1 /*****************************************************************************
2 * extensions_manager.cpp: Extensions manager for Qt
3 ****************************************************************************
4 * Copyright (C) 2009-2010 VideoLAN and authors
7 * Authors: Jean-Philippe André < jpeg # 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 "extensions_manager.hpp"
25 #include "input_manager.hpp"
26 #include "dialogs/extensions.hpp"
28 #include <vlc_modules.h>
33 #include <QSignalMapper>
36 #define MENU_MAP(a,e) ((uint32_t)( (((uint16_t)a) << 16) | ((uint16_t)e) ))
37 #define MENU_GET_ACTION(a) ( (uint16_t)( ((uint32_t)a) >> 16 ) )
38 #define MENU_GET_EXTENSION(a) ( (uint16_t)( ((uint32_t)a) & 0xFFFF ) )
40 ExtensionsManager* ExtensionsManager::instance = NULL;
42 ExtensionsManager::ExtensionsManager( intf_thread_t *_p_intf, QObject *parent )
43 : QObject( parent ), p_intf( _p_intf ), p_extensions_manager( NULL )
46 assert( ExtensionsManager::instance == NULL );
49 menuMapper = new QSignalMapper( this );
50 CONNECT( menuMapper, mapped( int ), this, triggerMenu( int ) );
51 CONNECT( THEMIM->getIM(), statusChanged( int ), this, playingChanged( int ) );
52 DCONNECT( THEMIM, inputChanged( input_thread_t* ),
53 this, inputChanged( input_thread_t* ) );
58 ExtensionsManager::~ExtensionsManager()
60 msg_Dbg( p_intf, "Killing extension dialog provider" );
61 ExtensionsDialogProvider::killInstance();
62 if( p_extensions_manager )
64 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
65 vlc_object_release( p_extensions_manager );
69 bool ExtensionsManager::loadExtensions()
71 if( !p_extensions_manager )
73 p_extensions_manager = ( extensions_manager_t* )
74 vlc_object_create( p_intf, sizeof( extensions_manager_t ) );
75 if( !p_extensions_manager )
78 emit extensionsUpdated();
81 vlc_object_attach( p_extensions_manager, p_intf );
83 p_extensions_manager->p_module =
84 module_need( p_extensions_manager, "extension", NULL, false );
86 if( !p_extensions_manager->p_module )
88 msg_Err( p_intf, "Unable to load extensions module" );
89 vlc_object_release( p_extensions_manager );
90 p_extensions_manager = NULL;
92 emit extensionsUpdated();
96 /* Initialize dialog provider */
97 p_edp = ExtensionsDialogProvider::getInstance( p_intf,
98 p_extensions_manager );
101 msg_Err( p_intf, "Unable to create dialogs provider for extensions" );
102 module_unneed( p_extensions_manager,
103 p_extensions_manager->p_module );
104 vlc_object_release( p_extensions_manager );
105 p_extensions_manager = NULL;
107 emit extensionsUpdated();
113 emit extensionsUpdated();
117 void ExtensionsManager::unloadExtensions()
119 if( !p_extensions_manager )
122 ExtensionsDialogProvider::killInstance();
123 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
124 vlc_object_release( p_extensions_manager );
125 p_extensions_manager = NULL;
128 void ExtensionsManager::reloadExtensions()
132 emit extensionsUpdated();
135 void ExtensionsManager::menu( QMenu *current )
137 assert( current != NULL );
140 // This case can happen: do nothing
144 vlc_mutex_lock( &p_extensions_manager->lock );
147 extension_t *p_ext = NULL;
149 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
151 bool b_Active = extension_IsActivated( p_extensions_manager, p_ext );
153 if( b_Active && extension_HasMenu( p_extensions_manager, p_ext ) )
155 QMenu *submenu = new QMenu( qfu( p_ext->psz_title ), current );
156 char **ppsz_titles = NULL;
157 uint16_t *pi_ids = NULL;
159 action = current->addMenu( submenu );
161 action->setCheckable( true );
162 action->setChecked( true );
164 if( extension_GetMenu( p_extensions_manager, p_ext,
165 &ppsz_titles, &pi_ids ) == VLC_SUCCESS )
167 for( int i = 0; ppsz_titles[i] != NULL; ++i )
170 action = submenu->addAction( qfu( ppsz_titles[i] ) );
171 menuMapper->setMapping( action,
172 MENU_MAP( pi_ids[i], i_ext ) );
173 CONNECT( action, triggered(), menuMapper, map() );
174 free( ppsz_titles[i] );
178 action = submenu->addAction( qtr( "Empty" ) );
179 action->setEnabled( false );
186 msg_Warn( p_intf, "Could not get menu for extension '%s'",
188 action = submenu->addAction( qtr( "Empty" ) );
189 action->setEnabled( false );
192 submenu->addSeparator();
193 action = submenu->addAction( QIcon( ":/menu/quit" ),
194 qtr( "Deactivate" ) );
195 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
196 CONNECT( action, triggered(), menuMapper, map() );
200 action = current->addAction( qfu( p_ext->psz_title ) );
201 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
202 CONNECT( action, triggered(), menuMapper, map() );
204 if( !extension_TriggerOnly( p_extensions_manager, p_ext ) )
206 action->setCheckable( true );
207 action->setChecked( b_Active );
214 vlc_mutex_unlock( &p_extensions_manager->lock );
217 void ExtensionsManager::triggerMenu( int id )
219 uint16_t i_ext = MENU_GET_EXTENSION( id );
220 uint16_t i_action = MENU_GET_ACTION( id );
222 vlc_mutex_lock( &p_extensions_manager->lock );
224 if( (int) i_ext > p_extensions_manager->extensions.i_size )
226 msg_Dbg( p_intf, "can't trigger extension with wrong id %d",
231 extension_t *p_ext = ARRAY_VAL( p_extensions_manager->extensions, i_ext );
232 assert( p_ext != NULL);
234 vlc_mutex_unlock( &p_extensions_manager->lock );
238 msg_Dbg( p_intf, "activating or triggering extension '%s'",
241 if( extension_TriggerOnly( p_extensions_manager, p_ext ) )
243 extension_Trigger( p_extensions_manager, p_ext );
247 if( !extension_IsActivated( p_extensions_manager, p_ext ) )
248 extension_Activate( p_extensions_manager, p_ext );
250 extension_Deactivate( p_extensions_manager, p_ext );
255 msg_Dbg( p_intf, "triggering extension '%s', on menu with id = 0x%x",
256 p_ext->psz_title, i_action );
258 extension_TriggerMenu( p_extensions_manager, p_ext, i_action );
262 void ExtensionsManager::inputChanged( input_thread_t* p_input )
264 //This is unlikely, but can happen if no extension modules can be loaded.
265 if ( p_extensions_manager == NULL )
267 vlc_mutex_lock( &p_extensions_manager->lock );
270 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
272 if( extension_IsActivated( p_extensions_manager, p_ext ) )
274 extension_SetInput( p_extensions_manager, p_ext, p_input );
279 vlc_mutex_unlock( &p_extensions_manager->lock );
282 void ExtensionsManager::playingChanged( int state )
284 //This is unlikely, but can happen if no extension modules can be loaded.
285 if ( p_extensions_manager == NULL )
287 vlc_mutex_lock( &p_extensions_manager->lock );
290 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
292 if( extension_IsActivated( p_extensions_manager, p_ext ) )
294 extension_PlayingChanged( p_extensions_manager, p_ext, state );
299 vlc_mutex_unlock( &p_extensions_manager->lock );