wiki:FeatureFlags

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Version 87 (modified by Laszlo Gombos, 12 years ago) ( diff )
Remove JIT_USE_SOFT_MODULO from the list - see r111481

List of ENABLE flags ¶

3D_PLUGIN ¶

3D_RENDERING ¶

8BIT_TEXTRUN ¶

Turns on code to create 8 bit TextRun's. The features requires that text rendering code can handle both 8 and 16 bit TextRun's.

ACCELERATED_2D_CANVAS ¶

ACCELERATED_OVERFLOW_SCROLLING ¶

BATTERY_STATUS ¶

Battery Status API

BLOB ¶

CALENDAR_PICKER ¶

Calendar picker UI built in WebCore. It's implemented with HTML+JavaScript, and supports type=date, type=datetime, type=datetime-local, type=month, and type=week. This feature requires ENABLE_PAGE_POPUP.

CHANNEL_MESSAGING ¶

CONTEXT_MENUS ¶

CSP_NEXT ¶

Content-Security-Policy 1.1. Announcement. http://webkit.org/b/85558.

CSS_BOX_DECORATION_BREAK ¶

box-decoration-break CSS property. http://webkit.org/b/27576.

CSS_COMPOSITING ¶

Compositing and Blending. Announcement. http://webkit.org/b/91908. Under development.

CSS_FILTERS ¶

CSS_SHADERS ¶

CSS_STICKY_POSITION ¶

CSS position:sticky. Announcement. http://webkit.org/b/90046.

CSS_TRANSFORMS_ANIMATIONS_TRANSITIONS_UNPREFIXED ¶

Announcement. http://webkit.org/b/93136 Under development as they are few things to do before shipping them. Enabled by default in trunk.

CSS_VARIABLES ¶

CSS Variables Module. Announcement. Under development.

CUSTOM_SCHEME_HANDLER ¶

isProtocolHandlerRegistered() and unregisterProtocolHandler() of Custom scheme and content handlers.

DASHBOARD_SUPPORT ¶

DATALIST_ELEMENT ¶

<datalist> support. Stable. Need platform-specific implementation.

DATA_TRANSFER_ITEMS ¶

DATE_AND_TIME_INPUT_TYPES ¶

An alias of ENABLE(INPUT_TYPE_DATE) || ENABLE(INPUT_TYPE_DATETIME) || ENABLE(INPUT_TYPE_DATETIMELOCAL) || ENABLE(INPUT_TYPE_MONTH) || ENABLE(INPUT_TYPE_TIME) || ENABLE(INPUT_TYPE_WEEK). We shouldn't enable/disable this flag explicitly.

DEBUG_MATH_LAYOUT ¶

DETAILS_ELEMENT ¶

<details> and <summary> support. Stable.

DEVICE_ORIENTATION ¶

DIALOG_ELEMENT ¶

<dialog> support. Announcement. http://webkit.org/b/84635. Under development.

DIRECTORY_UPLOAD ¶

<input type=file webkitdirectory> support. Experimental.

DOWNLOAD_ATTRIBUTE ¶

DRAG_SUPPORT ¶

DRAGGABLE_REGION ¶

Currently only supported in chromium port. http://lists.webkit.org/pipermail/webkit-dev/2012-June/021257.html

ENCRYPTED_MEDIA ¶

Encrypted Media Extensions. Announcement.

EVENT_MODE_METATAGS ¶

FAST_MOBILE_SCROLLING ¶

FILE_SYSTEM ¶

FILTERS ¶

Image filter implementation. SVG Filter feature is available if ENABLE(SVG) && ENABLE(FILTERS).

FTPDIR ¶

FULLSCREEN_API ¶

GAMEPAD ¶

GEOLOCATION ¶

GESTURE_EVENTS ¶

GLIB_SUPPORT ¶

GLOBAL_FASTMALLOC_NEW ¶

HIDDEN_PAGE_DOM_TIMER_THROTTLING ¶

http://lists.webkit.org/pipermail/webkit-dev/2012-October/022458.html http://webkit.org/b/98474. Experimental.

HIGH_DPI_CANVAS ¶

ICONDATABASE ¶

IFRAME_SEAMLESS ¶

IMAGE_DECODER_DOWN_SAMPLING ¶

INDEXED_DATABASE ¶

INPUT_MULTIPLE_FIELDS_UI ¶

Introduced by http://webkit.org/b/97640 for using multiple fields UI in "date", "datetime", "datetime-local", "month", "time" and "week". This flag was named INPUT_TYPE_TIME_MULTIPLE_FIELDS http://webkit.org/b/88970. Announcement. .

INPUT_SPEECH ¶

<input x-webkit-speech> support. Experimental.

INPUT_TYPE_COLOR ¶

<input type=color> support. Stable. Need platform-specific code in ChromeClient.

INPUT_TYPE_DATE ¶

<input type=date> support. API implementation is stable, but the UI is poor. This shouldn't be enabled unless a date control have a richer UI. A calendar picker UI for desktop platforms is under development. In Android port, we apply -webkit-appearance:menulist-button to a date control, and non-WebKit code opens a modal dialog by a click on it.

INPUT_TYPE_DATETIME ¶

<input type=datetime> support. Similar status with INPUT_TYPE_DATE.

INPUT_TYPE_DATETIMELOCAL ¶

<input type=datetime-local> support. Similar status with INPUT_TYPE_DATE.

INPUT_TYPE_MONTH ¶

<input type=month> support. Similar status with INPUT_TYPE_DATE.

INPUT_TYPE_TIME ¶

<input type=time> support. Similar status with INPUT_TYPE_DATE.

INPUT_TYPE_WEEK ¶

<input type=week> support. Similar status with INPUT_TYPE_DATE.

INSPECTOR ¶

Inspector support. Stable.

JAVASCRIPT_DEBUGGER ¶

LEGACY_CSS_VENDOR_PREFIXES ¶

Support for -khtml- and -apple- vendor prefixes.

LEGACY_NOTIFICATIONS ¶

LEGACY_VENDOR_PREFIXES ¶

Obsolete prefixed APIs should be wrapped by this.

LEGACY_VIEWPORT_ADAPTION ¶

LINK_PREFETCH ¶

LINK_PRERENDER ¶

http://webkit.org/b/84871

MATHML ¶

MathML support.

MEDIA_CAPTURE ¶

HTML Media Capture support. Announcement. Support only 'capture' attribute for now.

MEDIA_SOURCE ¶

MEDIA_STATISTICS ¶

MEDIA_STREAM ¶

METER_ELEMENT ¶

<meter> support. Stable.

MHTML ¶

MICRODATA ¶

MOUSE_CURSOR_SCALE ¶

Allows mouse cursors to carry information about the scale of image pixels to logical UI pixels, eg. from -webkit-image-set.

Announcement. specification Master bug

MUTATION_OBSERVERS ¶

NAVIGATOR_CONTENT_UTILS ¶

registerProtocolHandler, etc.

NETSCAPE_PLUGIN_API ¶

NETSCAPE_PLUGIN_METADATA_CACHE ¶

NETWORK_INFO ¶

Announcement. EFL port only supports this feature partially.

NEW_XML ¶

NOTIFICATIONS ¶

OPENCL ¶

Enable OpenCL based optimizations.

OPENTYPE_VERTICAL ¶

ORIENTATION_EVENTS ¶

PAGE_POPUP ¶

Internal API to provide HTML-capable popup. This is needed for calendar picker UI of <input type=date>. This needs ChromeClient implementation.

PAGE_VISIBILITY_API ¶

PAN_SCROLLING ¶

PARSED_STYLE_SHEET_CACHING ¶

http://webkit.org/b/85413

PLUGIN_PACKAGE_SIMPLE_HASH ¶

PLUGIN_PROXY_FOR_VIDEO ¶

POINTER_LOCK ¶

PROGRESS_ELEMENT ¶

<progress> support. Stable. Need to implement functions of RenderTheme.

PROXIMITY_EVENTS ¶

http://webkit.org/b/92837. Under development.

QUOTA ¶

REPAINT_THROTTLING ¶

REQUEST_ANIMATION_FRAME ¶

REQUEST_AUTOCOMPLETE ¶

Adds an API for interactive autocomplete UI (currently only in chromium port). https://bugs.webkit.org/show_bug.cgi?id=100560 Under development.

RUBBER_BANDING ¶

SATURATED_LAYOUT_ARITHMETIC ¶

SCRIPTED_SPEECH ¶

Under development.

SHADOW_DOM ¶

Shadow DOM support. Experimental.

SHARED_WORKERS ¶

SMOOTH_SCROLLING ¶

SPELLCHECK ¶

SQL_DATABASE ¶

STYLE_SCOPED ¶

SUBPIXEL_LAYOUT ¶

LayoutUnit

SVG ¶

SVG support. Stable.

SVG_DOM_OBJC_BINDINGS ¶

SVG_FONTS ¶

TEMPLATE_ELEMENT ¶

Spec Meta Bug

TEXT_AUTOSIZING ¶

Announcement. http://webkit.org/b/84186. Under development.

TEXT_CARET ¶

THREADED_SCROLLING ¶

THREADING_GENERIC ¶

TOUCH_EVENTS ¶

TOUCH_ICON_LOADING ¶

VIBRATION ¶

Vibration API.

VIDEO ¶

<video> and <audio> support. Stable.

VIDEO_TRACK ¶

VIEWPORT ¶

VIEWPORT_REFLOW ¶

WEBGL ¶

WEB_ARCHIVE ¶

WEB_AUDIO ¶

WEB_INTENTS ¶

WEB_SOCKETS ¶

WebSocket support. Stable.

WEB_TIMING ¶

WORKERS ¶

WTF_MALLOC_VALIDATION ¶

XHR_RESPONSE_BLOB ¶

XHR_TIMEOUT ¶

See also https://bugs.webkit.org/show_bug.cgi?id=100356 , temporary flag until all network backends have support for setTimeoutInterval (tracked in https://bugs.webkit.org/show_bug.cgi?id=98397)