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3ad5c9e016
Summary: All code styles are terribly ugly. We have the only choise - choise something and embrace it. This particular code style was borrowed from a neibour Fabric-friendly project because it follows established Facebook guides and respects client-side traditions. Reviewed By: mdvacca Differential Revision: D10218598 fbshipit-source-id: 8c4cf6713c07768566dadef479191661c79988f0
72 lines
2.1 KiB
C++
72 lines
2.1 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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#include "TouchEventEmitter.h"
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namespace facebook {
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namespace react {
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#pragma mark - Touches
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static folly::dynamic touchPayload(const Touch &touch) {
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folly::dynamic object = folly::dynamic::object();
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object["locationX"] = touch.offsetPoint.x;
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object["locationY"] = touch.offsetPoint.x;
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object["pageX"] = touch.pagePoint.x;
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object["pageY"] = touch.pagePoint.x;
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object["screenX"] = touch.screenPoint.x;
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object["screenY"] = touch.screenPoint.x;
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object["identifier"] = touch.identifier;
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object["target"] = touch.target;
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object["timestamp"] = touch.timestamp * 1000;
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object["force"] = touch.force;
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return object;
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}
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static folly::dynamic touchesPayload(const Touches &touches) {
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folly::dynamic array = folly::dynamic::array();
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for (const auto &touch : touches) {
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array.push_back(touchPayload(touch));
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}
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return array;
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}
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static folly::dynamic touchEventPayload(const TouchEvent &event) {
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folly::dynamic object = folly::dynamic::object();
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object["touches"] = touchesPayload(event.touches);
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object["changedTouches"] = touchesPayload(event.changedTouches);
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object["targetTouches"] = touchesPayload(event.targetTouches);
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return object;
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}
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void TouchEventEmitter::onTouchStart(const TouchEvent &event) const {
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dispatchEvent(
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"touchStart",
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touchEventPayload(event),
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EventPriority::SynchronousUnbatched);
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}
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void TouchEventEmitter::onTouchMove(const TouchEvent &event) const {
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dispatchEvent(
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"touchMove", touchEventPayload(event), EventPriority::SynchronousBatched);
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}
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void TouchEventEmitter::onTouchEnd(const TouchEvent &event) const {
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dispatchEvent(
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"touchEnd", touchEventPayload(event), EventPriority::SynchronousBatched);
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}
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void TouchEventEmitter::onTouchCancel(const TouchEvent &event) const {
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dispatchEvent(
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"touchCancel",
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touchEventPayload(event),
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EventPriority::SynchronousBatched);
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}
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} // namespace react
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} // namespace facebook
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