/*

 * 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 "Cursor.h"

#import "BlockExceptions.h"

#import "FoundationExtras.h"

#import "Image.h"

#import "IntPoint.h"

@interface WebCoreCursorBundle : NSObject { }

@end

@implementation WebCoreCursorBundle

@end

namespace WebCore {

// Simple NSCursor calls shouldn't need protection,

// but creating a cursor with a bad image might throw.

static NSCursor* createCustomCursor(Image* image, const IntPoint& hotspot)

{

    // FIXME: The cursor won't animate.  Not sure if that's a big deal.

    NSImage* img = image->getNSImage();

    if (!img)

        return 0;

    BEGIN_BLOCK_OBJC_EXCEPTIONS;

    return [[NSCursor alloc] initWithImage:img hotSpot:hotspot];

    END_BLOCK_OBJC_EXCEPTIONS;

    return 0;

}

// Leak these cursors intentionally, that way we won't waste time trying to clean them

// up at process exit time.

static NSCursor* leakNamedCursor(const char* name, int x, int y)

{

    BEGIN_BLOCK_OBJC_EXCEPTIONS;

    NSString* resourceName = [[NSString alloc] initWithUTF8String:name];

    NSImage* cursorImage = [[NSImage alloc] initWithContentsOfFile:

        [[NSBundle bundleForClass:[WebCoreCursorBundle class]]

        pathForResource:resourceName ofType:@"png"]];

    [resourceName release];

    NSCursor* cursor = 0;

    if (cursorImage) {

        NSPoint hotSpotPoint = {x, y}; // workaround for 4213314

        cursor = [[NSCursor alloc] initWithImage:cursorImage hotSpot:hotSpotPoint];

        [cursorImage release];

    }

    return cursor;

    END_BLOCK_OBJC_EXCEPTIONS;

    return 0;

}

Cursor::Cursor(Image* image, const IntPoint& hotspot)

    : m_impl(HardRetainWithNSRelease(createCustomCursor(image, hotspot)))

{

}

Cursor::Cursor(const Cursor& other)

    : m_impl(HardRetain(other.m_impl))

{

}

Cursor::~Cursor()

{

    HardRelease(m_impl);

}

Cursor& Cursor::operator=(const Cursor& other)

{

    HardRetain(other.m_impl);

    HardRelease(m_impl);

    m_impl = other.m_impl;

    return *this;

}

Cursor::Cursor(NSCursor* c)

    : m_impl(HardRetain(c))

{

}

const Cursor& pointerCursor()

{

    static Cursor c = [NSCursor arrowCursor];

    return c;

}

const Cursor& crossCursor()

{

    static Cursor c = leakNamedCursor("crossHairCursor", 11, 11);

    return c;

}

const Cursor& handCursor()

{

    static Cursor c = leakNamedCursor("linkCursor", 6, 1);

    return c;

}

const Cursor& moveCursor()

{

    static Cursor c = leakNamedCursor("moveCursor", 7, 7);

    return c;

}

const Cursor& verticalTextCursor()

{

    static Cursor c = leakNamedCursor("verticalTextCursor", 7, 7);

    return c;

}

const Cursor& cellCursor()

{

    static Cursor c = leakNamedCursor("cellCursor", 7, 7);

    return c;

}

const Cursor& contextMenuCursor()

{

    static Cursor c = leakNamedCursor("contextMenuCursor", 3, 2);

    return c;

}

const Cursor& aliasCursor()

{

    static Cursor c = leakNamedCursor("aliasCursor", 11, 3);

    return c;

}

const Cursor& zoomInCursor()

{

    static Cursor c = leakNamedCursor("zoomInCursor", 7, 7);

    return c;

}

const Cursor& zoomOutCursor()

{

    static Cursor c = leakNamedCursor("zoomOutCursor", 7, 7);

    return c;

}

const Cursor& copyCursor()

{

    static Cursor c = leakNamedCursor("copyCursor", 3, 2);

    return c;

}

const Cursor& noneCursor()

{

    static Cursor c = leakNamedCursor("noneCursor", 7, 7);

    return c;

}

const Cursor& progressCursor()

{

    static Cursor c = leakNamedCursor("progressCursor", 3, 2);

    return c;

}

const Cursor& noDropCursor()

{

    static Cursor c = leakNamedCursor("noDropCursor", 3, 1);

    return c;

}

const Cursor& notAllowedCursor()

{

    static Cursor c = leakNamedCursor("notAllowedCursor", 11, 11);

    return c;

}

const Cursor& iBeamCursor()

{

    static Cursor c = [NSCursor IBeamCursor];

    return c;

}

const Cursor& waitCursor()

{

    static Cursor c = leakNamedCursor("waitCursor", 7, 7);

    return c;

}

const Cursor& helpCursor()

{

    static Cursor c = leakNamedCursor("helpCursor", 8, 8);

    return c;

}

const Cursor& eastResizeCursor()

{

    static Cursor c = leakNamedCursor("eastResizeCursor", 14, 7);

    return c;

}

const Cursor& northResizeCursor()

{

    static Cursor c = leakNamedCursor("northResizeCursor", 7, 1);

    return c;

}

const Cursor& northEastResizeCursor()

{

    static Cursor c = leakNamedCursor("northEastResizeCursor", 14, 1);

    return c;

}

const Cursor& northWestResizeCursor()

{

    static Cursor c = leakNamedCursor("northWestResizeCursor", 0, 0);

    return c;

}

const Cursor& southResizeCursor()

{

    static Cursor c = leakNamedCursor("southResizeCursor", 7, 14);

    return c;

}

const Cursor& southEastResizeCursor()

{

    static Cursor c = leakNamedCursor("southEastResizeCursor", 14, 14);

    return c;

}

const Cursor& southWestResizeCursor()

{

    static Cursor c = leakNamedCursor("southWestResizeCursor", 1, 14);

    return c;

}

const Cursor& westResizeCursor()

{

    static Cursor c = leakNamedCursor("westResizeCursor", 1, 7);

    return c;

}

const Cursor& northSouthResizeCursor()

{

    static Cursor c = leakNamedCursor("northSouthResizeCursor", 7, 7);

    return c;

}

const Cursor& eastWestResizeCursor()

{

    static Cursor c = leakNamedCursor("eastWestResizeCursor", 7, 7);

    return c;

}

const Cursor& northEastSouthWestResizeCursor()

{

    static Cursor c = leakNamedCursor("northEastSouthWestResizeCursor", 7, 7);

    return c;

}

const Cursor& northWestSouthEastResizeCursor()

{

    static Cursor c = leakNamedCursor("northWestSouthEastResizeCursor", 7, 7);

    return c;

}

const Cursor& columnResizeCursor()

{

    static Cursor c = [NSCursor resizeLeftRightCursor];

    return c;

}

const Cursor& rowResizeCursor()

{

    static Cursor c = [NSCursor resizeUpDownCursor];

    return c;

}

}