| 1 | /* This file is part of Aard Dictionary for Android <http://aarddict.org>. |
| 2 | * |
| 3 | * This program is free software: you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 3 |
| 5 | * as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License <http://www.gnu.org/licenses/gpl-3.0.txt> |
| 11 | * for more details. |
| 12 | * |
| 13 | * Copyright (C) 2010 Igor Tkach |
| 14 | */ |
| 15 | |
| 16 | package aarddict.android; |
| 17 | |
| 18 | import android.app.Activity; |
| 19 | import android.app.ProgressDialog; |
| 20 | import android.content.BroadcastReceiver; |
| 21 | import android.content.ComponentName; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.content.IntentFilter; |
| 25 | import android.content.ServiceConnection; |
| 26 | import android.os.IBinder; |
| 27 | import android.util.Log; |
| 28 | import android.view.Window; |
| 29 | import android.widget.Toast; |
| 30 | |
| 31 | abstract class BaseDictionaryActivity extends Activity { |
| 32 | |
| 33 | private final static String TAG = BaseDictionaryActivity.class |
| 34 | .getName(); |
| 35 | |
| 36 | protected final static String ACTION_NO_DICTIONARIES = "aarddict.android.ACTION_NO_DICTIONARIES"; |
| 37 | |
| 38 | protected BroadcastReceiver broadcastReceiver; |
| 39 | protected DictionaryService dictionaryService; |
| 40 | |
| 41 | |
| 42 | private ServiceConnection connection = new ServiceConnection() { |
| 43 | public void onServiceConnected(ComponentName className, IBinder service) { |
| 44 | dictionaryService = ((DictionaryService.LocalBinder)service).getService(); |
| 45 | Log.d(TAG, "Service connected: " + dictionaryService); |
| 46 | onDictionaryServiceConnected(); |
| 47 | } |
| 48 | |
| 49 | public void onServiceDisconnected(ComponentName className) { |
| 50 | Log.d(TAG, "Service disconnected: " + dictionaryService); |
| 51 | dictionaryService = null; |
| 52 | Toast.makeText(BaseDictionaryActivity.this, "Dictionary service disconnected, quitting...", |
| 53 | Toast.LENGTH_LONG).show(); |
| 54 | finish(); |
| 55 | } |
| 56 | }; |
| 57 | |
| 58 | private void registerProgressReceiver() { |
| 59 | IntentFilter intentFilter = new IntentFilter(); |
| 60 | intentFilter.addAction(DictionaryService.DICT_OPEN_FAILED); |
| 61 | intentFilter.addAction(DictionaryService.DISCOVERY_STARTED); |
| 62 | intentFilter.addAction(DictionaryService.DISCOVERY_FINISHED); |
| 63 | intentFilter.addAction(DictionaryService.OPEN_FINISHED); |
| 64 | intentFilter.addAction(DictionaryService.OPEN_STARTED); |
| 65 | intentFilter.addAction(DictionaryService.OPENED_DICT); |
| 66 | |
| 67 | broadcastReceiver = new BroadcastReceiver() { |
| 68 | |
| 69 | ProgressDialog discoveryProgress; |
| 70 | ProgressDialog openProgress; |
| 71 | |
| 72 | @Override |
| 73 | public void onReceive(Context context, Intent intent) { |
| 74 | String a = intent.getAction(); |
| 75 | if (a.equals(DictionaryService.DISCOVERY_STARTED)) { |
| 76 | Log.d(TAG, "dictionary disconvery started"); |
| 77 | if (discoveryProgress == null) { |
| 78 | discoveryProgress = new DiscoveryProgressDialog(context); |
| 79 | } |
| 80 | discoveryProgress.show(); |
| 81 | } else |
| 82 | if (a.equals(DictionaryService.DISCOVERY_FINISHED)) { |
| 83 | Log.d(TAG, "dictionary discovery finished"); |
| 84 | if (discoveryProgress != null) { |
| 85 | discoveryProgress.dismiss(); |
| 86 | discoveryProgress = null; |
| 87 | } |
| 88 | } else |
| 89 | if (a.equals(DictionaryService.OPEN_STARTED)) { |
| 90 | Log.d(TAG, "dictionary open started"); |
| 91 | int count = intent.getIntExtra("count", 0); |
| 92 | if (openProgress == null) { |
| 93 | openProgress = new OpeningProgressDialog(context); |
| 94 | } |
| 95 | openProgress.setMax(count); |
| 96 | openProgress.show(); |
| 97 | } else |
| 98 | if (a.equals(DictionaryService.DICT_OPEN_FAILED) || |
| 99 | a.equals(DictionaryService.OPENED_DICT)) { |
| 100 | if (openProgress != null) { |
| 101 | openProgress.incrementProgressBy(1); |
| 102 | } |
| 103 | } else |
| 104 | if (a.equals(DictionaryService.OPEN_FINISHED)) { |
| 105 | if (openProgress != null) { |
| 106 | openProgress.dismiss(); |
| 107 | openProgress = null; |
| 108 | } |
| 109 | onDictionaryOpenFinished(); |
| 110 | } |
| 111 | } |
| 112 | }; |
| 113 | registerReceiver(broadcastReceiver, intentFilter); |
| 114 | } |
| 115 | |
| 116 | protected void onCreate(android.os.Bundle savedInstanceState) { |
| 117 | super.onCreate(savedInstanceState); |
| 118 | getWindow().requestFeature(Window.FEATURE_LEFT_ICON); |
| 119 | registerProgressReceiver(); |
| 120 | initUI(); |
| 121 | getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, R.drawable.aarddict); |
| 122 | Intent dictServiceIntent = new Intent(this, DictionaryService.class); |
| 123 | startService(dictServiceIntent); |
| 124 | bindService(dictServiceIntent, connection, 0); |
| 125 | }; |
| 126 | |
| 127 | abstract void initUI(); |
| 128 | |
| 129 | void onDictionaryServiceConnected() { |
| 130 | if (dictionaryService.getDictionaries().isEmpty()) { |
| 131 | new Thread(new Runnable() { |
| 132 | public void run() { |
| 133 | dictionaryService.openDictionaries(); |
| 134 | Log.d(TAG, |
| 135 | String.format("After openDictionaries() we have %d dictionaries", |
| 136 | dictionaryService.getDictionaries().size())); |
| 137 | if (dictionaryService.getDictionaries().isEmpty()) { |
| 138 | runOnUiThread(new Runnable() { |
| 139 | public void run() { |
| 140 | Intent next = new Intent(); |
| 141 | next.setAction(ACTION_NO_DICTIONARIES); |
| 142 | next.setClass(getApplicationContext(), DictionariesActivity.class); |
| 143 | Log.d(TAG, "No dictionaries, starting Dictionaries activity"); |
| 144 | startActivity(next); |
| 145 | finish(); |
| 146 | } |
| 147 | }); |
| 148 | } else { |
| 149 | runOnUiThread(new Runnable() { |
| 150 | public void run() { |
| 151 | onDictionaryServiceReady(); |
| 152 | } |
| 153 | }); |
| 154 | } |
| 155 | } |
| 156 | }).start(); |
| 157 | } |
| 158 | else { |
| 159 | onDictionaryServiceReady(); |
| 160 | } |
| 161 | }; |
| 162 | |
| 163 | abstract void onDictionaryServiceReady(); |
| 164 | void onDictionaryOpenFinished(){}; |
| 165 | |
| 166 | protected void onDestroy() { |
| 167 | super.onDestroy(); |
| 168 | unregisterReceiver(broadcastReceiver); |
| 169 | unbindService(connection); |
| 170 | } |
| 171 | } |