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Side by Side Diff: third_party/WebKit/Source/devtools/front_end/ui/StaticViewportControl.js

Issue 2493373002: DevTools: rename WebInspector into modules. (Closed)
Patch Set: for bots Created 4 years, 1 month ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 * @unrestricted 5 * @unrestricted
6 */ 6 */
7 WebInspector.StaticViewportControl = class { 7 UI.StaticViewportControl = class {
8 /** 8 /**
9 * @param {!WebInspector.StaticViewportControl.Provider} provider 9 * @param {!UI.StaticViewportControl.Provider} provider
10 */ 10 */
11 constructor(provider) { 11 constructor(provider) {
12 this.element = createElement('div'); 12 this.element = createElement('div');
13 this.element.style.overflow = 'auto'; 13 this.element.style.overflow = 'auto';
14 this._innerElement = this.element.createChild('div'); 14 this._innerElement = this.element.createChild('div');
15 this._innerElement.style.height = '0px'; 15 this._innerElement.style.height = '0px';
16 this._innerElement.style.position = 'relative'; 16 this._innerElement.style.position = 'relative';
17 this._innerElement.style.overflow = 'hidden'; 17 this._innerElement.style.overflow = 'hidden';
18 18
19 this._provider = provider; 19 this._provider = provider;
20 this.element.addEventListener('scroll', this._update.bind(this), false); 20 this.element.addEventListener('scroll', this._update.bind(this), false);
21 this._itemCount = 0; 21 this._itemCount = 0;
22 this._indexSymbol = Symbol('WebInspector.StaticViewportControl._indexSymbol' ); 22 this._indexSymbol = Symbol('UI.StaticViewportControl._indexSymbol');
23 } 23 }
24 24
25 refresh() { 25 refresh() {
26 this._itemCount = this._provider.itemCount(); 26 this._itemCount = this._provider.itemCount();
27 this._innerElement.removeChildren(); 27 this._innerElement.removeChildren();
28 28
29 var height = 0; 29 var height = 0;
30 this._cumulativeHeights = new Int32Array(this._itemCount); 30 this._cumulativeHeights = new Int32Array(this._itemCount);
31 for (var i = 0; i < this._itemCount; ++i) { 31 for (var i = 0; i < this._itemCount; ++i) {
32 height += this._provider.fastItemHeight(i); 32 height += this._provider.fastItemHeight(i);
(...skipping 101 matching lines...) Expand 10 before | Expand all | Expand 10 after
134 * @return {number} 134 * @return {number}
135 */ 135 */
136 _visibleHeight() { 136 _visibleHeight() {
137 return this.element.offsetHeight; 137 return this.element.offsetHeight;
138 } 138 }
139 }; 139 };
140 140
141 /** 141 /**
142 * @interface 142 * @interface
143 */ 143 */
144 WebInspector.StaticViewportControl.Provider = function() {}; 144 UI.StaticViewportControl.Provider = function() {};
145 145
146 WebInspector.StaticViewportControl.Provider.prototype = { 146 UI.StaticViewportControl.Provider.prototype = {
147 /** 147 /**
148 * @param {number} index 148 * @param {number} index
149 * @return {number} 149 * @return {number}
150 */ 150 */
151 fastItemHeight: function(index) { 151 fastItemHeight: function(index) {
152 return 0; 152 return 0;
153 }, 153 },
154 154
155 /** 155 /**
156 * @return {number} 156 * @return {number}
157 */ 157 */
158 itemCount: function() { 158 itemCount: function() {
159 return 0; 159 return 0;
160 }, 160 },
161 161
162 /** 162 /**
163 * @param {number} index 163 * @param {number} index
164 * @return {?Element} 164 * @return {?Element}
165 */ 165 */
166 itemElement: function(index) { 166 itemElement: function(index) {
167 return null; 167 return null;
168 } 168 }
169 }; 169 };
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