session-android/app/src/main/java/org/thoughtcrime/securesms/preferences/QRCodeActivity.kt

133 lines
5.6 KiB
Kotlin

package org.thoughtcrime.securesms.preferences
import android.content.Intent
import android.graphics.Bitmap
import android.os.Bundle
import android.os.Environment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentPagerAdapter
import kotlinx.android.synthetic.main.activity_qr_code.*
import kotlinx.android.synthetic.main.fragment_view_my_qr_code.*
import network.loki.messenger.R
import org.session.libsession.utilities.Address
import org.session.libsession.utilities.TextSecurePreferences
import org.session.libsession.utilities.recipients.Recipient
import org.session.libsignal.utilities.PublicKeyValidation
import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
import org.thoughtcrime.securesms.dependencies.DatabaseComponent
import org.thoughtcrime.securesms.util.*
import java.io.File
import java.io.FileOutputStream
class QRCodeActivity : PassphraseRequiredActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
private val adapter = QRCodeActivityAdapter(this)
// region Lifecycle
override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
super.onCreate(savedInstanceState, isReady)
// Set content view
setContentView(R.layout.activity_qr_code)
// Set title
supportActionBar!!.title = resources.getString(R.string.activity_qr_code_title)
// Set up view pager
viewPager.adapter = adapter
tabLayout.setupWithViewPager(viewPager)
}
// endregion
// region Interaction
override fun handleQRCodeScanned(hexEncodedPublicKey: String) {
createPrivateChatIfPossible(hexEncodedPublicKey)
}
fun createPrivateChatIfPossible(hexEncodedPublicKey: String) {
if (!PublicKeyValidation.isValid(hexEncodedPublicKey)) { return Toast.makeText(this, R.string.invalid_session_id, Toast.LENGTH_SHORT).show() }
val recipient = Recipient.from(this, Address.fromSerialized(hexEncodedPublicKey), false)
val intent = Intent(this, ConversationActivityV2::class.java)
intent.putExtra(ConversationActivityV2.ADDRESS, recipient.address)
intent.setDataAndType(getIntent().data, getIntent().type)
val existingThread = DatabaseComponent.get(this).threadDatabase().getThreadIdIfExistsFor(recipient)
intent.putExtra(ConversationActivityV2.THREAD_ID, existingThread)
startActivity(intent)
finish()
}
// endregion
}
// region Adapter
private class QRCodeActivityAdapter(val activity: QRCodeActivity) : FragmentPagerAdapter(activity.supportFragmentManager) {
override fun getCount(): Int {
return 2
}
override fun getItem(index: Int): Fragment {
return when (index) {
0 -> ViewMyQRCodeFragment()
1 -> {
val result = ScanQRCodeWrapperFragment()
result.delegate = activity
result.message = activity.resources.getString(R.string.activity_qr_code_view_scan_qr_code_explanation)
result
}
else -> throw IllegalStateException()
}
}
override fun getPageTitle(index: Int): CharSequence? {
return when (index) {
0 -> activity.resources.getString(R.string.activity_qr_code_view_my_qr_code_tab_title)
1 -> activity.resources.getString(R.string.activity_qr_code_view_scan_qr_code_tab_title)
else -> throw IllegalStateException()
}
}
}
// endregion
// region View My QR Code Fragment
class ViewMyQRCodeFragment : Fragment() {
private val hexEncodedPublicKey: String
get() {
return TextSecurePreferences.getLocalNumber(requireContext())!!
}
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
return inflater.inflate(R.layout.fragment_view_my_qr_code, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
val size = toPx(280, resources)
val qrCode = QRCodeUtilities.encode(hexEncodedPublicKey, size, false, false)
qrCodeImageView.setImageBitmap(qrCode)
// val explanation = SpannableStringBuilder("This is your unique public QR code. Other users can scan this to start a conversation with you.")
// explanation.setSpan(StyleSpan(Typeface.BOLD), 8, 34, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
explanationTextView.text = resources.getString(R.string.fragment_view_my_qr_code_explanation)
shareButton.setOnClickListener { shareQRCode() }
}
private fun shareQRCode() {
val directory = requireContext().getExternalFilesDir(Environment.DIRECTORY_PICTURES)
val fileName = "$hexEncodedPublicKey.png"
val file = File(directory, fileName)
file.createNewFile()
val fos = FileOutputStream(file)
val size = toPx(280, resources)
val qrCode = QRCodeUtilities.encode(hexEncodedPublicKey, size, false, false)
qrCode.compress(Bitmap.CompressFormat.PNG, 100, fos)
fos.flush()
fos.close()
val intent = Intent(Intent.ACTION_SEND)
intent.putExtra(Intent.EXTRA_STREAM, FileProviderUtil.getUriFor(requireActivity(), file))
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
intent.type = "image/png"
startActivity(Intent.createChooser(intent, resources.getString(R.string.fragment_view_my_qr_code_share_title)))
}
}
// endregion