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/*
* Copyright (C) 2004, 2006, 2010 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.
*/
#import "config.h"
#import "Cursor.h"
#import "BlockExceptions.h"
#import "WebCoreSystemInterface.h"
#import <wtf/StdLibExtras.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 RetainPtr<NSCursor> createCustomCursor(Image* image, const IntPoint& hotSpot)
{
// FIXME: The cursor won't animate. Not sure if that's a big deal.
NSImage* nsImage = image->getNSImage();
if (!nsImage)
return 0;
BEGIN_BLOCK_OBJC_EXCEPTIONS;
return adoptNS([[NSCursor alloc] initWithImage:nsImage hotSpot:hotSpot]);
END_BLOCK_OBJC_EXCEPTIONS;
return 0;
}
static RetainPtr<NSCursor> createNamedCursor(const char* name, int x, int y)
{
BEGIN_BLOCK_OBJC_EXCEPTIONS;
RetainPtr<NSString> resourceName = adoptNS([[NSString alloc] initWithUTF8String:name]);
RetainPtr<NSImage> cursorImage = adoptNS([[NSImage alloc] initWithContentsOfFile:[[NSBundle bundleForClass:[WebCoreCursorBundle class]] pathForResource:resourceName.get() ofType:@"png"]]);
RetainPtr<NSCursor> cursor;
if (cursorImage)
cursor = adoptNS([[NSCursor alloc] initWithImage:cursorImage.get() hotSpot:NSMakePoint(x, y)]);
return cursor;
END_BLOCK_OBJC_EXCEPTIONS;
return nil;
}
void Cursor::ensurePlatformCursor() const
{
if (m_platformCursor)
return;
switch (m_type) {
case Cursor::Pointer:
m_platformCursor = [NSCursor arrowCursor];
break;
case Cursor::Cross:
m_platformCursor = [NSCursor crosshairCursor];
break;
case Cursor::Hand:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = [NSCursor pointingHandCursor];
#else
// The pointingHandCursor from NSCursor does not have a shadow on
// older versions of OS X, so use our own custom cursor.
m_platformCursor = createNamedCursor("linkCursor", 6, 1);
#endif
break;
case Cursor::IBeam:
m_platformCursor = [NSCursor IBeamCursor];
break;
case Cursor::Wait:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("BusyButClickable");
#else
m_platformCursor = createNamedCursor("waitCursor", 7, 7);
#endif
break;
case Cursor::Help:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("Help");
if (m_platformCursor)
break;
#endif
m_platformCursor = createNamedCursor("helpCursor", 8, 8);
break;
case Cursor::Move:
case Cursor::MiddlePanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("Move");
#else
m_platformCursor = createNamedCursor("moveCursor", 7, 7);
#endif
break;
case Cursor::EastResize:
case Cursor::EastPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeEast");
#else
m_platformCursor = createNamedCursor("eastResizeCursor", 14, 7);
#endif
break;
case Cursor::NorthResize:
case Cursor::NorthPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNorth");
#else
m_platformCursor = createNamedCursor("northResizeCursor", 7, 1);
#endif
break;
case Cursor::NorthEastResize:
case Cursor::NorthEastPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNortheast");
#else
m_platformCursor = createNamedCursor("northEastResizeCursor", 14, 1);
#endif
break;
case Cursor::NorthWestResize:
case Cursor::NorthWestPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNorthwest");
#else
m_platformCursor = createNamedCursor("northWestResizeCursor", 0, 0);
#endif
break;
case Cursor::SouthResize:
case Cursor::SouthPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeSouth");
#else
m_platformCursor = createNamedCursor("southResizeCursor", 7, 14);
#endif
break;
case Cursor::SouthEastResize:
case Cursor::SouthEastPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeSoutheast");
#else
m_platformCursor = createNamedCursor("southEastResizeCursor", 14, 14);
#endif
break;
case Cursor::SouthWestResize:
case Cursor::SouthWestPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeSouthwest");
#else
m_platformCursor = createNamedCursor("southWestResizeCursor", 1, 14);
#endif
break;
case Cursor::WestResize:
case Cursor::WestPanning:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeWest");
#else
m_platformCursor = createNamedCursor("westResizeCursor", 1, 7);
#endif
break;
case Cursor::NorthSouthResize:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNorthSouth");
#else
m_platformCursor = createNamedCursor("northSouthResizeCursor", 7, 7);
#endif
break;
case Cursor::EastWestResize:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeEastWest");
#else
m_platformCursor = createNamedCursor("eastWestResizeCursor", 7, 7);
#endif
break;
case Cursor::NorthEastSouthWestResize:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNortheastSouthwest");
#else
m_platformCursor = createNamedCursor("northEastSouthWestResizeCursor", 7, 7);
#endif
break;
case Cursor::NorthWestSouthEastResize:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ResizeNorthwestSoutheast");
#else
m_platformCursor = createNamedCursor("northWestSouthEastResizeCursor", 7, 7);
#endif
break;
case Cursor::ColumnResize:
m_platformCursor = [NSCursor resizeLeftRightCursor];
break;
case Cursor::RowResize:
m_platformCursor = [NSCursor resizeUpDownCursor];
break;
case Cursor::VerticalText:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = [NSCursor IBeamCursorForVerticalLayout];
#else
m_platformCursor = createNamedCursor("verticalTextCursor", 7, 7);
#endif
break;
case Cursor::Cell:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("Cell");
if (m_platformCursor)
break;
#endif
m_platformCursor = createNamedCursor("cellCursor", 7, 7);
break;
case Cursor::ContextMenu:
m_platformCursor = [NSCursor contextualMenuCursor];
break;
case Cursor::Alias:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("MakeAlias");
#else
m_platformCursor = createNamedCursor("aliasCursor", 11, 3);
#endif
break;
case Cursor::Progress:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("BusyButClickable");
#else
m_platformCursor = createNamedCursor("progressCursor", 3, 2);
#endif
break;
case Cursor::NoDrop:
m_platformCursor = [NSCursor operationNotAllowedCursor];
break;
case Cursor::Copy:
m_platformCursor = [NSCursor dragCopyCursor];
break;
case Cursor::None:
m_platformCursor = createNamedCursor("noneCursor", 7, 7);
break;
case Cursor::NotAllowed:
m_platformCursor = [NSCursor operationNotAllowedCursor];
break;
case Cursor::ZoomIn:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ZoomIn");
if (m_platformCursor)
break;
#endif
m_platformCursor = createNamedCursor("zoomInCursor", 7, 7);
break;
case Cursor::ZoomOut:
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
m_platformCursor = wkCursor("ZoomOut");
if (m_platformCursor)
break;
#endif
m_platformCursor = createNamedCursor("zoomOutCursor", 7, 7);
break;
case Cursor::Grab:
m_platformCursor = [NSCursor openHandCursor];
break;
case Cursor::Grabbing:
m_platformCursor = [NSCursor closedHandCursor];
break;
case Cursor::Custom:
m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot);
break;
}
}
Cursor::Cursor(const Cursor& other)
: m_type(other.m_type)
, m_image(other.m_image)
, m_hotSpot(other.m_hotSpot)
, m_imageScaleFactor(other.m_imageScaleFactor)
, m_platformCursor(other.m_platformCursor)
{
}
Cursor& Cursor::operator=(const Cursor& other)
{
m_type = other.m_type;
m_image = other.m_image;
m_hotSpot = other.m_hotSpot;
m_imageScaleFactor = other.m_imageScaleFactor;
m_platformCursor = other.m_platformCursor;
return *this;
}
Cursor::~Cursor()
{
}
NSCursor *Cursor::platformCursor() const
{
ensurePlatformCursor();
return m_platformCursor.get();
}
} // namespace WebCore
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