NestedDeletionPreference.java revision a077e8d3f8c99fd3769d93c4094d434115072a9c 
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
17package com.android.storagemanager.deletionhelper;
18
19import android.content.Context;
20import android.support.v7.preference.CheckBoxPreference;
21import android.support.v7.preference.PreferenceViewHolder;
22import android.text.format.Formatter;
23import android.view.View;
24import android.widget.CheckBox;
25import android.widget.TextView;
26import com.android.storagemanager.R;
27
28/**
29 * NestedCheckboxPreference is a CheckBoxPreference which is nested in to align with a {@link
30 * CollapsibleCheckboxPreferenceGroup}.
31 */
32public class NestedDeletionPreference extends CheckBoxPreference {
33    private TextView mSize;
34    private long mAppSize;
35
36    public NestedDeletionPreference(Context context) {
37        super(context);
38        setLayoutResource(com.android.storagemanager.R.layout.preference_nested);
39        setWidgetLayoutResource(com.android.storagemanager.R.layout.preference_widget_checkbox);
40    }
41
42    @Override
43    protected void onClick() {
44        super.onClick();
45        mSize.setActivated(isChecked());
46    }
47
48    @Override
49    public void onBindViewHolder(PreferenceViewHolder holder) {
50        super.onBindViewHolder(holder);
51        CheckBox checkboxWidget =
52                (CheckBox) holder.findViewById(com.android.internal.R.id.checkbox);
53        checkboxWidget.setVisibility(View.VISIBLE);
54        mSize = (TextView) holder.findViewById(R.id.deletion_type_size);
55        mSize.setActivated(checkboxWidget.isChecked());
56        mSize.setText(getItemSize());
57    }
58
59    void setItemSize(long itemSize) {
60        mAppSize = itemSize;
61    }
62
63    public String getItemSize() {
64        return Formatter.formatFileSize(getContext(), mAppSize);
65    }
66
67}
68