packages/DocumentsUI/src/com/android/documentsui/dirlist/EmptyDocumentHolder.java

/*
 * Copyright (C) 2015 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.documentsui.dirlist;

import android.content.Context;
import android.database.Cursor;
import android.view.View;
import android.widget.Space;

import com.android.documentsui.R;
import com.android.documentsui.State;

final class EmptyDocumentHolder extends DocumentHolder {
    final int mVisibleHeight;

    public EmptyDocumentHolder(Context context) {
        super(context, new Space(context));

        // Per UX spec, this puts a bigger gap between the folders and documents in the grid.
        mVisibleHeight = context.getResources().getDimensionPixelSize(R.dimen.grid_item_margin) * 2;
    }

    public void bind(State state) {
        bind(null, null, state);
    }

    @Override
    public void bind(Cursor cursor, String modelId, State state) {
        if (state.derivedMode == State.MODE_GRID) {
            itemView.setMinimumHeight(mVisibleHeight);
        } else {
            itemView.setMinimumHeight(0);
        }
        return;
    }
}