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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  * Copyright (C) 2013 Apple Inc. All rights reserved.
      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  *
      9  * 1.  Redistributions of source code must retain the above copyright
     10  *     notice, this list of conditions and the following disclaimer.
     11  * 2.  Redistributions in binary form must reproduce the above copyright
     12  *     notice, this list of conditions and the following disclaimer in the
     13  *     documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     22  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef InternalSettings_h
     28 #define InternalSettings_h
     29 
     30 #include "core/InternalSettingsGenerated.h"
     31 #include "core/editing/EditingBehaviorTypes.h"
     32 #include "platform/geometry/IntSize.h"
     33 #include "platform/heap/Handle.h"
     34 #include "wtf/PassRefPtr.h"
     35 #include "wtf/RefCounted.h"
     36 #include "wtf/text/WTFString.h"
     37 
     38 namespace WebCore {
     39 
     40 class Document;
     41 class ExceptionState;
     42 class LocalFrame;
     43 class Page;
     44 class Settings;
     45 
     46 #if ENABLE(OILPAN)
     47 class InternalSettings FINAL : public InternalSettingsGenerated, public HeapSupplement<Page> {
     48     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InternalSettings);
     49 #else
     50 class InternalSettings FINAL : public InternalSettingsGenerated {
     51 #endif
     52 public:
     53     class Backup {
     54     public:
     55         explicit Backup(Settings*);
     56         void restoreTo(Settings*);
     57 
     58         bool m_originalCSSExclusionsEnabled;
     59         bool m_originalAuthorShadowDOMForAnyElementEnabled;
     60         bool m_originalCSP;
     61         bool m_originalOverlayScrollbarsEnabled;
     62         EditingBehaviorType m_originalEditingBehavior;
     63         bool m_originalTextAutosizingEnabled;
     64         IntSize m_originalTextAutosizingWindowSizeOverride;
     65         float m_originalAccessibilityFontScaleFactor;
     66         String m_originalMediaTypeOverride;
     67         bool m_originalMockScrollbarsEnabled;
     68         bool m_langAttributeAwareFormControlUIEnabled;
     69         bool m_imagesEnabled;
     70         String m_defaultVideoPosterURL;
     71         bool m_originalLayerSquashingEnabled;
     72         bool m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled;
     73     };
     74 
     75     static PassRefPtrWillBeRawPtr<InternalSettings> create(Page& page)
     76     {
     77         return adoptRefWillBeNoop(new InternalSettings(page));
     78     }
     79     static InternalSettings* from(Page&);
     80 
     81 #if !ENABLE(OILPAN)
     82     void hostDestroyed() { m_page = nullptr; }
     83 #endif
     84 
     85     virtual ~InternalSettings();
     86     void resetToConsistentState();
     87 
     88     void setStandardFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     89     void setSerifFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     90     void setSansSerifFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     91     void setFixedFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     92     void setCursiveFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     93     void setFantasyFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     94     void setPictographFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     95 
     96     void setDefaultVideoPosterURL(const String& url, ExceptionState&);
     97     void setEditingBehavior(const String&, ExceptionState&);
     98     void setImagesEnabled(bool, ExceptionState&);
     99     void setMediaTypeOverride(const String& mediaType, ExceptionState&);
    100     void setMockScrollbarsEnabled(bool, ExceptionState&);
    101     void setTextAutosizingEnabled(bool, ExceptionState&);
    102     void setAccessibilityFontScaleFactor(float fontScaleFactor, ExceptionState&);
    103     void setTextAutosizingWindowSizeOverride(int width, int height, ExceptionState&);
    104     void setViewportEnabled(bool, ExceptionState&);
    105 
    106     // FIXME: This is a temporary flag and should be removed once squashing is
    107     // ready (crbug.com/261605).
    108     void setLayerSquashingEnabled(bool, ExceptionState&);
    109 
    110     // FIXME: The following are RuntimeEnabledFeatures and likely
    111     // cannot be changed after process start. These setters should
    112     // be removed or moved onto internals.runtimeFlags:
    113     void setAuthorShadowDOMForAnyElementEnabled(bool);
    114     void setCSSExclusionsEnabled(bool);
    115     void setLangAttributeAwareFormControlUIEnabled(bool);
    116     void setOverlayScrollbarsEnabled(bool);
    117     void setExperimentalContentSecurityPolicyFeaturesEnabled(bool);
    118     void setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(bool);
    119 
    120     virtual void trace(Visitor*) OVERRIDE;
    121 
    122 private:
    123     explicit InternalSettings(Page&);
    124 
    125     Settings* settings() const;
    126     Page* page() const { return m_page; }
    127     static const char* supplementName();
    128 
    129     RawPtrWillBeWeakMember<Page> m_page;
    130     Backup m_backup;
    131 };
    132 
    133 } // namespace WebCore
    134 
    135 #endif
    136