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react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewState.h
T
David Vacca 91b3f5d48a Implement and integrate Mapbuffer
Summary:
This diff contains the code from the 35 diff stack  - D27210587

This diff implement and integrates Mapbuffer into Fabric text measure system

changelog: [internal] internal

Reviewed By: JoshuaGross

Differential Revision: D27241836

fbshipit-source-id: f40a780df0723f27da440f709a8676cfcca63953
2021-03-24 03:52:31 -07:00

54 lines
1.2 KiB
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.
*/
#pragma once
#include <react/renderer/graphics/Geometry.h>
#ifdef ANDROID
#include <folly/dynamic.h>
#include <react/renderer/mapbuffer/MapBuffer.h>
#include <react/renderer/mapbuffer/MapBufferBuilder.h>
#endif
namespace facebook {
namespace react {
/*
* State for <ScrollView> component.
*/
class ScrollViewState final {
public:
Point contentOffset;
Rect contentBoundingRect;
/*
* Returns size of scrollable area.
*/
Size getContentSize() const;
#ifdef ANDROID
ScrollViewState() = default;
ScrollViewState(ScrollViewState const &previousState, folly::dynamic data)
: contentOffset(
{(Float)data["contentOffsetLeft"].getDouble(),
(Float)data["contentOffsetTop"].getDouble()}),
contentBoundingRect({}){};
folly::dynamic getDynamic() const {
return folly::dynamic::object("contentOffsetLeft", contentOffset.x)(
"contentOffsetTop", contentOffset.y);
};
MapBuffer getMapBuffer() const {
return MapBufferBuilder::EMPTY();
};
#endif
};
} // namespace react
} // namespace facebook