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      1 /*
      2  * Copyright (C) 2011 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.bluetooth;
     18 
     19 import android.app.AlertDialog;
     20 import android.bluetooth.BluetoothClass;
     21 import android.bluetooth.BluetoothProfile;
     22 import android.content.Context;
     23 import android.content.DialogInterface;
     24 import android.widget.Toast;
     25 
     26 import com.android.settings.R;
     27 import com.android.settings.search.Index;
     28 import com.android.settings.search.SearchIndexableRaw;
     29 
     30 /**
     31  * Utils is a helper class that contains constants for various
     32  * Android resource IDs, debug logging flags, and static methods
     33  * for creating dialogs.
     34  */
     35 final class Utils {
     36     static final boolean V = false; // verbose logging
     37     static final boolean D = true;  // regular logging
     38 
     39     private Utils() {
     40     }
     41 
     42     public static int getConnectionStateSummary(int connectionState) {
     43         switch (connectionState) {
     44         case BluetoothProfile.STATE_CONNECTED:
     45             return R.string.bluetooth_connected;
     46         case BluetoothProfile.STATE_CONNECTING:
     47             return R.string.bluetooth_connecting;
     48         case BluetoothProfile.STATE_DISCONNECTED:
     49             return R.string.bluetooth_disconnected;
     50         case BluetoothProfile.STATE_DISCONNECTING:
     51             return R.string.bluetooth_disconnecting;
     52         default:
     53             return 0;
     54         }
     55     }
     56 
     57     // Create (or recycle existing) and show disconnect dialog.
     58     static AlertDialog showDisconnectDialog(Context context,
     59             AlertDialog dialog,
     60             DialogInterface.OnClickListener disconnectListener,
     61             CharSequence title, CharSequence message) {
     62         if (dialog == null) {
     63             dialog = new AlertDialog.Builder(context)
     64                     .setPositiveButton(android.R.string.ok, disconnectListener)
     65                     .setNegativeButton(android.R.string.cancel, null)
     66                     .create();
     67         } else {
     68             if (dialog.isShowing()) {
     69                 dialog.dismiss();
     70             }
     71             // use disconnectListener for the correct profile(s)
     72             CharSequence okText = context.getText(android.R.string.ok);
     73             dialog.setButton(DialogInterface.BUTTON_POSITIVE,
     74                     okText, disconnectListener);
     75         }
     76         dialog.setTitle(title);
     77         dialog.setMessage(message);
     78         dialog.show();
     79         return dialog;
     80     }
     81 
     82     // TODO: wire this up to show connection errors...
     83     static void showConnectingError(Context context, String name) {
     84         // if (!mIsConnectingErrorPossible) {
     85         //     return;
     86         // }
     87         // mIsConnectingErrorPossible = false;
     88 
     89         showError(context, name, R.string.bluetooth_connecting_error_message);
     90     }
     91 
     92     static void showError(Context context, String name, int messageResId) {
     93         String message = context.getString(messageResId, name);
     94         LocalBluetoothManager manager = LocalBluetoothManager.getInstance(context);
     95         Context activity = manager.getForegroundActivity();
     96         if(manager.isForegroundActivity()) {
     97             new AlertDialog.Builder(activity)
     98                 .setTitle(R.string.bluetooth_error_title)
     99                 .setMessage(message)
    100                 .setPositiveButton(android.R.string.ok, null)
    101                 .show();
    102         } else {
    103             Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
    104         }
    105     }
    106 
    107     /**
    108      * Update the search Index for a specific class name and resources.
    109      */
    110     public static void updateSearchIndex(Context context, String className, String title,
    111             String screenTitle, int iconResId, boolean enabled) {
    112         SearchIndexableRaw data = new SearchIndexableRaw(context);
    113         data.className = className;
    114         data.title = title;
    115         data.screenTitle = screenTitle;
    116         data.iconResId = iconResId;
    117         data.enabled = enabled;
    118 
    119         Index.getInstance(context).updateFromSearchIndexableData(data);
    120     }
    121 }
    122