Show gallery button on camera screen when camera permission is denied.

app/src/main/java/org/thoughtcrime/securesms/mediasend/CameraXFragment.kt

@@ -39,6 +39,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import org.signal.camera.CameraScreen
@@ -46,6 +47,7 @@ import org.signal.camera.CameraScreenEvents
 import org.signal.camera.CameraScreenViewModel
 import org.signal.camera.VideoCaptureResult
 import org.signal.camera.VideoOutput
+import org.signal.camera.hud.GalleryThumbnailButton
 import org.signal.camera.hud.StandardCameraHud
 import org.signal.camera.hud.StandardCameraHudEvents
 import org.signal.camera.hud.StringResources
@@ -141,6 +143,7 @@ class CameraXFragment : ComposeFragment(), CameraFragment {
       onCheckPermissions = { checkPermissions(isVideoEnabled) },
       hasCameraPermission = { hasCameraPermission() },
       onRequestMicPermission = { requestMicPermission() },
+      onGalleryClicked = { controller?.onGalleryClicked() },
       createVideoFileDescriptor = { createVideoFileDescriptor() },
       getMaxVideoDurationInSeconds = { getMaxVideoDurationInSeconds() },
       cameraDisplay = CameraDisplay.getDisplay(requireActivity())
@@ -300,6 +303,7 @@ private fun CameraXScreen(
   onCheckPermissions: () -> Unit,
   hasCameraPermission: () -> Boolean,
   onRequestMicPermission: () -> Unit,
+  onGalleryClicked: () -> Unit,
   createVideoFileDescriptor: () -> ParcelFileDescriptor?,
   getMaxVideoDurationInSeconds: () -> Int,
   cameraDisplay: CameraDisplay,
@@ -436,7 +440,9 @@ private fun CameraXScreen(
     } else {
       PermissionMissingContent(
         isVideoEnabled = isVideoEnabled,
-        onRequestPermissions = onCheckPermissions
+        onRequestPermissions = onCheckPermissions,
+        onGalleryClicked = onGalleryClicked,
+        galleryButtonBottomPadding = hudBottomMargin + 16.dp
       )
     }
   }
@@ -445,7 +451,9 @@ private fun CameraXScreen(
 @Composable
 private fun PermissionMissingContent(
   isVideoEnabled: Boolean,
-  onRequestPermissions: () -> Unit
+  onRequestPermissions: () -> Unit,
+  onGalleryClicked: () -> Unit,
+  galleryButtonBottomPadding: Dp = 16.dp
 ) {
   val context = LocalContext.current
   val hasAudioPermission = remember { Permissions.hasAll(context, Manifest.permission.RECORD_AUDIO) }
@@ -476,6 +484,14 @@ private fun PermissionMissingContent(
         Text(text = stringResource(R.string.CameraXFragment_allow_access))
       }
     }
+
+    Box(
+      modifier = Modifier
+        .align(Alignment.BottomEnd)
+        .padding(bottom = galleryButtonBottomPadding, end = 40.dp)
+    ) {
+      GalleryThumbnailButton(onClick = onGalleryClicked)
+    }
   }
 }
 
@@ -600,6 +616,7 @@ private fun CameraXScreenPreview_20_9() {
       onCheckPermissions = {},
       hasCameraPermission = { true },
       onRequestMicPermission = { },
+      onGalleryClicked = { },
       createVideoFileDescriptor = { null },
       getMaxVideoDurationInSeconds = { 60 },
       cameraDisplay = CameraDisplay.DISPLAY_20_9,
@@ -626,6 +643,7 @@ private fun CameraXScreenPreview_19_9() {
       onCheckPermissions = {},
       hasCameraPermission = { true },
       onRequestMicPermission = { },
+      onGalleryClicked = { },
       createVideoFileDescriptor = { null },
       getMaxVideoDurationInSeconds = { 60 },
       cameraDisplay = CameraDisplay.DISPLAY_19_9,
@@ -652,6 +670,7 @@ private fun CameraXScreenPreview_18_9() {
       onCheckPermissions = {},
       hasCameraPermission = { true },
       onRequestMicPermission = { },
+      onGalleryClicked = { },
       createVideoFileDescriptor = { null },
       getMaxVideoDurationInSeconds = { 60 },
       cameraDisplay = CameraDisplay.DISPLAY_18_9,
@@ -678,6 +697,7 @@ private fun CameraXScreenPreview_16_9() {
       onCheckPermissions = {},
       hasCameraPermission = { true },
       onRequestMicPermission = { },
+      onGalleryClicked = { },
       createVideoFileDescriptor = { null },
       getMaxVideoDurationInSeconds = { 60 },
       cameraDisplay = CameraDisplay.DISPLAY_16_9,
@@ -704,6 +724,7 @@ private fun CameraXScreenPreview_6_5() {
       onCheckPermissions = {},
       hasCameraPermission = { true },
       onRequestMicPermission = { },
+      onGalleryClicked = { },
       createVideoFileDescriptor = { null },
       getMaxVideoDurationInSeconds = { 60 },
       cameraDisplay = CameraDisplay.DISPLAY_6_5,