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/**
* @file llcommandhandler.h
* @brief Central registry for text-driven "commands", most of
* which manipulate user interface. For example, the command
* "agent (uuid) about" will open the UI for an avatar's profile.
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LLCOMMANDHANDLER_H
#define LLCOMMANDHANDLER_H
/* Example: secondlife:///app/foo/<uuid>
Command "foo" that takes one parameter, a UUID.
class LLFooHandler : public LLCommandHandler
{
public:
// Inform the system you handle commands starting
// with "foo" and they are only allowed from
// "trusted" browsers
LLFooHandler() : LLCommandHandler("foo", true) { }
// Your code here
bool handle(const LLSD& tokens, const LLSD& query_map,
LLMediaCtrl* web)
{
if (tokens.size() < 1) return false;
LLUUID id( tokens[0] );
return do_foo(id);
}
};
// *NOTE: Creating the object registers with the dispatcher.
LLFooHandler gFooHandler;
*/
class LLMediaCtrl;
class LLCommandHandler
{
public:
LLCommandHandler(const char* command, bool allow_from_untrusted_browser);
// Automatically registers object to get called when
// command is executed. All commands can be processed
// in links from LLMediaCtrl, but some (like teleport)
// should not be allowed from outside the app.
virtual ~LLCommandHandler();
virtual bool handle(const LLSD& params,
const LLSD& query_map,
LLMediaCtrl* web) = 0;
// For URL secondlife:///app/foo/bar/baz?cat=1&dog=2
// @params - array of "bar", "baz", possibly empty
// @query_map - map of "cat" -> 1, "dog" -> 2, possibly empty
// @web - pointer to web browser control, possibly NULL
// Return true if you did something, false if the parameters
// are invalid or on error.
};
class LLCommandDispatcher
{
public:
static bool dispatch(const std::string& cmd,
const LLSD& params,
const LLSD& query_map,
LLMediaCtrl* web,
bool trusted_browser);
// Execute a command registered via the above mechanism,
// passing string parameters.
// Returns true if command was found and executed correctly.
};
#endif
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