511 lines
22 KiB
Kotlin
511 lines
22 KiB
Kotlin
package sushi.hardcore.droidfs
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import android.Manifest
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import android.annotation.SuppressLint
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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.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.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.ImageView
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import android.widget.RelativeLayout
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import android.widget.Toast
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import androidx.annotation.RequiresApi
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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.ExtensionMode
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import androidx.camera.extensions.ExtensionsManager
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import androidx.camera.lifecycle.ProcessCameraProvider
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import androidx.core.app.ActivityCompat
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import androidx.core.content.ContextCompat
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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.video_recording.SeekableWriter
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import sushi.hardcore.droidfs.video_recording.VideoCapture
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import sushi.hardcore.droidfs.widgets.CustomAlertDialogBuilder
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import sushi.hardcore.droidfs.widgets.EditTextDialog
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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.Executor
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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 = 0
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private const val AUDIO_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 var isFinishingIntentionally = false
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private var isAskingPermissions = false
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private var permissionsGranted = false
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private lateinit var executor: Executor
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private lateinit var cameraProvider: ProcessCameraProvider
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private lateinit var extensionsManager: ExtensionsManager
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private lateinit var cameraSelector: CameraSelector
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private val cameraPreview = Preview.Builder().build()
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private var imageCapture: ImageCapture? = null
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private var videoCapture: VideoCapture? = null
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private var camera: Camera? = null
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private var resolutions: List<Size>? = null
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private var currentResolutionIndex: Int = 0
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private var captureMode = ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY
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private var isBackCamera = true
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private var isInVideoMode = false
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private var isRecording = false
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private var isWaitingForTimer = false
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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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supportActionBar?.hide()
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gocryptfsVolume = GocryptfsVolume(applicationContext, 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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permissionsGranted = true
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} else {
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isAskingPermissions = true
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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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permissionsGranted = true
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}
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executor = ContextCompat.getMainExecutor(this)
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cameraPreview.setSurfaceProvider(binding.cameraPreview.surfaceProvider)
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ProcessCameraProvider.getInstance(this).apply {
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addListener({
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cameraProvider = get()
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ExtensionsManager.getInstanceAsync(this@CameraActivity, cameraProvider).apply {
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addListener({
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extensionsManager = get()
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setupCamera()
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}, executor)
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}
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}, executor)
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}
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binding.imageCaptureMode.setOnClickListener {
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val currentIndex = if (captureMode == ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY) {
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0
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} else {
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1
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}
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CustomAlertDialogBuilder(this, themeValue)
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.setTitle(R.string.camera_optimization)
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.setSingleChoiceItems(arrayOf(getString(R.string.maximize_quality), getString(R.string.minimize_latency)), currentIndex) { dialog, which ->
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val resId: Int
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val newCaptureMode = if (which == 0) {
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resId = R.drawable.icon_high_quality
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ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY
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} else {
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resId = R.drawable.icon_speed
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ImageCapture.CAPTURE_MODE_MINIMIZE_LATENCY
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}
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if (newCaptureMode != captureMode) {
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captureMode = newCaptureMode
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binding.imageCaptureMode.setImageResource(resId)
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setupCamera()
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}
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dialog.dismiss()
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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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binding.imageRatio.setOnClickListener {
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resolutions?.let {
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CustomAlertDialogBuilder(this, themeValue)
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.setTitle(R.string.choose_resolution)
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.setSingleChoiceItems(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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with (EditTextDialog(this, R.string.enter_timer_duration) {
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try {
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timerDuration = it.toInt()
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} catch (e: NumberFormatException) {
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Toast.makeText(this, R.string.invalid_number, Toast.LENGTH_SHORT).show()
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}
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}) {
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binding.dialogEditText.inputType = InputType.TYPE_CLASS_NUMBER
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show()
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}
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}
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binding.imageFlash.setOnClickListener {
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binding.imageFlash.setImageResource(if (isInVideoMode) {
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when (imageCapture?.flashMode) {
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ImageCapture.FLASH_MODE_ON -> {
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camera?.cameraControl?.enableTorch(false)
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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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camera?.cameraControl?.enableTorch(true)
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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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}
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} else {
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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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}
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binding.imageModeSwitch.setOnClickListener {
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isInVideoMode = !isInVideoMode
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binding.imageFlash.setImageResource(if (isInVideoMode) {
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binding.recordVideoButton.visibility = View.VISIBLE
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binding.takePhotoButton.visibility = View.GONE
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
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isAskingPermissions = true
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requestPermissions(arrayOf(Manifest.permission.RECORD_AUDIO), AUDIO_PERMISSION_REQUEST_CODE)
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}
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}
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binding.imageModeSwitch.setImageDrawable(ContextCompat.getDrawable(this, R.drawable.icon_photo)?.also {
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it.setTint(ContextCompat.getColor(this, R.color.neutralIconTint))
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})
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imageCapture?.flashMode = ImageCapture.FLASH_MODE_OFF
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R.drawable.icon_flash_off
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} else {
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binding.recordVideoButton.visibility = View.GONE
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binding.takePhotoButton.visibility = View.VISIBLE
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binding.imageModeSwitch.setImageResource(R.drawable.icon_video)
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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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binding.imageCameraSwitch.setOnClickListener {
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isBackCamera = if (isBackCamera) {
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binding.imageCameraSwitch.setImageResource(R.drawable.icon_camera_back)
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false
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} else {
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binding.imageCameraSwitch.setImageResource(R.drawable.icon_camera_front)
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if (isInVideoMode) {
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//reset flash state
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imageCapture?.flashMode = ImageCapture.FLASH_MODE_OFF
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binding.imageFlash.setImageResource(R.drawable.icon_flash_off)
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}
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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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binding.recordVideoButton.setOnClickListener { onClickRecordVideo() }
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orientedIcons = listOf(binding.imageRatio, binding.imageTimer, binding.imageCaptureMode, binding.imageFlash, binding.imageModeSwitch, 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 = camera?.cameraInfo?.zoomState?.value?.zoomRatio ?: 0F
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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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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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@RequiresApi(Build.VERSION_CODES.M)
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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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isAskingPermissions = false
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if (grantResults.size == 1) {
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when (requestCode) {
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CAMERA_PERMISSION_REQUEST_CODE -> if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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permissionsGranted = true
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setupCamera()
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} else {
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CustomAlertDialogBuilder(this, themeValue)
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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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}
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AUDIO_PERMISSION_REQUEST_CODE -> if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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if (videoCapture != null) {
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cameraProvider.unbind(videoCapture)
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camera = cameraProvider.bindToLifecycle(this, cameraSelector, videoCapture)
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}
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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 screenWidth = resources.displayMetrics.widthPixels
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binding.cameraPreview.layoutParams = if (screenWidth < resolution.width) {
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RelativeLayout.LayoutParams(
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screenWidth,
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(resolution.height * (screenWidth.toFloat() / resolution.width)).toInt()
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)
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} else {
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RelativeLayout.LayoutParams(resolution.width, resolution.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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@SuppressLint("RestrictedApi")
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private fun setupCamera(resolution: Size? = null){
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if (permissionsGranted && ::extensionsManager.isInitialized && ::cameraProvider.isInitialized) {
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imageCapture = ImageCapture.Builder()
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.setCaptureMode(captureMode)
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.setFlashMode(imageCapture?.flashMode ?: ImageCapture.FLASH_MODE_AUTO)
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.apply {
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resolution?.let {
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setTargetResolution(it)
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}
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}
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.build()
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videoCapture = VideoCapture.Builder().apply {
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resolution?.let {
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setTargetResolution(it)
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}
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}.build()
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cameraSelector = if (isBackCamera){ CameraSelector.DEFAULT_BACK_CAMERA } else { CameraSelector.DEFAULT_FRONT_CAMERA }
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if (extensionsManager.isExtensionAvailable(cameraSelector, ExtensionMode.HDR)) {
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cameraSelector = extensionsManager.getExtensionEnabledCameraSelector(cameraSelector, ExtensionMode.HDR)
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}
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cameraProvider.unbindAll()
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camera = cameraProvider.bindToLifecycle(this, cameraSelector, cameraPreview, imageCapture, videoCapture)
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adaptPreviewSize(resolution ?: imageCapture!!.attachedSurfaceResolution!!.swap())
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if (resolutions == null) {
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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).map { it.swap() }
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}
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}
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}
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}
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private fun getOutputPath(isVideo: Boolean): String {
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val baseName = if (isVideo) {"VID"} else {"IMG"}+'_'+dateFormat.format(Date())+'_'
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var fileName: String
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do {
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fileName = baseName+(random.nextInt(fileNameRandomMax-fileNameRandomMin)+fileNameRandomMin)+'.'+ if (isVideo) {"mp4"} else {"jpg"}
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} while (gocryptfsVolume.pathExists(fileName))
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return PathUtils.pathJoin(outputDirectory, fileName)
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}
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private fun startTimerThen(action: () -> Unit) {
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if (timerDuration > 0){
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binding.textTimer.visibility = View.VISIBLE
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isWaitingForTimer = true
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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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if (!isFinishing) {
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runOnUiThread {
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action()
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binding.textTimer.visibility = View.GONE
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}
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}
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isWaitingForTimer = false
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}.start()
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} else {
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action()
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}
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}
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private fun onClickTakePhoto() {
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if (!isWaitingForTimer) {
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val outputPath = getOutputPath(false)
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startTimerThen {
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imageCapture?.let { imageCapture ->
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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, executor, 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()), outputPath)) {
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Toast.makeText(applicationContext, getString(R.string.picture_save_success, outputPath), Toast.LENGTH_SHORT).show()
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} else {
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CustomAlertDialogBuilder(this@CameraActivity, themeValue)
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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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}
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}
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}
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@SuppressLint("MissingPermission")
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private fun onClickRecordVideo() {
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if (isRecording) {
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videoCapture?.stopRecording()
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isRecording = false
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} else if (!isWaitingForTimer) {
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val path = getOutputPath(true)
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startTimerThen {
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val handleId = gocryptfsVolume.openWriteMode(path)
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videoCapture?.startRecording(VideoCapture.OutputFileOptions(object : SeekableWriter {
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var offset = 0L
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override fun write(byteArray: ByteArray) {
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offset += gocryptfsVolume.writeFile(handleId, offset, byteArray, byteArray.size)
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}
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override fun seek(offset: Long) {
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this.offset = offset
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}
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override fun close() {
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gocryptfsVolume.closeFile(handleId)
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}
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}), executor, object : VideoCapture.OnVideoSavedCallback {
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override fun onVideoSaved() {
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Toast.makeText(applicationContext, getString(R.string.video_save_success, path), Toast.LENGTH_SHORT).show()
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binding.recordVideoButton.setImageResource(R.drawable.record_video_button)
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}
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override fun onError(videoCaptureError: Int, message: String, cause: Throwable?) {
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Toast.makeText(applicationContext, message, Toast.LENGTH_SHORT).show()
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cause?.printStackTrace()
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binding.recordVideoButton.setImageResource(R.drawable.record_video_button)
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}
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})
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binding.recordVideoButton.setImageResource(R.drawable.stop_recording_video_button)
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isRecording = true
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}
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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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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 (!isAskingPermissions && !usf_keep_open) {
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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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|
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override fun onOrientationChange(newOrientation: Int) {
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val reversedOrientation = when (newOrientation){
|
|
90 -> 270
|
|
270 -> 90
|
|
else -> newOrientation
|
|
}.toFloat()
|
|
val rotateAnimation = RotateAnimation(previousOrientation, when {
|
|
reversedOrientation - previousOrientation > 180 -> reversedOrientation - 360
|
|
reversedOrientation - previousOrientation < -180 -> reversedOrientation + 360
|
|
else -> reversedOrientation
|
|
}, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f)
|
|
rotateAnimation.duration = 300
|
|
rotateAnimation.interpolator = LinearInterpolator()
|
|
rotateAnimation.fillAfter = true
|
|
orientedIcons.map { it.startAnimation(rotateAnimation) }
|
|
previousOrientation = reversedOrientation
|
|
}
|
|
}
|
|
|
|
private fun Size.swap(): Size {
|
|
return Size(height, width)
|
|
} |