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1/* <copyright>
2 This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
3 No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
4 (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
5 </copyright> */
6/**
7 @module "montage/ui/rich-text-sanitizer.js"
8 @requires montage/core/core
9*/
10var Montage = require("montage").Montage,
11 Component = require("ui/component").Component
12
13/**
14 @class module:"montage/ui/shortcut-manager.js".ShortcutManager
15*/
16exports.ShortcutManager = Montage.create(Montage,/** @lends module:"montage/ui/shortcut-manager.js".ShortcutManager# */ {
17
18 /**
19 Description TODO
20 @private
21 */
22 _keydownListenerRegistered: {
23 enumerable: false,
24 value: false,
25 distinct: true
26 },
27
28 /**
29 Description TODO
30 @private
31 */
32 _modifiersMap: {
33 enumerable: false,
34 value: null
35 },
36
37 /**
38 Description TODO
39 @private
40 */
41 _keyNames: {
42 enumerable: false,
43 value: {
44 "BACKSPACE": 8,
45 "TAB": 9,
46 "ENTER": 13,
47 "ESCAPE": 27,
48 "PAGEUP": 33,
49 "PAGEDOWN": 34,
50 "END": 35,
51 "HOME": 36,
52 "LEFT": 37,
53 "UP": 38,
54 "RIGHT": 39,
55 "DOWN": 40,
56 "INSERT": 45,
57 "DELETE": 46
58 // TODO: Complete list...
59 }
60 },
61
62 /**
63 Description TODO
64 @private
65 */
66 _shortcutMap: {
67 enumerable: false,
68 value: {},
69 distinct: true
70 },
71
72 /**
73 Description TODO
74 @private
75 */
76 _target: {
77 enumerable: false,
78 value: null
79 },
80
81 /**
82 Description TODO
83 Use the shortcuts array to pre-define shortcuts in template, each shortcut is an object with a keys and action property
84 @private
85 */
86 target: {
87 enumerable: true,
88 set: function(target) {
89 this._target = target;
90 }
91 },
92
93 /**
94 Description TODO
95 Use the shortcuts array to pre-define shortcuts in template, each shortcut is an object with a keys and action property
96 @private
97 */
98 shortcuts: {
99 enumerable: true,
100 value: [],
101 distinct: true
102 },
103
104 /**
105 Description TODO
106 @type {Function}
107 */
108 deserializedFromTemplate: {
109 enumerable: false,
110 value : function() {
111 var shortcuts = this.shortcuts,
112 nbrShortcuts = shortcuts.length,
113 shortcut,
114 i;
115
116 for (i = 0; i < nbrShortcuts; i ++) {
117 shortcut = shortcuts[i];
118 this.addShortcut(shortcut.keys, shortcut.action);
119 }
120 }
121 },
122
123 /**
124 Description TODO
125 @type {Function}
126 */
127 addShortcut: {
128 enumerable: true,
129 value: function(keys, action) {
130 var target = this._target,
131 modifiersMap = this._modifiersMap,
132 shortcutMap = this._shortcutMap,
133 key,
134 nbrKeys,
135 modifiers = 0,
136 i;
137 // Make sure we have a valid target
138 if (!target || (typeof target != "object" || !target.element) && target != "document" && target != document) {
139 console.log("SHORTCUT MANAGER: You need to set a valid target (must be a component with an element) before you can register shortcut");
140 return;
141 }
142
143 // Initialize the modifiers map if needed
144 if (!modifiersMap) {
145 modifiersMap = {SHIFT: 1, CTRL: 2, ALT: 4, META: 8};
146 modifiersMap.CMD = window.navigator.userAgent.match(/\bmacintosh\b/i) ? modifiersMap.META : modifiersMap.CTRL;
147 this._modifiersMap = modifiersMap;
148 }
149
150 // Register keydown listener
151 if (!this._keydownListenerRegistered) {
152 if (target == "document" || target == document) {
153 document.addEventListener("keydown", this);
154 } else {
155 target.element.addEventListener("keydown", this);
156 }
157 this._keydownListenerRegistered = true;
158 }
159
160 // Convert the keys into a modifiers mask
161 keys = keys.split("+");
162 nbrKeys = keys.length;
163 for (i = 0; i < nbrKeys - 1; i ++) {
164 modifier = keys[i].toUpperCase();
165 if (this._modifiersMap[modifier]) {
166 modifiers += this._modifiersMap[modifier];
167 }
168 }
169
170 // Extra the final key
171 key = keys[nbrKeys - 1].toUpperCase();
172 if (this._keyNames[key] !== undefined) {
173 key = this._keyNames[key];
174 } else {
175 key = key.charCodeAt(0);
176 }
177
178 // Update the shortcutMap
179 if (shortcutMap[modifiers] === undefined) {
180 shortcutMap[modifiers] = {};
181 }
182 if (shortcutMap[modifiers][key] === undefined) {
183 shortcutMap[modifiers][key] = [action];
184 } else {
185 shortcutMap[modifiers][key].push(action);
186 }
187 }
188 },
189
190 /**
191 Description TODO
192 @type {Function}
193 */
194 removeShortcut: {
195 enumerable: true,
196 value : function() {
197 // TODO: Write Me
198 }
199 },
200
201 /**
202 Description TODO
203 @function
204 */
205 handleKeydown: {
206 enumerable: false,
207 value: function(event) {
208 var keyCode = event.keyCode,
209 shortcutMap = this._shortcutMap;
210 modifiers = event.shiftKey + (event.ctrlKey << 1) + (event.altKey << 2) + (event.metaKey << 3),
211 stopEvent = false;
212
213 // Check the shortcut map
214 if (this._shortcutMap[modifiers] && this._shortcutMap[modifiers][keyCode]) {
215 var handler = this.handler || this._target,
216 actions = this._shortcutMap[modifiers][keyCode],
217 nbrActions = actions.length,