/android/export-contacts

To get this branch, use:
bzr branch http://bzr.ed.am/android/export-contacts
5 by edam
- added ContactReader interface
1
/*
2
 * Doit.java
3
 *
12 by edam
changed all the URLs to ed.am, including copyrights, package names and project
4
 * Copyright (C) 2011 Tim Marston <tim@ed.am>
5 by edam
- added ContactReader interface
5
 *
6
 * This file is part of the Export Contacts program (hereafter referred
7
 * to as "this program"). For more information, see
12 by edam
changed all the URLs to ed.am, including copyrights, package names and project
8
 * http://ed.am/dev/android/export-contacts
5 by edam
- added ContactReader interface
9
 *
10
 * This program is free software: you can redistribute it and/or modify
11
 * it under the terms of the GNU General Public License as published by
12
 * the Free Software Foundation, either version 3 of the License, or
13
 * (at your option) any later version.
14
 *
15
 * This program is distributed in the hope that it will be useful,
16
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 * GNU General Public License for more details.
19
 *
20
 * You should have received a copy of the GNU General Public License
21
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
 */
23
12 by edam
changed all the URLs to ed.am, including copyrights, package names and project
24
package am.ed.exportcontacts;
5 by edam
- added ContactReader interface
25
26
import android.app.AlertDialog;
27
import android.app.Dialog;
28
import android.content.DialogInterface;
29
import android.content.Intent;
30
import android.os.Bundle;
31
import android.os.Handler;
32
import android.os.Message;
33
import android.view.View;
34
import android.widget.Button;
35
import android.widget.ProgressBar;
36
import android.widget.TextView;
37
import android.widget.Toast;
38
39
public class Doit extends WizardActivity
40
{
41
	private final static int DIALOG_ERROR = 0;
42
	private final static int DIALOG_CONTINUEORABORT = 1;
43
44
	public final static int MESSAGE_ALLDONE = 0;
45
	public final static int MESSAGE_ABORT = 1;
46
	public final static int MESSAGE_ERROR = 2;
47
	public final static int MESSAGE_CONTINUEORABORT = 3;
48
	public final static int MESSAGE_SETPROGRESSMESSAGE = 4;
49
	public final static int MESSAGE_SETMAXPROGRESS = 5;
50
	public final static int MESSAGE_SETTMPPROGRESS = 6;
51
	public final static int MESSAGE_SETPROGRESS = 7;
52
	public final static int MESSAGE_CONTACTWRITTEN = 8;
53
	public final static int MESSAGE_CONTACTSKIPPED = 9;
54
55
	public final static int NEXT_BEGIN = 0;
56
	public final static int NEXT_CLOSE = 1;
57
58
	private boolean _started_progress;
59
	private int _max_progress;
60
	private int _tmp_progress;
61
	private int _progress;
62
	protected String _dialog_message;
63
	private int _next_action;
64
	private int _current_dialog_id;
65
66
	private int _count_writes;
67
	private int _count_skips;
68
69
	protected Exporter _exporter = null;
70
71
	public Handler _handler;
72
73
	public class DoitHandler extends Handler
74
	{
75
		@Override
76
		public void handleMessage( Message msg ) {
77
			switch( msg.what )
78
			{
79
			case MESSAGE_ALLDONE:
80
				( (TextView)findViewById( R.id.doit_alldone ) ).
81
					setVisibility( View.VISIBLE );
82
				( (Button)findViewById( R.id.back ) ).setEnabled( false );
83
				updateNext( NEXT_CLOSE );
84
				findViewById( R.id.doit_abort_disp ).setVisibility(
85
					View.GONE );
86
				break;
87
			case MESSAGE_ABORT:
88
				manualAbort();
89
				break;
90
			case MESSAGE_ERROR:
91
				_dialog_message = (String)msg.obj;
92
				showDialog( DIALOG_ERROR );
93
				break;
94
			case MESSAGE_CONTINUEORABORT:
95
				_dialog_message = (String)msg.obj;
96
				showDialog( DIALOG_CONTINUEORABORT );
97
				break;
98
			case MESSAGE_SETPROGRESSMESSAGE:
99
				( (TextView)findViewById( R.id.doit_percentage ) ).
100
					setText( (String)msg.obj );
101
				break;
102
			case MESSAGE_SETMAXPROGRESS:
103
				if( _max_progress > 0 ) {
104
					if( _tmp_progress == _max_progress - 1 )
105
						_tmp_progress = (Integer)msg.obj;
106
					if( _progress == _max_progress - 1 )
107
						_progress = (Integer)msg.obj;
108
				}
109
				_max_progress = (Integer)msg.obj;
110
				updateProgress();
111
				break;
112
			case MESSAGE_SETTMPPROGRESS:
113
				_tmp_progress = (Integer)msg.obj;
114
				updateProgress();
115
				break;
116
			case MESSAGE_SETPROGRESS:
117
				_started_progress = true;
118
				_progress = (Integer)msg.obj;
119
				updateProgress();
120
				break;
121
			case MESSAGE_CONTACTWRITTEN:
122
				_count_writes++;
123
				updateStats();
124
				break;
125
			case MESSAGE_CONTACTSKIPPED:
126
				_count_skips++;
127
				updateStats();
128
				break;
129
			default:
130
				super.handleMessage( msg );
131
			}
132
		}
133
	}
134
135
	@Override
136
	protected void onCreate(Bundle saved_instance_state)
137
	{
138
		setContentView( R.layout.doit );
139
		super.onCreate( saved_instance_state );
140
141
		// hide page 2
142
		( findViewById( R.id.doit_page_2 ) ).setVisibility( View.GONE );
143
144
		// set up abort button
145
		Button begin = (Button)findViewById( R.id.abort );
146
		begin.setOnClickListener( new View.OnClickListener() {
147
			public void onClick( View view ) {
148
				manualAbort();
149
			}
150
		} );
151
152
		_started_progress = false;
153
		_max_progress = 0;
154
		_tmp_progress = 0;
155
		_progress = 0;
156
		_handler = new DoitHandler();
157
158
		_count_writes = 0;
159
		_count_skips = 0;
160
161
		updateNext( NEXT_BEGIN );
162
163
		updateProgress();
164
		updateStats();
165
	}
166
167
	@Override
168
	protected void onPause()
169
	{
170
		super.onPause();
171
172
		// saving the state of an export sounds complicated! Lets just abort!
173
		if( _next_action != NEXT_CLOSE )
174
			manualAbort( true );
175
	}
176
177
	@Override
178
	protected Dialog onCreateDialog( int id )
179
	{
180
		switch( id )
181
		{
182
		case DIALOG_ERROR:
183
			return new AlertDialog.Builder( this )
184
				.setIcon( R.drawable.alert_dialog_icon )
185
				.setTitle( R.string.error_title )
186
				.setMessage( "" )
187
				.setPositiveButton( R.string.error_ok,
188
					new DialogInterface.OnClickListener() {
189
						public void onClick( DialogInterface dialog,
190
							int whichButton )
191
						{
192
							if( Doit.this != null )
193
								Doit.this._exporter.wake();
194
						}
195
					} )
196
				.setOnCancelListener( _dialog_on_cancel_listener )
197
				.create();
198
		case DIALOG_CONTINUEORABORT:
199
			return new AlertDialog.Builder( this )
200
				.setIcon( R.drawable.alert_dialog_icon )
201
				.setTitle( R.string.error_title )
202
				.setMessage( "" )
203
				.setPositiveButton( R.string.error_continue,
204
					new DialogInterface.OnClickListener() {
205
						public void onClick( DialogInterface dialog,
206
							int which_button )
207
						{
208
							if( Doit.this != null )
209
								Doit.this._exporter.wake(
210
									Exporter.RESPONSE_POSITIVE );
211
						}
212
					} )
213
				.setNegativeButton( R.string.error_abort,
214
					new DialogInterface.OnClickListener() {
215
						public void onClick( DialogInterface dialog,
216
							int which_button )
217
						{
218
							if( Doit.this != null )
219
								Doit.this._exporter.wake(
220
									Exporter.RESPONSE_NEGATIVE );
221
						}
222
					} )
223
				.setOnCancelListener( _dialog_on_cancel_listener )
224
				.create();
225
		}
226
		return null;
227
	}
228
229
	@Override
230
	protected void onNext()
231
	{
232
		Button next = (Button)findViewById( R.id.next );
233
		next.setEnabled( false );
234
235
		switch( _next_action )
236
		{
237
		case NEXT_BEGIN:
238
			exportContacts();
239
			break;
240
		case NEXT_CLOSE:
241
			setResult( RESULT_OK );
242
			finish();
243
			break;
244
		}
245
	}
246
247
	private void manualAbort()
248
	{
249
		manualAbort( false );
250
	}
251
252
	private void manualAbort( boolean show_toaster_popup )
253
	{
254
		abortExport( show_toaster_popup );
255
256
		updateNext( NEXT_CLOSE );
257
		( (Button)findViewById( R.id.back ) ).setEnabled( true );
258
		findViewById( R.id.doit_abort_disp ).setVisibility( View.GONE );
259
		( (TextView)findViewById( R.id.doit_aborted ) ).
260
			setVisibility( View.VISIBLE );
261
		( (TextView)findViewById( R.id.doit_alldone ) ).
262
			setVisibility( View.GONE );
263
264
		// close any open dialogs
265
		try {
266
			dismissDialog( _current_dialog_id );
267
		}
268
		catch( Exception e ) {
269
			// ignore errors
270
		}
271
	}
272
273
	private void updateNext( int next_action )
274
	{
275
		Button next = (Button)findViewById( R.id.next );
276
		switch( next_action ) {
277
		case NEXT_BEGIN:	next.setText( R.string.doit_begin ); break;
278
		case NEXT_CLOSE:	next.setText( R.string.doit_close ); break;
279
		}
280
		next.setEnabled( true );
281
		_next_action = next_action;
282
	}
283
284
	private DialogInterface.OnCancelListener _dialog_on_cancel_listener =
285
		new DialogInterface.OnCancelListener()
286
	{
287
		public void onCancel( DialogInterface dialog ) {
288
			manualAbort();
289
		}
290
	};
291
292
293
	@Override
294
	protected void onActivityResult( int request_code, int result_code,
295
		Intent data )
296
	{
297
		// if we're cancelling, abort any export
298
		if( result_code == RESULT_CANCELED )
299
			abortExport( true );
300
	}
301
302
	@Override
303
	protected void onPrepareDialog( int id, Dialog dialog )
304
	{
305
		_current_dialog_id = id;
306
307
		switch( id )
308
		{
309
		case DIALOG_ERROR:	// fall through
310
		case DIALOG_CONTINUEORABORT:
311
			// set dialog message
312
			( (AlertDialog)dialog ).setMessage( _dialog_message );
313
			break;
314
		}
315
316
		super.onPrepareDialog( id, dialog );
317
	}
318
319
	private void exportContacts()
320
	{
321
		// switch interfaces
322
		( findViewById( R.id.doit_page_1 ) ).setVisibility( View.GONE );
323
		( findViewById( R.id.doit_page_2 ) ).setVisibility( View.VISIBLE );
324
325
		// disable back button
326
		( (Button)findViewById( R.id.back ) ).setEnabled( false );
327
328
		// create exporter
329
		_exporter = new VcardExporter( this );
330
331
		// start the service's thread
332
		_exporter.start();
333
	}
334
335
	private void updateProgress()
336
	{
337
		ProgressBar bar = (ProgressBar)findViewById( R.id.doit_progress );
338
		TextView out_of = (TextView)findViewById( R.id.doit_outof );
339
340
		if( _max_progress > 0 )
341
		{
342
			bar.setMax( _max_progress );
343
			bar.setSecondaryProgress( _tmp_progress );
344
345
			if( _started_progress )
346
			{
347
				( (TextView)findViewById( R.id.doit_percentage ) ).setText(
348
					(int)Math.round( 100 * _progress / _max_progress ) + "%" );
349
				out_of.setText( _progress + "/" + _max_progress );
350
				bar.setProgress( _progress );
351
			}
352
		}
353
	}
354
355
	private void updateStats()
356
	{
357
		( (TextView)findViewById( R.id.doit_writes ) ).setText(
358
			"" + _count_writes );
359
		( (TextView)findViewById( R.id.doit_skips ) ).setText(
360
			"" + _count_skips );
361
	}
362
363
	private void abortExport( boolean show_toaster_popup )
364
	{
365
		if( _exporter != null )
366
		{
367
			// try and flag worker thread - did we need to?
368
			if( _exporter.setAbort() )
369
			{
370
				// wait for worker thread to end
371
				while( true ) {
372
					try {
373
						_exporter.join();
374
						break;
375
					}
376
					catch( InterruptedException e ) {}
377
				}
378
379
				// notify the user
380
				if( show_toaster_popup )
381
					Toast.makeText( this, R.string.doit_exportaborted,
382
						Toast.LENGTH_LONG ).show();
383
			}
384
		}
385
386
		// destroy some stuff
387
		_exporter = null;
388
		_handler = null;
389
	}
390
}