/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd.

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the "Eclipse Public License v1.0" 

 * which accompanies  this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html"

 *

 * Initial Contributors:

 * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Contributors:

 * Manasij Roy, Nalina Hariharan

 * 

 * Description:

 * Private implementation of SmfPostProvider

 *

 */

#ifndef SMFPOSTPROVIDER_P_H_

#define SMFPOSTPROVIDER_P_H_

#include <QVector>

#include <QTextFormat>

#include <smfclientglobal.h>

#include <smfglobal.h>

#include <smfobserver.h>

#include <smfpost.h>

// Forward declaration

class SmfProvider;

class SmfContact;

class SmfLocation;

class SmfPostProvider;

#ifdef Q_OS_SYMBIAN

	class CSmfClientSymbian;

#else

	class SmfClientQt;

#endif

/**

 * Data size limits

 */

/**

 * Single Post-1 MB

 */

const int KSmfPostMaxSize = 1000000;

/**

 * Private Qt wrapper

 * Provided to accomodate diff facilities in diff platforms.

 * Uses Symbian client-server for Symbian

 * QDbus for linux

 * QLocalserver for rest of the platforms

 * Note:- only symbian client-server impl is provided at the moment

 **/

class SmfPostProviderPrivate: public smfObserver

	{

	Q_OBJECT

public:

	/**

	 * Constructor

	 */

	SmfPostProviderPrivate(SmfPostProvider* postProvider=0);

	/**

	 * Destructor

	 */

	~SmfPostProviderPrivate();

public:

	/**

	 * returns maximum no of chars (unicode) that service provider can post without truncation

	 * negative value means no limit

	 */

	qint32 maxCharsInPost();

	/**

	 * returns maximum no of items that can be returned in a single query to getPosts

	 * negative value means feature not supported.

	 */

	qint32 maxItems();

	/**

	 * returns all the formatting of posts that this service provider supports.

	 * May return 0 items to mean only QString is supported.

	 */

	QVector<QTextFormat> supportedFormats();

	/**

	 * returns whether this SP supports Appearence @see SmfAppearenceInfo

	 */

	bool supportsAppearence();

	/**

	 * Gets the posts asynchronously. The signal postsAvailable()with SmfPostList is emitted

	 * once the post lists are available

	 * @param user user's contact in this SP, omit for self contact

	 * @param pageNum Page number to download, SMF_FIRST_PAGE denotes fresh query.

     * @param perPage Item per page, default is SMF_ITEMS_PER_PAGE 

	 * @see postsAvailable()

	 */

	void posts(SmfContact* user = 0,int pageNum=SMF_FIRST_PAGE,int perPage=SMF_ITEMS_PER_PAGE);

	/**

	 * Updates a post to own area, the success of the post can be checked with signal

	 * updatePostFinished() signal

	 * @param postData data to be posted

	 * @param location location data

	 */

	void post(SmfPost& postData,SmfLocation& location) ; 

	/**

	 * Updates the last post to own area with new data, the success of the post can be checked with signal

	 * updatePostFinished() signal

	 * @param postData edited/new data to be posted

	 * @param location location data

	 */

	void updatePost(SmfPost& postData); 

	/**

	 * Updates a post to a particular Smf contact. the success of the post can be checked with signal

	 * updatePostFinished() signal.

	 * @param postData data to be posted

	 * @param contact contact to which the post is to be directed

	 * @param location location data

	 */

	void postDirected(SmfPost& postData,SmfContact& contact,SmfLocation* location=0);

	/**

	 * Method to post a comment on a post.

	 * @param aTarget Post on which comment has to be posted

	 * @param aComment comment to be posted

	 * @param aLocation location data

	 */

	void commentOnAPost( SmfPost &aTarget, SmfPost &aComment, SmfLocation *aLocation = NULL);

	/**

	 * Posts appearance info of the user.e.g. appear offline, busy, do-not-disturb

	 * @param appearence user appearance

	 * @see SmfPresenceInfo

	 * @return False on Failure/Not supported 

	 */

	bool postAppearence(SmfAppearenceInfo appearence, const QString &status); 

	/**

	 * Share /a contact's post to user's friends and followers (e.g. retweet in twitter, share on facebook)

	 * emits updatePostFinished() signal when done.

	 * @param postData data to be posted

	 * @param contact contact to which the post belonged

	 * @param bool whether user changed items within the post

	 */

	void sharePost(SmfPost& postData,SmfContact& contact,bool edited);

	/**

	 * Request for a custom operation.

	 * @param operationId OperationId

	 * @param customData Custom data to be sent

	 * Note:-Interpretation of operationId and customData is upto the concerned

	 * plugin and client application. service provider should provide some

	 * serializing-deserializing utilities for these custom data

	 */

	void customRequest(const int& operationId,QByteArray* customData);

public:	//From smfobserver 

	/**

	 * To notify availibility of asynchronous requests.

	 * @param result Requested result, before using must check error param.

	 * @param opcode Requested opcode, for which the result has arrived.

	 * @param error Error

	 */

	void resultsAvailable(QByteArray result,SmfRequestTypeID opcode,SmfError error);

private:

	SmfPostProvider* m_postProvider;

	QByteArray m_serializedDataToServer;	//serialized xtra info, order of serialization follows order of param

	quint8 m_argFlag;

#ifdef Q_OS_SYMBIAN

	CSmfClientSymbian* m_SmfClientPrivate;

	friend class CSmfClientSymbian;

#else

	SmfClientQt* m_SmfClientPrivate;

	friend class SmfClientQt;

#endif

	};

#endif /* SMFPOSTPROVIDER_P_H_ */