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/*
* Copyright (C) 2011, 2012 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.
*/
#ifndef SimplePDFPlugin_h
#define SimplePDFPlugin_h
#include "Plugin.h"
#include <WebCore/ScrollableArea.h>
#include <wtf/RetainPtr.h>
typedef const struct OpaqueJSContext* JSContextRef;
typedef struct OpaqueJSValue* JSObjectRef;
typedef const struct OpaqueJSValue* JSValueRef;
OBJC_CLASS NSData;
namespace WebCore {
struct PluginInfo;
}
namespace WebKit {
class PluginView;
class WebFrame;
class SimplePDFPlugin : public Plugin, protected WebCore::ScrollableArea {
public:
static PassRefPtr<SimplePDFPlugin> create(WebFrame*);
~SimplePDFPlugin();
static WebCore::PluginInfo pluginInfo();
// In-process PDFViews don't support asynchronous initialization.
virtual bool isBeingAsynchronouslyInitialized() const { return false; }
void didMutatePDFDocument() { m_pdfDocumentWasMutated = true; }
WebCore::IntSize size() const { return m_size; }
protected:
explicit SimplePDFPlugin(WebFrame*);
WebFrame* webFrame() const { return m_frame; }
void setSize(WebCore::IntSize size) { m_size = size; }
RetainPtr<PDFDocument> pdfDocument() const { return m_pdfDocument; }
void setPDFDocument(RetainPtr<PDFDocument> document) { m_pdfDocument = document; }
WebCore::IntSize pdfDocumentSize() const { return m_pdfDocumentSize; }
void setPDFDocumentSize(WebCore::IntSize size) { m_pdfDocumentSize = size; }
const String& suggestedFilename() { return m_suggestedFilename; }
virtual NSData *liveData() const;
NSData *rawData() const { return (NSData *)m_data.get(); }
bool pdfDocumentWasMutated() const { return m_pdfDocumentWasMutated; }
// Regular plug-ins don't need access to view, but we add scrollbars to embedding FrameView for proper event handling.
PluginView* pluginView();
const PluginView* pluginView() const;
virtual void updateScrollbars();
virtual PassRefPtr<WebCore::Scrollbar> createScrollbar(WebCore::ScrollbarOrientation);
virtual void destroyScrollbar(WebCore::ScrollbarOrientation);
virtual void addArchiveResource();
virtual void pdfDocumentDidLoad();
virtual void computePageBoxes();
virtual void calculateSizes();
void paintBackground(WebCore::GraphicsContext*, const WebCore::IntRect& dirtyRect);
void paintContent(WebCore::GraphicsContext*, const WebCore::IntRect& dirtyRect);
void paintControls(WebCore::GraphicsContext*, const WebCore::IntRect& dirtyRect);
void runScriptsInPDFDocument();
// Plug-in methods
virtual bool initialize(const Parameters&);
virtual void destroy();
virtual void paint(WebCore::GraphicsContext*, const WebCore::IntRect& dirtyRectInWindowCoordinates);
virtual void updateControlTints(WebCore::GraphicsContext*);
virtual bool supportsSnapshotting() const { return false; }
virtual PassRefPtr<ShareableBitmap> snapshot();
#if PLATFORM(MAC)
virtual PlatformLayer* pluginLayer();
#endif
virtual bool isTransparent();
virtual bool wantsWheelEvents() OVERRIDE;
virtual void geometryDidChange(const WebCore::IntSize& pluginSize, const WebCore::IntRect& clipRect, const WebCore::AffineTransform& pluginToRootViewTransform);
virtual void visibilityDidChange();
virtual void frameDidFinishLoading(uint64_t requestID);
virtual void frameDidFail(uint64_t requestID, bool wasCancelled);
virtual void didEvaluateJavaScript(uint64_t requestID, const String& result);
virtual void streamDidReceiveResponse(uint64_t streamID, const WebCore::KURL& responseURL, uint32_t streamLength, uint32_t lastModifiedTime, const String& mimeType, const String& headers, const String& suggestedFileName);
virtual void streamDidReceiveData(uint64_t streamID, const char* bytes, int length);
virtual void streamDidFinishLoading(uint64_t streamID);
virtual void streamDidFail(uint64_t streamID, bool wasCancelled);
virtual void manualStreamDidReceiveResponse(const WebCore::KURL& responseURL, uint32_t streamLength, uint32_t lastModifiedTime, const WTF::String& mimeType, const WTF::String& headers, const String& suggestedFileName);
virtual void manualStreamDidReceiveData(const char* bytes, int length);
virtual void manualStreamDidFinishLoading();
virtual void manualStreamDidFail(bool wasCancelled);
virtual bool handleMouseEvent(const WebMouseEvent&);
virtual bool handleWheelEvent(const WebWheelEvent&);
virtual bool handleMouseEnterEvent(const WebMouseEvent&);
virtual bool handleMouseLeaveEvent(const WebMouseEvent&);
virtual bool handleContextMenuEvent(const WebMouseEvent&);
virtual bool handleKeyboardEvent(const WebKeyboardEvent&);
virtual void setFocus(bool);
virtual NPObject* pluginScriptableNPObject();
#if PLATFORM(MAC)
virtual void windowFocusChanged(bool);
virtual void windowAndViewFramesChanged(const WebCore::IntRect& windowFrameInScreenCoordinates, const WebCore::IntRect& viewFrameInWindowCoordinates);
virtual void windowVisibilityChanged(bool);
virtual void contentsScaleFactorChanged(float);
virtual uint64_t pluginComplexTextInputIdentifier() const;
virtual void sendComplexTextInput(const String& textInput);
virtual void setLayerHostingMode(LayerHostingMode) OVERRIDE;
#endif
virtual void storageBlockingStateChanged(bool);
virtual void privateBrowsingStateChanged(bool);
virtual bool getFormValue(String& formValue);
virtual bool handleScroll(WebCore::ScrollDirection, WebCore::ScrollGranularity);
virtual WebCore::Scrollbar* horizontalScrollbar();
virtual WebCore::Scrollbar* verticalScrollbar();
virtual RetainPtr<PDFDocument> pdfDocumentForPrinting() const OVERRIDE { return m_pdfDocument; }
// ScrollableArea methods.
virtual WebCore::IntRect scrollCornerRect() const OVERRIDE;
virtual WebCore::ScrollableArea* enclosingScrollableArea() const OVERRIDE;
virtual WebCore::IntRect scrollableAreaBoundingBox() const OVERRIDE;
virtual void setScrollOffset(const WebCore::IntPoint&) OVERRIDE;
virtual int scrollSize(WebCore::ScrollbarOrientation) const OVERRIDE;
virtual bool isActive() const OVERRIDE;
virtual void invalidateScrollbarRect(WebCore::Scrollbar*, const WebCore::IntRect&) OVERRIDE;
virtual void invalidateScrollCornerRect(const WebCore::IntRect&) OVERRIDE;
virtual bool isScrollCornerVisible() const OVERRIDE;
virtual int scrollPosition(WebCore::Scrollbar*) const OVERRIDE;
virtual WebCore::IntPoint scrollPosition() const OVERRIDE;
virtual WebCore::IntPoint minimumScrollPosition() const OVERRIDE;
virtual WebCore::IntPoint maximumScrollPosition() const OVERRIDE;
virtual int visibleHeight() const OVERRIDE;
virtual int visibleWidth() const OVERRIDE;
virtual WebCore::IntSize contentsSize() const OVERRIDE;
virtual WebCore::Scrollbar* horizontalScrollbar() const OVERRIDE { return m_horizontalScrollbar.get(); }
virtual WebCore::Scrollbar* verticalScrollbar() const OVERRIDE { return m_verticalScrollbar.get(); }
virtual bool scrollbarsCanBeActive() const OVERRIDE;
virtual bool shouldSuspendScrollAnimations() const OVERRIDE { return false; } // If we return true, ScrollAnimatorMac will keep cycling a timer forever, waiting for a good time to animate.
virtual void scrollbarStyleChanged(int newStyle, bool forceUpdate) OVERRIDE;
virtual WebCore::IntRect convertFromScrollbarToContainingView(const WebCore::Scrollbar*, const WebCore::IntRect& scrollbarRect) const OVERRIDE;
virtual WebCore::IntRect convertFromContainingViewToScrollbar(const WebCore::Scrollbar*, const WebCore::IntRect& parentRect) const OVERRIDE;
virtual WebCore::IntPoint convertFromScrollbarToContainingView(const WebCore::Scrollbar*, const WebCore::IntPoint& scrollbarPoint) const OVERRIDE;
virtual WebCore::IntPoint convertFromContainingViewToScrollbar(const WebCore::Scrollbar*, const WebCore::IntPoint& parentPoint) const OVERRIDE;
virtual bool isEditingCommandEnabled(const String&) OVERRIDE;
virtual bool handleEditingCommand(const String&, const String&) OVERRIDE;
virtual bool handlesPageScaleFactor() OVERRIDE;
virtual bool shouldAllowScripting() OVERRIDE { return false; }
virtual bool shouldAllowNavigationFromDrags() { return true; }
virtual unsigned countFindMatches(const String&, WebCore::FindOptions, unsigned) OVERRIDE { return 0; }
virtual bool findString(const String&, WebCore::FindOptions, unsigned) OVERRIDE { return false; }
virtual PassRefPtr<WebCore::SharedBuffer> liveResourceData() const OVERRIDE;
virtual bool performDictionaryLookupAtLocation(const WebCore::FloatPoint&) OVERRIDE { return false; }
virtual String getSelectionString() const OVERRIDE { return String(); }
WebCore::IntSize m_scrollOffset;
private:
JSObjectRef makeJSPDFDoc(JSContextRef);
static JSValueRef jsPDFDocPrint(JSContextRef, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
void convertPostScriptDataIfNeeded();
virtual bool shouldAlwaysAutoStart() const OVERRIDE { return true; }
WebCore::IntSize m_size;
WebCore::KURL m_sourceURL;
String m_suggestedFilename;
RetainPtr<CFMutableDataRef> m_data;
RetainPtr<PDFDocument> m_pdfDocument;
Vector<WebCore::IntRect> m_pageBoxes;
WebCore::IntSize m_pdfDocumentSize; // All pages, including gaps.
RefPtr<WebCore::Scrollbar> m_horizontalScrollbar;
RefPtr<WebCore::Scrollbar> m_verticalScrollbar;
WebFrame* m_frame;
bool m_isPostScript;
bool m_pdfDocumentWasMutated;
};
} // namespace WebKit
#endif // SimplePDFPlugin_h
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