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 | #pragma once |
24 | |
25 | #include "RenderWidget.h" |
26 | |
27 | namespace WebCore { |
28 | |
29 | class HTMLAppletElement; |
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 RenderWidget { |
36 | WTF_MAKE_ISO_ALLOCATED(RenderEmbeddedObject); |
37 | public: |
38 | RenderEmbeddedObject(HTMLFrameOwnerElement&, RenderStyle&&); |
39 | virtual ~RenderEmbeddedObject(); |
40 | |
41 | static RenderPtr<RenderEmbeddedObject> createForApplet(HTMLAppletElement&, RenderStyle&&); |
42 | |
43 | enum PluginUnavailabilityReason { |
44 | PluginMissing, |
45 | PluginCrashed, |
46 | PluginBlockedByContentSecurityPolicy, |
47 | InsecurePluginVersion, |
48 | UnsupportedPlugin, |
49 | PluginTooSmall |
50 | }; |
51 | PluginUnavailabilityReason pluginUnavailabilityReason() const { return m_pluginUnavailabilityReason; }; |
52 | WEBCORE_EXPORT void setPluginUnavailabilityReason(PluginUnavailabilityReason); |
53 | WEBCORE_EXPORT void setPluginUnavailabilityReasonWithDescription(PluginUnavailabilityReason, const String& description); |
54 | |
55 | bool isPluginUnavailable() const { return m_isPluginUnavailable; } |
56 | |
57 | WEBCORE_EXPORT void setUnavailablePluginIndicatorIsHidden(bool); |
58 | |
59 | void handleUnavailablePluginIndicatorEvent(Event*); |
60 | |
61 | bool allowsAcceleratedCompositing() const; |
62 | |
63 | LayoutRect unavailablePluginIndicatorBounds(const LayoutPoint& accumulatedOffset) const; |
64 | |
65 | const String& pluginReplacementTextIfUnavailable() const { return m_unavailablePluginReplacementText; } |
66 | |
67 | protected: |
68 | void paintReplaced(PaintInfo&, const LayoutPoint&) final; |
69 | void paint(PaintInfo&, const LayoutPoint&) override; |
70 | |
71 | CursorDirective getCursor(const LayoutPoint&, Cursor&) const override; |
72 | |
73 | protected: |
74 | void layout() override; |
75 | void willBeDestroyed() override; |
76 | |
77 | private: |
78 | const char* renderName() const override { return "RenderEmbeddedObject" ; } |
79 | bool isEmbeddedObject() const final { return true; } |
80 | |
81 | bool showsUnavailablePluginIndicator() const { return isPluginUnavailable() && m_isUnavailablePluginIndicatorState != UnavailablePluginIndicatorState::Hidden; } |
82 | void paintSnapshotImage(PaintInfo&, const LayoutPoint&, Image&); |
83 | void paintContents(PaintInfo&, const LayoutPoint&) final; |
84 | |
85 | bool requiresLayer() const final; |
86 | |
87 | bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) final; |
88 | |
89 | bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1, Element** stopElement = nullptr, RenderBox* startBox = nullptr, const IntPoint& wheelEventAbsolutePoint = IntPoint()) final; |
90 | bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier, Element** stopElement) final; |
91 | |
92 | void setUnavailablePluginIndicatorIsPressed(bool); |
93 | bool isInUnavailablePluginIndicator(const MouseEvent&) const; |
94 | bool isInUnavailablePluginIndicator(const FloatPoint&) const; |
95 | void getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, FloatRect& indicatorRect, FloatRect& replacementTextRect, FloatRect& arrowRect, FontCascade&, TextRun&, float& textWidth) const; |
96 | LayoutRect getReplacementTextGeometry(const LayoutPoint& accumulatedOffset) const; |
97 | |
98 | bool canHaveChildren() const final; |
99 | virtual bool canHaveWidget() const { return true; } |
100 | |
101 | bool m_isPluginUnavailable; |
102 | enum class UnavailablePluginIndicatorState { Uninitialized, Hidden, Visible }; |
103 | UnavailablePluginIndicatorState m_isUnavailablePluginIndicatorState { UnavailablePluginIndicatorState::Uninitialized }; |
104 | PluginUnavailabilityReason m_pluginUnavailabilityReason; |
105 | String m_unavailablePluginReplacementText; |
106 | bool m_unavailablePluginIndicatorIsPressed; |
107 | bool m_mouseDownWasInUnavailablePluginIndicator; |
108 | String m_unavailabilityDescription; |
109 | }; |
110 | |
111 | } // namespace WebCore |
112 | |
113 | SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderEmbeddedObject, isEmbeddedObject()) |
114 | |