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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 cr.define('extensions', function() { | 5 cr.define('extensions', function() { |
6 'use strict'; | 6 'use strict'; |
7 | 7 |
8 /** | 8 /** |
9 * The ExtensionOptionsOverlay will show an extension's options page using | 9 * The ExtensionOptionsOverlay will show an extension's options page using |
10 * an <extensionoptions> element. | 10 * an <extensionoptions> element. |
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42 | 42 |
43 /** | 43 /** |
44 * Handles a click on the close button. | 44 * Handles a click on the close button. |
45 * @param {Event} e The click event. | 45 * @param {Event} e The click event. |
46 * @private | 46 * @private |
47 */ | 47 */ |
48 handleDismiss_: function(event) { | 48 handleDismiss_: function(event) { |
49 this.setVisible_(false); | 49 this.setVisible_(false); |
50 var extensionoptions = document.querySelector('extensionoptions'); | 50 var extensionoptions = document.querySelector('extensionoptions'); |
51 if (extensionoptions) | 51 if (extensionoptions) |
52 $('extension-options-overlay-guest').removeChild(extensionoptions); | 52 $('extension-options-overlay').removeChild(extensionoptions); |
53 }, | 53 }, |
54 | 54 |
55 /** | 55 /** |
56 * Associate an extension with the overlay and display it. | 56 * Associate an extension with the overlay and display it. |
57 * @param {string} extensionId The id of the extension whose options page | 57 * @param {string} extensionId The id of the extension whose options page |
58 * should be displayed in the overlay. | 58 * should be displayed in the overlay. |
59 * @param {string} extensionName The name of the extension, which is used | 59 * @param {string} extensionName The name of the extension, which is used |
60 * as the header of the overlay. | 60 * as the header of the overlay. |
61 */ | 61 */ |
62 setExtensionAndShowOverlay: function(extensionId, extensionName) { | 62 setExtensionAndShowOverlay: function(extensionId, extensionName) { |
63 $('extension-options-overlay-title').textContent = extensionName; | |
64 | |
65 var extensionoptions = new ExtensionOptions(); | 63 var extensionoptions = new ExtensionOptions(); |
66 extensionoptions.extension = extensionId; | 64 extensionoptions.extension = extensionId; |
67 extensionoptions.autosize = 'on'; | 65 extensionoptions.autosize = 'on'; |
68 | 66 |
69 // The <extensionoptions> content's size needs to be restricted to the | 67 // TODO(ericzeng): Resize in a non-jarring way. |
70 // bounds of the overlay window. The overlay gives a min width and | |
71 // max height, but the maxheight does not include our header height | |
72 // (title and close button), so we need to subtract that to get the | |
73 // max height for the extension options. | |
74 var headerHeight = $('extension-options-overlay-title').offsetHeight; | |
75 var overlayMaxHeight = | |
76 parseInt($('extension-options-overlay').style.maxHeight); | |
77 extensionoptions.maxheight = overlayMaxHeight - headerHeight; | |
78 | |
79 extensionoptions.minwidth = | |
80 parseInt(window.getComputedStyle($('extension-options-overlay')) | |
81 .minWidth); | |
82 | |
83 // Resize the overlay if the <extensionoptions> changes size. | |
84 extensionoptions.onsizechanged = function(evt) { | 68 extensionoptions.onsizechanged = function(evt) { |
85 var overlayStyle = | 69 $('extension-options-overlay').style.width = evt.width; |
86 window.getComputedStyle($('extension-options-overlay')); | 70 $('extension-options-overlay').style.height = evt.height; |
87 var oldWidth = parseInt(overlayStyle.width); | |
88 var oldHeight = parseInt(overlayStyle.height); | |
89 | |
90 // animationTime is the amount of time in ms that will be used to resize | |
91 // the overlay. It is calculated by multiplying the pythagorean distance | |
92 // between old and the new size (in px) with a constant speed of | |
93 // 0.25 ms/px. | |
94 var animationTime = 0.25 * Math.sqrt( | |
95 Math.pow(evt.newWidth - oldWidth, 2) + | |
96 Math.pow(evt.newHeight - oldHeight, 2)); | |
97 | |
98 var player = $('extension-options-overlay').animate([ | |
99 {width: oldWidth + 'px', height: oldHeight + 'px'}, | |
100 {width: evt.newWidth + 'px', height: evt.newHeight + 'px'} | |
101 ], { | |
102 duration: animationTime, | |
103 delay: 0 | |
104 }); | |
105 | |
106 player.onfinish = function(e) { | |
107 // Allow the <extensionoptions> to autosize now that the overlay | |
108 // has resized, and move it back on-screen. | |
109 extensionoptions.resumeDeferredAutoSize(); | |
110 $('extension-options-overlay-guest').style.position = 'static'; | |
111 $('extension-options-overlay-guest').style.left = 'auto'; | |
112 }; | |
113 }.bind(this); | 71 }.bind(this); |
114 | 72 |
115 // Don't allow the <extensionoptions> to autosize until the overlay | 73 $('extension-options-overlay').appendChild(extensionoptions); |
116 // animation is complete. | |
117 extensionoptions.setDeferAutoSize(true); | |
118 | 74 |
119 // Move the <extensionoptions> off screen until the overlay is ready | 75 $('extension-options-overlay-title').textContent = extensionName; |
120 $('extension-options-overlay-guest').style.position = 'fixed'; | |
121 $('extension-options-overlay-guest').style.left = | |
122 window.outerWidth + 'px'; | |
123 | 76 |
124 $('extension-options-overlay-guest').appendChild(extensionoptions); | |
125 this.setVisible_(true); | 77 this.setVisible_(true); |
126 }, | 78 }, |
127 | 79 |
128 /** | 80 /** |
129 * Toggles the visibility of the ExtensionOptionsOverlay. | 81 * Toggles the visibility of the ExtensionOptionsOverlay. |
130 * @param {boolean} isVisible Whether the overlay should be visible. | 82 * @param {boolean} isVisible Whether the overlay should be visible. |
131 * @private | 83 * @private |
132 */ | 84 */ |
133 setVisible_: function(isVisible) { | 85 setVisible_: function(isVisible) { |
134 this.showOverlay_(isVisible ? $('extension-options-overlay') : null); | 86 this.showOverlay_(isVisible ? $('extension-options-overlay') : null); |
135 } | 87 } |
136 }; | 88 }; |
137 | 89 |
138 // Export | 90 // Export |
139 return { | 91 return { |
140 ExtensionOptionsOverlay: ExtensionOptionsOverlay | 92 ExtensionOptionsOverlay: ExtensionOptionsOverlay |
141 }; | 93 }; |
142 }); | 94 }); |
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