Files
sdk/runtime/observatory/web/timeline_message_handler.js
T
Carlo Bernaschina 62045a4590 Add Logical Frame View to Timeline Dashboard
This version of the Timeline allows the developer to see a logical
view over the operations involved in each frame.
Events are grouped by frame and shifted accordingly to avoid to have
overlapped frame.

See runtime/observatory/web/timeline.js for the undestrand the steps
involded in the process.

Change-Id: I3980a3278a32fe69ed70db07cfa7189dc0c9a643
Reviewed-on: https://dart-review.googlesource.com/5603
Commit-Queue: Carlo Bernaschina <cbernaschina@google.com>
Reviewed-by: Todd Turnidge <turnidge@google.com>
2017-09-14 23:53:57 +00:00

55 lines
1.5 KiB
JavaScript

// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// This file is loaded before the about:tracing code is loaded so that we have
// an event listener registered early.
// Used to delay the initial timeline load until the timeline has finished
// loading.
timeline_loaded = false;
timeline_vm_address = undefined;
timeline_isolates = undefined;
function registerForMessages() {
window.addEventListener("message", onMessage, false);
window.addEventListener("hashchange", onHashChange, false);
}
registerForMessages();
function onMessage(event) {
var request = JSON.parse(event.data);
var method = request['method'];
var params = request['params'];
console.log('method: ' + method)
switch (method) {
case 'refresh':
if (!timeline_loaded) {
timeline_vm_address = params['vmAddress'];
timeline_isolates = params['isolateIds'];
console.log('Delaying timeline refresh until loaded.');
} else {
fetchTimeline(params['vmAddress'], params['isolateIds']);
}
break;
case 'clear':
clearTimeline();
break;
case 'save':
saveTimeline();
break;
case 'load':
loadTimeline();
break;
default:
console.log('Unknown method:' + method + '.');
}
}
function onHashChange() {
refreshTimeline();
}
console.log('message handler registered');