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/*
* Copyright (C) 2016 Igalia S.L.
*
* 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.
*/
#pragma once
#if !USE(GTK4) && USE(CAIRO)
#include "Color.h"
#include "IntSize.h"
#include <gtk/gtk.h>
#include <wtf/OptionSet.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
#include <wtf/glib/GRefPtr.h>
#include <wtf/text/CString.h>
namespace WebCore {
class FloatRect;
class RenderThemeGadget {
WTF_MAKE_TZONE_ALLOCATED(RenderThemeGadget);
WTF_MAKE_NONCOPYABLE(RenderThemeGadget);
public:
enum class Type {
Generic,
Scrollbar,
};
struct Info {
Type type;
const char* name;
Vector<const char*> classList;
};
static std::unique_ptr<RenderThemeGadget> create(const Info&, RenderThemeGadget* parent = nullptr, const Vector<RenderThemeGadget::Info> siblings = Vector<RenderThemeGadget::Info>(), unsigned position = 0);
RenderThemeGadget(const Info&, RenderThemeGadget* parent, const Vector<RenderThemeGadget::Info> siblings, unsigned position);
virtual ~RenderThemeGadget();
virtual IntSize preferredSize() const;
virtual bool render(cairo_t*, const FloatRect&, FloatRect* = nullptr);
virtual IntSize minimumSize() const;
GtkBorder contentsBox() const;
Color color() const;
Color backgroundColor() const;
double opacity() const;
GtkStyleContext* context() const { return m_context.get(); }
GtkStateFlags state() const;
void setState(GtkStateFlags);
protected:
GtkBorder marginBox() const;
GtkBorder borderBox() const;
GtkBorder paddingBox() const;
GRefPtr<GtkStyleContext> m_context;
};
class RenderThemeBoxGadget final : public RenderThemeGadget {
public:
RenderThemeBoxGadget(const RenderThemeGadget::Info&, GtkOrientation, const Vector<RenderThemeGadget::Info> children, RenderThemeGadget* parent = nullptr);
IntSize preferredSize() const override;
RenderThemeGadget* child(unsigned index) const { return m_children[index].get(); }
private:
Vector<std::unique_ptr<RenderThemeGadget>> m_children;
GtkOrientation m_orientation { GTK_ORIENTATION_HORIZONTAL };
};
class RenderThemeScrollbarGadget final : public RenderThemeGadget {
public:
RenderThemeScrollbarGadget(const Info&, RenderThemeGadget* parent, const Vector<RenderThemeGadget::Info> siblings, unsigned position);
enum class Steppers {
Backward = 1 << 0,
Forward = 1 << 1,
SecondaryBackward = 1 << 2,
SecondaryForward = 1 << 3
};
OptionSet<Steppers> steppers() const { return m_steppers; };
void renderStepper(cairo_t*, const FloatRect&, RenderThemeGadget*, GtkOrientation, Steppers);
private:
OptionSet<Steppers> m_steppers;
};
} // namespace WebCore
#endif // !USE(GTK4) && USE(CAIRO)
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