1 files changed, 81 insertions, 17 deletions

diff --git a/feature/preview/src/main/java/com/google/jetpackcamera/feature/preview/ui/PreviewScreenComponents.kt b/feature/preview/src/main/java/com/google/jetpackcamera/feature/preview/ui/PreviewScreenComponents.kt
index a952bcf..01f09c8 100644
--- a/feature/preview/src/main/java/com/google/jetpackcamera/feature/preview/ui/PreviewScreenComponents.kt
+++ b/feature/preview/src/main/java/com/google/jetpackcamera/feature/preview/ui/PreviewScreenComponents.kt
@@ -18,6 +18,7 @@ package com.google.jetpackcamera.feature.preview.ui
 import android.util.Log
 import android.view.Display
 import android.view.View
+import android.widget.Toast
 import androidx.camera.core.Preview
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.tween
@@ -44,24 +45,67 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.SuggestionChip
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.google.jetpackcamera.feature.preview.R
 import com.google.jetpackcamera.feature.preview.VideoRecordingState
 import com.google.jetpackcamera.settings.model.AspectRatio
+import com.google.jetpackcamera.settings.model.Stabilization
+import com.google.jetpackcamera.settings.model.SupportedStabilizationMode
 import com.google.jetpackcamera.viewfinder.CameraPreview
 import kotlinx.coroutines.CompletableDeferred
 
 private const val TAG = "PreviewScreen"
 
-/** this is the preview surface display. This view implements gestures tap to focus, pinch to zoom,
- * and double tap to flip camera */
+/**
+ * An invisible box that will display a [Toast] with specifications set by a [ToastMessage].
+ *
+ * @param toastMessage the specifications for the [Toast].
+ * @param onToastShown called once the Toast has been displayed.
+ */
+@Composable
+fun ShowTestableToast(
+    modifier: Modifier = Modifier,
+    toastMessage: ToastMessage,
+    onToastShown: () -> Unit
+) {
+    val toastShownStatus = remember { mutableStateOf(false) }
+    Box(
+        // box seems to need to have some size to be detected by UiAutomator
+        modifier = modifier
+            .size(20.dp)
+            .testTag(toastMessage.testTag)
+    ) {
+        // prevents toast from being spammed
+        if (!toastShownStatus.value) {
+            Toast.makeText(
+                LocalContext.current,
+                stringResource(id = toastMessage.stringResource),
+                toastMessage.toastLength
+            )
+                .show()
+            toastShownStatus.value = true
+            onToastShown()
+        }
+    }
+    Log.d(TAG, "Toast Displayed with message: ${stringResource(id = toastMessage.stringResource)}")
+}
+
+/**
+ * this is the preview surface display. This view implements gestures tap to focus, pinch to zoom,
+ * and double-tap to flip camera
+ */
 @Composable
 fun PreviewDisplay(
     onTapToFocus: (Display, Int, Int, Float, Float) -> Unit,
@@ -140,6 +184,29 @@ fun PreviewDisplay(
     }
 }
 
+@Composable
+fun StabilizationIcon(
+    supportedStabilizationMode: List<SupportedStabilizationMode>,
+    videoStabilization: Stabilization,
+    previewStabilization: Stabilization
+) {
+    if (supportedStabilizationMode.isNotEmpty() &&
+        (videoStabilization == Stabilization.ON || previewStabilization == Stabilization.ON)
+    ) {
+        val descriptionText = if (videoStabilization == Stabilization.ON) {
+            stringResource(id = R.string.stabilization_icon_description_preview_and_video)
+        } else {
+            // previewStabilization will not be on for high quality
+            stringResource(id = R.string.stabilization_icon_description_video_only)
+        }
+        Icon(
+            painter = painterResource(id = R.drawable.baseline_video_stable_24),
+            contentDescription = descriptionText,
+            tint = Color.White
+        )
+    }
+}
+
 /**
  * A temporary button that can be added to preview for quick testing purposes
  */
@@ -160,21 +227,18 @@ fun FlipCameraButton(
     enabledCondition: Boolean,
     onClick: () -> Unit
 ) {
-    Box(modifier = modifier) {
-        IconButton(
-            modifier = Modifier
-                .align(Alignment.Center)
-                .size(40.dp),
-            onClick = onClick,
-            enabled = enabledCondition
-        ) {
-            Icon(
-                imageVector = Icons.Filled.Refresh,
-                tint = Color.White,
-                contentDescription = stringResource(id = R.string.flip_camera_content_description),
-                modifier = Modifier.size(72.dp)
-            )
-        }
+    IconButton(
+        modifier = modifier
+            .size(40.dp),
+        onClick = onClick,
+        enabled = enabledCondition
+    ) {
+        Icon(
+            imageVector = Icons.Filled.Refresh,
+            tint = Color.White,
+            contentDescription = stringResource(id = R.string.flip_camera_content_description),
+            modifier = Modifier.size(72.dp)
+        )
     }
 }