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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2009-2011 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <rdr/OutStream.h>
#include <rfb/msgTypes.h>
#include <rfb/fenceTypes.h>
#include <rfb/Exception.h>
#include <rfb/ConnParams.h>
#include <rfb/CMsgWriterV3.h>
using namespace rfb;
CMsgWriterV3::CMsgWriterV3(ConnParams* cp, rdr::OutStream* os)
: CMsgWriter(cp, os)
{
}
CMsgWriterV3::~CMsgWriterV3()
{
}
void CMsgWriterV3::writeClientInit(bool shared)
{
os->writeU8(shared);
endMsg();
}
void CMsgWriterV3::startMsg(int type)
{
os->writeU8(type);
}
void CMsgWriterV3::endMsg()
{
os->flush();
}
void CMsgWriterV3::writeSetDesktopSize(int width, int height,
const ScreenSet& layout)
{
if (!cp->supportsSetDesktopSize)
throw Exception("Server does not support SetDesktopSize");
startMsg(msgTypeSetDesktopSize);
os->pad(1);
os->writeU16(width);
os->writeU16(height);
os->writeU8(layout.num_screens());
os->pad(1);
ScreenSet::const_iterator iter;
for (iter = layout.begin();iter != layout.end();++iter) {
os->writeU32(iter->id);
os->writeU16(iter->dimensions.tl.x);
os->writeU16(iter->dimensions.tl.y);
os->writeU16(iter->dimensions.width());
os->writeU16(iter->dimensions.height());
os->writeU32(iter->flags);
}
endMsg();
}
void CMsgWriterV3::writeFence(rdr::U32 flags, unsigned len, const char data[])
{
if (!cp->supportsFence)
throw Exception("Server does not support fences");
if (len > 64)
throw Exception("Too large fence payload");
if ((flags & ~fenceFlagsSupported) != 0)
throw Exception("Unknown fence flags");
startMsg(msgTypeClientFence);
os->pad(3);
os->writeU32(flags);
os->writeU8(len);
os->writeBytes(data, len);
endMsg();
}
void CMsgWriterV3::writeEnableContinuousUpdates(bool enable,
int x, int y, int w, int h)
{
if (!cp->supportsContinuousUpdates)
throw Exception("Server does not support continuous updates");
startMsg(msgTypeEnableContinuousUpdates);
os->writeU8(!!enable);
os->writeU16(x);
os->writeU16(y);
os->writeU16(w);
os->writeU16(h);
endMsg();
}
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