mozilla: no functional changes

* Rename i_playing to is_playing
* Handle case of p_md being NULL.

projects/mozilla/vlcplugin.cpp

 /*****************************************************************************
  * vlcplugin.cpp: a VLC plugin for Mozilla
  *****************************************************************************
- * Copyright (C) 2002-2008 the VideoLAN team
+ * Copyright (C) 2002-2009 the VideoLAN team
  * $Id$
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
@@ -118,7 +118,6 @@ NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
     ppsz_argv[ppsz_argc++] = "--no-media-library";
     ppsz_argv[ppsz_argc++] = "--ignore-config";
     ppsz_argv[ppsz_argc++] = "--intf=dummy";
-
     const char *progid = NULL;
 
     /* parse plugin arguments */
@@ -560,7 +559,7 @@ void VlcPlugin::redrawToolbar()
     libvlc_media_player_t *p_md = NULL;
     libvlc_exception_t ex;
     float f_position = 0.0;
-    int i_playing = 0;
+    int is_playing = 0;
     bool b_mute = false;
     unsigned int dst_x, dst_y;
     GC gc;
@@ -581,23 +580,25 @@ void VlcPlugin::redrawToolbar()
     libvlc_exception_init( &ex );
     p_md = libvlc_playlist_get_media_player( getVLC(), &ex );
     libvlc_exception_clear( &ex );
+    if( p_md )
+    {
+        /* get isplaying */
+        is_playing = libvlc_playlist_isplaying( getVLC(), &ex );
+        libvlc_exception_clear( &ex );
 
-    /* get isplaying */
-    i_playing = libvlc_playlist_isplaying( getVLC(), &ex );
-    libvlc_exception_clear( &ex );
+        /* get movie position in % */
+        if( is_playing == 1 )
+        {
+            f_position = libvlc_media_player_get_position( p_md, &ex ) * 100.0;
+            libvlc_exception_clear( &ex );
+        }
+        libvlc_media_player_release( p_md );
+    }
 
     /* get mute info */
     b_mute = libvlc_audio_get_mute( getVLC(), &ex );
     libvlc_exception_clear( &ex );
 
-    /* get movie position in % */
-    if( i_playing == 1 )
-    {
-        f_position = libvlc_media_player_get_position( p_md, &ex ) * 100;
-        libvlc_exception_clear( &ex );
-    }
-    libvlc_media_player_release( p_md );
-
     gcv.foreground = BlackPixel( p_display, 0 );
     gc = XCreateGC( p_display, control, GCForeground, &gcv );
 
@@ -610,7 +611,7 @@ void VlcPlugin::redrawToolbar()
     dst_x = BTN_SPACE;
     dst_y = i_tb_height >> 1; /* baseline = vertical middle */
 
-    if( p_btnPause && (i_playing == 1) )
+    if( p_btnPause && (is_playing == 1) )
     {
         XPutImage( p_display, control, gc, p_btnPause, 0, 0, dst_x,
                    dst_y - (p_btnPause->height >> 1),
@@ -677,7 +678,7 @@ void VlcPlugin::redrawToolbar()
 vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos )
 {
     unsigned int i_dest = BTN_SPACE;//(i_tb_height >> 1);
-    int i_playing = 0;
+    int is_playing = 0;
     bool b_mute = false;
     libvlc_exception_t ex;
 
@@ -695,7 +696,7 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
 
     /* get isplaying */
     libvlc_exception_init( &ex );
-    i_playing = libvlc_playlist_isplaying( getVLC(), &ex );
+    is_playing = libvlc_playlist_isplaying( getVLC(), &ex );
     libvlc_exception_clear( &ex );
 
     /* get mute info */
@@ -703,7 +704,7 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
     libvlc_exception_clear( &ex );
 
     /* is Pause of Play button clicked */
-    if( (i_playing != 1) &&
+    if( (is_playing != 1) &&
         (i_xpos >= (BTN_SPACE>>1)) &&
         (i_xpos <= i_dest + p_btnPlay->width + (BTN_SPACE>>1)) )
         return clicked_Play;
@@ -712,7 +713,7 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
         return clicked_Pause;
 
     /* is Stop button clicked */
-    if( i_playing != 1 )
+    if( is_playing != 1 )
         i_dest += (p_btnPlay->width + (BTN_SPACE>>1));
     else
         i_dest += (p_btnPause->width + (BTN_SPACE>>1));