Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 884 insertions, 0 deletions

diff --git a/Source/WebCore/page/Settings.cpp b/Source/WebCore/page/Settings.cpp
new file mode 100644
index 0000000..8b174be
--- /dev/null
+++ b/Source/WebCore/page/Settings.cpp
@@ -0,0 +1,884 @@
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * 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 COMPUTER, 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 COMPUTER, 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. 
+ */
+
+#include "config.h"
+#include "Settings.h"
+
+#include "BackForwardController.h"
+#include "CachedResourceLoader.h"
+#include "CookieStorage.h"
+#include "DOMTimer.h"
+#include "Database.h"
+#include "Frame.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "HistoryItem.h"
+#include "Page.h"
+#include "PageCache.h"
+#include "StorageMap.h"
+#include <limits>
+
+using namespace std;
+
+namespace WebCore {
+
+static void setNeedsRecalcStyleInAllFrames(Page* page)
+{
+    for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext())
+        frame->document()->styleSelectorChanged(DeferRecalcStyle);
+}
+
+static void setLoadsImagesAutomaticallyInAllFrames(Page* page)
+{
+    for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext())
+        frame->document()->cachedResourceLoader()->setAutoLoadImages(page->settings()->loadsImagesAutomatically());
+}
+
+#if USE(SAFARI_THEME)
+bool Settings::gShouldPaintNativeControls = true;
+#endif
+
+#if PLATFORM(WIN) || (OS(WINDOWS) && PLATFORM(WX))
+bool Settings::gShouldUseHighResolutionTimers = true;
+#endif
+
+// NOTEs
+//  1) EditingMacBehavior comprises Tiger, Leopard, SnowLeopard and iOS builds, as well QtWebKit and Chromium when built on Mac;
+//  2) EditingWindowsBehavior comprises Win32 and WinCE builds, as well as QtWebKit and Chromium when built on Windows;
+//  3) EditingUnixBehavior comprises all unix-based systems, but Darwin/MacOS (and then abusing the terminology);
+// 99) MacEditingBehavior is used a fallback.
+static EditingBehaviorType editingBehaviorTypeForPlatform()
+{
+    return
+#if OS(DARWIN)
+    EditingMacBehavior
+#elif OS(WINDOWS)
+    EditingWindowsBehavior
+#elif OS(UNIX)
+    EditingUnixBehavior
+#else
+    // Fallback
+    EditingMacBehavior
+#endif
+    ;
+}
+
+Settings::Settings(Page* page)
+    : m_page(page)
+#ifdef ANDROID_LAYOUT
+    , m_layoutAlgorithm(kLayoutFitColumnToScreen)
+#endif
+    , m_editableLinkBehavior(EditableLinkDefaultBehavior)
+    , m_textDirectionSubmenuInclusionBehavior(TextDirectionSubmenuAutomaticallyIncluded)
+    , m_minimumFontSize(0)
+    , m_minimumLogicalFontSize(0)
+    , m_defaultFontSize(0)
+    , m_defaultFixedFontSize(0)
+#ifdef ANDROID_LAYOUT
+    , m_useWideViewport(false)
+#endif
+#ifdef ANDROID_MULTIPLE_WINDOWS
+    , m_supportMultipleWindows(true)
+#endif
+#ifdef ANDROID_BLOCK_NETWORK_IMAGE
+    , m_blockNetworkImage(false)
+#endif
+    , m_maximumDecodedImageSize(numeric_limits<size_t>::max())
+#if ENABLE(DOM_STORAGE)
+    , m_sessionStorageQuota(StorageMap::noQuota)
+#endif
+    , m_pluginAllowedRunTime(numeric_limits<unsigned>::max())
+    , m_editingBehaviorType(editingBehaviorTypeForPlatform())
+    , m_isSpatialNavigationEnabled(false)
+    , m_isJavaEnabled(false)
+    , m_loadsImagesAutomatically(false)
+    , m_privateBrowsingEnabled(false)
+    , m_caretBrowsingEnabled(false)
+    , m_areImagesEnabled(true)
+    , m_isMediaEnabled(true)
+    , m_arePluginsEnabled(false)
+    , m_localStorageEnabled(false)
+    , m_isJavaScriptEnabled(false)
+    , m_isWebSecurityEnabled(true)
+    , m_allowUniversalAccessFromFileURLs(true)
+    , m_allowFileAccessFromFileURLs(true)
+    , m_javaScriptCanOpenWindowsAutomatically(false)
+    , m_javaScriptCanAccessClipboard(false)
+    , m_shouldPrintBackgrounds(false)
+    , m_textAreasAreResizable(false)
+#if ENABLE(DASHBOARD_SUPPORT)
+    , m_usesDashboardBackwardCompatibilityMode(false)
+#endif
+    , m_needsAdobeFrameReloadingQuirk(false)
+    , m_needsKeyboardEventDisambiguationQuirks(false)
+    , m_treatsAnyTextCSSLinkAsStylesheet(false)
+    , m_needsLeopardMailQuirks(false)
+    , m_needsTigerMailQuirks(false)
+    , m_isDOMPasteAllowed(false)
+    , m_shrinksStandaloneImagesToFit(true)
+    , m_usesPageCache(false)
+    , m_showsURLsInToolTips(false)
+    , m_forceFTPDirectoryListings(false)
+    , m_developerExtrasEnabled(false)
+    , m_authorAndUserStylesEnabled(true)
+    , m_needsSiteSpecificQuirks(false)
+    , m_fontRenderingMode(0)
+    , m_frameFlatteningEnabled(false)
+    , m_webArchiveDebugModeEnabled(false)
+    , m_localFileContentSniffingEnabled(false)
+    , m_inApplicationChromeMode(false)
+    , m_offlineWebApplicationCacheEnabled(false)
+    , m_shouldPaintCustomScrollbars(false)
+    , m_enforceCSSMIMETypeInNoQuirksMode(true)
+    , m_usesEncodingDetector(false)
+    , m_allowScriptsToCloseWindows(false)
+    // FIXME: This should really be disabled by default as it makes platforms that don't support the feature download files
+    // they can't use by. Leaving enabled for now to not change existing behavior.
+    , m_downloadableBinaryFontsEnabled(true)
+    , m_xssAuditorEnabled(false)
+    , m_acceleratedCompositingEnabled(true)
+    , m_acceleratedCompositingFor3DTransformsEnabled(true)
+    , m_acceleratedCompositingForVideoEnabled(true)
+    , m_acceleratedCompositingForPluginsEnabled(true)
+    , m_acceleratedCompositingForCanvasEnabled(true)
+    , m_acceleratedCompositingForAnimationEnabled(true)
+    , m_showDebugBorders(false)
+    , m_showRepaintCounter(false)
+    , m_experimentalNotificationsEnabled(false)
+    , m_webGLEnabled(false)
+    , m_acceleratedCanvas2dEnabled(false)
+    , m_loadDeferringEnabled(true)
+    , m_tiledBackingStoreEnabled(false)
+    , m_paginateDuringLayoutEnabled(false)
+    , m_dnsPrefetchingEnabled(false)
+#if ENABLE(FULLSCREEN_API)
+    , m_fullScreenAPIEnabled(false)
+#endif
+    , m_asynchronousSpellCheckingEnabled(false)
+    , m_memoryInfoEnabled(false)
+    , m_interactiveFormValidation(false)
+    , m_usePreHTML5ParserQuirks(false)
+    , m_hyperlinkAuditingEnabled(false)
+    , m_crossOriginCheckInGetMatchedCSSRulesDisabled(false)
+#if ENABLE(WEB_AUTOFILL)
+    , m_autoFillEnabled(false)
+#endif
+#ifdef ANDROID_PLUGINS
+    , m_pluginsOnDemand(false)
+#endif
+{
+    // A Frame may not have been created yet, so we initialize the AtomicString 
+    // hash before trying to use it.
+    AtomicString::init();
+#ifdef ANDROID_META_SUPPORT
+    m_default_format_detection = true;
+    resetMetadataSettings();
+#endif
+}
+
+void Settings::setStandardFontFamily(const AtomicString& standardFontFamily)
+{
+    if (standardFontFamily == m_standardFontFamily)
+        return;
+
+    m_standardFontFamily = standardFontFamily;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setFixedFontFamily(const AtomicString& fixedFontFamily)
+{
+    if (m_fixedFontFamily == fixedFontFamily)
+        return;
+        
+    m_fixedFontFamily = fixedFontFamily;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setSerifFontFamily(const AtomicString& serifFontFamily)
+{
+    if (m_serifFontFamily == serifFontFamily)
+        return;
+        
+    m_serifFontFamily = serifFontFamily;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setSansSerifFontFamily(const AtomicString& sansSerifFontFamily)
+{
+    if (m_sansSerifFontFamily == sansSerifFontFamily)
+        return;
+        
+    m_sansSerifFontFamily = sansSerifFontFamily; 
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setCursiveFontFamily(const AtomicString& cursiveFontFamily)
+{
+    if (m_cursiveFontFamily == cursiveFontFamily)
+        return;
+        
+    m_cursiveFontFamily = cursiveFontFamily;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setFantasyFontFamily(const AtomicString& fantasyFontFamily)
+{
+    if (m_fantasyFontFamily == fantasyFontFamily)
+        return;
+        
+    m_fantasyFontFamily = fantasyFontFamily;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setMinimumFontSize(int minimumFontSize)
+{
+    if (m_minimumFontSize == minimumFontSize)
+        return;
+
+    m_minimumFontSize = minimumFontSize;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setMinimumLogicalFontSize(int minimumLogicalFontSize)
+{
+    if (m_minimumLogicalFontSize == minimumLogicalFontSize)
+        return;
+
+    m_minimumLogicalFontSize = minimumLogicalFontSize;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setDefaultFontSize(int defaultFontSize)
+{
+    if (m_defaultFontSize == defaultFontSize)
+        return;
+
+    m_defaultFontSize = defaultFontSize;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setDefaultFixedFontSize(int defaultFontSize)
+{
+    if (m_defaultFixedFontSize == defaultFontSize)
+        return;
+
+    m_defaultFixedFontSize = defaultFontSize;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+#ifdef ANDROID_BLOCK_NETWORK_IMAGE
+void Settings::setBlockNetworkImage(bool blockNetworkImage)
+{
+    m_blockNetworkImage = blockNetworkImage;
+}
+#endif
+
+void Settings::setLoadsImagesAutomatically(bool loadsImagesAutomatically)
+{
+    m_loadsImagesAutomatically = loadsImagesAutomatically;
+    setLoadsImagesAutomaticallyInAllFrames(m_page);
+}
+
+void Settings::setJavaScriptEnabled(bool isJavaScriptEnabled)
+{
+    m_isJavaScriptEnabled = isJavaScriptEnabled;
+}
+
+void Settings::setWebSecurityEnabled(bool isWebSecurityEnabled)
+{
+    m_isWebSecurityEnabled = isWebSecurityEnabled;
+}
+
+void Settings::setAllowUniversalAccessFromFileURLs(bool allowUniversalAccessFromFileURLs)
+{
+    m_allowUniversalAccessFromFileURLs = allowUniversalAccessFromFileURLs;
+}
+
+void Settings::setAllowFileAccessFromFileURLs(bool allowFileAccessFromFileURLs)
+{
+    m_allowFileAccessFromFileURLs = allowFileAccessFromFileURLs;
+}
+
+void Settings::setSpatialNavigationEnabled(bool isSpatialNavigationEnabled)
+{
+    m_isSpatialNavigationEnabled = isSpatialNavigationEnabled;
+}
+
+void Settings::setJavaEnabled(bool isJavaEnabled)
+{
+    m_isJavaEnabled = isJavaEnabled;
+}
+
+void Settings::setImagesEnabled(bool areImagesEnabled)
+{
+    m_areImagesEnabled = areImagesEnabled;
+}
+
+void Settings::setMediaEnabled(bool isMediaEnabled)
+{
+    m_isMediaEnabled = isMediaEnabled;
+}
+
+void Settings::setPluginsEnabled(bool arePluginsEnabled)
+{
+    m_arePluginsEnabled = arePluginsEnabled;
+}
+
+void Settings::setLocalStorageEnabled(bool localStorageEnabled)
+{
+    m_localStorageEnabled = localStorageEnabled;
+}
+
+#if ENABLE(DOM_STORAGE)
+void Settings::setSessionStorageQuota(unsigned sessionStorageQuota)
+{
+    m_sessionStorageQuota = sessionStorageQuota;
+}
+#endif
+
+void Settings::setPrivateBrowsingEnabled(bool privateBrowsingEnabled)
+{
+    if (m_privateBrowsingEnabled == privateBrowsingEnabled)
+        return;
+
+    // FIXME: We can only enable cookie private browsing mode globally, so it's misleading to have it as a per-page setting.
+    setCookieStoragePrivateBrowsingEnabled(privateBrowsingEnabled);
+
+    m_privateBrowsingEnabled = privateBrowsingEnabled;
+    m_page->privateBrowsingStateChanged();
+}
+
+void Settings::setJavaScriptCanOpenWindowsAutomatically(bool javaScriptCanOpenWindowsAutomatically)
+{
+    m_javaScriptCanOpenWindowsAutomatically = javaScriptCanOpenWindowsAutomatically;
+}
+
+void Settings::setJavaScriptCanAccessClipboard(bool javaScriptCanAccessClipboard)
+{
+    m_javaScriptCanAccessClipboard = javaScriptCanAccessClipboard;
+}
+
+void Settings::setDefaultTextEncodingName(const String& defaultTextEncodingName)
+{
+    m_defaultTextEncodingName = defaultTextEncodingName;
+}
+
+void Settings::setUserStyleSheetLocation(const KURL& userStyleSheetLocation)
+{
+    if (m_userStyleSheetLocation == userStyleSheetLocation)
+        return;
+
+    m_userStyleSheetLocation = userStyleSheetLocation;
+
+    m_page->userStyleSheetLocationChanged();
+}
+
+void Settings::setShouldPrintBackgrounds(bool shouldPrintBackgrounds)
+{
+    m_shouldPrintBackgrounds = shouldPrintBackgrounds;
+}
+
+void Settings::setTextAreasAreResizable(bool textAreasAreResizable)
+{
+    if (m_textAreasAreResizable == textAreasAreResizable)
+        return;
+
+    m_textAreasAreResizable = textAreasAreResizable;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setEditableLinkBehavior(EditableLinkBehavior editableLinkBehavior)
+{
+    m_editableLinkBehavior = editableLinkBehavior;
+}
+
+void Settings::setTextDirectionSubmenuInclusionBehavior(TextDirectionSubmenuInclusionBehavior behavior)
+{
+    m_textDirectionSubmenuInclusionBehavior = behavior;
+}
+
+#if ENABLE(DASHBOARD_SUPPORT)
+void Settings::setUsesDashboardBackwardCompatibilityMode(bool usesDashboardBackwardCompatibilityMode)
+{
+    m_usesDashboardBackwardCompatibilityMode = usesDashboardBackwardCompatibilityMode;
+}
+#endif
+
+// FIXME: This quirk is needed because of Radar 4674537 and 5211271. We need to phase it out once Adobe
+// can fix the bug from their end.
+void Settings::setNeedsAdobeFrameReloadingQuirk(bool shouldNotReloadIFramesForUnchangedSRC)
+{
+    m_needsAdobeFrameReloadingQuirk = shouldNotReloadIFramesForUnchangedSRC;
+}
+
+// This is a quirk we are pro-actively applying to old applications. It changes keyboard event dispatching,
+// making keyIdentifier available on keypress events, making charCode available on keydown/keyup events,
+// and getting keypress dispatched in more cases.
+void Settings::setNeedsKeyboardEventDisambiguationQuirks(bool needsQuirks)
+{
+    m_needsKeyboardEventDisambiguationQuirks = needsQuirks;
+}
+
+void Settings::setTreatsAnyTextCSSLinkAsStylesheet(bool treatsAnyTextCSSLinkAsStylesheet)
+{
+    m_treatsAnyTextCSSLinkAsStylesheet = treatsAnyTextCSSLinkAsStylesheet;
+}
+
+void Settings::setNeedsLeopardMailQuirks(bool needsQuirks)
+{
+    m_needsLeopardMailQuirks = needsQuirks;
+}
+
+void Settings::setNeedsTigerMailQuirks(bool needsQuirks)
+{
+    m_needsTigerMailQuirks = needsQuirks;
+}
+    
+void Settings::setDOMPasteAllowed(bool DOMPasteAllowed)
+{
+    m_isDOMPasteAllowed = DOMPasteAllowed;
+}
+
+void Settings::setMinDOMTimerInterval(double interval)
+{
+    DOMTimer::setMinTimerInterval(interval);
+}
+
+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));
+        pageCache()->releaseAutoreleasedPagesNow();
+    }
+}
+
+void Settings::setShrinksStandaloneImagesToFit(bool shrinksStandaloneImagesToFit)
+{
+    m_shrinksStandaloneImagesToFit = shrinksStandaloneImagesToFit;
+}
+
+void Settings::setShowsURLsInToolTips(bool showsURLsInToolTips)
+{
+    m_showsURLsInToolTips = showsURLsInToolTips;
+}
+
+void Settings::setFTPDirectoryTemplatePath(const String& path)
+{
+    m_ftpDirectoryTemplatePath = path;
+}
+
+void Settings::setForceFTPDirectoryListings(bool force)
+{
+    m_forceFTPDirectoryListings = force;
+}
+
+void Settings::setDeveloperExtrasEnabled(bool developerExtrasEnabled)
+{
+    m_developerExtrasEnabled = developerExtrasEnabled;
+}
+
+#ifdef ANDROID_META_SUPPORT
+void Settings::resetMetadataSettings()
+{
+    m_viewport_width = -1;
+    m_viewport_height = -1;
+    m_viewport_initial_scale = 0;
+    m_viewport_minimum_scale = 0;
+    m_viewport_maximum_scale = 0;
+    m_viewport_user_scalable = true;
+    m_viewport_target_densitydpi = -1;
+    m_format_detection_telephone = m_default_format_detection;
+    m_format_detection_address = m_default_format_detection;
+    m_format_detection_email = m_default_format_detection;
+}
+
+void Settings::setMetadataSettings(const String& key, const String& value)
+{
+    if (key == "width") {
+        if (value == "device-width") {
+            m_viewport_width = 0;
+        } else {
+            int width = value.toInt();
+            if (width <= 10000) {
+                if (width <= 320) {
+                    // This is a hack to accommodate the pages designed for the
+                    // original iPhone. The new version, since 10/2007, is to
+                    // use device-width which works for both portrait and
+                    // landscape modes.
+                    m_viewport_width = 0;
+                } else {
+                    m_viewport_width = width;
+                }
+            }
+        }
+    } else if (key == "height") {
+        if (value == "device-height") {
+            m_viewport_height = 0;
+        } else {
+            int height = value.toInt();
+            if (height >= 200 && height <= 10000) {
+                m_viewport_height = height;
+            }
+        }
+    } else if (key == "initial-scale") {
+        int scale = int(value.toFloat() * 100);
+        if (scale >= 1 && scale <= 1000) {
+            m_viewport_initial_scale = scale;
+        }
+    } else if (key == "minimum-scale") {
+        int scale = int(value.toFloat() * 100);
+        if (scale >= 1 && scale <= 1000) {
+            m_viewport_minimum_scale = scale;
+        }
+    } else if (key == "maximum-scale") {
+        int scale = int(value.toFloat() * 100);
+        if (scale >= 1 && scale <= 1000) {
+            m_viewport_maximum_scale = scale;
+        }
+    } else if (key == "user-scalable") {
+        // even Apple doc says using "no", "0" is common in the real world, and
+        // some sites, e.g. gomoviesapp.com, use "false".
+        if (value == "no" || value == "0" || value == "false") {
+            m_viewport_user_scalable = false;
+        }
+    } else if (key == "target-densitydpi") {
+        if (value == "device-dpi") {
+            m_viewport_target_densitydpi = 0;
+        } else if (value == "low-dpi") {
+            m_viewport_target_densitydpi = 120;
+        } else if (value == "medium-dpi") {
+            m_viewport_target_densitydpi = 160;
+        } else if (value == "high-dpi") {
+            m_viewport_target_densitydpi = 240;
+        } else {
+            int dpi = value.toInt();
+            if (dpi >= 70 && dpi <= 400) {
+                m_viewport_target_densitydpi = dpi;
+            }
+        }
+    } else if (key == "telephone") {
+        if (value == "no") {
+            m_format_detection_telephone = false;
+        }
+    } else if (key == "address") {
+        if (value == "no") {
+            m_format_detection_address = false;
+        }
+    } else if (key == "email") {
+        if (value == "no") {
+            m_format_detection_email = false;
+        }
+    } else if (key == "format-detection") {
+        // even Apple doc says "format-detection" should be the name of the
+        // <meta> tag. In the real world, e.g. amazon.com, use
+        // "format-detection=no" in the "viewport" <meta> tag to disable all
+        // format detection.
+        if (value == "no") {
+            m_format_detection_telephone = false;
+            m_format_detection_address = false;
+            m_format_detection_email = false;
+        }
+    }
+}
+
+void Settings::setViewportWidth(int width)
+{
+    if (width < 0 || width > 10000)
+        m_viewport_width = -1;
+    else
+        m_viewport_width = width;
+}
+
+void Settings::setViewportHeight(int height)
+{
+    if (height < 0 || height > 10000)
+        m_viewport_height = -1;
+    else
+        m_viewport_height = height;
+}
+
+void Settings::setViewportInitialScale(int scale)
+{
+    if (scale < 1 || scale > 1000)
+        m_viewport_initial_scale = 0;
+    else
+        m_viewport_initial_scale = scale;
+}
+
+void Settings::setViewportMinimumScale(int scale)
+{
+    if (scale < 1 || scale > 1000)
+        m_viewport_minimum_scale = 0;
+    else
+        m_viewport_minimum_scale = scale;
+}
+
+void Settings::setViewportMaximumScale(int scale)
+{
+    if (scale < 1 || scale > 1000)
+        m_viewport_maximum_scale = 0;
+    else
+        m_viewport_maximum_scale = scale;
+}
+
+void Settings::setViewportUserScalable(bool scalable)
+{
+    m_viewport_user_scalable = scalable;
+}
+
+void Settings::setViewportTargetDensityDpi(int dpi)
+{
+    if (dpi < 0 || dpi > 400)
+        m_viewport_target_densitydpi = -1;
+    else
+        m_viewport_target_densitydpi = dpi;
+}
+
+void Settings::setFormatDetectionAddress(bool detect)
+{
+    m_format_detection_address = detect;
+}
+
+void Settings::setFormatDetectionEmail(bool detect)
+{
+    m_format_detection_email = detect;
+}
+
+void Settings::setFormatDetectionTelephone(bool detect)
+{
+    m_format_detection_telephone = detect;
+}
+#endif
+
+void Settings::setAuthorAndUserStylesEnabled(bool authorAndUserStylesEnabled)
+{
+    if (m_authorAndUserStylesEnabled == authorAndUserStylesEnabled)
+        return;
+
+    m_authorAndUserStylesEnabled = authorAndUserStylesEnabled;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setFontRenderingMode(FontRenderingMode mode)
+{
+    if (fontRenderingMode() == mode)
+        return;
+    m_fontRenderingMode = mode;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+FontRenderingMode Settings::fontRenderingMode() const
+{
+    return static_cast<FontRenderingMode>(m_fontRenderingMode);
+}
+
+void Settings::setNeedsSiteSpecificQuirks(bool needsQuirks)
+{
+    m_needsSiteSpecificQuirks = needsQuirks;
+}
+
+void Settings::setFrameFlatteningEnabled(bool frameFlatteningEnabled)
+{
+    m_frameFlatteningEnabled = frameFlatteningEnabled;
+}
+
+void Settings::setWebArchiveDebugModeEnabled(bool enabled)
+{
+    m_webArchiveDebugModeEnabled = enabled;
+}
+
+void Settings::setLocalFileContentSniffingEnabled(bool enabled)
+{
+    m_localFileContentSniffingEnabled = enabled;
+}
+
+void Settings::setLocalStorageDatabasePath(const String& path)
+{
+    m_localStorageDatabasePath = path;
+}
+
+void Settings::setApplicationChromeMode(bool mode)
+{
+    m_inApplicationChromeMode = mode;
+}
+
+void Settings::setOfflineWebApplicationCacheEnabled(bool enabled)
+{
+    m_offlineWebApplicationCacheEnabled = enabled;
+}
+
+void Settings::setShouldPaintCustomScrollbars(bool shouldPaintCustomScrollbars)
+{
+    m_shouldPaintCustomScrollbars = shouldPaintCustomScrollbars;
+}
+
+void Settings::setEnforceCSSMIMETypeInNoQuirksMode(bool enforceCSSMIMETypeInNoQuirksMode)
+{
+    m_enforceCSSMIMETypeInNoQuirksMode = enforceCSSMIMETypeInNoQuirksMode;
+}
+
+#if USE(SAFARI_THEME)
+void Settings::setShouldPaintNativeControls(bool shouldPaintNativeControls)
+{
+    gShouldPaintNativeControls = shouldPaintNativeControls;
+}
+#endif
+
+void Settings::setUsesEncodingDetector(bool usesEncodingDetector)
+{
+    m_usesEncodingDetector = usesEncodingDetector;
+}
+
+void Settings::setDNSPrefetchingEnabled(bool dnsPrefetchingEnabled)
+{
+    if (m_dnsPrefetchingEnabled == dnsPrefetchingEnabled)
+        return;
+
+    m_dnsPrefetchingEnabled = dnsPrefetchingEnabled;
+    m_page->dnsPrefetchingStateChanged();
+}
+
+void Settings::setAllowScriptsToCloseWindows(bool allowScriptsToCloseWindows)
+{
+    m_allowScriptsToCloseWindows = allowScriptsToCloseWindows;
+}
+
+void Settings::setCaretBrowsingEnabled(bool caretBrowsingEnabled)
+{
+    m_caretBrowsingEnabled = caretBrowsingEnabled;
+}
+
+void Settings::setDownloadableBinaryFontsEnabled(bool downloadableBinaryFontsEnabled)
+{
+    m_downloadableBinaryFontsEnabled = downloadableBinaryFontsEnabled;
+}
+
+void Settings::setXSSAuditorEnabled(bool xssAuditorEnabled)
+{
+    m_xssAuditorEnabled = xssAuditorEnabled;
+}
+
+void Settings::setAcceleratedCompositingEnabled(bool enabled)
+{
+    if (m_acceleratedCompositingEnabled == enabled)
+        return;
+        
+    m_acceleratedCompositingEnabled = enabled;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setAcceleratedCompositingFor3DTransformsEnabled(bool enabled)
+{
+    m_acceleratedCompositingFor3DTransformsEnabled = enabled;
+}
+
+void Settings::setAcceleratedCompositingForVideoEnabled(bool enabled)
+{
+    m_acceleratedCompositingForVideoEnabled = enabled;
+}
+
+void Settings::setAcceleratedCompositingForPluginsEnabled(bool enabled)
+{
+    m_acceleratedCompositingForPluginsEnabled = enabled;
+}
+
+void Settings::setAcceleratedCompositingForCanvasEnabled(bool enabled)
+{
+    m_acceleratedCompositingForCanvasEnabled = enabled;
+}
+
+void Settings::setAcceleratedCompositingForAnimationEnabled(bool enabled)
+{
+    m_acceleratedCompositingForAnimationEnabled = enabled;
+}
+
+void Settings::setShowDebugBorders(bool enabled)
+{
+    if (m_showDebugBorders == enabled)
+        return;
+        
+    m_showDebugBorders = enabled;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setShowRepaintCounter(bool enabled)
+{
+    if (m_showRepaintCounter == enabled)
+        return;
+        
+    m_showRepaintCounter = enabled;
+    setNeedsRecalcStyleInAllFrames(m_page);
+}
+
+void Settings::setExperimentalNotificationsEnabled(bool enabled)
+{
+    m_experimentalNotificationsEnabled = enabled;
+}
+
+void Settings::setPluginAllowedRunTime(unsigned runTime)
+{
+    m_pluginAllowedRunTime = runTime;
+    m_page->pluginAllowedRunTimeChanged();
+}
+
+#if PLATFORM(WIN) || (OS(WINDOWS) && PLATFORM(WX))
+void Settings::setShouldUseHighResolutionTimers(bool shouldUseHighResolutionTimers)
+{
+    gShouldUseHighResolutionTimers = shouldUseHighResolutionTimers;
+}
+#endif
+
+void Settings::setWebGLEnabled(bool enabled)
+{
+    m_webGLEnabled = enabled;
+}
+
+void Settings::setAccelerated2dCanvasEnabled(bool enabled)
+{
+    m_acceleratedCanvas2dEnabled = enabled;
+}
+
+void Settings::setLoadDeferringEnabled(bool enabled)
+{
+    m_loadDeferringEnabled = enabled;
+}
+
+void Settings::setTiledBackingStoreEnabled(bool enabled)
+{
+    m_tiledBackingStoreEnabled = enabled;
+#if ENABLE(TILED_BACKING_STORE)
+    if (m_page->mainFrame())
+        m_page->mainFrame()->setTiledBackingStoreEnabled(enabled);
+#endif
+}
+
+} // namespace WebCore