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 import static com.android.documentsui.base.State.MODE_GRID;
20 
21 import android.content.Context;
22 import android.database.Cursor;
23 import android.view.View;
24 import android.view.ViewGroup;
25 import android.widget.Button;
26 import android.widget.ImageView;
27 import android.widget.TextView;
28 
29 import com.android.documentsui.R;
30 import com.android.documentsui.base.State.ViewMode;
31 
32 /**
33  * RecyclerView.ViewHolder class that displays at the top of the directory list when there
34  * are more information from the Provider.
35  * Used by {@link DirectoryAddonsAdapter}.
36  */
37 final class HeaderMessageDocumentHolder extends MessageHolder {
38     private final View mRoot;
39     private final ImageView mIcon;
40     private final TextView mTitle;
41     private final TextView mSubtitle;
42     private final TextView mTextView;
43     private final View mActionView;
44     private final Button mDismissButton;
45     private final Button mActionButton;
46     private Message mMessage;
47 
HeaderMessageDocumentHolder(Context context, ViewGroup parent)48     public HeaderMessageDocumentHolder(Context context, ViewGroup parent) {
49         super(context, parent, R.layout.item_doc_header_message);
50 
51         mRoot = itemView.findViewById(R.id.item_root);
52         mIcon = (ImageView) itemView.findViewById(R.id.message_icon);
53         mTitle = itemView.findViewById(R.id.message_title);
54         mSubtitle = itemView.findViewById(R.id.message_subtitle);
55         mTextView = (TextView) itemView.findViewById(R.id.message_textview);
56         mActionView = (View) itemView.findViewById(R.id.action_view);
57         mActionButton = (Button) itemView.findViewById(R.id.action_button);
58         mDismissButton = (Button) itemView.findViewById(R.id.dismiss_button);
59     }
60 
bind(Message message)61     public void bind(Message message) {
62         mMessage = message;
63         mDismissButton.setOnClickListener(this::onButtonClick);
64         mActionButton.setOnClickListener(this::onButtonClick);
65         bind(null, null);
66     }
67 
68     /**
69      * We set different padding on directory parent in different mode by
70      * {@link DirectoryFragment#onViewModeChanged()}. To avoid the layout shifting when
71      * display mode changed, we set the opposite padding on the item.
72      */
setPadding(@iewMode int mode)73     public void setPadding(@ViewMode int mode) {
74         int padding = itemView.getResources().getDimensionPixelSize(mode == MODE_GRID
75                 ? R.dimen.list_container_padding : R.dimen.grid_container_padding);
76         mRoot.setPadding(padding, 0, padding, 0);
77     }
78 
onButtonClick(View button)79     private void onButtonClick(View button) {
80         mMessage.runCallback();
81     }
82 
83     @Override
bind(Cursor cursor, String modelId)84     public void bind(Cursor cursor, String modelId) {
85         if (mMessage.getTitleString() != null) {
86             mTitle.setVisibility(View.VISIBLE);
87             mSubtitle.setVisibility(View.VISIBLE);
88             mTextView.setVisibility(View.GONE);
89             mTitle.setText(mMessage.getTitleString());
90             mSubtitle.setText(mMessage.getMessageString());
91         } else {
92             mTitle.setVisibility(View.GONE);
93             mSubtitle.setVisibility(View.GONE);
94             mTextView.setVisibility(View.VISIBLE);
95             mTextView.setText(mMessage.getMessageString());
96         }
97 
98         mIcon.setImageDrawable(mMessage.getIcon());
99 
100         if (mMessage.shouldKeep()) {
101             mActionView.setVisibility(View.VISIBLE);
102             mDismissButton.setVisibility(View.GONE);
103             if (mMessage.getButtonString() != null) {
104                 mActionButton.setText(mMessage.getButtonString());
105             }
106         } else {
107             mActionView.setVisibility(View.GONE);
108             mDismissButton.setVisibility(View.VISIBLE);
109             if (mMessage.getButtonString() != null) {
110                 mDismissButton.setText(mMessage.getButtonString());
111             }
112         }
113     }
114 }