Convert ScannerActivity

25/40

app/src/main/java/com/github/shadowsocks/ScannerActivity.kt

@@ -0,0 +1,126 @@
+package com.github.shadowsocks
+
+import android.*
+import android.app.TaskStackBuilder
+import android.content.pm.*
+import android.os.*
+import android.text.*
+import androidx.appcompat.app.*
+import androidx.appcompat.widget.*
+import androidx.core.app.*
+import androidx.core.content.*
+import com.github.shadowsocks.utils.*
+import com.google.zxing.*
+import me.dm7.barcodescanner.zxing.*
+
+@ExperimentalUnsignedTypes
+class ScannerActivity : AppCompatActivity(), ZXingScannerView.ResultHandler
+{
+	private lateinit var scannerView: ZXingScannerView
+
+	override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray)
+	{
+		if (requestCode == MY_PERMISSIONS_REQUEST_CAMERA)
+		{
+			// If request is cancelled, the result arrays are empty.
+			if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+			{
+				scannerView.setResultHandler(this)
+				scannerView.startCamera()
+			}
+			else
+			{
+				ToastUtils.showShort(R.string.add_profile_scanner_permission_required)
+				finish()
+			}
+		}
+	}
+
+	private fun navigateUp()
+	{
+		val intent = parentActivityIntent
+		if (shouldUpRecreateTask(intent) || isTaskRoot)
+		{
+			TaskStackBuilder.create(this)
+				.addNextIntentWithParentStack(intent)
+				.startActivities()
+		}
+		else
+		{
+			finish()
+		}
+	}
+
+	override fun onCreate(savedInstanceState: Bundle?)
+	{
+		super.onCreate(savedInstanceState)
+		setContentView(R.layout.layout_scanner)
+		val toolbar = findViewById<Toolbar>(R.id.toolbar)
+		toolbar.title = title
+		toolbar.setNavigationIcon(R.drawable.abc_ic_ab_back_material)
+		toolbar.setNavigationOnClickListener { navigateUp() }
+
+		scannerView = findViewById(R.id.scanner)
+
+		if (Build.VERSION.SDK_INT >= 25)
+		{
+			getSystemService<ShortcutManager>()!!.reportShortcutUsed("scan")
+		}
+	}
+
+	override fun onResume()
+	{
+		super.onResume()
+		val permissionCheck = ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
+		if (permissionCheck == PackageManager.PERMISSION_GRANTED)
+		{
+			// Register ourselves as a handler for scan results.
+			scannerView.setResultHandler(this)
+			scannerView.setAutoFocus(true)
+			// Start camera on resume
+			scannerView.startCamera()
+		}
+		else
+		{
+			ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.CAMERA), MY_PERMISSIONS_REQUEST_CAMERA)
+		}
+	}
+
+	override fun onPause()
+	{
+		super.onPause()
+		// Stop camera on pause
+		scannerView.stopCamera()
+	}
+
+	override fun handleResult(rawResult: Result)
+	{
+		val uri = rawResult.text
+		if (!TextUtils.isEmpty(uri))
+		{
+			val all = Parser.findAllSs(uri)
+			if (all.isNotEmpty())
+			{
+				for (p in all)
+				{
+					ShadowsocksApplication.app.profileManager.createProfile(p)
+				}
+			}
+
+			val allSSR = Parser.findAllSsr(uri)
+			if (allSSR.isNotEmpty())
+			{
+				for (p in allSSR)
+				{
+					ShadowsocksApplication.app.profileManager.createProfile(p)
+				}
+			}
+		}
+		navigateUp()
+	}
+
+	companion object
+	{
+		private const val MY_PERMISSIONS_REQUEST_CAMERA = 1
+	}
+}