1 <!DOCTYPE html> 2 <!-- 3 Copyright (c) 2015 The Chromium Authors. All rights reserved. 4 Use of this source code is governed by a BSD-style license that can be 5 found in the LICENSE file. 6 --> 7 8 <link rel="import" href="/tracing/base/base.html"> 9 10 <script> 11 'use strict'; 12 13 tr.exportTo('tr.e.chrome', function() { 14 var KNOWN_PROPERTIES = { 15 absX: 1, 16 absY: 1, 17 address: 1, 18 anonymous: 1, 19 childNeeds: 1, 20 children: 1, 21 classNames: 1, 22 col: 1, 23 colSpan: 1, 24 float: 1, 25 height: 1, 26 htmlId: 1, 27 name: 1, 28 posChildNeeds: 1, 29 positioned: 1, 30 positionedMovement: 1, 31 relX: 1, 32 relY: 1, 33 relativePositioned: 1, 34 row: 1, 35 rowSpan: 1, 36 selfNeeds: 1, 37 stickyPositioned: 1, 38 tag: 1, 39 width: 1 40 }; 41 42 function LayoutObject(snapshot, args) { 43 this.snapshot_ = snapshot; 44 this.id_ = args.address; 45 this.name_ = args.name; 46 this.childLayoutObjects_ = []; 47 this.otherProperties_ = {}; 48 this.tag_ = args.tag; 49 this.relativeRect_ = tr.b.Rect.fromXYWH( 50 args.relX, args.relY, args.width, args.height); 51 this.absoluteRect_ = tr.b.Rect.fromXYWH( 52 args.absX, args.absY, args.width, args.height); 53 this.isFloat_ = args.float; 54 this.isStickyPositioned_ = args.stickyPositioned; 55 this.isPositioned_ = args.positioned; 56 this.isRelativePositioned_ = args.relativePositioned; 57 this.isAnonymous_ = args.anonymous; 58 this.htmlId_ = args.htmlId; 59 this.classNames_ = args.classNames; 60 this.needsLayoutReasons_ = []; 61 if (args.selfNeeds) 62 this.needsLayoutReasons_.push('self'); 63 if (args.childNeeds) 64 this.needsLayoutReasons_.push('child'); 65 if (args.posChildNeeds) 66 this.needsLayoutReasons_.push('positionedChild'); 67 if (args.positionedMovement) 68 this.needsLayoutReasons_.push('positionedMovement'); 69 this.tableRow_ = args.row; 70 this.tableCol_ = args.col; 71 this.tableRowSpan_ = args.rowSpan; 72 this.tableColSpan_ = args.colSpan; 73 74 if (args.children) { 75 args.children.forEach(function(child) { 76 this.childLayoutObjects_.push(new LayoutObject(snapshot, child)); 77 }.bind(this)); 78 } 79 80 for (var property in args) { 81 if (!KNOWN_PROPERTIES[property]) 82 this.otherProperties_[property] = args[property]; 83 } 84 } 85 86 LayoutObject.prototype = { 87 get snapshot() { 88 return this.snapshot_; 89 }, 90 91 get id() { 92 return this.id_; 93 }, 94 95 get name() { 96 return this.name_; 97 }, 98 99 get tag() { 100 return this.tag_; 101 }, 102 103 get relativeRect() { 104 return this.relativeRect_; 105 }, 106 107 get absoluteRect() { 108 return this.absoluteRect_; 109 }, 110 111 get isPositioned() { 112 return this.isPositioned_; 113 }, 114 115 get isFloat() { 116 return this.isFloat_; 117 }, 118 119 get isStickyPositioned() { 120 return this.isStickyPositioned_; 121 }, 122 123 get isRelativePositioned() { 124 return this.isRelativePositioned_; 125 }, 126 127 get isAnonymous() { 128 return this.isAnonymous_; 129 }, 130 131 get tableRow() { 132 return this.tableRow_; 133 }, 134 135 get tableCol() { 136 return this.tableCol_; 137 }, 138 139 get tableRowSpan() { 140 return this.tableRowSpan_; 141 }, 142 143 get tableColSpan() { 144 return this.tableColSpan_; 145 }, 146 147 get htmlId() { 148 return this.htmlId_; 149 }, 150 151 get classNames() { 152 return this.classNames_; 153 }, 154 155 get needsLayoutReasons() { 156 return this.needsLayoutReasons_; 157 }, 158 159 get hasChildLayoutObjects() { 160 return this.childLayoutObjects_.length > 0; 161 }, 162 163 get childLayoutObjects() { 164 return this.childLayoutObjects_; 165 }, 166 167 traverseTree: function(cb, opt_this) { 168 cb.call(opt_this, this); 169 if (!this.hasChildLayoutObjects) 170 return; 171 this.childLayoutObjects.forEach(function(child) { 172 child.traverseTree(cb, opt_this); 173 }); 174 }, 175 176 get otherPropertyNames() { 177 var names = []; 178 for (var name in this.otherProperties_) { 179 names.push(name); 180 } 181 return names; 182 }, 183 184 getProperty: function(name) { 185 return this.otherProperties_[name]; 186 }, 187 188 get previousSnapshotLayoutObject() { 189 if (!this.snapshot.previousSnapshot) 190 return undefined; 191 return this.snapshot.previousSnapshot.getLayoutObjectById(this.id); 192 }, 193 194 get nextSnapshotLayoutObject() { 195 if (!this.snapshot.nextSnapshot) 196 return undefined; 197 return this.snapshot.nextSnapshot.getLayoutObjectById(this.id); 198 } 199 }; 200 201 return { 202 LayoutObject: LayoutObject 203 }; 204 }); 205 </script> 206
