RetroShare/libretroshare/src/retroshare/rschannels.h

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#ifndef RS_CHANNEL_GUI_INTERFACE_H
#define RS_CHANNEL_GUI_INTERFACE_H
/*
* libretroshare/src/rsiface: rschannels.h
*
* RetroShare C++ Interface.
*
* Copyright 2008 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include <list>
#include <iostream>
#include <string>
#include "rstypes.h"
#include "rsdistrib.h" /* For FLAGS */
#define CHANNEL_MSG_STATUS_MASK 0x000f
#define CHANNEL_MSG_STATUS_READ 0x0001
#define CHANNEL_MSG_STATUS_UNREAD_BY_USER 0x0002
//! Stores information for a give channel id
/*!
* Stores all information for a given channel id
*/
class ChannelInfo
{
public:
ChannelInfo() : pngChanImage(NULL), pngImageLen(0) {}
std::string channelId;
std::wstring channelName;
std::wstring channelDesc;
uint32_t channelFlags;
uint32_t pop; /// popularity
unsigned char* pngChanImage;
uint32_t pngImageLen;
time_t lastPost;
};
//! for storing a channel msgs thumbnail picture
class ChannelMsgThumbnail
{
public:
ChannelMsgThumbnail() : image_thumbnail(NULL), im_thumbnail_size(0) {}
unsigned char* image_thumbnail;
int im_thumbnail_size;
};
//! Stores information on a message within a channel
class ChannelMsgInfo
{
public:
ChannelMsgInfo () : count(0), size(0) {}
std::string channelId;
std::string msgId;
unsigned int msgflags;
std::wstring subject;
std::wstring msg;
time_t ts; /// time stamp
std::list<FileInfo> files;
uint32_t count; /// file count
uint64_t size; /// size of all files
ChannelMsgThumbnail thumbnail;
};
//! gives a more brief account of a channel message than channelMsgInfo
class ChannelMsgSummary
{
public:
ChannelMsgSummary() : count(0) {}
std::string channelId;
std::string msgId;
uint32_t msgflags;
std::wstring subject;
std::wstring msg;
uint32_t count; /// file count
time_t ts; /// time stamp
};
std::ostream &operator<<(std::ostream &out, const ChannelInfo &info);
std::ostream &operator<<(std::ostream &out, const ChannelMsgSummary &info);
std::ostream &operator<<(std::ostream &out, const ChannelMsgInfo &info);
class RsChannels;
extern RsChannels *rsChannels;
/*!
* retroshare interface to the channels distributed group service
* Channels user to create feeds similar to RSS feed where you can share files
* with other users, when you subscribe to a channel you immediately begin downloading
* the file shared on that channel. Channel feeds are shared anonymously
*/
class RsChannels
{
public:
RsChannels() { return; }
virtual ~RsChannels() { return; }
/****************************************/
/*!
* returns a list of channel id that have changed (i.e. received new message, chan descr update)
* @param chanIds this is populated with channel ids that have changed
*/
virtual bool channelsChanged(std::list<std::string> &chanIds) = 0;
/*!
* @param chanName name of the channel
* @param chanDesc a short description for the created channel
* @param chanFlags admin details on created channel group see rsdistrib.h for flags types
* @param pngImageData point at image data in PNG format
* @param imageSize size of the image data
*/
virtual std::string createChannel(std::wstring chanName, std::wstring chanDesc, uint32_t chanFlags,
unsigned char* pngImageData, uint32_t imageSize) = 0;
/*!
* retrieve channel information
* @param cId channel id
* @param ci channel info is store here
*/
virtual bool getChannelInfo(std::string cId, ChannelInfo &ci) = 0;
/*!
* @param chanList populated channelinfo for all channels
*/
virtual bool getChannelList(std::list<ChannelInfo> &chanList) = 0;
/*!
* get a message summary list for a given channel id
* @param cId channel id user wants messages for
* @param msgs summary of messages for the given cId
*/
virtual bool getChannelMsgList(std::string cId, std::list<ChannelMsgSummary> &msgs) = 0;
/*!
* retrieve more comprehensive message info given channel id and message id
*/
virtual bool getChannelMessage(std::string cId, std::string mId, ChannelMsgInfo &msg) = 0;
/*!
* set message status
* @param cId channel id
* @param mId message id
* @param status status to set
* @param statusMask bitmask to modify
*/
virtual bool setMessageStatus(const std::string& cId,const std::string& mId, const uint32_t status, const uint32_t statusMask) = 0;
/*!
* set message status
* @param cId channel id
* @param mId message id
* @param status status
*/
virtual bool getMessageStatus(const std::string& cId, const std::string& mId, uint32_t& status) = 0;
/*!
* count the new and unread messages
* @param cId channel id
* @param newCount count of new messages
* @param unreadCount count of unread messages
*/
virtual bool getMessageCount(const std::string cId, unsigned int &newCount, unsigned int &unreadCount) = 0;
/*!
* send message contain in message info to the id indicated within it (make sure you set the channel id of the message info)
* @param info message to be sent
*/
virtual bool ChannelMessageSend(ChannelMsgInfo &info) = 0;
/*!
* @param cId the channel id
* @param subscribe set to true if you want to subscribe and to false to unsubscribe
*/
virtual bool channelSubscribe(std::string cId, bool subscribe) = 0;
/*!
* This hashes a file which is not already shared by client or his peers,
* The file is copied into the channels directory if its not too large (> 100mb)
* @param path This is full path to file
* @param channel Id
*/
virtual bool channelExtraFileHash(std::string path, std::string chId, FileInfo& fInfo) = 0;
/*!
* This removes hashed extra files, and also removes channels directory copy if it exists
* @param chId channel id
*/
virtual bool channelExtraFileRemove(std::string hash, std::string chId) = 0;
/*!
* Restores channel private keys for channel in the event keys stored in configuration files are lost
* @param chId channel id to restore keys for
*/
virtual bool channelRestoreKeys(std::string chId) = 0;
/*!
* shares keys with peers
*@param chId the channel for which private publish keys will be shared
*@param peers peers in this list will be sent keys
*
*/
virtual bool channelShareKeys(std::string chId, std::list<std::string>& peers) = 0;
/****************************************/
/*!
* allows peers to change information for the channel:
* can only change channel image, descriptions and name
*
*/
virtual bool channelEditInfo(std::string chId, ChannelInfo &ci) = 0;
/*!
* get list of channels for which private publish key is available
* @param grpIds list of channels for which private publish key is available
*/
virtual void getPubKeysAvailableGrpIds(std::list<std::string>& chanIds) = 0;
};
#endif