]> git.sesse.net Git - vlc/blobdiff - projects/mozilla/vlcplugin.cpp
Mozilla plugin event listeners.
[vlc] / projects / mozilla / vlcplugin.cpp
index 3b28018b5ca4b572c751a5658709d3b668b7c57f..aa5010135cd18bf231aa24647a0588982281f9c0 100644 (file)
@@ -36,6 +36,7 @@
 #include "control/npolibvlc.h"
 
 #include <ctype.h>
+#include <string>
 
 /*****************************************************************************
  * VlcPlugin constructor and destructor
@@ -86,6 +87,48 @@ static bool boolValue(const char *value) {
              !strcasecmp(value, "yes") );
 }
 
+void eventAsync(void *param)
+{
+    VlcPlugin *plugin = (VlcPlugin*)param;
+    NPVariant result;
+    NPVariant params[2];
+
+    pthread_mutex_lock(&plugin->mutex);
+
+    for (int i = 0; i < plugin->eventList.size(); i++)
+    {
+        for (int j = 0; j < plugin->eventListeners.size(); j++)
+        {
+            libvlc_event_type_t event = plugin->eventList[i];
+
+            if (plugin->eventListeners[j]->eventMap.have_event(event))
+            {
+                STRINGZ_TO_NPVARIANT(libvlc_event_type_name(event), params[0]);
+                params[1] = plugin->eventListeners[j]->id;
+                NPN_InvokeDefault(plugin->getBrowser(), plugin->eventListeners[j]->listener, params, 2, &result);
+                NPN_ReleaseVariantValue(&result);
+            }
+        }
+    }
+    plugin->eventList.clear();
+
+    pthread_mutex_unlock(&plugin->mutex);
+}
+
+void event_callback(const libvlc_event_t* event, void *param)
+{
+    VlcPlugin *plugin = (VlcPlugin*)param;
+
+    pthread_mutex_lock(&plugin->mutex);
+
+    if (plugin->eventToCatch.have_event(event->type))
+        plugin->eventList.push_back(event->type);
+
+    pthread_mutex_unlock(&plugin->mutex);
+
+    NPN_PluginThreadAsyncCall(plugin->getBrowser(), eventAsync, plugin);
+}
+
 NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
 {
     /* prepare VLC command line */
@@ -209,12 +252,7 @@ NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
         return NPERR_GENERIC_ERROR;
     }
 
-    libvlc_media_list = libvlc_media_list_new(libvlc_instance,&ex);
-    if( libvlc_exception_raised(&ex) )
-    {
-        libvlc_exception_clear(&ex);
-        return NPERR_GENERIC_ERROR;
-    }
+    libvlc_media_list = libvlc_media_list_new(libvlc_instance);
 
     /*
     ** fetch plugin base URL, which is the URL of the page containing the plugin
@@ -264,6 +302,9 @@ NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
     /* new APIs */
     p_scriptClass = RuntimeNPClass<LibvlcRootNPObject>::getClass();
 
+    if (pthread_mutex_init(&mutex, NULL) != 0)
+        return NPERR_GENERIC_ERROR;
+
     return NPERR_NO_ERROR;
 }
 
@@ -279,25 +320,32 @@ VlcPlugin::~VlcPlugin()
         libvlc_media_list_release( libvlc_media_list );
     if( libvlc_instance )
         libvlc_release(libvlc_instance);
+    
+    for (int i = 0; i < eventListeners.size(); i++)
+    {
+        NPN_ReleaseObject(eventListeners[i]->listener);
+        NPN_ReleaseVariantValue(&(eventListeners[i]->id));
+        delete eventListeners[i];
+    }
+
+    pthread_mutex_destroy(&mutex);
 }
 
 /*****************************************************************************
  * VlcPlugin playlist replacement methods
  *****************************************************************************/
-void VlcPlugin::set_player_window( libvlc_exception_t *ex )
+void VlcPlugin::set_player_window()
 {
 #ifdef XP_UNIX
     libvlc_media_player_set_xwindow(libvlc_media_player,
-                                    (libvlc_drawable_t)getVideoWindow(),
-                                    ex);
+                                    (libvlc_drawable_t)getVideoWindow());
 #endif
 #ifdef XP_MACOSX
     // XXX FIXME insert appropriate call here
 #endif
 #ifdef XP_WIN
     libvlc_media_player_set_hwnd(libvlc_media_player,
-                                 getWindow().window,
-                                 ex);
+                                 getWindow().window);
 #endif
 }
 
@@ -311,7 +359,7 @@ int VlcPlugin::playlist_add( const char *mrl, libvlc_exception_t *ex )
     libvlc_media_list_lock(libvlc_media_list);
     libvlc_media_list_add_media(libvlc_media_list,p_m,ex);
     if( !libvlc_exception_raised(ex) )
-        item = libvlc_media_list_count(libvlc_media_list,ex)-1;
+        item = libvlc_media_list_count(libvlc_media_list)-1;
     libvlc_media_list_unlock(libvlc_media_list);
 
     libvlc_media_release(p_m);
@@ -333,7 +381,7 @@ int VlcPlugin::playlist_add_extended_untrusted( const char *mrl, const char *nam
     libvlc_media_list_lock(libvlc_media_list);
     libvlc_media_list_add_media(libvlc_media_list,p_m,ex);
     if( !libvlc_exception_raised(ex) )
-        item = libvlc_media_list_count(libvlc_media_list,ex)-1;
+        item = libvlc_media_list_count(libvlc_media_list)-1;
     libvlc_media_list_unlock(libvlc_media_list);
     libvlc_media_release(p_m);
 
@@ -343,12 +391,11 @@ int VlcPlugin::playlist_add_extended_untrusted( const char *mrl, const char *nam
 bool VlcPlugin::playlist_select( int idx, libvlc_exception_t *ex )
 {
     libvlc_media_t *p_m = NULL;
+    libvlc_event_manager_t *eventManager = NULL;
 
     libvlc_media_list_lock(libvlc_media_list);
 
-    int count = libvlc_media_list_count(libvlc_media_list,ex);
-    if( libvlc_exception_raised(ex) )
-        goto bad_unlock;
+    int count = libvlc_media_list_count(libvlc_media_list);
 
     if( idx<0||idx>=count )
         goto bad_unlock;
@@ -369,7 +416,28 @@ bool VlcPlugin::playlist_select( int idx, libvlc_exception_t *ex )
 
     libvlc_media_player = libvlc_media_player_new_from_media(p_m,ex);
     if( libvlc_media_player )
-        set_player_window(ex);
+    {
+        set_player_window();
+
+        // Registers the events we're interested in.
+        eventManager = libvlc_media_player_event_manager(libvlc_media_player, ex);
+
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerOpening, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerBuffering, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerPlaying, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerStopped, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerPaused, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerEndReached, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerForward, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerBackward, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerEndReached, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerEncounteredError, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerTimeChanged, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerPositionChanged, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerTitleChanged, event_callback, this, ex);
+        libvlc_event_attach(eventManager, libvlc_MediaPlayerSnapshotTaken, event_callback, this, ex);
+
+    }
 
     libvlc_media_release( p_m );
     return !libvlc_exception_raised(ex);
@@ -390,32 +458,32 @@ void VlcPlugin::playlist_clear( libvlc_exception_t *ex )
 {
     if( libvlc_media_list )
         libvlc_media_list_release(libvlc_media_list);
-    libvlc_media_list = libvlc_media_list_new(getVLC(),ex);
+    libvlc_media_list = libvlc_media_list_new(getVLC());
 }
 
-int VlcPlugin::playlist_count( libvlc_exception_t *ex )
+int VlcPlugin::playlist_count()
 {
     int items_count = 0;
     libvlc_media_list_lock(libvlc_media_list);
-    items_count = libvlc_media_list_count(libvlc_media_list,ex);
+    items_count = libvlc_media_list_count(libvlc_media_list);
     libvlc_media_list_unlock(libvlc_media_list);
     return items_count;
 }
 
 void VlcPlugin::toggle_fullscreen( libvlc_exception_t *ex )
 {
-    if( playlist_isplaying(ex) )
+    if( playlist_isplaying() )
         libvlc_toggle_fullscreen(libvlc_media_player,ex);
 }
 void VlcPlugin::set_fullscreen( int yes, libvlc_exception_t *ex )
 {
-    if( playlist_isplaying(ex) )
+    if( playlist_isplaying() )
         libvlc_set_fullscreen(libvlc_media_player,yes,ex);
 }
 int  VlcPlugin::get_fullscreen( libvlc_exception_t *ex )
 {
     int r = 0;
-    if( playlist_isplaying(ex) )
+    if( playlist_isplaying() )
         r = libvlc_get_fullscreen(libvlc_media_player,ex);
     return r;
 }
@@ -423,7 +491,7 @@ int  VlcPlugin::get_fullscreen( libvlc_exception_t *ex )
 bool  VlcPlugin::player_has_vout( libvlc_exception_t *ex )
 {
     bool r = false;
-    if( playlist_isplaying(ex) )
+    if( playlist_isplaying() )
         r = libvlc_media_player_has_vout(libvlc_media_player, ex);
     return r;
 }
@@ -727,7 +795,6 @@ void VlcPlugin::hideToolbar()
 
 void VlcPlugin::redrawToolbar()
 {
-    libvlc_exception_t ex;
     int is_playing = 0;
     bool b_mute = false;
     unsigned int dst_x, dst_y;
@@ -745,7 +812,6 @@ void VlcPlugin::redrawToolbar()
 
     getToolbarSize( &i_tb_width, &i_tb_height );
 
-    libvlc_exception_init( &ex );
 
     /* get mute info */
     b_mute = libvlc_audio_get_mute( getVLC() );
@@ -814,12 +880,14 @@ void VlcPlugin::redrawToolbar()
                    (window.width-(dst_x+BTN_SPACE)), p_timeline->height );
 
     /* get movie position in % */
-    if( playlist_isplaying(&ex) )
+    if( playlist_isplaying() )
     {
+        libvlc_exception_t ex;
+        libvlc_exception_init( &ex );
         i_last_position = (int)((window.width-(dst_x+BTN_SPACE))*
                    libvlc_media_player_get_position(libvlc_media_player,&ex));
+        libvlc_exception_clear( &ex );
     }
-    libvlc_exception_clear( &ex );
 
     if( p_btnTime )
         XPutImage( p_display, control, gc, p_btnTime,
@@ -835,7 +903,6 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
     unsigned int i_dest = BTN_SPACE;
     int is_playing = 0;
     bool b_mute = false;
-    libvlc_exception_t ex;
 
 #ifndef NDEBUG
     fprintf( stderr, "ToolbarButtonClicked:: "
@@ -851,9 +918,7 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
      */
 
     /* get isplaying */
-    libvlc_exception_init( &ex );
-    is_playing = playlist_isplaying( &ex );
-    libvlc_exception_clear( &ex );
+    is_playing = playlist_isplaying();
 
     /* get mute info */
     b_mute = libvlc_audio_get_mute( getVLC() );
@@ -911,3 +976,20 @@ vlc_toolbar_clicked_t VlcPlugin::getToolbarButtonClicked( int i_xpos, int i_ypos
 }
 #undef BTN_SPACE
 #endif
+
+// Verifies the version of the NPAPI.
+// The eventListeners use a NPAPI function available
+// since Gecko 1.9.
+bool VlcPlugin::canUseEventListener()
+{
+    int plugin_major, plugin_minor;
+    int browser_major, browser_minor;
+
+    NPN_Version(&plugin_major, &plugin_minor,
+                &browser_major, &browser_minor);
+
+    if (browser_minor >= 19 || browser_major > 0)
+        return true;
+    return false;
+}
+