SubwayTooter-Android-App/app/src/main/java/jp/juggler/subwaytooter/util/CameraOpener.kt

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2.8 KiB
Kotlin
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package jp.juggler.subwaytooter.util
import android.content.ContentValues
import android.content.Intent
import android.provider.MediaStore
import androidx.activity.result.ActivityResult
import androidx.appcompat.app.AppCompatActivity
import jp.juggler.subwaytooter.pref.PrefDevice
import jp.juggler.subwaytooter.pref.prefDevice
import jp.juggler.util.coroutine.launchAndShowError
import jp.juggler.util.data.UriAndType
import jp.juggler.util.data.checkMimeTypeAndGrant
import jp.juggler.util.log.LogCategory
import jp.juggler.util.ui.ActivityResultHandler
import jp.juggler.util.ui.isOk
class CameraOpener(
private val onCaptured: suspend (UriAndType) -> Unit,
) {
companion object {
private val log = LogCategory("LogCategory")
}
private lateinit var activity: AppCompatActivity
private val prefDevice: PrefDevice
get() = activity.prefDevice
private val prCameraImage = permissionSpecCamera.requester { open() }
private val arCameraImage = ActivityResultHandler(log) { handleCameraResult(it) }
fun register(activity: AppCompatActivity) {
this.activity = activity
prCameraImage.register(activity)
arCameraImage.register(activity)
}
fun reset() {
prefDevice.cameraOpenerLastUri = null
}
fun open() {
if (!prCameraImage.checkOrLaunch()) return
// カメラで撮影
val filename = System.currentTimeMillis().toString() + ".jpg"
val values = ContentValues().apply {
put(MediaStore.Images.Media.TITLE, filename)
put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg")
}
val uri = activity.contentResolver.insert(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
values
).also { prefDevice.cameraOpenerLastUri = it }
val intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE).apply {
putExtra(MediaStore.EXTRA_OUTPUT, uri)
}
arCameraImage.launch(intent)
}
private fun handleCameraResult(r: ActivityResult) {
activity.launchAndShowError {
when (
val item = when {
r.isOk -> listOfNotNull(
r.data?.data
?: prefDevice.cameraOpenerLastUri
).checkMimeTypeAndGrant(activity.contentResolver)
else -> null
}?.firstOrNull()
) {
null -> {
// 失敗したら DBからデータを削除
prefDevice.cameraOpenerLastUri?.let {
activity.contentResolver.delete(it, null, null)
}
prefDevice.cameraOpenerLastUri = null
}
else -> onCaptured(item)
}
}
}
}