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/*
* Copyright (C) 2004, 2006, 2008 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 Cursor_h
#define Cursor_h
#include "Image.h"
#include "IntPoint.h"
#include <wtf/Assertions.h>
#include <wtf/RefPtr.h>
#if PLATFORM(WIN)
typedef struct HICON__* HICON;
typedef HICON HCURSOR;
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#elif PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#elif PLATFORM(GTK)
#include "GRefPtrGtk.h"
#elif PLATFORM(QT)
#include <QCursor>
#elif PLATFORM(BLACKBERRY)
#include <BlackBerryPlatformCursor.h>
#endif
#if PLATFORM(MAC) && !PLATFORM(IOS)
OBJC_CLASS NSCursor;
#endif
#if PLATFORM(WIN)
typedef struct HICON__ *HICON;
typedef HICON HCURSOR;
#endif
// Looks like it's just PLATFORM(BLACKBERRY) still not using this?
#if PLATFORM(WIN) || PLATFORM(MAC) || PLATFORM(GTK) || PLATFORM(QT) || PLATFORM(EFL)
#define WTF_USE_LAZY_NATIVE_CURSOR 1
#endif
namespace WebCore {
class Image;
#if PLATFORM(WIN)
class SharedCursor : public RefCounted<SharedCursor> {
public:
static PassRefPtr<SharedCursor> create(HCURSOR nativeCursor) { return adoptRef(new SharedCursor(nativeCursor)); }
~SharedCursor();
HCURSOR nativeCursor() const { return m_nativeCursor; }
private:
SharedCursor(HCURSOR nativeCursor) : m_nativeCursor(nativeCursor) { }
HCURSOR m_nativeCursor;
};
typedef RefPtr<SharedCursor> PlatformCursor;
#elif PLATFORM(MAC) && !PLATFORM(IOS)
typedef NSCursor *PlatformCursor;
#elif PLATFORM(GTK)
typedef GRefPtr<GdkCursor> PlatformCursor;
#elif PLATFORM(EFL)
typedef const char* PlatformCursor;
#elif PLATFORM(QT) && !defined(QT_NO_CURSOR)
// Do not need to be shared but need to be created dynamically via ensurePlatformCursor.
typedef QCursor* PlatformCursor;
#elif PLATFORM(BLACKBERRY)
typedef BlackBerry::Platform::BlackBerryCursor PlatformCursor;
#else
typedef void* PlatformCursor;
#endif
class Cursor {
WTF_MAKE_FAST_ALLOCATED;
public:
enum Type {
Pointer = 0,
Cross,
Hand,
IBeam,
Wait,
Help,
EastResize,
NorthResize,
NorthEastResize,
NorthWestResize,
SouthResize,
SouthEastResize,
SouthWestResize,
WestResize,
NorthSouthResize,
EastWestResize,
NorthEastSouthWestResize,
NorthWestSouthEastResize,
ColumnResize,
RowResize,
MiddlePanning,
EastPanning,
NorthPanning,
NorthEastPanning,
NorthWestPanning,
SouthPanning,
SouthEastPanning,
SouthWestPanning,
WestPanning,
Move,
VerticalText,
Cell,
ContextMenu,
Alias,
Progress,
NoDrop,
Copy,
None,
NotAllowed,
ZoomIn,
ZoomOut,
Grab,
Grabbing,
Custom
};
static const Cursor& fromType(Cursor::Type);
Cursor()
#if !PLATFORM(IOS) && !PLATFORM(BLACKBERRY)
#if USE(LAZY_NATIVE_CURSOR)
// This is an invalid Cursor and should never actually get used.
: m_type(static_cast<Type>(-1))
, m_platformCursor(0)
#else
: m_platformCursor(0)
#endif // USE(LAZY_NATIVE_CURSOR)
#endif // !PLATFORM(IOS) && !PLATFORM(BLACKBERRY)
{
}
#if !PLATFORM(IOS)
Cursor(Image*, const IntPoint& hotSpot);
Cursor(const Cursor&);
#if ENABLE(MOUSE_CURSOR_SCALE)
// Hot spot is in image pixels.
Cursor(Image*, const IntPoint& hotSpot, float imageScaleFactor);
#endif
~Cursor();
Cursor& operator=(const Cursor&);
#if USE(LAZY_NATIVE_CURSOR)
explicit Cursor(Type);
Type type() const
{
ASSERT(m_type >= 0 && m_type <= Custom);
return m_type;
}
Image* image() const { return m_image.get(); }
const IntPoint& hotSpot() const { return m_hotSpot; }
#if ENABLE(MOUSE_CURSOR_SCALE)
// Image scale in image pixels per logical (UI) pixel.
float imageScaleFactor() const { return m_imageScaleFactor; }
#endif
PlatformCursor platformCursor() const;
#else
explicit Cursor(PlatformCursor);
PlatformCursor impl() const { return m_platformCursor; }
#endif
private:
#if USE(LAZY_NATIVE_CURSOR)
void ensurePlatformCursor() const;
Type m_type;
RefPtr<Image> m_image;
IntPoint m_hotSpot;
#if ENABLE(MOUSE_CURSOR_SCALE)
float m_imageScaleFactor;
#endif
#endif
#if !PLATFORM(MAC)
mutable PlatformCursor m_platformCursor;
#else
mutable RetainPtr<NSCursor> m_platformCursor;
#endif
#endif // !PLATFORM(IOS)
};
IntPoint determineHotSpot(Image*, const IntPoint& specifiedHotSpot);
const Cursor& pointerCursor();
const Cursor& crossCursor();
const Cursor& handCursor();
const Cursor& moveCursor();
const Cursor& iBeamCursor();
const Cursor& waitCursor();
const Cursor& helpCursor();
const Cursor& eastResizeCursor();
const Cursor& northResizeCursor();
const Cursor& northEastResizeCursor();
const Cursor& northWestResizeCursor();
const Cursor& southResizeCursor();
const Cursor& southEastResizeCursor();
const Cursor& southWestResizeCursor();
const Cursor& westResizeCursor();
const Cursor& northSouthResizeCursor();
const Cursor& eastWestResizeCursor();
const Cursor& northEastSouthWestResizeCursor();
const Cursor& northWestSouthEastResizeCursor();
const Cursor& columnResizeCursor();
const Cursor& rowResizeCursor();
const Cursor& middlePanningCursor();
const Cursor& eastPanningCursor();
const Cursor& northPanningCursor();
const Cursor& northEastPanningCursor();
const Cursor& northWestPanningCursor();
const Cursor& southPanningCursor();
const Cursor& southEastPanningCursor();
const Cursor& southWestPanningCursor();
const Cursor& westPanningCursor();
const Cursor& verticalTextCursor();
const Cursor& cellCursor();
const Cursor& contextMenuCursor();
const Cursor& noDropCursor();
const Cursor& notAllowedCursor();
const Cursor& progressCursor();
const Cursor& aliasCursor();
const Cursor& zoomInCursor();
const Cursor& zoomOutCursor();
const Cursor& copyCursor();
const Cursor& noneCursor();
const Cursor& grabCursor();
const Cursor& grabbingCursor();
} // namespace WebCore
#endif // Cursor_h
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