mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
c574ca59dc
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/43532 changelog: [internal] - use designated initializers. - make ScrollViewMetrics a struct. - move ScrollViewMetrics inside of ScrollViewEventEmitter. This is to be more consistent with other event emitters. Reviewed By: rubennorte Differential Revision: D54896331 fbshipit-source-id: 01aecd1835b23bdaccff1355d33eb7b4c5ba8d92
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <folly/dynamic.h>
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#include <react/renderer/components/view/ViewEventEmitter.h>
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#include <react/renderer/core/EventEmitter.h>
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namespace facebook::react {
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class ScrollViewEventEmitter : public ViewEventEmitter {
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public:
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using ViewEventEmitter::ViewEventEmitter;
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struct Metrics {
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Size contentSize;
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Point contentOffset;
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EdgeInsets contentInset;
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Size containerSize;
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Float zoomScale{};
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};
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void onScroll(const Metrics& scrollViewMetrics) const;
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void onScrollBeginDrag(const Metrics& scrollViewMetrics) const;
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void onScrollEndDrag(const Metrics& scrollViewMetrics) const;
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void onMomentumScrollBegin(const Metrics& scrollViewMetrics) const;
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void onMomentumScrollEnd(const Metrics& scrollViewMetrics) const;
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void onScrollToTop(const Metrics& scrollViewMetrics) const;
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private:
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void dispatchScrollViewEvent(
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std::string name,
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const Metrics& scrollViewMetrics) const;
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};
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} // namespace facebook::react
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