| -rw-r--r-- | libopie2/opiecore/opluginloader.cpp | 369 | ||||
| -rw-r--r-- | libopie2/opiecore/opluginloader.h | 59 |
2 files changed, 395 insertions, 33 deletions
diff --git a/libopie2/opiecore/opluginloader.cpp b/libopie2/opiecore/opluginloader.cpp index b473cd7..2aca382 100644 --- a/libopie2/opiecore/opluginloader.cpp +++ b/libopie2/opiecore/opluginloader.cpp @@ -13,2 +13,3 @@ #include <qtl.h> +#include <qfile.h> @@ -112,8 +113,12 @@ OPluginItem::OPluginItem() /** + * @todo Create Internal name so we can have the plugin names translated. Or only for the gui? I'm not yet sure * \brief Create an OPluginItem * - * Create a Plugin Item with all information. + * Create a Plugin Item with all information. If you for some reasons + * need to create your own OPluginItems make sure that 'name' is always the same + * as it if used for positions and exclude list. * * @param name The if available translated Name - * @param path The path to the plugin + * @param path The path to the plugin must be absolute. + * @param b If the OPluginItem is enabled or not * @param pos The position of the plugin if used for sorting @@ -121,5 +126,5 @@ OPluginItem::OPluginItem() */ -OPluginItem::OPluginItem( const QString& name, const QString& path, int pos ) - : m_name( name ), m_path( path ), m_pos( pos ) { -} +OPluginItem::OPluginItem( const QString& name, const QString& path, bool b, int pos ) + : m_name( name ), m_path( path ), m_enabled( b ), m_pos( pos ) +{} @@ -132,2 +137,20 @@ OPluginItem::~OPluginItem() { /** + * \brief Test if this Item is Empty and does not represent a loadable plugin + * Test if a OPluginItem is empty. A OPluginItem is empty if name and path are empty + * ,pos equals -1 and the item is disabled + * + * @see QString::isEmpty() + * + */ +bool OPluginItem::isEmpty()const { + if ( m_pos != -1 ) return false; + if ( m_enabled ) return false; + if ( !m_name.isEmpty() ) return false; + if ( !m_path.isEmpty() ) return false; + + return true; +} + +/** + * \brief test equality * operator to test equalness of two OPluginItem @@ -135,5 +158,6 @@ OPluginItem::~OPluginItem() { bool OPluginItem::operator==( const OPluginItem& r )const{ - if ( m_pos != r.m_pos ) return false; - if ( m_name != r.m_name ) return false; - if ( m_path != r.m_path ) return false; + if ( m_pos != r.m_pos ) return false; + if ( m_enabled != r.m_enabled) return false; + if ( m_name != r.m_name ) return false; + if ( m_path != r.m_path ) return false; return true; @@ -141,2 +165,6 @@ bool OPluginItem::operator==( const OPluginItem& r )const{ +/** + * \brief test non equality + * operator to test non-equalness of two OPluginItem + */ bool OPluginItem::operator!=( const OPluginItem& r )const{ @@ -146,2 +174,3 @@ bool OPluginItem::operator!=( const OPluginItem& r )const{ /** + * \brief returns the name of the plugin * return the name of this Plugin @@ -153,3 +182,3 @@ QString OPluginItem::name()const { /** - * return the path of the plugin + * \brief return the path of the plugin */ @@ -159,2 +188,19 @@ QString OPluginItem::path()const { +/** + * \brief Return if this item is enabled. + */ +bool OPluginItem::isEnabled()const { + return m_enabled; +} + +/** + * \brief return the position of a plugin. + * return the position of the item + * -1 is the default value and means normally that the whole items are unsorted. + * Higher numbers belong to an upper position. With plugins with the postions 20,19,5,3 + * the item with pos 20 would be the first in the list returned by the OGenericPluginLoader + * + * @see OGenericPluginLoader::allAvailable + * @see OGenericPluginLoader::filtered + */ int OPluginItem::position()const{ @@ -164,2 +210,3 @@ int OPluginItem::position()const{ /** + * \brief set the name of a plugin * Set the name of the Plugin Item @@ -172,3 +219,4 @@ void OPluginItem::setName( const QString& name ) { /** - * Set the path of Plugin Item + * \brief set the path of a plugin + * Set the path of Plugin Item. The path must be absolute. * @param name The path of the plugin @@ -180,4 +228,19 @@ void OPluginItem::setPath( const QString& name ) { /** + * \brief enable or disable the to load attribute + * Set the Enabled attribute. Such changes won't be saved. If you want to save it + * use a OPluginManager to configure your plugins manually or Opie::Ui::OPluginConfig + * for a graphical frontend. + * + * @param enabled Enable or Disable the Enabled Attribute + */ +void OPluginItem::setEnabled( bool enabled ) { + m_enabled = enabled; +} + +/** + * \brief Set the position. * Set the position * @param pos The position + * + * @see position() */ @@ -226,2 +289,4 @@ OGenericPluginLoader::OGenericPluginLoader( const QString& name, bool isSorted) /** + * \brief simple d'tor that cleans up depending on autoDelete + * * calls clear if autoDelete is true. This will release all interfaces @@ -235,2 +300,4 @@ OGenericPluginLoader::~OGenericPluginLoader() { /** + * \brief Enable or disable autoDelete on destruction + * * enable autoDelete. This will call clear on the d'tor @@ -245,3 +312,3 @@ void OGenericPluginLoader::setAutoDelete( bool t ) { /** - * see if autoDelet is enabled + * \brief See if autoDelete is enabled. */ @@ -252,2 +319,4 @@ bool OGenericPluginLoader::autoDelete()const{ /** + * \brief unload all loaded Plugins + * * This will unload all returned QUnknownInterfaces by load. Unload @@ -262,2 +331,4 @@ void OGenericPluginLoader::clear() { /** + * \brief unload the Plugin and the accompanied Resources. + * * This will take the iface from the internal QPtrDict, Release it, @@ -276,2 +347,14 @@ void OGenericPluginLoader::unload( QUnknownInterface* iface ) { /** + * \brief The name of the plugins. + * + * Return the name/type you specified in the constructor. + * This is at least used by the OPluginManager to find the right config + */ +QString OGenericPluginLoader::name()const { + return m_dir; +} + + +/** + * \brief See if loading of a plugin segfaulted * This tells you @@ -288,2 +371,3 @@ bool OGenericPluginLoader::isInSafeMode()const { /** + * \brief Return all Plugins found in the plugins dirs. * Return the list of all available plugins. This will go through all plugin @@ -304,2 +388,3 @@ OPluginItem::List OGenericPluginLoader::allAvailable( bool sorted )const { /** + * \brief Return only the enabled plugins * Return only activated plugins. @@ -320,3 +405,11 @@ OPluginItem::List OGenericPluginLoader::filtered( bool sorted )const { /** + * \brief Load a OPluginItem for the specified interface + * This will open the resource of the OPluginItem::path() and then will query + * if the Interface specified in the uuid is available and then will manage the + * resource and Interface. + * + * @param item The OPluginItem that should be loaded + * @param uuid The Interface to query for * + * @return Either 0 in case of failure or the Plugin as QUnknownInterface* */ @@ -360,3 +453,5 @@ QUnknownInterface* OGenericPluginLoader::load( const OPluginItem& item, const QU void OGenericPluginLoader::readConfig() { - /* read the config for SafeMode */ + + +/* read the config for SafeMode */ OConfig conf( m_dir + "-odpplugins" ); @@ -367,3 +462,3 @@ void OGenericPluginLoader::readConfig() { /** - * Enter or leave SafeMode + * @internal Enter or leave SafeMode */ @@ -422,3 +517,7 @@ QString OGenericPluginLoader::unlibify( const QString& str ) { /** - * Return a List of Plugins for a dir and add positions and remove disabled. + * @internal + * + * \brief method to return available plugins. Internal and for reeimplementations + * + *Return a List of Plugins for a dir and add positions and remove disabled. * If a plugin is on the excluded list assign position -2 @@ -475,3 +574,3 @@ OPluginItem::List OGenericPluginLoader::plugins( const QString& _dir, bool sorte /* - * if disabled but we should show all assign a -2 + * if disabled but we should show all mark it as disabled * else continue because we don't want to add the item @@ -480,3 +579,3 @@ OPluginItem::List OGenericPluginLoader::plugins( const QString& _dir, bool sorte if ( ex && !disabled) - item.setPosition( -2 ); + item.setEnabled( false ); else if ( ex && disabled ) @@ -516,2 +615,6 @@ QStringList OGenericPluginLoader::languageList() { +/** + * @internal + * Tries to install languages using the languageList for the type + */ void OGenericPluginLoader::installTranslators(const QString& type) { @@ -537,3 +640,237 @@ void OGenericPluginLoader::installTranslators(const QString& type) { +/** + * \brief Simple c'tor. + * + * Simple C'tor same as the one of the base class. Additional this + * class can cast for you if you nee it. + * + * + * @param name The name of your plugin class + * @param sorted If plugins are sorted + * + * @see OGenericPluginLoader + */ +OPluginLoader::OPluginLoader( const QString& name, bool sorted ) + : OGenericPluginLoader( name, sorted ) +{ +} + +/** + * d'tor + * @see OGenericPluginLoader::~OGenericPluginLoader + */ +OPluginLoader::~OPluginLoader() { +} + +/** + * \brief C'Tor using a OGenericPluginLoader + * The C'tor. Pass your OGenericPluginLoader to manage + * OGenericPluginLoader::allAvailable plugins. + * + * + * @param loader A Pointer to your OGenericPluginLoader + * @param name The name + */ +OPluginManager::OPluginManager( OGenericPluginLoader* loader) + : m_loader( loader ) +{ +} + +/** + * \brief Overloaded c'tor using a List of Plugins and a type name + * Overloaded Constructor to work with a 'Type' of plugins + * and a correspending list of those. In this case calling load + * is a no operation. + * + * @param name The name of your plugin ('today','inputmethods','applets') + * @param lst A List with plugins of your type to manage + * @param isSorted If the List should be treated sorted + */ +OPluginManager::OPluginManager( const QString& name, const OPluginItem::List& lst, bool isSorted) + : m_loader( 0l ), m_cfgName( name ), m_plugins( lst ), m_isSorted( isSorted ) +{ +} + +/** + * \brief A simple d'tor + */ +OPluginManager::~OPluginManager() { +} + +/** + * \brief Return the OPluginItem where loading is likely to have crashed on. + * Return the Item that made the OGenericPluginLoader crash + * the returned OPluginItem could be empty if no crash occured + * which should apply most of the time. It could also be empty if the crashed + * plugin is not in the current list of available/managed plugins + * + * @see OPluginItem::isEmpty + * @return OPluginItem that crashed the loader + */ +OPluginItem OPluginManager::crashedPlugin()const { + return m_crashed; +} + +/** + * \brief Return a list of plugins that are managed by this OPluginManager + * + * Return the list of managed plugins. This could either result + * from passing a OGenericPluginLoader and calling load or by + * giving name and a list of plugins. + */ +OPluginItem::List OPluginManager::managedPlugins()const { + return m_plugins; +} + +/** + * \brief Set the position of the items + * + * Replace the OPluginItem with the name and path and this way + * apply the new position. The search is linear and this way O(n/2) + * You still need to call save() to make your changes effective. After saving + * a call to OGenericPluginLoader::filtered() returns the newly configured order and items + * + * @param item The OPluginItem to be replaced internall + * + */ +void OPluginManager::setPosition( const OPluginItem& item) { + replace( item ); +} + +/** + * \brief Enable the item specified as argument + * + * This will make sure that OPluginItem::setEnabled is called and then will replace + * the item with one that matches name and path internally. + * @see setPosition + * + * @param the Item to enable + */ +void OPluginManager::enable( const OPluginItem& item ) { + setEnabled( item, true ); +} + +/** + * \brief disable the Item. + * + * Disable the OPluginItem. Same applies as in + * @see setPosition and @see enable + * + * @param item Item to disable + */ +void OPluginManager::disable( const OPluginItem& item) { + setEnabled( item, false ); +} + +/** + * \brief Enable or disable the OPluginItem. + * Depending on the value of the parameter this will either disable + * or enable the pluginitem. + * Beside that same as in @see disable, @see enable, @see setPosition + * applies. + * + * @param _item The OPluginItem to enable or to disable. + * @param b Enable or disable the plugin. + * + */ +void OPluginManager::setEnabled( const OPluginItem& _item, bool b ) { + OPluginItem item = _item; + item.setEnabled( b ); + replace( item ); +} + +/** + * \brief Load necessary information after constructing the object + * If you speified a OGenericPluginLoader you need to call this method + * so that this manager knows what to manage and have a right value for \sa crashedPlugin + * For the name and the list of plugins this does only try to find out the crashed plugin + */ +void OPluginManager::load() { + OConfig cfg( configName() ); + cfg.setGroup( "General" ); + QString crashedPath = cfg.readEntry( "CrashedPlugin" ); + + /* if we've a loader this applies if we were called from the first part */ + if ( m_loader ) + m_plugins = m_loader->allAvailable( m_loader->isSorted() ); + + /* fast and normal route if we did not crash... */ + if ( crashedPath.isEmpty() ) + return; + + /* lets try to find the plugin path and this way the associated item */ + for ( OPluginItem::List::Iterator it = m_plugins.begin(); it != m_plugins.end(); ++it ) + if ( (*it).path() == crashedPath ) { + m_crashed = *it; + break; + } +} + + +/** + * \brief Save the values and this way make it available. + * + * Save the current set of data. A call to @see OGenericPluginLoader::filtered + * now would return your saved changes. + */ +void OPluginManager::save() { + QMap<QString, QStringList> excluded; // map for path to excluded name + QMap<QString, QStringList> positions; // if positions matter contains splitted up by dirs + bool sorted = m_loader ? m_loader->isSorted() : m_isSorted; + + /* + * We will create some maps for the groups to include positions a + */ + for ( OPluginItem::List::Iterator it = m_plugins.begin(); it != m_plugins.end(); ++it ) { + OPluginItem item = *it; + QString path = QFileInfo( item.path() ).filePath(); + if ( sorted ) { + positions[path].append( item.name() ); + positions[path].append( QString::number( item.position() ) ); + } + + if ( !item.isEnabled() ) + excluded[path].append( item.name() ); + } + +/* + * The code below wouldn't work because we can't delete groups/keys from the config + * ### for ODP make Config right! + */ +// if ( excluded.isEmpty() && positions.isEmpty() ) return; + /* + * Now safe for each path + */ + OConfig cfg( configName() ); + + /* safe excluded items */ + for ( QMap<QString, QStringList>::Iterator it = excluded.begin(); it != excluded.end(); ++it ) { + OConfigGroupSaver saver( &cfg, it.key() ); + cfg.writeEntry("Excluded", it.data(), ',' ); + } + + /* safe positions we could also see if positions.contains(path) and remove/write in the above loop + * ### Write a Test Suite that can profile these runs... + */ + for ( QMap<QString, QStringList>::Iterator it = positions.begin(); it != positions.end(); ++it ) { + OConfigGroupSaver saver( &cfg, it.key() ); + cfg.writeEntry("Positions", it.data(), '.' ); + } +} + +/** + * @internal + */ +QString OPluginManager::configName()const { + QString str = m_loader ? m_loader->name() : m_cfgName; + return str + "odpplugins"; +} + +/** + * @internal.. replace in m_plugins by path... this is linear search O(n/2) + */ +void OPluginManager::replace( const OPluginItem& item ) { +// ### fixme +} diff --git a/libopie2/opiecore/opluginloader.h b/libopie2/opiecore/opluginloader.h index 6166b75..2f9ec2a 100644 --- a/libopie2/opiecore/opluginloader.h +++ b/libopie2/opiecore/opluginloader.h @@ -34,5 +34,7 @@ public: OPluginItem(); - OPluginItem( const QString& name, const QString& path, int pos = -1 ); + OPluginItem( const QString& name, const QString& path, bool enabled = true, int pos = -1 ); ~OPluginItem(); + bool isEmpty()const; + bool operator==( const OPluginItem& )const; @@ -43,2 +45,3 @@ public: QString path()const; + bool isEnabled()const; int position()const; @@ -47,2 +50,3 @@ public: void setPath( const QString& ); + void setEnabled( bool ); void setPosition( int ); @@ -52,2 +56,3 @@ private: QString m_path; + bool m_enabled : 1; int m_pos; @@ -78,3 +83,4 @@ public: - + QString name()const; + bool isSorted()const; bool isInSafeMode()const; @@ -82,4 +88,4 @@ public: - List allAvailable(bool sorted = FALSE)const; - List filtered(bool sorted = FALSE)const; + List allAvailable(bool sorted = false )const; + List filtered(bool sorted = false )const; @@ -90,2 +96,3 @@ public: protected: + friend class OPluginManager; // we need the static unlibify void readConfig(); @@ -94,6 +101,4 @@ protected: void setPluginDir( const QString& ); - bool isSorted()const; void setSafeMode(const QString& app = QString::null, bool b = false); static QString unlibify( const QString& str ); - private: @@ -135,3 +140,3 @@ public: OPluginLoader( const QString& name, bool sorted = false ); - ~OPluginLoader(); + virtual ~OPluginLoader(); @@ -142,3 +147,3 @@ public: /** - * \brief A class to manager order and activation of plugins + * \brief A class to manage order and activation of plugins * @@ -147,4 +152,5 @@ public: * on the OPluginLoader you supply. + * You must call load() and save after construnction an instance * - * @see OPluginConfig + * @see Opie::Ui::OPluginConfig * @@ -153,9 +159,9 @@ class OPluginManager { public: - OPluginManager( OGenericPluginLoader* , const QString& name); - OPluginManager( OConfig* conf, const QString&, - const QCString& group, const OPluginItem::List& ); - ~OPluginManager(); + OPluginManager( OGenericPluginLoader* ); + OPluginManager( const QString& name, const OPluginItem::List&, bool isSorted = false ); + virtual ~OPluginManager(); - QString name(); - void setName( const QString& ); + OPluginItem crashedPlugin()const; + + OPluginItem::List managedPlugins()const; @@ -166,4 +172,14 @@ public: - void load(); - void save(); + virtual void load(); + virtual void save(); + +protected: + QString configName()const; + void replace( const OPluginItem& ); +private: + OGenericPluginLoader *m_loader; + QString m_cfgName; + OPluginItem::List m_plugins; + OPluginItem m_crashed; + bool m_isSorted : 1; }; @@ -171,2 +187,11 @@ public: +/** + * This is a template method allowing you to safely cast + * your load function + * + * \code + * MyTypePlugin *plug = load->load<MyTypePlugin>( item, IID_MyPlugin ); + * \endcode + * + */ template<class IFace> |