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Update ReceiveSharingIntentPlugin.kt #115

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Update ReceiveSharingIntentPlugin.kt #115

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140 changes: 54 additions & 86 deletions android/src/main/kotlin/com/kasem/receive_sharing_intent/ReceiveSharingIntentPlugin.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -7,29 +7,26 @@ import android.media.MediaMetadataRetriever
import android.media.ThumbnailUtils
import android.net.Uri
import android.provider.MediaStore
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.plugin.common.BinaryMessenger
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 io.flutter.plugin.common.PluginRegistry
import io.flutter.plugin.common.PluginRegistry.Registrar
import io.flutter.plugin.common.PluginRegistry.NewIntentListener
import org.json.JSONArray
import org.json.JSONObject
import java.io.File
import java.io.FileOutputStream
import java.net.URLConnection
import android.os.Build
import android.util.Log

private const val MESSAGES_CHANNEL = "receive_sharing_intent/messages"
private const val EVENTS_CHANNEL_MEDIA = "receive_sharing_intent/events-media"
private const val EVENTS_CHANNEL_TEXT = "receive_sharing_intent/events-text"

class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandler,
EventChannel.StreamHandler, NewIntentListener {
class ReceiveSharingIntentPlugin(val registrar: Registrar) :
MethodCallHandler,
EventChannel.StreamHandler,
PluginRegistry.NewIntentListener {

private var initialMedia: JSONArray? = null
private var latestMedia: JSONArray? = null
Expand All @@ -40,26 +37,8 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
private var eventSinkMedia: EventChannel.EventSink? = null
private var eventSinkText: EventChannel.EventSink? = null

private var binding: ActivityPluginBinding? = null
private lateinit var applicationContext: Context

private fun setupCallbackChannels(binaryMessenger: BinaryMessenger) {
val mChannel = MethodChannel(binaryMessenger, MESSAGES_CHANNEL)
mChannel.setMethodCallHandler(this)

val eChannelMedia = EventChannel(binaryMessenger, EVENTS_CHANNEL_MEDIA)
eChannelMedia.setStreamHandler(this)

val eChannelText = EventChannel(binaryMessenger, EVENTS_CHANNEL_TEXT)
eChannelText.setStreamHandler(this)
}

override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
applicationContext = binding.applicationContext
setupCallbackChannels(binding.binaryMessenger)
}

override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
init {
handleIntent(registrar.context(), registrar.activity().intent, true)
}

override fun onListen(arguments: Any?, events: EventChannel.EventSink) {
Expand All @@ -76,30 +55,44 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
}
}

// This static function is optional and equivalent to onAttachedToEngine. It supports the old
// pre-Flutter-1.12 Android projects. You are encouraged to continue supporting
// plugin registration via this function while apps migrate to use the new Android APIs
// post-flutter-1.12 via https://flutter.dev/go/android-project-migration.
//
// It is encouraged to share logic between onAttachedToEngine and registerWith to keep
// them functionally equivalent. Only one of onAttachedToEngine or registerWith will be called
// depending on the user's project. onAttachedToEngine or registerWith must both be defined
// in the same class.
override fun onNewIntent(intent: Intent): Boolean {
handleIntent(registrar.context(), intent, false)
return false
}

companion object {
private val MESSAGES_CHANNEL = "receive_sharing_intent/messages"
private val EVENTS_CHANNEL_MEDIA = "receive_sharing_intent/events-media"
private val EVENTS_CHANNEL_TEXT = "receive_sharing_intent/events-text"

@JvmStatic
fun registerWith(registrar: Registrar) {
val instance = ReceiveSharingIntentPlugin()
instance.applicationContext = registrar.context()
instance.setupCallbackChannels(registrar.messenger())
// Detect if we've been launched in background
if (registrar.activity() == null) {
return
}

val instance = ReceiveSharingIntentPlugin(registrar)

val mChannel = MethodChannel(registrar.messenger(), MESSAGES_CHANNEL)
mChannel.setMethodCallHandler(instance)

val eChannelMedia = EventChannel(registrar.messenger(), EVENTS_CHANNEL_MEDIA)
eChannelMedia.setStreamHandler(instance)

val eChannelText = EventChannel(registrar.messenger(), EVENTS_CHANNEL_TEXT)
eChannelText.setStreamHandler(instance)

registrar.addNewIntentListener(instance)
}
}


override fun onMethodCall(call: MethodCall, result: Result) {
when (call.method) {
"getInitialMedia" -> result.success(initialMedia?.toString())
"getInitialText" -> result.success(initialText)
"reset" -> {
when {
call.method == "getInitialMedia" -> result.success(initialMedia?.toString())
call.method == "getInitialText" -> result.success(initialText)
call.method == "reset" -> {
initialMedia = null
latestMedia = null
initialText = null
Expand All @@ -110,13 +103,13 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
}
}

private fun handleIntent(intent: Intent, initial: Boolean) {
private fun handleIntent(context: Context, intent: Intent, initial: Boolean) {
when {
(intent.type?.startsWith("text") != true)
&& (intent.action == Intent.ACTION_SEND
|| intent.action == Intent.ACTION_SEND_MULTIPLE) -> { // Sharing images or videos

val value = getMediaUris(intent)
val value = getMediaUris(context, intent)
if (initial) initialMedia = value
latestMedia = value
eventSinkMedia?.success(latestMedia?.toString())
Expand All @@ -137,16 +130,16 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
}
}

private fun getMediaUris(intent: Intent?): JSONArray? {
private fun getMediaUris(context: Context, intent: Intent?): JSONArray? {
if (intent == null) return null

return when (intent.action) {
Intent.ACTION_SEND -> {
val uri = intent.getParcelableExtra<Uri>(Intent.EXTRA_STREAM)
val path = FileDirectory.getAbsolutePath(applicationContext, uri)
return when {
intent.action == Intent.ACTION_SEND -> {
val uri = intent.getParcelableExtra<Uri>(Intent.EXTRA_STREAM) ?: return null
val path = FileDirectory.getAbsolutePath(context, uri)
if (path != null) {
val type = getMediaType(path)
val thumbnail = getThumbnail(path, type)
val thumbnail = getThumbnail(context, path, type)
val duration = getDuration(path, type)
JSONArray().put(
JSONObject()
Expand All @@ -157,13 +150,12 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
)
} else null
}
Intent.ACTION_SEND_MULTIPLE -> {
intent.action == Intent.ACTION_SEND_MULTIPLE -> {
val uris = intent.getParcelableArrayListExtra<Uri>(Intent.EXTRA_STREAM)
val value = uris?.mapNotNull { uri ->
val path = FileDirectory.getAbsolutePath(applicationContext, uri)
?: return@mapNotNull null
val path = FileDirectory.getAbsolutePath(context, uri) ?: return@mapNotNull null
val type = getMediaType(path)
val thumbnail = getThumbnail(path, type)
val thumbnail = getThumbnail(context, path, type)
val duration = getDuration(path, type)
return@mapNotNull JSONObject()
.put("path", path)
Expand All @@ -186,11 +178,11 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
}
}

private fun getThumbnail(path: String, type: MediaType): String? {
private fun getThumbnail(context: Context, path: String, type: MediaType): String? {
if (type != MediaType.VIDEO) return null // get video thumbnail only

val videoFile = File(path)
val targetFile = File(applicationContext.cacheDir, "${videoFile.name}.png")
val targetFile = File(context.cacheDir, "${videoFile.name}.png")
val bitmap = ThumbnailUtils.createVideoThumbnail(path, MediaStore.Video.Thumbnails.MINI_KIND)
?: return null
FileOutputStream(targetFile).use { out ->
Expand All @@ -200,40 +192,16 @@ class ReceiveSharingIntentPlugin : FlutterPlugin, ActivityAware, MethodCallHandl
return targetFile.path
}

private fun getDuration(path: String, type: MediaType): Long? {
private fun getDuration(path: String?, type: MediaType?): Long? {
if (type != MediaType.VIDEO) return null // get duration for video only
val retriever = MediaMetadataRetriever()
retriever.setDataSource(path)
val duration = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION).toLongOrNull()
val duration = retriever?.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)?.toLongOrNull()
retriever.release()
return duration
}

enum class MediaType {
IMAGE, VIDEO, FILE;
}

override fun onAttachedToActivity(binding: ActivityPluginBinding) {
this.binding = binding
binding.addOnNewIntentListener(this)
handleIntent(binding.activity.intent, true)
}

override fun onDetachedFromActivityForConfigChanges() {
binding?.removeOnNewIntentListener(this)
}

override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
this.binding = binding
binding.addOnNewIntentListener(this)
}

override fun onDetachedFromActivity() {
binding?.removeOnNewIntentListener(this)
}

override fun onNewIntent(intent: Intent): Boolean {
handleIntent(intent, false)
return false
}
}