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141 lines
4.4 KiB
JavaScript
141 lines
4.4 KiB
JavaScript
/* -*- Mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is CapturePicker.js
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Kyle Huey <me@kylehuey.com>
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* Fabrice Desré <fabrice@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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function CapturePicker() {
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}
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CapturePicker.prototype = {
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_file: null,
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_mode: -1,
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_result: -1,
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_shown: false,
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_title: "",
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_type: "",
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_window: null,
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_done: null,
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//
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// nsICapturePicker
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//
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init: function(aWindow, aTitle, aMode) {
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this._window = aWindow;
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this._title = aTitle;
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this._mode = aMode;
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},
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show: function() {
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if (this._shown)
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throw Cr.NS_ERROR_UNEXPECTED;
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this._shown = true;
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this._file = null;
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this._done = false;
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Services.obs.addObserver(this, "cameraCaptureDone", false);
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let msg = { gecko: { type: "onCameraCapture" } };
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Cc["@mozilla.org/android/bridge;1"].getService(Ci.nsIAndroidBridge).handleGeckoMessage(JSON.stringify(msg));
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// we need to turn all the async messaging into a blocking call
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while (!this._done)
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Services.tm.currentThread.processNextEvent(true);
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if (this._res.ok) {
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this._file = this._res.path;
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// delete the file when exiting
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let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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file.initWithPath(this._res.path);
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Cc["@mozilla.org/uriloader/external-helper-app-service;1"].getService(Ci.nsPIExternalAppLauncher).deleteTemporaryFileOnExit(file);
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}
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return (this._res.ok ? Ci.nsICapturePicker.RETURN_OK : Ci.nsICapturePicker.RETURN_CANCEL);
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},
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observe: function(aObject, aTopic, aData) {
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Services.obs.removeObserver(this, "cameraCaptureDone");
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this._done = true;
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this._res = JSON.parse(aData);
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},
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modeMayBeAvailable: function(aMode) {
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if (aMode != Ci.nsICapturePicker.MODE_STILL)
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return false;
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return true;
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},
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get file() {
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if (this._file) {
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let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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file.initWithPath(this._file);
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let utils = this._window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
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return utils.wrapDOMFile(file);
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} else {
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throw Cr.NS_ERROR_FAILURE;
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}
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},
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get type() {
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return this._type;
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},
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set type(aNewType) {
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if (this._shown)
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throw Cr.NS_ERROR_UNEXPECTED;
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else
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this._type = aNewType;
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},
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// QI
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QueryInterface: XPCOMUtils.generateQI([Ci.nsICapturePicker, Ci.nsIObserver]),
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// XPCOMUtils factory
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classID: Components.ID("{cb5a47f0-b58c-4fc3-b61a-358ee95f8238}"),
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};
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var components = [ CapturePicker ];
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const NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
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