mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
8d6b41e9bc
Summary: Changelog: [Internal] Add `Text.onTextLayout` implementation Reviewed By: JoshuaGross Differential Revision: D22865139 fbshipit-source-id: 563084754ebdc9fb23463a306c526b97c61f85ec
48 lines
1.3 KiB
C++
48 lines
1.3 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 <memory>
|
|
|
|
#include <folly/dynamic.h>
|
|
#include <react/renderer/components/view/ViewEventEmitter.h>
|
|
#include <react/renderer/core/EventEmitter.h>
|
|
#include <react/renderer/graphics/Geometry.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
class ScrollViewMetrics {
|
|
public:
|
|
Size contentSize;
|
|
Point contentOffset;
|
|
EdgeInsets contentInset;
|
|
Size containerSize;
|
|
Float zoomScale;
|
|
};
|
|
|
|
class ScrollViewEventEmitter : public ViewEventEmitter {
|
|
public:
|
|
using ViewEventEmitter::ViewEventEmitter;
|
|
|
|
void onScroll(const ScrollViewMetrics &scrollViewMetrics) const;
|
|
void onScrollBeginDrag(const ScrollViewMetrics &scrollViewMetrics) const;
|
|
void onScrollEndDrag(const ScrollViewMetrics &scrollViewMetrics) const;
|
|
void onMomentumScrollBegin(const ScrollViewMetrics &scrollViewMetrics) const;
|
|
void onMomentumScrollEnd(const ScrollViewMetrics &scrollViewMetrics) const;
|
|
|
|
private:
|
|
void dispatchScrollViewEvent(
|
|
const std::string &name,
|
|
const ScrollViewMetrics &scrollViewMetrics,
|
|
EventPriority priority = EventPriority::AsynchronousBatched) const;
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|