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, inputChanged( input_thread_t* ),
51 this, inputChanged( input_thread_t* ) );
56 ExtensionsManager::~ExtensionsManager()
58 msg_Dbg( p_intf, "Killing extension dialog provider" );
59 ExtensionsDialogProvider::killInstance();
60 if( p_extensions_manager )
62 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
63 vlc_object_release( p_extensions_manager );
67 bool ExtensionsManager::loadExtensions()
69 if( !p_extensions_manager )
71 p_extensions_manager = ( extensions_manager_t* )
72 vlc_object_create( p_intf, sizeof( extensions_manager_t ) );
73 if( !p_extensions_manager )
76 emit extensionsUpdated();
79 vlc_object_attach( p_extensions_manager, p_intf );
81 p_extensions_manager->p_module =
82 module_need( p_extensions_manager, "extension", NULL, false );
84 if( !p_extensions_manager->p_module )
86 msg_Err( p_intf, "Unable to load extensions module" );
87 vlc_object_release( p_extensions_manager );
88 p_extensions_manager = NULL;
90 emit extensionsUpdated();
94 /* Initialize dialog provider */
95 p_edp = ExtensionsDialogProvider::getInstance( p_intf,
96 p_extensions_manager );
99 msg_Err( p_intf, "Unable to create dialogs provider for extensions" );
100 module_unneed( p_extensions_manager,
101 p_extensions_manager->p_module );
102 vlc_object_release( p_extensions_manager );
103 p_extensions_manager = NULL;
105 emit extensionsUpdated();
111 emit extensionsUpdated();
115 void ExtensionsManager::unloadExtensions()
117 if( !p_extensions_manager )
120 module_unneed( p_extensions_manager, p_extensions_manager->p_module );
121 vlc_object_release( p_extensions_manager );
122 p_extensions_manager = NULL;
123 emit extensionsUpdated();
124 ExtensionsDialogProvider::killInstance();
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 ) );
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() );
176 action = submenu->addAction( qtr( "Empty" ) );
177 action->setEnabled( false );
182 msg_Warn( p_intf, "Could not get menu for extension '%s'",
184 action = submenu->addAction( qtr( "Empty" ) );
185 action->setEnabled( false );
188 submenu->addSeparator();
189 action = submenu->addAction( QIcon( ":/menu/quit" ),
190 qtr( "Deactivate" ) );
191 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
192 CONNECT( action, triggered(), menuMapper, map() );
196 action = current->addAction( qfu( p_ext->psz_title ) );
197 menuMapper->setMapping( action, MENU_MAP( 0, i_ext ) );
198 CONNECT( action, triggered(), menuMapper, map() );
200 if( !extension_TriggerOnly( p_extensions_manager, p_ext ) )
202 action->setCheckable( true );
203 action->setChecked( b_Active );
210 vlc_mutex_unlock( &p_extensions_manager->lock );
213 void ExtensionsManager::triggerMenu( int id )
215 uint16_t i_ext = MENU_GET_EXTENSION( id );
216 uint16_t i_action = MENU_GET_ACTION( id );
218 vlc_mutex_lock( &p_extensions_manager->lock );
220 if( (int) i_ext > p_extensions_manager->extensions.i_size )
222 msg_Dbg( p_intf, "can't trigger extension with wrong id %d",
227 extension_t *p_ext = ARRAY_VAL( p_extensions_manager->extensions, i_ext );
228 assert( p_ext != NULL);
230 vlc_mutex_unlock( &p_extensions_manager->lock );
234 msg_Dbg( p_intf, "activating or triggering extension '%s'",
237 if( extension_TriggerOnly( p_extensions_manager, p_ext ) )
239 extension_Trigger( p_extensions_manager, p_ext );
243 if( !extension_IsActivated( p_extensions_manager, p_ext ) )
244 extension_Activate( p_extensions_manager, p_ext );
246 extension_Deactivate( p_extensions_manager, p_ext );
251 msg_Dbg( p_intf, "triggering extension '%s', on menu with id = 0x%x",
252 p_ext->psz_title, i_action );
254 extension_TriggerMenu( p_extensions_manager, p_ext, i_action );
258 void ExtensionsManager::inputChanged( input_thread_t* p_input )
260 vlc_mutex_lock( &p_extensions_manager->lock );
263 FOREACH_ARRAY( p_ext, p_extensions_manager->extensions )
265 if( extension_IsActivated( p_extensions_manager, p_ext ) )
267 extension_SetInput( p_extensions_manager, p_ext, p_input );
272 vlc_mutex_unlock( &p_extensions_manager->lock );