Enable scrollable image preview view

Enable scrollable image preview view under a feature flag.

Bug: 262280076
Test: manual test
Test: atest IntentResolverUnitTests with the both flag values
Change-Id: I86050f1e9193412d15fb35a162a0405cf8287401

3 files changed, 23 insertions, 3 deletions

diff --git a/java/src/com/android/intentresolver/ChooserContentPreviewUi.java b/java/src/com/android/intentresolver/ChooserContentPreviewUi.java
index 553a36c6..9bef3553 100644
--- a/java/src/com/android/intentresolver/ChooserContentPreviewUi.java
+++ b/java/src/com/android/intentresolver/ChooserContentPreviewUi.java
@@ -363,8 +363,7 @@ public final class ChooserContentPreviewUi {
             @LayoutRes int actionRowLayout) {
         ViewGroup contentPreviewLayout = (ViewGroup) layoutInflater.inflate(
                 R.layout.chooser_grid_preview_image, parent, false);
-        ImagePreviewView imagePreview = contentPreviewLayout.findViewById(
-                com.android.internal.R.id.content_preview_image_area);
+        ImagePreviewView imagePreview = inflateImagePreviewView(contentPreviewLayout);
 
         final ActionRow actionRow = inflateActionRow(contentPreviewLayout, actionRowLayout);
         if (actionRow != null) {
@@ -431,6 +430,20 @@ public final class ChooserContentPreviewUi {
         return actions;
     }
 
+    private ImagePreviewView inflateImagePreviewView(ViewGroup previewLayout) {
+        ViewStub stub = previewLayout.findViewById(R.id.image_preview_stub);
+        if (stub != null) {
+            int layoutId =
+                    mFeatureFlagRepository.isEnabled(Flags.SHARESHEET_SCROLLABLE_IMAGE_PREVIEW)
+                            ? R.layout.scrollable_image_preview_view
+                            : R.layout.chooser_image_preview_view;
+            stub.setLayoutResource(layoutId);
+            stub.inflate();
+        }
+        return previewLayout.findViewById(
+                com.android.internal.R.id.content_preview_image_area);
+    }
+
     private static ViewGroup displayFileContentPreview(
             Intent targetIntent,
             Resources resources,
diff --git a/java/src/com/android/intentresolver/flags/Flags.kt b/java/src/com/android/intentresolver/flags/Flags.kt
index 92ee5115..027eb56c 100644
--- a/java/src/com/android/intentresolver/flags/Flags.kt
+++ b/java/src/com/android/intentresolver/flags/Flags.kt
@@ -35,6 +35,12 @@ object Flags {
         id = 1503, name = "sharesheet_image_text_preview"
     )
 
+    // TODO(b/267355521) Tracking Bug
+    @JvmField
+    val SHARESHEET_SCROLLABLE_IMAGE_PREVIEW = unreleasedFlag(
+        1504, "sharesheet_scrollable_image_preview"
+    )
+
     private fun unreleasedFlag(id: Int, name: String, teamfood: Boolean = false) =
         UnreleasedFlag(id, name, "systemui", teamfood)
 }
diff --git a/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt b/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt
index bf10bfaa..ca94a95d 100644
--- a/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt
+++ b/java/src/com/android/intentresolver/widget/ChooserImagePreviewView.kt
@@ -57,7 +57,8 @@ class ChooserImagePreviewView : RelativeLayout, ImagePreviewView {
     private var transitionStatusElementCallback: TransitionElementStatusCallback? = null
 
     override fun onFinishInflate() {
-        LayoutInflater.from(context).inflate(R.layout.image_preview_view, this, true)
+        LayoutInflater.from(context)
+            .inflate(R.layout.chooser_image_preview_view_internals, this, true)
         mainImage = requireViewById(IntR.id.content_preview_image_1_large)
         secondLargeImage = requireViewById(IntR.id.content_preview_image_2_large)
         secondSmallImage = requireViewById(IntR.id.content_preview_image_2_small)