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ReactEventEmitter -> Kotlin (facebook#48464)
Summary: Pull Request resolved: facebook#48464 # Changelog: [Internal] - As in the title. Differential Revision: D67791375
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
|
||
| package com.facebook.react.uimanager.events | ||
|
|
||
| import com.facebook.infer.annotation.Assertions | ||
| import com.facebook.react.bridge.ReactApplicationContext | ||
| import com.facebook.react.bridge.ReactNoCrashSoftException | ||
| import com.facebook.react.bridge.ReactSoftExceptionLogger.logSoftException | ||
| import com.facebook.react.bridge.WritableArray | ||
| import com.facebook.react.bridge.WritableMap | ||
| import com.facebook.react.uimanager.common.UIManagerType | ||
| import com.facebook.react.uimanager.common.ViewUtil.getUIManagerType | ||
|
|
||
| internal class ReactEventEmitter(private val reactContext: ReactApplicationContext) : | ||
| RCTModernEventEmitter { | ||
| /** Corresponds to [com.facebook.react.fabric.events.FabricEventEmitter] */ | ||
| private var fabricEventEmitter: RCTModernEventEmitter? = null | ||
|
|
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| /** Corresponds to (Paper) EventEmitter, which is a JS interface */ | ||
| @Suppress("DEPRECATION") private var defaultEventEmitter: RCTEventEmitter? = null | ||
|
|
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| fun register(@UIManagerType uiManagerType: Int, eventEmitter: RCTModernEventEmitter?) { | ||
| assert(uiManagerType == UIManagerType.FABRIC) | ||
| fabricEventEmitter = eventEmitter | ||
| } | ||
|
|
||
| @Suppress("DEPRECATION") | ||
| fun register(@UIManagerType uiManagerType: Int, eventEmitter: RCTEventEmitter?) { | ||
| assert(uiManagerType == UIManagerType.DEFAULT) | ||
| defaultEventEmitter = eventEmitter | ||
| } | ||
|
|
||
| fun unregister(@UIManagerType uiManagerType: Int) { | ||
| if (uiManagerType == UIManagerType.DEFAULT) { | ||
| defaultEventEmitter = null | ||
| } else { | ||
| fabricEventEmitter = null | ||
| } | ||
| } | ||
|
|
||
| @Deprecated("Please use RCTModernEventEmitter") | ||
| override fun receiveEvent(targetReactTag: Int, eventName: String, event: WritableMap?) { | ||
| receiveEvent(-1, targetReactTag, eventName, event) | ||
| } | ||
|
|
||
| override fun receiveEvent( | ||
| surfaceId: Int, | ||
| targetTag: Int, | ||
| eventName: String, | ||
| event: WritableMap? | ||
| ) { | ||
| // We assume this event can't be coalesced. `customCoalesceKey` has no meaning in Fabric. | ||
| receiveEvent(surfaceId, targetTag, eventName, false, 0, event, EventCategoryDef.UNSPECIFIED) | ||
| } | ||
|
|
||
| @Deprecated("Please use RCTModernEventEmitter") | ||
| override fun receiveTouches( | ||
| eventName: String, | ||
| touches: WritableArray, | ||
| changedIndices: WritableArray | ||
| ) { | ||
| /* | ||
| * This method should be unused by default processing pipeline, but leaving it here to make sure | ||
| * that any custom code using it in legacy renderer is compatible | ||
| */ | ||
| Assertions.assertCondition(touches.size() > 0) | ||
|
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| @Suppress("DEPRECATION") val reactTag = touches.getMap(0)?.getInt(TouchesHelper.TARGET_KEY) ?: 0 | ||
| @UIManagerType val uiManagerType = getUIManagerType(reactTag) | ||
| if (uiManagerType == UIManagerType.DEFAULT) { | ||
| @Suppress("DEPRECATION") | ||
| ensureDefaultEventEmitter()?.receiveTouches(eventName, touches, changedIndices) | ||
| } | ||
| } | ||
|
|
||
| @Deprecated("Please use RCTModernEventEmitter") | ||
| override fun receiveTouches(event: TouchEvent) { | ||
| @UIManagerType val uiManagerType = getUIManagerType(event.viewTag, event.surfaceId) | ||
| if (uiManagerType == UIManagerType.FABRIC) { | ||
| fabricEventEmitter?.let { TouchesHelper.sendTouchEvent(it, event) } | ||
| } else if (uiManagerType == UIManagerType.DEFAULT) { | ||
| ensureDefaultEventEmitter()?.let { TouchesHelper.sendTouchesLegacy(it, event) } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Get default/Paper event emitter. Callers should have verified that this is not an event for a | ||
| * View managed by Fabric | ||
| */ | ||
| @Suppress("DEPRECATION") | ||
| private fun ensureDefaultEventEmitter(): RCTEventEmitter? { | ||
| if (defaultEventEmitter == null) { | ||
| if (reactContext.hasActiveReactInstance()) { | ||
| @Suppress("DEPRECATION") | ||
| defaultEventEmitter = reactContext.getJSModule(RCTEventEmitter::class.java) | ||
| } else { | ||
| logSoftException( | ||
| TAG, | ||
| ReactNoCrashSoftException( | ||
| "Cannot get RCTEventEmitter from Context, no active Catalyst instance!")) | ||
| } | ||
| } | ||
| return defaultEventEmitter | ||
| } | ||
|
|
||
| override fun receiveEvent( | ||
| surfaceId: Int, | ||
| targetReactTag: Int, | ||
| eventName: String, | ||
| canCoalesceEvent: Boolean, | ||
| customCoalesceKey: Int, | ||
| event: WritableMap?, | ||
| @EventCategoryDef category: Int | ||
| ) { | ||
| @UIManagerType val uiManagerType = getUIManagerType(targetReactTag, surfaceId) | ||
| if (uiManagerType == UIManagerType.FABRIC) { | ||
| fabricEventEmitter?.receiveEvent( | ||
| surfaceId, | ||
| targetReactTag, | ||
| eventName, | ||
| canCoalesceEvent, | ||
| customCoalesceKey, | ||
| event, | ||
| category) | ||
| } else if (uiManagerType == UIManagerType.DEFAULT) { | ||
| @Suppress("DEPRECATION") | ||
| ensureDefaultEventEmitter()?.receiveEvent(targetReactTag, eventName, event) | ||
| } | ||
| } | ||
|
|
||
| companion object { | ||
| private const val TAG = "ReactEventEmitter" | ||
| } | ||
| } |
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