diff options
Diffstat (limited to 'application/palemoon/components/downloads/content/allDownloadsViewOverlay.js')
| -rw-r--r-- | application/palemoon/components/downloads/content/allDownloadsViewOverlay.js | 797 |
1 files changed, 385 insertions, 412 deletions
diff --git a/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js b/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js index 4983c422d..d756edf23 100644 --- a/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js +++ b/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js @@ -18,6 +18,7 @@ Cu.import("resource://gre/modules/NetUtil.jsm"); Cu.import("resource://gre/modules/DownloadUtils.jsm"); Cu.import("resource:///modules/DownloadsCommon.jsm"); Cu.import("resource://gre/modules/PlacesUtils.jsm"); +Cu.import("resource://gre/modules/Promise.jsm"); Cu.import("resource://gre/modules/osfile.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils", @@ -39,56 +40,145 @@ const DOWNLOAD_VIEW_SUPPORTED_COMMANDS = "downloadsCmd_openReferrer", "downloadsCmd_clearDownloads"]; /** + * Represents a download from the browser history. It implements part of the + * interface of the Download object. + * + * @param url + * URI string for the download source. + */ +function HistoryDownload(url) { + // TODO (bug 829201): history downloads should get the referrer from Places. + this.source = { url }; + this.target = { path: undefined, size: undefined }; +} + +HistoryDownload.prototype = { + /** + * This method mimicks the "start" method of session downloads, and is called + * when the user retries a history download. + */ + start() { + // In future we may try to download into the same original target uri, when + // we have it. Though that requires verifying the path is still valid and + // may surprise the user if he wants to be requested every time. + 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(); + }, +}; + +/** + * Represents a download from the browser history. It uses the same interface as + * the DownloadsDataItem object. + * + * @param aPlacesNode + * The Places node for the history download. + */ +function DownloadsHistoryDataItem(aPlacesNode) { + this.download = new HistoryDownload(aPlacesNode.uri); + + // 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; +} + +DownloadsHistoryDataItem.prototype = { + __proto__: DownloadsDataItem.prototype, + + /** + * Pushes information from Places metadata into this object. + */ + updateFromMetaData(aPlacesMetaData) { + try { + let targetFile = Cc["@mozilla.org/network/protocol;1?name=file"] + .getService(Ci.nsIFileProtocolHandler) + .getFileFromURLSpec(aPlacesMetaData.targetFileURISpec); + this.download.target.path = targetFile.path; + } catch (ex) { + this.download.target.path = undefined; + } + + try { + let metaData = JSON.parse(aPlacesMetaData.jsonDetails); + this.state = metaData.state; + this.endTime = metaData.endTime; + this.download.target.size = metaData.fileSize; + } catch (ex) { + // 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.state = this.download.target.path ? nsIDM.DOWNLOAD_FAILED + : nsIDM.DOWNLOAD_FINISHED; + this.download.target.size = undefined; + } + + // This property is currently used to get the size of downloads, but will be + // replaced by download.target.size when available for session downloads. + this.maxBytes = this.download.target.size; + + // This is not displayed for history downloads, that are never in progress. + this.percentComplete = 100; + }, +}; + +/** * A download element shell is responsible for handling the commands and the - * displayed data for a single download view element. The download element - * could represent either a past download (for which we get data from places) or - * a "session" download (using a data-item object. See DownloadsCommon.jsm), or both. + * displayed data for a single download view element. * - * Once initialized with either a data item or a places node, the created richlistitem - * can be accessed through the |element| getter, and can then be inserted/removed from - * a richlistbox. + * The shell may contain a session download, a history download, or both. When + * both a history and a current download are present, the current download gets + * priority and its information is displayed. * - * The shell doesn't take care of inserting the item, or removing it when it's no longer - * valid. That's the caller (a DownloadsPlacesView object) responsibility. + * 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 "passing over" notifications. The - * DownloadsPlacesView object implements onDataItemStateChanged and - * onDataItemChanged of the DownloadsView pseudo interface, and registers as a - * Places result observer. + * The caller is also responsible for forwarding status notifications for + * session downloads, calling the onStateChanged and onChanged methods. * - * @param [optional] aDataItem - * The data item of a the session download. Required if aPlacesNode is not set - * @param [optional] aPlacesNode - * The places node for a past download. Required if aDataItem is not set. - * @param [optional] aPlacesMetaData - * Object containing metadata from Places annotations values. - * This is required when a Places node is provided on construction. + * @param [optional] aSessionDataItem + * The session download, required if aHistoryDataItem is not set. + * @param [optional] aHistoryDataItem + * The history download, required if aSessionDataItem is not set. */ -function DownloadElementShell(aDataItem, aPlacesNode, aPlacesMetaData) { +function DownloadElementShell(aSessionDataItem, aHistoryDataItem) { this._element = document.createElement("richlistitem"); this._element._shell = this; this._element.classList.add("download"); this._element.classList.add("download-state"); - if (aDataItem) { - this.dataItem = aDataItem; + if (aSessionDataItem) { + this.sessionDataItem = aSessionDataItem; } - if (aPlacesNode) { - this.placesMetaData = aPlacesMetaData; - this.placesNode = aPlacesNode; + if (aHistoryDataItem) { + this.historyDataItem = aHistoryDataItem; } } DownloadElementShell.prototype = { - // The richlistitem for the download + /** + * The richlistitem for the download. + */ get element() this._element, /** - * Manages the "active" state of the shell. By default all the shells - * without a dataItem are inactive, thus their UI is not updated. They must - * be activated when entering the visible area. Session downloads are - * always active since they always have a dataItem. + * 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: function DES_ensureActive() { if (!this._active) { @@ -99,232 +189,185 @@ DownloadElementShell.prototype = { }, get active() !!this._active, - // The data item for the download - _dataItem: null, - get dataItem() this._dataItem, + /** + * Download or HistoryDownload object to use for displaying information and + * for executing commands in the user interface. + */ + get download() this.dataItem.download, + + /** + * DownloadsDataItem or DownloadsHistoryDataItem object to use for displaying + * information and for executing commands in the user interface. + */ + get dataItem() this._sessionDataItem || this._historyDataItem, + + _sessionDataItem: null, + get sessionDataItem() this._sessionDataItem, + set sessionDataItem(aValue) { + if (this._sessionDataItem != aValue) { + if (!aValue && !this._historyDataItem) { + throw new Error("Should always have either a dataItem or a historyDataItem"); + } - set dataItem(aValue) { - if (this._dataItem != aValue) { - if (!aValue && !this._placesNode) - throw new Error("Should always have either a dataItem or a placesNode"); + this._sessionDataItem = aValue; - this._dataItem = aValue; - if (!this.active) - this.ensureActive(); - else - this._updateUI(); + this.ensureActive(); + this._updateUI(); } return aValue; }, - _placesNode: null, - get placesNode() this._placesNode, - set placesNode(aValue) { - if (this._placesNode != aValue) { - if (!aValue && !this._dataItem) - throw new Error("Should always have either a dataItem or a placesNode"); + _historyDataItem: null, + get historyDataItem() this._historyDataItem, + set historyDataItem(aValue) { + if (this._historyDataItem != aValue) { + if (!aValue && !this._sessionDataItem) { + throw new Error("Should always have either a dataItem or a historyDataItem"); + } - this._placesNode = aValue; + this._historyDataItem = aValue; - // We don't need to update the UI if we had a data item, because + // 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._dataItem && this.active) + if (!this._sessionDataItem) { this._updateUI(); + } } return aValue; }, - // The download uri (as a string) - get downloadURI() { - if (this._dataItem) - return this._dataItem.download.source.url; - if (this._placesNode) - return this._placesNode.uri; - throw new Error("Unexpected download element state"); - }, - - get _downloadURIObj() { - if (!("__downloadURIObj" in this)) - this.__downloadURIObj = NetUtil.newURI(this.downloadURI); - return this.__downloadURIObj; + // The progressmeter element for the download + get _progressElement() { + if (!("__progressElement" in this)) { + this.__progressElement = + document.getAnonymousElementByAttribute(this._element, "anonid", + "progressmeter"); + } + return this.__progressElement; }, - _getIcon: function DES__getIcon() { - let metaData = this.getDownloadMetaData(); - if ("filePath" in metaData) - return "moz-icon://" + metaData.filePath + "?size=32"; - - if (this._placesNode) { - return "moz-icon://.unknown?size=32"; + _updateUI() { + // There is nothing to do if the item has always been invisible. + if (!this.active) { + return; } - // Assert unreachable. - if (this._dataItem) - throw new Error("Session-download items should always have a target file uri"); + // Since the state changed, we may need to check the target file again. + this._targetFileChecked = false; + + this._element.setAttribute("displayName", this.displayName); + this._element.setAttribute("extendedDisplayName", this.extendedDisplayName); + this._element.setAttribute("extendedDisplayNameTip", this.extendedDisplayNameTip); + this._element.setAttribute("image", this.image); - throw new Error("Unexpected download element state"); + this._updateActiveStatusUI(); }, - _fetchTargetFileInfo: function DES__fetchTargetFileInfo(aUpdateMetaDataAndStatusUI = false) { - if (this._targetFileInfoFetched) - throw new Error("_fetchTargetFileInfo should not be called if the information was already fetched"); + // Updates the download state attribute (and by that hide/unhide the + // appropriate buttons and context menu items), the status text label, + // and the progress meter. + _updateActiveStatusUI() { if (!this.active) - throw new Error("Trying to _fetchTargetFileInfo on an inactive download shell"); - - let path = this.getDownloadMetaData().filePath; - - // In previous version, the target file annotations were not set, - // so we cannot tell where is the file. - if (path === undefined) { - this._targetFileInfoFetched = true; - this._targetFileExists = false; - if (aUpdateMetaDataAndStatusUI) { - this._metaData = null; - this._updateDownloadStatusUI(); - } - // Here we don't need to update the download commands, - // as the state is unknown as it was. + throw new Error("_updateActiveStatusUI called for an inactive item."); + + this._element.setAttribute("state", this.dataItem.state); + this._element.setAttribute("status", this.statusText); + + // We have update the progress meter only for session downloads. + if (!this._sessionDataItem) { return; } - OS.File.stat(path).then( - function onSuccess(fileInfo) { - this._targetFileInfoFetched = true; - this._targetFileExists = true; - this._targetFileSize = fileInfo.size; - if (aUpdateMetaDataAndStatusUI) { - this._metaData = null; - this._updateDownloadStatusUI(); - } - if (this._element.selected) - goUpdateDownloadCommands(); - }.bind(this), - - function onFailure(reason) { - if (reason instanceof OS.File.Error && reason.becauseNoSuchFile) { - this._targetFileInfoFetched = true; - this._targetFileExists = false; - } - else { - Cu.reportError("Could not fetch info for target file (reason: " + - reason + ")"); - } - - if (aUpdateMetaDataAndStatusUI) { - this._metaData = null; - this._updateDownloadStatusUI(); - } + // Copied from updateProgress in downloads.js. + if (this.dataItem.starting) { + // Before the download starts, the progress meter has its initial value. + this._element.setAttribute("progressmode", "normal"); + this._element.setAttribute("progress", "0"); + } else if (this.dataItem.state == nsIDM.DOWNLOAD_SCANNING || + this.dataItem.percentComplete == -1) { + // We might not know the progress of a running download, and we don't know + // the remaining time during the malware scanning phase. + this._element.setAttribute("progressmode", "undetermined"); + } else { + // This is a running download of which we know the progress. + this._element.setAttribute("progressmode", "normal"); + this._element.setAttribute("progress", this.dataItem.percentComplete); + } - if (this._element.selected) - goUpdateDownloadCommands(); - }.bind(this) - ); + // Dispatch the ValueChange event for accessibility, if possible. + if (this._progressElement) { + let event = document.createEvent("Events"); + event.initEvent("ValueChange", true, true); + this._progressElement.dispatchEvent(event); + } }, /** - * Retrieve the meta data object for the download. The following fields - * may be set. - * - * - state - any download state defined in nsIDownloadManager. If this field - * is not set, the download state is unknown. - * - endTime: the end time of the download. - * - filePath: the downloaded file path on the file system, when it - * was downloaded. The file may not exist. This is set for session - * downloads that have a local file set, and for history downloads done - * after the landing of bug 591289. - * - fileName: the downloaded file name on the file system. Set if filePath - * is set. - * - displayName: the user-facing label for the download. This is always - * set. If available, it's set to the downloaded file name. If not, this - * means the download does not have Places metadata because it is very old, - * and in this rare case the download uri is used. - * - fileSize (only set for downloads which completed successfully): - * the downloaded file size. For downloads done after the landing of - * bug 826991, this value is "static" - that is, it does not necessarily - * mean that the file is in place and has this size. + * URI string for the file type icon displayed in the download element. */ - getDownloadMetaData: function DES_getDownloadMetaData() { - if (!this._metaData) { - if (this._dataItem) { - let leafName = OS.Path.basename(this._dataItem.download.target.path); - let s = DownloadsCommon.strings; - let referrer = this.dataItem.download.source.referrer || - this.dataItem.download.source.url; - let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer); - this._metaData = { - state: this._dataItem.state, - endTime: this._dataItem.endTime, - fileName: leafName, - displayName: leafName, - extendedDisplayName: s.statusSeparator(leafName, displayHost), - extendedDisplayNameTip: s.statusSeparator(leafName, fullHost) - }; - if (this._dataItem.done) - this._metaData.fileSize = this._dataItem.maxBytes; - this._metaData.filePath = this._dataItem.download.target.path; - } - else { - try { - this._metaData = JSON.parse(this.placesMetaData.jsonDetails); - } - catch(ex) { - this._metaData = { }; - if (this._targetFileInfoFetched && this._targetFileExists) { - // For very old downloads without metadata, we assume that a zero - // byte file is a placeholder, and allow the download to restart. - this._metaData.state = this._targetFileSize > 0 - ? nsIDM.DOWNLOAD_FINISHED - : nsIDM.DOWNLOAD_FAILED; - this._metaData.fileSize = this._targetFileSize; - } - - // This is actually the start-time, but it's the best we can get. - this._metaData.endTime = this._placesNode.time / 1000; - } - - try { - let targetFile = Cc["@mozilla.org/network/protocol;1?name=file"] - .getService(Ci.nsIFileProtocolHandler) - .getFileFromURLSpec(this.placesMetaData - .targetFileURISpec); - this._metaData.filePath = targetFile.path; - this._metaData.fileName = targetFile.leafName; - this._metaData.displayName = targetFile.leafName; - } - catch(ex) { - this._metaData.displayName = this.downloadURI; - } - } + get image() { + if (this.download.target.path) { + return "moz-icon://" + this.download.target.path + "?size=32"; } - return this._metaData; + + // Old history downloads may not have a target path. + return "moz-icon://.unknown?size=32"; }, // The status text for the download - _getStatusText: function DES__getStatusText() { + /** + * The user-facing label for the download. This is normally the leaf name of + * download target file. In case this is a very old history download for + * which the target file is unknown, the download source URI is displayed. + */ + get displayName() { + if (!this.download.target.path) { + return this.download.source.url; + } + return OS.Path.basename(this.download.target.path); + }, + + get extendedDisplayName() { + let s = DownloadsCommon.strings; + let referrer = this.dataItem.download.source.referrer || + this.dataItem.download.source.url; + let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer); + return s.statusSeparator(this.displayName, displayHost); + }, + + get extendedDisplayNameTip() { let s = DownloadsCommon.strings; - if (this._dataItem && this._dataItem.inProgress) { - if (this._dataItem.paused) { + let referrer = this.dataItem.download.source.referrer || + this.dataItem.download.source.url; + let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer); + return s.statusSeparator(this.displayName, fullHost); + }, + + get statusText() { + let s = DownloadsCommon.strings; + if (this.dataItem.inProgress) { + if (this.dataItem.paused) { let transfer = - DownloadUtils.getTransferTotal(this._dataItem.download.currentBytes, - this._dataItem.maxBytes); + DownloadUtils.getTransferTotal(this.download.currentBytes, + this.dataItem.maxBytes); // We use the same XUL label to display both the state and the amount // transferred, for example "Paused - 1.1 MB". return s.statusSeparatorBeforeNumber(s.statePaused, transfer); } - if (this._dataItem.state == nsIDM.DOWNLOAD_DOWNLOADING) { + if (this.dataItem.state == nsIDM.DOWNLOAD_DOWNLOADING) { let [status, newEstimatedSecondsLeft] = - DownloadUtils.getDownloadStatus(this.dataItem.download.currentBytes, + DownloadUtils.getDownloadStatus(this.download.currentBytes, this.dataItem.maxBytes, - this.dataItem.download.speed, + this.download.speed, this._lastEstimatedSecondsLeft || Infinity); this._lastEstimatedSecondsLeft = newEstimatedSecondsLeft; return status; } - if (this._dataItem.starting) { + if (this.dataItem.starting) { return s.stateStarting; } - if (this._dataItem.state == nsIDM.DOWNLOAD_SCANNING) { + if (this.dataItem.state == nsIDM.DOWNLOAD_SCANNING) { return s.stateScanning; } @@ -333,8 +376,7 @@ DownloadElementShell.prototype = { // This is a not-in-progress or history download. let stateLabel = ""; - let state = this.getDownloadMetaData().state; - switch (state) { + switch (this.dataItem.state) { case nsIDM.DOWNLOAD_FAILED: stateLabel = s.stateFailed; break; @@ -350,27 +392,25 @@ DownloadElementShell.prototype = { case nsIDM.DOWNLOAD_DIRTY: stateLabel = s.stateDirty; break; - case nsIDM.DOWNLOAD_FINISHED:{ + case nsIDM.DOWNLOAD_FINISHED: // For completed downloads, show the file size (e.g. "1.5 MB") - let metaData = this.getDownloadMetaData(); - if ("fileSize" in metaData) { - let [size, unit] = DownloadUtils.convertByteUnits(metaData.fileSize); + if (this.dataItem.maxBytes !== undefined) { + let [size, unit] = + DownloadUtils.convertByteUnits(this.dataItem.maxBytes); stateLabel = s.sizeWithUnits(size, unit); break; } // Fallback to default unknown state. - } default: stateLabel = s.sizeUnknown; break; } - // TODO (bug 829201): history downloads should get the referrer from Places. - let referrer = this._dataItem && this._dataItem.download.source.referrer || - this.downloadURI; + let referrer = this.download.source.referrer || + this.download.source.url; let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer); - let date = new Date(this.getDownloadMetaData().endTime); + let date = new Date(this.dataItem.endTime); let [displayDate, fullDate] = DownloadUtils.getReadableDates(date); // We use the same XUL label to display the state, the host name, and the @@ -379,99 +419,17 @@ DownloadElementShell.prototype = { return s.statusSeparator(firstPart, displayDate); }, - // The progressmeter element for the download - get _progressElement() { - if (!("__progressElement" in this)) { - this.__progressElement = - document.getAnonymousElementByAttribute(this._element, "anonid", - "progressmeter"); - } - return this.__progressElement; - }, - - // Updates the download state attribute (and by that hide/unhide the - // appropriate buttons and context menu items), the status text label, - // and the progress meter. - _updateDownloadStatusUI: function DES__updateDownloadStatusUI() { - if (!this.active) - throw new Error("_updateDownloadStatusUI called for an inactive item."); - - let state = this.getDownloadMetaData().state; - if (state !== undefined) - this._element.setAttribute("state", state); - - this._element.setAttribute("status", this._getStatusText()); - - // For past-downloads, we're done. For session-downloads, we may also need - // to update the progress-meter. - if (!this._dataItem) - return; - - // Copied from updateProgress in downloads.js. - if (this._dataItem.starting) { - // Before the download starts, the progress meter has its initial value. - this._element.setAttribute("progressmode", "normal"); - this._element.setAttribute("progress", "0"); - } - else if (this._dataItem.state == nsIDM.DOWNLOAD_SCANNING || - this._dataItem.percentComplete == -1) { - // We might not know the progress of a running download, and we don't know - // the remaining time during the malware scanning phase. - this._element.setAttribute("progressmode", "undetermined"); - } - else { - // This is a running download of which we know the progress. - this._element.setAttribute("progressmode", "normal"); - this._element.setAttribute("progress", this._dataItem.percentComplete); - } - - // Dispatch the ValueChange event for accessibility, if possible. - if (this._progressElement) { - let event = document.createEvent("Events"); - event.initEvent("ValueChange", true, true); - this._progressElement.dispatchEvent(event); - } - }, - - _updateUI: function DES__updateUI() { - if (!this.active) - throw new Error("Trying to _updateUI on an inactive download shell"); - - this._metaData = null; - this._targetFileInfoFetched = false; - - let metaData = this.getDownloadMetaData(); - this._element.setAttribute("displayName", metaData.displayName); - if ("extendedDisplayName" in metaData) - this._element.setAttribute("extendedDisplayName", metaData.extendedDisplayName); - if ("extendedDisplayNameTip" in metaData) - this._element.setAttribute("extendedDisplayNameTip", metaData.extendedDisplayNameTip); - this._element.setAttribute("image", this._getIcon()); - - // For history downloads done in past releases, the downloads/metaData - // annotation is not set, and therefore we cannot tell the download - // state without the target file information. - if (this._dataItem || this.getDownloadMetaData().state !== undefined) - this._updateDownloadStatusUI(); - else - this._fetchTargetFileInfo(true); - }, - - onStateChanged(aOldState) { - let metaData = this.getDownloadMetaData(); - metaData.state = this.dataItem.state; - if (aOldState != nsIDM.DOWNLOAD_FINISHED && aOldState != metaData.state) { - // See comment in DVI_onStateChange in downloads.js (the panel-view) - this._element.setAttribute("image", this._getIcon() + "&state=normal"); - metaData.fileSize = this._dataItem.maxBytes; - if (this._targetFileInfoFetched) { - this._targetFileInfoFetched = false; - this._fetchTargetFileInfo(); - } + onStateChanged() { + // If a download just finished successfully, it means that the target file + // now exists and we can extract its specific icon. To ensure that the icon + // is reloaded, we must change the URI used by the XUL image element, for + // example by adding a query parameter. Since this URI has a "moz-icon" + // scheme, this only works if we add one of the parameters explicitly + // supported by the nsIMozIconURI interface. + if (this.dataItem.state == nsIDM.DOWNLOAD_FINISHED) { + this._element.setAttribute("image", this.image + "&state=normal"); } - this._updateDownloadStatusUI(); - if (this._element.selected) goUpdateDownloadCommands(); else @@ -479,7 +437,7 @@ DownloadElementShell.prototype = { }, onChanged() { - this._updateDownloadStatusUI(); + this._updateActiveStatusUI(); }, /* nsIController */ @@ -488,112 +446,97 @@ DownloadElementShell.prototype = { if (!this.active && aCommand != "cmd_delete") return false; switch (aCommand) { - case "downloadsCmd_open": { + case "downloadsCmd_open": // We cannot open a session download file unless it's succeeded. // If it's succeeded, we need to make sure the file was not removed, // as we do for past downloads. - if (this._dataItem && !this._dataItem.download.succeeded) { + if (this._sessionDataItem && !this.download.succeeded) { return false; + } - if (this._targetFileInfoFetched) + if (this._targetFileChecked) { return this._targetFileExists; + } // If the target file information is not yet fetched, // temporarily assume that the file is in place. - return this.getDownloadMetaData().state == nsIDM.DOWNLOAD_FINISHED; - } - case "downloadsCmd_show": { + return this.dataItem.state == nsIDM.DOWNLOAD_FINISHED; + case "downloadsCmd_show": // TODO: Bug 827010 - Handle part-file asynchronously. - if (this._dataItem && - this._dataItem.partFile && this._dataItem.partFile.exists()) + if (this._sessionDataItem && + this.dataItem.partFile && this.dataItem.partFile.exists()) { return true; + } - if (this._targetFileInfoFetched) + if (this._targetFileChecked) { return this._targetFileExists; + } // If the target file information is not yet fetched, // temporarily assume that the file is in place. - return this.getDownloadMetaData().state == nsIDM.DOWNLOAD_FINISHED; - } + return this.dataItem.state == nsIDM.DOWNLOAD_FINISHED; case "downloadsCmd_pauseResume": - return this._dataItem && this._dataItem.inProgress && - this._dataItem.download.hasPartialData; + return this._sessionDataItem && this.dataItem.inProgress && + this.dataItem.download.hasPartialData; case "downloadsCmd_retry": - // An history download can always be retried. - return !this._dataItem || this._dataItem.canRetry; + return this.dataItem.canRetry; case "downloadsCmd_openReferrer": - return this._dataItem && !!this._dataItem.download.source.referrer; + return !!this.download.source.referrer; case "cmd_delete": // The behavior in this case is somewhat unexpected, so we disallow that. - if (this._placesNode && this._dataItem && this._dataItem.inProgress) - return false; - return true; + return !this.dataItem.inProgress; case "downloadsCmd_cancel": - return this._dataItem != null; + return !!this._sessionDataItem; } return false; }, - _retryAsHistoryDownload: function DES__retryAsHistoryDownload() { - // In future we may try to download into the same original target uri, when - // we have it. Though that requires verifying the path is still valid and - // may surprise the user if he wants to be requested every time. - let browserWin = RecentWindow.getMostRecentBrowserWindow(); - let initiatingDoc = browserWin ? browserWin.document : document; - DownloadURL(this.downloadURI, this.getDownloadMetaData().fileName, - initiatingDoc); - }, - /* nsIController */ doCommand: function DES_doCommand(aCommand) { switch (aCommand) { case "downloadsCmd_open": { - let file = new FileUtils.File(this._dataItem - ? this._dataItem.download.target.path - : this.getDownloadMetaData().filePath); - + let file = new FileUtils.File(this.download.target.path); DownloadsCommon.openDownloadedFile(file, null, window); break; } case "downloadsCmd_show": { - let file = new FileUtils.File(this._dataItem - ? this._dataItem.download.target.path - : this.getDownloadMetaData().filePath); - + let file = new FileUtils.File(this.download.target.path); DownloadsCommon.showDownloadedFile(file); break; } case "downloadsCmd_openReferrer": { - openURL(this._dataItem.download.source.referrer); + openURL(this.download.source.referrer); break; } case "downloadsCmd_cancel": { - this._dataItem.download.cancel().catch(() => {}); - this._dataItem.download.removePartialData().catch(Cu.reportError); + this.download.cancel().catch(() => {}); + this.download.removePartialData().catch(Cu.reportError); break; } case "cmd_delete": { - if (this._dataItem) + if (this._sessionDataItem) { Downloads.getList(Downloads.ALL) - .then(list => list.remove(this._dataItem.download)) - .then(() => this._dataItem.download.finalize(true)) + .then(list => list.remove(this.download)) + .then(() => this.download.finalize(true)) .catch(Cu.reportError); - if (this._placesNode) - PlacesUtils.bhistory.removePage(this._downloadURIObj); + } + if (this._historyDataItem) { + let uri = NetUtil.newURI(this.download.source.url); + PlacesUtils.bhistory.removePage(uri); + } break; - } + } case "downloadsCmd_retry": { - if (this._dataItem) - this._dataItem.download.start().catch(() => {}); - else - this._retryAsHistoryDownload(); + // Errors when retrying are already reported as download failures. + this.download.start().catch(() => {}); break; } case "downloadsCmd_pauseResume": { - if (this._dataItem.download.stopped) { - this._dataItem.download.start(); + // This command is only enabled for session downloads. + if (this.download.stopped) { + this.download.start(); } else { - this._dataItem.download.cancel(); + this.download.cancel(); } break; } @@ -607,8 +550,8 @@ DownloadElementShell.prototype = { if (!aTerm) return true; aTerm = aTerm.toLowerCase(); - return this.getDownloadMetaData().displayName.toLowerCase().includes(aTerm) || - this.downloadURI.toLowerCase().includes(aTerm); + return this.displayName.toLowerCase().contains(aTerm) || + this.download.source.url.toLowerCase().contains(aTerm); }, // Handles return keypress on the element (the keypress listener is @@ -635,25 +578,47 @@ DownloadElementShell.prototype = { } return ""; } - let command = getDefaultCommandForState(this.getDownloadMetaData().state); + let command = getDefaultCommandForState(this.dataItem.state); if (command && this.isCommandEnabled(command)) this.doCommand(command); }, /** - * At the first time an item is selected, we don't yet have - * the target file information. Thus the call to goUpdateDownloadCommands - * in DPV_onSelect would result in best-guess enabled/disabled result. - * That way we let the user perform command immediately. However, once - * we have the target file information, we can update the commands - * appropriately (_fetchTargetFileInfo() calls goUpdateDownloadCommands). + * 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: function DES_onSelect() { if (!this.active) return; - if (!this._targetFileInfoFetched) - this._fetchTargetFileInfo(); - } + + // 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 { + this._targetFileExists = yield OS.File.exists(this.download.target.path); + } 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(); + } + }), }; /** @@ -876,9 +841,9 @@ DownloadsPlacesView.prototype = { // and create another shell. shouldCreateShell = true; for (let shell of shellsForURI) { - if (!shell.dataItem) { + if (!shell.sessionDataItem) { shouldCreateShell = false; - shell.dataItem = aDataItem; + shell.sessionDataItem = aDataItem; newOrUpdatedShell = shell; this._viewItemsForDataItems.set(aDataItem, shell); break; @@ -890,10 +855,14 @@ DownloadsPlacesView.prototype = { // 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 metaData = aPlacesNode - ? this._getCachedPlacesMetaDataFor(aPlacesNode.uri) - : null; - let shell = new DownloadElementShell(aDataItem, aPlacesNode, metaData); + let historyDataItem = null; + if (aPlacesNode) { + let metaData = this._getCachedPlacesMetaDataFor(aPlacesNode.uri); + historyDataItem = new DownloadsHistoryDataItem(aPlacesNode); + historyDataItem.updateFromMetaData(metaData); + } + let shell = new DownloadElementShell(aDataItem, historyDataItem); + shell.element._placesNode = aPlacesNode; newOrUpdatedShell = shell; shellsForURI.add(shell); if (aDataItem) @@ -912,8 +881,11 @@ DownloadsPlacesView.prototype = { // 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.placesNode != aPlacesNode) - shell.placesNode = aPlacesNode; + if (!shell.historyDataItem) { + // Create the element to host the metadata when needed. + shell.historyDataItem = new DownloadsHistoryDataItem(aPlacesNode); + } + shell.element._placesNode = aPlacesNode; } } @@ -980,8 +952,8 @@ DownloadsPlacesView.prototype = { let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI); if (shellsForURI) { for (let shell of shellsForURI) { - if (shell.dataItem) { - shell.placesNode = null; + if (shell.sessionDataItem) { + shell.historyDataItem = null; } else { this._removeElement(shell.element); @@ -1008,7 +980,7 @@ DownloadsPlacesView.prototype = { // 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.placesNode) { + if (shells.size > 1 || !shell.historyDataItem) { this._removeElement(shell.element); shells.delete(shell); if (shells.size == 0) @@ -1020,8 +992,10 @@ DownloadsPlacesView.prototype = { // 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. - shell.placesMetaData = this._getPlacesMetaDataFor(shell.placesNode.uri); - shell.dataItem = null; + let url = shell.historyDataItem.download.source.url; + let metaData = this._getPlacesMetaDataFor(url); + shell.historyDataItem.updateFromMetaData(metaData); + shell.sessionDataItem = null; // Move it below the session-download items; if (this._lastSessionDownloadElement == shell.element) { this._lastSessionDownloadElement = shell.element.previousSibling; @@ -1129,13 +1103,9 @@ DownloadsPlacesView.prototype = { }, get selectedNodes() { - let placesNodes = []; - let selectedElements = this._richlistbox.selectedItems; - for (let elt of selectedElements) { - if (elt._shell.placesNode) - placesNodes.push(elt._shell.placesNode); - } - return placesNodes; + return [for (element of this._richlistbox.selectedItems) + if (element._placesNode) + element._placesNode]; }, get selectedNode() { @@ -1171,8 +1141,9 @@ DownloadsPlacesView.prototype = { // 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._shell.placesNode) - this._removeHistoryDownloadFromView(element._shell.placesNode); + if (element._placesNode) { + this._removeHistoryDownloadFromView(element._placesNode); + } } } finally { @@ -1306,8 +1277,8 @@ DownloadsPlacesView.prototype = { }, // DownloadsView - onDataItemStateChanged(aDataItem, aOldState) { - this._viewItemsForDataItems.get(aDataItem).onStateChanged(aOldState); + onDataItemStateChanged(aDataItem) { + this._viewItemsForDataItems.get(aDataItem).onStateChanged(); }, // DownloadsView @@ -1356,8 +1327,9 @@ DownloadsPlacesView.prototype = { // 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) { - if (elt._shell.placesNode || !elt._shell.dataItem.inProgress) + if (!elt._shell.dataItem.inProgress) { return true; + } } return false; }, @@ -1365,10 +1337,11 @@ DownloadsPlacesView.prototype = { _copySelectedDownloadsToClipboard: function DPV__copySelectedDownloadsToClipboard() { let urls = [for (element of this._richlistbox.selectedItems) - element._shell.downloadURI]; + element._shell.download.source.url]; - Cc["@mozilla.org/widget/clipboardhelper;1"]. - getService(Ci.nsIClipboardHelper).copyString(urls.join("\n")); + Cc["@mozilla.org/widget/clipboardhelper;1"] + .getService(Ci.nsIClipboardHelper) + .copyString(urls.join("\n"), document); }, _getURLFromClipboardData: function DPV__getURLFromClipboardData() { @@ -1456,11 +1429,8 @@ DownloadsPlacesView.prototype = { // Set the state attribute so that only the appropriate items are displayed. let contextMenu = document.getElementById("downloadsContextMenu"); - let state = element._shell.getDownloadMetaData().state; - if (state !== undefined) - contextMenu.setAttribute("state", state); - else - contextMenu.removeAttribute("state"); + let state = element._shell.dataItem.state; + contextMenu.setAttribute("state", state); if (state == nsIDM.DOWNLOAD_DOWNLOADING) { // The resumable property of a download may change at any time, so @@ -1525,10 +1495,13 @@ DownloadsPlacesView.prototype = { if (!selectedItem) return; - let metaData = selectedItem._shell.getDownloadMetaData(); - if (!("filePath" in metaData)) + let targetPath = selectedItem._shell.download.target.path; + if (!targetPath) { return; - let file = new FileUtils.File(metaData.filePath); + } + + // We must check for existence synchronously because this is a DOM event. + let file = new FileUtils.File(targetPath); if (!file.exists()) return; |