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/*
* Copyright (C) 2024 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
#if ENABLE(UNIFIED_PDF_DATA_DETECTION)
#include "PDFDocumentLayout.h"
#include <WebCore/DataDetectorHighlight.h>
#include <WebCore/GraphicsLayer.h>
#include <WebCore/PageOverlay.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
#include <wtf/OptionSet.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeWeakPtr.h>
namespace WebCore {
class GraphicsContext;
class GraphicsLayer;
class GraphicsLayerClient;
class IntRect;
class LocalFrame;
class PlatformMouseEvent;
enum class RenderingUpdateStep : uint32_t;
}
namespace WebKit {
class PDFDataDetectorItem;
class UnifiedPDFPlugin;
class WebMouseEvent;
class PDFDataDetectorOverlayController final : private WebCore::PageOverlayClient, WebCore::DataDetectorHighlightClient {
WTF_MAKE_TZONE_ALLOCATED(PDFDataDetectorOverlayController);
WTF_MAKE_NONCOPYABLE(PDFDataDetectorOverlayController);
public:
explicit PDFDataDetectorOverlayController(UnifiedPDFPlugin&);
virtual ~PDFDataDetectorOverlayController();
void teardown();
bool handleMouseEvent(const WebMouseEvent&, PDFDocumentLayout::PageIndex);
RefPtr<WebCore::PageOverlay> protectedOverlay() const { return m_overlay; }
enum class ShouldUpdatePlatformHighlightData : bool { No, Yes };
enum class ActiveHighlightChanged : bool { No, Yes };
void didInvalidateHighlightOverlayRects(std::optional<PDFDocumentLayout::PageIndex> = { }, ShouldUpdatePlatformHighlightData = ShouldUpdatePlatformHighlightData::Yes, ActiveHighlightChanged = ActiveHighlightChanged::No);
void hideActiveHighlightOverlay();
private:
// PageOverlayClient
void willMoveToPage(WebCore::PageOverlay&, WebCore::Page*) final;
void didMoveToPage(WebCore::PageOverlay&, WebCore::Page*) final { }
void drawRect(WebCore::PageOverlay&, WebCore::GraphicsContext&, const WebCore::IntRect&) final { }
bool mouseEvent(WebCore::PageOverlay&, const WebCore::PlatformMouseEvent&) final { return false; }
void didScrollFrame(WebCore::PageOverlay&, WebCore::LocalFrame&) final { }
// DataDetectorHighlightClient
WebCore::DataDetectorHighlight* activeHighlight() const final { return m_activeDataDetectorItemWithHighlight.second.get(); }
void scheduleRenderingUpdate(OptionSet<WebCore::RenderingUpdateStep>) final;
float deviceScaleFactor() const final;
RefPtr<WebCore::GraphicsLayer> createGraphicsLayer(WebCore::GraphicsLayerClient&) final;
WebCore::PageOverlay& installOverlayIfNeeded();
void uninstallOverlay();
RetainPtr<DDHighlightRef> createPlatformDataDetectorHighlight(PDFDataDetectorItem&) const;
void updatePlatformHighlightData(PDFDocumentLayout::PageIndex);
void updateDataDetectorHighlightsIfNeeded(PDFDocumentLayout::PageIndex);
bool handleDataDetectorAction(const WebCore::IntPoint&, PDFDataDetectorItem&);
RefPtr<UnifiedPDFPlugin> protectedPlugin() const;
ThreadSafeWeakPtr<UnifiedPDFPlugin> m_plugin;
RefPtr<WebCore::PageOverlay> m_overlay;
using PDFDataDetectorItemWithHighlight = std::pair<Ref<PDFDataDetectorItem>, Ref<WebCore::DataDetectorHighlight>>;
using PDFDataDetectorItemWithHighlightPtr = std::pair<RefPtr<PDFDataDetectorItem>, RefPtr<WebCore::DataDetectorHighlight>>;
using PDFDataDetectorItemsWithHighlights = Vector<PDFDataDetectorItemWithHighlight>;
template <typename Key, typename Value>
using HashMapWithUnsignedIntegralZeroKeyAllowed = HashMap<Key, Value, WTF::IntHash<Key>, WTF::UnsignedWithZeroKeyHashTraits<Key>>;
using PDFDataDetectorItemsWithHighlightsMap = HashMapWithUnsignedIntegralZeroKeyAllowed<PDFDocumentLayout::PageIndex, PDFDataDetectorItemsWithHighlights>;
PDFDataDetectorItemsWithHighlightsMap m_pdfDataDetectorItemsWithHighlightsMap;
PDFDataDetectorItemWithHighlightPtr m_activeDataDetectorItemWithHighlight;
PDFDataDetectorItemWithHighlightPtr m_staleDataDetectorItemWithHighlight;
};
} // namespace WebKit
#endif // ENABLE(UNIFIED_PDF_DATA_DETECTION)
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