third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h

   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 LayoutEmbeddedObject_h
  24 #define LayoutEmbeddedObject_h
  25
  26 #include "core/layout/LayoutPart.h"
  27
  28 namespace blink {
  29
  30 class TextRun;
  31
  32 // LayoutObject for embeds and objects, often, but not always, rendered via plugins.
  33 // For example, <embed src="foo.html"> does not invoke a plugin.
  34 class LayoutEmbeddedObject : public LayoutPart {
  35 public:
  36     LayoutEmbeddedObject(Element*);
  37     ~LayoutEmbeddedObject() override;
  38
  39     enum PluginUnavailabilityReason {
  40         PluginMissing,
  41         PluginBlockedByContentSecurityPolicy,
  42     };
  43     void setPluginUnavailabilityReason(PluginUnavailabilityReason);
  44     bool showsUnavailablePluginIndicator() const;
  45
  46     const char* name() const override { return "LayoutEmbeddedObject"; }
  47
  48     const String& unavailablePluginReplacementText() const { return m_unavailablePluginReplacementText; }
  49
  50 private:
  51     void paintContents(const PaintInfo&, const LayoutPoint&) final;
  52     void paintReplaced(const PaintInfo&, const LayoutPoint&) final;
  53     void paint(const PaintInfo&, const LayoutPoint&) final;
  54
  55     void layout() final;
  56     PaintInvalidationReason invalidatePaintIfNeeded(PaintInvalidationState&, const LayoutBoxModelObject&) final;
  57
  58     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectEmbeddedObject || LayoutPart::isOfType(type); }
  59     LayoutBox* embeddedContentBox() const final;
  60
  61     DeprecatedPaintLayerType layerTypeRequired() const final;
  62
  63     ScrollResultOneDimensional scroll(ScrollDirectionPhysical, ScrollGranularity, float multiplier) final;
  64
  65     CompositingReasons additionalCompositingReasons() const override;
  66
  67     bool m_showsUnavailablePluginIndicator;
  68     PluginUnavailabilityReason m_pluginUnavailabilityReason;
  69     String m_unavailablePluginReplacementText;
  70 };
  71
  72 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutEmbeddedObject, isEmbeddedObject());
  73
  74 } // namespace blink
  75
  76 #endif // LayoutEmbeddedObject_h