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07a4a959a7
Summary: @public We need that because gonna add much more event-related stuff, so it deserves separate buck target. Reviewed By: mdvacca Differential Revision: D8831547 fbshipit-source-id: 616581b39b425a49302d5f7f86267e62b0d58389
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 <fabric/components/view/ViewEventEmitter.h>
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#include <fabric/events/EventEmitter.h>
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#include <fabric/graphics/Geometry.h>
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#include <folly/dynamic.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 = std::shared_ptr<const ScrollViewEventEmitter>;
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class ScrollViewEventEmitter:
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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(const std::string &name, const ScrollViewMetrics &scrollViewMetrics, 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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