1 /*
2  * Copyright (C) 2012 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 
17 package com.android.settings;
18 
19 import android.appwidget.AppWidgetManager;
20 import android.content.ComponentName;
21 import android.content.Context;
22 import android.content.DialogInterface;
23 import android.content.Intent;
24 import android.content.pm.ApplicationInfo;
25 import android.content.pm.PackageManager;
26 import android.os.Bundle;
27 import android.os.UserHandle;
28 import android.util.Log;
29 import android.view.LayoutInflater;
30 import android.widget.CheckBox;
31 
32 import androidx.appcompat.app.AlertDialog;
33 
34 import com.android.internal.app.AlertActivity;
35 import com.android.internal.app.AlertController;
36 
37 /**
38  * This activity is displayed when an app launches the BIND_APPWIDGET intent. This allows apps
39  * that don't have the BIND_APPWIDGET permission to bind specific widgets.
40  */
41 public class AllowBindAppWidgetActivity extends AlertActivity implements
42         DialogInterface.OnClickListener {
43 
44     private CheckBox mAlwaysUse;
45     private int mAppWidgetId;
46     private Bundle mBindOptions;
47     private UserHandle mProfile;
48     private ComponentName mComponentName;
49     private String mCallingPackage;
50     private AppWidgetManager mAppWidgetManager;
51 
52     // Indicates whether this activity was closed because of a click
53     private boolean mClicked;
54 
onClick(DialogInterface dialog, int which)55     public void onClick(DialogInterface dialog, int which) {
56         mClicked = true;
57         if (which == AlertDialog.BUTTON_POSITIVE) {
58             if (mAppWidgetId != -1 && mComponentName != null && mCallingPackage != null) {
59                 try {
60                     final boolean bound = mAppWidgetManager.bindAppWidgetIdIfAllowed(mAppWidgetId,
61                             mProfile, mComponentName, mBindOptions);
62                     if (bound) {
63                         Intent result = new Intent();
64                         result.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
65                         setResult(RESULT_OK, result);
66                     }
67                 } catch (Exception e) {
68                     Log.v("BIND_APPWIDGET", "Error binding widget with id "
69                             + mAppWidgetId + " and component " + mComponentName);
70                 }
71 
72                 final boolean alwaysAllowBind = mAlwaysUse.isChecked();
73                 if (alwaysAllowBind != mAppWidgetManager.hasBindAppWidgetPermission(
74                         mCallingPackage)) {
75                     mAppWidgetManager.setBindAppWidgetPermission(mCallingPackage,
76                             alwaysAllowBind);
77                 }
78             }
79         }
80         finish();
81     }
82 
83     @Override
onPause()84     protected void onPause() {
85         if (!mClicked) { // RESULT_CANCELED
86             finish();
87         }
88         super.onPause();
89     }
90 
91     @Override
onCreate(Bundle savedInstanceState)92     protected void onCreate(Bundle savedInstanceState) {
93         super.onCreate(savedInstanceState);
94         setResult(RESULT_CANCELED); // By default, set the result to cancelled
95         Intent intent = getIntent();
96         CharSequence label = "";
97         if (intent != null) {
98             try {
99                 mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
100                 mProfile = intent.getParcelableExtra(
101                         AppWidgetManager.EXTRA_APPWIDGET_PROVIDER_PROFILE);
102                 if (mProfile == null) {
103                     mProfile = android.os.Process.myUserHandle();
104                 }
105                 mComponentName =
106                         intent.getParcelableExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER);
107                 mBindOptions =
108                         intent.getParcelableExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS);
109                 mCallingPackage = getCallingPackage();
110                 PackageManager pm = getPackageManager();
111                 ApplicationInfo ai = pm.getApplicationInfo(mCallingPackage, 0);
112                 label = pm.getApplicationLabel(ai);
113             } catch (Exception e) {
114                 mAppWidgetId = -1;
115                 mComponentName = null;
116                 mCallingPackage = null;
117                 Log.v("BIND_APPWIDGET", "Error getting parameters");
118                 finish();
119                 return;
120             }
121         }
122         AlertController.AlertParams ap = mAlertParams;
123         ap.mTitle = getString(R.string.allow_bind_app_widget_activity_allow_bind_title);
124         ap.mMessage = getString(R.string.allow_bind_app_widget_activity_allow_bind, label);
125         ap.mPositiveButtonText = getString(R.string.create);
126         ap.mNegativeButtonText = getString(android.R.string.cancel);
127         ap.mPositiveButtonListener = this;
128         ap.mNegativeButtonListener = this;
129         LayoutInflater inflater =
130                 (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
131         ap.mView = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null);
132         mAlwaysUse = (CheckBox) ap.mView.findViewById(com.android.internal.R.id.alwaysUse);
133         mAlwaysUse.setText(getString(R.string.allow_bind_app_widget_activity_always_allow_bind, label));
134 
135         mAlwaysUse.setPadding(mAlwaysUse.getPaddingLeft(),
136                 mAlwaysUse.getPaddingTop(),
137                 mAlwaysUse.getPaddingRight(),
138                 (int) (mAlwaysUse.getPaddingBottom() +
139                         getResources().getDimension(R.dimen.bind_app_widget_dialog_checkbox_bottom_padding)));
140 
141         mAppWidgetManager = AppWidgetManager.getInstance(this);
142         mAlwaysUse.setChecked(mAppWidgetManager.hasBindAppWidgetPermission(mCallingPackage,
143                 mProfile.getIdentifier()));
144 
145         setupAlert();
146     }
147 }
148