summaryrefslogtreecommitdiffstats
path: root/apps/gui/skin_engine/skin_engine.c
blob: 1d73b3266baa534b2d8e9c4e1b90d621b5e22284 (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
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 by Stuart Martin
 * RTC config saving code (C) 2002 by hessu@hes.iki.fi
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <limits.h>
#include "inttypes.h"
#include "config.h"
#include "action.h"
#include "crc32.h"
#include "settings.h"
#include "wps.h"
#include "file.h"
#if CONFIG_TUNER
#include "radio.h"
#endif
#include "skin_engine.h"
#include "skin_buffer.h"
#include "statusbar-skinned.h"

#define FAILSAFENAME "rockbox_failsafe"

void skin_data_free_buflib_allocs(struct wps_data *wps_data);
char* wps_default_skin(enum screen_type screen);
char* default_radio_skin(enum screen_type screen);
static bool skins_initialised = false;

static char* get_skin_filename(char *buf, size_t buf_size,
                               enum skinnable_screens skin, enum screen_type screen);

struct wps_state     wps_state               = { .id3 = NULL };
static struct gui_skin_helper {
    int (*preproccess)(enum screen_type screen, struct wps_data *data);
    int (*postproccess)(enum screen_type screen, struct wps_data *data);
    char* (*default_skin)(enum screen_type screen);
    bool load_on_boot;
} skin_helpers[SKINNABLE_SCREENS_COUNT] = {
    [CUSTOM_STATUSBAR] = { sb_preproccess, sb_postproccess, sb_create_from_settings, true },
    [WPS] = { NULL, NULL, wps_default_skin, true },
#if CONFIG_TUNER
    [FM_SCREEN] = { NULL, NULL, default_radio_skin, false }
#endif
};

static struct gui_skin {
    char                filename[MAX_PATH];
    struct gui_wps      gui_wps;
    struct wps_data     data;
    char                *buffer_start;
    size_t              buffer_usage;
    bool                failsafe_loaded;

    bool                needs_full_update;
} skins[SKINNABLE_SCREENS_COUNT][NB_SCREENS];


static void gui_skin_reset(struct gui_skin *skin)
{
    skin->filename[0] = '\0';
    skin->buffer_start = NULL;
    skin->failsafe_loaded = false;
    skin->needs_full_update = true;
    skin->gui_wps.data = &skin->data;
    memset(skin->gui_wps.data, 0, sizeof(struct wps_data));
    skin->data.wps_loaded = false;
    skin->data.buflib_handle = -1;
    skin->data.tree = -1;
#ifdef HAVE_TOUCHSCREEN
    skin->data.touchregions = -1;
#endif
#ifdef HAVE_SKIN_VARIABLES
    skin->data.skinvars = -1;
#endif
#ifdef HAVE_LCD_BITMAP
    skin->data.font_ids = -1;
    skin->data.images = -1;
#endif
#ifdef HAVE_ALBUMART
    skin->data.albumart = -1;
    skin->data.playback_aa_slot = -1;
#endif
#ifdef HAVE_BACKDROP_IMAGE
    skin->gui_wps.data->backdrop_id = -1;
#endif
}

void gui_sync_skin_init(void)
{
    int j;
    for(j=0; j<SKINNABLE_SCREENS_COUNT; j++)
    {
        FOR_NB_SCREENS(i)
        {
            skin_data_free_buflib_allocs(&skins[j][i].data);
            gui_skin_reset(&skins[j][i]);
            skins[j][i].gui_wps.display = &screens[i];
        }
    }
}

void skin_unload_all(void)
{
    gui_sync_skin_init();
}

void settings_apply_skins(void)
{
    int i;
    char filename[MAX_PATH];
    static bool first_run = true;

#ifdef HAVE_LCD_BITMAP
    skin_backdrop_init();
#endif
    skins_initialised = true;

    /* Make sure each skin is loaded */
    for (i=0; i<SKINNABLE_SCREENS_COUNT; i++)
    {
        FOR_NB_SCREENS(j)
        {
            get_skin_filename(filename, MAX_PATH, i,j);

            if (!first_run)
            {
                skin_data_free_buflib_allocs(&skins[i][j].data);
#ifdef HAVE_BACKDROP_IMAGE
                if (skins[i][j].data.backdrop_id >= 0)
                    skin_backdrop_unload(skins[i][j].data.backdrop_id);
#endif
            }
            gui_skin_reset(&skins[i][j]);
            skins[i][j].gui_wps.display = &screens[j];
            if (skin_helpers[i].load_on_boot)
                skin_get_gwps(i, j);
        }
    }
    first_run = false;
    viewportmanager_theme_changed(THEME_STATUSBAR);
#ifdef HAVE_BACKDROP_IMAGE
    FOR_NB_SCREENS(i)
        skin_backdrop_show(sb_get_backdrop(i));
#endif
}

void skin_load(enum skinnable_screens skin, enum screen_type screen,
               const char *buf, bool isfile)
{
    bool loaded = false;

    if (skin_helpers[skin].preproccess)
        skin_helpers[skin].preproccess(screen, &skins[skin][screen].data);

    if (buf && *buf)
        loaded = skin_data_load(screen, &skins[skin][screen].data, buf, isfile);
    if (loaded)
        strcpy(skins[skin][screen].filename, buf);

    if (!loaded && skin_helpers[skin].default_skin)
    {
        loaded = skin_data_load(screen, &skins[skin][screen].data,
                                skin_helpers[skin].default_skin(screen), false);
        skins[skin][screen].failsafe_loaded = loaded;
    }

    skins[skin][screen].needs_full_update = true;
    if (skin_helpers[skin].postproccess)
        skin_helpers[skin].postproccess(screen, &skins[skin][screen].data);
#ifdef HAVE_BACKDROP_IMAGE
    if (loaded)
        skin_backdrops_preload();
#endif
}

static char* get_skin_filename(char *buf, size_t buf_size,
                                enum skinnable_screens skin, enum screen_type screen)
{
    (void)screen;
    char *setting = NULL, *ext = NULL;
    switch (skin)
    {
        case CUSTOM_STATUSBAR:
#ifdef HAVE_LCD_BITMAP
#if defined(HAVE_REMOTE_LCD) && NB_SCREENS > 1
            if (screen == SCREEN_REMOTE)
            {
                setting = global_settings.rsbs_file;
                ext = "rsbs";
            }
            else
#endif
            {
                setting = global_settings.sbs_file;
                ext = "sbs";
            }
#endif
            break;
        case WPS:
#if defined(HAVE_REMOTE_LCD) && NB_SCREENS > 1
            if (screen == SCREEN_REMOTE)
            {
                setting = global_settings.rwps_file;
                ext = "rwps";
            }
            else
#endif
            {
                setting = global_settings.wps_file;
                ext = "wps";
            }
            break;
#if CONFIG_TUNER
        case FM_SCREEN:
#if defined(HAVE_REMOTE_LCD) && NB_SCREENS > 1
            if (screen == SCREEN_REMOTE)
            {
                setting = global_settings.rfms_file;
                ext = "rfms";
            }
            else
#endif
            {
                setting = global_settings.fms_file;
                ext = "fms";
            }
            break;
#endif
        default:
            return NULL;
    }

    buf[0] = '\0'; /* force it to reload the default */
    if (strcmp(setting, FAILSAFENAME) && strcmp(setting, "-"))
    {
        snprintf(buf, buf_size, WPS_DIR "/%s.%s", setting, ext);
    }
    return buf;
}

struct gui_wps *skin_get_gwps(enum skinnable_screens skin, enum screen_type screen)
{
    if (skin == CUSTOM_STATUSBAR && !skins_initialised)
        return &skins[skin][screen].gui_wps;

    if (skins[skin][screen].data.wps_loaded == false)
    {
        char filename[MAX_PATH];
        char *buf = get_skin_filename(filename, MAX_PATH, skin, screen);
        cpu_boost(true);
        skins[skin][screen].filename[0] = '\0';
        skin_load(skin, screen, buf, true);
        cpu_boost(false);
    }
    return &skins[skin][screen].gui_wps;
}

struct wps_state *skin_get_global_state(void)
{
    return &wps_state;
}

/* This is called to find out if we the screen needs a full update.
 * if true you MUST do a full update as the next call will return false */
bool skin_do_full_update(enum skinnable_screens skin,
                            enum screen_type screen)
{
    bool ret = skins[skin][screen].needs_full_update;
    skins[skin][screen].needs_full_update = false;
    return ret;
}

/* tell a skin to do a full update next time */
void skin_request_full_update(enum skinnable_screens skin)
{
    FOR_NB_SCREENS(i)
        skins[skin][i].needs_full_update = true;
}