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/**
* @file llviewercontrollistener.cpp
* @author Brad Kittenbrink
* @date 2009-07-09
* @brief Implementation for llviewercontrollistener.
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* 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"
#include "llviewercontrollistener.h"
#include "llviewercontrol.h"
#include "llcontrol.h"
#include "llerror.h"
#include "llsdutil.h"
#include "stringize.h"
#include <sstream>
namespace {
LLViewerControlListener sSavedSettingsListener;
} // unnamed namespace
LLViewerControlListener::LLViewerControlListener()
: LLEventAPI("LLViewerControl",
"LLViewerControl listener: set, toggle or set default for various controls")
{
std::ostringstream groupnames;
groupnames << "[\"group\"] is one of ";
const char* delim = "";
for (LLControlGroup::key_iter cgki(LLControlGroup::beginKeys()),
cgkend(LLControlGroup::endKeys());
cgki != cgkend; ++cgki)
{
groupnames << delim << '"' << *cgki << '"';
delim = ", ";
}
groupnames << '\n';
std::string grouphelp(groupnames.str());
std::string replyhelp("If [\"reply\"] requested, send new [\"value\"] on specified LLEventPump\n");
add("set",
std::string("Set [\"group\"] control [\"key\"] to optional value [\"value\"]\n"
"If [\"value\"] omitted, set to control's defined default value\n") +
grouphelp + replyhelp,
&LLViewerControlListener::set,
LLSDMap("group", LLSD())("key", LLSD()));
add("toggle",
std::string("Toggle [\"group\"] control [\"key\"], if boolean\n") + grouphelp + replyhelp,
&LLViewerControlListener::toggle,
LLSDMap("group", LLSD())("key", LLSD()));
add("get",
std::string("Query [\"group\"] control [\"key\"], replying on LLEventPump [\"reply\"]\n") +
grouphelp,
&LLViewerControlListener::get,
LLSDMap("group", LLSD())("key", LLSD())("reply", LLSD()));
add("groups",
"Send on LLEventPump [\"reply\"] an array [\"groups\"] of valid group names",
&LLViewerControlListener::groups,
LLSDMap("reply", LLSD()));
add("vars",
std::string("For [\"group\"], send on LLEventPump [\"reply\"] an array [\"vars\"],\n"
"each of whose entries looks like:\n"
" [\"name\"], [\"type\"], [\"value\"], [\"comment\"]\n") + grouphelp,
&LLViewerControlListener::vars,
LLSDMap("group", LLSD())("reply", LLSD()));
}
struct Info
{
Info(const LLSD& request):
response(LLSD(), request),
groupname(request["group"]),
group(LLControlGroup::getInstance(groupname)),
key(request["key"]),
control(NULL)
{
if (! group)
{
response.error(STRINGIZE("Unrecognized group '" << groupname << "'"));
return;
}
control = group->getControl(key);
if (! control)
{
response.error(STRINGIZE("In group '" << groupname
<< "', unrecognized control key '" << key << "'"));
}
}
~Info()
{
// If in fact the request passed to our constructor names a valid
// group and key, grab the final value of the indicated control and
// stuff it in our response. Since this outer destructor runs before
// the contained Response destructor, this data will go into the
// response we send.
if (control)
{
response["name"] = control->getName();
response["type"] = group->typeEnumToString(control->type());
response["value"] = control->get();
response["comment"] = control->getComment();
}
}
LLEventAPI::Response response;
std::string groupname;
LLControlGroup* group;
std::string key;
LLControlVariable* control;
};
//static
void LLViewerControlListener::set(LLSD const & request)
{
Info info(request);
if (! info.control)
return;
if (request.has("value"))
{
info.control->setValue(request["value"]);
}
else
{
info.control->resetToDefault();
}
}
//static
void LLViewerControlListener::toggle(LLSD const & request)
{
Info info(request);
if (! info.control)
return;
if (info.control->isType(TYPE_BOOLEAN))
{
info.control->set(! info.control->get().asBoolean());
}
else
{
info.response.error(STRINGIZE("toggle of non-boolean '" << info.groupname
<< "' control '" << info.key
<< "', type is "
<< info.group->typeEnumToString(info.control->type())));
}
}
void LLViewerControlListener::get(LLSD const & request)
{
// The Info constructor and destructor actually do all the work here.
Info info(request);
}
void LLViewerControlListener::groups(LLSD const & request)
{
// No Info, we're not looking up either a group or a control name.
Response response(LLSD(), request);
for (LLControlGroup::key_iter cgki(LLControlGroup::beginKeys()),
cgkend(LLControlGroup::endKeys());
cgki != cgkend; ++cgki)
{
response["groups"].append(*cgki);
}
}
struct CollectVars: public LLControlGroup::ApplyFunctor
{
CollectVars(LLControlGroup* g):
mGroup(g)
{}
virtual void apply(const std::string& name, LLControlVariable* control)
{
vars.append(LLSDMap
("name", name)
("type", mGroup->typeEnumToString(control->type()))
("value", control->get())
("comment", control->getComment()));
}
LLControlGroup* mGroup;
LLSD vars;
};
void LLViewerControlListener::vars(LLSD const & request)
{
// This method doesn't use Info, because we're not looking up a specific
// control name.
Response response(LLSD(), request);
std::string groupname(request["group"]);
LLControlGroup* group(LLControlGroup::getInstance(groupname));
if (! group)
{
return response.error(STRINGIZE("Unrecognized group '" << groupname << "'"));
}
CollectVars collector(group);
group->applyToAll(&collector);
response["vars"] = collector.vars;
}
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