1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/components/FilePicker.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,283 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +const Ci = Components.interfaces;
1.9 +const Cu = Components.utils;
1.10 +const Cc = Components.classes;
1.11 +
1.12 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.13 +Cu.import("resource://gre/modules/Services.jsm");
1.14 +Cu.import("resource://gre/modules/FileUtils.jsm");
1.15 +
1.16 +function FilePicker() {
1.17 +}
1.18 +
1.19 +FilePicker.prototype = {
1.20 + _mimeTypeFilter: 0,
1.21 + _extensionsFilter: "",
1.22 + _defaultString: "",
1.23 + _domWin: null,
1.24 + _defaultExtension: null,
1.25 + _displayDirectory: null,
1.26 + _filePath: null,
1.27 + _promptActive: false,
1.28 + _filterIndex: 0,
1.29 + _addToRecentDocs: false,
1.30 +
1.31 + init: function(aParent, aTitle, aMode) {
1.32 + this._domWin = aParent;
1.33 + this._mode = aMode;
1.34 + Services.obs.addObserver(this, "FilePicker:Result", false);
1.35 +
1.36 + let idService = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
1.37 + this.guid = idService.generateUUID().toString();
1.38 +
1.39 + if (aMode != Ci.nsIFilePicker.modeOpen && aMode != Ci.nsIFilePicker.modeOpenMultiple)
1.40 + throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
1.41 + },
1.42 +
1.43 + appendFilters: function(aFilterMask) {
1.44 + if (aFilterMask & Ci.nsIFilePicker.filterAudio) {
1.45 + this._mimeTypeFilter = "audio/*";
1.46 + return;
1.47 + }
1.48 +
1.49 + if (aFilterMask & Ci.nsIFilePicker.filterImages) {
1.50 + this._mimeTypeFilter = "image/*";
1.51 + return;
1.52 + }
1.53 +
1.54 + if (aFilterMask & Ci.nsIFilePicker.filterVideo) {
1.55 + this._mimeTypeFilter = "video/*";
1.56 + return;
1.57 + }
1.58 +
1.59 + if (aFilterMask & Ci.nsIFilePicker.filterAll) {
1.60 + this._mimeTypeFilter = "*/*";
1.61 + return;
1.62 + }
1.63 +
1.64 + /* From BaseFilePicker.cpp */
1.65 + if (aFilterMask & Ci.nsIFilePicker.filterHTML) {
1.66 + this.appendFilter("*.html; *.htm; *.shtml; *.xhtml");
1.67 + }
1.68 + if (aFilterMask & Ci.nsIFilePicker.filterText) {
1.69 + this.appendFilter("*.txt; *.text");
1.70 + }
1.71 +
1.72 + if (aFilterMask & Ci.nsIFilePicker.filterXML) {
1.73 + this.appendFilter("*.xml");
1.74 + }
1.75 +
1.76 + if (aFilterMask & Ci.nsIFilePicker.xulFilter) {
1.77 + this.appendFilter("*.xul");
1.78 + }
1.79 +
1.80 + if (aFilterMask & Ci.nsIFilePicker.xulFilter) {
1.81 + this.appendFilter("..apps");
1.82 + }
1.83 + },
1.84 +
1.85 + appendFilter: function(title, filter) {
1.86 + if (this._extensionsFilter)
1.87 + this._extensionsFilter += ", ";
1.88 + this._extensionsFilter += filter;
1.89 + },
1.90 +
1.91 + get defaultString() {
1.92 + return this._defaultString;
1.93 + },
1.94 +
1.95 + set defaultString(defaultString) {
1.96 + this._defaultString = defaultString;
1.97 + },
1.98 +
1.99 + get defaultExtension() {
1.100 + return this._defaultExtension;
1.101 + },
1.102 +
1.103 + set defaultExtension(defaultExtension) {
1.104 + this._defaultExtension = defaultExtension;
1.105 + },
1.106 +
1.107 + get filterIndex() {
1.108 + return this._filterIndex;
1.109 + },
1.110 +
1.111 + set filterIndex(val) {
1.112 + this._filterIndex = val;
1.113 + },
1.114 +
1.115 + get displayDirectory() {
1.116 + return this._displayDirectory;
1.117 + },
1.118 +
1.119 + set displayDirectory(dir) {
1.120 + this._displayDirectory = dir;
1.121 + },
1.122 +
1.123 + get file() {
1.124 + if (!this._filePath) {
1.125 + return null;
1.126 + }
1.127 +
1.128 + return new FileUtils.File(this._filePath);
1.129 + },
1.130 +
1.131 + get fileURL() {
1.132 + let file = this.getFile();
1.133 + return Services.io.newFileURI(file);
1.134 + },
1.135 +
1.136 + get files() {
1.137 + return this.getEnumerator([this.file], function(file) {
1.138 + return file;
1.139 + });
1.140 + },
1.141 +
1.142 + get domfile() {
1.143 + let f = this.file;
1.144 + if (!f) {
1.145 + return null;
1.146 + }
1.147 + return File(f);
1.148 + },
1.149 +
1.150 + get domfiles() {
1.151 + return this.getEnumerator([this.file], function(file) {
1.152 + return File(file);
1.153 + });
1.154 + },
1.155 +
1.156 + get addToRecentDocs() {
1.157 + return this._addToRecentDocs;
1.158 + },
1.159 +
1.160 + set addToRecentDocs(val) {
1.161 + this._addToRecentDocs = val;
1.162 + },
1.163 +
1.164 + get mode() {
1.165 + return this._mode;
1.166 + },
1.167 +
1.168 + show: function() {
1.169 + if (this._domWin) {
1.170 + this.fireDialogEvent(this._domWin, "DOMWillOpenModalDialog");
1.171 + let winUtils = this._domWin.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
1.172 + winUtils.enterModalState();
1.173 + }
1.174 +
1.175 + this._promptActive = true;
1.176 + this._sendMessage();
1.177 +
1.178 + let thread = Services.tm.currentThread;
1.179 + while (this._promptActive)
1.180 + thread.processNextEvent(true);
1.181 + delete this._promptActive;
1.182 +
1.183 + if (this._domWin) {
1.184 + let winUtils = this._domWin.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
1.185 + winUtils.leaveModalState();
1.186 + this.fireDialogEvent(this._domWin, "DOMModalDialogClosed");
1.187 + }
1.188 +
1.189 + if (this._filePath)
1.190 + return Ci.nsIFilePicker.returnOK;
1.191 +
1.192 + return Ci.nsIFilePicker.returnCancel;
1.193 + },
1.194 +
1.195 + open: function(callback) {
1.196 + this._callback = callback;
1.197 + this._sendMessage();
1.198 + },
1.199 +
1.200 + _sendMessage: function() {
1.201 + let msg = {
1.202 + type: "FilePicker:Show",
1.203 + guid: this.guid,
1.204 + };
1.205 +
1.206 + // Knowing the window lets us destroy any temp files when the tab is closed
1.207 + // Other consumers of the file picker may have to either wait for Android
1.208 + // to clean up the temp dir (not guaranteed) or clean up after themselves.
1.209 + let win = Services.wm.getMostRecentWindow('navigator:browser');
1.210 + let tab = win.BrowserApp.getTabForWindow(this._domWin.top)
1.211 + if (tab) {
1.212 + msg.tabId = tab.id;
1.213 + }
1.214 +
1.215 + if (!this._extensionsFilter && !this._mimeTypeFilter) {
1.216 + // If neither filters is set show anything we can.
1.217 + msg.mode = "mimeType";
1.218 + msg.mimeType = "*/*";
1.219 + } else if (this._extensionsFilter) {
1.220 + msg.mode = "extension";
1.221 + msg.extensions = this._extensionsFilter;
1.222 + } else {
1.223 + msg.mode = "mimeType";
1.224 + msg.mimeType = this._mimeTypeFilter;
1.225 + }
1.226 +
1.227 + this.sendMessageToJava(msg);
1.228 + },
1.229 +
1.230 + sendMessageToJava: function(aMsg) {
1.231 + Services.androidBridge.handleGeckoMessage(aMsg);
1.232 + },
1.233 +
1.234 + observe: function(aSubject, aTopic, aData) {
1.235 + let data = JSON.parse(aData);
1.236 + if (data.guid != this.guid)
1.237 + return;
1.238 +
1.239 + this._filePath = null;
1.240 + if (data.file)
1.241 + this._filePath = data.file;
1.242 +
1.243 + this._promptActive = false;
1.244 +
1.245 + if (this._callback) {
1.246 + this._callback.done(this._filePath ? Ci.nsIFilePicker.returnOK : Ci.nsIFilePicker.returnCancel);
1.247 + }
1.248 + delete this._callback;
1.249 + },
1.250 +
1.251 + getEnumerator: function(files, mapFunction) {
1.252 + return {
1.253 + QueryInterface: XPCOMUtils.generateQI([Ci.nsISimpleEnumerator]),
1.254 + mFiles: files,
1.255 + mIndex: 0,
1.256 + hasMoreElements: function() {
1.257 + return (this.mIndex < this.mFiles.length);
1.258 + },
1.259 + getNext: function() {
1.260 + if (this.mIndex >= this.mFiles.length) {
1.261 + throw Components.results.NS_ERROR_FAILURE;
1.262 + }
1.263 + return mapFunction(this.mFiles[this.mIndex++]);
1.264 + }
1.265 + };
1.266 + },
1.267 +
1.268 + fireDialogEvent: function(aDomWin, aEventName) {
1.269 + // accessing the document object can throw if this window no longer exists. See bug 789888.
1.270 + try {
1.271 + if (!aDomWin.document)
1.272 + return;
1.273 + let event = aDomWin.document.createEvent("Events");
1.274 + event.initEvent(aEventName, true, true);
1.275 + let winUtils = aDomWin.QueryInterface(Ci.nsIInterfaceRequestor)
1.276 + .getInterface(Ci.nsIDOMWindowUtils);
1.277 + winUtils.dispatchEventToChromeOnly(aDomWin, event);
1.278 + } catch(ex) {
1.279 + }
1.280 + },
1.281 +
1.282 + classID: Components.ID("{18a4e042-7c7c-424b-a583-354e68553a7f}"),
1.283 + QueryInterface: XPCOMUtils.generateQI([Ci.nsIFilePicker, Ci.nsIObserver])
1.284 +};
1.285 +
1.286 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FilePicker]);
