[Android] Create a PinCodeDelegate to check the PIN code

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Tue Jun 27 10:09:23 2023 +0200| [9965c80e2bc98ddf4bcb6928e492393f6bb7bde5] | committer: Duncan McNamara

Create a PinCodeDelegate to check the PIN code

> https://code.videolan.org/videolan/vlc-android/commit/9965c80e2bc98ddf4bcb6928e492393f6bb7bde5
---

 .../videolan/vlc/gui/helpers/hf/PinCodeDelegate.kt | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/application/vlc-android/src/org/videolan/vlc/gui/helpers/hf/PinCodeDelegate.kt b/application/vlc-android/src/org/videolan/vlc/gui/helpers/hf/PinCodeDelegate.kt
new file mode 100644
index 0000000000..671e4a63c6
--- /dev/null
+++ b/application/vlc-android/src/org/videolan/vlc/gui/helpers/hf/PinCodeDelegate.kt
@@ -0,0 +1,40 @@
+package org.videolan.vlc.gui.helpers.hf
+
+import android.annotation.TargetApi
+import android.app.Activity
+import android.os.Build
+import android.os.Bundle
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
+import androidx.fragment.app.FragmentActivity
+import org.videolan.tools.Settings
+import org.videolan.vlc.gui.PinCodeActivity
+import org.videolan.vlc.gui.PinCodeReason
+
+class PinCodeDelegate : BaseHeadlessFragment() {
+    var pinCodeResult = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+       model.complete(result.resultCode == Activity.RESULT_OK)
+        exit()
+    }
+
+    @TargetApi(Build.VERSION_CODES.O)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val intent = PinCodeActivity.getIntent(requireActivity(), PinCodeReason.CHECK)
+        pinCodeResult.launch(intent)
+    }
+
+    companion object {
+        internal const val TAG = "VLC/PinCode"
+    }
+}
+
+suspend fun FragmentActivity.checkPIN() : Boolean {
+    if (!Settings.safeMode) return true
+    val model : PermissionViewmodel by viewModels()
+    val fragment = PinCodeDelegate()
+    model.setupDeferred()
+    supportFragmentManager.beginTransaction().add(fragment, PinCodeDelegate.TAG).commitAllowingStateLoss()
+    return model.deferredGrant.await()
+}
+