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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 blink {
     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     DEFINE_WRAPPERTYPEINFO();
     53 public:
     54     class Backup {
     55     public:
     56         explicit Backup(Settings*);
     57         void restoreTo(Settings*);
     58 
     59         bool m_originalAuthorShadowDOMForAnyElementEnabled;
     60         bool m_originalCSP;
     61         bool m_originalLaxMixedContentCheckingEnabled;
     62         bool m_originalOverlayScrollbarsEnabled;
     63         EditingBehaviorType m_originalEditingBehavior;
     64         bool m_originalTextAutosizingEnabled;
     65         IntSize m_originalTextAutosizingWindowSizeOverride;
     66         float m_originalAccessibilityFontScaleFactor;
     67         String m_originalMediaTypeOverride;
     68         bool m_originalMockScrollbarsEnabled;
     69         bool m_originalMockGestureTapHighlightsEnabled;
     70         bool m_langAttributeAwareFormControlUIEnabled;
     71         bool m_imagesEnabled;
     72         String m_defaultVideoPosterURL;
     73         bool m_originalLayerSquashingEnabled;
     74         bool m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled;
     75     };
     76 
     77     static PassRefPtrWillBeRawPtr<InternalSettings> create(Page& page)
     78     {
     79         return adoptRefWillBeNoop(new InternalSettings(page));
     80     }
     81     static InternalSettings* from(Page&);
     82 
     83 #if !ENABLE(OILPAN)
     84     void hostDestroyed() { m_page = nullptr; }
     85 #endif
     86 
     87     virtual ~InternalSettings();
     88     void resetToConsistentState();
     89 
     90     void setStandardFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     91     void setSerifFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     92     void setSansSerifFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     93     void setFixedFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     94     void setCursiveFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     95     void setFantasyFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     96     void setPictographFontFamily(const AtomicString& family, const String& script, ExceptionState&);
     97 
     98     void setDefaultVideoPosterURL(const String& url, ExceptionState&);
     99     void setEditingBehavior(const String&, ExceptionState&);
    100     void setImagesEnabled(bool, ExceptionState&);
    101     void setMediaTypeOverride(const String& mediaType, ExceptionState&);
    102     void setMockScrollbarsEnabled(bool, ExceptionState&);
    103     void setMockGestureTapHighlightsEnabled(bool, ExceptionState&);
    104     void setTextAutosizingEnabled(bool, ExceptionState&);
    105     void setAccessibilityFontScaleFactor(float fontScaleFactor, ExceptionState&);
    106     void setTextAutosizingWindowSizeOverride(int width, int height, ExceptionState&);
    107     void setViewportEnabled(bool, ExceptionState&);
    108 
    109     // FIXME: This is a temporary flag and should be removed once squashing is
    110     // ready (crbug.com/261605).
    111     void setLayerSquashingEnabled(bool, ExceptionState&);
    112 
    113     // FIXME: The following are RuntimeEnabledFeatures and likely
    114     // cannot be changed after process start. These setters should
    115     // be removed or moved onto internals.runtimeFlags:
    116     void setAuthorShadowDOMForAnyElementEnabled(bool);
    117     void setLangAttributeAwareFormControlUIEnabled(bool);
    118     void setOverlayScrollbarsEnabled(bool);
    119     void setExperimentalContentSecurityPolicyFeaturesEnabled(bool);
    120     void setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(bool);
    121     void setLaxMixedContentCheckingEnabled(bool);
    122 
    123     virtual void trace(Visitor*) OVERRIDE;
    124 
    125     void setAvailablePointerTypes(const String&, ExceptionState&);
    126     void setPrimaryPointerType(const String&, ExceptionState&);
    127     void setAvailableHoverTypes(const String&, ExceptionState&);
    128     void setPrimaryHoverType(const String&, ExceptionState&);
    129 
    130 private:
    131     explicit InternalSettings(Page&);
    132 
    133     Settings* settings() const;
    134     Page* page() const { return m_page; }
    135     static const char* supplementName();
    136 
    137     RawPtrWillBeWeakMember<Page> m_page;
    138     Backup m_backup;
    139 };
    140 
    141 } // namespace blink
    142 
    143 #endif // InternalSettings_h
    144