1 files changed, 53 insertions, 0 deletions
diff --git a/src/com/android/customization/model/grid/GridOptionViewModel.java b/src/com/android/customization/model/grid/GridOptionViewModel.java
new file mode 100644
index 00000000..33fa8e179
--- /dev/null
+++ b/src/com/android/customization/model/grid/GridOptionViewModel.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2021 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.customization.model.grid;
+
+import androidx.lifecycle.SavedStateHandle;
+import androidx.lifecycle.ViewModel;
+
+/** The class to store status of the grid fragment view. */
+public class GridOptionViewModel extends ViewModel {
+    private static final String SELECTED_OPTION_KEY = "selected_option";
+    private static final String BOTTOM_ACTION_BAR_VISIBLE_KEY = "bottom_action_bar_visible";
+
+    private SavedStateHandle mState;
+
+    public GridOptionViewModel(SavedStateHandle savedStateHandle) {
+        mState = savedStateHandle;
+    }
+
+    /** Gets selected {@link GridOption} from {@link SavedStateHandle} */
+    public GridOption getSelectedOption() {
+        return mState.get(SELECTED_OPTION_KEY);
+    }
+
+    /** Sets selected {@link GridOption} to {@link SavedStateHandle} */
+    public void setSelectedOption(GridOption selectedOption) {
+        mState.set(SELECTED_OPTION_KEY, selectedOption);
+    }
+
+    /** Gets bottom action bar visible from {@link SavedStateHandle} */
+    public boolean getBottomActionBarVisible() {
+        return mState.contains(BOTTOM_ACTION_BAR_VISIBLE_KEY)
+                ? mState.get(BOTTOM_ACTION_BAR_VISIBLE_KEY)
+                : false;
+    }
+
+    /** Sets bottom action bar visible to {@link SavedStateHandle} */
+    public void setBottomActionBarVisible(boolean bottomActionBarVisible) {
+        mState.set(BOTTOM_ACTION_BAR_VISIBLE_KEY, bottomActionBarVisible);
+    }
+}