summaryrefslogtreecommitdiffstats
path: root/apps/plugins/properties.c
blob: 17698e866ce009b0ca44890b01133edb6e16d9d3 (plain)
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
327
328
329
330
331
332
333
334
335
336
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2006 Peter D'Hoye
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "plugin.h"

PLUGIN_HEADER

static struct plugin_api* rb;

MEM_FUNCTION_WRAPPERS(rb);

bool its_a_dir = false;

char str_filename[MAX_PATH];
char str_dirname[MAX_PATH];
char str_size[64];
char str_dircount[64];
char str_filecount[64];
char str_date[64];
char str_time[64];
char str_title[MAX_PATH];
char str_artist[MAX_PATH];
char str_album[MAX_PATH];

int num_properties;

static char* filesize2string(long long size, char* pstr, int len)
{
    /* margin set at 10K boundary: 10239 B +1 => 10 KB
       routine below is 200 bytes smaller than cascaded if/else :)
       not using build-in function because of huge values (long long) */
    const char* kgb[4] = { "B", "KB", "MB", "GB" };
    int i = 0;
    while(true)
    {
        if((size < 10240) || (i > 2))
        {
            /* depends on the order in the above array */
            rb->snprintf(pstr, len, "%ld %s", (long)size, kgb[i]);
            break;
        }
        size >>= 10; /* div by 1024 */
        i++;
    }
    return pstr;
}

static bool file_properties(char* selected_file)
{
    bool found = false;
    char tstr[MAX_PATH];
    DIR* dir;
    struct dirent* entry;
    struct mp3entry id3;
    int fd;

    char* ptr = rb->strrchr(selected_file, '/') + 1;
    int dirlen = (ptr - selected_file);
    rb->strncpy(tstr, selected_file, dirlen);
    tstr[dirlen] = 0;

    dir = rb->opendir(tstr);
    if (dir)
    {
        while(0 != (entry = rb->readdir(dir)))
        {
            if(!rb->strcmp(entry->d_name, selected_file+dirlen))
            {
                rb->snprintf(str_dirname, sizeof str_dirname, "Path: %s",
                             tstr);
                rb->snprintf(str_filename, sizeof str_filename, "Name: %s",
                             selected_file+dirlen);
                rb->snprintf(str_size, sizeof str_size, "Size: %s",
                             filesize2string(entry->size, tstr, sizeof tstr));
                rb->snprintf(str_date, sizeof str_date, "Date: %04d/%02d/%02d",
                    ((entry->wrtdate >> 9 ) & 0x7F) + 1980, /* year    */
                    ((entry->wrtdate >> 5 ) & 0x0F),        /* month   */
                    ((entry->wrtdate      ) & 0x1F));       /* day     */
                rb->snprintf(str_time, sizeof str_time, "Time: %02d:%02d",
                    ((entry->wrttime >> 11) & 0x1F),        /* hour    */
                    ((entry->wrttime >> 5 ) & 0x3F));       /* minutes */

                num_properties = 5;

                fd = rb->open(selected_file, O_RDONLY);
                if (fd >= 0)
                {
                    if (rb->get_metadata(&id3, fd, selected_file, false))
                    {
                        rb->snprintf(str_artist, sizeof str_artist,
                                     "Artist: %s", id3.artist ? id3.artist : "");
                        rb->snprintf(str_title, sizeof str_title,
                                     "Title: %s", id3.title ? id3.title : "");
                        rb->snprintf(str_album, sizeof str_album,
                                     "Album: %s", id3.album ? id3.album : "");
                        num_properties = 8;
                    }
                    rb->close(fd);
                }

                found = true;
                break;
            }
        }
        rb->closedir(dir);
    }
    return found;
}

typedef struct {
    char dirname[MAX_PATH];
    int len;
    unsigned int dc;
    unsigned int fc;
    long long bc;
    char tstr[64];
    char tstr2[64];
} DPS;

static bool _dir_properties(DPS* dps)
{
    /* recursively scan directories in search of files
       and informs the user of the progress */
    bool result;
    int dirlen;
    DIR* dir;
    struct dirent* entry;

    result = true;
    dirlen = rb->strlen(dps->dirname);
    dir = rb->opendir(dps->dirname);
    if (!dir)
        return false; /* open error */

    /* walk through the directory content */
    while(result && (0 != (entry = rb->readdir(dir))))
    {
        /* append name to current directory */
        rb->snprintf(dps->dirname+dirlen, dps->len-dirlen, "/%s",
                     entry->d_name);

        if (entry->attribute & ATTR_DIRECTORY)
        {   
            if (!rb->strcmp((char *)entry->d_name, ".") ||
                !rb->strcmp((char *)entry->d_name, ".."))
                continue; /* skip these */

            dps->dc++; /* new directory */
            rb->lcd_clear_display();
            rb->lcd_puts(0,0,"SCANNING...");
            rb->lcd_puts(0,1,dps->dirname);
            rb->lcd_puts(0,2,entry->d_name);
            rb->snprintf(dps->tstr, 64, "Directories: %d", dps->dc);
            rb->lcd_puts(0,3,dps->tstr);
            rb->snprintf(dps->tstr, 64, "Files: %d", dps->fc);
            rb->lcd_puts(0,4,dps->tstr);
            rb->snprintf(dps->tstr, 64, "Size: %s",
                filesize2string(dps->bc, dps->tstr2, 64));
            rb->lcd_puts(0,5,dps->tstr);
            rb->lcd_update();

             /* recursion */
            result = _dir_properties(dps);
        }
        else
        {   
            dps->fc++; /* new file */
            dps->bc += entry->size;
        }
        if(ACTION_STD_CANCEL == rb->get_action(CONTEXT_STD,TIMEOUT_NOBLOCK))
            result = false;
        rb->yield();
    }
    rb->closedir(dir);
    return result;
}

static bool dir_properties(char* selected_file)
{
    DPS dps;
    char tstr[64];
    rb->strncpy(dps.dirname, selected_file, MAX_PATH);
    dps.len = MAX_PATH;
    dps.dc = 0;
    dps.fc = 0;
    dps.bc = 0;
    if(false == _dir_properties(&dps))
        return false;

    rb->snprintf(str_dirname, MAX_PATH, selected_file);
    rb->snprintf(str_dircount, sizeof str_dircount, "Subdirs: %d", dps.dc);
    rb->snprintf(str_filecount, sizeof str_filecount, "Files: %d", dps.fc);
    rb->snprintf(str_size, sizeof str_size, "Size: %s",
                 filesize2string(dps.bc, tstr, sizeof tstr));
    num_properties = 4;
    return true;
}

char * get_props(int selected_item, void* data, char *buffer)
{
    (void)data;

    switch(selected_item)
    {
        case 0:
            rb->strcpy(buffer, str_dirname);
            break;
        case 1:
            rb->strcpy(buffer, its_a_dir ? str_dircount : str_filename);
            break;
        case 2:
            rb->strcpy(buffer, its_a_dir ? str_filecount : str_size);
            break;
        case 3:
            rb->strcpy(buffer, its_a_dir ? str_size : str_date);
            break;
        case 4:
            rb->strcpy(buffer, its_a_dir ? "" : str_time);
            break;
        case 5:
            rb->strcpy(buffer, its_a_dir ? "" : str_artist);
            break;
        case 6:
            rb->strcpy(buffer, its_a_dir ? "" : str_title);
            break;
        case 7:
            rb->strcpy(buffer, its_a_dir ? "" : str_album);
            break;
        default:
            rb->strcpy(buffer, "ERROR");
            break;
    }
    return buffer;
}

enum plugin_status plugin_start(struct plugin_api* api, void* file)
{
    rb = api;
    struct gui_synclist properties_lists;
    int button;
    bool prev_show_statusbar;
    bool quit = false;

    /* determine if it's a file or a directory */
    bool found = false;
    DIR* dir;
    struct dirent* entry;
    char* ptr = rb->strrchr((char*)file, '/') + 1;
    int dirlen = (ptr - (char*)file);
    rb->strncpy(str_dirname, (char*)file, dirlen);
    str_dirname[dirlen] = 0;

    dir = rb->opendir(str_dirname);
    if (dir)
    {
        while(0 != (entry = rb->readdir(dir)))
        {
            if(!rb->strcmp(entry->d_name, file+dirlen))
            {
                its_a_dir = entry->attribute & ATTR_DIRECTORY ? true : false;
                found = true;
                break;
            }
        }
        rb->closedir(dir);
    }
    /* now we know if it's a file or a dir or maybe something failed */
    
    if(!found)
    {
        /* weird: we couldn't find the entry. This Should Never Happen (TM) */
        rb->splash(0, "File/Dir not found: %s", (char*)file);
        rb->action_userabort(TIMEOUT_BLOCK);
        return PLUGIN_OK;
    }

    /* get the info depending on its_a_dir */
    if(!(its_a_dir ? dir_properties((char*)file):file_properties((char*)file)))
    {
        /* something went wrong (to do: tell user what it was (nesting,...) */
        rb->splash(0, "Failed to gather information");
        rb->action_userabort(TIMEOUT_BLOCK);
        return PLUGIN_OK;
    }

    /* prepare the list for the user */
    prev_show_statusbar = rb->global_settings->statusbar;
    rb->global_settings->statusbar = false;

    rb->gui_synclist_init(&properties_lists, &get_props, file, false, 1);
    rb->gui_synclist_set_title(&properties_lists, its_a_dir ?
                                                  "Directory properties" :
                                                  "File properties", NOICON);
    rb->gui_synclist_set_icon_callback(&properties_lists, NULL);
    rb->gui_synclist_set_nb_items(&properties_lists, num_properties);
    rb->gui_synclist_limit_scroll(&properties_lists, true);
    rb->gui_synclist_select_item(&properties_lists, 0);
    rb->gui_synclist_draw(&properties_lists);

    while(!quit)
    {
        button = rb->get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
        if (rb->gui_synclist_do_button(&properties_lists,button,LIST_WRAP_ON))
            continue;
        switch(button)
        {
            case ACTION_STD_CANCEL:
                quit = true;
                break;
            default:
                if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
                {
                    rb->global_settings->statusbar = prev_show_statusbar;
                    return PLUGIN_USB_CONNECTED;
                }
        }
    }
    rb->global_settings->statusbar = prev_show_statusbar;

    return PLUGIN_OK;
}