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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 (at) 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 
     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&);
     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.
     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);
     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