);
+ }
+
+ hasCachedLivemarkInfo() {
+ return false;
+ }
+};
--- a/browser/components/downloads/content/allDownloadsViewOverlay.js
+++ b/browser/components/downloads/content/allDownloadsViewOverlay.js
@@ -2,452 +2,62 @@
* 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 { 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, "RecentWindow",
"resource:///modules/RecentWindow.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Services",
"resource://gre/modules/Services.jsm");
-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 == DownloadsCommon.DOWNLOAD_FINISHED;
- this.canceled = metaData.state == DownloadsCommon.DOWNLOAD_CANCELED ||
- metaData.state == DownloadsCommon.DOWNLOAD_PAUSED;
- this.endTime = metaData.endTime;
-
- // Recreate partial error information from the state saved in history.
- if (metaData.state == DownloadsCommon.DOWNLOAD_FAILED) {
- this.error = { message: "History download failed." };
- } else if (metaData.state == DownloadsCommon.DOWNLOAD_BLOCKED_PARENTAL) {
- this.error = { becauseBlockedByParentalControls: true };
- } else if (metaData.state == DownloadsCommon.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.
- */
- async refresh() {
- try {
- this.target.size = (await 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();
- },
-
- 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) {
- PlacesUtils.history.remove(this.download.source.url);
- }
- },
-
- 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);
- }
- },
-
- async _checkTargetFileOnSelect() {
- try {
- await 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();
- },
-};
+var gController = null;
/**
* Relays commands from the download.xml binding to the selected items.
*/
-const DownloadsView = {
+const DownloadsView = window.DownloadsView = {
onDownloadCommand(event, command) {
goDoCommand(command);
},
+ getControllerForCommand(command) {
+ return gController;
+ },
+
+ goUpdateCommands() {
+ if (!gController)
+ return;
+
+ let updateCommandsForObject = object => {
+ for (let name in object) {
+ if (DownloadsViewUI.isCommandName(name)) {
+ goSetCommandEnabled(name, gController.isCommandEnabled(name));
+ }
+ }
+ };
+
+ updateCommandsForObject(gController.view);
+ updateCommandsForObject(DownloadsViewUI.HistoryDownloadElementShell.prototype);
+ },
+
+ goDoCommand(command) {
+ if (gController && gController.isCommandEnabled(command))
+ gController.doCommand(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
@@ -456,307 +66,53 @@ const DownloadsView = {
* 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;
+ gController = new DownloadsViewUI.DownloadsPlacesViewController(this, window);
+ window.controllers.insertControllerAt(0, gController);
- this._searchTerm = "";
+ this.init(window, aActive);
- 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;
+ window.controllers.removeController(gController);
+ this.destructor();
+ this.result = gController = null;
}, true);
// Resizing the window may change items visibility.
window.addEventListener("resize", () => {
this._ensureVisibleElementsAreActive();
}, true);
}
DownloadsPlacesView.prototype = {
+ __proto__: DownloadsViewUI.BaseDownloadsPlacesView.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 ||
@@ -768,76 +124,16 @@ DownloadsPlacesView.prototype = {
}
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;
@@ -933,17 +229,17 @@ DownloadsPlacesView.prototype = {
delete this._resultNode;
delete this._result;
}
return val;
},
get selectedNodes() {
- return this._richlistbox.selectedItems.filter(element => element._placesNode);
+ return this._richlistbox.selectedItems.filter(element => element._placesNode);
},
get selectedNode() {
let selectedNodes = this.selectedNodes;
return selectedNodes.length == 1 ? selectedNodes[0] : null;
},
get hasSelection() {
@@ -992,17 +288,17 @@ DownloadsPlacesView.prototype = {
// _addDownloadData may not add new elements if there were already
// data items in place.
if (elementsToAppendFragment.firstChild) {
this._appendDownloadsFragment(elementsToAppendFragment);
this._ensureVisibleElementsAreActive();
}
}
- goUpdateDownloadCommands();
+ DownloadsView.goUpdateCommands();
},
_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
@@ -1043,29 +339,16 @@ DownloadsPlacesView.prototype = {
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
@@ -1090,205 +373,26 @@ DownloadsPlacesView.prototype = {
this._richlistbox.selectedItem = firstDownloadElement;
this._richlistbox.currentItem = firstDownloadElement;
this._initiallySelectedElement = firstDownloadElement;
});
}
}
},
- 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":
- 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();
- 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 = this._richlistbox.selectedItems.map(element => 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).spec, name];
- }
- } catch (ex) {}
-
- return ["", ""];
- },
-
- _canDownloadClipboardURL() {
- let [url /* ,name */] = this._getURLFromClipboardData();
- return url != "";
- },
-
- _downloadURLFromClipboard() {
- let [url, name] = this._getURLFromClipboardData();
- let browserWin = RecentWindow.getMostRecentBrowserWindow();
- let initiatingDoc = browserWin ? browserWin.document : document;
- DownloadURL(url, name, initiatingDoc);
- },
-
- // nsIController
- doCommand(aCommand) {
- // Commands may be invoked with keyboard shortcuts even if disabled.
- if (!this.isCommandEnabled(aCommand)) {
- return;
- }
-
- // If this command is not selection-specific, execute it.
- if (aCommand in this) {
- this[aCommand]();
- return;
- }
-
- // Cloning the nodelist into an array to get a frozen list of selected items.
- // Otherwise, the selectedItems nodelist is live and doCommand may alter the
- // selection while we are trying to do one particular action, like removing
- // items from history.
- let selectedElements = [...this._richlistbox.selectedItems];
- for (let element of selectedElements) {
- element._shell.doCommand(aCommand);
- }
- },
-
- // nsIController
- onEvent() {},
-
- cmd_copy() {
- this._copySelectedDownloadsToClipboard();
- },
-
- cmd_selectAll() {
- this._richlistbox.selectAll();
- },
-
- cmd_paste() {
- this._downloadURLFromClipboard();
- },
-
- downloadsCmd_clearDownloads() {
- this._downloadsData.removeFinished();
- if (this.result) {
- Cc["@mozilla.org/browser/download-history;1"]
- .getService(Ci.nsIDownloadHistory)
- .removeAllDownloads();
- }
- // There may be no selection or focus change as a result
- // of these change, and we want the command updated immediately.
- goUpdateCommand("downloadsCmd_clearDownloads");
- },
-
onContextMenu(aEvent) {
let element = this._richlistbox.selectedItem;
if (!element || !element._shell) {
return false;
}
// Set the state attribute so that only the appropriate items are displayed.
let contextMenu = document.getElementById("downloadsContextMenu");
let download = element._shell.download;
- contextMenu.setAttribute("state",
- DownloadsCommon.stateOfDownload(download));
- contextMenu.setAttribute("exists", "true");
- contextMenu.classList.toggle("temporary-block",
- !!download.hasBlockedData);
-
- if (!download.stopped) {
- // The hasPartialData property of a download may change at any time after
- // it has started, so ensure we update the related command now.
- goUpdateCommand("downloadsCmd_pauseResume");
- }
+ gController.buildContextMenu(contextMenu, download);
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
@@ -1326,52 +430,28 @@ DownloadsPlacesView.prototype = {
}
},
onScroll() {
this._ensureVisibleElementsAreActive();
},
onSelect() {
- goUpdateDownloadCommands();
+ DownloadsView.goUpdateCommands();
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);
+ gController.setDataTransfer(aEvent);
},
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();
@@ -1400,20 +480,8 @@ DownloadsPlacesView.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);
-}