DiscoverableFooterPreferenceController.java revision 4f636b90b8a41bfa3a57678e51d42547c1ba2229 
1/*
2 * Copyright (C) 2018 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.connecteddevice;
18
19import android.content.Context;
20import android.content.pm.PackageManager;
21import android.support.v7.preference.PreferenceScreen;
22
23import com.android.internal.annotations.VisibleForTesting;
24import com.android.settings.core.BasePreferenceController;
25import com.android.settings.dashboard.DashboardFragment;
26import com.android.settingslib.widget.FooterPreference;
27import com.android.settingslib.widget.FooterPreferenceMixin;
28
29/**
30 * Controller that shows and updates the bluetooth device name
31 */
32public class DiscoverableFooterPreferenceController extends BasePreferenceController {
33    private static final String KEY = "discoverable_footer_preference";
34
35    private FooterPreference mPreference;
36    private FooterPreferenceMixin mFooterPreferenceMixin;
37
38
39    public DiscoverableFooterPreferenceController(Context context) { super(context, KEY); }
40
41    public void init(DashboardFragment fragment) {
42        mFooterPreferenceMixin = new FooterPreferenceMixin(fragment, fragment.getLifecycle());
43    }
44
45    @VisibleForTesting
46    void init(FooterPreferenceMixin footerPreferenceMixin, FooterPreference preference) {
47        mFooterPreferenceMixin = footerPreferenceMixin;
48        mPreference = preference;
49    }
50
51    @Override
52    public void displayPreference(PreferenceScreen screen) {
53        super.displayPreference(screen);
54        addFooterPreference(screen);
55    }
56
57    @Override
58    public int getAvailabilityStatus() {
59        return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
60                ? AVAILABLE
61                : UNSUPPORTED_ON_DEVICE;
62    }
63
64    private void addFooterPreference(PreferenceScreen screen) {
65        mPreference = mFooterPreferenceMixin.createFooterPreference();
66        mPreference.setKey(KEY);
67        screen.addPreference(mPreference);
68    }
69}