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common/rfb/CMsgReader.h

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+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright 2009-2014 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.
+ */
+//
+// CMsgReader - class for reading RFB messages on the server side
+// (i.e. messages from client to server).
+//
+
+#ifndef __RFB_CMSGREADER_H__
+#define __RFB_CMSGREADER_H__
+
+#include <rdr/types.h>
+
+#include <rfb/Rect.h>
+#include <rfb/encodings.h>
+
+namespace rdr { class InStream; }
+
+namespace rfb {
+  class CMsgHandler;
+  struct Rect;
+
+  class CMsgReader {
+  public:
+    CMsgReader(CMsgHandler* handler, rdr::InStream* is);
+    virtual ~CMsgReader();
+
+    void readServerInit();
+
+    // readMsg() reads a message, calling the handler as appropriate.
+    void readMsg();
+
+    rdr::InStream* getInStream() { return is; }
+
+    int imageBufIdealSize;
+
+  protected:
+    void readSetColourMapEntries();
+    void readBell();
+    void readServerCutText();
+    void readFence();
+    void readEndOfContinuousUpdates();
+
+    void readFramebufferUpdate();
+
+    void readRect(const Rect& r, int encoding);
+
+    void readSetXCursor(int width, int height, const Point& hotspot);
+    void readSetCursor(int width, int height, const Point& hotspot);
+    void readSetCursorWithAlpha(int width, int height, const Point& hotspot);
+    void readSetDesktopName(int x, int y, int w, int h);
+    void readExtendedDesktopSize(int x, int y, int w, int h);
+    void readLEDState();
+
+    CMsgHandler* handler;
+    rdr::InStream* is;
+    int nUpdateRectsLeft;
+
+    static const int maxCursorSize = 256;
+  };
+}
+#endif