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+/*
+    kopeteprotocol.h - Kopete Protocol
+
+    Copyright (c) 2002      by Duncan Mac-Vicar Prett <duncan@kde.org>
+    Copyright (c) 2002-2003 by Martijn Klingens       <klingens@kde.org>
+    Copyright (c) 2002-2004 by Olivier Goffart        <ogoffart@ tiscalinet.be>
+
+    Kopete    (c) 2002-2004 by the Kopete developers  <kopete-devel@kde.org>
+
+    *************************************************************************
+    *                                                                       *
+    * This library is free software; you can redistribute it and/or         *
+    * modify it under the terms of the GNU Lesser General Public            *
+    * License as published by the Free Software Foundation; either          *
+    * version 2 of the License, or (at your option) any later version.      *
+    *                                                                       *
+    *************************************************************************
+*/
+
+#ifndef KOPETEPROTOCOL_H
+#define KOPETEPROTOCOL_H
+
+#include "kopeteplugin.h"
+#include "kopeteonlinestatus.h"
+
+class KopeteEditAccountWidget;
+class AddContactPage;
+
+#include "kopete_export.h"
+
+namespace Kopete
+{
+
+class Contact;
+class MetaContact;
+class Account;
+
+/*namespace UI
+{
+	class EditAccountWidget;
+	class AddContactPage;
+}*/
+
+
+/**
+ * @brief base class of every protocols.
+ *
+ * A protocol is just a particular case of Plugin
+ *
+ * Protocol is an abstract class, you need to reimplement createNewAccount,
+ * createAddContactPage, createEditAccountWidget
+ *
+ *
+ * @author Duncan Mac-Vicar Prett <duncan@kde.org>
+ * @author Martijn Klingens       <klingens@kde.org>
+ * @author Olivier Goffart        <ogoffart @ tiscalinet.be>
+ */
+class KOPETE_EXPORT Protocol : public Plugin
+{
+	Q_OBJECT
+
+public:
+
+	/**
+	 * @todo  Ideally, the destructor should be protected. but we need it public to allow QPtrList<Protocol>
+	 */
+	virtual ~Protocol();
+
+	/**
+	 * @brief Create an empty Account
+	 *
+	 * This method is called during the loading of the config file.
+	 * @param accountId - the account ID to create the account with. This is usually
+	 * the login name of the account
+	 *
+	 * you don't need to register the account to the AccountManager in this function.
+	 * But if you want to use this function don't forget to call  @ref AccountManager::registerAccount
+	 *
+	 * @return The new @ref Account object created by this function
+	 */
+	virtual Account *createNewAccount( const QString &accountId ) = 0;
+
+	/**
+	 * @brief Create a new AddContactPage widget to be shown in the Add Contact Wizard.
+	 *
+	 * @return A new AddContactPage to be shown in the Add Contact Wizard
+	 */
+	virtual AddContactPage *createAddContactWidget( QWidget *parent, Account *account ) = 0;
+
+	/**
+	 * @brief Create a new KopeteEditAccountWidget
+	 *
+	 * @return A new KopeteEditAccountWidget to be shown in the account part of the configurations.
+	 *
+	 * @param account is the KopeteAccount to edit. If it's 0L, then we create a new account
+	 * @param parent The parent of the 'to be returned' widget
+	 */
+	virtual KopeteEditAccountWidget * createEditAccountWidget( Account *account, QWidget *parent ) = 0;
+
+
+	/**
+	 * @brief a bitmask of the capabilities of this protocol
+	 * @sa @ref setCapabilities
+	 */
+	unsigned int capabilities() const ;
+
+
+	/**
+	 * @brief Available capabilities
+	 *
+	 * @ref capabilities() returns an ORed list of these, which
+	 * the edit widget interperts to determine what buttons to show
+	 */
+	enum Capabilities
+	{
+		BaseFgColor = 0x1,     ///< Setting the bg color of the whole edit widget / message
+		BaseBgColor = 0x2,     ///< Setting the fg color of the whole edit widget / message
+		RichFgColor = 0x4,       ///< Setting the fg/bg color of text portions individually
+		RichBgColor = 0x8,       ///< Setting the fg/bg color of text portions individually
+
+		BaseFont = 0x10,        ///< Setting the font of the whole edit widget / message
+		RichFont = 0x20,       ///< Setting the font of text portions individually
+
+		/// Setting the formatting of the whole edit widget / message
+		BaseUFormatting = 0x40,
+		BaseIFormatting = 0x80,
+		BaseBFormatting = 0x100,
+
+		/// Setting the formatting of text portions individually
+		RichUFormatting = 0x200,
+		RichIFormatting = 0x400,
+		RichBFormatting = 0x800,
+
+		Alignment = 0x1000,     ///< Setting the alignment of text portions
+
+		/// Setting the formatting of the whole edit widget / message
+		BaseFormatting = BaseIFormatting | BaseUFormatting | BaseBFormatting,
+
+		/// Setting the formatting of text portions individually
+		RichFormatting = RichIFormatting | RichUFormatting | RichBFormatting,
+
+		RichColor = RichBgColor | RichFgColor,
+		BaseColor = BaseBgColor | BaseFgColor,
+
+		//Shortcut for All of the above - full HTML
+		FullRTF =  RichFormatting | Alignment | RichFont | RichFgColor | RichBgColor ,
+
+
+		CanSendOffline = 0x10000 ///< If it's possible to send  offline messages
+	};
+
+	/**
+	 * @brief Returns the status used for contacts when accounts of this protocol are offline
+	 */
+	Kopete::OnlineStatus accountOfflineStatus() const;
+
+
+protected:
+	/**
+	 * @brief Constructor for Protocol
+	 *
+	 * @param instance The protocol's instance, every plugin needs to have a KInstance of its own
+	 * @param parent The protocol's parent object
+	 * @param name The protocol's name
+	 */
+	Protocol( KInstance *instance, QObject *parent, const char *name );
+
+	/**
+	 * @brief Sets the capabilities of this protcol.
+	 *
+	 * The subclass contructor is a good place for calling it.
+	 * @sa @ref capabilities()
+	 */
+	void setCapabilities( unsigned int );
+
+public:
+
+	/**
+	 * Reimplemented from Kopete::Plugin.
+	 *
+	 * This method disconnects all accounts and deletes them, after which it
+	 * will emit readyForUnload.
+	 *
+	 * Note that this is an asynchronous operation that may take some time
+	 * with active chats. It's no longer immediate as it used to be in
+	 * Kopete 0.7.x and before. This also means that you can do a clean
+	 * shutdown.
+ 	 * @note    The method is not private to allow subclasses to reimplement
+	 *          it even more, but if you need to do this please explain why
+	 *          on the list first. It might make more sense to add another
+	 *          virtual for protocols that's called instead, but for now I
+	 *          actually think protocols don't need their own implementation
+	 *          at all, so I left out the necessary hooks on purpose.
+	 *          - Martijn
+	 */
+	virtual void aboutToUnload();
+
+private slots:
+	/**
+	 * @internal
+	 * The account changed online status. Used while unloading the protocol.
+	 */
+	void slotAccountOnlineStatusChanged( Kopete::Contact *self );
+
+	/**
+	 * @internal
+	 * The account is destroyed. When it's the last account we emit the
+	 * readyForUnload signal. Used while unloading the protocol.
+	 */
+	void slotAccountDestroyed(  );
+
+
+public:
+
+	/**
+	 * @brief Deserialize the plugin data for a meta contact.
+	 *
+	 * This method splits up the data into the independent Kopete::Contact objects
+	 * and calls @ref deserializeContact() for each contact.
+	 *
+	 * Note that you can still reimplement this method if you prefer, but you are
+	 * strongly recommended to use this version of the method instead, unless you
+	 * want to do _VERY_ special things with the data...
+	 *
+	 * @todo we probably should think to another way to save the contacltist.
+	 */
+	virtual void deserialize( MetaContact *metaContact, const QMap<QString, QString> &serializedData );
+
+	/**
+	 * @brief Deserialize a single contact.
+	 *
+	 * This method is called by @ref deserialize() for each separate contact,
+	 * so you don't need to add your own hooks for multiple contacts in a single
+	 * meta contact yourself. @p serializedData and @p addressBookData will be
+	 * the data the contact provided in Kopete::Contact::serialize.
+	 *
+	 * The default implementation does nothing.
+	 *
+	 * @return The contact created from the data
+	 * @sa Contact::serialize
+	 *
+	 * @todo we probably should think to another way to save the contacltist.
+	 */
+	virtual Contact *deserializeContact( MetaContact *metaContact,
+		const QMap<QString, QString> &serializedData,
+		const QMap<QString, QString> &addressBookData );
+
+
+
+public slots:
+	/**
+	 * A meta contact is about to save.
+	 * Call serialize() for all contained contacts for this protocol.
+	 * @internal
+	 *   it's public because for example, Contact::setMetaContact uses it.
+	 * @todo we probably should think to another way to save the contacltist.
+	 */
+	void slotMetaContactAboutToSave( Kopete::MetaContact *metaContact );
+
+
+private:
+	class Private;
+	Private *d;
+};
+
+} //END namespace kopete
+
+#endif
+