show action dialog for supported actionable qr codes

Author: empratyush

app/src/main/java/app/grapheneos/camera/ui/activities/MainActivity.kt

@@ -88,6 +88,7 @@ import app.grapheneos.camera.ui.CustomGrid
 import app.grapheneos.camera.ui.QROverlay
 import app.grapheneos.camera.ui.QRToggle
 import app.grapheneos.camera.ui.SettingsDialog
+import app.grapheneos.camera.ui.dialog.showActionableDialog
 import app.grapheneos.camera.ui.seekbar.ExposureBar
 import app.grapheneos.camera.ui.seekbar.ZoomBar
 import app.grapheneos.camera.util.CameraControl
@@ -1126,6 +1127,10 @@ open class MainActivity : AppCompatActivity(),
 
         isQRDialogShowing = true
 
+        if (showActionableDialog(this, rawText) { isQRDialogShowing = false }) {
+            return
+        }
+
         val hString = bytesToHex(
             rawText.toByteArray(StandardCharsets.UTF_8)
         )

app/src/main/java/app/grapheneos/camera/ui/dialog/ActionableQrDialog.kt

@@ -0,0 +1,86 @@
+package app.grapheneos.camera.ui.dialog
+
+import android.app.Activity
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AlertDialog
+import app.grapheneos.camera.R
+import app.grapheneos.camera.qr.data.GEO
+import app.grapheneos.camera.qr.data.Mail
+import app.grapheneos.camera.qr.data.MeCard
+import app.grapheneos.camera.qr.data.Phone
+import app.grapheneos.camera.qr.data.SMS
+import app.grapheneos.camera.qr.data.VCard
+import app.grapheneos.camera.qr.parser.parseGeo
+import app.grapheneos.camera.qr.parser.parseMail
+import app.grapheneos.camera.qr.parser.parseMeCard
+import app.grapheneos.camera.qr.parser.parsePhoneOrFacetime
+import app.grapheneos.camera.qr.parser.parseSMS
+import app.grapheneos.camera.qr.parser.parseVCard
+
+private data class DialogContent(
+    @StringRes val title: Int,
+    val message: String,
+    @StringRes val action: Int
+)
+
+fun showActionableDialog(activity: Activity, rawContent: String, onDismiss: () -> Unit): Boolean {
+
+    val card = parsePhoneOrFacetime(rawContent)
+        ?: parseSMS(rawContent)
+        ?: parseGeo(rawContent)
+        ?: parseMeCard(rawContent)
+        ?: parseMail(rawContent)
+        ?: parseVCard(rawContent)
+        ?: return false
+
+    val (title, message, action) = when (card) {
+        is GEO -> DialogContent(
+            R.string.address,
+            activity.getString(R.string.address_message, card.long, card.lat),
+            R.string.open_in_maps
+        )
+
+        is MeCard -> DialogContent(
+            R.string.contact_card_me_card,
+            activity.getString(R.string.mecard_message),
+            R.string.add_to_contacts
+        )
+
+        is Phone -> DialogContent(
+            R.string.phone,
+            activity.getString(R.string.call_message, "${card.number}"),
+            R.string.call
+        )
+
+        is SMS -> DialogContent(
+            R.string.message,
+            activity.getString(R.string.sms_message, card.number),
+            R.string.message
+        )
+
+        is Mail -> DialogContent(
+            R.string.mail,
+            activity.getString(R.string.mail_message, card.mailTo.to),
+            R.string.mail,
+        )
+
+        is VCard -> DialogContent(
+            R.string.contact_card_vcard,
+            activity.getString(R.string.vcard_message),
+            R.string.add_to_contacts
+        )
+    }
+
+    activity.runOnUiThread {
+        AlertDialog.Builder(activity)
+            .setTitle(title)
+            .setMessage(message)
+            .setOnDismissListener { onDismiss() }
+            .setNegativeButton(android.R.string.cancel, null)
+            .setPositiveButton(action) { _, _ ->
+                activity.startActivity(card.toActionIntent(activity))
+            }.show()
+    }
+
+    return true
+}

app/src/main/res/values/strings.xml

@@ -184,4 +184,23 @@
 
     <string name="zsl_setting_title">Use ZSL in Latency mode</string>
     <string name="zsl_setting_desc">Uses Zero Shutter Lag (ZSL) in Latency mode for faster capture. Certain devices may have a buggy implementation for this.</string>
+
+    <string name="address">Address</string>
+    <string name="contact_card_me_card">Contact Card (MeCard)</string>
+    <string name="contact_card_vcard">Contact Card (vCard)</string>
+    <string name="phone">Phone</string>
+    <string name="message">Message</string>
+    <string name="mail">Email</string>
+
+    <string name="open_in_maps">Navigate</string>
+    <string name="call">Call</string>
+    <string name="add_to_contacts">Add to contacts</string>
+
+    <string name="address_message">Do you want to navigate to longitude %s and latitude %s?</string>
+    <string name="mecard_message">Do you want to save this contact info?</string>
+    <string name="vcard_message">Do you want to import this contact info?</string>
+    <string name="call_message">Do you want to call %s?</string>
+    <string name="sms_message">Do you want to chat with %s?</string>
+    <string name="mail_message">Do you want to send email to %s?</string>
+
 </resources>