/*

 * Copyright (C) 2009 Apple Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef WindowsTouch_h

#define WindowsTouch_h

/*

 * The following constants are used to determine multitouch and gesture behavior

 * for Windows 7. For more information, see:

 * http://msdn.microsoft.com/en-us/library/dd562197(VS.85).aspx

 */

// Value used in WebViewWndProc for Gestures

#define WM_GESTURE 0x0119

#define WM_GESTURENOTIFY 0x011A

// Gesture Information Flags

#define GF_BEGIN 0x00000001

#define GF_INERTIA 0x00000002

#define GF_END 0x00000004

// Gesture IDs

#define GID_BEGIN 1

#define GID_END 2

#define GID_ZOOM 3

#define GID_PAN 4

#define GID_ROTATE 5

#define GID_TWOFINGERTAP 6

#define GID_PRESSANDTAP 7

#define GID_ROLLOVER GID_PRESSANDTAP

// Zoom Gesture Confiration Flags

#define GC_ZOOM 0x00000001

// Pan Gesture Configuration Flags

#define GC_PAN 0x00000001

#define GC_PAN_WITH_SINGLE_FINGER_VERTICALLY 0x00000002

#define GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY 0x00000004

#define GC_PAN_WITH_GUTTER 0x00000008

#define GC_PAN_WITH_INERTIA 0x00000010

// Rotate Gesture Configuration Flags

#define GC_ROTATE 0x00000001

// Two finger tap configuration flags

#define GC_TWOFINGERTAP 0x00000001

// Press and tap Configuration Flags

#define GC_PRESSANDTAP 0x00000001

#define GC_ROLLOVER GC_PRESSANDTAP

// GESTUREINFO struct definition

typedef struct tagGESTUREINFO {

    UINT cbSize;                    // size, in bytes, of this structure (including variable length Args field)

    DWORD dwFlags;                  // see GF_* flags

    DWORD dwID;                     // gesture ID, see GID_* defines

    HWND hwndTarget;                // handle to window targeted by this gesture

    POINTS ptsLocation;             // current location of this gesture

    DWORD dwInstanceID;             // internally used

    DWORD dwSequenceID;             // internally used

    ULONGLONG ullArguments;         // arguments for gestures whose arguments fit in 8 BYTES

    UINT cbExtraArgs;               // size, in bytes, of extra arguments, if any, that accompany this gesture

} GESTUREINFO, *PGESTUREINFO;

typedef GESTUREINFO const * PCGESTUREINFO;

// GESTURECONFIG struct defintion

typedef struct tagGESTURECONFIG {

    DWORD dwID;                     // gesture ID

    DWORD dwWant;                   // settings related to gesture ID that are to be turned on

    DWORD dwBlock;                  // settings related to gesture ID that are to be turned off

} GESTURECONFIG, *PGESTURECONFIG;

/*

 * Gesture notification structure

 *   - The WM_GESTURENOTIFY message lParam contains a pointer to this structure.

 *   - The WM_GESTURENOTIFY message notifies a window that gesture recognition is

 *     in progress and a gesture will be generated if one is recognized under the

 *     current gesture settings.

 */

typedef struct tagGESTURENOTIFYSTRUCT {

    UINT cbSize;                    // size, in bytes, of this structure

    DWORD dwFlags;                  // unused

    HWND hwndTarget;                // handle to window targeted by the gesture

    POINTS ptsLocation;             // starting location

    DWORD dwInstanceID;             // internally used

} GESTURENOTIFYSTRUCT, *PGESTURENOTIFYSTRUCT;

DECLARE_HANDLE(HGESTUREINFO);

#endif