1 files changed, 57 insertions, 0 deletions
diff --git a/tests/shared/src/com/android/intentresolver/TestContentPreviewViewModel.kt b/tests/shared/src/com/android/intentresolver/TestContentPreviewViewModel.kt
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+++ b/tests/shared/src/com/android/intentresolver/TestContentPreviewViewModel.kt
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+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver
+
+import android.content.Intent
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewmodel.CreationExtras
+import com.android.intentresolver.contentpreview.BasePreviewViewModel
+import com.android.intentresolver.contentpreview.ImageLoader
+import com.android.intentresolver.contentpreview.PreviewDataProvider
+
+/** A test content preview model that supports image loader override. */
+class TestContentPreviewViewModel(
+    private val viewModel: BasePreviewViewModel,
+    private val imageLoader: ImageLoader? = null,
+) : BasePreviewViewModel() {
+    override fun createOrReuseProvider(
+        targetIntent: Intent
+    ): PreviewDataProvider = viewModel.createOrReuseProvider(targetIntent)
+
+    override fun createOrReuseImageLoader(): ImageLoader =
+        imageLoader ?: viewModel.createOrReuseImageLoader()
+
+    companion object {
+        fun wrap(
+            factory: ViewModelProvider.Factory,
+            imageLoader: ImageLoader?,
+        ): ViewModelProvider.Factory =
+            object : ViewModelProvider.Factory {
+                @Suppress("UNCHECKED_CAST")
+                override fun <T : ViewModel> create(
+                    modelClass: Class<T>,
+                    extras: CreationExtras
+                ): T {
+                    return TestContentPreviewViewModel(
+                        factory.create(modelClass, extras) as BasePreviewViewModel,
+                        imageLoader,
+                    ) as T
+                }
+            }
+    }
+}