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1 /*
2  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
3  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef Settings_h
28 #define Settings_h
29 
30 #include "SettingsMacros.h"
31 #include "core/editing/EditingBehaviorTypes.h"
32 #include "core/frame/SettingsDelegate.h"
33 #include "platform/Timer.h"
34 #include "platform/fonts/GenericFontFamilySettings.h"
35 #include "platform/geometry/IntSize.h"
36 #include "platform/weborigin/KURL.h"
37 #include "wtf/HashSet.h"
38 #include "wtf/RefCounted.h"
39 
40 namespace WebCore {
41 
42 class Page; // For inspector, remove after http://crbug.com/327476
43 
44 enum EditableLinkBehavior {
45     EditableLinkDefaultBehavior,
46     EditableLinkAlwaysLive,
47     EditableLinkOnlyLiveWithShiftKey,
48     EditableLinkLiveWhenNotFocused,
49     EditableLinkNeverLive
50 };
51 
52 class Settings {
53     WTF_MAKE_NONCOPYABLE(Settings); WTF_MAKE_FAST_ALLOCATED;
54 public:
55     static PassOwnPtr<Settings> create();
56 
genericFontFamilySettings()57     GenericFontFamilySettings& genericFontFamilySettings() { return m_genericFontFamilySettings; }
58 
59     void setTextAutosizingEnabled(bool);
60     bool textAutosizingEnabled() const;
61 
62     // Compensates for poor text legibility on mobile devices. This value is
63     // multiplied by the font scale factor when performing text autosizing of
64     // websites that do not set an explicit viewport description.
65     void setDeviceScaleAdjustment(float);
66     float deviceScaleAdjustment() const;
67 
68     // Only set by Layout Tests, and only used if textAutosizingEnabled() returns true.
69     void setTextAutosizingWindowSizeOverride(const IntSize&);
textAutosizingWindowSizeOverride()70     const IntSize& textAutosizingWindowSizeOverride() const { return m_textAutosizingWindowSizeOverride; }
71 
72     // Clients that execute script should call ScriptController::canExecuteScripts()
73     // instead of this function. ScriptController::canExecuteScripts() checks the
74     // HTML sandbox, plug-in sandboxing, and other important details.
isScriptEnabled()75     bool isScriptEnabled() const { return m_isScriptEnabled; }
76     void setScriptEnabled(bool);
77 
78     SETTINGS_GETTERS_AND_SETTERS
79 
80     // FIXME: This does not belong here.
81     static void setMockScrollbarsEnabled(bool flag);
82     static bool mockScrollbarsEnabled();
83 
84     // FIXME: naming_utilities.py isn't smart enough to handle OpenGL yet.
85     // It could handle "GL", but that seems a bit overly broad.
86     void setOpenGLMultisamplingEnabled(bool flag);
openGLMultisamplingEnabled()87     bool openGLMultisamplingEnabled() { return m_openGLMultisamplingEnabled; }
88 
89     void setDelegate(SettingsDelegate*);
90 
91 private:
92     Settings();
93 
94     void invalidate(SettingsDelegate::ChangeType);
95 
96     // FIXME: pageOfShame() is a hack for the inspector code:
97     // http://crbug.com/327476
98     Page* pageOfShame() const;
99 
100     SettingsDelegate* m_delegate;
101 
102     GenericFontFamilySettings m_genericFontFamilySettings;
103     float m_deviceScaleAdjustment;
104     IntSize m_textAutosizingWindowSizeOverride;
105     bool m_textAutosizingEnabled : 1;
106 
107     SETTINGS_MEMBER_VARIABLES
108 
109     bool m_isScriptEnabled : 1;
110     bool m_openGLMultisamplingEnabled : 1;
111 };
112 
113 } // namespace WebCore
114 
115 #endif // Settings_h
116