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Side by Side Diff: chrome/browser/resources/chromeos/switch_access/automation_predicate.js

Issue 2944703004: Run clang-format on .js files in c/b/r/chromeos (Closed)
Patch Set: Created 3 years, 6 months ago
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1 // Copyright 2017 The Chromium Authors. All rights reserved. 1 // Copyright 2017 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 /** 5 /**
6 * Class containing predicates for the chrome automation API. Each predicate 6 * Class containing predicates for the chrome automation API. Each predicate
7 * can be run on one or more AutomationNodes and returns a boolean value. 7 * can be run on one or more AutomationNodes and returns a boolean value.
8 * 8 *
9 * @constructor 9 * @constructor
10 */ 10 */
11 function AutomationPredicate() {} 11 function AutomationPredicate() {}
12 12
13 /** 13 /**
14 * Returns true if |node| is a subtreeLeaf, meaning that |node| is either 14 * Returns true if |node| is a subtreeLeaf, meaning that |node| is either
15 * interesting or a group (both defined below). 15 * interesting or a group (both defined below).
16 * 16 *
17 * @param {!chrome.automation.AutomationNode} node 17 * @param {!chrome.automation.AutomationNode} node
18 * @param {!chrome.automation.AutomationNode} scope 18 * @param {!chrome.automation.AutomationNode} scope
19 * @return {boolean} 19 * @return {boolean}
20 */ 20 */
21 AutomationPredicate.isSubtreeLeaf = function(node, scope) { 21 AutomationPredicate.isSubtreeLeaf = function(node, scope) {
22 return AutomationPredicate.isInteresting(node) 22 return AutomationPredicate.isInteresting(node) ||
23 || AutomationPredicate.isGroup(node, scope); 23 AutomationPredicate.isGroup(node, scope);
24 }; 24 };
25 25
26 /** 26 /**
27 * Returns true if |node| is a group, meaning that the node has more than one 27 * Returns true if |node| is a group, meaning that the node has more than one
28 * interesting descendant, and that its interesting descendants exist in more 28 * interesting descendant, and that its interesting descendants exist in more
29 * than one subtree of its immediate children. 29 * than one subtree of its immediate children.
30 * 30 *
31 * Additionally, for |node| to be a group, it cannot have the same bounding 31 * Additionally, for |node| to be a group, it cannot have the same bounding
32 * box as its scope. 32 * box as its scope.
33 * 33 *
34 * @param {!chrome.automation.AutomationNode} node 34 * @param {!chrome.automation.AutomationNode} node
35 * @param {!chrome.automation.AutomationNode} scope 35 * @param {!chrome.automation.AutomationNode} scope
36 * @return {boolean} 36 * @return {boolean}
37 */ 37 */
38 AutomationPredicate.isGroup = function(node, scope) { 38 AutomationPredicate.isGroup = function(node, scope) {
39 if (node !== scope && AutomationPredicate.hasSameLocation_(node, scope)) 39 if (node !== scope && AutomationPredicate.hasSameLocation_(node, scope))
40 return false; 40 return false;
41 41
42 // Work around for client nested in client. No need to have user select both 42 // Work around for client nested in client. No need to have user select both
43 // clients for a window. Once locations for outer client updates correctly, 43 // clients for a window. Once locations for outer client updates correctly,
44 // this won't be needed. 44 // this won't be needed.
45 if (node.role === chrome.automation.RoleType.CLIENT 45 if (node.role === chrome.automation.RoleType.CLIENT &&
46 && node.role === scope.role && node !== scope) 46 node.role === scope.role && node !== scope)
47 return false; 47 return false;
48 48
49 let interestingBranches = 0; 49 let interestingBranches = 0;
50 let children = node.children || []; 50 let children = node.children || [];
51 for (let child of children) { 51 for (let child of children) {
52 if (AutomationPredicate.isInterestingSubtree(child)) 52 if (AutomationPredicate.isInterestingSubtree(child))
53 interestingBranches += 1; 53 interestingBranches += 1;
54 if (interestingBranches > 1) 54 if (interestingBranches > 1)
55 return true; 55 return true;
56 } 56 }
57 return false; 57 return false;
58 }; 58 };
59 59
60 /** 60 /**
61 * Returns true if the two nodes have the same location. 61 * Returns true if the two nodes have the same location.
62 * 62 *
63 * @param {!chrome.automation.AutomationNode} node1 63 * @param {!chrome.automation.AutomationNode} node1
64 * @param {!chrome.automation.AutomationNode} node2 64 * @param {!chrome.automation.AutomationNode} node2
65 * @return {boolean} 65 * @return {boolean}
66 */ 66 */
67 AutomationPredicate.hasSameLocation_ = function(node1, node2) { 67 AutomationPredicate.hasSameLocation_ = function(node1, node2) {
68 let l1 = node1.location; 68 let l1 = node1.location;
69 let l2 = node2.location; 69 let l2 = node2.location;
70 return l1.left === l2.left && l1.top === l2.top && l1.width === l2.width 70 return l1.left === l2.left && l1.top === l2.top && l1.width === l2.width &&
71 && l1.height === l2.height; 71 l1.height === l2.height;
72 }; 72 };
73 73
74 /** 74 /**
75 * Returns true if there is an interesting node in the subtree containing 75 * Returns true if there is an interesting node in the subtree containing
76 * |node| as its root (including |node| itself). 76 * |node| as its root (including |node| itself).
77 * 77 *
78 * @param {!chrome.automation.AutomationNode} node 78 * @param {!chrome.automation.AutomationNode} node
79 * @return {boolean} 79 * @return {boolean}
80 */ 80 */
81 AutomationPredicate.isInterestingSubtree = function(node) { 81 AutomationPredicate.isInterestingSubtree = function(node) {
82 let children = node.children || []; 82 let children = node.children || [];
83 return AutomationPredicate.isInteresting(node) 83 return AutomationPredicate.isInteresting(node) ||
84 || children.some(AutomationPredicate.isInterestingSubtree); 84 children.some(AutomationPredicate.isInterestingSubtree);
85 }; 85 };
86 86
87 /** 87 /**
88 * Returns true if |node| is interesting, meaning that a user can perform some 88 * Returns true if |node| is interesting, meaning that a user can perform some
89 * type of action on it. 89 * type of action on it.
90 * 90 *
91 * @param {!chrome.automation.AutomationNode} node 91 * @param {!chrome.automation.AutomationNode} node
92 * @return {boolean} 92 * @return {boolean}
93 */ 93 */
94 AutomationPredicate.isInteresting = function(node) { 94 AutomationPredicate.isInteresting = function(node) {
95 let loc = node.location; 95 let loc = node.location;
96 let parent = node.parent; 96 let parent = node.parent;
97 let root = node.root; 97 let root = node.root;
98 let role = node.role; 98 let role = node.role;
99 let state = node.state; 99 let state = node.state;
100 100
101 // TODO(elichtenberg): Define shorthand for chrome.automation.RoleType and 101 // TODO(elichtenberg): Define shorthand for chrome.automation.RoleType and
102 // StateType. 102 // StateType.
103 103
104 // Skip things that are offscreen 104 // Skip things that are offscreen
105 if (state[chrome.automation.StateType.OFFSCREEN] 105 if (state[chrome.automation.StateType.OFFSCREEN] || loc.top < 0 ||
106 || loc.top < 0 || loc.left < 0) 106 loc.left < 0)
107 return false; 107 return false;
108 108
109 // Should just leave these as groups 109 // Should just leave these as groups
110 if (role === chrome.automation.RoleType.WEB_VIEW 110 if (role === chrome.automation.RoleType.WEB_VIEW ||
111 || role === chrome.automation.RoleType.ROOT_WEB_AREA) 111 role === chrome.automation.RoleType.ROOT_WEB_AREA)
112 return false; 112 return false;
113 113
114 if (parent) { 114 if (parent) {
115 // crbug.com/710559 115 // crbug.com/710559
116 // Work around for browser tabs 116 // Work around for browser tabs
117 if (role === chrome.automation.RoleType.TAB 117 if (role === chrome.automation.RoleType.TAB &&
118 && parent.role === chrome.automation.RoleType.TAB_LIST 118 parent.role === chrome.automation.RoleType.TAB_LIST &&
119 && root.role === chrome.automation.RoleType.DESKTOP) 119 root.role === chrome.automation.RoleType.DESKTOP)
120 return true; 120 return true;
121 } 121 }
122 122
123 // The general rule that applies to everything. 123 // The general rule that applies to everything.
124 return state[chrome.automation.StateType.FOCUSABLE] === true; 124 return state[chrome.automation.StateType.FOCUSABLE] === true;
125 }; 125 };
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