CArchTaskBarWindows.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012 Bolton Software Ltd.
 * Copyright (C) 2003 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef CARCHTASKBARWINDOWS_H
#define CARCHTASKBARWINDOWS_H

#define WIN32_LEAN_AND_MEAN

#include "IArchTaskBar.h"
#include "IArchMultithread.h"
#include "stdmap.h"
#include "stdvector.h"
#include <windows.h>

#define ARCH_TASKBAR CArchTaskBarWindows

class CArchTaskBarWindows : public IArchTaskBar {
public:
    CArchTaskBarWindows();
    virtual ~CArchTaskBarWindows();

    virtual void init();


    static void         addDialog(HWND);


    static void         removeDialog(HWND);

    // IArchTaskBar overrides
    virtual void        addReceiver(IArchTaskBarReceiver*);
    virtual void        removeReceiver(IArchTaskBarReceiver*);
    virtual void        updateReceiver(IArchTaskBarReceiver*);

private:
    class CReceiverInfo {
    public:
        UINT            m_id;
    };

    typedef std::map<IArchTaskBarReceiver*, CReceiverInfo> CReceiverToInfoMap;
    typedef std::map<UINT, CReceiverToInfoMap::iterator> CIDToReceiverMap;
    typedef std::vector<UINT> CIDStack;
    typedef std::map<HWND, bool> CDialogs;

    UINT                getNextID();
    void                recycleID(UINT);

    void                addIcon(UINT);
    void                removeIcon(UINT);
    void                updateIcon(UINT);
    void                addAllIcons();
    void                removeAllIcons();
    void                modifyIconNoLock(CReceiverToInfoMap::const_iterator,
                            DWORD taskBarMessage);
    void                removeIconNoLock(UINT id);
    void                handleIconMessage(IArchTaskBarReceiver*, LPARAM);

    bool                processDialogs(MSG*);
    LRESULT             wndProc(HWND, UINT, WPARAM, LPARAM);
    static LRESULT CALLBACK
                        staticWndProc(HWND, UINT, WPARAM, LPARAM);
    void                threadMainLoop();
    static void*        threadEntry(void*);

    HINSTANCE           instanceWin32();

private:
    static CArchTaskBarWindows* s_instance;

    // multithread data
    CArchMutex          m_mutex;
    CArchCond           m_condVar;
    bool                m_ready;
    int                 m_result;
    CArchThread         m_thread;

    // child thread data
    HWND                m_hwnd;
    UINT                m_taskBarRestart;

    // shared data
    CReceiverToInfoMap  m_receivers;
    CIDToReceiverMap    m_idTable;
    CIDStack            m_oldIDs;
    UINT                m_nextID;

    // dialogs
    CDialogs            m_dialogs;
    CDialogs            m_addedDialogs;
};

#endif