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/*
* Copyright (C) 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. 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
#include "PlatformLayer.h"
#include "ScrollTypes.h"
#include "Widget.h"
#if PLATFORM(COCOA)
typedef struct objc_object* id;
#endif
namespace WebCore {
class Element;
class GraphicsLayer;
class ScrollableArea;
class Scrollbar;
class VoidCallback;
enum class PluginLayerHostingStrategy : uint8_t {
None,
PlatformLayer,
GraphicsLayer
};
// FIXME: Move these virtual functions all into the Widget class and get rid of this class.
class PluginViewBase : public Widget {
public:
virtual PluginLayerHostingStrategy layerHostingStrategy() const { return PluginLayerHostingStrategy::None; }
virtual PlatformLayer* platformLayer() const { return nullptr; }
virtual GraphicsLayer* graphicsLayer() const { return nullptr; }
virtual void layerHostingStrategyDidChange() { }
virtual bool scroll(ScrollDirection, ScrollGranularity) { return false; }
virtual ScrollPosition scrollPositionForTesting() const { return { }; }
virtual Scrollbar* horizontalScrollbar() { return nullptr; }
virtual Scrollbar* verticalScrollbar() { return nullptr; }
virtual bool wantsWheelEvents() { return false; }
virtual bool shouldAllowNavigationFromDrags() const { return false; }
virtual void willDetachRenderer() { }
virtual ScrollableArea* scrollableArea() const { return nullptr; }
virtual bool usesAsyncScrolling() const { return false; }
virtual std::optional<ScrollingNodeID> scrollingNodeID() const { return std::nullopt; }
virtual void willAttachScrollingNode() { }
virtual void didAttachScrollingNode() { }
#if PLATFORM(COCOA)
virtual id accessibilityAssociatedPluginParentForElement(Element*) const { return nullptr; }
#endif
virtual void setPDFDisplayModeForTesting(const String&) { }
virtual bool sendEditingCommandToPDFForTesting(const String&, const String&) { return false; }
virtual Vector<FloatRect> pdfAnnotationRectsForTesting() const { return { }; }
virtual void unlockPDFDocumentForTesting(const String&) { }
virtual void setPDFTextAnnotationValueForTesting(unsigned /* pageIndex */, unsigned /* annotationIndex */, const String& /* value */) { };
virtual void releaseMemory() { }
protected:
explicit PluginViewBase(PlatformWidget widget = 0) : Widget(widget) { }
private:
bool isPluginViewBase() const final { return true; }
friend class Internals;
virtual void registerPDFTestCallback(RefPtr<VoidCallback>&&) { };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_WIDGET(PluginViewBase, isPluginViewBase())
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