WebCore/rendering/RenderEmbeddedObject.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderEmbeddedObject.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Simon Hausmann <hausmann@kde.org>
+ * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef RenderEmbeddedObject_h
+#define RenderEmbeddedObject_h
+
+#include "RenderPart.h"
+
+namespace WebCore {
+
+class MouseEvent;
+
+// Renderer for embeds and objects, often, but not always, rendered via plug-ins.
+// For example, <embed src="foo.html"> does not invoke a plug-in.
+class RenderEmbeddedObject : public RenderPart {
+public:
+    RenderEmbeddedObject(Element*);
+    virtual ~RenderEmbeddedObject();
+
+    void updateWidget(bool onlyCreateNonNetscapePlugins);
+    void setShowsMissingPluginIndicator();
+    void setShowsCrashedPluginIndicator();
+    bool showsMissingPluginIndicator() const { return m_showsMissingPluginIndicator; }
+
+    bool hasFallbackContent() const { return m_hasFallbackContent; }
+
+    void handleMissingPluginIndicatorEvent(Event*);
+
+#if USE(ACCELERATED_COMPOSITING)
+    virtual bool allowsAcceleratedCompositing() const;
+#endif
+
+private:
+    virtual const char* renderName() const { return "RenderEmbeddedObject"; }
+    virtual bool isEmbeddedObject() const { return true; }
+
+    virtual void paintReplaced(PaintInfo&, int, int);
+    virtual void paint(PaintInfo& paintInfo, int, int);
+
+#if USE(ACCELERATED_COMPOSITING)
+    virtual bool requiresLayer() const;
+#endif
+
+    virtual void layout();
+    virtual void viewCleared();
+    
+    void setMissingPluginIndicatorIsPressed(bool);
+    bool isInMissingPluginIndicator(MouseEvent*);
+    bool getReplacementTextGeometry(int tx, int ty, FloatRect& contentRect, Path&, FloatRect& replacementTextRect, Font&, TextRun&, float& textWidth);
+
+    String m_replacementText;
+    bool m_hasFallbackContent;
+    bool m_showsMissingPluginIndicator;
+    bool m_missingPluginIndicatorIsPressed;
+    bool m_mouseDownWasInMissingPluginIndicator;
+};
+
+inline RenderEmbeddedObject* toRenderEmbeddedObject(RenderObject* object)
+{
+    ASSERT(!object || !strcmp(object->renderName(), "RenderEmbeddedObject"));
+    return static_cast<RenderEmbeddedObject*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderEmbeddedObject(const RenderEmbeddedObject*);
+
+} // namespace WebCore
+
+#endif // RenderEmbeddedObject_h