David Vacca 3b4d6d5ef5 Add systrace to calculation of Yoga layout() in Fabric
Summary: Simple diff that adds a systrace to start measuring the calculation of Yoga layout() in Fabric

Reviewed By: shergin

Differential Revision: D13124641

fbshipit-source-id: 6bd03e9f56524221f5d91606ffde50253673c1bb
2018-11-25 17:20:59 -08:00

30 lines
791 B
C++

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "RootShadowNode.h"
#include <react/components/view/conversions.h>
#include <react/debug/SystraceSection.h>
namespace facebook {
namespace react {
const char RootComponentName[] = "RootView";
void RootShadowNode::layout() {
SystraceSection s("RootShadowNode::layout");
ensureUnsealed();
layout(getProps()->layoutContext);
// This is the rare place where shadow node must layout (set `layoutMetrics`)
// itself because there is no a parent node which usually should do it.
setLayoutMetrics(layoutMetricsFromYogaNode(yogaNode_));
}
} // namespace react
} // namespace facebook