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 "RenderWidget.h" 27 28namespace WebCore { 29 30class HTMLAppletElement; 31class MouseEvent; 32class TextRun; 33 34// Renderer for embeds and objects, often, but not always, rendered via plug-ins. 35// For example, <embed src="foo.html"> does not invoke a plug-in. 36class RenderEmbeddedObject : public RenderWidget { 37public: 38 RenderEmbeddedObject(HTMLFrameOwnerElement&, PassRef<RenderStyle>); 39 virtual ~RenderEmbeddedObject(); 40 41 static RenderPtr<RenderEmbeddedObject> createForApplet(HTMLAppletElement&, PassRef<RenderStyle>); 42 43 enum PluginUnavailabilityReason { 44 PluginMissing, 45 PluginCrashed, 46 PluginBlockedByContentSecurityPolicy, 47 InsecurePluginVersion, 48 }; 49 void setPluginUnavailabilityReason(PluginUnavailabilityReason); 50 void setPluginUnavailabilityReasonWithDescription(PluginUnavailabilityReason, const String& description); 51 52 bool isPluginUnavailable() const { return m_isPluginUnavailable; } 53 bool showsUnavailablePluginIndicator() const { return isPluginUnavailable() && !m_isUnavailablePluginIndicatorHidden; } 54 55 void setUnavailablePluginIndicatorIsHidden(bool); 56 57 void handleUnavailablePluginIndicatorEvent(Event*); 58 59 bool isReplacementObscured() const; 60 61 bool allowsAcceleratedCompositing() const; 62 63protected: 64 virtual void paintReplaced(PaintInfo&, const LayoutPoint&) override final; 65 virtual void paint(PaintInfo&, const LayoutPoint&) override; 66 67 virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const override; 68 69protected: 70 virtual void layout() override; 71 72private: 73 virtual const char* renderName() const override { return "RenderEmbeddedObject"; } 74 virtual bool isEmbeddedObject() const override final { return true; } 75 76 void paintSnapshotImage(PaintInfo&, const LayoutPoint&, Image*); 77 virtual void paintContents(PaintInfo&, const LayoutPoint&) override final; 78 79 virtual bool requiresLayer() const override final; 80 81 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override final; 82 83 virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1, Element** stopElement = nullptr, RenderBox* startBox = nullptr, const IntPoint& wheelEventAbsolutePoint = IntPoint()) override final; 84 virtual bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier, Element** stopElement) override final; 85 86 void setUnavailablePluginIndicatorIsPressed(bool); 87 bool isInUnavailablePluginIndicator(MouseEvent*) const; 88 bool isInUnavailablePluginIndicator(const LayoutPoint&) const; 89 bool getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, FloatRect& indicatorRect, FloatRect& replacementTextRect, FloatRect& arrowRect, Font&, TextRun&, float& textWidth) const; 90 LayoutRect unavailablePluginIndicatorBounds(const LayoutPoint&) const; 91 92 virtual bool canHaveChildren() const override final; 93 virtual bool canHaveWidget() const { return true; } 94 95 bool m_isPluginUnavailable; 96 bool m_isUnavailablePluginIndicatorHidden; 97 PluginUnavailabilityReason m_pluginUnavailabilityReason; 98 String m_unavailablePluginReplacementText; 99 bool m_unavailablePluginIndicatorIsPressed; 100 bool m_mouseDownWasInUnavailablePluginIndicator; 101 String m_unavailabilityDescription; 102}; 103 104RENDER_OBJECT_TYPE_CASTS(RenderEmbeddedObject, isEmbeddedObject()) 105 106} // namespace WebCore 107 108#endif // RenderEmbeddedObject_h 109