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94d49e544d
Summary: We are moving to more stable APIs removing all mentiones of the effort name from the codebase. Reviewed By: mdvacca Differential Revision: D12912894 fbshipit-source-id: 4a0c6b9e7454b8b14e62d419e9e9311dc0c56e7a
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its 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/components/view/ViewEventEmitter.h>
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#include <react/events/EventEmitter.h>
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#include <react/graphics/Geometry.h>
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namespace facebook {
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namespace react {
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class ScrollViewMetrics {
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public:
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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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class ScrollViewEventEmitter;
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using SharedScrollViewEventEmitter =
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std::shared_ptr<const ScrollViewEventEmitter>;
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class ScrollViewEventEmitter : public ViewEventEmitter {
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public:
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using ViewEventEmitter::ViewEventEmitter;
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void onScroll(const ScrollViewMetrics &scrollViewMetrics) const;
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void onScrollBeginDrag(const ScrollViewMetrics &scrollViewMetrics) const;
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void onScrollEndDrag(const ScrollViewMetrics &scrollViewMetrics) const;
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void onMomentumScrollBegin(const ScrollViewMetrics &scrollViewMetrics) const;
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void onMomentumScrollEnd(const ScrollViewMetrics &scrollViewMetrics) const;
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private:
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void dispatchScrollViewEvent(
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const std::string &name,
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const ScrollViewMetrics &scrollViewMetrics,
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const folly::dynamic &payload = {}) const;
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};
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} // namespace react
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} // namespace facebook
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