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* Use the correct limit when looping
[vlc] / modules / gui / macosx / playlistinfo.m
1 /*****************************************************************************
2  r playlistinfo.m: MacOS X interface module
3  *****************************************************************************
4  * Copyright (C) 2002-2006 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Benjamin Pracht <bigben at videolan dot org>
8  *          Felix Kühne <fkuehne at videolan dot org>
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 2 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, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28
29 #include "intf.h"
30 #include "playlistinfo.h"
31 #include "playlist.h"
32
33 /*****************************************************************************
34  * VLCPlaylistInfo Implementation
35  *****************************************************************************/
36
37 @implementation VLCInfo
38
39 - (id)init
40 {
41     self = [super init];
42
43     if( self != nil )
44     {
45         p_item = NULL;
46         o_statUpdateTimer = nil;
47     }
48     return( self );
49 }
50
51 - (void)awakeFromNib
52 {
53     [o_info_window setExcludedFromWindowsMenu: TRUE];
54
55     [o_info_window setTitle: _NS("Information")];
56     [o_uri_lbl setStringValue: _NS("URI")];
57     [o_title_lbl setStringValue: _NS("Title")];
58     [o_author_lbl setStringValue: _NS("Author")];
59     [o_btn_ok setTitle: _NS("OK")];
60     [o_btn_cancel setTitle: _NS("Cancel")];
61     
62     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
63     [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Advanced Information")];
64     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
65     [o_tab_view selectTabViewItemAtIndex: 0];
66
67     /* constants defined in vlc_meta.h */
68     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
69     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
70     [o_collection_lbl setStringValue: _NS(VLC_META_COLLECTION)];
71     [o_seqNum_lbl setStringValue: _NS(VLC_META_SEQ_NUM)];
72     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
73     [o_rating_lbl setStringValue: _NS(VLC_META_RATING)];
74     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
75     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
76     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
77     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
78     
79     /* statistics */
80     [o_input_box setTitle: _NS("Input")];
81     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
82     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
83     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
84     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
85     
86     [o_video_box setTitle: _NS("Video")];
87     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
88     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
89     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
90     
91     [o_sout_box setTitle: _NS("Streaming")];
92     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
93     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
94     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
95     
96     [o_audio_box setTitle: _NS("Audio")];
97     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
98     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
99     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
100 }
101
102 - (void)dealloc
103 {
104     /* make that it is released in any case */
105     if ( o_statUpdateTimer )
106         [o_statUpdateTimer release];
107     [super dealloc];
108 }
109
110 - (IBAction)togglePlaylistInfoPanel:(id)sender
111 {
112     if( [o_info_window isVisible] )
113     {
114         [self windowShouldClose: nil];
115         [o_info_window orderOut: sender];
116     }
117     else
118     {
119         p_item = [[[VLCMain sharedInstance] getPlaylist] selectedPlaylistItem];
120         [self initPanel:sender];
121     }
122 }
123
124 - (IBAction)toggleInfoPanel:(id)sender
125 {
126     if( [o_info_window isVisible] )
127     {
128         [self windowShouldClose: nil];
129         [o_info_window orderOut: sender];
130     }
131     else
132     {
133         intf_thread_t * p_intf = VLCIntf;
134         playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
135                                           FIND_ANYWHERE );
136
137         if( p_playlist )
138         {
139             p_item = p_playlist->status.p_item;
140             vlc_object_release( p_playlist );
141         }
142
143         BOOL b_stats = config_GetInt(VLCIntf, "stats");
144         if( b_stats )
145         {
146             o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1 \
147                 target: self selector: @selector(updateStatistics:) \
148                 userInfo: nil repeats: YES]; 
149             [o_statUpdateTimer fire];
150             [o_statUpdateTimer retain];
151         }
152
153         [self initPanel:sender];
154     }
155 }
156
157 - (void)initPanel:(id)sender
158 {
159     /* check whether our item is valid, because we would crash if not */
160     if(! [self isItemInPlaylist: p_item] ) return;
161
162     char *psz_temp;
163     vlc_mutex_lock( &p_item->input.lock );
164
165     /* fill uri / title / author info */
166     if( p_item->input.psz_uri )
167     {
168         [o_uri_txt setStringValue:
169             ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
170             [NSString stringWithCString:p_item->input.psz_uri] :
171             [NSString stringWithUTF8String:p_item->input.psz_uri]];
172     }
173
174     if( p_item->input.psz_name )
175     {
176         [o_title_txt setStringValue:
177             ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
178             [NSString stringWithCString:p_item->input.psz_name] :
179             [NSString stringWithUTF8String:p_item->input.psz_name]];
180     }
181     vlc_mutex_unlock( &p_item->input.lock );
182
183     psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
184
185     if( psz_temp )
186     {
187         [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
188         free( psz_temp );
189     }
190
191     /* fill the other fields */
192     [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
193     [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
194     [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
195     [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
196     [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
197     [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
198     [self setMeta: VLC_META_DATE forLabel: o_date_txt];
199     [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
200     [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
201     [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
202
203     /* reload the advanced table */
204     [[VLCInfoTreeItem rootItem] refresh];
205     [o_outline_view reloadData];
206
207     BOOL b_stats = config_GetInt(VLCIntf, "stats");
208     if(! b_stats )
209     {
210         if( [o_tab_view numberOfTabViewItems] > 2 )
211             [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
212     }
213     else
214     {
215         [self updateStatistics: nil];
216     }
217     [o_info_window makeKeyAndOrderFront: sender];
218 }
219
220 - (void)setMeta: (char *)meta forLabel: (id)theItem
221 {
222     char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
223         _(VLC_META_INFO_CAT), _(meta) );
224     if( psz_meta != NULL && *psz_meta)
225         [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
226     else
227         [theItem setStringValue: @"-"];
228 }
229
230 - (void)updateStatistics:(NSTimer*)theTimer
231 {
232     if( [self isItemInPlaylist: p_item] )
233     {
234         /* we can only do that if there's a valid input around */
235
236         vlc_mutex_lock( &p_item->input.p_stats->lock );
237
238         /* input */
239         [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
240             @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
241         [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
242             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
243         [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
244             @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
245         [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
246             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
247
248         /* Video */
249         [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
250             p_item->input.p_stats->i_decoded_video]];
251         [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
252             p_item->input.p_stats->i_displayed_pictures]];
253         [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
254             p_item->input.p_stats->i_lost_pictures]];
255
256         /* Sout */
257         [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
258             p_item->input.p_stats->i_sent_packets]];
259         [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
260             (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
261         [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
262             @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
263
264         /* Audio */
265         [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
266             p_item->input.p_stats->i_decoded_audio]];
267         [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
268             p_item->input.p_stats->i_played_abuffers]];
269         [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
270             p_item->input.p_stats->i_lost_abuffers]];
271
272         vlc_mutex_unlock( &p_item->input.p_stats->lock );
273     }
274 }
275
276 - (IBAction)infoCancel:(id)sender
277 {
278     [self windowShouldClose: nil];
279     [o_info_window orderOut: self];
280 }
281
282
283 - (IBAction)infoOk:(id)sender
284 {
285     intf_thread_t * p_intf = VLCIntf;
286     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
287                                           FIND_ANYWHERE );
288     vlc_value_t val;
289
290     if( [self isItemInPlaylist: p_item] )
291     {
292         vlc_mutex_lock( &p_item->input.lock );
293
294         p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
295         p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
296         vlc_mutex_unlock( &p_item->input.lock );
297         vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
298         
299         val.b_bool = VLC_TRUE;
300         var_Set( p_playlist, "intf-change", val );
301     }
302     vlc_object_release( p_playlist );
303     [self windowShouldClose: nil];
304     [o_info_window orderOut: self];
305 }
306
307 - (playlist_item_t *)getItem
308 {
309     return p_item;
310 }
311
312 - (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
313 {
314     intf_thread_t * p_intf = VLCIntf;
315     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
316                                           FIND_ANYWHERE );
317     int i;
318
319     if( p_playlist == NULL )
320     {
321         return NO;
322     }
323
324     for( i = 0 ; i < p_playlist->i_all_size ; i++ )
325     {
326         if( p_playlist->pp_all_items[i] == p_local_item )
327         {
328             vlc_object_release( p_playlist );
329             return YES;
330         }
331     }
332     vlc_object_release( p_playlist );
333     return NO;
334 }
335
336 - (BOOL)windowShouldClose:(id)sender
337 {
338     if( o_statUpdateTimer )
339     {
340         [o_statUpdateTimer invalidate];
341         [o_statUpdateTimer release];
342     }
343     return YES;
344 }
345
346 @end
347
348 @implementation VLCInfo (NSMenuValidation)
349
350 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
351 {
352     BOOL bEnabled = TRUE;
353
354     intf_thread_t * p_intf = VLCIntf;
355     input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
356                                                        FIND_ANYWHERE );
357
358     if( [[o_mi title] isEqualToString: _NS("Information")] )
359     {
360         if( p_input == NULL )
361         {
362             bEnabled = FALSE;
363         }
364     }
365     if( p_input ) vlc_object_release( p_input );
366
367     return( bEnabled );
368 }
369
370 @end
371
372 @implementation VLCInfo (NSTableDataSource)
373
374 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
375 {
376     return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
377 }
378
379 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
380     return ([item numberOfChildren] > 0);
381 }
382
383 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
384 {
385     return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
386 }
387
388 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
389 {
390     if ([[tableColumn identifier] isEqualToString:@"0"])
391     {
392         return (item == nil) ? @"" : (id)[item getName];
393     }
394     else
395     {
396         return (item == nil) ? @"" : (id)[item getValue];
397     }
398 }
399
400
401 @end
402
403 @implementation VLCInfoTreeItem
404
405 static VLCInfoTreeItem *o_root_item = nil;
406
407 #define IsALeafNode ((id)-1)
408
409 - (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
410 {
411     self = [super init];
412
413     if( self != nil )
414     {
415         o_name = [o_item_name copy];
416         o_value = [o_item_value copy];
417         i_object_id = i_id;
418         o_parent = o_parent_item;
419         if( [[VLCMain sharedInstance] getInfo] != nil )
420             p_item = [[[VLCMain sharedInstance] getInfo] getItem];
421         else
422             p_item = NULL;
423     }
424     return( self );
425 }
426
427 + (VLCInfoTreeItem *)rootItem {
428     if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
429     return o_root_item;
430 }
431
432 - (void)dealloc
433 {
434     if( o_children != IsALeafNode ) [o_children release];
435     [o_name release];
436     [super dealloc];
437 }
438
439 /* Creates and returns the array of children
440  * Loads children incrementally */
441 - (NSArray *)children
442 {
443     if (o_children == NULL)
444     {
445         int i;
446
447         if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
448         {
449             if( self == o_root_item )
450             {
451                 vlc_mutex_lock( &p_item->input.lock );
452                 o_children = [[NSMutableArray alloc] initWithCapacity:
453                                                 p_item->input.i_categories];
454                 for (i = 0 ; i < p_item->input.i_categories ; i++)
455                 {
456                     [o_children addObject:[[VLCInfoTreeItem alloc]
457                         initWithName: [NSString stringWithUTF8String:
458                             p_item->input.pp_categories[i]->psz_name]
459                         value: @""
460                         ID: i
461                         parent: self]];
462                 }
463                 vlc_mutex_unlock( &p_item->input.lock );
464             }
465             else if( o_parent == o_root_item )
466             {
467                 vlc_mutex_lock( &p_item->input.lock );
468                 o_children = [[NSMutableArray alloc] initWithCapacity:
469                     p_item->input.pp_categories[i_object_id]->i_infos];
470
471                 for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
472                 {
473                     [o_children addObject:[[VLCInfoTreeItem alloc]
474                     initWithName: [NSString stringWithUTF8String:
475                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
476                         value: [NSString stringWithUTF8String:
477                             p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
478                         ID: i
479                         parent: self]];
480                 }
481                 vlc_mutex_unlock( &p_item->input.lock );
482             }
483             else
484             {
485                 o_children = IsALeafNode;
486             }
487         }
488     }
489     return o_children;
490 }
491
492 - (NSString *)getName
493 {
494     return o_name;
495 }
496
497 - (NSString *)getValue
498 {
499     return o_value;
500 }
501
502 - (VLCInfoTreeItem *)childAtIndex:(int)i_index {
503     return [[self children] objectAtIndex:i_index];
504 }
505
506 - (int)numberOfChildren {
507     id i_tmp = [self children];
508     return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
509 }
510
511 /*- (int)selectedPlaylistItem
512 {
513     return i_item;
514 }
515 */
516 - (void)refresh
517 {
518     p_item = [[[VLCMain sharedInstance] getInfo] getItem];
519     if( o_children != NULL )
520     {
521         [o_children release];
522         o_children = NULL;
523     }
524 }
525
526 @end
527