1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
|
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.libreoffice.impressremote.fragment;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;
import android.view.ContextMenu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import com.actionbarsherlock.app.SherlockListFragment;
import com.actionbarsherlock.view.MenuItem;
import org.libreoffice.impressremote.adapter.ComputersAdapter;
import org.libreoffice.impressremote.util.Intents;
import org.libreoffice.impressremote.R;
import org.libreoffice.impressremote.communication.CommunicationService;
import org.libreoffice.impressremote.communication.Server;
public class ComputersFragment extends SherlockListFragment implements ServiceConnection {
public static enum Type {
WIFI, BLUETOOTH
}
private Type mType;
private CommunicationService mCommunicationService;
private BroadcastReceiver mIntentsReceiver;
public static ComputersFragment newInstance(Type aType) {
ComputersFragment aFragment = new ComputersFragment();
aFragment.setArguments(buildArguments(aType));
return aFragment;
}
private static Bundle buildArguments(Type aType) {
Bundle aArguments = new Bundle();
aArguments.putSerializable("TYPE", aType);
return aArguments;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mType = (Type) getArguments().getSerializable("TYPE");
setUpActionBar();
}
private void setUpActionBar() {
setHasOptionsMenu(true);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
bindService();
}
private void bindService() {
Intent aServiceIntent = new Intent(getActivity(), CommunicationService.class);
getActivity().bindService(aServiceIntent, this, Context.BIND_AUTO_CREATE);
}
@Override
public void onServiceConnected(ComponentName aComponentName, IBinder aBinder) {
CommunicationService.CBinder aServiceBinder = (CommunicationService.CBinder) aBinder;
mCommunicationService = aServiceBinder.getService();
mCommunicationService.startSearch();
}
@Override
public void onDestroy() {
super.onDestroy();
unbindService();
}
private void unbindService() {
if (!isServiceBound()) {
return;
}
getActivity().unbindService(this);
}
private boolean isServiceBound() {
return mCommunicationService != null;
}
@Override
public void onServiceDisconnected(ComponentName aComponentName) {
mCommunicationService = null;
}
@Override
public void onResume() {
super.onResume();
loadComputers();
registerIntentsReceiver();
}
private void registerIntentsReceiver() {
mIntentsReceiver = new IntentsReceiver(this);
IntentFilter aIntentFilter = buildIntentsReceiverFilter();
getBroadcastManager().registerReceiver(mIntentsReceiver, aIntentFilter);
}
private static final class IntentsReceiver extends BroadcastReceiver {
private final ComputersFragment mComputersFragment;
public IntentsReceiver(ComputersFragment aComputersFragment) {
mComputersFragment = aComputersFragment;
}
@Override
public void onReceive(Context aContext, Intent aIntent) {
if (Intents.Actions.SERVERS_LIST_CHANGED.equals(aIntent.getAction())) {
mComputersFragment.loadComputers();
}
}
}
private IntentFilter buildIntentsReceiverFilter() {
IntentFilter aIntentFilter = new IntentFilter();
aIntentFilter.addAction(Intents.Actions.SERVERS_LIST_CHANGED);
return aIntentFilter;
}
private LocalBroadcastManager getBroadcastManager() {
Context aContext = getActivity().getApplicationContext();
return LocalBroadcastManager.getInstance(aContext);
}
private void loadComputers() {
if (!isServiceBound()) {
return;
}
if (getComputers().isEmpty()) {
return;
}
if (!isComputersAdapterExist()) {
setUpComputersAdapter();
}
getComputersAdapter().clear();
getComputersAdapter().add(getComputers());
}
private boolean isComputersAdapterExist() {
return getComputersAdapter() != null;
}
private ComputersAdapter getComputersAdapter() {
return (ComputersAdapter) getListAdapter();
}
private void setUpComputersAdapter() {
setListAdapter(new ComputersAdapter(getActivity()));
}
private List<Server> getComputers() {
List<Server> aComputers = new ArrayList<Server>();
for (Server aServer : mCommunicationService.getServers()) {
if (isComputerSupportsRequiredType(aServer)) {
aComputers.add(aServer);
}
}
return aComputers;
}
private boolean isComputerSupportsRequiredType(Server aServer) {
switch (mType) {
case WIFI:
return aServer.getProtocol() == Server.Protocol.TCP;
case BLUETOOTH:
return aServer.getProtocol() == Server.Protocol.BLUETOOTH;
default:
return false;
}
}
@Override
public void onPause() {
super.onPause();
unregisterIntentsReceiver();
}
private void unregisterIntentsReceiver() {
try {
getBroadcastManager().unregisterReceiver(mIntentsReceiver);
} catch (IllegalArgumentException e) {
// Receiver not registered.
// Fixed in Honeycomb: Android’s issue #6191.
}
}
@Override
public void onListItemClick(ListView aListView, View aView, int aPosition, long aId) {
Server aComputer = getComputersAdapter().getItem(aPosition);
Intent aIntent = Intents.buildComputerConnectionIntent(getActivity(), aComputer);
startActivity(aIntent);
}
@Override
public void onStart() {
super.onStart();
setUpContextMenu();
}
private void setUpContextMenu() {
registerForContextMenu(getListView());
}
@Override
public void onCreateContextMenu(ContextMenu aMenu, View aView, ContextMenu.ContextMenuInfo aMenuInfo) {
super.onCreateContextMenu(aMenu, aView, aMenuInfo);
getActivity().getMenuInflater().inflate(R.menu.menu_context_computers, aMenu);
}
@Override
public boolean onContextItemSelected(android.view.MenuItem aMenuItem) {
int aComputerPosition = getListItemPosition(aMenuItem);
Server aComputer = getComputersAdapter().getItem(aComputerPosition);
removeComputer(aComputer);
return true;
}
private int getListItemPosition(android.view.MenuItem aMenuItem) {
AdapterView.AdapterContextMenuInfo aMenuItemInfo = (AdapterView.AdapterContextMenuInfo) aMenuItem.getMenuInfo();
return aMenuItemInfo.position;
}
private void removeComputer(Server aComputer) {
mCommunicationService.removeServer(aComputer);
Intent aIntent = Intents.buildServersListChangedIntent();
LocalBroadcastManager.getInstance(getActivity()).sendBroadcast(aIntent);
}
@Override
public boolean onOptionsItemSelected(MenuItem aMenuItem) {
switch (aMenuItem.getItemId()) {
case R.id.menu_add_computer:
callComputerCreationActivity();
return true;
default:
return super.onOptionsItemSelected(aMenuItem);
}
}
private void callComputerCreationActivity() {
Intent aIntent = Intents.buildComputerCreationIntent(getActivity());
startActivityForResult(aIntent, Intents.RequestCodes.CREATE_SERVER);
}
@Override
public void onActivityResult(int aRequestCode, int aResultCode, Intent aIntent) {
if (aRequestCode != Intents.RequestCodes.CREATE_SERVER) {
return;
}
if (aResultCode != Activity.RESULT_OK) {
return;
}
String aServerAddress = aIntent.getStringExtra(Intents.Extras.SERVER_ADDRESS);
String aServerName = aIntent.getStringExtra(Intents.Extras.SERVER_NAME);
addServer(aServerAddress, aServerName);
}
private void addServer(String aAddress, String aName) {
mCommunicationService.addServer(aAddress, aName);
Intent aIntent = Intents.buildServersListChangedIntent();
LocalBroadcastManager.getInstance(getActivity()).sendBroadcast(aIntent);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|