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/*
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef WebSettings_h
#define WebSettings_h
#include "../platform/PointerProperties.h"
#include "../platform/WebCommon.h"
#include "../platform/WebSize.h"
#include <unicode/uscript.h>
namespace blink {
class WebString;
// WebSettings is owned by the WebView and allows code to modify the settings for
// the WebView's page without any knowledge of WebCore itself. For the most part,
// these functions have a 1:1 mapping with the methods in WebCore/page/Settings.h.
class WebSettings {
public:
enum ImageAnimationPolicy {
ImageAnimationPolicyAllowed,
ImageAnimationPolicyAnimateOnce,
ImageAnimationPolicyNoAnimation
};
enum EditingBehavior {
EditingBehaviorMac,
EditingBehaviorWin,
EditingBehaviorUnix,
EditingBehaviorAndroid
};
enum V8CacheOptions {
V8CacheOptionsDefault,
V8CacheOptionsNone,
V8CacheOptionsParse,
V8CacheOptionsCode,
};
// Selection strategy defines how the selection granularity changes when the
// selection extent is moved.
enum class SelectionStrategyType {
// Always uses character granularity.
Character,
// "Expand by word, shrink by character" selection strategy.
// Uses character granularity when selection is shrinking. If the
// selection is expanding, granularity doesn't change until a word
// boundary is passed, after which the granularity switches to "word".
Direction
};
// Defines user preference for text track kind.
enum class TextTrackKindUserPreference {
// Display only tracks marked as default
Default,
// If available, display captions track in preferred language, else display subtitles.
Captions,
// If available, display subtitles track in preferred language, else display captions.
Subtitles
};
// Sets value of a setting by its string identifier from Settings.in and
// string representation of value. An enum's string representation is the
// string representation of the integer value of the enum.
virtual void setFromStrings(const WebString& name, const WebString& value) = 0;
virtual bool mainFrameResizesAreOrientationChanges() const = 0;
virtual bool shrinksViewportContentToFit() const = 0;
virtual bool viewportEnabled() const = 0;
virtual void setAccelerated2dCanvasEnabled(bool) = 0;
virtual void setAccelerated2dCanvasMSAASampleCount(int) = 0;
virtual void setAcceleratedCompositingEnabled(bool) = 0;
virtual void setPreferCompositingToLCDTextEnabled(bool) = 0;
// Not implemented yet, see http://crbug.com/178119
virtual void setAcceleratedCompositingForTransitionEnabled(bool) { }
// If set to true, allows frames with an https origin to display passive
// contents at an insecure URL. Otherwise, disallows it. The
// FrameLoaderClient set to the frame may override the value set by this
// method.
virtual void setAccessibilityEnabled(bool) = 0;
virtual void setAccessibilityPasswordValuesEnabled(bool) = 0;
virtual void setAllowDisplayOfInsecureContent(bool) = 0;
virtual void setAllowFileAccessFromFileURLs(bool) = 0;
virtual void setAllowCustomScrollbarInMainFrame(bool) = 0;
virtual void setAllowGeolocationOnInsecureOrigins(bool) = 0;
// If set to true, allows frames with an https origin to run active
// contents at an insecure URL. This includes WebSockets. Otherwise,
// disallows it. The FrameLoaderClient set to the frame may override the
// value set by this method.
virtual void setAllowRunningOfInsecureContent(bool) = 0;
virtual void setAllowScriptsToCloseWindows(bool) = 0;
virtual void setAllowUniversalAccessFromFileURLs(bool) = 0;
virtual void setAntialiased2dCanvasEnabled(bool) = 0;
virtual void setAntialiasedClips2dCanvasEnabled(bool) = 0;
virtual void setAutoplayExperimentMode(const WebString&) = 0;
virtual void setAutoZoomFocusedNodeToLegibleScale(bool) = 0;
virtual void setCaretBrowsingEnabled(bool) = 0;
virtual void setClobberUserAgentInitialScaleQuirk(bool) = 0;
virtual void setCookieEnabled(bool) = 0;
virtual void setNavigateOnDragDrop(bool) = 0;
virtual void setCursiveFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setDNSPrefetchingEnabled(bool) = 0;
virtual void setDataSaverEnabled(bool) = 0;
virtual void setDOMPasteAllowed(bool) = 0;
virtual void setDefaultFixedFontSize(int) = 0;
virtual void setDefaultFontSize(int) = 0;
virtual void setDefaultTextEncodingName(const WebString&) = 0;
virtual void setDefaultVideoPosterURL(const WebString&) = 0;
void setDeferred2dCanvasEnabled(bool) { } // temporary stub
virtual void setDeviceScaleAdjustment(float) = 0;
virtual void setDeviceSupportsMouse(bool) = 0;
virtual void setDeviceSupportsTouch(bool) = 0;
virtual void setDisableReadingFromCanvas(bool) = 0;
virtual void setDoubleTapToZoomEnabled(bool) = 0;
virtual void setDownloadableBinaryFontsEnabled(bool) = 0;
virtual void setEditingBehavior(EditingBehavior) = 0;
virtual void setEnableScrollAnimator(bool) = 0;
virtual void setEnableTouchAdjustment(bool) = 0;
virtual bool multiTargetTapNotificationEnabled() = 0;
virtual void setMultiTargetTapNotificationEnabled(bool) = 0;
virtual void setExperimentalWebGLEnabled(bool) = 0;
virtual void setFantasyFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setFixedFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setReportWheelOverscroll(bool) = 0;
virtual void setForceZeroLayoutHeight(bool) = 0;
virtual void setFullscreenSupported(bool) = 0;
virtual void setHyperlinkAuditingEnabled(bool) = 0;
virtual void setIgnoreMainFrameOverflowHiddenQuirk(bool) = 0;
virtual void setImageAnimationPolicy(ImageAnimationPolicy) = 0;
virtual void setImagesEnabled(bool) = 0;
virtual void setInlineTextBoxAccessibilityEnabled(bool) = 0;
virtual void setInertVisualViewport(bool) = 0;
virtual void setJavaScriptCanAccessClipboard(bool) = 0;
virtual void setJavaScriptCanOpenWindowsAutomatically(bool) = 0;
virtual void setJavaScriptEnabled(bool) = 0;
void setLayerSquashingEnabled(bool) { }
virtual void setLoadsImagesAutomatically(bool) = 0;
virtual void setLoadWithOverviewMode(bool) = 0;
virtual void setLocalStorageEnabled(bool) = 0;
virtual void setMainFrameClipsContent(bool) = 0;
virtual void setMainFrameResizesAreOrientationChanges(bool) = 0;
virtual void setMaxTouchPoints(int) = 0;
virtual void setMediaControlsOverlayPlayButtonEnabled(bool) = 0;
virtual void setMediaPlaybackRequiresUserGesture(bool) = 0;
virtual void setPresentationRequiresUserGesture(bool) = 0;
virtual void setMinimumAccelerated2dCanvasSize(int) = 0;
virtual void setMinimumFontSize(int) = 0;
virtual void setMinimumLogicalFontSize(int) = 0;
virtual void setMockScrollbarsEnabled(bool) = 0;
virtual void setOfflineWebApplicationCacheEnabled(bool) = 0;
virtual void setOpenGLMultisamplingEnabled(bool) = 0;
virtual void setPasswordEchoDurationInSeconds(double) = 0;
virtual void setPasswordEchoEnabled(bool) = 0;
virtual void setPerTilePaintingEnabled(bool) = 0;
virtual void setPictographFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setPinchOverlayScrollbarThickness(int) = 0;
virtual void setPluginsEnabled(bool) = 0;
virtual void setAvailablePointerTypes(int) = 0;
virtual void setPrimaryPointerType(PointerType) = 0;
virtual void setAvailableHoverTypes(int) = 0;
virtual void setPrimaryHoverType(HoverType) = 0;
virtual void setPreferHiddenVolumeControls(bool) = 0;
virtual void setRenderVSyncNotificationEnabled(bool) = 0;
virtual void setReportScreenSizeInPhysicalPixelsQuirk(bool) = 0;
virtual void setRootLayerScrolls(bool) = 0;
virtual void setRubberBandingOnCompositorThread(bool) = 0;
virtual void setSansSerifFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setSelectTrailingWhitespaceEnabled(bool) = 0;
virtual void setSelectionIncludesAltImageText(bool) = 0;
virtual void setSelectionStrategy(SelectionStrategyType) = 0;
virtual void setSerifFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setShouldPrintBackgrounds(bool) = 0;
virtual void setShouldClearDocumentBackground(bool) = 0;
virtual void setShouldRespectImageOrientation(bool) = 0;
virtual void setShowContextMenuOnMouseUp(bool) = 0;
virtual void setShowFPSCounter(bool) = 0;
virtual void setShowPaintRects(bool) = 0;
virtual void setShrinksViewportContentToFit(bool) = 0;
virtual void setSmartInsertDeleteEnabled(bool) = 0;
// Spatial navigation feature, when enabled, improves the experience
// of keyboard-controlling the web pages which originally were not designed
// for keyboard navigation. It allows to use arrow keys to move focus between
// the adjacent HTML elements. As a side effect, it extends the criteria for
// elements to be focusable to include any element which has click or keyboard
// event handlers specified. User can also trigger click handlers for such
// elements using SPACE or ENTER keys.
virtual void setSpatialNavigationEnabled(bool) = 0;
virtual void setStandardFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
virtual void setStrictMixedContentChecking(bool) = 0;
virtual void setStrictMixedContentCheckingForPlugin(bool) = 0;
virtual void setStrictPowerfulFeatureRestrictions(bool) = 0;
virtual void setStrictlyBlockBlockableMixedContent(bool) = 0;
virtual void setSupportDeprecatedTargetDensityDPI(bool) = 0;
virtual void setSupportsMultipleWindows(bool) = 0;
virtual void setSyncXHRInDocumentsEnabled(bool) = 0;
virtual void setTextAreasAreResizable(bool) = 0;
virtual void setTextAutosizingEnabled(bool) = 0;
virtual void setAccessibilityFontScaleFactor(float) = 0;
virtual void setTextTrackKindUserPreference(TextTrackKindUserPreference) = 0;
virtual void setTextTrackBackgroundColor(const WebString&) = 0;
virtual void setTextTrackFontFamily(const WebString&) = 0;
virtual void setTextTrackFontStyle(const WebString&) = 0;
virtual void setTextTrackFontVariant(const WebString&) = 0;
virtual void setTextTrackMarginPercentage(float) = 0;
virtual void setTextTrackTextColor(const WebString&) = 0;
virtual void setTextTrackTextShadow(const WebString&) = 0;
virtual void setTextTrackTextSize(const WebString&) = 0;
virtual void setThreadedScrollingEnabled(bool) = 0;
virtual void setTouchDragDropEnabled(bool) = 0;
virtual void setUnifiedTextCheckerEnabled(bool) = 0;
virtual void setUseLegacyBackgroundSizeShorthandBehavior(bool) = 0;
virtual void setUseMobileViewportStyle(bool) = 0;
virtual void setUseSolidColorScrollbars(bool) = 0;
virtual void setUseWideViewport(bool) = 0;
virtual void setUsesEncodingDetector(bool) = 0;
virtual void setV8CacheOptions(V8CacheOptions) = 0;
virtual void setValidationMessageTimerMagnification(int) = 0;
virtual void setViewportEnabled(bool) = 0;
virtual void setViewportMetaEnabled(bool) = 0;
virtual void setViewportMetaLayoutSizeQuirk(bool) = 0;
virtual void setViewportMetaMergeContentQuirk(bool) = 0;
virtual void setViewportMetaNonUserScalableQuirk(bool) = 0;
virtual void setViewportMetaZeroValuesQuirk(bool) = 0;
virtual void setWebGLErrorsToConsoleEnabled(bool) = 0;
virtual void setWebSecurityEnabled(bool) = 0;
virtual void setWideViewportQuirkEnabled(bool) = 0;
virtual void setXSSAuditorEnabled(bool) = 0;
protected:
~WebSettings() { }
};
} // namespace blink
#endif
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