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* give tsr plugins the choice to quit or not

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* bumps plugin api version


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11405 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2006-10-31 11:17:00 +00:00
parent 23f127ddd7
commit 29e259a291
4 changed files with 61 additions and 28 deletions
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31
apps/plugin.c
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@ -88,7 +88,8 @@ extern unsigned char pluginbuf[];
/* for actual plugins only, not for codecs */
static bool plugin_loaded = false;
static int plugin_size = 0;
static void (*pfn_tsr_exit)(void) = NULL; /* TSR exit callback */
static bool (*pfn_tsr_exit)(bool) = NULL; /* TSR exit callback */
static char current_plugin[MAX_PATH];
static const struct plugin_api rockbox_api = {
@ -248,6 +249,7 @@ static const struct plugin_api rockbox_api = {
ata_sleep,
ata_disk_is_active,
#endif
ata_spindown,
reload_directory,
/* dir */
@ -317,6 +319,7 @@ static const struct plugin_api rockbox_api = {
memchr,
memcmp,
strcasestr,
strtok_r,
/* unicode stuff */
utf8decode,
iso_decode,
@ -464,21 +467,21 @@ static const struct plugin_api rockbox_api = {
show_logo,
tree_get_context,
/* new stuff at the end, sort into place next time
the API gets incompatible */
strtok_r,
#ifdef HAVE_WHEEL_POSITION
wheel_status,
wheel_send_events,
#endif
ata_spindown,
/* new stuff at the end, sort into place next time
the API gets incompatible */
};
int plugin_load(const char* plugin, void* parameter)
{
int rc;
struct plugin_header *hdr;
const char *p = strrchr(plugin,'/');
#ifdef SIMULATOR
void *pd;
#else
@ -495,14 +498,23 @@ int plugin_load(const char* plugin, void* parameter)
fb_data* old_backdrop;
#endif
if (!p)
p = plugin;
action_signalscreenchange();
if (pfn_tsr_exit != NULL) /* if we have a resident old plugin: */
{
pfn_tsr_exit(); /* force it to exit now */
if (pfn_tsr_exit(!strcmp(current_plugin,p)) == false )
{
/* not allowing another plugin to load */
return PLUGIN_OK;
}
pfn_tsr_exit = NULL;
plugin_loaded = false;
}
gui_syncsplash(0, true, str(LANG_WAIT));
strcpy(current_plugin,p);
#ifdef SIMULATOR
hdr = sim_plugin_load((char *)plugin, &pd);
@ -635,7 +647,6 @@ int plugin_load(const char* plugin, void* parameter)
gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_ERROR));
break;
}
action_signalscreenchange();
return PLUGIN_OK;
}
@ -675,7 +686,7 @@ void* plugin_get_audio_buffer(int* buffer_size)
/* The plugin wants to stay resident after leaving its main function, e.g.
runs from timer or own thread. The callback is registered to later
instruct it to free its resources before a new plugin gets loaded. */
void plugin_tsr(void (*exit_callback)(void))
void plugin_tsr(bool (*exit_callback)(bool))
{
pfn_tsr_exit = exit_callback; /* remember the callback for later */
}