1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/chrome/content/downloads.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,298 @@
1.4 +// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +"use strict";
1.10 +
1.11 +let Cu = Components.utils;
1.12 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.13 +
1.14 +function dump(a) {
1.15 + Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService).logStringMessage(a);
1.16 +}
1.17 +
1.18 +XPCOMUtils.defineLazyModuleGetter(this, "Notifications",
1.19 + "resource://gre/modules/Notifications.jsm");
1.20 +
1.21 +const URI_GENERIC_ICON_DOWNLOAD = "drawable://alert_download";
1.22 +const URI_PAUSE_ICON = "drawable://pause";
1.23 +const URI_CANCEL_ICON = "drawable://close";
1.24 +const URI_RESUME_ICON = "drawable://play";
1.25 +
1.26 +
1.27 +XPCOMUtils.defineLazyModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
1.28 +
1.29 +var Downloads = {
1.30 + _initialized: false,
1.31 + _dlmgr: null,
1.32 + _progressAlert: null,
1.33 + _privateDownloads: [],
1.34 + _showingPrompt: false,
1.35 + _downloadsIdMap: {},
1.36 +
1.37 + _getLocalFile: function dl__getLocalFile(aFileURI) {
1.38 + // if this is a URL, get the file from that
1.39 + // XXX it's possible that using a null char-set here is bad
1.40 + const fileUrl = Services.io.newURI(aFileURI, null, null).QueryInterface(Ci.nsIFileURL);
1.41 + return fileUrl.file.clone().QueryInterface(Ci.nsILocalFile);
1.42 + },
1.43 +
1.44 + init: function dl_init() {
1.45 + if (this._initialized)
1.46 + return;
1.47 + this._initialized = true;
1.48 +
1.49 + // Monitor downloads and display alerts
1.50 + this._dlmgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
1.51 + this._progressAlert = new AlertDownloadProgressListener();
1.52 + this._dlmgr.addPrivacyAwareListener(this._progressAlert);
1.53 + Services.obs.addObserver(this, "last-pb-context-exited", true);
1.54 + },
1.55 +
1.56 + openDownload: function dl_openDownload(aDownload) {
1.57 + let fileUri = aDownload.target.spec;
1.58 + let guid = aDownload.guid;
1.59 + let f = this._getLocalFile(fileUri);
1.60 + try {
1.61 + f.launch();
1.62 + } catch (ex) {
1.63 + // in case we are not able to open the file (i.e. there is no app able to handle it)
1.64 + // we just open the browser tab showing it
1.65 + BrowserApp.addTab("about:downloads?id=" + guid);
1.66 + }
1.67 + },
1.68 +
1.69 + cancelDownload: function dl_cancelDownload(aDownload) {
1.70 + aDownload.cancel();
1.71 + let fileURI = aDownload.target.spec;
1.72 + let f = this._getLocalFile(fileURI);
1.73 +
1.74 + OS.File.remove(f.path);
1.75 + },
1.76 +
1.77 + showCancelConfirmPrompt: function dl_showCancelConfirmPrompt(aDownload) {
1.78 + if (this._showingPrompt)
1.79 + return;
1.80 + this._showingPrompt = true;
1.81 + // Open a prompt that offers a choice to cancel the download
1.82 + let title = Strings.browser.GetStringFromName("downloadCancelPromptTitle");
1.83 + let message = Strings.browser.GetStringFromName("downloadCancelPromptMessage");
1.84 + let flags = Services.prompt.BUTTON_POS_0 * Services.prompt.BUTTON_TITLE_YES +
1.85 + Services.prompt.BUTTON_POS_1 * Services.prompt.BUTTON_TITLE_NO;
1.86 + let choice = Services.prompt.confirmEx(null, title, message, flags,
1.87 + null, null, null, null, {});
1.88 + if (choice == 0)
1.89 + this.cancelDownload(aDownload);
1.90 + this._showingPrompt = false;
1.91 + },
1.92 +
1.93 + handleClickEvent: function dl_handleClickEvent(aDownload) {
1.94 + // Only open the downloaded file if the download is complete
1.95 + if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_FINISHED)
1.96 + this.openDownload(aDownload);
1.97 + else if (aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_DOWNLOADING ||
1.98 + aDownload.state == Ci.nsIDownloadManager.DOWNLOAD_PAUSED)
1.99 + this.showCancelConfirmPrompt(aDownload);
1.100 + },
1.101 +
1.102 + clickCallback: function dl_clickCallback(aDownloadId) {
1.103 + this._dlmgr.getDownloadByGUID(aDownloadId, (function(status, download) {
1.104 + if (Components.isSuccessCode(status))
1.105 + this.handleClickEvent(download);
1.106 + }).bind(this));
1.107 + },
1.108 +
1.109 + pauseClickCallback: function dl_buttonPauseCallback(aDownloadId) {
1.110 + this._dlmgr.getDownloadByGUID(aDownloadId, (function(status, download) {
1.111 + if (Components.isSuccessCode(status))
1.112 + download.pause();
1.113 + }).bind(this));
1.114 + },
1.115 +
1.116 + resumeClickCallback: function dl_buttonPauseCallback(aDownloadId) {
1.117 + this._dlmgr.getDownloadByGUID(aDownloadId, (function(status, download) {
1.118 + if (Components.isSuccessCode(status))
1.119 + download.resume();
1.120 + }).bind(this));
1.121 + },
1.122 +
1.123 + cancelClickCallback: function dl_buttonPauseCallback(aDownloadId) {
1.124 + this._dlmgr.getDownloadByGUID(aDownloadId, (function(status, download) {
1.125 + if (Components.isSuccessCode(status))
1.126 + this.cancelDownload(download);
1.127 + }).bind(this));
1.128 + },
1.129 +
1.130 + notificationCanceledCallback: function dl_notifCancelCallback(aId, aDownloadId) {
1.131 + let notificationId = this._downloadsIdMap[aDownloadId];
1.132 + if (notificationId && notificationId == aId)
1.133 + delete this._downloadsIdMap[aDownloadId];
1.134 + },
1.135 +
1.136 + createNotification: function dl_createNotif(aDownload, aOptions) {
1.137 + let notificationId = Notifications.create(aOptions);
1.138 + this._downloadsIdMap[aDownload.guid] = notificationId;
1.139 + },
1.140 +
1.141 + updateNotification: function dl_updateNotif(aDownload, aOptions) {
1.142 + let notificationId = this._downloadsIdMap[aDownload.guid];
1.143 + if (notificationId)
1.144 + Notifications.update(notificationId, aOptions);
1.145 + },
1.146 +
1.147 + cancelNotification: function dl_cleanNotif(aDownload) {
1.148 + Notifications.cancel(this._downloadsIdMap[aDownload.guid]);
1.149 + delete this._downloadsIdMap[aDownload.guid];
1.150 + },
1.151 +
1.152 + // observer for last-pb-context-exited
1.153 + observe: function dl_observe(aSubject, aTopic, aData) {
1.154 + let download;
1.155 + while ((download = this._privateDownloads.pop())) {
1.156 + try {
1.157 + let notificationId = aDownload.guid;
1.158 + Notifications.clear(notificationId);
1.159 + Downloads.removeNotification(download);
1.160 + } catch (e) {
1.161 + dump("Error removing private download: " + e);
1.162 + }
1.163 + }
1.164 + },
1.165 +
1.166 + QueryInterface: function (aIID) {
1.167 + if (!aIID.equals(Ci.nsISupports) &&
1.168 + !aIID.equals(Ci.nsIObserver) &&
1.169 + !aIID.equals(Ci.nsISupportsWeakReference))
1.170 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.171 + return this;
1.172 + }
1.173 +};
1.174 +
1.175 +const PAUSE_BUTTON = {
1.176 + buttonId: "pause",
1.177 + title : Strings.browser.GetStringFromName("alertDownloadsPause"),
1.178 + icon : URI_PAUSE_ICON,
1.179 + onClicked: function (aId, aCookie) {
1.180 + Downloads.pauseClickCallback(aCookie);
1.181 + }
1.182 +};
1.183 +
1.184 +const CANCEL_BUTTON = {
1.185 + buttonId: "cancel",
1.186 + title : Strings.browser.GetStringFromName("alertDownloadsCancel"),
1.187 + icon : URI_CANCEL_ICON,
1.188 + onClicked: function (aId, aCookie) {
1.189 + Downloads.cancelClickCallback(aCookie);
1.190 + }
1.191 +};
1.192 +
1.193 +const RESUME_BUTTON = {
1.194 + buttonId: "resume",
1.195 + title : Strings.browser.GetStringFromName("alertDownloadsResume"),
1.196 + icon: URI_RESUME_ICON,
1.197 + onClicked: function (aId, aCookie) {
1.198 + Downloads.resumeClickCallback(aCookie);
1.199 + }
1.200 +};
1.201 +
1.202 +function DownloadNotifOptions (aDownload, aTitle, aMessage) {
1.203 + this.icon = URI_GENERIC_ICON_DOWNLOAD;
1.204 + this.onCancel = function (aId, aCookie) {
1.205 + Downloads.notificationCanceledCallback(aId, aCookie);
1.206 + }
1.207 + this.onClick = function (aId, aCookie) {
1.208 + Downloads.clickCallback(aCookie);
1.209 + }
1.210 + this.title = aTitle;
1.211 + this.message = aMessage;
1.212 + this.buttons = null;
1.213 + this.cookie = aDownload.guid;
1.214 + this.persistent = true;
1.215 +}
1.216 +
1.217 +function DownloadProgressNotifOptions (aDownload, aButtons) {
1.218 + DownloadNotifOptions.apply(this, [aDownload, aDownload.displayName, aDownload.percentComplete + "%"]);
1.219 + this.ongoing = true;
1.220 + this.progress = aDownload.percentComplete;
1.221 + this.buttons = aButtons;
1.222 +}
1.223 +
1.224 +// AlertDownloadProgressListener is used to display progress in the alert notifications.
1.225 +function AlertDownloadProgressListener() { }
1.226 +
1.227 +AlertDownloadProgressListener.prototype = {
1.228 + //////////////////////////////////////////////////////////////////////////////
1.229 + //// nsIDownloadProgressListener
1.230 + onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress, aDownload) {
1.231 + let strings = Strings.browser;
1.232 + let availableSpace = -1;
1.233 + try {
1.234 + // diskSpaceAvailable is not implemented on all systems
1.235 + let availableSpace = aDownload.targetFile.diskSpaceAvailable;
1.236 + } catch(ex) { }
1.237 + let contentLength = aDownload.size;
1.238 + if (availableSpace > 0 && contentLength > 0 && contentLength > availableSpace) {
1.239 + Downloads.updateNotification(aDownload, new DownloadNotifOptions(aDownload,
1.240 + strings.GetStringFromName("alertDownloadsNoSpace"),
1.241 + strings.GetStringFromName("alertDownloadsSize")));
1.242 + aDownload.cancel();
1.243 + }
1.244 +
1.245 + if (aDownload.percentComplete == -1) {
1.246 + // Undetermined progress is not supported yet
1.247 + return;
1.248 + }
1.249 +
1.250 + Downloads.updateNotification(aDownload, new DownloadProgressNotifOptions(aDownload, [PAUSE_BUTTON, CANCEL_BUTTON]));
1.251 + },
1.252 +
1.253 + onDownloadStateChange: function(aState, aDownload) {
1.254 + let state = aDownload.state;
1.255 + switch (state) {
1.256 + case Ci.nsIDownloadManager.DOWNLOAD_QUEUED: {
1.257 + NativeWindow.toast.show(Strings.browser.GetStringFromName("alertDownloadsToast"), "long");
1.258 + Downloads.createNotification(aDownload, new DownloadNotifOptions(aDownload,
1.259 + Strings.browser.GetStringFromName("alertDownloadsStart2"),
1.260 + aDownload.displayName));
1.261 + break;
1.262 + }
1.263 + case Ci.nsIDownloadManager.DOWNLOAD_PAUSED: {
1.264 + Downloads.updateNotification(aDownload, new DownloadProgressNotifOptions(aDownload, [RESUME_BUTTON, CANCEL_BUTTON]));
1.265 + break;
1.266 + }
1.267 + case Ci.nsIDownloadManager.DOWNLOAD_FAILED:
1.268 + case Ci.nsIDownloadManager.DOWNLOAD_CANCELED:
1.269 + case Ci.nsIDownloadManager.DOWNLOAD_BLOCKED_PARENTAL:
1.270 + case Ci.nsIDownloadManager.DOWNLOAD_DIRTY:
1.271 + case Ci.nsIDownloadManager.DOWNLOAD_FINISHED: {
1.272 + Downloads.cancelNotification(aDownload);
1.273 + if (aDownload.isPrivate) {
1.274 + let index = Downloads._privateDownloads.indexOf(aDownload);
1.275 + if (index != -1) {
1.276 + Downloads._privateDownloads.splice(index, 1);
1.277 + }
1.278 + }
1.279 +
1.280 + if (state == Ci.nsIDownloadManager.DOWNLOAD_FINISHED) {
1.281 + Downloads.createNotification(aDownload, new DownloadNotifOptions(aDownload,
1.282 + Strings.browser.GetStringFromName("alertDownloadsDone2"),
1.283 + aDownload.displayName));
1.284 + }
1.285 + break;
1.286 + }
1.287 + }
1.288 + },
1.289 +
1.290 + onStateChange: function(aWebProgress, aRequest, aState, aStatus, aDownload) { },
1.291 + onSecurityChange: function(aWebProgress, aRequest, aState, aDownload) { },
1.292 +
1.293 + //////////////////////////////////////////////////////////////////////////////
1.294 + //// nsISupports
1.295 + QueryInterface: function (aIID) {
1.296 + if (!aIID.equals(Ci.nsIDownloadProgressListener) &&
1.297 + !aIID.equals(Ci.nsISupports))
1.298 + throw Components.results.NS_ERROR_NO_INTERFACE;
1.299 + return this;
1.300 + }
1.301 +};
