1 /*****************************************************************************
2 * input_manager.cpp : Manage an input and interact with its GUI elements
3 ****************************************************************************
4 * Copyright (C) 2000-2005 the VideoLAN team
5 * $Id: wxwidgets.cpp 15731 2006-05-25 14:43:53Z zorglub $
7 * Authors: Clément Stenac <zorglub@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #include "input_manager.hpp"
25 #include "dialogs_provider.hpp"
28 /**********************************************************************
29 * InputManager implementation
30 **********************************************************************/
32 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
33 QObject( parent ), p_intf( _p_intf )
36 /* Subscribe to updates */
37 connect( DialogsProvider::getInstance( p_intf )->fixed_timer,
38 SIGNAL( timeout() ), this, SLOT( update() ) );
41 InputManager::~InputManager()
45 void InputManager::setInput( input_thread_t *_p_input )
48 emit positionUpdated( 0.0,0,0 );
51 void InputManager::update()
53 /// \todo Emit the signals only if it changed
54 if( !p_input || p_input->b_die ) return;
58 emit positionUpdated( 0.0, 0, 0 );
59 emit navigationChanged( 0 );
60 emit statusChanged( 0 ); // 0 = STOPPED, 1 = PAUSE, 2 = PLAY
64 mtime_t i_length, i_time;
66 i_length = var_GetTime( p_input, "length" ) / 1000000;
67 i_time = var_GetTime( p_input, "time") / 1000000;
68 f_pos = var_GetFloat( p_input, "position" );
69 emit positionUpdated( f_pos, i_time, i_length );
71 /* Update disc status */
73 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
77 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
79 emit navigationChanged( 1 ); // 1 = chapter, 2 = title, 3 = NO
81 emit navigationChanged( 2 );
85 emit navigationChanged( 0 );
90 if( p_input->input.p_item->p_meta &&
91 p_input->input.p_item->p_meta->psz_nowplaying &&
92 *p_input->input.p_item->p_meta->psz_nowplaying )
94 text.sprintf( "%s - %s",
95 p_input->input.p_item->p_meta->psz_nowplaying,
96 p_input->input.p_item->psz_name );
100 text.sprintf( "%s", p_input->input.p_item->psz_name );
102 emit nameChanged( text );
106 void InputManager::sliderUpdate( float new_pos )
108 if( p_input && !p_input->b_die && !p_input->b_dead )
109 var_SetFloat( p_input, "position", new_pos );
112 /**********************************************************************
113 * MainInputManager implementation. Wrap an input manager and
114 * take care of updating the main playlist input
115 **********************************************************************/
116 MainInputManager * MainInputManager::instance = NULL;
118 MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
122 im = new InputManager( this, p_intf );
123 /* Get timer updates */
124 connect( DialogsProvider::getInstance(p_intf)->fixed_timer,
125 SIGNAL(timeout() ), this, SLOT( updateInput() ) );
126 /* Warn our embedded IM about input changes */
127 connect( this, SIGNAL( inputChanged( input_thread_t * ) ),
128 im, SLOT( setInput( input_thread_t * ) ) );
131 void MainInputManager::updateInput()
133 vlc_mutex_lock( &p_intf->change_lock );
134 if( p_input && p_input->b_dead )
136 vlc_object_release( p_input );
138 emit inputChanged( NULL );
143 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
144 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
145 assert( p_playlist );
147 p_input = p_playlist->p_input;
150 vlc_object_yield( p_input );
151 emit inputChanged( p_input );
154 vlc_object_release( p_playlist );
156 vlc_mutex_unlock( &p_intf->change_lock );