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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
cr.define('graph_tab', function() {
'use strict';
/**
* @implements {performanceManager.mojom.WebUIGraphChangeStreamInterface}
*/
class WebUIGraphChangeStreamImpl {
constructor(contentWindow) {
this.contentWindow_ = contentWindow;
}
/**
* @param {string} type
* @param {Object|number} data
*/
postMessage_(type, data) {
this.contentWindow_.postMessage([type, data], '*');
}
/** @override */
frameCreated(frame) {
this.postMessage_('frameCreated', frame);
}
/** @override */
pageCreated(page) {
this.postMessage_('pageCreated', page);
}
/** @override */
processCreated(process) {
this.postMessage_('processCreated', process);
}
/** @override */
frameChanged(frame) {
this.postMessage_('frameChanged', frame);
}
/** @override */
pageChanged(page) {
this.postMessage_('pageChanged', page);
}
/** @override */
processChanged(process) {
this.postMessage_('processChanged', process);
}
/** @override */
favIconDataAvailable(icon_info) {
this.postMessage_('favIconDataAvailable', icon_info);
}
/** @override */
nodeDeleted(nodeId) {
this.postMessage_('nodeDeleted', nodeId);
}
}
return {
WebUIGraphChangeStreamImpl: WebUIGraphChangeStreamImpl,
};
});
Polymer({
is: 'graph-tab',
/**
* The Mojo graph data source.
*
* @private {performanceManager.mojom.WebUIGraphDumpRemote}
*/
graphDump_: null,
/**
* The graph change listener.
*
* @private {performanceManager.mojom.WebUIGraphChangeStreamInterface}
*/
changeListener_: null,
/** @override */
ready: function() {
this.graphDump_ = performanceManager.mojom.WebUIGraphDump.getRemote();
},
/** @override */
detached: function() {
// TODO(siggi): Is there a way to tear down the binding explicitly?
this.graphDump_ = null;
this.changeListener_ = null;
},
/** @private */
onWebViewReady_: function() {
this.changeListener_ =
new graph_tab.WebUIGraphChangeStreamImpl(this.$.webView.contentWindow);
this.client_ = new performanceManager.mojom.WebUIGraphChangeStreamReceiver(
this.changeListener_);
// Save helper to work around closure compiler bug: https://crbug.com/969212
const helper = this.client_.$;
// Subscribe for graph updates.
this.graphDump_.subscribeToChanges(helper.bindNewPipeAndPassRemote());
},
});
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