amis-rpc-design/node_modules/react-native/ReactCommon/react/renderer/components/scrollview/ScrollViewState.h
2023-10-07 19:42:30 +08:00

60 lines
1.5 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and 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/Float.h>
#include <react/renderer/graphics/Point.h>
#include <react/renderer/graphics/Rect.h>
#include <react/renderer/graphics/Size.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;
int scrollAwayPaddingTop;
/*
* 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({}),
scrollAwayPaddingTop((Float)data["scrollAwayPaddingTop"].getDouble()){};
folly::dynamic getDynamic() const {
return folly::dynamic::object("contentOffsetLeft", contentOffset.x)(
"contentOffsetTop", contentOffset.y)(
"scrollAwayPaddingTop", scrollAwayPaddingTop);
};
MapBuffer getMapBuffer() const {
return MapBufferBuilder::EMPTY();
};
#endif
};
} // namespace react
} // namespace facebook