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package xyz.vikanezrimaya.voidsky.exporeceiveandroidintents
import android.content.Intent
import android.graphics.Bitmap
import android.media.MediaMetadataRetriever
import android.net.Uri
import android.os.Build
import android.provider.MediaStore
import androidx.core.net.toUri
import expo.modules.kotlin.modules.Module
import expo.modules.kotlin.modules.ModuleDefinition
import java.io.File
import java.io.FileOutputStream
import java.net.URLEncoder
enum class AttachmentType {
IMAGE,
VIDEO,
}
class ExpoReceiveAndroidIntentsModule : Module() {
override fun definition() =
ModuleDefinition {
Name("ExpoReceiveAndroidIntents")
OnNewIntent {
handleIntent(it)
}
}
private fun handleIntent(intent: Intent?) {
if (appContext.currentActivity == null) return
intent?.let {
if (it.action == Intent.ACTION_SEND && it.type == "text/plain") {
handleTextIntent(it)
return
}
val type =
if (it.type.toString().startsWith("image/")) {
AttachmentType.IMAGE
} else if (it.type.toString().startsWith("video/")) {
AttachmentType.VIDEO
} else {
return
}
if (it.action == Intent.ACTION_SEND) {
handleAttachmentIntent(it, type)
} else if (it.action == Intent.ACTION_SEND_MULTIPLE) {
handleAttachmentsIntent(it, type)
}
}
}
private fun handleTextIntent(intent: Intent) {
intent.getStringExtra(Intent.EXTRA_TEXT)?.let {
val encoded = URLEncoder.encode(it, "UTF-8")
"bluesky://intent/compose?text=$encoded".toUri().let { uri ->
val newIntent = Intent(Intent.ACTION_VIEW, uri)
appContext.currentActivity?.startActivity(newIntent)
}
}
}
private fun handleAttachmentIntent(
intent: Intent,
type: AttachmentType,
) {
val uri =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
intent.getParcelableExtra(Intent.EXTRA_STREAM, Uri::class.java)
} else {
intent.getParcelableExtra(Intent.EXTRA_STREAM)
}
uri?.let {
when (type) {
AttachmentType.IMAGE -> handleImageIntents(listOf(it))
AttachmentType.VIDEO -> handleVideoIntents(listOf(it))
}
}
}
private fun handleAttachmentsIntent(
intent: Intent,
type: AttachmentType,
) {
val uris =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
intent
.getParcelableArrayListExtra(Intent.EXTRA_STREAM, Uri::class.java)
?.filterIsInstance<Uri>()
?.take(4)
} else {
intent
.getParcelableArrayListExtra<Uri>(Intent.EXTRA_STREAM)
?.filterIsInstance<Uri>()
?.take(4)
}
uris?.let {
when (type) {
AttachmentType.IMAGE -> handleImageIntents(it)
else -> return
}
}
}
private fun handleImageIntents(uris: List<Uri>) {
var allParams = ""
uris.forEachIndexed { index, uri ->
val info = getImageInfo(uri)
val params = buildUriData(info)
allParams = "${allParams}$params"
if (index < uris.count() - 1) {
allParams = "$allParams,"
}
}
val encoded = URLEncoder.encode(allParams, "UTF-8")
"bluesky://intent/compose?imageUris=$encoded".toUri().let {
val newIntent = Intent(Intent.ACTION_VIEW, it)
appContext.currentActivity?.startActivity(newIntent)
}
}
private fun handleVideoIntents(uris: List<Uri>) {
val uri = uris[0]
// If there is no extension for the file, substringAfterLast returns the original string - not
// null, so we check for that below
// It doesn't actually matter what the extension is, so defaulting to mp4 is fine, even if the
// video isn't actually an mp4
var extension = uri.path?.substringAfterLast(".")
if (extension == null || extension == uri.path) {
extension = "mp4"
}
val file = createFile(extension)
val out = FileOutputStream(file)
appContext.currentActivity?.contentResolver?.openInputStream(uri)?.use {
it.copyTo(out)
}
val info = getVideoInfo(uri) ?: return
"bluesky://intent/compose?videoUri=${URLEncoder.encode(file.path, "UTF-8")}|${info["width"]}|${info["height"]}".toUri().let {
val newIntent = Intent(Intent.ACTION_VIEW, it)
appContext.currentActivity?.startActivity(newIntent)
}
}
private fun getImageInfo(uri: Uri): Map<String, Any> {
val bitmap = MediaStore.Images.Media.getBitmap(appContext.currentActivity?.contentResolver, uri)
// We have to save this so that we can access it later when uploading the image.
// createTempFile will automatically place a unique string between "img" and "temp.jpeg"
val file = createFile("jpeg")
val out = FileOutputStream(file)
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out)
out.flush()
out.close()
return mapOf(
"width" to bitmap.width,
"height" to bitmap.height,
"path" to file.path.toString(),
)
}
private fun getVideoInfo(uri: Uri): Map<String, Any>? {
val retriever = MediaMetadataRetriever()
retriever.setDataSource(appContext.currentActivity, uri)
val width = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH)?.toIntOrNull()
val height = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT)?.toIntOrNull()
if (width == null || height == null) {
return null
}
return mapOf(
"width" to width,
"height" to height,
"path" to uri.path.toString(),
)
}
private fun createFile(extension: String): File = File.createTempFile(extension, "temp.$extension", appContext.currentActivity?.cacheDir)
// We will pas the width and height to the app here, since getting measurements
// on the RN side is a bit more involved, and we already have them here anyway.
private fun buildUriData(info: Map<String, Any>): String {
val path = info.getValue("path")
val width = info.getValue("width")
val height = info.getValue("height")
return "file://$path|$width|$height"
}
}
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