84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
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/*
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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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#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 jsi::Value touchPayload(jsi::Runtime &runtime, Touch const &touch) {
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auto object = jsi::Object(runtime);
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object.setProperty(runtime, "locationX", touch.offsetPoint.x);
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object.setProperty(runtime, "locationY", touch.offsetPoint.y);
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object.setProperty(runtime, "pageX", touch.pagePoint.x);
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object.setProperty(runtime, "pageY", touch.pagePoint.y);
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object.setProperty(runtime, "screenX", touch.screenPoint.x);
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object.setProperty(runtime, "screenY", touch.screenPoint.y);
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object.setProperty(runtime, "identifier", touch.identifier);
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object.setProperty(runtime, "target", touch.target);
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object.setProperty(runtime, "timestamp", touch.timestamp * 1000);
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object.setProperty(runtime, "force", touch.force);
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return object;
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}
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static jsi::Value touchesPayload(
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jsi::Runtime &runtime,
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Touches const &touches) {
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auto array = jsi::Array(runtime, touches.size());
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int i = 0;
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for (auto const &touch : touches) {
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array.setValueAtIndex(runtime, i++, touchPayload(runtime, touch));
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}
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return array;
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}
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static jsi::Value touchEventPayload(
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jsi::Runtime &runtime,
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TouchEvent const &event) {
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auto object = jsi::Object(runtime);
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object.setProperty(
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runtime, "touches", touchesPayload(runtime, event.touches));
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object.setProperty(
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runtime, "changedTouches", touchesPayload(runtime, event.changedTouches));
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object.setProperty(
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runtime, "targetTouches", touchesPayload(runtime, event.targetTouches));
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return object;
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}
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void TouchEventEmitter::dispatchTouchEvent(
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std::string const &type,
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TouchEvent const &event,
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EventPriority const &priority) const {
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dispatchEvent(
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type,
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[event](jsi::Runtime &runtime) {
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return touchEventPayload(runtime, event);
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},
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priority);
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}
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void TouchEventEmitter::onTouchStart(TouchEvent const &event) const {
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dispatchTouchEvent("touchStart", event, EventPriority::AsynchronousBatched);
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}
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void TouchEventEmitter::onTouchMove(TouchEvent const &event) const {
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dispatchTouchEvent("touchMove", event, EventPriority::AsynchronousBatched);
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}
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void TouchEventEmitter::onTouchEnd(TouchEvent const &event) const {
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dispatchTouchEvent("touchEnd", event, EventPriority::AsynchronousBatched);
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}
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void TouchEventEmitter::onTouchCancel(TouchEvent const &event) const {
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dispatchTouchEvent("touchCancel", event, EventPriority::AsynchronousBatched);
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}
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} // namespace react
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} // namespace facebook
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