/*
* 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 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 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 "WebCoreSystemInterface.h"
#import <wtf/BlockObjCExceptions.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.
#if ENABLE(MOUSE_CURSOR_SCALE)
static RetainPtr<NSCursor> createCustomCursor(Image* image, const IntPoint& hotSpot, float scale)
#else
static RetainPtr<NSCursor> createCustomCursor(Image* image, const IntPoint& hotSpot)
#endif
{
// 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;
#if ENABLE(MOUSE_CURSOR_SCALE)
NSSize size = NSMakeSize(image->width() / scale, image->height() / scale);
NSSize expandedSize = NSMakeSize(ceil(size.width), ceil(size.height));
// Pad the image with transparent pixels so it has an integer boundary.
if (size.width != expandedSize.width || size.height != expandedSize.height) {
RetainPtr<NSImage> expandedImage = adoptNS([[NSImage alloc] initWithSize:expandedSize]);
NSRect toRect = NSMakeRect(0, expandedSize.height - size.height, size.width, size.height);
NSRect fromRect = NSMakeRect(0, 0, image->width(), image->height());
[expandedImage lockFocus];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[nsImage drawInRect:toRect fromRect:fromRect operation:NSCompositeSourceOver fraction:1];
#pragma clang diagnostic pop
[expandedImage unlockFocus];
return adoptNS([[NSCursor alloc] initWithImage:expandedImage.get() hotSpot:hotSpot]);
}
// Scale the image and its representation to match retina resolution.
[nsImage setSize:expandedSize];
[[[nsImage representations] objectAtIndex:0] setSize:expandedSize];
#endif
return adoptNS([[NSCursor alloc] initWithImage:nsImage hotSpot:hotSpot]);
END_BLOCK_OBJC_EXCEPTIONS;
return nullptr;
}
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:
m_platformCursor = [NSCursor pointingHandCursor];
break;
case Cursor::IBeam:
m_platformCursor = [NSCursor IBeamCursor];
break;
case Cursor::Wait:
m_platformCursor = wkCursor("BusyButClickable");
break;
case Cursor::Help:
m_platformCursor = wkCursor("Help");
break;
case Cursor::Move:
case Cursor::MiddlePanning:
m_platformCursor = wkCursor("Move");
break;
case Cursor::EastResize:
case Cursor::EastPanning:
m_platformCursor = wkCursor("ResizeEast");
break;
case Cursor::NorthResize:
case Cursor::NorthPanning:
m_platformCursor = wkCursor("ResizeNorth");
break;
case Cursor::NorthEastResize:
case Cursor::NorthEastPanning:
m_platformCursor = wkCursor("ResizeNortheast");
break;
case Cursor::NorthWestResize:
case Cursor::NorthWestPanning:
m_platformCursor = wkCursor("ResizeNorthwest");
break;
case Cursor::SouthResize:
case Cursor::SouthPanning:
m_platformCursor = wkCursor("ResizeSouth");
break;
case Cursor::SouthEastResize:
case Cursor::SouthEastPanning:
m_platformCursor = wkCursor("ResizeSoutheast");
break;
case Cursor::SouthWestResize:
case Cursor::SouthWestPanning:
m_platformCursor = wkCursor("ResizeSouthwest");
break;
case Cursor::WestResize:
case Cursor::WestPanning:
m_platformCursor = wkCursor("ResizeWest");
break;
case Cursor::NorthSouthResize:
m_platformCursor = wkCursor("ResizeNorthSouth");
break;
case Cursor::EastWestResize:
m_platformCursor = wkCursor("ResizeEastWest");
break;
case Cursor::NorthEastSouthWestResize:
m_platformCursor = wkCursor("ResizeNortheastSouthwest");
break;
case Cursor::NorthWestSouthEastResize:
m_platformCursor = wkCursor("ResizeNorthwestSoutheast");
break;
case Cursor::ColumnResize:
m_platformCursor = [NSCursor resizeLeftRightCursor];
break;
case Cursor::RowResize:
m_platformCursor = [NSCursor resizeUpDownCursor];
break;
case Cursor::VerticalText:
m_platformCursor = [NSCursor IBeamCursorForVerticalLayout];
break;
case Cursor::Cell:
m_platformCursor = wkCursor("Cell");
break;
case Cursor::ContextMenu:
m_platformCursor = [NSCursor contextualMenuCursor];
break;
case Cursor::Alias:
m_platformCursor = wkCursor("MakeAlias");
break;
case Cursor::Progress:
m_platformCursor = wkCursor("BusyButClickable");
break;
case Cursor::NoDrop:
m_platformCursor = [NSCursor operationNotAllowedCursor];
break;
case Cursor::Copy:
m_platformCursor = [NSCursor dragCopyCursor];
break;
case Cursor::None:
m_platformCursor = adoptNS([[NSCursor alloc] initWithImage:adoptNS([[NSImage alloc] initWithSize:NSMakeSize(1, 1)]).get() hotSpot:NSZeroPoint]);
break;
case Cursor::NotAllowed:
m_platformCursor = [NSCursor operationNotAllowedCursor];
break;
case Cursor::ZoomIn:
m_platformCursor = wkCursor("ZoomIn");
break;
case Cursor::ZoomOut:
m_platformCursor = wkCursor("ZoomOut");
break;
case Cursor::Grab:
m_platformCursor = [NSCursor openHandCursor];
break;
case Cursor::Grabbing:
m_platformCursor = [NSCursor closedHandCursor];
break;
case Cursor::Custom:
#if ENABLE(MOUSE_CURSOR_SCALE)
m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot, m_imageScaleFactor);
#else
m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot);
#endif
break;
}
}
Cursor::Cursor(const Cursor& other)
: m_type(other.m_type)
, m_image(other.m_image)
, m_hotSpot(other.m_hotSpot)
#if ENABLE(MOUSE_CURSOR_SCALE)
, m_imageScaleFactor(other.m_imageScaleFactor)
#endif
, 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;
#if ENABLE(MOUSE_CURSOR_SCALE)
m_imageScaleFactor = other.m_imageScaleFactor;
#endif
m_platformCursor = other.m_platformCursor;
return *this;
}
Cursor::~Cursor()
{
}
NSCursor *Cursor::platformCursor() const
{
ensurePlatformCursor();
return m_platformCursor.get();
}
} // namespace WebCore