1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 2000 Simon Hausmann <hausmann@kde.org> 4 * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef RenderEmbeddedObject_h 24 #define RenderEmbeddedObject_h 25 26 #include "core/rendering/RenderPart.h" 27 28 namespace WebCore { 29 30 class MouseEvent; 31 class TextRun; 32 33 // Renderer for embeds and objects, often, but not always, rendered via plug-ins. 34 // For example, <embed src="foo.html"> does not invoke a plug-in. 35 class RenderEmbeddedObject : public RenderPart { 36 public: 37 RenderEmbeddedObject(Element*); 38 virtual ~RenderEmbeddedObject(); 39 40 enum PluginUnavailabilityReason { 41 PluginMissing, 42 PluginBlockedByContentSecurityPolicy, 43 }; 44 void setPluginUnavailabilityReason(PluginUnavailabilityReason); 45 bool showsUnavailablePluginIndicator() const; 46 47 // FIXME: This belongs on HTMLObjectElement. hasFallbackContent()48 bool hasFallbackContent() const { return m_hasFallbackContent; } setHasFallbackContent(bool hasFallbackContent)49 void setHasFallbackContent(bool hasFallbackContent) { m_hasFallbackContent = hasFallbackContent; } 50 51 bool allowsAcceleratedCompositing() const; 52 53 protected: 54 virtual void paintReplaced(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL; 55 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL; 56 children()57 const RenderObjectChildList* children() const { return &m_children; } children()58 RenderObjectChildList* children() { return &m_children; } 59 60 protected: 61 virtual void layout() OVERRIDE FINAL; 62 63 private: renderName()64 virtual const char* renderName() const { return "RenderEmbeddedObject"; } isEmbeddedObject()65 virtual bool isEmbeddedObject() const OVERRIDE FINAL { return true; } 66 67 void paintSnapshotImage(PaintInfo&, const LayoutPoint&, Image*); 68 virtual void paintContents(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL; 69 70 virtual bool requiresLayer() const OVERRIDE FINAL; 71 72 virtual void viewCleared() OVERRIDE FINAL; 73 74 virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier) OVERRIDE FINAL; 75 76 bool getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, Path&, FloatRect& replacementTextRect, Font&, TextRun&, float& textWidth) const; 77 78 virtual bool canHaveChildren() const OVERRIDE FINAL; virtualChildren()79 virtual RenderObjectChildList* virtualChildren() OVERRIDE FINAL { return children(); } virtualChildren()80 virtual const RenderObjectChildList* virtualChildren() const OVERRIDE FINAL { return children(); } 81 82 bool m_hasFallbackContent; // FIXME: This belongs on HTMLObjectElement. 83 84 bool m_showsUnavailablePluginIndicator; 85 PluginUnavailabilityReason m_pluginUnavailabilityReason; 86 String m_unavailablePluginReplacementText; 87 RenderObjectChildList m_children; 88 }; 89 90 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderEmbeddedObject, isEmbeddedObject()); 91 92 } // namespace WebCore 93 94 #endif // RenderEmbeddedObject_h 95