return res;
}
-// Parse an event Array given as a NPObject by JS.
-// This function is similar to LibvlcPlaylistNPObject::parseOptions,
-// but we don't use it because it's not clearly accessible and the FIXME flags
-// implie that it might be modified.
-bool parseEventArray(NPObject *obj, eventtypes_bitmap_t &eventToGet, NPP instance)
-{
- NPIdentifier propId = NPN_GetStringIdentifier("length");
- NPVariant value;
-
- if (!NPN_GetProperty(instance, obj, propId, &value))
- return false;
-
- int count = NPVARIANT_TO_INT32(value);
- NPN_ReleaseVariantValue(&value);
- if (count == 0)
- return false;
-
- int nOptions = 0;
- while (nOptions < count)
- {
- propId = NPN_GetIntIdentifier(nOptions);
- // if there is no other string in the array.
- if( ! NPN_GetProperty(instance, obj, propId, &value) )
- break;
-
- // if the element is not a string.
- if( ! NPVARIANT_IS_STRING(value) )
- {
- NPN_ReleaseVariantValue(&value);
- break;
- }
-
- if (!eventToGet.add_event(NPVARIANT_TO_STRING(value).utf8characters))
- return false;
- nOptions++;
- }
- return true;
-}
-
/*
** implementation of libvlc root object
*/
if( audioObj ) NPN_ReleaseObject(audioObj);
if( inputObj ) NPN_ReleaseObject(inputObj);
if( playlistObj ) NPN_ReleaseObject(playlistObj);
+ if( subtitleObj ) NPN_ReleaseObject(subtitleObj);
if( videoObj ) NPN_ReleaseObject(videoObj);
}
}
"playlist",
"subtitle",
"video",
- "events",
"VersionInfo",
};
COUNTNAMES(LibvlcRootNPObject,propertyCount,propertyNames);
ID_root_playlist,
ID_root_subtitle,
ID_root_video,
- ID_root_events,
ID_root_VersionInfo,
};
InstantObj<LibvlcVideoNPObject>( videoObj );
OBJECT_TO_NPVARIANT(NPN_RetainObject(videoObj), result);
return INVOKERESULT_NO_ERROR;
- case ID_root_events:
- // create child object in lazyman fashion to avoid
- // ownership problem with firefox
- if( ! eventObj )
- eventObj = NPN_CreateObject(_instance,
- RuntimeNPClass<LibvlcEventNPObject>::getClass());
- OBJECT_TO_NPVARIANT(NPN_RetainObject(eventObj), result);
- return INVOKERESULT_NO_ERROR;
case ID_root_VersionInfo:
return invokeResultString(libvlc_get_version(),result);
default:
const NPUTF8 * const LibvlcRootNPObject::methodNames[] =
{
"versionInfo",
+ "addEventListener",
+ "removeEventListener",
};
COUNTNAMES(LibvlcRootNPObject,methodCount,methodNames);
enum LibvlcRootNPObjectMethodIds
{
ID_root_versionInfo,
+ ID_root_addeventlistener,
+ ID_root_removeeventlistener,
};
RuntimeNPObject::InvokeResult LibvlcRootNPObject::invoke(int index,
const NPVariant *args, uint32_t argCount, NPVariant &result)
{
/* is plugin still running */
- if( isPluginRunning() )
+ if( !isPluginRunning() )
+ return INVOKERESULT_GENERIC_ERROR;
+
+ libvlc_exception_t ex;
+ libvlc_exception_init(&ex);
+
+ switch( index )
{
- libvlc_exception_t ex;
- libvlc_exception_init(&ex);
+ case ID_root_versionInfo:
+ if( 0 != argCount )
+ return INVOKERESULT_NO_SUCH_METHOD;
+ return invokeResultString(libvlc_get_version(),result);
+
+ case ID_root_addeventlistener:
+ case ID_root_removeeventlistener:
+ if( (3 != argCount) ||
+ !NPVARIANT_IS_STRING(args[0]) ||
+ !NPVARIANT_IS_OBJECT(args[1]) ||
+ !NPVARIANT_IS_BOOLEAN(args[2]) )
+ break;
- switch( index )
+ if( !VlcPlugin::canUseEventListener() )
{
- case ID_root_versionInfo:
- if( 0 != argCount )
- return INVOKERESULT_NO_SUCH_METHOD;
- return invokeResultString(libvlc_get_version(),result);
- default:
- ;
+ NPN_SetException(this, ERROR_API_VERSION);
+ return INVOKERESULT_GENERIC_ERROR;
}
+
+ NPObject *listener = NPVARIANT_TO_OBJECT(args[1]);
+ VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
+
+ bool b;
+ if(ID_root_removeeventlistener!=index)
+ b = p_plugin->events.insert(NPVARIANT_TO_STRING(args[0]),
+ listener, NPVARIANT_TO_BOOLEAN(args[2]));
+ else
+ b = p_plugin->events.remove(NPVARIANT_TO_STRING(args[0]),
+ listener, NPVARIANT_TO_BOOLEAN(args[2]));
+
+ VOID_TO_NPVARIANT(result);
+
+ return b ? INVOKERESULT_NO_ERROR : INVOKERESULT_GENERIC_ERROR;
}
- return INVOKERESULT_GENERIC_ERROR;
+ return INVOKERESULT_NO_SUCH_METHOD;
}
/*
return INVOKERESULT_NO_ERROR;
}
-
-
-/*
-** implementation of libvlc event object
-*/
-
-const NPUTF8 * const LibvlcEventNPObject::propertyNames[] =
-{
-};
-
-enum LibvlcEventNPObjectPropertyIds
-{
-};
-COUNTNAMES(LibvlcEventNPObject,propertyCount,propertyNames);
-
-const NPUTF8 * const LibvlcEventNPObject::methodNames[] =
-{
- "addListener",
- "removeListeners",
-};
-COUNTNAMES(LibvlcEventNPObject,methodCount,methodNames);
-
-enum LibvlcEventNPObjectMethodIds
-{
- ID_event_addListener,
- ID_event_removeListeners,
-};
-
-bool LibvlcEventNPObject::parseArgs(const NPVariant *args, uint32_t argCount,
- eventtypes_bitmap_t &eventToGet)
-{
- if (argCount > 2)
- eventToGet.clear();
-
- for (int argIndex = 2; argIndex < argCount; argIndex++)
- {
- if (NPVARIANT_IS_STRING(args[argIndex]))
- {
- if (!eventToGet.add_event(NPVARIANT_TO_STRING(args[argIndex]).utf8characters))
- return false;
- }
- else if (NPVARIANT_IS_OBJECT(args[argIndex]))
- {
- if (!parseEventArray(NPVARIANT_TO_OBJECT(args[argIndex]), eventToGet, _instance))
- return false;
- }
- else
- return false;
- }
- return true;
-}
-
-RuntimeNPObject::InvokeResult
-LibvlcEventNPObject::invoke(int index, const NPVariant *args,
- uint32_t argCount, NPVariant &result)
-{
- /* is plugin still running */
- if( isPluginRunning() )
- {
- libvlc_exception_t ex;
- libvlc_exception_init(&ex);
-
- switch( index )
- {
- case ID_event_addListener:
- if (argCount >= 2)
- {
- // Checks if the first argument is a NPObject
- if (!NPVARIANT_IS_OBJECT(args[0]))
- return INVOKERESULT_NO_SUCH_METHOD;
-
- // Checks if the browser has the NPAPI version 0.19 at least.
- if (!VlcPlugin::canUseEventListener())
- {
- NPN_SetException(this, strdup(ERROR_API_VERSION));
- return INVOKERESULT_GENERIC_ERROR;
- }
-
- VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
-
- // Gets the binary field corresponding to the events the
- // listener must listen to if specified.
- // Else, listen to all events.
- eventtypes_bitmap_t eventToGet;
- eventToGet.set_all_events();
-
- if (!parseArgs(args, argCount, eventToGet))
- {
- NPN_SetException(this, strdup(ERROR_EVENT_NOT_FOUND));
- return INVOKERESULT_GENERIC_ERROR;
- }
-
- NPObject *listener = NPVARIANT_TO_OBJECT(args[0]);
- NPN_RetainObject(listener);
-
- EventListener *eventListener = new EventListener();
- eventListener->listener = listener;
- eventListener->id = copyNPVariant(args[1]);
- eventListener->eventMap = eventToGet;
-
- p_plugin->eventToCatch.add_event(eventToGet);
-
- p_plugin->eventListeners.push_back(eventListener);
-
- return INVOKERESULT_NO_ERROR;
- }
- return INVOKERESULT_NO_SUCH_METHOD;
- case ID_event_removeListeners:
- if (argCount == 0)
- {
- VlcPlugin* p_plugin = getPrivate<VlcPlugin>();
- p_plugin->eventListeners.clear();
- p_plugin->eventToCatch.clear();
- return INVOKERESULT_NO_ERROR;
- }
- return INVOKERESULT_NO_SUCH_METHOD;
- default:
- ;
- }
- }
- return INVOKERESULT_GENERIC_ERROR;
-}
inputObj(NULL),
playlistObj(NULL),
subtitleObj(NULL),
- videoObj(NULL),
- eventObj(NULL) {};
+ videoObj(NULL) { }
virtual ~LibvlcRootNPObject();
NPObject *playlistObj;
NPObject *subtitleObj;
NPObject *videoObj;
- NPObject *eventObj;
};
class LibvlcAudioNPObject: public RuntimeNPObject
InvokeResult invoke(int index, const NPVariant *args, uint32_t argCount, NPVariant &result);
};
-class LibvlcEventNPObject: public RuntimeNPObject
-{
-protected:
- friend class RuntimeNPClass<LibvlcEventNPObject>;
-
- LibvlcEventNPObject(NPP instance, const NPClass *aClass) :
- RuntimeNPObject(instance, aClass) {};
- virtual ~LibvlcEventNPObject() {};
-
- static const int propertyCount;
- static const NPUTF8 * const propertyNames[];
-
- static const int methodCount;
- static const NPUTF8 * const methodNames[];
-
- InvokeResult invoke(int index, const NPVariant *args, uint32_t argCount, NPVariant &result);
-
- bool parseArgs(const NPVariant *args, uint32_t argCount,
- eventtypes_bitmap_t &eventToGet);
-};
#include "control/npolibvlc.h"
#include <ctype.h>
-#include <string>
+#include <pthread.h>
/*****************************************************************************
* VlcPlugin constructor and destructor
!strcasecmp(value, "yes") );
}
-void eventAsync(void *param)
+
+void EventObj::deliver(NPP browser)
{
- VlcPlugin *plugin = (VlcPlugin*)param;
NPVariant result;
- NPVariant params[2];
+ NPVariant params[1];
- pthread_mutex_lock(&plugin->mutex);
+ pthread_mutex_lock(&mutex);
- for (int i = 0; i < plugin->eventList.size(); i++)
+ for( ev_l::iterator i=_elist.begin();i!=_elist.end();++i )
{
- for (int j = 0; j < plugin->eventListeners.size(); j++)
- {
- libvlc_event_type_t event = plugin->eventList[i];
+ libvlc_event_type_t event = *i;
+ STRINGZ_TO_NPVARIANT(libvlc_event_type_name(event), params[0]);
+
+ // Invalid events aren't supposed to be queued up.
+ // if( !have_event(event) ) continue;
- if (plugin->eventListeners[j]->eventMap.have_event(event))
+ for( lr_l::iterator j=_llist.begin();j!=_llist.end();++j )
+ {
+ if (j->get(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_InvokeDefault(browser, j->listener(), params, 1, &result);
NPN_ReleaseVariantValue(&result);
}
}
}
- plugin->eventList.clear();
+ _elist.clear();
- pthread_mutex_unlock(&plugin->mutex);
+ pthread_mutex_unlock(&mutex);
}
-void event_callback(const libvlc_event_t* event, void *param)
+void VlcPlugin::eventAsync(void *param)
{
VlcPlugin *plugin = (VlcPlugin*)param;
+ plugin->events.deliver(plugin->getBrowser());
+}
- pthread_mutex_lock(&plugin->mutex);
+void EventObj::callback(const libvlc_event_t* event)
+{
+ pthread_mutex_lock(&mutex);
- if (plugin->eventToCatch.have_event(event->type))
- plugin->eventList.push_back(event->type);
+ if( have_event(event->type) )
+ _elist.push_back(event->type);
- pthread_mutex_unlock(&plugin->mutex);
+ pthread_mutex_unlock(&mutex);
+}
+void VlcPlugin::event_callback(const libvlc_event_t* event, void *param)
+{
+ VlcPlugin *plugin = (VlcPlugin*)param;
+ plugin->events.callback(event);
+#ifdef XP_UNIX
NPN_PluginThreadAsyncCall(plugin->getBrowser(), eventAsync, plugin);
+#else
+ NPN_SetException(this, "NPN_PluginThreadAsyncCall not implemented yet.");
+#endif
+}
+
+inline EventObj::event_t EventObj::find_event(const char *s) const
+{
+ event_t i;
+ for(i=0;i<maxbit();++i)
+ if(!strcmp(s,libvlc_event_type_name(i)))
+ break;
+ return i;
}
+bool EventObj::insert(const NPString &s, NPObject *l, bool b)
+{
+ event_t e = find_event(s.utf8characters);
+ if( e>=maxbit() )
+ return false;
+
+ if( !have_event(e) && !ask_for_event(e) )
+ return false;
+
+ lr_l::iterator i;
+ for(i=_llist.begin();i!=_llist.end();++i)
+ if(i->listener()==l && i->bubble()==b)
+ break;
+
+ if( i == _llist.end() ) {
+ _llist.push_back(Listener(e,l,b));
+ } else {
+ if( i->get(e) )
+ return false;
+ i->get(e);
+ }
+}
+
+
+bool EventObj::remove(const NPString &s, NPObject *l, bool b)
+{
+ event_t e = find_event(s.utf8characters);
+ if( e>=maxbit() || !get(e) )
+ return false;
+
+ bool any=false;
+ for(lr_l::iterator i=_llist.begin();i!=_llist.end();)
+ {
+ if(i->listener()!=l || i->bubble()!=b)
+ any|=i->get(e);
+ else
+ {
+ i->reset(e);
+ if(i->empty())
+ {
+ i=_llist.erase(i);
+ continue;
+ }
+ }
+ ++i;
+ }
+ if(!any)
+ unask_for_event(e);
+}
+
+
+void EventObj::hook_manager(libvlc_event_manager_t *em,
+ libvlc_callback_t cb, void *udata)
+{
+ _em = em; _cb = cb; _ud = udata;
+ if( !_em )
+ return;
+ for(size_t i=0;i<maxbit();++i)
+ if(get(i))
+ libvlc_event_attach(_em, i, _cb, _ud);
+}
+
+void EventObj::unhook_manager()
+{
+ if( !_em )
+ return;
+ for(size_t i=0;i<maxbit();++i)
+ if(get(i))
+ libvlc_event_detach(_em, i, _cb, _ud);
+}
+
+
+bool EventObj::ask_for_event(event_t e)
+{
+ return _em?0==libvlc_event_attach(_em, e, _cb, _ud):false;
+}
+
+
+void EventObj::unask_for_event(event_t e)
+{
+ if(_em) libvlc_event_detach(_em, e, _cb, _ud);
+}
+
+
NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
{
/* prepare VLC command line */
/* new APIs */
p_scriptClass = RuntimeNPClass<LibvlcRootNPObject>::getClass();
- if (pthread_mutex_init(&mutex, NULL) != 0)
+ if( !events.init() )
return NPERR_GENERIC_ERROR;
return NPERR_NO_ERROR;
free(psz_text);
if( libvlc_media_player )
+ {
+ events.unhook_manager();
libvlc_media_player_release( libvlc_media_player );
+ }
if( libvlc_media_list )
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);
}
/*****************************************************************************
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);
if( libvlc_media_player )
{
+ events.unhook_manager();
libvlc_media_player_release( libvlc_media_player );
libvlc_media_player = NULL;
}
if( libvlc_media_player )
{
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);
-
+ events.hook_manager(
+ libvlc_media_player_event_manager(libvlc_media_player),
+ event_callback, this);
}
libvlc_media_release( p_m );
#define __VLCPLUGIN_H__
#include <vlc/vlc.h>
+#include <pthread.h>
#include <npapi.h>
#include <vector>
+
#include "control/nporuntime.h"
#if !defined(XP_MACOSX) && !defined(XP_UNIX) && !defined(XP_WIN)
enum { bmax=M, bpu=1<<shift, mask=bpu-1, units=(bmax+bpu-1)/bpu };
bitu_t bits[units];
public:
- bool get(size_t idx) const
- {
- return bits[idx>>shift]&(1<<(idx&mask));
- }
-
+ bool get(size_t idx) const { return bits[idx>>shift]&(1<<(idx&mask)); }
void set(size_t idx) { bits[idx>>shift]|= 1<<(idx&mask); }
void reset(size_t idx) { bits[idx>>shift]&=~(1<<(idx&mask)); }
void toggle(size_t idx) { bits[idx>>shift]^= 1<<(idx&mask); }
void clear() { memset(bits,0,sizeof(bits)); }
bitmap() { clear(); }
~bitmap() { }
+ bool empty() const { // naive invert() will break this
+ for(size_t i=0;i<units;++i)
+ if(bits[i]) return false;
+ return true;
+ }
};
-typedef bitmap<libvlc_num_event_types> parent;
+typedef bitmap<libvlc_num_event_types> eventtypes_bitmap_t;
-class eventtypes_bitmap_t: private bitmap<libvlc_num_event_types> {
+
+class EventObj: private eventtypes_bitmap_t
+{
private:
typedef libvlc_event_type_t event_t;
- event_t find_event(const char *s) const
- {
- event_t i;
- for(i=0;i<maxbit();++i)
- if(!strcmp(s,libvlc_event_type_name(i)))
- break;
- return i;
- }
-public:
- bool add_event(const eventtypes_bitmap_t &eventBitmap)
- {
- event_t i;
- for(i=0;i<maxbit();++i)
- if (eventBitmap.have_event(i))
- set(i);
- }
- bool add_event(const char *s)
- {
- if (!strcmp(s, "all"))
- {
- set_all_events();
- return true;
- }
- if (!strcmp(s, "none"))
- {
- clear();
- return true;
- }
+ bool have_event(event_t e) const { return e<maxbit()?get(e):false; }
- event_t event = find_event(s);
- bool b = event<maxbit();
- if(b) set(event);
- return b;
- }
- bool del_event(const char *s)
- {
- event_t event=find_event(s);
- bool b=event<maxbit();
- if(b) reset(event);
- return b;
- }
- bool have_event(libvlc_event_type_t event) const
- {
- return event<maxbit()?get(event):false;
- }
- void clear()
+ class Listener: public eventtypes_bitmap_t
{
- parent::clear();
- }
- void set_all_events()
- {
- event_t i;
- for(i=0;i<maxbit();++i)
- set(i);
- }
-};
+ public:
+ Listener(event_t e,NPObject *o,bool b): _l(o), _b(b)
+ { NPN_RetainObject(o); set(e); }
+ Listener(): _l(NULL), _b(false) { }
+ ~Listener() { if(_l) NPN_ReleaseObject(_l); }
+ NPObject *listener() const { return _l; }
+ bool bubble() const { return _b; }
+ private:
+ NPObject *_l;
+ bool _b;
+ };
+
+ libvlc_event_manager_t *_em;
+ libvlc_callback_t _cb;
+ void *_ud;
+public:
+ EventObj(): _em(NULL) { /* deferred to init() */ }
+ bool init() { return pthread_mutex_init(&mutex, NULL) == 0; }
+ ~EventObj() { pthread_mutex_destroy(&mutex); }
+
+ void deliver(NPP browser);
+ void callback(const libvlc_event_t*);
+ bool insert(const NPString &, NPObject *, bool);
+ bool remove(const NPString &, NPObject *, bool);
+ void unhook_manager();
+ void hook_manager(libvlc_event_manager_t *,libvlc_callback_t, void *);
+private:
+ event_t find_event(const char *s) const;
+ typedef std::vector<Listener> lr_l;
+ typedef std::vector<libvlc_event_type_t> ev_l;
+ lr_l _llist;
+ ev_l _elist;
+ pthread_mutex_t mutex;
-// Structure used to represent an EventListener.
-// It contains the listener object that will be invoked,
-// An Id given by the addEventListener function and sent
-// when invoking the listener. Can be anything or nothing.
-// The profile associated with the listener used to invoke
-// the listener only to some events.
-typedef struct s_EventListener
-{
- NPObject *listener;
- NPVariant id;
- eventtypes_bitmap_t eventMap;
-
-} EventListener;
+ bool ask_for_event(event_t e);
+ void unask_for_event(event_t e);
+};
-void event_callback(const libvlc_event_t* event, void *param);
class VlcPlugin
{
bool player_has_vout( libvlc_exception_t * );
- // Events related members
- std::vector<EventListener*> eventListeners; // List of registered listerners.
- std::vector<libvlc_event_type_t> eventList; // List of event sent by VLC that must be returned to JS.
- eventtypes_bitmap_t eventToCatch;
- pthread_mutex_t mutex;
-
static bool canUseEventListener();
+ EventObj events;
private:
bool playlist_select(int,libvlc_exception_t *);
void set_player_window();
int i_last_position;
#endif
+
+ static void eventAsync(void *);
+ static void event_callback(const libvlc_event_t *, void *);
};
/*******************************************************************************