/*

 * Copyright (C) 2004, 2006 Apple Computer, 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. 

 */

#import "config.h"

#import "PlatformMouseEvent.h"

#import "PlatformScreen.h"

namespace WebCore {

static MouseButton mouseButtonForEvent(NSEvent *event)

{

    switch ([event type]) {

        case NSLeftMouseDown:

        case NSLeftMouseUp:

        case NSLeftMouseDragged:

            return LeftButton;

        case NSRightMouseDown:

        case NSRightMouseUp:

        case NSRightMouseDragged:

            return RightButton;

        case NSOtherMouseDown:

        case NSOtherMouseUp:

        case NSOtherMouseDragged:

            return MiddleButton;

        default:

            return NoButton;

    }

}

static int clickCountForEvent(NSEvent *event)

{

    switch ([event type]) {

        case NSLeftMouseDown:

        case NSLeftMouseUp:

        case NSLeftMouseDragged:

        case NSRightMouseDown:

        case NSRightMouseUp:

        case NSRightMouseDragged:

        case NSOtherMouseDown:

        case NSOtherMouseUp:

        case NSOtherMouseDragged:

            return [event clickCount];

        default:

            return 0;

    }

}

IntPoint globalPoint(const NSPoint& windowPoint, NSWindow* window)

{

    return IntPoint(flipScreenPoint([window convertBaseToScreen:windowPoint], screenForWindow(window)));

}

IntPoint pointForEvent(NSEvent *event)

{

    switch ([event type]) {

        case NSLeftMouseDown:

        case NSLeftMouseUp:

        case NSLeftMouseDragged:

        case NSRightMouseDown:

        case NSRightMouseUp:

        case NSRightMouseDragged:

        case NSOtherMouseDown:

        case NSOtherMouseUp:

        case NSOtherMouseDragged:

        case NSMouseMoved:

        case NSScrollWheel:

            // Note: This has its origin at the bottom left of the window.

            // The Y coordinate gets flipped by ScrollView::viewportToContents.

            // We should probably change both this and that to not use "bottom left origin" coordinates at all.

            return IntPoint([event locationInWindow]);

        default:

            return IntPoint();

    }

}

IntPoint globalPointForEvent(NSEvent *event)

{

    switch ([event type]) {

        case NSLeftMouseDown:

        case NSLeftMouseUp:

        case NSLeftMouseDragged:

        case NSRightMouseDown:

        case NSRightMouseUp:

        case NSRightMouseDragged:

        case NSOtherMouseDown:

        case NSOtherMouseUp:

        case NSOtherMouseDragged:

        case NSMouseMoved:

        case NSScrollWheel:

            return globalPoint([event locationInWindow], [event window]);

        default:

            return IntPoint();

    }

}

int eventNumberForEvent(NSEvent *event)

{

    switch ([event type]) {

        case NSLeftMouseDown:

        case NSLeftMouseUp:

        case NSLeftMouseDragged:

        case NSRightMouseDown:

        case NSRightMouseUp:

        case NSRightMouseDragged:

        case NSOtherMouseDown:

        case NSOtherMouseUp:

        case NSOtherMouseDragged:

        case NSMouseMoved:

            return [event eventNumber];

        default:

            return 0;

    }

}

static MouseEventType mouseEventForNSEvent(NSEvent* event) 

{

    switch ([event type]) {

    case NSScrollWheel:

        return MouseEventScroll;

    case NSLeftMouseDragged:

    case NSRightMouseDragged:

    case NSOtherMouseDragged:

    case NSMouseMoved:

        return MouseEventMoved;

    case NSLeftMouseDown:

    case NSRightMouseDown:

    case NSOtherMouseDown:

        return MouseEventPressed;

    case NSLeftMouseUp:

    case NSRightMouseUp:

    case NSOtherMouseUp:

        return MouseEventReleased;

    default:

        return MouseEventMoved;

    }

}

PlatformMouseEvent::PlatformMouseEvent(NSEvent* event)

    : m_position(pointForEvent(event))

    , m_globalPosition(globalPointForEvent(event))

    , m_button(mouseButtonForEvent(event))

    , m_eventType(mouseEventForNSEvent(event))

    , m_clickCount(clickCountForEvent(event))

    , m_shiftKey([event modifierFlags] & NSShiftKeyMask)

    , m_ctrlKey([event modifierFlags] & NSControlKeyMask)

    , m_altKey([event modifierFlags] & NSAlternateKeyMask)

    , m_metaKey([event modifierFlags] & NSCommandKeyMask)

    , m_timestamp([event timestamp])

    , m_modifierFlags([event modifierFlags])

    , m_eventNumber([event eventNumber])

{

}

}