1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 package com.android.tv.quicksettings;
15 
16 import android.content.Intent;
17 import android.support.v7.widget.RecyclerView;
18 import android.view.LayoutInflater;
19 import android.view.View;
20 import android.view.ViewGroup;
21 import android.widget.TextView;
22 
23 import java.util.ArrayList;
24 
25 public class DialogAdapter extends RecyclerView.Adapter<DialogAdapter.ViewHolder> {
26 
27     private static final float FOCUSED_SCALE = 1f;
28     private static final float UNFOCUSED_SCALE = 0.5f;
29 
30     private final ArrayList<Setting> mSettings;
31     private final int mPivotX;
32     private final int mPivotY;
33     private final SettingClickedListener mSettingClickedListener;
34 
DialogAdapter(ArrayList<Setting> settings, int pivotX, int pivotY, SettingClickedListener settingClickedListener)35     public DialogAdapter(ArrayList<Setting> settings, int pivotX, int pivotY,
36             SettingClickedListener settingClickedListener) {
37         mSettings = settings;
38         mPivotX = pivotX;
39         mPivotY = pivotY;
40         mSettingClickedListener = settingClickedListener;
41     }
42 
43     @Override
onCreateViewHolder(ViewGroup parent, int viewType)44     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
45         View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.dialog_setting, parent,
46                 false);
47         final ViewHolder vh = new ViewHolder(v);
48         v.setPivotX(mPivotX);
49         v.setPivotY(mPivotY);
50         v.setScaleX(UNFOCUSED_SCALE);
51         v.setScaleY(UNFOCUSED_SCALE);
52         v.setOnClickListener(new View.OnClickListener() {
53             @Override
54             public void onClick(View v) {
55                 Setting s = vh.mSetting;
56                 if (s != null) {
57                     mSettingClickedListener.onSettingClicked(s);
58                 }
59             }
60         });
61         v.setOnFocusChangeListener(new View.OnFocusChangeListener() {
62             @Override
63             public void onFocusChange(View v, boolean focusGained) {
64                 float scale = focusGained ? FOCUSED_SCALE : UNFOCUSED_SCALE;
65                 v.animate().cancel();
66                 v.animate().scaleX(scale).scaleY(scale).setDuration(
67                         v.getContext().getResources()
68                                 .getInteger(android.R.integer.config_shortAnimTime))
69                         .start();
70             }
71         });
72         return vh;
73     }
74 
75     @Override
onBindViewHolder(ViewHolder holder, int position)76     public void onBindViewHolder(ViewHolder holder, int position) {
77         Setting s = mSettings.get(position);
78         holder.setSetting(s);
79         holder.mTitle.setText(s.getTitle());
80     }
81 
82     @Override
onViewRecycled(ViewHolder holder)83     public void onViewRecycled(ViewHolder holder) {
84         holder.setSetting(null);
85     }
86 
87     @Override
getItemCount()88     public int getItemCount() {
89         return mSettings.size();
90     }
91 
92     public static class ViewHolder extends RecyclerView.ViewHolder {
93         private final TextView mTitle;
94         private Setting mSetting;
95 
ViewHolder(View itemView)96         public ViewHolder(View itemView) {
97             super(itemView);
98             mTitle = (TextView) itemView.findViewById(R.id.setting_title);
99         }
100 
setSetting(Setting setting)101         public void setSetting(Setting setting) {
102             mSetting = setting;
103         }
104     }
105 }
106