1/*
2 * Copyright (C) 2017 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.applications.appinfo;
18
19import android.content.Context;
20import android.content.pm.ApplicationInfo;
21import android.content.pm.PackageInfo;
22import android.content.pm.PackageManager;
23import android.hardware.usb.IUsbManager;
24import android.os.ServiceManager;
25import android.support.v7.preference.Preference;
26import android.support.v7.preference.PreferenceScreen;
27
28import com.android.settings.SettingsPreferenceFragment;
29import com.android.settings.applications.AppLaunchSettings;
30import com.android.settingslib.applications.AppUtils;
31import com.android.settingslib.applications.ApplicationsState;
32
33public class AppOpenByDefaultPreferenceController extends AppInfoPreferenceControllerBase {
34
35    private IUsbManager mUsbManager;
36    private PackageManager mPackageManager;
37
38    public AppOpenByDefaultPreferenceController(Context context, String key) {
39        super(context, key);
40        mUsbManager = IUsbManager.Stub.asInterface(ServiceManager.getService(Context.USB_SERVICE));
41        mPackageManager = context.getPackageManager();
42    }
43
44    @Override
45    public void displayPreference(PreferenceScreen screen) {
46        super.displayPreference(screen);
47        final ApplicationsState.AppEntry appEntry = mParent.getAppEntry();
48        if (appEntry == null || appEntry.info == null) {
49            mPreference.setEnabled(false);
50        } else if ((appEntry.info.flags & ApplicationInfo.FLAG_INSTALLED) == 0
51                || !appEntry.info.enabled) {
52            mPreference.setEnabled(false);
53        }
54    }
55
56    @Override
57    public void updateState(Preference preference) {
58        final PackageInfo packageInfo = mParent.getPackageInfo();
59        if (packageInfo != null && !AppUtils.isInstant(packageInfo.applicationInfo)) {
60            preference.setVisible(true);
61            preference.setSummary(AppUtils.getLaunchByDefaultSummary(mParent.getAppEntry(),
62                    mUsbManager, mPackageManager, mContext));
63        } else {
64            preference.setVisible(false);
65        }
66    }
67
68    @Override
69    protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() {
70        return AppLaunchSettings.class;
71    }
72
73}
74