AutomaticStorageManagerSettings.java revision aad643caf24f6bfe7a04a0422d10102246877925 
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.settings.deletionhelper;
18
19import android.app.Activity;
20import android.content.Context;
21import android.content.Intent;
22import android.content.res.Resources;
23import android.os.Bundle;
24import android.provider.Settings;
25import android.util.Log;
26import android.view.View;
27import android.widget.Switch;
28import android.support.v14.preference.SwitchPreference;
29import android.support.v7.preference.DropDownPreference;
30import android.support.v7.preference.Preference;
31import android.support.v7.preference.Preference.OnPreferenceChangeListener;
32import android.support.v7.preference.PreferenceScreen;
33
34import com.android.internal.logging.MetricsProto.MetricsEvent;
35import com.android.settings.SettingsActivity;
36import com.android.settings.SettingsPreferenceFragment;
37import com.android.settings.R;
38import com.android.settings.widget.SwitchBar;
39import com.android.settings.widget.SwitchBar.OnSwitchChangeListener;
40
41/**
42 * AutomaticStorageManagerSettings is the Settings screen for configuration and management of the
43 * automatic storage manager.
44 */
45public class AutomaticStorageManagerSettings extends SettingsPreferenceFragment implements
46        OnPreferenceChangeListener, Preference.OnPreferenceClickListener {
47    public static final int DEFAULT_DAYS_TO_RETAIN = 90;
48
49    private static final String KEY_DAYS = "days";
50    private static final String KEY_DELETION_HELPER = "deletion_helper";
51    private static final String KEY_STORAGE_MANAGER_SWITCH = "storage_manager_active";
52
53    private DropDownPreference mDaysToRetain;
54    private Preference mDeletionHelper;
55    private SwitchPreference mStorageManagerSwitch;
56
57    @Override
58    public void onCreate(Bundle savedInstanceState) {
59        super.onCreate(savedInstanceState);
60        addPreferencesFromResource(R.xml.automatic_storage_management_settings);
61    }
62
63    @Override
64    public void onActivityCreated(Bundle savedInstanceState) {
65        super.onActivityCreated(savedInstanceState);
66        mDaysToRetain = (DropDownPreference) findPreference(KEY_DAYS);
67        mDaysToRetain.setOnPreferenceChangeListener(this);
68
69        mDeletionHelper = findPreference(KEY_DELETION_HELPER);
70        mDeletionHelper.setOnPreferenceClickListener(this);
71
72        mStorageManagerSwitch = (SwitchPreference) findPreference(KEY_STORAGE_MANAGER_SWITCH);
73        mStorageManagerSwitch.setOnPreferenceChangeListener(this);
74
75        int value = Settings.Secure.getInt(getContentResolver(),
76                Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN,
77                Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN_DEFAULT);
78        String[] stringValues =
79                getResources().getStringArray(R.array.automatic_storage_management_days_values);
80        mDaysToRetain.setValue(stringValues[daysValueToIndex(value, stringValues)]);
81    }
82
83    @Override
84    public void onResume() {
85        super.onResume();
86        boolean isChecked =
87                Settings.Secure.getInt(getContentResolver(),
88                        Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, 0) != 0;
89        mStorageManagerSwitch.setChecked(isChecked);
90        mDaysToRetain.setEnabled(isChecked);
91    }
92
93    @Override
94    public boolean onPreferenceChange(Preference preference, Object newValue) {
95        switch (preference.getKey()) {
96            case KEY_STORAGE_MANAGER_SWITCH:
97                boolean checked = (boolean) newValue;
98                mDaysToRetain.setEnabled(checked);
99                Settings.Secure.putInt(getContentResolver(),
100                        Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, checked ? 1 : 0);
101                break;
102            case KEY_DAYS:
103                Settings.Secure.putInt(getContentResolver(),
104                        Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN,
105                        Integer.parseInt((String) newValue));
106                break;
107        }
108        return true;
109    }
110
111    @Override
112    protected int getMetricsCategory() {
113        return MetricsEvent.STORAGE_MANAGER_SETTINGS;
114    }
115
116    @Override
117    public boolean onPreferenceClick(Preference preference) {
118        if (KEY_DELETION_HELPER.equals(preference.getKey())) {
119            Intent intent = new Intent(Settings.ACTION_DELETION_HELPER_SETTINGS);
120            getContext().startActivity(intent);
121        }
122        return true;
123    }
124
125    private static int daysValueToIndex(int value, String[] indices) {
126        for (int i = 0; i < indices.length; i++) {
127            int thisValue = Integer.parseInt(indices[i]);
128            if (value == thisValue) {
129                return i;
130            }
131        }
132        return indices.length - 1;
133    }
134}
135