avmedia/source/vlc/wrapper/EventManager.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <wrapper/EventManager.hxx>
  11 #include "SymbolLoader.hxx"
  12 #include <wrapper/EventHandler.hxx>
  13 #include "Types.hxx"
  14
  15 namespace
  16 {
  17     libvlc_event_manager_t* ( *libvlc_media_player_event_manager ) ( libvlc_media_player_t *p_mi );
  18     int ( *libvlc_event_attach ) ( libvlc_event_manager_t *p_event_manager,
  19                                    libvlc_event_type_t i_event_type,
  20                                    libvlc_callback_t f_callback,
  21                                    void *user_data );
  22     void ( *libvlc_event_detach ) ( libvlc_event_manager_t *p_event_manager,
  23                                     libvlc_event_type_t i_event_type,
  24                                     libvlc_callback_t f_callback,
  25                                     void *p_user_data );
  26 }
  27
  28 namespace avmedia
  29 {
  30 namespace vlc
  31 {
  32 namespace wrapper
  33 {
  34 void EventManager::Handler( const libvlc_event_t *event, void *pData )
  35 {
  36     EventManager *instance = static_cast<EventManager*>( pData );
  37     switch ( event->type )
  38     {
  39     case libvlc_MediaPlayerPaused:
  40         instance->mEventHandler.mCallbackQueue.push( instance->mOnPaused );
  41         break;
  42     case libvlc_MediaPlayerEndReached:
  43         instance->mEventHandler.mCallbackQueue.push( instance->mOnEndReached );
  44         break;
  45     }
  46 }
  47
  48 bool EventManager::LoadSymbols()
  49 {
  50     static ApiMap const VLC_EVENT_MANAGER_API[] =
  51     {
  52         SYM_MAP( libvlc_media_player_event_manager ),
  53         SYM_MAP( libvlc_event_attach ),
  54         SYM_MAP( libvlc_event_detach )
  55     };
  56
  57     return InitApiMap( VLC_EVENT_MANAGER_API );
  58 }
  59
  60 EventManager::EventManager( Player& player, EventHandler& eh )
  61     : mEventHandler( eh )
  62     , mManager( libvlc_media_player_event_manager( player ) )
  63 {
  64
  65 }
  66
  67 void EventManager::registerSignal( int signal, const Callback& callback )
  68 {
  69     if ( !callback )
  70         libvlc_event_detach( mManager, signal, Handler, this );
  71     else
  72         libvlc_event_attach( mManager, signal, Handler, this );
  73 }
  74
  75 void EventManager::onPaused( const EventManager::Callback& callback )
  76 {
  77     mOnPaused = callback;
  78     registerSignal( libvlc_MediaPlayerPaused, callback );
  79 }
  80
  81 void EventManager::onEndReached( const Callback& callback )
  82 {
  83     mOnEndReached = callback;
  84     registerSignal( libvlc_MediaPlayerEndReached, callback );
  85 }
  86 }
  87 }
  88 }
  89
  90 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */