src/com/android/settings/AllowBindAppWidgetActivity.java

   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.app.AlertDialog;
  20 import android.appwidget.AppWidgetManager;
  21 import android.content.ComponentName;
  22 import android.content.Context;
  23 import android.content.DialogInterface;
  24 import android.content.Intent;
  25 import android.content.pm.ApplicationInfo;
  26 import android.content.pm.PackageManager;
  27 import android.os.Bundle;
  28 import android.os.UserHandle;
  29 import android.util.Log;
  30 import android.view.LayoutInflater;
  31 import android.widget.CheckBox;
  32
  33 import com.android.internal.app.AlertActivity;
  34 import 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  */
  40 public 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 }