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/*
* Copyright (C) 2010-2022 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(PDFKIT_PLUGIN)
#include <WebCore/FindOptions.h>
#include <WebCore/PluginViewBase.h>
#include <WebCore/ResourceResponse.h>
#include <WebCore/SharedBuffer.h>
#include <WebCore/Timer.h>
#include <memory>
#include <wtf/RunLoop.h>
OBJC_CLASS NSDictionary;
OBJC_CLASS PDFDocument;
OBJC_CLASS PDFSelection;
namespace WebCore {
class HTMLPlugInElement;
class LocalFrame;
}
namespace WebKit {
class PDFPlugin;
class ShareableBitmap;
class WebPage;
struct WebHitTestResultData;
class PluginView final : public WebCore::PluginViewBase {
public:
static RefPtr<PluginView> create(WebCore::HTMLPlugInElement&, const URL&, const String& contentType, bool shouldUseManualLoader);
WebCore::LocalFrame* frame() const;
bool isBeingDestroyed() const;
void manualLoadDidReceiveResponse(const WebCore::ResourceResponse&);
void manualLoadDidReceiveData(const WebCore::SharedBuffer&);
void manualLoadDidFinishLoading();
void manualLoadDidFail();
void setDeviceScaleFactor(float);
RetainPtr<PDFDocument> pdfDocumentForPrinting() const;
WebCore::FloatSize pdfDocumentSizeForPrinting() const;
id accessibilityHitTest(const WebCore::IntPoint&) const final;
id accessibilityObject() const final;
id accessibilityAssociatedPluginParentForElement(WebCore::Element*) const final;
WebCore::HTMLPlugInElement& pluginElement() const { return m_pluginElement; }
const URL& mainResourceURL() const { return m_mainResourceURL; }
void setPageScaleFactor(double);
double pageScaleFactor() const;
void pageScaleFactorDidChange();
void topContentInsetDidChange();
void webPageDestroyed();
bool handleEditingCommand(const String& commandName, const String& argument);
bool isEditingCommandEnabled(const String& commandName);
unsigned countFindMatches(const String& target, WebCore::FindOptions, unsigned maxMatchCount);
bool findString(const String& target, WebCore::FindOptions, unsigned maxMatchCount);
String getSelectionString() const;
RefPtr<WebCore::FragmentedSharedBuffer> liveResourceData() const;
bool performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
bool existingSelectionContainsPoint(const WebCore::FloatPoint&) const;
std::tuple<String, PDFSelection *, NSDictionary *> lookupTextAtLocation(const WebCore::FloatPoint&, WebHitTestResultData&) const;
WebCore::FloatRect rectForSelectionInRootView(PDFSelection *) const;
CGFloat contentScaleFactor() const;
bool isUsingUISideCompositing() const;
private:
PluginView(WebCore::HTMLPlugInElement&, const URL&, const String& contentType, bool shouldUseManualLoader, WebPage&);
virtual ~PluginView();
void initializePlugin();
void viewGeometryDidChange();
void viewVisibilityDidChange();
WebCore::IntRect clipRectInWindowCoordinates() const;
void focusPluginElement();
void pendingResourceRequestTimerFired();
void loadMainResource();
void redeliverManualStream();
bool shouldCreateTransientPaintingSnapshot() const;
// WebCore::PluginViewBase
PlatformLayer* platformLayer() const final;
bool scroll(WebCore::ScrollDirection, WebCore::ScrollGranularity) final;
WebCore::ScrollPosition scrollPositionForTesting() const final;
WebCore::Scrollbar* horizontalScrollbar() final;
WebCore::Scrollbar* verticalScrollbar() final;
bool wantsWheelEvents() final;
bool shouldAllowNavigationFromDrags() const final;
void willDetachRenderer() final;
// WebCore::Widget
void setFrameRect(const WebCore::IntRect&) final;
void paint(WebCore::GraphicsContext&, const WebCore::IntRect&, WebCore::Widget::SecurityOriginPaintPolicy, WebCore::RegionContext*) final;
void invalidateRect(const WebCore::IntRect&) final;
void frameRectsChanged() final;
void setParent(WebCore::ScrollView*) final;
void handleEvent(WebCore::Event&) final;
void notifyWidget(WebCore::WidgetNotification) final;
void show() final;
void hide() final;
void setParentVisible(bool) final;
bool transformsAffectFrameRect() final;
void clipRectChanged() final;
Ref<WebCore::HTMLPlugInElement> m_pluginElement;
Ref<PDFPlugin> m_plugin;
WeakPtr<WebPage> m_webPage;
URL m_mainResourceURL;
String m_mainResourceContentType;
bool m_shouldUseManualLoader { false };
bool m_isInitialized { false };
// Pending request that the plug-in has made.
std::unique_ptr<const WebCore::ResourceRequest> m_pendingResourceRequest;
RunLoop::Timer m_pendingResourceRequestTimer;
// Stream that the plug-in has requested to load.
class Stream;
RefPtr<Stream> m_stream;
// The manual stream state. We deliver a manual stream to a plug-in when it is initialized.
enum class ManualStreamState { Initial, HasReceivedResponse, Finished, Failed };
ManualStreamState m_manualStreamState { ManualStreamState::Initial };
WebCore::ResourceResponse m_manualStreamResponse;
WebCore::SharedBufferBuilder m_manualStreamData;
// This snapshot is used to avoid side effects should the plugin run JS during painting.
RefPtr<ShareableBitmap> m_transientPaintingSnapshot;
double m_pageScaleFactor { 1 };
};
} // namespace WebKit
#endif
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