third_party/WebKit/PerformanceTests/Events/EventsDispatchingInShadowTrees.html - Issue 1684533002: Rename "tree of trees" to "composed tree".

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Issue 1684533002: Rename "tree of trees" to "composed tree". (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 10 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3 <head>	3 <head>

4 <script type="text/javascript" src="../resources/runner.js"></script>	4 <script type="text/javascript" src="../resources/runner.js"></script>

5 </head>	5 </head>

6 <body>	6 <body>

7 <div id="root"></div>	7 <div id="root"></div>

8 <script>	8 <script>

9 function createTreeOfTrees(root, depth, branch, eachTreeHeight)	9 function createComposedTree(root, depth, branch, eachTreeHeight)

10 {	10 {

11 var node = root;	11 var node = root;

12 var i;	12 var i;

13 for (i = 0; i < eachTreeHeight; ++i) {	13 for (i = 0; i < eachTreeHeight; ++i) {

14 var child = document.createElement('div');	14 var child = document.createElement('div');

15 node.appendChild(child);	15 node.appendChild(child);

16 node = child;	16 node = child;

17 }	17 }

18 if (depth == 1)	18 if (depth == 1)

19 return;	19 return;

20 for (i = 0; i < branch; ++i) {	20 for (i = 0; i < branch; ++i) {

21 var child = document.createElement('div');	21 var child = document.createElement('div');

22 node.appendChild(child);	22 node.appendChild(child);

23 var shadowRoot = child.createShadowRoot();	23 var shadowRoot = child.createShadowRoot();

24 createTreeOfTrees(shadowRoot, depth - 1, branch, eachTreeHeight);	24 createComposedTree(shadowRoot, depth - 1, branch, eachTreeHeight);

25 }	25 }

26 }	26 }

27	27

28 function leftMostLeaf(root)	28 function leftMostLeaf(root)

29 {	29 {

30 var node = root;	30 var node = root;

31 while (node.firstChild)	31 while (node.firstChild)

32 node = node.firstChild	32 node = node.firstChild

33 if (!node.shadowRoot)	33 if (!node.shadowRoot)

34 return node;	34 return node;

35 return leftMostLeaf(node.shadowRoot)	35 return leftMostLeaf(node.shadowRoot)

36 }	36 }

37	37

38 function rightMostLeaf(root)	38 function rightMostLeaf(root)

39 {	39 {

40 var node = root;	40 var node = root;

41 while (node.lastChild)	41 while (node.lastChild)

42 node = node.lastChild	42 node = node.lastChild

43 if (!node.shadowRoot)	43 if (!node.shadowRoot)

44 return node;	44 return node;

45 return rightMostLeaf(node.shadowRoot)	45 return rightMostLeaf(node.shadowRoot)

46 }	46 }

47	47

48 var root = document.getElementById('root');	48 var root = document.getElementById('root');

49 createTreeOfTrees(root, 10, 2, 50);	49 createComposedTree(root, 10, 2, 50);

50 var leaf1 = leftMostLeaf(root);	50 var leaf1 = leftMostLeaf(root);

51 var leaf2 = rightMostLeaf(root);	51 var leaf2 = rightMostLeaf(root);

52	52

53 function run()	53 function run()

54 {	54 {

55 leaf1.dispatchEvent(new MouseEvent('mousemove', {	55 leaf1.dispatchEvent(new MouseEvent('mousemove', {

56 relatedTarget: leaf2	56 relatedTarget: leaf2

57 }));	57 }));

58 }	58 }

59	59

60 PerfTestRunner.measureRunsPerSecond({	60 PerfTestRunner.measureRunsPerSecond({

61 description: "Measure mousemove events dispatching in shadow trees",	61 description: "Measure mousemove events dispatching in shadow trees",

62 run: run	62 run: run

63 });	63 });

64 </script>	64 </script>

65 </body>	65 </body>

66 </html>	66 </html>

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