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/*
* Copyright (C) 2011-2022 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(LEGACY_PDFKIT_PLUGIN)
#include "PDFPluginBase.h"
#include <WebCore/NetscapePlugInStreamLoader.h>
#include <wtf/HashMap.h>
#include <wtf/Identified.h>
#include <wtf/Range.h>
#include <wtf/RangeSet.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Threading.h>
#include <wtf/URL.h>
#include <wtf/Vector.h>
typedef struct objc_object* id;
OBJC_CLASS CALayer;
OBJC_CLASS NSArray;
OBJC_CLASS NSAttributedString;
OBJC_CLASS NSData;
OBJC_CLASS NSDictionary;
OBJC_CLASS NSEvent;
OBJC_CLASS NSString;
OBJC_CLASS PDFAnnotation;
OBJC_CLASS PDFDocument;
OBJC_CLASS PDFLayerController;
OBJC_CLASS PDFSelection;
OBJC_CLASS WKPDFLayerControllerDelegate;
OBJC_CLASS WKPDFPluginAccessibilityObject;
namespace WebCore {
class AXObjectCache;
class Element;
class FloatPoint;
class FloatSize;
class FragmentedSharedBuffer;
class GraphicsContext;
class HTMLPlugInElement;
class ShareableBitmap;
struct PluginInfo;
}
namespace WebKit {
class PDFPluginAnnotation;
class PDFPluginPasswordField;
class PluginView;
class WebFrame;
class WebKeyboardEvent;
class WebWheelEvent;
struct WebHitTestResultData;
class PDFPlugin final : public PDFPluginBase {
WTF_MAKE_TZONE_ALLOCATED(PDFPlugin);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(PDFPlugin);
public:
static bool pdfKitLayerControllerIsAvailable();
static Ref<PDFPlugin> create(WebCore::HTMLPlugInElement&);
virtual ~PDFPlugin();
void paintControlForLayerInContext(CALayer *, CGContextRef);
void setActiveAnnotation(SetActiveAnnotationParams&&) final;
void notifyContentScaleFactorChanged(CGFloat scaleFactor);
void notifyDisplayModeChanged(int);
// HUD Actions.
#if ENABLE(PDF_HUD)
void zoomIn() final;
void zoomOut() final;
#endif
void clickedLink(NSURL *);
void showDefinitionForAttributedString(NSAttributedString *, CGPoint);
CGRect pluginBoundsForAnnotation(RetainPtr<PDFAnnotation>&) const final;
void focusNextAnnotation() final;
void focusPreviousAnnotation() final;
void attemptToUnlockPDF(const String& password) final;
bool showContextMenuAtPoint(const WebCore::IntPoint&);
WebCore::IntPoint convertFromPluginToPDFView(const WebCore::IntPoint&) const;
WebCore::IntPoint convertFromPDFViewToRootView(const WebCore::IntPoint&) const;
WebCore::IntRect convertFromPDFViewToRootView(const WebCore::IntRect&) const;
WebCore::IntPoint convertFromRootViewToPDFView(const WebCore::IntPoint&) const;
WebCore::FloatRect convertFromPDFViewToScreen(const WebCore::FloatRect&) const;
double scaleFactor() const override;
double contentScaleFactor() const final;
CGSize contentSizeRespectingZoom() const;
private:
explicit PDFPlugin(WebCore::HTMLPlugInElement&);
bool isLegacyPDFPlugin() const override { return true; }
PDFSelection *nextMatchForString(const String& target, bool searchForward, bool caseSensitive, bool wrapSearch, PDFSelection *initialSelection, bool startInSelection);
void didChangeScrollOffset() override;
void invalidateScrollbarRect(WebCore::Scrollbar&, const WebCore::IntRect&) override;
void invalidateScrollCornerRect(const WebCore::IntRect&) override;
void updateScrollbars() override;
Ref<WebCore::Scrollbar> createScrollbar(WebCore::ScrollbarOrientation) override;
void destroyScrollbar(WebCore::ScrollbarOrientation) override;
// PDFPluginBase
WebCore::PluginLayerHostingStrategy layerHostingStrategy() const override { return WebCore::PluginLayerHostingStrategy::PlatformLayer; }
PlatformLayer* platformLayer() const override;
void setView(PluginView&) override;
void teardown() override;
bool isComposited() const override { return true; }
void installPDFDocument() override;
bool geometryDidChange(const WebCore::IntSize& pluginSize, const WebCore::AffineTransform& pluginToRootViewTransform) override;
void deviceScaleFactorChanged(float) override;
void setPageScaleFactor(double, std::optional<WebCore::IntPoint> origin) override;
WebCore::IntSize contentsSize() const override;
unsigned firstPageHeight() const override;
RefPtr<WebCore::FragmentedSharedBuffer> liveResourceData() const override;
bool wantsWheelEvents() const override { return true; }
bool handleMouseEvent(const WebMouseEvent&) override;
bool handleWheelEvent(const WebWheelEvent&) override;
bool handleMouseEnterEvent(const WebMouseEvent&) override;
bool handleMouseLeaveEvent(const WebMouseEvent&) override;
bool handleContextMenuEvent(const WebMouseEvent&) override;
bool handleKeyboardEvent(const WebKeyboardEvent&) override;
bool handleEditingCommand(const String& commandName, const String& argument) override;
bool isEditingCommandEnabled(const String& commandName) override;
String selectionString() const override;
bool existingSelectionContainsPoint(const WebCore::FloatPoint&) const override;
WebCore::FloatRect rectForSelectionInRootView(PDFSelection *) const override;
unsigned countFindMatches(const String& target, WebCore::FindOptions, unsigned maxMatchCount) override;
bool findString(const String& target, WebCore::FindOptions, unsigned maxMatchCount) override;
bool drawsFindOverlay() const final { return true; }
Vector<WebFoundTextRange::PDFData> findTextMatches(const String&, WebCore::FindOptions) final { return { }; }
Vector<WebCore::FloatRect> rectsForTextMatch(const WebFoundTextRange::PDFData&) final { return { }; }
WebCore::DictionaryPopupInfo dictionaryPopupInfoForSelection(PDFSelection *, WebCore::TextIndicatorPresentationTransition) override;
bool performDictionaryLookupAtLocation(const WebCore::FloatPoint&) override;
std::pair<String, RetainPtr<PDFSelection>> textForImmediateActionHitTestAtPoint(const WebCore::FloatPoint&, WebHitTestResultData&) override;
bool shouldCreateTransientPaintingSnapshot() const override { return true; }
RefPtr<WebCore::ShareableBitmap> snapshot() override;
id accessibilityHitTest(const WebCore::IntPoint&) const override;
id accessibilityObject() const override;
NSEvent *nsEventForWebMouseEvent(const WebMouseEvent&);
void updatePageAndDeviceScaleFactors();
void createPasswordEntryForm();
void teardownPasswordEntryForm() override;
NSData *liveData() const override;
RetainPtr<CALayer> m_containerLayer;
RetainPtr<CALayer> m_contentLayer;
RetainPtr<CALayer> m_horizontalScrollbarLayer;
RetainPtr<CALayer> m_verticalScrollbarLayer;
RetainPtr<CALayer> m_scrollCornerLayer;
RetainPtr<PDFLayerController> m_pdfLayerController;
RetainPtr<WKPDFPluginAccessibilityObject> m_accessibilityObject;
RefPtr<PDFPluginPasswordField> m_passwordField;
String m_temporaryPDFUUID;
RetainPtr<WKPDFLayerControllerDelegate> m_pdfLayerControllerDelegate;
URL m_sourceURL;
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::PDFPlugin)
static bool isType(const WebKit::PDFPluginBase& plugin) { return plugin.isLegacyPDFPlugin(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(LEGACY_PDFKIT_PLUGIN)
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