1 files changed, 504 insertions, 0 deletions

diff --git a/apps/playlist_catalog.c b/apps/playlist_catalog.c
new file mode 100644
index 0000000000..a1a9bd8ea1
--- /dev/null
+++ b/apps/playlist_catalog.c
@@ -0,0 +1,504 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Sebastian Henriksen, Hardeep Sidhu
+ *
+ * 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 <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "action.h"
+#include "dir.h"
+#include "file.h"
+#include "filetree.h"
+#include "kernel.h"
+#include "keyboard.h"
+#include "lang.h"
+#include "list.h"
+#include "misc.h"
+#include "onplay.h"
+#include "playlist.h"
+#include "settings.h"
+#include "splash.h"
+#include "sprintf.h"
+#include "tree.h"
+#include "yesno.h"
+
+#define PLAYLIST_CATALOG_CFG ROCKBOX_DIR "/playlist_catalog.config"
+#define PLAYLIST_CATALOG_DEFAULT_DIR "/Playlists"
+#define MAX_PLAYLISTS 400
+#define PLAYLIST_DISPLAY_COUNT 10
+
+/* Use for recursive directory search */
+struct add_track_context {
+    int fd;
+    int count;
+};
+
+/* keep track of most recently used playlist */
+static char most_recent_playlist[MAX_PATH];
+
+/* directory where our playlists our stored (configured in
+   PLAYLIST_CATALOG_CFG) */
+static char playlist_dir[MAX_PATH];
+static int  playlist_dir_length;
+static bool playlist_dir_exists = false;
+
+/* Retrieve playlist directory from config file and verify it exists */
+static int initialize_catalog(void)
+{
+    static bool initialized = false;
+
+    if (!initialized)
+    {
+        int f;
+        DIR* dir;
+        bool default_dir = true;
+
+        f = open(PLAYLIST_CATALOG_CFG, O_RDONLY);
+        if (f >= 0)
+        {
+            char buf[MAX_PATH+5];
+
+            while (read_line(f, buf, sizeof(buf)))
+            {
+                char* name;
+                char* value;
+
+                /* directory config is of the format: "dir: /path/to/dir" */
+                if (settings_parseline(buf, &name, &value) &&
+                    !strncasecmp(name, "dir:", strlen(name)) &&
+                    strlen(value) > 0)
+                {
+                    strncpy(playlist_dir, value, strlen(value));
+                    default_dir = false;
+                }
+            }
+
+            close(f);
+        }
+
+        /* fall back to default directory if no or invalid config */
+        if (default_dir)
+            strncpy(playlist_dir, PLAYLIST_CATALOG_DEFAULT_DIR,
+                sizeof(playlist_dir));
+
+        playlist_dir_length = strlen(playlist_dir);
+
+        dir = opendir(playlist_dir);
+        if (dir)
+        {
+            playlist_dir_exists = true;
+            closedir(dir);
+            memset(most_recent_playlist, 0, sizeof(most_recent_playlist));
+            initialized = true;
+        }
+    }
+
+    if (!playlist_dir_exists)
+    {
+        gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_DIRECTORY),
+            playlist_dir);
+        return -1;
+    }
+
+    return 0;
+}
+
+/* Use the filetree functions to retrieve the list of playlists in the
+   directory */
+static int create_playlist_list(char** playlists, int num_items,
+                                int* num_playlists)
+{
+    int result = -1;
+    int num_files = 0;
+    int index = 0;
+    int i;
+    bool most_recent = false;
+    struct entry *files;
+    struct tree_context* tc = tree_get_context();
+    int dirfilter = *(tc->dirfilter);
+
+    *num_playlists = 0;
+
+    /* use the tree browser dircache to load only playlists */
+    *(tc->dirfilter) = SHOW_PLAYLIST;
+    
+    if (ft_load(tc, playlist_dir) < 0)
+    {
+        gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_DIRECTORY),
+            playlist_dir);
+        goto exit;
+    }
+    
+    files = (struct entry*) tc->dircache;
+    num_files = tc->filesindir;
+    
+    /* we've overwritten the dircache so tree browser will need to be
+       reloaded */
+    reload_directory();
+    
+    /* if it exists, most recent playlist will always be index 0 */
+    if (most_recent_playlist[0] != '\0')
+    {
+        index = 1;
+        most_recent = true;
+    }
+
+    for (i=0; i<num_files && index<num_items; i++)
+    {
+        if (files[i].attr & TREE_ATTR_M3U)
+        {
+            if (most_recent && !strncmp(files[i].name, most_recent_playlist,
+                sizeof(most_recent_playlist)))
+            {
+                playlists[0] = files[i].name;
+                most_recent = false;
+            }
+            else
+            {
+                playlists[index] = files[i].name;
+                index++;
+            }
+        }
+    }
+
+    *num_playlists = index;
+
+    /* we couldn't find the most recent playlist, shift all playlists up */
+    if (most_recent)
+    {
+        for (i=0; i<index-1; i++)
+            playlists[i] = playlists[i+1];
+
+        (*num_playlists)--;
+
+        most_recent_playlist[0] = '\0';
+    }
+
+    result = 0;
+
+exit:
+    *(tc->dirfilter) = dirfilter;
+    return result;
+}
+
+/* Callback for gui_synclist */
+static char* playlist_callback_name(int selected_item, void* data,
+                                    char* buffer)
+{
+    char** playlists = (char**) data;
+
+    strncpy(buffer, playlists[selected_item], MAX_PATH);
+
+    return buffer;
+}
+
+/* Display all playlists in catalog.  Selected "playlist" is returned.
+   If "view" mode is set then we're not adding anything into playlist. */
+static int display_playlists(char* playlist, bool view)
+{
+    int result = -1;
+    int num_playlists = 0;
+    int lastbutton = BUTTON_NONE;
+    bool exit = false;
+    char temp_buf[MAX_PATH];
+    char* playlists[MAX_PLAYLISTS];
+    struct gui_synclist playlist_lists;
+
+    if (create_playlist_list(playlists, sizeof(playlists),
+            &num_playlists) != 0)
+        return -1;
+
+    if (num_playlists <= 0)
+    {
+        gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_PLAYLISTS));
+        return -1;
+    }
+
+    if (!playlist)
+        playlist = temp_buf;
+
+    gui_synclist_init(&playlist_lists, playlist_callback_name, playlists,
+        false, 1);
+    gui_synclist_set_nb_items(&playlist_lists, num_playlists);
+    gui_synclist_draw(&playlist_lists);
+
+    while (!exit)
+    {
+        int button = button_get_w_tmo(HZ/2);
+        char* sel_file;
+
+        gui_synclist_do_button(&playlist_lists, button);
+
+        sel_file = playlists[gui_synclist_get_sel_pos(&playlist_lists)];
+
+        switch (button)
+        {
+            case TREE_EXIT:
+#ifdef TREE_RC_EXIT
+            case TREE_RC_EXIT:
+#endif
+#ifdef TREE_OFF
+            case TREE_OFF:
+#endif
+                exit = true;
+                break;
+
+#ifdef TREE_ENTER
+            case TREE_ENTER:
+            case TREE_ENTER | BUTTON_REPEAT:
+#endif
+#ifdef TREE_RC_RUN
+            case TREE_RC_RUN:
+#endif
+            case TREE_RUN:
+#ifdef TREE_RUN_PRE
+                if (((button == TREE_RUN)
+#ifdef TREE_RC_RUN_PRE
+                    || (button == TREE_RC_RUN))
+                        && ((lastbutton != TREE_RC_RUN_PRE)
+#endif
+                    && (lastbutton != TREE_RUN_PRE)))
+                    break;
+#endif
+
+                if (view)
+                {
+                    /* In view mode, selecting a playlist starts playback */
+                    if (playlist_create(playlist_dir, sel_file) != -1)
+                    {
+                        if (global_settings.playlist_shuffle)
+                            playlist_shuffle(current_tick, -1);
+                        playlist_start(0, 0);
+                    }
+                }
+                else
+                {
+                    /* we found the playlist we want to add to */
+                    snprintf(playlist, MAX_PATH, "%s/%s", playlist_dir,
+                        sel_file);
+                }
+
+                result = 0;
+                exit = true;
+                break;
+
+            case TREE_CONTEXT:
+#ifdef TREE_CONTEXT2
+            case TREE_CONTEXT2:
+#endif
+#ifdef TREE_RC_CONTEXT
+            case TREE_RC_CONTEXT:
+#endif
+                /* context menu only available in view mode */
+                if (view)
+                {
+                    snprintf(playlist, MAX_PATH, "%s/%s", playlist_dir,
+                        sel_file);
+
+                    if (onplay(playlist, TREE_ATTR_M3U,
+                            CONTEXT_TREE) != ONPLAY_OK)
+                    {
+                        result = 0;
+                        exit = true;
+                    }
+                    else
+                        gui_synclist_draw(&playlist_lists);
+                }
+                break;
+
+            case BUTTON_NONE:
+                gui_syncstatusbar_draw(&statusbars, false);
+                break;
+
+            default:
+                if(default_event_handler(button) == SYS_USB_CONNECTED)
+                {
+                    result = -1;
+                    exit = true;
+                }
+                break;
+        }
+
+        lastbutton = button;
+    }
+
+    return result;
+}
+
+/* display number of tracks inserted into playlists.  Used for directory
+   insert */
+static void display_insert_count(int count)
+{
+    gui_syncsplash(0, true, str(LANG_PLAYLIST_INSERT_COUNT), count,
+#if CONFIG_KEYPAD == PLAYER_PAD
+        str(LANG_STOP_ABORT)
+#else
+        str(LANG_OFF_ABORT)
+#endif
+        );
+}
+
+/* Add specified track into playlist.  Callback from directory insert */
+static int add_track_to_playlist(char* filename, void* context)
+{
+    struct add_track_context* c = (struct add_track_context*) context;
+
+    if (fdprintf(c->fd, "%s\n", filename) <= 0)
+        return -1;
+
+    (c->count)++;
+
+    if (((c->count)%PLAYLIST_DISPLAY_COUNT) == 0)
+        display_insert_count(c->count);
+
+    return 0;
+}
+
+/* Add "sel" file into specified "playlist".  How to insert depends on type
+   of file */
+static int add_to_playlist(const char* playlist, char* sel, int sel_attr)
+{
+    int fd;
+    int result = -1;
+    
+    fd = open(playlist, O_CREAT|O_WRONLY|O_APPEND);
+    if(fd < 0)
+        return result;
+
+    /* In case we're in the playlist directory */
+    reload_directory();
+
+    if ((sel_attr & TREE_ATTR_MASK) == TREE_ATTR_MPA)
+    {
+        /* append the selected file */
+        if (fdprintf(fd, "%s\n", sel) > 0)
+            result = 0;
+    }
+    else if ((sel_attr & TREE_ATTR_MASK) == TREE_ATTR_M3U)
+    {
+        /* append playlist */
+        int f, fs, i;
+        char buf[1024];
+        
+        if(strcasecmp(playlist, sel) == 0)
+            goto exit;
+        
+        f = open(sel, O_RDONLY);
+        if (f < 0)
+            goto exit;
+        
+        fs = filesize(f);
+        
+        for (i=0; i<fs;)
+        {
+            int n;
+            
+            n = read(f, buf, sizeof(buf));
+            if (n < 0)
+                break;
+            
+            if (write(fd, buf, n) < 0)
+                break;
+            
+            i += n;
+        }
+        
+        if (i >= fs)
+            result = 0;
+        
+        close(f);
+    }
+    else if (sel_attr & ATTR_DIRECTORY)
+    {
+        /* search directory for tracks and append to playlist */
+        bool recurse = false;
+        char *lines[] = {
+            (char *)str(LANG_RECURSE_DIRECTORY_QUESTION),
+                sel
+        };
+        struct text_message message={lines, 2};
+        struct add_track_context context;
+
+        if (global_settings.recursive_dir_insert != RECURSE_ASK)
+            recurse = (bool)global_settings.recursive_dir_insert;
+        else
+        {
+            /* Ask if user wants to recurse directory */
+            recurse = (gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES);
+        }
+        
+        context.fd = fd;
+        context.count = 0;
+
+        display_insert_count(0);
+
+        result = playlist_directory_tracksearch(sel, recurse,
+            add_track_to_playlist, &context);
+
+        display_insert_count(context.count);
+    }
+
+exit:
+    close(fd);
+    return result;
+}
+
+bool catalog_view_playlists(void)
+{
+    if (initialize_catalog() == -1)
+        return false;
+
+    if (display_playlists(NULL, true) == -1)
+        return false;
+
+    return true;
+}
+
+bool catalog_add_to_a_playlist(char* sel, int sel_attr, bool new_playlist)
+{
+    char playlist[MAX_PATH];
+    
+    if (initialize_catalog() == -1)
+        return false;
+
+    if (new_playlist)
+    {
+        snprintf(playlist, MAX_PATH, "%s/", playlist_dir);
+        if (kbd_input(playlist, MAX_PATH))
+            return false;
+        
+        if(strlen(playlist) <= 4 ||
+            strcasecmp(&playlist[strlen(playlist)-4], ".m3u"))
+            strcat(playlist, ".m3u");
+    }
+    else
+    {
+        if (display_playlists(playlist, false) == -1)
+            return false;
+    }
+
+    if (add_to_playlist(playlist, sel, sel_attr) == 0)
+    {
+        strncpy(most_recent_playlist, playlist+playlist_dir_length+1,
+            sizeof(most_recent_playlist));
+        return true;
+    }
+    else
+        return false;
+}