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