/* EcWin7 - Support library for integrating Windows 7 taskbar features
 * into any Qt application
 * Copyright (C) 2010 Emanuele Colombo
 *
 * This program 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 program 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef ECWIN7_H
#define ECWIN7_H

#include <QtGlobal>
#include <QWidget>

// Windows only data definitions
#ifdef W7TASKBAR

#include <windows.h>
#include <initguid.h>
#define CMIC_MASK_ASYNCOK SEE_MASK_ASYNCOK

// Structs types and enums definitions for Windows 7 taskbar

typedef enum THUMBBUTTONMASK
{
    THB_BITMAP = 0x1,
    THB_ICON = 0x2,
    THB_TOOLTIP	= 0x4,
    THB_FLAGS = 0x8
} THUMBBUTTONMASK;

typedef enum THUMBBUTTONFLAGS
{
    THBF_ENABLED = 0,
    THBF_DISABLED = 0x1,
    THBF_DISMISSONCLICK	= 0x2,
    THBF_NOBACKGROUND = 0x4,
    THBF_HIDDEN	= 0x8,
    THBF_NONINTERACTIVE	= 0x10
} THUMBBUTTONFLAGS;

typedef struct THUMBBUTTON
{
    THUMBBUTTONMASK dwMask;
    UINT iId;
    UINT iBitmap;
    HICON hIcon;
    WCHAR szTip[260];
    THUMBBUTTONFLAGS dwFlags;
} THUMBBUTTON;
typedef struct THUMBBUTTON *LPTHUMBBUTTON;

typedef enum TBPFLAG
{
    TBPF_NOPROGRESS = 0,
    TBPF_INDETERMINATE = 0x1,
    TBPF_NORMAL = 0x2,
    TBPF_ERROR = 0x4,
    TBPF_PAUSED = 0x8
} TBPFLAG;

typedef IUnknown *HIMAGELIST;

// Taskbar interface
DECLARE_INTERFACE_(ITaskbarList3,IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface) (THIS_ REFIID riid,void **ppv) PURE;
    STDMETHOD_(ULONG,AddRef) (THIS) PURE;
    STDMETHOD_(ULONG,Release) (THIS) PURE;
    // ITaskbarList
    STDMETHOD(HrInit) (THIS) PURE;
    STDMETHOD(AddTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(DeleteTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(ActivateTab) (THIS_ HWND hwnd) PURE;
    STDMETHOD(SetActiveAlt) (THIS_ HWND hwnd) PURE;
    STDMETHOD (MarkFullscreenWindow) (THIS_ HWND hwnd, int fFullscreen) PURE;
    // ITaskbarList3
    STDMETHOD (SetProgressValue) (THIS_ HWND hwnd, ULONGLONG ullCompleted, ULONGLONG ullTotal) PURE;
    STDMETHOD (SetProgressState) (THIS_ HWND hwnd, TBPFLAG tbpFlags) PURE;
    STDMETHOD (RegisterTab) (THIS_ HWND hwndTab,HWND hwndMDI) PURE;
    STDMETHOD (UnregisterTab) (THIS_ HWND hwndTab) PURE;
    STDMETHOD (SetTabOrder) (THIS_ HWND hwndTab, HWND hwndInsertBefore) PURE;
    STDMETHOD (SetTabActive) (THIS_ HWND hwndTab, HWND hwndMDI, DWORD dwReserved) PURE;
    STDMETHOD (ThumbBarAddButtons) (THIS_ HWND hwnd, UINT cButtons, LPTHUMBBUTTON pButton) PURE;
    STDMETHOD (ThumbBarUpdateButtons) (THIS_ HWND hwnd, UINT cButtons, LPTHUMBBUTTON pButton) PURE;
    STDMETHOD (ThumbBarSetImageList) (THIS_ HWND hwnd, HIMAGELIST himl) PURE;
    STDMETHOD (SetOverlayIcon) (THIS_ HWND hwnd, HICON hIcon, LPCWSTR pszDescription) PURE;
    STDMETHOD (SetThumbnailTooltip) (THIS_ HWND hwnd, LPCWSTR pszTip) PURE;
    STDMETHOD (SetThumbnailClip) (THIS_ HWND hwnd, RECT *prcClip) PURE;
};
typedef ITaskbarList3 *LPITaskbarList3;


// ********************************************************************
// EcWin7 class - Windows 7 taskbar handling for Qt and MinGW

class EcWin7
{
public:

        // Initialization methods
    EcWin7();
    void init(WId wid);
    bool winEvent(MSG * message, long * result);

        // Overlay icon handling
        void setOverlayIcon(QString iconName, QString description);

        // Progress indicator handling
        enum ToolBarProgressState {
        NoProgress = 0,
        Indeterminate = 1,
        Normal = 2,
        Error = 4,
        Paused = 8
    };
    void setProgressValue(int value, int max);
    void setProgressState(ToolBarProgressState state);

private:
    WId mWindowId;
    UINT mTaskbarMessageId;
    ITaskbarList3 *mTaskbar;
    HICON mOverlayIcon;
};
// Windows only data definitions - END
#endif

#endif // ECWIN7_H