1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.documentsui.dirlist;
18 
19 
20 import android.content.Context;
21 import android.database.Cursor;
22 import android.widget.Space;
23 
24 import com.android.documentsui.R;
25 import com.android.documentsui.base.State;
26 
27 /**
28  * The most elegant transparent blank box that spans N rows ever conceived.
29  * Used by {@link DirectoryAddonsAdapter}.
30  */
31 final class TransparentDividerDocumentHolder extends MessageHolder {
32     private final int mVisibleHeight;
33     private State mState;
34 
TransparentDividerDocumentHolder(Context context)35     public TransparentDividerDocumentHolder(Context context) {
36         super(context, new Space(context));
37 
38         mVisibleHeight = context.getResources().getDimensionPixelSize(
39                 R.dimen.grid_section_separator_height);
40     }
41 
bind(State state)42     public void bind(State state) {
43         mState = state;
44         bind(null, null);
45     }
46 
47     @Override
bind(Cursor cursor, String modelId)48     public void bind(Cursor cursor, String modelId) {
49         if (mState.derivedMode == State.MODE_GRID) {
50             itemView.setMinimumHeight(mVisibleHeight);
51         } else {
52             itemView.setMinimumHeight(0);
53         }
54         return;
55     }
56 }