AppLaunchSettings.java revision 588a0881c13d8ed63ba67b3145254c22211a2019 
1/*
2 * Copyright (C) 2015 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;
18
19import android.app.AlertDialog;
20import android.appwidget.AppWidgetManager;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.IntentFilter;
24import android.content.pm.PackageManager;
25import android.hardware.usb.IUsbManager;
26import android.os.Bundle;
27import android.os.RemoteException;
28import android.os.UserHandle;
29import android.text.SpannableString;
30import android.text.TextUtils;
31import android.text.style.BulletSpan;
32import android.util.Log;
33import android.view.LayoutInflater;
34import android.view.View;
35import android.view.View.OnClickListener;
36import android.view.ViewGroup;
37import android.widget.Button;
38import android.widget.TextView;
39
40import com.android.settings.R;
41import com.android.settings.Utils;
42import com.android.settings.applications.ApplicationsState.AppEntry;
43
44import java.util.ArrayList;
45import java.util.Collections;
46import java.util.List;
47
48public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListener {
49
50    private Button mActivitiesButton;
51    private AppWidgetManager mAppWidgetManager;
52
53    private View mRootView;
54
55    @Override
56    public void onCreate(Bundle savedInstanceState) {
57        super.onCreate(savedInstanceState);
58        mAppWidgetManager = AppWidgetManager.getInstance(getActivity());
59    }
60
61    @Override
62    public View onCreateView(LayoutInflater inflater, ViewGroup container,
63            Bundle savedInstanceState) {
64        final View view = inflater.inflate(R.layout.app_preferred_settings, container, false);
65
66        final ViewGroup allDetails = (ViewGroup) view.findViewById(R.id.all_details);
67        Utils.forceCustomPadding(allDetails, true /* additive padding */);
68
69        mActivitiesButton = (Button) view.findViewById(R.id.clear_activities_button);
70        mRootView = view;
71
72        return view;
73    }
74
75    @Override
76    protected boolean refreshUi() {
77        retrieveAppEntry();
78        boolean hasBindAppWidgetPermission =
79                mAppWidgetManager.hasBindAppWidgetPermission(mAppEntry.info.packageName);
80
81        TextView autoLaunchTitleView = (TextView) mRootView.findViewById(R.id.auto_launch_title);
82        TextView autoLaunchView = (TextView) mRootView.findViewById(R.id.auto_launch);
83        boolean autoLaunchEnabled = hasPreferredActivities(mPm, mPackageName)
84                || hasUsbDefaults(mUsbManager, mPackageName);
85        if (!autoLaunchEnabled && !hasBindAppWidgetPermission) {
86            resetLaunchDefaultsUi(autoLaunchTitleView, autoLaunchView);
87        } else {
88            boolean useBullets = hasBindAppWidgetPermission && autoLaunchEnabled;
89
90            if (hasBindAppWidgetPermission) {
91                autoLaunchTitleView.setText(R.string.auto_launch_label_generic);
92            } else {
93                autoLaunchTitleView.setText(R.string.auto_launch_label);
94            }
95
96            CharSequence text = null;
97            int bulletIndent = getResources()
98                    .getDimensionPixelSize(R.dimen.installed_app_details_bullet_offset);
99            if (autoLaunchEnabled) {
100                CharSequence autoLaunchEnableText = getText(R.string.auto_launch_enable_text);
101                SpannableString s = new SpannableString(autoLaunchEnableText);
102                if (useBullets) {
103                    s.setSpan(new BulletSpan(bulletIndent), 0, autoLaunchEnableText.length(), 0);
104                }
105                text = (text == null) ?
106                        TextUtils.concat(s, "\n") : TextUtils.concat(text, "\n", s, "\n");
107            }
108            if (hasBindAppWidgetPermission) {
109                CharSequence alwaysAllowBindAppWidgetsText =
110                        getText(R.string.always_allow_bind_appwidgets_text);
111                SpannableString s = new SpannableString(alwaysAllowBindAppWidgetsText);
112                if (useBullets) {
113                    s.setSpan(new BulletSpan(bulletIndent),
114                            0, alwaysAllowBindAppWidgetsText.length(), 0);
115                }
116                text = (text == null) ?
117                        TextUtils.concat(s, "\n") : TextUtils.concat(text, "\n", s, "\n");
118            }
119            autoLaunchView.setText(text);
120            mActivitiesButton.setEnabled(true);
121            mActivitiesButton.setOnClickListener(this);
122        }
123        return true;
124    }
125
126    private void resetLaunchDefaultsUi(TextView title, TextView autoLaunchView) {
127        title.setText(R.string.auto_launch_label);
128        autoLaunchView.setText(R.string.auto_launch_disable_text);
129        // Disable clear activities button
130        mActivitiesButton.setEnabled(false);
131    }
132
133    @Override
134    protected AlertDialog createDialog(int id, int errorCode) {
135        // No dialogs for preferred launch settings.
136        return null;
137    }
138
139    @Override
140    public void onClick(View v) {
141        if (v == mActivitiesButton) {
142            if (mUsbManager != null) {
143                mPm.clearPackagePreferredActivities(mPackageName);
144                try {
145                    mUsbManager.clearDefaults(mPackageName, UserHandle.myUserId());
146                } catch (RemoteException e) {
147                    Log.e(TAG, "mUsbManager.clearDefaults", e);
148                }
149                mAppWidgetManager.setBindAppWidgetPermission(mPackageName, false);
150                TextView autoLaunchTitleView =
151                        (TextView) mRootView.findViewById(R.id.auto_launch_title);
152                TextView autoLaunchView = (TextView) mRootView.findViewById(R.id.auto_launch);
153                resetLaunchDefaultsUi(autoLaunchTitleView, autoLaunchView);
154            }
155        }
156    }
157
158    private static boolean hasUsbDefaults(IUsbManager usbManager, String packageName) {
159        try {
160            if (usbManager != null) {
161                return usbManager.hasDefaults(packageName, UserHandle.myUserId());
162            }
163        } catch (RemoteException e) {
164            Log.e(TAG, "mUsbManager.hasDefaults", e);
165        }
166        return false;
167    }
168
169    private static boolean hasPreferredActivities(PackageManager pm, String packageName) {
170        // Get list of preferred activities
171        List<ComponentName> prefActList = Collections.emptyList();
172        // Intent list cannot be null. so pass empty list
173        List<IntentFilter> intentList = Collections.emptyList();
174        pm.getPreferredActivities(intentList, prefActList, packageName);
175        if (localLOGV) {
176            Log.i(TAG, "Have " + prefActList.size() + " number of activities in preferred list");
177        }
178        return prefActList.size() > 0;
179    }
180
181    public static CharSequence getSummary(AppEntry appEntry, IUsbManager usbManager,
182            PackageManager pm, Context context) {
183        String packageName = appEntry.info.packageName;
184        boolean hasPreferred = hasPreferredActivities(pm, packageName)
185                || hasUsbDefaults(usbManager, packageName);
186        return context.getString(hasPreferred
187                ? R.string.launch_defaults_some
188                : R.string.launch_defaults_none);
189    }
190
191}
192