//================================================================================= bool PluginManager::ProcessAllPlugins( PluginProcessor* pluginProcessor ) { for( PluginList::iterator iter = pluginList.begin(); iter != pluginList.end(); iter++ ) { Plugin* plugin = *iter; if( !pluginProcessor->ProcessPlugin( plugin->GetEventHandler(), plugin->GetLibraryPath() ) ) return false; } return true; }
//================================================================================= bool PluginManager::LoadPlugin( const Cornucopia::Path& libraryPath ) { bool success = false; Plugin* plugin = 0; do { // Make sure that the plugin is not already loaded. if( FindPlugin( libraryPath ) ) { wxMessageBox( wxString::Format( wxT( "The plugin \"%s\" is already loaded." ), ( const char* )libraryPath ), wxT( "Error" ), wxOK | wxCENTRE ); break; } // Create a new plugin object to represent the plugin in our list. plugin = new ( std::nothrow ) Plugin(); if( !plugin ) break; // Attempt to load the plugin library. if( !plugin->Load( libraryPath ) ) break; // Attempt to initialize the plugin. CornucopiaEditor::Plugin* eventHandler = plugin->GetEventHandler(); if( !eventHandler->Initialize( &assistant ) ) { wxMessageBox( wxString::Format( wxT( "The plugin \"%s\" failed to initialize." ), ( const char* )libraryPath ), wxT( "Error" ), wxOK | wxCENTRE ); break; } // Send the first event to the plugin. PluginEvent event; event.SetEventObject(0); event.SetEventType( CORNUCOPIA_PLUGIN_INITIALIZE ); ( void )CallPlugin( plugin, event ); // We made it threw the gauntlet! success = true; } while( false ); // Discard or keep the plugin. if( !success ) delete plugin; else pluginList.push_back( plugin ); return success; }
//================================================================================= bool PluginManager::UnloadPlugin( PluginList::iterator& iter ) { // Remove the plugin from our list. Plugin* plugin = *iter; pluginList.erase( iter ); // Send the last event to the plugin. PluginEvent event; event.SetEventObject(0); event.SetEventType( CORNUCOPIA_PLUGIN_FINALIZE ); ( void )CallPlugin( plugin, event ); // We can now dispose of the plugin. plugin->GetEventHandler()->Finalize( &assistant ); plugin->Unload(); delete plugin; return true; }