368 lines
16 KiB
Kotlin
368 lines
16 KiB
Kotlin
package sushi.hardcore.droidfs
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import android.Manifest
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import android.content.Context
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import android.content.pm.PackageManager
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import android.hardware.camera2.CameraCharacteristics
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import android.hardware.camera2.CameraManager
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import android.os.Build
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import android.os.Bundle
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import android.text.InputType
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import android.util.DisplayMetrics
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import android.util.Size
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import android.view.MotionEvent
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import android.view.ScaleGestureDetector
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import android.view.View
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import android.view.WindowManager
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import android.view.animation.Animation
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import android.view.animation.LinearInterpolator
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import android.view.animation.RotateAnimation
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import android.widget.EditText
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import android.widget.ImageView
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import android.widget.RelativeLayout
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import android.widget.Toast
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import androidx.camera.camera2.interop.Camera2CameraInfo
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import androidx.camera.core.*
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import androidx.camera.extensions.HdrImageCaptureExtender
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import androidx.camera.lifecycle.ProcessCameraProvider
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import androidx.core.content.ContextCompat
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import sushi.hardcore.droidfs.adapters.DialogSingleChoiceAdapter
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import sushi.hardcore.droidfs.content_providers.RestrictedFileProvider
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import sushi.hardcore.droidfs.databinding.ActivityCameraBinding
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import sushi.hardcore.droidfs.util.PathUtils
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import sushi.hardcore.droidfs.widgets.ColoredAlertDialogBuilder
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import java.io.ByteArrayInputStream
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import java.io.ByteArrayOutputStream
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import java.text.SimpleDateFormat
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import java.util.*
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import java.util.concurrent.ExecutorService
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import java.util.concurrent.Executors
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class CameraActivity : BaseActivity(), SensorOrientationListener.Listener {
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companion object {
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private const val CAMERA_PERMISSION_REQUEST_CODE = 1
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private const val fileNameRandomMin = 100000
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private const val fileNameRandomMax = 999999
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private val dateFormat = SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US)
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private val random = Random()
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}
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private var timerDuration = 0
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set(value) {
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field = value
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if (value > 0){
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binding.imageTimer.setImageResource(R.drawable.icon_timer_on)
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} else {
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binding.imageTimer.setImageResource(R.drawable.icon_timer_off)
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}
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}
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private var usf_keep_open = false
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private lateinit var sensorOrientationListener: SensorOrientationListener
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private var previousOrientation: Float = 0f
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private lateinit var orientedIcons: List<ImageView>
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private lateinit var gocryptfsVolume: GocryptfsVolume
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private lateinit var outputDirectory: String
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private lateinit var fileName: String
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private var isFinishingIntentionally = false
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private lateinit var cameraExecutor: ExecutorService
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private var imageCapture: ImageCapture? = null
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private var resolutions: Array<Size>? = null
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private var currentResolutionIndex: Int = 0
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private var isBackCamera = true
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private lateinit var binding: ActivityCameraBinding
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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usf_keep_open = sharedPrefs.getBoolean("usf_keep_open", false)
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binding = ActivityCameraBinding.inflate(layoutInflater)
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setContentView(binding.root)
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gocryptfsVolume = GocryptfsVolume(intent.getIntExtra("sessionID", -1))
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outputDirectory = intent.getStringExtra("path")!!
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED){
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setupCamera()
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} else {
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requestPermissions(arrayOf(Manifest.permission.CAMERA), CAMERA_PERMISSION_REQUEST_CODE)
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}
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} else {
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setupCamera()
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}
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cameraExecutor = Executors.newSingleThreadExecutor()
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binding.imageRatio.setOnClickListener {
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resolutions?.let {
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.choose_resolution)
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.setSingleChoiceItems(DialogSingleChoiceAdapter(this, it.map { size -> size.toString() }.toTypedArray()), currentResolutionIndex) { dialog, which ->
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setupCamera(resolutions!![which])
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dialog.dismiss()
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currentResolutionIndex = which
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}
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.setNegativeButton(R.string.cancel, null)
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.show()
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}
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}
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binding.imageTimer.setOnClickListener {
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val dialogEditTextView = layoutInflater.inflate(R.layout.dialog_edit_text, null)
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val dialogEditText = dialogEditTextView.findViewById<EditText>(R.id.dialog_edit_text)
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dialogEditText.inputType = InputType.TYPE_CLASS_NUMBER
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val dialog = ColoredAlertDialogBuilder(this)
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.setView(dialogEditTextView)
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.setTitle(getString(R.string.enter_timer_duration))
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.setPositiveButton(R.string.ok) { _, _ ->
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val enteredValue = dialogEditText.text.toString()
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if (enteredValue.isEmpty()){
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Toast.makeText(this, getString(R.string.timer_empty_error_msg), Toast.LENGTH_SHORT).show()
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} else {
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timerDuration = enteredValue.toInt()
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}
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}
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.setNegativeButton(R.string.cancel, null)
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.create()
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dialogEditText.setOnEditorActionListener { _, _, _ ->
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timerDuration = dialogEditText.text.toString().toInt()
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dialog.dismiss()
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true
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}
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dialog.window?.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
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dialog.show()
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}
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binding.imageClose.setOnClickListener {
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isFinishingIntentionally = true
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finish()
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}
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binding.imageFlash.setOnClickListener {
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binding.imageFlash.setImageResource(when (imageCapture?.flashMode) {
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ImageCapture.FLASH_MODE_AUTO -> {
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imageCapture?.flashMode = ImageCapture.FLASH_MODE_ON
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R.drawable.icon_flash_on
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}
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ImageCapture.FLASH_MODE_ON -> {
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imageCapture?.flashMode = ImageCapture.FLASH_MODE_OFF
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R.drawable.icon_flash_off
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}
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else -> {
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imageCapture?.flashMode = ImageCapture.FLASH_MODE_AUTO
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R.drawable.icon_flash_auto
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}
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})
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}
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binding.imageCameraSwitch.setOnClickListener {
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isBackCamera = if (isBackCamera) {
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binding.imageCameraSwitch.setImageResource(R.drawable.icon_camera_front)
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false
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} else {
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binding.imageCameraSwitch.setImageResource(R.drawable.icon_camera_back)
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true
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}
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setupCamera()
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}
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binding.takePhotoButton.onClick = ::onClickTakePhoto
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orientedIcons = listOf(binding.imageRatio, binding.imageTimer, binding.imageClose, binding.imageFlash, binding.imageCameraSwitch)
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sensorOrientationListener = SensorOrientationListener(this)
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val scaleGestureDetector = ScaleGestureDetector(this, object : ScaleGestureDetector.SimpleOnScaleGestureListener(){
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override fun onScale(detector: ScaleGestureDetector): Boolean {
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val currentZoomRatio = imageCapture?.camera?.cameraInfo?.zoomState?.value?.zoomRatio ?: 0F
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imageCapture?.camera?.cameraControl?.setZoomRatio(currentZoomRatio*detector.scaleFactor)
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return true
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}
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})
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binding.cameraPreview.setOnTouchListener { view, event ->
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view.performClick()
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when (event.action) {
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MotionEvent.ACTION_DOWN -> true
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MotionEvent.ACTION_UP -> {
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val factory = binding.cameraPreview.meteringPointFactory
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val point = factory.createPoint(event.x, event.y)
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val action = FocusMeteringAction.Builder(point).build()
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imageCapture?.camera?.cameraControl?.startFocusAndMetering(action)
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true
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}
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MotionEvent.ACTION_MOVE -> scaleGestureDetector.onTouchEvent(event)
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else -> false
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}
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}
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}
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override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults)
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when (requestCode) {
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CAMERA_PERMISSION_REQUEST_CODE -> if (grantResults.size == 1) {
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if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
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ColoredAlertDialogBuilder(this)
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.setTitle(R.string.error)
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.setMessage(R.string.camera_perm_needed)
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.setCancelable(false)
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.setPositiveButton(R.string.ok) { _, _ ->
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isFinishingIntentionally = true
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finish()
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}.show()
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} else {
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setupCamera()
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}
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}
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}
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}
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private fun adaptPreviewSize(resolution: Size) {
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val metrics = DisplayMetrics()
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windowManager.defaultDisplay.getMetrics(metrics)
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//resolution.width and resolution.height seem to be inverted
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val width = resolution.height
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val height = resolution.width
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binding.cameraPreview.layoutParams = if (metrics.widthPixels < width){
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RelativeLayout.LayoutParams(
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metrics.widthPixels,
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(height * (metrics.widthPixels.toFloat() / width)).toInt()
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)
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} else {
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RelativeLayout.LayoutParams(width, height)
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}
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(binding.cameraPreview.layoutParams as RelativeLayout.LayoutParams).addRule(RelativeLayout.CENTER_IN_PARENT)
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}
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private fun setupCamera(resolution: Size? = null){
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val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
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cameraProviderFuture.addListener({
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val cameraProvider: ProcessCameraProvider = cameraProviderFuture.get()
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val preview = Preview.Builder()
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.build()
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.also {
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it.setSurfaceProvider(binding.cameraPreview.surfaceProvider)
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}
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val builder = ImageCapture.Builder()
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.setFlashMode(ImageCapture.FLASH_MODE_AUTO)
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resolution?.let {
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builder.setTargetResolution(it)
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}
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val hdrImageCapture = HdrImageCaptureExtender.create(builder)
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val cameraSelector = if (isBackCamera){ CameraSelector.DEFAULT_BACK_CAMERA } else { CameraSelector.DEFAULT_FRONT_CAMERA }
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if (hdrImageCapture.isExtensionAvailable(cameraSelector)){
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hdrImageCapture.enableExtension(cameraSelector)
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}
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imageCapture = builder.build()
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cameraProvider.unbindAll()
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val camera = cameraProvider.bindToLifecycle(this, cameraSelector, preview, imageCapture)
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adaptPreviewSize(imageCapture!!.attachedSurfaceResolution!!)
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val info = Camera2CameraInfo.from(camera.cameraInfo)
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val cameraManager = getSystemService(Context.CAMERA_SERVICE) as CameraManager
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val characteristics = cameraManager.getCameraCharacteristics(info.cameraId)
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characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP)?.let { streamConfigurationMap ->
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resolutions = streamConfigurationMap.getOutputSizes(imageCapture!!.imageFormat)
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}
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}, ContextCompat.getMainExecutor(this))
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}
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private fun takePhoto() {
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val imageCapture = imageCapture ?: return
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val outputBuff = ByteArrayOutputStream()
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val outputOptions = ImageCapture.OutputFileOptions.Builder(outputBuff).build()
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imageCapture.takePicture(outputOptions, ContextCompat.getMainExecutor(this), object : ImageCapture.OnImageSavedCallback {
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override fun onImageSaved(outputFileResults: ImageCapture.OutputFileResults) {
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binding.takePhotoButton.onPhotoTaken()
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if (gocryptfsVolume.importFile(ByteArrayInputStream(outputBuff.toByteArray()), PathUtils.pathJoin(outputDirectory, fileName))){
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Toast.makeText(applicationContext, getString(R.string.picture_save_success, fileName), Toast.LENGTH_SHORT).show()
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} else {
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ColoredAlertDialogBuilder(this@CameraActivity)
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.setTitle(R.string.error)
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.setMessage(R.string.picture_save_failed)
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.setCancelable(false)
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.setPositiveButton(R.string.ok) { _, _ ->
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isFinishingIntentionally = true
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finish()
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}
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.show()
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}
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}
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override fun onError(exception: ImageCaptureException) {
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binding.takePhotoButton.onPhotoTaken()
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Toast.makeText(applicationContext, exception.message, Toast.LENGTH_SHORT).show()
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}
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})
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}
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private fun onClickTakePhoto() {
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val baseName = "IMG_"+dateFormat.format(Date())+"_"
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do {
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fileName = baseName+(random.nextInt(fileNameRandomMax-fileNameRandomMin)+fileNameRandomMin)+".jpg"
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} while (gocryptfsVolume.pathExists(fileName))
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if (timerDuration > 0){
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binding.textTimer.visibility = View.VISIBLE
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Thread{
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for (i in timerDuration downTo 1){
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runOnUiThread { binding.textTimer.text = i.toString() }
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Thread.sleep(1000)
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}
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runOnUiThread {
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takePhoto()
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binding.textTimer.visibility = View.GONE
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}
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}.start()
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} else {
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takePhoto()
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}
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}
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override fun onDestroy() {
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super.onDestroy()
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cameraExecutor.shutdown()
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if (!isFinishingIntentionally) {
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gocryptfsVolume.close()
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RestrictedFileProvider.wipeAll(this)
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}
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}
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override fun onStop() {
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super.onStop()
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if (!isFinishing && !usf_keep_open){
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finish()
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}
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}
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override fun onPause() {
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super.onPause()
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sensorOrientationListener.remove(this)
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if (
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(ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) //not asking for permission
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&& !usf_keep_open
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){
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finish()
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}
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}
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override fun onResume() {
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super.onResume()
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sensorOrientationListener.addListener(this)
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}
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override fun onBackPressed() {
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super.onBackPressed()
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isFinishingIntentionally = true
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}
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override fun onOrientationChange(newOrientation: Int) {
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val reversedOrientation = when (newOrientation){
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90 -> 270
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270 -> 90
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else -> newOrientation
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}.toFloat()
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val rotateAnimation = RotateAnimation(previousOrientation, when {
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reversedOrientation - previousOrientation > 180 -> reversedOrientation - 360
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reversedOrientation - previousOrientation < -180 -> reversedOrientation + 360
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else -> reversedOrientation
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}, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f)
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rotateAnimation.duration = 300
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rotateAnimation.interpolator = LinearInterpolator()
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rotateAnimation.fillAfter = true
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orientedIcons.map { it.startAnimation(rotateAnimation) }
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previousOrientation = reversedOrientation
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}
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} |