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Viewing changes to src/org/waxworlds/edam/exportcontacts/Doit.java

  • Committer: edam
  • Date: 2011-06-11 08:22:04 UTC
  • Revision ID: edam@waxworlds.org-20110611082204-u2v1ri3a8iayq9b4
- added ContactReader interface
- added ContactsContactReader class to read old-style android.Contacts data
- updated FileChooser from import contacts app
- updated TODO
- added Doit activity
- added Exporter
- added VcardExporter that writes vCards

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src/org/waxworlds/edam/exportcontacts/Doit.java
 
1
/*
 
2
 * Doit.java
 
3
 *
 
4
 * Copyright (C) 2011 Tim Marston <edam@waxworlds.org>
 
5
 *
 
6
 * This file is part of the Export Contacts program (hereafter referred
 
7
 * to as "this program"). For more information, see
 
8
 * http://www.waxworlds.org/edam/software/android/export-contacts
 
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
 
 
24
package org.waxworlds.edam.exportcontacts;
 
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
}