commonMain.com.multiplatform.webview.jsbridge.JsMessageDispatcher.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compose-webview-multiplatform Show documentation

WebView for JetBrains Compose Multiplatform

There is a newer version: 1.9.40-alpha04

Show newest version

package com.multiplatform.webview.jsbridge

import androidx.compose.runtime.Immutable
import com.multiplatform.webview.web.WebViewNavigator

/**
 * Created By Kevin Zou On 2023/10/31
 */

/**
 * A message dispatched from JS to native.
 */
@Immutable
internal class JsMessageDispatcher {
    private val jsHandlerMap = mutableMapOf()

    fun registerJSHandler(handler: IJsMessageHandler) {
        jsHandlerMap[handler.methodName()] = handler
    }

    fun dispatch(
        message: JsMessage,
        navigator: WebViewNavigator? = null,
        callback: (String) -> Unit,
    ) {
        jsHandlerMap[message.methodName]?.handle(message, navigator, callback)
    }

    fun canHandle(id: String) = jsHandlerMap.containsKey(id)

    fun unregisterJSHandler(handler: IJsMessageHandler) {
        jsHandlerMap.remove(handler.methodName())
    }

    fun clear() {
        jsHandlerMap.clear()
    }
}