Ryan Macnak
caffe45c7a
Restore fetching from the Catapult IFrame instead of the main frame to avoid the postMessage bottleneck.
Cf. 68dede011e
TEST=view timeline
Change-Id: I417ec40393fc149d0bf22657a2d9a46c3125f634
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/263160
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// This file is loaded before the about:tracing code is loaded so that we have
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// an event listener registered early.
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// Used to delay the initial timeline load until the timeline has finished
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// loading.
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timeline_loaded = false;
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timeline_vm_address = undefined;
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timeline_isolates = undefined;
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function registerForMessages() {
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window.addEventListener("message", onMessage, false);
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window.addEventListener("hashchange", onHashChange, false);
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}
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registerForMessages();
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function onMessage(event) {
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var request = JSON.parse(event.data);
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var method = request['method'];
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var params = request['params'];
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console.log('method: ' + method)
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switch (method) {
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case 'loading':
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showLoadingOverlay('Fetching timeline...');
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break;
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case 'refresh':
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timeline_vm_address = params['vmAddress'];
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timeline_isolates = params['isolateIds'];
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if (typeof fetchTimeline === "undefined") {
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console.log('Delaying timeline refresh until loaded.');
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} else {
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fetchTimeline(timeline_vm_address, timeline_isolates);
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}
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break;
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case 'clear':
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clearTimeline();
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break;
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case 'save':
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saveTimeline();
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break;
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case 'load':
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loadTimeline();
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break;
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default:
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console.log('Unknown method:' + method + '.');
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}
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}
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function onHashChange() {
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refreshTimeline();
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}
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console.log('message handler registered');
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