Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 173 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/Plugins/PDF/BuiltInPDFView.h b/Source/WebKit2/WebProcess/Plugins/PDF/BuiltInPDFView.h
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+++ b/Source/WebKit2/WebProcess/Plugins/PDF/BuiltInPDFView.h
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2011 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 BuiltInPDFView_h
+#define BuiltInPDFView_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;
+
+namespace WebCore {
+    struct PluginInfo;
+}
+
+namespace WebKit {
+
+class PluginView;
+class WebFrame;
+
+class BuiltInPDFView : public Plugin, private WebCore::ScrollableArea {
+public:
+    static PassRefPtr<BuiltInPDFView> create(WebFrame*);
+    ~BuiltInPDFView();
+
+    static WebCore::PluginInfo pluginInfo();
+
+private:
+    explicit BuiltInPDFView(WebFrame*);
+
+    // 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;
+
+    void updateScrollbars();
+    void didAddHorizontalScrollbar(WebCore::Scrollbar*);
+    void willRemoveHorizontalScrollbar(WebCore::Scrollbar*);
+    void didAddVerticalScrollbar(WebCore::Scrollbar*);
+    void willRemoveVerticalScrollbar(WebCore::Scrollbar*);
+    PassRefPtr<WebCore::Scrollbar> createScrollbar(WebCore::ScrollbarOrientation);
+    void destroyScrollbar(WebCore::ScrollbarOrientation);
+    void addArchiveResource();
+    void pdfDocumentDidLoad();
+    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);
+
+    // 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 PassRefPtr<ShareableBitmap> snapshot();
+#if PLATFORM(MAC)
+    virtual PlatformLayer* pluginLayer();
+#endif
+    virtual bool isTransparent();
+    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);
+#endif
+
+    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<CGPDFDocumentRef> pdfDocumentForPrinting() const OVERRIDE { return m_pdfDocument; }
+
+    // ScrollableArea methods.
+    virtual WebCore::IntRect scrollCornerRect() const;
+    virtual WebCore::ScrollableArea* enclosingScrollableArea() const;
+    virtual void setScrollOffset(const WebCore::IntPoint&);
+    virtual int scrollSize(WebCore::ScrollbarOrientation) const;
+    virtual bool isActive() const;
+    virtual void invalidateScrollbarRect(WebCore::Scrollbar*, const WebCore::IntRect&);
+    virtual void invalidateScrollCornerRect(const WebCore::IntRect&);
+    virtual bool isScrollCornerVisible() const;
+    virtual int scrollPosition(WebCore::Scrollbar*) const;
+    virtual WebCore::IntPoint scrollPosition() const;
+    virtual WebCore::IntPoint minimumScrollPosition() const;
+    virtual WebCore::IntPoint maximumScrollPosition() const;
+    virtual int visibleHeight() const;
+    virtual int visibleWidth() const;
+    virtual WebCore::IntSize contentsSize() const;
+    virtual WebCore::Scrollbar* horizontalScrollbar() const  { return m_horizontalScrollbar.get(); }
+    virtual WebCore::Scrollbar* verticalScrollbar() const { return m_verticalScrollbar.get(); }
+    virtual bool isOnActivePage() const;
+    virtual void disconnectFromPage() { m_frame = 0; }
+    virtual bool shouldSuspendScrollAnimations() const { 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);
+    virtual void zoomAnimatorTransformChanged(float, float, float, ZoomAnimationState) { }
+
+    // FIXME: Implement the other conversion functions; this one is enough to get scrollbar hit testing working.
+    virtual WebCore::IntPoint convertFromContainingViewToScrollbar(const WebCore::Scrollbar*, const WebCore::IntPoint& parentPoint) const;
+
+    JSObjectRef makeJSPDFDoc(JSContextRef);
+    static JSValueRef jsPDFDocPrint(JSContextRef, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
+
+    WebCore::IntSize m_pluginSize;
+
+    WebCore::KURL m_sourceURL;
+
+    String m_suggestedFilename;
+    RetainPtr<CFMutableDataRef> m_dataBuffer;
+
+    RetainPtr<CGPDFDocumentRef> 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;
+
+    WebCore::IntSize m_scrollOffset;
+};
+
+} // namespace WebKit
+
+#endif // BuiltInPDFView_h