/
RNGestureHandlerModule.kt
739 lines (662 loc) · 32 KB
/
RNGestureHandlerModule.kt
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package com.swmansion.gesturehandler.react
import android.content.Context
import android.util.Log
import android.view.MotionEvent
import com.facebook.react.ReactRootView
import com.facebook.react.bridge.JSApplicationIllegalArgumentException
import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.bridge.ReactMethod
import com.facebook.react.bridge.ReadableMap
import com.facebook.react.bridge.ReadableType
import com.facebook.react.bridge.WritableMap
import com.facebook.react.module.annotations.ReactModule
import com.facebook.react.uimanager.PixelUtil
import com.facebook.react.uimanager.events.Event
import com.facebook.soloader.SoLoader
import com.swmansion.common.GestureHandlerStateManager
import com.swmansion.gesturehandler.BuildConfig
import com.swmansion.gesturehandler.NativeRNGestureHandlerModuleSpec
import com.swmansion.gesturehandler.ReanimatedEventDispatcher
import com.swmansion.gesturehandler.core.FlingGestureHandler
import com.swmansion.gesturehandler.core.GestureHandler
import com.swmansion.gesturehandler.core.HoverGestureHandler
import com.swmansion.gesturehandler.core.LongPressGestureHandler
import com.swmansion.gesturehandler.core.ManualGestureHandler
import com.swmansion.gesturehandler.core.NativeViewGestureHandler
import com.swmansion.gesturehandler.core.OnTouchEventListener
import com.swmansion.gesturehandler.core.PanGestureHandler
import com.swmansion.gesturehandler.core.PinchGestureHandler
import com.swmansion.gesturehandler.core.RotationGestureHandler
import com.swmansion.gesturehandler.core.TapGestureHandler
import com.swmansion.gesturehandler.dispatchEvent
import com.swmansion.gesturehandler.react.eventbuilders.FlingGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.GestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.HoverGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.LongPressGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.ManualGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.NativeGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.PanGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.PinchGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.RotationGestureHandlerEventDataBuilder
import com.swmansion.gesturehandler.react.eventbuilders.TapGestureHandlerEventDataBuilder
// NativeModule.onCatalystInstanceDestroy() was deprecated in favor of NativeModule.invalidate()
// ref: https://github.com/facebook/react-native/commit/18c8417290823e67e211bde241ae9dde27b72f17
// UIManagerModule.resolveRootTagFromReactTag() was deprecated and will be removed in the next RN release
// ref: https://github.com/facebook/react-native/commit/acbf9e18ea666b07c1224a324602a41d0a66985e
@Suppress("DEPRECATION")
@ReactModule(name = RNGestureHandlerModule.NAME)
class RNGestureHandlerModule(reactContext: ReactApplicationContext?) :
NativeRNGestureHandlerModuleSpec(reactContext), GestureHandlerStateManager {
private abstract class HandlerFactory<T : GestureHandler<T>> {
abstract val type: Class<T>
abstract val name: String
abstract fun create(context: Context?): T
open fun configure(handler: T, config: ReadableMap) {
handler.resetConfig()
if (config.hasKey(KEY_SHOULD_CANCEL_WHEN_OUTSIDE)) {
handler.setShouldCancelWhenOutside(config.getBoolean(KEY_SHOULD_CANCEL_WHEN_OUTSIDE))
}
if (config.hasKey(KEY_ENABLED)) {
handler.setEnabled(config.getBoolean(KEY_ENABLED))
}
if (config.hasKey(KEY_HIT_SLOP)) {
handleHitSlopProperty(handler, config)
}
if (config.hasKey(KEY_NEEDS_POINTER_DATA)) {
handler.needsPointerData = config.getBoolean(KEY_NEEDS_POINTER_DATA)
}
if (config.hasKey(KEY_MANUAL_ACTIVATION)) {
handler.setManualActivation(config.getBoolean(KEY_MANUAL_ACTIVATION))
}
if (config.hasKey("mouseButton")) {
handler.setMouseButton(config.getInt("mouseButton"))
}
}
abstract fun createEventBuilder(handler: T): GestureHandlerEventDataBuilder<T>
}
private class NativeViewGestureHandlerFactory : HandlerFactory<NativeViewGestureHandler>() {
override val type = NativeViewGestureHandler::class.java
override val name = "NativeViewGestureHandler"
override fun create(context: Context?): NativeViewGestureHandler {
return NativeViewGestureHandler()
}
override fun configure(handler: NativeViewGestureHandler, config: ReadableMap) {
super.configure(handler, config)
if (config.hasKey(KEY_NATIVE_VIEW_SHOULD_ACTIVATE_ON_START)) {
handler.setShouldActivateOnStart(
config.getBoolean(KEY_NATIVE_VIEW_SHOULD_ACTIVATE_ON_START)
)
}
if (config.hasKey(KEY_NATIVE_VIEW_DISALLOW_INTERRUPTION)) {
handler.setDisallowInterruption(config.getBoolean(KEY_NATIVE_VIEW_DISALLOW_INTERRUPTION))
}
}
override fun createEventBuilder(handler: NativeViewGestureHandler) = NativeGestureHandlerEventDataBuilder(handler)
}
private class TapGestureHandlerFactory : HandlerFactory<TapGestureHandler>() {
override val type = TapGestureHandler::class.java
override val name = "TapGestureHandler"
override fun create(context: Context?): TapGestureHandler {
return TapGestureHandler()
}
override fun configure(handler: TapGestureHandler, config: ReadableMap) {
super.configure(handler, config)
if (config.hasKey(KEY_TAP_NUMBER_OF_TAPS)) {
handler.setNumberOfTaps(config.getInt(KEY_TAP_NUMBER_OF_TAPS))
}
if (config.hasKey(KEY_TAP_MAX_DURATION_MS)) {
handler.setMaxDurationMs(config.getInt(KEY_TAP_MAX_DURATION_MS).toLong())
}
if (config.hasKey(KEY_TAP_MAX_DELAY_MS)) {
handler.setMaxDelayMs(config.getInt(KEY_TAP_MAX_DELAY_MS).toLong())
}
if (config.hasKey(KEY_TAP_MAX_DELTA_X)) {
handler.setMaxDx(PixelUtil.toPixelFromDIP(config.getDouble(KEY_TAP_MAX_DELTA_X)))
}
if (config.hasKey(KEY_TAP_MAX_DELTA_Y)) {
handler.setMaxDy(PixelUtil.toPixelFromDIP(config.getDouble(KEY_TAP_MAX_DELTA_Y)))
}
if (config.hasKey(KEY_TAP_MAX_DIST)) {
handler.setMaxDist(PixelUtil.toPixelFromDIP(config.getDouble(KEY_TAP_MAX_DIST)))
}
if (config.hasKey(KEY_TAP_MIN_POINTERS)) {
handler.setMinNumberOfPointers(config.getInt(KEY_TAP_MIN_POINTERS))
}
}
override fun createEventBuilder(handler: TapGestureHandler) = TapGestureHandlerEventDataBuilder(handler)
}
private class LongPressGestureHandlerFactory : HandlerFactory<LongPressGestureHandler>() {
override val type = LongPressGestureHandler::class.java
override val name = "LongPressGestureHandler"
override fun create(context: Context?): LongPressGestureHandler {
return LongPressGestureHandler((context)!!)
}
override fun configure(handler: LongPressGestureHandler, config: ReadableMap) {
super.configure(handler, config)
if (config.hasKey(KEY_LONG_PRESS_MIN_DURATION_MS)) {
handler.minDurationMs = config.getInt(KEY_LONG_PRESS_MIN_DURATION_MS).toLong()
}
if (config.hasKey(KEY_LONG_PRESS_MAX_DIST)) {
handler.setMaxDist(PixelUtil.toPixelFromDIP(config.getDouble(KEY_LONG_PRESS_MAX_DIST)))
}
}
override fun createEventBuilder(handler: LongPressGestureHandler) = LongPressGestureHandlerEventDataBuilder(handler)
}
private class PanGestureHandlerFactory : HandlerFactory<PanGestureHandler>() {
override val type = PanGestureHandler::class.java
override val name = "PanGestureHandler"
override fun create(context: Context?): PanGestureHandler {
return PanGestureHandler(context)
}
override fun configure(handler: PanGestureHandler, config: ReadableMap) {
super.configure(handler, config)
var hasCustomActivationCriteria = false
if (config.hasKey(KEY_PAN_ACTIVE_OFFSET_X_START)) {
handler.setActiveOffsetXStart(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_ACTIVE_OFFSET_X_START)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_ACTIVE_OFFSET_X_END)) {
handler.setActiveOffsetXEnd(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_ACTIVE_OFFSET_X_END)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_FAIL_OFFSET_RANGE_X_START)) {
handler.setFailOffsetXStart(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_FAIL_OFFSET_RANGE_X_START)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_FAIL_OFFSET_RANGE_X_END)) {
handler.setFailOffsetXEnd(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_FAIL_OFFSET_RANGE_X_END)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_ACTIVE_OFFSET_Y_START)) {
handler.setActiveOffsetYStart(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_ACTIVE_OFFSET_Y_START)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_ACTIVE_OFFSET_Y_END)) {
handler.setActiveOffsetYEnd(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_ACTIVE_OFFSET_Y_END)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_FAIL_OFFSET_RANGE_Y_START)) {
handler.setFailOffsetYStart(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_FAIL_OFFSET_RANGE_Y_START)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_FAIL_OFFSET_RANGE_Y_END)) {
handler.setFailOffsetYEnd(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_FAIL_OFFSET_RANGE_Y_END)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_MIN_VELOCITY)) {
// This value is actually in DPs/ms, but we can use the same function as for converting
// from DPs to pixels as the unit we're converting is in the numerator
handler.setMinVelocity(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_MIN_VELOCITY)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_MIN_VELOCITY_X)) {
handler.setMinVelocityX(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_MIN_VELOCITY_X)))
hasCustomActivationCriteria = true
}
if (config.hasKey(KEY_PAN_MIN_VELOCITY_Y)) {
handler.setMinVelocityY(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_MIN_VELOCITY_Y)))
hasCustomActivationCriteria = true
}
// PanGestureHandler sets minDist by default, if there are custom criteria specified we want
// to reset that setting and use provided criteria instead.
if (config.hasKey(KEY_PAN_MIN_DIST)) {
handler.setMinDist(PixelUtil.toPixelFromDIP(config.getDouble(KEY_PAN_MIN_DIST)))
} else if (hasCustomActivationCriteria) {
handler.setMinDist(Float.MAX_VALUE)
}
if (config.hasKey(KEY_PAN_MIN_POINTERS)) {
handler.setMinPointers(config.getInt(KEY_PAN_MIN_POINTERS))
}
if (config.hasKey(KEY_PAN_MAX_POINTERS)) {
handler.setMaxPointers(config.getInt(KEY_PAN_MAX_POINTERS))
}
if (config.hasKey(KEY_PAN_AVG_TOUCHES)) {
handler.setAverageTouches(config.getBoolean(KEY_PAN_AVG_TOUCHES))
}
if (config.hasKey(KEY_PAN_ACTIVATE_AFTER_LONG_PRESS)) {
handler.setActivateAfterLongPress(config.getInt(KEY_PAN_ACTIVATE_AFTER_LONG_PRESS).toLong())
}
}
override fun createEventBuilder(handler: PanGestureHandler) = PanGestureHandlerEventDataBuilder(handler)
}
private class PinchGestureHandlerFactory : HandlerFactory<PinchGestureHandler>() {
override val type = PinchGestureHandler::class.java
override val name = "PinchGestureHandler"
override fun create(context: Context?): PinchGestureHandler {
return PinchGestureHandler()
}
override fun createEventBuilder(handler: PinchGestureHandler) = PinchGestureHandlerEventDataBuilder(handler)
}
private class FlingGestureHandlerFactory : HandlerFactory<FlingGestureHandler>() {
override val type = FlingGestureHandler::class.java
override val name = "FlingGestureHandler"
override fun create(context: Context?): FlingGestureHandler {
return FlingGestureHandler()
}
override fun configure(handler: FlingGestureHandler, config: ReadableMap) {
super.configure(handler, config)
if (config.hasKey(KEY_NUMBER_OF_POINTERS)) {
handler.numberOfPointersRequired = config.getInt(KEY_NUMBER_OF_POINTERS)
}
if (config.hasKey(KEY_DIRECTION)) {
handler.direction = config.getInt(KEY_DIRECTION)
}
}
override fun createEventBuilder(handler: FlingGestureHandler) = FlingGestureHandlerEventDataBuilder(handler)
}
private class RotationGestureHandlerFactory : HandlerFactory<RotationGestureHandler>() {
override val type = RotationGestureHandler::class.java
override val name = "RotationGestureHandler"
override fun create(context: Context?): RotationGestureHandler {
return RotationGestureHandler()
}
override fun createEventBuilder(handler: RotationGestureHandler) = RotationGestureHandlerEventDataBuilder(handler)
}
private class ManualGestureHandlerFactory : HandlerFactory<ManualGestureHandler>() {
override val type = ManualGestureHandler::class.java
override val name = "ManualGestureHandler"
override fun create(context: Context?): ManualGestureHandler {
return ManualGestureHandler()
}
override fun createEventBuilder(handler: ManualGestureHandler) = ManualGestureHandlerEventDataBuilder(handler)
}
private class HoverGestureHandlerFactory : HandlerFactory<HoverGestureHandler>() {
override val type = HoverGestureHandler::class.java
override val name = "HoverGestureHandler"
override fun create(context: Context?): HoverGestureHandler {
return HoverGestureHandler()
}
override fun createEventBuilder(handler: HoverGestureHandler) = HoverGestureHandlerEventDataBuilder(handler)
}
private val eventListener = object : OnTouchEventListener {
override fun <T : GestureHandler<T>> onHandlerUpdate(handler: T, event: MotionEvent) {
this@RNGestureHandlerModule.onHandlerUpdate(handler)
}
override fun <T : GestureHandler<T>> onStateChange(handler: T, newState: Int, oldState: Int) {
this@RNGestureHandlerModule.onStateChange(handler, newState, oldState)
}
override fun <T : GestureHandler<T>> onTouchEvent(handler: T) {
this@RNGestureHandlerModule.onTouchEvent(handler)
}
}
private val handlerFactories = arrayOf<HandlerFactory<*>>(
NativeViewGestureHandlerFactory(),
TapGestureHandlerFactory(),
LongPressGestureHandlerFactory(),
PanGestureHandlerFactory(),
PinchGestureHandlerFactory(),
RotationGestureHandlerFactory(),
FlingGestureHandlerFactory(),
ManualGestureHandlerFactory(),
HoverGestureHandlerFactory(),
)
val registry: RNGestureHandlerRegistry = RNGestureHandlerRegistry()
private val interactionManager = RNGestureHandlerInteractionManager()
private val roots: MutableList<RNGestureHandlerRootHelper> = ArrayList()
private val reanimatedEventDispatcher = ReanimatedEventDispatcher()
override fun getName() = NAME
@Suppress("UNCHECKED_CAST")
private fun <T : GestureHandler<T>> createGestureHandlerHelper(
handlerName: String,
handlerTag: Int,
config: ReadableMap,
) {
if (registry.getHandler(handlerTag) !== null) {
throw IllegalStateException(
"Handler with tag $handlerTag already exists. Please ensure that no Gesture instance is used across multiple GestureDetectors."
)
}
for (handlerFactory in handlerFactories as Array<HandlerFactory<T>>) {
if (handlerFactory.name == handlerName) {
val handler = handlerFactory.create(reactApplicationContext).apply {
tag = handlerTag
setOnTouchEventListener(eventListener)
}
registry.registerHandler(handler)
interactionManager.configureInteractions(handler, config)
handlerFactory.configure(handler, config)
return
}
}
throw JSApplicationIllegalArgumentException("Invalid handler name $handlerName")
}
@ReactMethod
override fun createGestureHandler(
handlerName: String,
handlerTagDouble: Double,
config: ReadableMap,
) {
val handlerTag = handlerTagDouble.toInt()
createGestureHandlerHelper(handlerName, handlerTag, config)
}
@ReactMethod
override fun attachGestureHandler(handlerTagDouble: Double, viewTagDouble: Double, actionTypeDouble: Double) {
val handlerTag = handlerTagDouble.toInt()
val viewTag = viewTagDouble.toInt()
val actionType = actionTypeDouble.toInt()
// We don't have to handle view flattening in any special way since handlers are stored as
// a map: viewTag -> [handler]. If the view with attached handlers was to be flattened
// then that viewTag simply wouldn't be visited when traversing the view hierarchy in the
// Orchestrator effectively ignoring all handlers attached to flattened views.
if (!registry.attachHandlerToView(handlerTag, viewTag, actionType)) {
throw JSApplicationIllegalArgumentException("Handler with tag $handlerTag does not exists")
}
}
@Suppress("UNCHECKED_CAST")
private fun <T : GestureHandler<T>> updateGestureHandlerHelper(handlerTag: Int, config: ReadableMap) {
val handler = registry.getHandler(handlerTag) as T?
if (handler != null) {
val factory = findFactoryForHandler(handler)
if (factory != null) {
interactionManager.dropRelationsForHandlerWithTag(handlerTag)
interactionManager.configureInteractions(handler, config)
factory.configure(handler, config)
}
}
}
@ReactMethod
override fun updateGestureHandler(handlerTagDouble: Double, config: ReadableMap) {
val handlerTag = handlerTagDouble.toInt()
updateGestureHandlerHelper(handlerTag, config)
}
@ReactMethod
override fun dropGestureHandler(handlerTagDouble: Double) {
val handlerTag = handlerTagDouble.toInt()
interactionManager.dropRelationsForHandlerWithTag(handlerTag)
registry.dropHandler(handlerTag)
}
@ReactMethod
override fun handleSetJSResponder(viewTagDouble: Double, blockNativeResponder: Boolean) {
val viewTag = viewTagDouble.toInt()
val rootView = findRootHelperForViewAncestor(viewTag)
rootView?.handleSetJSResponder(viewTag, blockNativeResponder)
}
@ReactMethod
override fun handleClearJSResponder() {
}
@ReactMethod
override fun flushOperations() {
}
override fun setGestureHandlerState(handlerTag: Int, newState: Int) {
registry.getHandler(handlerTag)?.let { handler ->
when (newState) {
GestureHandler.STATE_ACTIVE -> handler.activate(force = true)
GestureHandler.STATE_BEGAN -> handler.begin()
GestureHandler.STATE_END -> handler.end()
GestureHandler.STATE_FAILED -> handler.fail()
GestureHandler.STATE_CANCELLED -> handler.cancel()
}
}
}
@ReactMethod(isBlockingSynchronousMethod = true)
override fun install(): Boolean {
reactApplicationContext.runOnJSQueueThread {
try {
SoLoader.loadLibrary("gesturehandler")
val jsContext = reactApplicationContext.javaScriptContextHolder!!
decorateRuntime(jsContext.get())
} catch (exception: Exception) {
Log.w("[RNGestureHandler]", "Could not install JSI bindings.")
}
}
return true
}
private external fun decorateRuntime(jsiPtr: Long)
override fun getConstants(): Map<String, Any> {
return mapOf(
"State" to mapOf(
"UNDETERMINED" to GestureHandler.STATE_UNDETERMINED,
"BEGAN" to GestureHandler.STATE_BEGAN,
"ACTIVE" to GestureHandler.STATE_ACTIVE,
"CANCELLED" to GestureHandler.STATE_CANCELLED,
"FAILED" to GestureHandler.STATE_FAILED,
"END" to GestureHandler.STATE_END
),
"Direction" to mapOf(
"RIGHT" to GestureHandler.DIRECTION_RIGHT,
"LEFT" to GestureHandler.DIRECTION_LEFT,
"UP" to GestureHandler.DIRECTION_UP,
"DOWN" to GestureHandler.DIRECTION_DOWN
)
)
}
override fun invalidate() {
registry.dropAllHandlers()
interactionManager.reset()
synchronized(roots) {
while (roots.isNotEmpty()) {
val sizeBefore: Int = roots.size
val root: RNGestureHandlerRootHelper = roots[0]
root.tearDown()
if (roots.size >= sizeBefore) {
throw IllegalStateException("Expected root helper to get unregistered while tearing down")
}
}
}
super.invalidate()
}
fun registerRootHelper(root: RNGestureHandlerRootHelper) {
synchronized(roots) {
if (root in roots) {
throw IllegalStateException("Root helper$root already registered")
}
roots.add(root)
}
}
fun unregisterRootHelper(root: RNGestureHandlerRootHelper) {
synchronized(roots) { roots.remove(root) }
}
private fun findRootHelperForViewAncestor(viewTag: Int): RNGestureHandlerRootHelper? {
// TODO: remove resolveRootTagFromReactTag as it's deprecated and unavailable on FabricUIManager
val uiManager = reactApplicationContext.UIManager
val rootViewTag = uiManager.resolveRootTagFromReactTag(viewTag)
if (rootViewTag < 1) {
return null
}
synchronized(roots) {
return roots.firstOrNull {
it.rootView is ReactRootView && it.rootView.rootViewTag == rootViewTag
}
}
}
@Suppress("UNCHECKED_CAST")
private fun <T : GestureHandler<T>> findFactoryForHandler(handler: GestureHandler<T>): HandlerFactory<T>? =
handlerFactories.firstOrNull { it.type == handler.javaClass } as HandlerFactory<T>?
private fun <T : GestureHandler<T>> onHandlerUpdate(handler: T) {
// triggers onUpdate and onChange callbacks on the JS side
if (handler.tag < 0) {
// root containers use negative tags, we don't need to dispatch events for them to the JS
return
}
if (handler.state == GestureHandler.STATE_ACTIVE) {
val handlerFactory = findFactoryForHandler(handler) ?: return
if (handler.actionType == GestureHandler.ACTION_TYPE_REANIMATED_WORKLET) {
// Reanimated worklet
val event = RNGestureHandlerEvent.obtain(handler, handlerFactory.createEventBuilder(handler))
sendEventForReanimated(event)
} else if (handler.actionType == GestureHandler.ACTION_TYPE_NATIVE_ANIMATED_EVENT) {
// Animated with useNativeDriver: true
val event = RNGestureHandlerEvent.obtain(
handler,
handlerFactory.createEventBuilder(handler),
useTopPrefixedName = BuildConfig.REACT_NATIVE_MINOR_VERSION >= 71
)
sendEventForNativeAnimatedEvent(event)
} else if (handler.actionType == GestureHandler.ACTION_TYPE_JS_FUNCTION_OLD_API) {
// JS function, Animated.event with useNativeDriver: false using old API
if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
val data = RNGestureHandlerEvent.createEventData(handlerFactory.createEventBuilder(handler))
sendEventForDeviceEvent(RNGestureHandlerEvent.EVENT_NAME, data)
} else {
val event = RNGestureHandlerEvent.obtain(handler, handlerFactory.createEventBuilder(handler))
sendEventForDirectEvent(event)
}
} else if (handler.actionType == GestureHandler.ACTION_TYPE_JS_FUNCTION_NEW_API) {
// JS function, Animated.event with useNativeDriver: false using new API
val data = RNGestureHandlerEvent.createEventData(handlerFactory.createEventBuilder(handler))
sendEventForDeviceEvent(RNGestureHandlerEvent.EVENT_NAME, data)
}
}
}
private fun <T : GestureHandler<T>> onStateChange(handler: T, newState: Int, oldState: Int) {
// triggers onBegin, onStart, onEnd, onFinalize callbacks on the JS side
if (handler.tag < 0) {
// root containers use negative tags, we don't need to dispatch events for them to the JS
return
}
val handlerFactory = findFactoryForHandler(handler) ?: return
if (handler.actionType == GestureHandler.ACTION_TYPE_REANIMATED_WORKLET) {
// Reanimated worklet
val event = RNGestureHandlerStateChangeEvent.obtain(handler, newState, oldState, handlerFactory.createEventBuilder(handler))
sendEventForReanimated(event)
} else if (handler.actionType == GestureHandler.ACTION_TYPE_NATIVE_ANIMATED_EVENT ||
handler.actionType == GestureHandler.ACTION_TYPE_JS_FUNCTION_OLD_API
) {
// JS function or Animated.event with useNativeDriver: false with old API
if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
val data = RNGestureHandlerStateChangeEvent.createEventData(handlerFactory.createEventBuilder(handler), newState, oldState)
sendEventForDeviceEvent(RNGestureHandlerStateChangeEvent.EVENT_NAME, data)
} else {
val event = RNGestureHandlerStateChangeEvent.obtain(handler, newState, oldState, handlerFactory.createEventBuilder(handler))
sendEventForDirectEvent(event)
}
} else if (handler.actionType == GestureHandler.ACTION_TYPE_JS_FUNCTION_NEW_API) {
// JS function or Animated.event with useNativeDriver: false with new API
val data = RNGestureHandlerStateChangeEvent.createEventData(handlerFactory.createEventBuilder(handler), newState, oldState)
sendEventForDeviceEvent(RNGestureHandlerStateChangeEvent.EVENT_NAME, data)
}
}
private fun <T : GestureHandler<T>> onTouchEvent(handler: T) {
// triggers onTouchesDown, onTouchesMove, onTouchesUp, onTouchesCancelled callbacks on the JS side
if (handler.tag < 0) {
// root containers use negative tags, we don't need to dispatch events for them to the JS
return
}
if (handler.state == GestureHandler.STATE_BEGAN || handler.state == GestureHandler.STATE_ACTIVE ||
handler.state == GestureHandler.STATE_UNDETERMINED || handler.view != null
) {
if (handler.actionType == GestureHandler.ACTION_TYPE_REANIMATED_WORKLET) {
// Reanimated worklet
val event = RNGestureHandlerTouchEvent.obtain(handler)
sendEventForReanimated(event)
} else if (handler.actionType == GestureHandler.ACTION_TYPE_JS_FUNCTION_NEW_API) {
// JS function, Animated.event with useNativeDriver: false with new API
val data = RNGestureHandlerTouchEvent.createEventData(handler)
sendEventForDeviceEvent(RNGestureHandlerEvent.EVENT_NAME, data)
}
}
}
private fun <T : Event<T>>sendEventForReanimated(event: T) {
// Delivers the event to Reanimated.
if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
// Send event directly to Reanimated
reanimatedEventDispatcher.sendEvent(event, reactApplicationContext)
} else {
// In the old architecture, Reanimated subscribes for specific direct events.
sendEventForDirectEvent(event)
}
}
private fun sendEventForNativeAnimatedEvent(event: RNGestureHandlerEvent) {
// Delivers the event to NativeAnimatedModule.
// TODO: send event directly to NativeAnimated[Turbo]Module
// ReactContext.dispatchEvent is an extension function, depending on the architecture it will
// dispatch event using UIManagerModule or FabricUIManager.
reactApplicationContext.dispatchEvent(event)
}
private fun <T : Event<T>>sendEventForDirectEvent(event: T) {
// Delivers the event to JS as a direct event. This method is called only on Paper.
reactApplicationContext.dispatchEvent(event)
}
private fun sendEventForDeviceEvent(eventName: String, data: WritableMap) {
// Delivers the event to JS as a device event.
reactApplicationContext.deviceEventEmitter.emit(eventName, data)
}
companion object {
const val NAME = "RNGestureHandlerModule"
private const val KEY_SHOULD_CANCEL_WHEN_OUTSIDE = "shouldCancelWhenOutside"
private const val KEY_ENABLED = "enabled"
private const val KEY_NEEDS_POINTER_DATA = "needsPointerData"
private const val KEY_MANUAL_ACTIVATION = "manualActivation"
private const val KEY_HIT_SLOP = "hitSlop"
private const val KEY_HIT_SLOP_LEFT = "left"
private const val KEY_HIT_SLOP_TOP = "top"
private const val KEY_HIT_SLOP_RIGHT = "right"
private const val KEY_HIT_SLOP_BOTTOM = "bottom"
private const val KEY_HIT_SLOP_VERTICAL = "vertical"
private const val KEY_HIT_SLOP_HORIZONTAL = "horizontal"
private const val KEY_HIT_SLOP_WIDTH = "width"
private const val KEY_HIT_SLOP_HEIGHT = "height"
private const val KEY_NATIVE_VIEW_SHOULD_ACTIVATE_ON_START = "shouldActivateOnStart"
private const val KEY_NATIVE_VIEW_DISALLOW_INTERRUPTION = "disallowInterruption"
private const val KEY_TAP_NUMBER_OF_TAPS = "numberOfTaps"
private const val KEY_TAP_MAX_DURATION_MS = "maxDurationMs"
private const val KEY_TAP_MAX_DELAY_MS = "maxDelayMs"
private const val KEY_TAP_MAX_DELTA_X = "maxDeltaX"
private const val KEY_TAP_MAX_DELTA_Y = "maxDeltaY"
private const val KEY_TAP_MAX_DIST = "maxDist"
private const val KEY_TAP_MIN_POINTERS = "minPointers"
private const val KEY_LONG_PRESS_MIN_DURATION_MS = "minDurationMs"
private const val KEY_LONG_PRESS_MAX_DIST = "maxDist"
private const val KEY_PAN_ACTIVE_OFFSET_X_START = "activeOffsetXStart"
private const val KEY_PAN_ACTIVE_OFFSET_X_END = "activeOffsetXEnd"
private const val KEY_PAN_FAIL_OFFSET_RANGE_X_START = "failOffsetXStart"
private const val KEY_PAN_FAIL_OFFSET_RANGE_X_END = "failOffsetXEnd"
private const val KEY_PAN_ACTIVE_OFFSET_Y_START = "activeOffsetYStart"
private const val KEY_PAN_ACTIVE_OFFSET_Y_END = "activeOffsetYEnd"
private const val KEY_PAN_FAIL_OFFSET_RANGE_Y_START = "failOffsetYStart"
private const val KEY_PAN_FAIL_OFFSET_RANGE_Y_END = "failOffsetYEnd"
private const val KEY_PAN_MIN_DIST = "minDist"
private const val KEY_PAN_MIN_VELOCITY = "minVelocity"
private const val KEY_PAN_MIN_VELOCITY_X = "minVelocityX"
private const val KEY_PAN_MIN_VELOCITY_Y = "minVelocityY"
private const val KEY_PAN_MIN_POINTERS = "minPointers"
private const val KEY_PAN_MAX_POINTERS = "maxPointers"
private const val KEY_PAN_AVG_TOUCHES = "avgTouches"
private const val KEY_PAN_ACTIVATE_AFTER_LONG_PRESS = "activateAfterLongPress"
private const val KEY_NUMBER_OF_POINTERS = "numberOfPointers"
private const val KEY_DIRECTION = "direction"
private fun handleHitSlopProperty(handler: GestureHandler<*>, config: ReadableMap) {
if (config.getType(KEY_HIT_SLOP) == ReadableType.Number) {
val hitSlop = PixelUtil.toPixelFromDIP(config.getDouble(KEY_HIT_SLOP))
handler.setHitSlop(hitSlop, hitSlop, hitSlop, hitSlop, GestureHandler.HIT_SLOP_NONE, GestureHandler.HIT_SLOP_NONE)
} else {
val hitSlop = config.getMap(KEY_HIT_SLOP)!!
var left = GestureHandler.HIT_SLOP_NONE
var top = GestureHandler.HIT_SLOP_NONE
var right = GestureHandler.HIT_SLOP_NONE
var bottom = GestureHandler.HIT_SLOP_NONE
var width = GestureHandler.HIT_SLOP_NONE
var height = GestureHandler.HIT_SLOP_NONE
if (hitSlop.hasKey(KEY_HIT_SLOP_HORIZONTAL)) {
val horizontalPad = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_HORIZONTAL))
right = horizontalPad
left = right
}
if (hitSlop.hasKey(KEY_HIT_SLOP_VERTICAL)) {
val verticalPad = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_VERTICAL))
bottom = verticalPad
top = bottom
}
if (hitSlop.hasKey(KEY_HIT_SLOP_LEFT)) {
left = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_LEFT))
}
if (hitSlop.hasKey(KEY_HIT_SLOP_TOP)) {
top = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_TOP))
}
if (hitSlop.hasKey(KEY_HIT_SLOP_RIGHT)) {
right = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_RIGHT))
}
if (hitSlop.hasKey(KEY_HIT_SLOP_BOTTOM)) {
bottom = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_BOTTOM))
}
if (hitSlop.hasKey(KEY_HIT_SLOP_WIDTH)) {
width = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_WIDTH))
}
if (hitSlop.hasKey(KEY_HIT_SLOP_HEIGHT)) {
height = PixelUtil.toPixelFromDIP(hitSlop.getDouble(KEY_HIT_SLOP_HEIGHT))
}
handler.setHitSlop(left, top, right, bottom, width, height)
}
}
}
}