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"
32 #include <QSignalMapper>
35 #define MENU_MAP(a,e) ((uint32_t)( (((uint16_t)a) << 16) | ((uint16_t)e) ))
36 #define MENU_GET_ACTION(a) ( (uint16_t)( ((uint32_t)a) >> 16 ) )
37 #define MENU_GET_EXTENSION(a) ( (uint16_t)( ((uint32_t)a) & 0xFFFF ) )
39 ExtensionsManager* ExtensionsManager::instance = NULL;
41 ExtensionsManager::ExtensionsManager( intf_thread_t *_p_intf, QObject *parent )
42 : QObject( parent ), p_intf( _p_intf ), p_extensions_manager( NULL )
45 assert( ExtensionsManager::instance == NULL );
48 menuMapper = new QSignalMapper( this );
49 CONNECT( menuMapper, mapped( int ), this, triggerMenu( int ) );
50 CONNECT( THEMIM->getIM(), statusChanged( int ), this, playingChanged( int ) );
51 DCONNECT( THEMIM, inputChanged( input_thread_t* ),
52 this, inputChanged( input_thread_t* ) );
57 ExtensionsManager::~ExtensionsManager()
59 msg_Dbg( p_intf, "Killing extension dialog provider" );
60 ExtensionsDialogProvider::killInstance();
61 if( p_extensions_manager )
63 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
64 vlc_object_release( p_extensions_manager );
68 bool ExtensionsManager::loadExtensions()
70 if( !p_extensions_manager )
72 p_extensions_manager = ( extensions_manager_t* )
73 vlc_object_create( p_intf, sizeof( extensions_manager_t ) );
74 if( !p_extensions_manager )
77 emit extensionsUpdated();
80 vlc_object_attach( p_extensions_manager, p_intf );
82 p_extensions_manager->p_module =
83 module_need( p_extensions_manager, "extension", NULL, false );
85 if( !p_extensions_manager->p_module )
87 msg_Err( p_intf, "Unable to load extensions module" );
88 vlc_object_release( p_extensions_manager );
89 p_extensions_manager = NULL;
91 emit extensionsUpdated();
95 /* Initialize dialog provider */
96 p_edp = ExtensionsDialogProvider::getInstance( p_intf,
97 p_extensions_manager );
100 msg_Err( p_intf, "Unable to create dialogs provider for extensions" );
101 module_unneed( p_extensions_manager,
102 p_extensions_manager->p_module );
103 vlc_object_release( p_extensions_manager );
104 p_extensions_manager = NULL;
106 emit extensionsUpdated();
112 emit extensionsUpdated();
116 void ExtensionsManager::unloadExtensions()
118 if( !p_extensions_manager )
121 ExtensionsDialogProvider::killInstance();
122 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
123 vlc_object_release( p_extensions_manager );
124 p_extensions_manager = NULL;
127 void ExtensionsManager::reloadExtensions()
131 emit extensionsUpdated();
134 void ExtensionsManager::menu( QMenu *current )
136 assert( current != NULL );
139 // This case can happen: do nothing
143 vlc_mutex_lock( &p_extensions_manager->lock );
146 extension_t *p_ext = NULL;
148 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
150 bool b_Active = extension_IsActivated( p_extensions_manager, p_ext );
152 if( b_Active && extension_HasMenu( p_extensions_manager, p_ext ) )
154 QMenu *submenu = new QMenu( qfu( p_ext->psz_title ), current );
155 char **ppsz_titles = NULL;
156 uint16_t *pi_ids = NULL;
158 action = current->addMenu( submenu );
160 action->setCheckable( true );
161 action->setChecked( true );
163 if( extension_GetMenu( p_extensions_manager, p_ext,
164 &ppsz_titles, &pi_ids ) == VLC_SUCCESS )
166 for( int i = 0; ppsz_titles[i] != NULL; ++i )
169 action = submenu->addAction( qfu( ppsz_titles[i] ) );
170 menuMapper->setMapping( action,
171 MENU_MAP( pi_ids[i], i_ext ) );
172 CONNECT( action, triggered(), menuMapper, map() );
173 free( ppsz_titles[i] );
177 action = submenu->addAction( qtr( "Empty" ) );
178 action->setEnabled( false );
185 msg_Warn( p_intf, "Could not get menu for extension '%s'",
187 action = submenu->addAction( qtr( "Empty" ) );
188 action->setEnabled( false );
191 submenu->addSeparator();
192 action = submenu->addAction( QIcon( ":/menu/quit" ),
193 qtr( "Deactivate" ) );
194 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
195 CONNECT( action, triggered(), menuMapper, map() );
199 action = current->addAction( qfu( p_ext->psz_title ) );
200 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
201 CONNECT( action, triggered(), menuMapper, map() );
203 if( !extension_TriggerOnly( p_extensions_manager, p_ext ) )
205 action->setCheckable( true );
206 action->setChecked( b_Active );
213 vlc_mutex_unlock( &p_extensions_manager->lock );
216 void ExtensionsManager::triggerMenu( int id )
218 uint16_t i_ext = MENU_GET_EXTENSION( id );
219 uint16_t i_action = MENU_GET_ACTION( id );
221 vlc_mutex_lock( &p_extensions_manager->lock );
223 if( (int) i_ext > p_extensions_manager->extensions.i_size )
225 msg_Dbg( p_intf, "can't trigger extension with wrong id %d",
230 extension_t *p_ext = ARRAY_VAL( p_extensions_manager->extensions, i_ext );
231 assert( p_ext != NULL);
233 vlc_mutex_unlock( &p_extensions_manager->lock );
237 msg_Dbg( p_intf, "activating or triggering extension '%s'",
240 if( extension_TriggerOnly( p_extensions_manager, p_ext ) )
242 extension_Trigger( p_extensions_manager, p_ext );
246 if( !extension_IsActivated( p_extensions_manager, p_ext ) )
247 extension_Activate( p_extensions_manager, p_ext );
249 extension_Deactivate( p_extensions_manager, p_ext );
254 msg_Dbg( p_intf, "triggering extension '%s', on menu with id = 0x%x",
255 p_ext->psz_title, i_action );
257 extension_TriggerMenu( p_extensions_manager, p_ext, i_action );
261 void ExtensionsManager::inputChanged( input_thread_t* p_input )
263 //This is unlikely, but can happen if no extension modules can be loaded.
264 if ( p_extensions_manager == NULL )
266 vlc_mutex_lock( &p_extensions_manager->lock );
269 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
271 if( extension_IsActivated( p_extensions_manager, p_ext ) )
273 extension_SetInput( p_extensions_manager, p_ext, p_input );
278 vlc_mutex_unlock( &p_extensions_manager->lock );
281 void ExtensionsManager::playingChanged( int state )
283 //This is unlikely, but can happen if no extension modules can be loaded.
284 if ( p_extensions_manager == NULL )
286 vlc_mutex_lock( &p_extensions_manager->lock );
289 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
291 if( extension_IsActivated( p_extensions_manager, p_ext ) )
293 extension_PlayingChanged( p_extensions_manager, p_ext, state );
298 vlc_mutex_unlock( &p_extensions_manager->lock );