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/*
* Copyright (C) 2003-2016 Apple Inc. All rights reserved.
* (C) 2006 Graham Dennis (graham.dennis@gmail.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ClipboardAccessPolicy.h"
#include "ContentType.h"
#include "EditingBehaviorTypes.h"
#include "IntSize.h"
#include "SecurityOrigin.h"
#include "StorageMap.h"
#include "TextFlags.h"
#include "Timer.h"
#include "URL.h"
#include "WritingMode.h"
#include <JavaScriptCore/RuntimeFlags.h>
#include <unicode/uscript.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/AtomicStringHash.h>
#if ENABLE(DATA_DETECTION)
#include "DataDetection.h"
#endif
namespace WebCore {
class FontGenericFamilies;
class Page;
enum EditableLinkBehavior {
EditableLinkDefaultBehavior,
EditableLinkAlwaysLive,
EditableLinkOnlyLiveWithShiftKey,
EditableLinkLiveWhenNotFocused,
EditableLinkNeverLive
};
enum TextDirectionSubmenuInclusionBehavior {
TextDirectionSubmenuNeverIncluded,
TextDirectionSubmenuAutomaticallyIncluded,
TextDirectionSubmenuAlwaysIncluded
};
enum DebugOverlayRegionFlags {
NonFastScrollableRegion = 1 << 0,
WheelEventHandlerRegion = 1 << 1,
};
enum class UserInterfaceDirectionPolicy {
Content,
System
};
enum PDFImageCachingPolicy {
PDFImageCachingEnabled,
PDFImageCachingBelowMemoryLimit,
PDFImageCachingDisabled,
PDFImageCachingClipBoundsOnly,
#if PLATFORM(IOS)
PDFImageCachingDefault = PDFImageCachingBelowMemoryLimit
#else
PDFImageCachingDefault = PDFImageCachingEnabled
#endif
};
enum class FrameFlattening {
Disabled,
EnabledForNonFullScreenIFrames,
FullyEnabled
};
typedef unsigned DebugOverlayRegions;
class SettingsBase {
WTF_MAKE_NONCOPYABLE(SettingsBase); WTF_MAKE_FAST_ALLOCATED;
public:
~SettingsBase();
void pageDestroyed() { m_page = nullptr; }
enum class FontLoadTimingOverride { None, Block, Swap, Failure };
// FIXME: Move these default values to SettingsDefaultValues.h
enum class ForcedAccessibilityValue { System, On, Off };
static const SettingsBase::ForcedAccessibilityValue defaultForcedColorsAreInvertedAccessibilityValue = ForcedAccessibilityValue::System;
static const SettingsBase::ForcedAccessibilityValue defaultForcedDisplayIsMonochromeAccessibilityValue = ForcedAccessibilityValue::System;
static const SettingsBase::ForcedAccessibilityValue defaultForcedPrefersReducedMotionAccessibilityValue = ForcedAccessibilityValue::System;
WEBCORE_EXPORT static bool defaultTextAutosizingEnabled();
WEBCORE_EXPORT static float defaultMinimumZoomFontSize();
WEBCORE_EXPORT static bool defaultDownloadableBinaryFontsEnabled();
static const unsigned defaultMaximumHTMLParserDOMTreeDepth = 512;
static const unsigned defaultMaximumRenderTreeDepth = 512;
#if ENABLE(TEXT_AUTOSIZING)
constexpr static const float boostedOneLineTextMultiplierCoefficient = 2.23125f;
constexpr static const float boostedMultiLineTextMultiplierCoefficient = 2.48125f;
constexpr static const float boostedMaxTextAutosizingScaleIncrease = 5.0f;
constexpr static const float defaultOneLineTextMultiplierCoefficient = 1.7f;
constexpr static const float defaultMultiLineTextMultiplierCoefficient = 1.95f;
constexpr static const float defaultMaxTextAutosizingScaleIncrease = 1.7f;
#endif
WEBCORE_EXPORT void setStandardFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& standardFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setFixedFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& fixedFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setSerifFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& serifFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setSansSerifFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& sansSerifFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setCursiveFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& cursiveFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setFantasyFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& fantasyFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setPictographFontFamily(const AtomicString&, UScriptCode = USCRIPT_COMMON);
WEBCORE_EXPORT const AtomicString& pictographFontFamily(UScriptCode = USCRIPT_COMMON) const;
WEBCORE_EXPORT void setMinimumDOMTimerInterval(Seconds); // Initialized to DOMTimer::defaultMinimumInterval().
Seconds minimumDOMTimerInterval() const { return m_minimumDOMTimerInterval; }
WEBCORE_EXPORT void setLayoutInterval(Seconds);
Seconds layoutInterval() const { return m_layoutInterval; }
#if ENABLE(TEXT_AUTOSIZING)
float oneLineTextMultiplierCoefficient() const { return m_oneLineTextMultiplierCoefficient; }
float multiLineTextMultiplierCoefficient() const { return m_multiLineTextMultiplierCoefficient; }
float maxTextAutosizingScaleIncrease() const { return m_maxTextAutosizingScaleIncrease; }
#endif
WEBCORE_EXPORT static const String& defaultMediaContentTypesRequiringHardwareSupport();
WEBCORE_EXPORT void setMediaContentTypesRequiringHardwareSupport(const Vector<ContentType>&);
WEBCORE_EXPORT void setMediaContentTypesRequiringHardwareSupport(const String&);
const Vector<ContentType>& mediaContentTypesRequiringHardwareSupport() const { return m_mediaContentTypesRequiringHardwareSupport; }
protected:
explicit SettingsBase(Page*);
void initializeDefaultFontFamilies();
void imageLoadingSettingsTimerFired();
// Helpers used by generated Settings.cpp.
void setNeedsRecalcStyleInAllFrames();
void setNeedsRelayoutAllFrames();
void mediaTypeOverrideChanged();
void imagesEnabledChanged();
void scriptEnabledChanged();
void pluginsEnabledChanged();
void userStyleSheetLocationChanged();
void usesPageCacheChanged();
void dnsPrefetchingEnabledChanged();
void storageBlockingPolicyChanged();
void backgroundShouldExtendBeyondPageChanged();
void scrollingPerformanceLoggingEnabledChanged();
void hiddenPageDOMTimerThrottlingStateChanged();
void hiddenPageCSSAnimationSuspensionEnabledChanged();
void resourceUsageOverlayVisibleChanged();
#if ENABLE(TEXT_AUTOSIZING)
void shouldEnableTextAutosizingBoostChanged();
#endif
Page* m_page;
const std::unique_ptr<FontGenericFamilies> m_fontGenericFamilies;
Seconds m_layoutInterval;
Seconds m_minimumDOMTimerInterval;
Timer m_setImageLoadingSettingsTimer;
Vector<ContentType> m_mediaContentTypesRequiringHardwareSupport;
#if ENABLE(TEXT_AUTOSIZING)
float m_oneLineTextMultiplierCoefficient { defaultOneLineTextMultiplierCoefficient };
float m_multiLineTextMultiplierCoefficient { defaultMultiLineTextMultiplierCoefficient };
float m_maxTextAutosizingScaleIncrease { defaultMaxTextAutosizingScaleIncrease };
#endif
};
} // namespace WebCore