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/**
* @file llnotificationstorage.cpp
* @brief LLPersistentNotificationStorage class implementation
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* 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;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h" // must be first include
#include "llnotificationstorage.h"
#include "llxmlnode.h" // for linux compilers
#include "llchannelmanager.h"
#include "llscreenchannel.h"
#include "llscriptfloater.h"
#include "llsdserialize.h"
#include "llviewermessage.h"
//////////////////////////////////////////////////////////////////////////
class LLResponderRegistry
{
public:
static void registerResponders();
static LLNotificationResponderInterface* createResponder(const std::string& notification_name, const LLSD& params);
private:
template<typename RESPONDER_TYPE>
static LLNotificationResponderInterface* create(const LLSD& params)
{
RESPONDER_TYPE* responder = new RESPONDER_TYPE();
responder->fromLLSD(params);
return responder;
}
typedef boost::function<LLNotificationResponderInterface* (const LLSD& params)> responder_constructor_t;
static void add(const std::string& notification_name, const responder_constructor_t& ctr);
private:
typedef std::map<std::string, responder_constructor_t> build_map_t;
static build_map_t sBuildMap;
};
//////////////////////////////////////////////////////////////////////////
LLPersistentNotificationStorage::LLPersistentNotificationStorage()
{
mFileName = gDirUtilp->getExpandedFilename ( LL_PATH_PER_SL_ACCOUNT, "open_notifications.xml" );
}
bool LLPersistentNotificationStorage::onPersistentChannelChanged(const LLSD& payload)
{
// we ignore "load" messages, but rewrite the persistence file on any other
const std::string sigtype = payload["sigtype"].asString();
if ("load" != sigtype)
{
saveNotifications();
}
return false;
}
void LLPersistentNotificationStorage::saveNotifications()
{
// TODO - think about save optimization.
llofstream notify_file(mFileName.c_str());
if (!notify_file.is_open())
{
llwarns << "Failed to open " << mFileName << llendl;
return;
}
LLSD output;
LLSD& data = output["data"];
LLNotificationChannelPtr history_channel = LLNotifications::instance().getChannel("Persistent");
LLNotificationSet::iterator it = history_channel->begin();
for ( ; history_channel->end() != it; ++it)
{
LLNotificationPtr notification = *it;
// After a notification was placed in Persist channel, it can become
// responded, expired or canceled - in this case we are should not save it
if(notification->isRespondedTo() || notification->isCancelled()
|| notification->isExpired())
{
continue;
}
data.append(notification->asLLSD());
}
LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter();
formatter->format(output, notify_file, LLSDFormatter::OPTIONS_PRETTY);
}
void LLPersistentNotificationStorage::loadNotifications()
{
LLResponderRegistry::registerResponders();
LLNotifications::instance().getChannel("Persistent")->
connectChanged(boost::bind(&LLPersistentNotificationStorage::onPersistentChannelChanged, this, _1));
llifstream notify_file(mFileName.c_str());
if (!notify_file.is_open())
{
llwarns << "Failed to open " << mFileName << llendl;
return;
}
LLSD input;
LLPointer<LLSDParser> parser = new LLSDXMLParser();
if (parser->parse(notify_file, input, LLSDSerialize::SIZE_UNLIMITED) < 0)
{
llwarns << "Failed to parse open notifications" << llendl;
return;
}
if (input.isUndefined())
{
return;
}
LLSD& data = input["data"];
if (data.isUndefined())
{
return;
}
using namespace LLNotificationsUI;
LLScreenChannel* notification_channel = dynamic_cast<LLScreenChannel*>(LLChannelManager::getInstance()->
findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
LLNotifications& instance = LLNotifications::instance();
for (LLSD::array_const_iterator notification_it = data.beginArray();
notification_it != data.endArray();
++notification_it)
{
LLSD notification_params = *notification_it;
if (instance.templateExists(notification_params["name"].asString()))
{
LLNotificationPtr notification(new LLNotification(notification_params));
LLNotificationResponderPtr responder(LLResponderRegistry::
createResponder(notification_params["name"], notification_params["responder"]));
notification->setResponseFunctor(responder);
instance.add(notification);
// hide script floaters so they don't confuse the user and don't overlap startup toast
LLScriptFloaterManager::getInstance()->setFloaterVisible(notification->getID(), false);
if(notification_channel)
{
// hide saved toasts so they don't confuse the user
notification_channel->hideToast(notification->getID());
}
}
else
{
llwarns << "Failed to find template for persistent notification " << notification_params["name"].asString() << llendl;
}
}
}
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
LLResponderRegistry::build_map_t LLResponderRegistry::sBuildMap;
void LLResponderRegistry::registerResponders()
{
sBuildMap.clear();
add("ObjectGiveItem", &create<LLOfferInfo>);
add("UserGiveItem", &create<LLOfferInfo>);
}
LLNotificationResponderInterface* LLResponderRegistry::createResponder(const std::string& notification_name, const LLSD& params)
{
build_map_t::const_iterator it = sBuildMap.find(notification_name);
if(sBuildMap.end() == it)
{
return NULL;
}
responder_constructor_t ctr = it->second;
return ctr(params);
}
void LLResponderRegistry::add(const std::string& notification_name, const responder_constructor_t& ctr)
{
if(sBuildMap.find(notification_name) != sBuildMap.end())
{
llwarns << "Responder is already registered : " << notification_name << llendl;
llassert(!"Responder already registered");
}
sBuildMap[notification_name] = ctr;
}
// EOF
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