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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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(GRAPHICS_LAYER_WC)
#include "BackingStore.h"
#include "DrawingAreaProxy.h"
#include <wtf/RefCounted.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
class Region;
}
namespace WebKit {
class DrawingAreaProxyWC final : public DrawingAreaProxy, public RefCounted<DrawingAreaProxyWC> {
WTF_MAKE_TZONE_ALLOCATED(DrawingAreaProxyWC);
WTF_MAKE_NONCOPYABLE(DrawingAreaProxyWC);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(DrawingAreaProxyWC);
public:
static Ref<DrawingAreaProxyWC> create(WebPageProxy&, WebProcessProxy&);
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
void paint(PlatformPaintContextPtr, const WebCore::IntRect&, WebCore::Region& unpaintedRegion);
private:
DrawingAreaProxyWC(WebPageProxy&, WebProcessProxy&);
// DrawingAreaProxy
void deviceScaleFactorDidChange(CompletionHandler<void()>&&) override;
void sizeDidChange() override;
bool shouldSendWheelEventsToEventDispatcher() const final { return true; }
// message handers
void update(uint64_t, UpdateInfo&&) override;
void enterAcceleratedCompositingMode(uint64_t, const LayerTreeContext&) override;
void incorporateUpdate(UpdateInfo&&);
void discardBackingStore();
uint64_t m_currentBackingStoreStateID { 0 };
std::optional<BackingStore> m_backingStore;
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_DRAWING_AREA_PROXY(DrawingAreaProxyWC, DrawingAreaType::WC)
#endif // USE(GRAPHICS_LAYER_WC)
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