From c7d42bbbd7641c8e9e06b28000c4c02c2ee36d21 Mon Sep 17 00:00:00 2001
From: Jerome Kuptz <jeromekuptz@gmail.com>
Date: Sun, 20 Jul 2003 21:29:16 +0000
Subject: update to the api to allow fetching of currently playing id3 struct. 
 Adding the favorites plugin.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3854 a1c6a512-1295-4272-9138-f99709370657
---
 apps/plugin.c            |  2 ++
 apps/plugin.h            |  6 ++++--
 apps/plugins/favorites.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 apps/plugins/favorites.c

diff --git a/apps/plugin.c b/apps/plugin.c
index ad3cbdca43..08358aa576 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -31,6 +31,7 @@
 #include "plugin.h"
 #include "lang.h"
 #include "keyboard.h"
+#include "mpeg.h"
 
 #ifdef HAVE_LCD_BITMAP
 #include "widgets.h"
@@ -134,6 +135,7 @@ static struct plugin_api rockbox_api = {
     splash,
     qsort,
     kbd_input,
+    mpeg_current_track, 
 };
 
 int plugin_load(char* plugin, void* parameter)
diff --git a/apps/plugin.h b/apps/plugin.h
index dab3320b2a..6926797cba 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -39,9 +39,10 @@
 #include "font.h"
 #include "system.h"
 #include "lcd.h"
-
+#include "id3.h"
+#include "mpeg.h"
 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 4
+#define PLUGIN_API_VERSION 5 
 
 /* plugin return codes */
 enum plugin_status {
@@ -162,6 +163,7 @@ struct plugin_api {
     void (*qsort)(void *base, size_t nmemb, size_t size,
                   int(*compar)(const void *, const void *));
     int (*kbd_input)(char* buffer, int buflen);
+    struct mp3entry* (*mpeg_current_track)();
 };
 
 /* defined by the plugin loader (plugin.c) */
diff --git a/apps/plugins/favorites.c b/apps/plugins/favorites.c
new file mode 100644
index 0000000000..59001647ac
--- /dev/null
+++ b/apps/plugins/favorites.c
@@ -0,0 +1,51 @@
+#include "plugin.h"
+#define FAVORITES_FILE "/favorites.m3u"
+
+static struct plugin_api* rb;
+
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    struct mp3entry* id3;
+    char track_path[MAX_PATH+1];
+    int fd, seek, result, len;
+    
+    /* this macro should be called as the first thing you do in the plugin.
+       it test that the api version and model the plugin was compiled for
+       matches the machine it is running on */
+    TEST_PLUGIN_API(api);
+
+    /* if you don't use the parameter, you can do like
+       this to avoid the compiler warning about it */
+    (void)parameter;
+
+    rb = api;
+
+    id3 = rb->mpeg_current_track();
+    if (!id3)
+        return PLUGIN_ERROR;
+    
+    fd = rb->open(FAVORITES_FILE, O_WRONLY);
+
+    // creat the file if it does not return on open.
+    if (fd < 0)
+        fd = rb->creat(FAVORITES_FILE, 0);
+
+    if (fd > 0) {
+        rb->strcpy(track_path, id3->path);
+        len = rb->strlen(track_path);
+
+        // seek to the end of file
+        seek = rb->lseek(fd, 0, SEEK_END);
+        // append the current mp3 path
+        track_path[len] = '\n';
+        result = rb->write(fd, track_path, len + 1);
+        track_path[len] = '\0';
+        rb->close(fd);
+    }
+
+    rb->splash(HZ*2, 0, true, "Saved Favorite");
+
+    return PLUGIN_OK;
+}
+
+
-- 
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