#include "config.h"
#include "Settings.h"
#include "AudioSession.h"
#include "BackForwardController.h"
#include "CachedResourceLoader.h"
#include "CookieStorage.h"
#include "DOMTimer.h"
#include "Database.h"
#include "Document.h"
#include "Font.h"
#include "FontGenericFamilies.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HTMLMediaElement.h"
#include "HistoryItem.h"
#include "InspectorInstrumentation.h"
#include "MainFrame.h"
#include "Page.h"
#include "PageCache.h"
#include "StorageMap.h"
#include "TextAutosizer.h"
#include <limits>
#include <wtf/NeverDestroyed.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
static void setImageLoadingSettings(Page* page)
{
for (Frame* frame = &page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
frame->document()->cachedResourceLoader()->setImagesEnabled(page->settings().areImagesEnabled());
frame->document()->cachedResourceLoader()->setAutoLoadImages(page->settings().loadsImagesAutomatically());
}
}
static void invalidateAfterGenericFamilyChange(Page* page)
{
invalidateFontGlyphsCache();
if (page)
page->setNeedsRecalcStyleInAllFrames();
}
double Settings::gDefaultMinDOMTimerInterval = 0.010; double Settings::gDefaultDOMTimerAlignmentInterval = 0;
double Settings::gHiddenPageDOMTimerAlignmentInterval = 1.0;
#if USE(SAFARI_THEME)
bool Settings::gShouldPaintNativeControls = true;
#endif
#if USE(AVFOUNDATION)
bool Settings::gAVFoundationEnabled = false;
#endif
#if PLATFORM(COCOA)
bool Settings::gQTKitEnabled = true;
#endif
bool Settings::gMockScrollbarsEnabled = false;
bool Settings::gUsesOverlayScrollbars = false;
#if PLATFORM(WIN)
bool Settings::gShouldUseHighResolutionTimers = true;
#endif
bool Settings::gShouldRespectPriorityInCSSAttributeSetters = false;
bool Settings::gLowPowerVideoAudioBufferSizeEnabled = false;
#if PLATFORM(IOS)
bool Settings::gNetworkDataUsageTrackingEnabled = false;
bool Settings::gAVKitEnabled = false;
bool Settings::gShouldOptOutOfNetworkStateObservation = false;
bool Settings::gManageAudioSession = false;
#endif
static EditingBehaviorType editingBehaviorTypeForPlatform()
{
return
#if OS(DARWIN)
EditingMacBehavior
#elif OS(WINDOWS)
EditingWindowsBehavior
#elif OS(UNIX)
EditingUnixBehavior
#else
EditingMacBehavior
#endif
;
}
#if PLATFORM(IOS)
static const bool defaultFixedPositionCreatesStackingContext = true;
static const bool defaultFixedBackgroundsPaintRelativeToDocument = true;
static const bool defaultAcceleratedCompositingForFixedPositionEnabled = true;
static const bool defaultMediaPlaybackAllowsInline = false;
static const bool defaultMediaPlaybackRequiresUserGesture = true;
static const bool defaultShouldRespectImageOrientation = true;
static const bool defaultScrollingTreeIncludesFrames = true;
#else
static const bool defaultFixedPositionCreatesStackingContext = false;
static const bool defaultFixedBackgroundsPaintRelativeToDocument = false;
static const bool defaultAcceleratedCompositingForFixedPositionEnabled = false;
static const bool defaultMediaPlaybackAllowsInline = true;
static const bool defaultMediaPlaybackRequiresUserGesture = false;
static const bool defaultShouldRespectImageOrientation = false;
static const bool defaultScrollingTreeIncludesFrames = false;
#endif
static const double defaultIncrementalRenderingSuppressionTimeoutInSeconds = 5;
#if USE(UNIFIED_TEXT_CHECKING)
static const bool defaultUnifiedTextCheckerEnabled = true;
#else
static const bool defaultUnifiedTextCheckerEnabled = false;
#endif
static const bool defaultSmartInsertDeleteEnabled = true;
static const bool defaultSelectTrailingWhitespaceEnabled = false;
static const auto layoutScheduleThreshold = std::chrono::milliseconds(250);
Settings::Settings(Page* page)
: m_page(0)
, m_mediaTypeOverride("screen")
, m_fontGenericFamilies(std::make_unique<FontGenericFamilies>())
, m_storageBlockingPolicy(SecurityOrigin::AllowAllStorage)
, m_layoutInterval(layoutScheduleThreshold)
#if ENABLE(TEXT_AUTOSIZING)
, m_textAutosizingFontScaleFactor(1)
#if HACK_FORCE_TEXT_AUTOSIZING_ON_DESKTOP
, m_textAutosizingWindowSizeOverride(320, 480)
, m_textAutosizingEnabled(true)
#else
, m_textAutosizingEnabled(false)
#endif
#endif
SETTINGS_INITIALIZER_LIST
, m_screenFontSubstitutionEnabled(shouldEnableScreenFontSubstitutionByDefault())
, m_isJavaEnabled(false)
, m_isJavaEnabledForLocalFiles(true)
, m_loadsImagesAutomatically(false)
, m_areImagesEnabled(true)
, m_arePluginsEnabled(false)
, m_isScriptEnabled(false)
, m_needsAdobeFrameReloadingQuirk(false)
, m_usesPageCache(false)
, m_fontRenderingMode(0)
, m_showTiledScrollingIndicator(false)
, m_backgroundShouldExtendBeyondPage(false)
, m_dnsPrefetchingEnabled(false)
#if ENABLE(TOUCH_EVENTS)
, m_touchEventEmulationEnabled(false)
#endif
, m_scrollingPerformanceLoggingEnabled(false)
, m_timeWithoutMouseMovementBeforeHidingControls(3)
, m_setImageLoadingSettingsTimer(this, &Settings::imageLoadingSettingsTimerFired)
#if ENABLE(HIDDEN_PAGE_DOM_TIMER_THROTTLING)
, m_hiddenPageDOMTimerThrottlingEnabled(false)
#endif
, m_hiddenPageCSSAnimationSuspensionEnabled(false)
, m_fontFallbackPrefersPictographs(false)
{
AtomicString::init();
initializeDefaultFontFamilies();
m_page = page; }
Settings::~Settings()
{
}
PassRefPtr<Settings> Settings::create(Page* page)
{
return adoptRef(new Settings(page));
}
SETTINGS_SETTER_BODIES
void Settings::setHiddenPageDOMTimerAlignmentInterval(double hiddenPageDOMTimerAlignmentinterval)
{
gHiddenPageDOMTimerAlignmentInterval = hiddenPageDOMTimerAlignmentinterval;
}
double Settings::hiddenPageDOMTimerAlignmentInterval()
{
return gHiddenPageDOMTimerAlignmentInterval;
}
#if !PLATFORM(COCOA)
bool Settings::shouldEnableScreenFontSubstitutionByDefault()
{
return true;
}
#endif
#if !PLATFORM(COCOA)
void Settings::initializeDefaultFontFamilies()
{
}
#endif
const AtomicString& Settings::standardFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->standardFontFamily(script);
}
void Settings::setStandardFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setStandardFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::fixedFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->fixedFontFamily(script);
}
void Settings::setFixedFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setFixedFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::serifFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->serifFontFamily(script);
}
void Settings::setSerifFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setSerifFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::sansSerifFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->sansSerifFontFamily(script);
}
void Settings::setSansSerifFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setSansSerifFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::cursiveFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->cursiveFontFamily(script);
}
void Settings::setCursiveFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setCursiveFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::fantasyFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->fantasyFontFamily(script);
}
void Settings::setFantasyFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setFantasyFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
const AtomicString& Settings::pictographFontFamily(UScriptCode script) const
{
return m_fontGenericFamilies->pictographFontFamily(script);
}
void Settings::setPictographFontFamily(const AtomicString& family, UScriptCode script)
{
bool changes = m_fontGenericFamilies->setPictographFontFamily(family, script);
if (changes)
invalidateAfterGenericFamilyChange(m_page);
}
#if ENABLE(TEXT_AUTOSIZING)
void Settings::setTextAutosizingEnabled(bool textAutosizingEnabled)
{
if (m_textAutosizingEnabled == textAutosizingEnabled)
return;
m_textAutosizingEnabled = textAutosizingEnabled;
m_page->setNeedsRecalcStyleInAllFrames();
}
void Settings::setTextAutosizingWindowSizeOverride(const IntSize& textAutosizingWindowSizeOverride)
{
if (m_textAutosizingWindowSizeOverride == textAutosizingWindowSizeOverride)
return;
m_textAutosizingWindowSizeOverride = textAutosizingWindowSizeOverride;
m_page->setNeedsRecalcStyleInAllFrames();
}
void Settings::setTextAutosizingFontScaleFactor(float fontScaleFactor)
{
m_textAutosizingFontScaleFactor = fontScaleFactor;
for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext())
frame->document()->textAutosizer()->recalculateMultipliers();
m_page->setNeedsRecalcStyleInAllFrames();
}
#endif
void Settings::setMediaTypeOverride(const String& mediaTypeOverride)
{
if (m_mediaTypeOverride == mediaTypeOverride)
return;
m_mediaTypeOverride = mediaTypeOverride;
FrameView* view = m_page->mainFrame().view();
ASSERT(view);
view->setMediaType(mediaTypeOverride);
m_page->setNeedsRecalcStyleInAllFrames();
}
void Settings::setLoadsImagesAutomatically(bool loadsImagesAutomatically)
{
m_loadsImagesAutomatically = loadsImagesAutomatically;
m_setImageLoadingSettingsTimer.startOneShot(0);
}
void Settings::imageLoadingSettingsTimerFired(Timer<Settings>*)
{
setImageLoadingSettings(m_page);
}
void Settings::setScriptEnabled(bool isScriptEnabled)
{
if (m_isScriptEnabled == isScriptEnabled)
return;
m_isScriptEnabled = isScriptEnabled;
#if PLATFORM(IOS)
m_page->setNeedsRecalcStyleInAllFrames();
#endif
InspectorInstrumentation::scriptsEnabled(m_page, m_isScriptEnabled);
}
void Settings::setJavaEnabled(bool isJavaEnabled)
{
m_isJavaEnabled = isJavaEnabled;
}
void Settings::setJavaEnabledForLocalFiles(bool isJavaEnabledForLocalFiles)
{
m_isJavaEnabledForLocalFiles = isJavaEnabledForLocalFiles;
}
void Settings::setImagesEnabled(bool areImagesEnabled)
{
m_areImagesEnabled = areImagesEnabled;
m_setImageLoadingSettingsTimer.startOneShot(0);
}
void Settings::setPluginsEnabled(bool arePluginsEnabled)
{
if (m_arePluginsEnabled == arePluginsEnabled)
return;
m_arePluginsEnabled = arePluginsEnabled;
Page::refreshPlugins(false);
}
void Settings::setUserStyleSheetLocation(const URL& userStyleSheetLocation)
{
if (m_userStyleSheetLocation == userStyleSheetLocation)
return;
m_userStyleSheetLocation = userStyleSheetLocation;
m_page->userStyleSheetLocationChanged();
}
void Settings::setNeedsAdobeFrameReloadingQuirk(bool shouldNotReloadIFramesForUnchangedSRC)
{
m_needsAdobeFrameReloadingQuirk = shouldNotReloadIFramesForUnchangedSRC;
}
void Settings::setDefaultMinDOMTimerInterval(double interval)
{
gDefaultMinDOMTimerInterval = interval;
}
double Settings::defaultMinDOMTimerInterval()
{
return gDefaultMinDOMTimerInterval;
}
void Settings::setMinDOMTimerInterval(double interval)
{
m_page->setMinimumTimerInterval(interval);
}
double Settings::minDOMTimerInterval()
{
return m_page->minimumTimerInterval();
}
void Settings::setDefaultDOMTimerAlignmentInterval(double interval)
{
gDefaultDOMTimerAlignmentInterval = interval;
}
double Settings::defaultDOMTimerAlignmentInterval()
{
return gDefaultDOMTimerAlignmentInterval;
}
double Settings::domTimerAlignmentInterval() const
{
return m_page->timerAlignmentInterval();
}
void Settings::setLayoutInterval(std::chrono::milliseconds layoutInterval)
{
m_layoutInterval = std::max(layoutInterval, layoutScheduleThreshold);
}
void Settings::setUsesPageCache(bool usesPageCache)
{
if (m_usesPageCache == usesPageCache)
return;
m_usesPageCache = usesPageCache;
if (!m_usesPageCache) {
int first = -m_page->backForward().backCount();
int last = m_page->backForward().forwardCount();
for (int i = first; i <= last; i++)
pageCache()->remove(m_page->backForward().itemAtIndex(i));
}
}
void Settings::setScreenFontSubstitutionEnabled(bool enabled)
{
if (m_screenFontSubstitutionEnabled == enabled)
return;
m_screenFontSubstitutionEnabled = enabled;
m_page->setNeedsRecalcStyleInAllFrames();
}
void Settings::setFontRenderingMode(FontRenderingMode mode)
{
if (fontRenderingMode() == mode)
return;
m_fontRenderingMode = mode;
m_page->setNeedsRecalcStyleInAllFrames();
}
FontRenderingMode Settings::fontRenderingMode() const
{
return static_cast<FontRenderingMode>(m_fontRenderingMode);
}
#if USE(SAFARI_THEME)
void Settings::setShouldPaintNativeControls(bool shouldPaintNativeControls)
{
gShouldPaintNativeControls = shouldPaintNativeControls;
}
#endif
void Settings::setDNSPrefetchingEnabled(bool dnsPrefetchingEnabled)
{
if (m_dnsPrefetchingEnabled == dnsPrefetchingEnabled)
return;
m_dnsPrefetchingEnabled = dnsPrefetchingEnabled;
m_page->dnsPrefetchingStateChanged();
}
void Settings::setShowTiledScrollingIndicator(bool enabled)
{
if (m_showTiledScrollingIndicator == enabled)
return;
m_showTiledScrollingIndicator = enabled;
}
#if PLATFORM(WIN)
void Settings::setShouldUseHighResolutionTimers(bool shouldUseHighResolutionTimers)
{
gShouldUseHighResolutionTimers = shouldUseHighResolutionTimers;
}
#endif
void Settings::setStorageBlockingPolicy(SecurityOrigin::StorageBlockingPolicy enabled)
{
if (m_storageBlockingPolicy == enabled)
return;
m_storageBlockingPolicy = enabled;
m_page->storageBlockingStateChanged();
}
void Settings::setBackgroundShouldExtendBeyondPage(bool shouldExtend)
{
if (m_backgroundShouldExtendBeyondPage == shouldExtend)
return;
m_backgroundShouldExtendBeyondPage = shouldExtend;
m_page->mainFrame().view()->updateExtendBackgroundIfNecessary();
}
#if USE(AVFOUNDATION)
void Settings::setAVFoundationEnabled(bool enabled)
{
if (gAVFoundationEnabled == enabled)
return;
gAVFoundationEnabled = enabled;
HTMLMediaElement::resetMediaEngines();
}
#endif
#if PLATFORM(COCOA)
void Settings::setQTKitEnabled(bool enabled)
{
if (gQTKitEnabled == enabled)
return;
gQTKitEnabled = enabled;
HTMLMediaElement::resetMediaEngines();
}
#endif
void Settings::setScrollingPerformanceLoggingEnabled(bool enabled)
{
m_scrollingPerformanceLoggingEnabled = enabled;
if (m_page->mainFrame().view())
m_page->mainFrame().view()->setScrollingPerformanceLoggingEnabled(enabled);
}
void Settings::setMockScrollbarsEnabled(bool flag)
{
gMockScrollbarsEnabled = flag;
}
bool Settings::mockScrollbarsEnabled()
{
return gMockScrollbarsEnabled;
}
void Settings::setUsesOverlayScrollbars(bool flag)
{
gUsesOverlayScrollbars = flag;
}
bool Settings::usesOverlayScrollbars()
{
return gUsesOverlayScrollbars;
}
void Settings::setShouldRespectPriorityInCSSAttributeSetters(bool flag)
{
gShouldRespectPriorityInCSSAttributeSetters = flag;
}
bool Settings::shouldRespectPriorityInCSSAttributeSetters()
{
return gShouldRespectPriorityInCSSAttributeSetters;
}
#if ENABLE(HIDDEN_PAGE_DOM_TIMER_THROTTLING)
void Settings::setHiddenPageDOMTimerThrottlingEnabled(bool flag)
{
if (m_hiddenPageDOMTimerThrottlingEnabled == flag)
return;
m_hiddenPageDOMTimerThrottlingEnabled = flag;
m_page->hiddenPageDOMTimerThrottlingStateChanged();
}
#endif
void Settings::setHiddenPageCSSAnimationSuspensionEnabled(bool flag)
{
if (m_hiddenPageCSSAnimationSuspensionEnabled == flag)
return;
m_hiddenPageCSSAnimationSuspensionEnabled = flag;
m_page->hiddenPageCSSAnimationSuspensionStateChanged();
}
void Settings::setFontFallbackPrefersPictographs(bool preferPictographs)
{
if (m_fontFallbackPrefersPictographs == preferPictographs)
return;
m_fontFallbackPrefersPictographs = preferPictographs;
m_page->setNeedsRecalcStyleInAllFrames();
}
void Settings::setLowPowerVideoAudioBufferSizeEnabled(bool flag)
{
gLowPowerVideoAudioBufferSizeEnabled = flag;
}
#if PLATFORM(IOS)
void Settings::setAudioSessionCategoryOverride(unsigned sessionCategory)
{
AudioSession::sharedSession().setCategoryOverride(static_cast<AudioSession::CategoryType>(sessionCategory));
}
unsigned Settings::audioSessionCategoryOverride()
{
return AudioSession::sharedSession().categoryOverride();
}
void Settings::setNetworkDataUsageTrackingEnabled(bool trackingEnabled)
{
gNetworkDataUsageTrackingEnabled = trackingEnabled;
}
bool Settings::networkDataUsageTrackingEnabled()
{
return gNetworkDataUsageTrackingEnabled;
}
static String& sharedNetworkInterfaceNameGlobal()
{
static NeverDestroyed<String> networkInterfaceName;
return networkInterfaceName;
}
void Settings::setNetworkInterfaceName(const String& networkInterfaceName)
{
sharedNetworkInterfaceNameGlobal() = networkInterfaceName;
}
const String& Settings::networkInterfaceName()
{
return sharedNetworkInterfaceNameGlobal();
}
#endif
}