third_party/WebKit/PerformanceTests/Events/EventsDispatchingInDeeplyNestedShadowTrees.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 id="child1"></div><div id="child2"></div></div>	7 <div id="root"><div id="child1"></div><div id="child2"></div></div>

8 <script>	8 <script>

9 function createTreeOfTrees(root, depth, eachTreeHeight)	9 function createComposedTree(root, depth, 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 var child = document.createElement('div');	20 var child = document.createElement('div');

21 node.appendChild(child);	21 node.appendChild(child);

22 var shadowRoot = child.createShadowRoot();	22 var shadowRoot = child.createShadowRoot();

23 createTreeOfTrees(shadowRoot, depth - 1, eachTreeHeight);	23 createComposedTree(shadowRoot, depth - 1, eachTreeHeight);

24 }	24 }

25	25

26 function leftMostLeaf(root)	26 function leftMostLeaf(root)

27 {	27 {

28 var node = root;	28 var node = root;

29 while (node.firstChild)	29 while (node.firstChild)

30 node = node.firstChild	30 node = node.firstChild

31 if (!node.shadowRoot)	31 if (!node.shadowRoot)

32 return node;	32 return node;

33 return leftMostLeaf(node.shadowRoot)	33 return leftMostLeaf(node.shadowRoot)

34 }	34 }

35	35

36 function rightMostLeaf(root)	36 function rightMostLeaf(root)

37 {	37 {

38 var node = root;	38 var node = root;

39 while (node.lastChild)	39 while (node.lastChild)

40 node = node.lastChild	40 node = node.lastChild

41 if (!node.shadowRoot)	41 if (!node.shadowRoot)

42 return node;	42 return node;

43 return rightMostLeaf(node.shadowRoot)	43 return rightMostLeaf(node.shadowRoot)

44 }	44 }

45	45

46 var root = document.getElementById('root');	46 var root = document.getElementById('root');

47 createTreeOfTrees(document.getElementById('child1'), 50, 20);	47 createComposedTree(document.getElementById('child1'), 50, 20);

48 createTreeOfTrees(document.getElementById('child2'), 50, 20);	48 createComposedTree(document.getElementById('child2'), 50, 20);

49 var leaf1 = leftMostLeaf(root);	49 var leaf1 = leftMostLeaf(root);

50 var leaf2 = rightMostLeaf(root);	50 var leaf2 = rightMostLeaf(root);

51	51

52 function run()	52 function run()

53 {	53 {

54 leaf1.dispatchEvent(new MouseEvent('mousemove', {	54 leaf1.dispatchEvent(new MouseEvent('mousemove', {

55 relatedTarget: leaf2	55 relatedTarget: leaf2

56 }));	56 }));

57 }	57 }

58	58

59 PerfTestRunner.measureRunsPerSecond({	59 PerfTestRunner.measureRunsPerSecond({

60 description: "Measure mousemove events dispatching in shadow trees",	60 description: "Measure mousemove events dispatching in shadow trees",

61 run: run	61 run: run

62 });	62 });

63 </script>	63 </script>

64 </body>	64 </body>

65 </html>	65 </html>

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