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Side by Side Diff: runtime/observatory/web/timeline.js

Issue 1406413006: Timeline service protocol support with Observatory UI (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 1 month ago
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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 function onModelLoaded() {
6 viewer.globalMode = true;
7 viewer.model = model;
8 }
9
10 function clearTimeline() {
11 viewer.model = undefined;
12 }
13
14 function onImportFail() {
15 var overlay = new tr.ui.b.Overlay();
16 overlay.textContent = tr.b.normalizeException(err).message;
17 overlay.title = 'Import error';
18 overlay.visible = true;
19 console.log('import failed');
20 }
21
22 function updateTimeline(events) {
23 model = new tr.Model();
24 var importer = new tr.importer.Import(model);
25 var p = importer.importTracesWithProgressDialog([events]);
26 p.then(onModelLoaded, onImportFail);
27 }
28
29 function registerForMessages() {
30 window.addEventListener("message", onMessage, false);
31 }
32
33 function fetchUri(uri, onLoad, onError) {
34 var xhr = new XMLHttpRequest();
35 xhr.open('GET', uri, true);
36 xhr.responseType = 'text';
37 xhr.addEventListener("load", onLoad);
38 xhr.addEventListener("error", onError);
39 xhr.send();
40 console.log('GET ' + uri);
41 }
42
43 function fetchTimelineOnLoad(event) {
44 var xhr = event.target;
45 var response = JSON.parse(xhr.responseText);
46 var result = response['result'];
47 var traceEvents = result['traceEvents'];
48 updateTimeline(traceEvents);
49 }
50
51 function fetchTimelineOnError(event) {
52 }
53
54 function fetchTimeline(vmAddress) {
55 var parser = document.createElement('a');
56 parser.href = vmAddress;
57 var requestUri = 'http://' +
58 parser.hostname +
59 ':' +
60 parser.port +
61 '/_getVMTimeline';
62 fetchUri(requestUri, fetchTimelineOnLoad, fetchTimelineOnError);
63 }
64
65 function onMessage(event) {
66 var request = JSON.parse(event.data);
67 var method = request['method'];
68 var params = request['params'];
69 switch (method) {
70 case 'refresh':
71 fetchTimeline(params['vmAddress']);
72 break;
73 case 'clear':
74 clearTimeline();
75 break;
76 default:
77 console.log('Unknown method:' + method + '.');
78 }
79 }
80
81 document.addEventListener('DOMContentLoaded', function() {
82 var container = document.createElement('track-view-container');
83 container.id = 'track_view_container';
84 viewer = document.createElement('tr-ui-timeline-view');
85 viewer.track_view_container = container;
86 viewer.appendChild(container);
87 viewer.id = 'trace-viewer';
88 viewer.globalMode = true;
89 document.body.appendChild(viewer);
90 registerForMessages();
91 });
92
93 console.log('loaded');
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