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Issue 9814030: get rid of old options pages (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: more fixes Created 8 years, 9 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 cr.define('options', function() {
6 var OptionsPage = options.OptionsPage;
7
8 /**
9 * AlertOverlay class
10 * Encapsulated handling of a generic alert.
11 * @class
12 */
13 function AlertOverlay() {
14 OptionsPage.call(this, 'alertOverlay', '', 'alertOverlay');
15 }
16
17 cr.addSingletonGetter(AlertOverlay);
18
19 AlertOverlay.prototype = {
20 // Inherit AlertOverlay from OptionsPage.
21 __proto__: OptionsPage.prototype,
22
23 /**
24 * Whether the page can be shown. Used to make sure the page is only
25 * shown via AlertOverlay.Show(), and not via the address bar.
26 * @private
27 */
28 canShow_: false,
29
30 /**
31 * Initialize the page.
32 */
33 initializePage: function() {
34 // Call base class implementation to start preference initialization.
35 OptionsPage.prototype.initializePage.call(this);
36
37 var self = this;
38 $('alertOverlayOk').onclick = function(event) {
39 self.handleOK_();
40 };
41
42 $('alertOverlayCancel').onclick = function(event) {
43 self.handleCancel_();
44 };
45 },
46
47 /**
48 * Handle the 'ok' button. Clear the overlay and call the ok callback if
49 * available.
50 * @private
51 */
52 handleOK_: function() {
53 OptionsPage.closeOverlay();
54 if (this.okCallback != undefined) {
55 this.okCallback.call();
56 }
57 },
58
59 /**
60 * Handle the 'cancel' button. Clear the overlay and call the cancel
61 * callback if available.
62 * @private
63 */
64 handleCancel_: function() {
65 OptionsPage.closeOverlay();
66 if (this.cancelCallback != undefined) {
67 this.cancelCallback.call();
68 }
69 },
70
71 /**
72 * The page is getting hidden. Don't let it be shown again.
73 */
74 willHidePage: function() {
75 canShow_ = false;
76 },
77
78 /** @inheritDoc */
79 canShowPage: function() {
80 return this.canShow_;
81 },
82 };
83
84 /**
85 * Show an alert overlay with the given message, button titles, and
86 * callbacks.
87 * @param {string} title The alert title to display to the user.
88 * @param {string} message The alert message to display to the user.
89 * @param {string} okTitle The title of the OK button. If undefined or empty,
90 * no button is shown.
91 * @param {string} cancelTitle The title of the cancel button. If undefined or
92 * empty, no button is shown.
93 * @param {function} okCallback A function to be called when the user presses
94 * the ok button. The alert window will be closed automatically. Can be
95 * undefined.
96 * @param {function} cancelCallback A function to be called when the user
97 * presses the cancel button. The alert window will be closed
98 * automatically. Can be undefined.
99 */
100 AlertOverlay.show = function(
101 title, message, okTitle, cancelTitle, okCallback, cancelCallback) {
102 if (title != undefined) {
103 $('alertOverlayTitle').textContent = title;
104 $('alertOverlayTitle').style.display = 'block';
105 } else {
106 $('alertOverlayTitle').style.display = 'none';
107 }
108
109 if (message != undefined) {
110 $('alertOverlayMessage').textContent = message;
111 $('alertOverlayMessage').style.display = 'block';
112 } else {
113 $('alertOverlayMessage').style.display = 'none';
114 }
115
116 if (okTitle != undefined && okTitle != '') {
117 $('alertOverlayOk').textContent = okTitle;
118 $('alertOverlayOk').style.display = 'block';
119 } else {
120 $('alertOverlayOk').style.display = 'none';
121 }
122
123 if (cancelTitle != undefined && cancelTitle != '') {
124 $('alertOverlayCancel').textContent = cancelTitle;
125 $('alertOverlayCancel').style.display = 'inline';
126 } else {
127 $('alertOverlayCancel').style.display = 'none';
128 }
129
130 var alertOverlay = AlertOverlay.getInstance();
131 alertOverlay.okCallback = okCallback;
132 alertOverlay.cancelCallback = cancelCallback;
133 alertOverlay.canShow_ = true;
134
135 // Intentionally don't show the URL in the location bar as we don't want
136 // people trying to navigate here by hand.
137 OptionsPage.showPageByName('alertOverlay', false);
138 }
139
140 // Export
141 return {
142 AlertOverlay: AlertOverlay
143 };
144 });
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