Updated on 2026-08-14

app/src/main/java/com/tangem/tap/WindowObscurationObserver.kt

@@ -0,0 +1,68 @@
+package com.tangem.tap
+
+import android.os.Build
+import android.view.MotionEvent
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import com.tangem.core.analytics.api.AnalyticsEventHandler
+import com.tangem.core.analytics.models.event.TechAnalyticsEvent
+import com.tangem.core.analytics.models.event.TechAnalyticsEvent.WindowObscured.ObscuredState
+import timber.log.Timber
+
+internal object WindowObscurationObserver : DefaultLifecycleObserver {
+
+    private var isWindowPartiallyObscuredAlreadySent: Boolean = false
+    private var isWindowFullyObscuredAlreadySent: Boolean = false
+
+    private var isReadyToProxy = false
+
+    override fun onResume(owner: LifecycleOwner) {
+        super.onResume(owner)
+        isReadyToProxy = true
+    }
+
+    override fun onPause(owner: LifecycleOwner) {
+        super.onPause(owner)
+        isReadyToProxy = false
+    }
+
+    fun dispatchTouchEvent(event: MotionEvent, analyticsEventHandler: AnalyticsEventHandler): Boolean {
+        if (!isReadyToProxy) return true
+
+        val isPartiallyObscured = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            event.flags and MotionEvent.FLAG_WINDOW_IS_PARTIALLY_OBSCURED != 0
+        } else {
+            false
+        }
+
+        if (isPartiallyObscured) {
+            Timber.d("Window is partially obscured")
+
+            if (!isWindowPartiallyObscuredAlreadySent) {
+                analyticsEventHandler.send(
+                    event = TechAnalyticsEvent.WindowObscured(state = ObscuredState.PARTIALLY),
+                )
+
+                isWindowPartiallyObscuredAlreadySent = true
+            }
+        }
+
+        val isFullyObscured = event.flags and MotionEvent.FLAG_WINDOW_IS_OBSCURED != 0
+
+        if (isFullyObscured) {
+            Timber.d("Window is partially or fully obscured")
+
+            if (!isWindowFullyObscuredAlreadySent) {
+                analyticsEventHandler.send(
+                    event = TechAnalyticsEvent.WindowObscured(state = ObscuredState.FULLY),
+                )
+
+                isWindowFullyObscuredAlreadySent = true
+            }
+
+            return false
+        }
+
+        return true
+    }
+}