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AppcuesFlutterPlugin.kt
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package com.appcues.flutter
import android.app.Activity
import android.content.Context
import android.content.Intent
import android.net.Uri
import androidx.annotation.NonNull
import com.appcues.AnalyticType
import com.appcues.AnalyticsListener
import com.appcues.Appcues
import com.appcues.AppcuesFrameView
import com.appcues.LoggingLevel
import io.flutter.embedding.engine.plugins.FlutterPlugin
import io.flutter.embedding.engine.plugins.activity.ActivityAware
import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
import io.flutter.embedding.engine.renderer.FlutterRenderer
import io.flutter.plugin.common.EventChannel
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugin.common.MethodChannel.MethodCallHandler
import io.flutter.plugin.common.MethodChannel.Result
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
/** AppcuesFlutterPlugin */
class AppcuesFlutterPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
private lateinit var methodChannel: MethodChannel
private lateinit var analyticsChannel: EventChannel
private lateinit var context: Context
private lateinit var _renderer: FlutterRenderer
internal val renderer: FlutterRenderer
get() = _renderer
private var _activity: Activity? = null
internal val activity: Activity?
get() = _activity
// this implies the consumer must call "initialize" first, or they will get an error below
private lateinit var implementation: Appcues
private val elementTargeting = FlutterElementTargetingStrategy(this)
private val mainScope = CoroutineScope(Dispatchers.Main)
override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
context = flutterPluginBinding.applicationContext
methodChannel = MethodChannel(flutterPluginBinding.binaryMessenger, "appcues_flutter")
methodChannel.setMethodCallHandler(this)
analyticsChannel = EventChannel(flutterPluginBinding.binaryMessenger, "appcues_analytics")
_renderer = flutterPluginBinding.flutterEngine.renderer
flutterPluginBinding.platformViewRegistry.registerViewFactory(
"AppcuesFrameView",
AppcuesFrameViewFactory(this, flutterPluginBinding.binaryMessenger)
)
}
override fun onAttachedToActivity(binding: ActivityPluginBinding) {
this._activity = binding.activity
}
override fun onDetachedFromActivityForConfigChanges() {
this._activity = null
}
override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
this._activity = binding.activity
}
override fun onDetachedFromActivity() {
this._activity = null
}
override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
when (call.method) {
"initialize" -> {
val accountId = call.argument<String>("accountId")
val applicationId = call.argument<String>("applicationId")
if (accountId != null && applicationId != null) {
implementation = Appcues(context, accountId, applicationId) {
call.argument<HashMap<String, Any?>>("options")?.let {
val logging = it["logging"] as? Boolean
if (logging != null) {
this.loggingLevel = if (logging) LoggingLevel.INFO else LoggingLevel.NONE
}
val apiHost = it["apiHost"] as? String
if (apiHost != null) {
this.apiBasePath = apiHost
}
val sessionTimeout = it["sessionTimeout"] as? Double
if (sessionTimeout != null) {
this.sessionTimeout = sessionTimeout.toInt()
}
val activityStorageMaxSize = it["activityStorageMaxSize"] as? Double
if (activityStorageMaxSize != null) {
this.activityStorageMaxSize = activityStorageMaxSize.toInt()
}
val activityStorageMaxAge = it["activityStorageMaxAge"] as? Double
if (activityStorageMaxAge != null) {
this.activityStorageMaxAge = activityStorageMaxAge.toInt()
}
}
call.argument<HashMap<String, Any>>("additionalAutoProperties")?.let {
this.additionalAutoProperties = it
}
}
analyticsChannel.setStreamHandler(object: EventChannel.StreamHandler {
override fun onListen(arguments: Any?, events: EventChannel.EventSink?) {
implementation.analyticsListener = object: AnalyticsListener {
override fun trackedAnalytic(
type: AnalyticType,
value: String?,
properties: Map<String, Any>?,
isInternal: Boolean
) {
events?.success(
hashMapOf(
"analytic" to type.name,
"value" to (value ?: ""),
"properties" to (properties ?: mapOf()),
"isInternal" to isInternal,
)
)
}
}
}
override fun onCancel(arguments: Any?) {
implementation.analyticsListener = null
}
})
Appcues.elementTargeting = elementTargeting
result.success(null)
} else {
result.badArgs("accountId, applicationId")
}
}
"identify" -> {
val userId = call.argument<String>("userId")
if (userId != null) {
val properties = call.argument<HashMap<String, Any>>("properties");
implementation.identify(userId, properties)
result.success(null)
} else {
result.badArgs("userId")
}
}
"group" -> {
val groupId = call.argument<String>("groupId")
val properties = call.argument<HashMap<String, Any>>("properties");
implementation.group(groupId, properties)
result.success(null)
}
"track" -> {
val eventName = call.argument<String>("name")
if (eventName != null) {
val properties = call.argument<HashMap<String, Any>>("properties");
implementation.track(eventName, properties)
result.success(null)
} else {
result.badArgs("name")
}
}
"screen" -> {
val title = call.argument<String>("title")
if (title != null) {
val properties = call.argument<HashMap<String, Any>>("properties");
implementation.screen(title, properties)
result.success(null)
} else {
result.badArgs("title")
}
}
"anonymous" -> {
implementation.anonymous()
result.success(null)
}
"reset" -> {
implementation.reset()
result.success(null)
}
"version" -> {
result.success(implementation.version)
}
"debug" -> {
activity?.let {
implementation.debug(it)
}
result.success(null)
}
"show" -> {
val experienceId = call.argument<String>("experienceId")
if (experienceId != null) {
mainScope.launch {
val success = implementation.show(experienceId)
if (success) {
result.success(null)
} else {
result.error("show-experience-failure", "unable to show experience $experienceId", null)
}
}
} else {
result.badArgs("experienceId")
}
}
"didHandleURL" -> {
val url = call.argument<String>("url")
if (url != null) {
val activity = this.activity
if (activity != null) {
val uri = Uri.parse(url)
val intent = Intent(Intent.ACTION_VIEW)
intent.data = uri
result.success(implementation.onNewIntent(activity, intent))
} else {
result.error("no-activity", "unable to handle the URL, no current running Activity found", null)
}
} else {
result.badArgs("url")
}
}
"setTargetElements" -> {
var viewElements = call.argument<List<HashMap<String, Any>>>("viewElements");
if (viewElements != null) {
elementTargeting.setTargetElements(viewElements)
}
}
else -> result.notImplemented()
}
}
override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
methodChannel.setMethodCallHandler(null)
}
internal fun registerEmbed(frameId: String, frame: AppcuesFrameView) {
implementation.registerEmbed(frameId, frame)
}
private fun Result.badArgs(names: String) {
error("bad-args", "missing one or more required args", names)
}
}