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gecko-dev/modules/libpref/init/StaticPrefList.h
Shane Caraveo 050ca2e7d4 Bug 1511636: update incognito support to use pref and permissions r=rpl,aswan,kmag 
This changes the policy to use the pref and permissions rather than a boolean flag.  Using permissions gets us proper settings on startup without introducing any new overhead.  Going this way flips our tests around so rather than testing an override to turn off private browsing support, we test overrides to enable private browsing support.

Differential Revision: https://phabricator.services.mozilla.com/D14482

--HG--
extra : moz-landing-system : lando
2019-01-28 18:10:47 +00:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// This file defines static prefs, i.e. those that are defined at startup and
// used entirely or mostly from C++ code.
//
// If a pref is listed here and also in a prefs data file such as all.js, the
// value from the latter will override the value given here. For vanilla
// browser builds such overrides are discouraged, but they are necessary for
// some configurations (e.g. Thunderbird).
//
// The file is separated into sections, where the sections are determined by
// the first segment of the prefnames within (e.g. "network.predictor.enabled"
// is within the "Network" section). Sections should be kept in alphabetical
// order, but prefs within sections need not be.
//
// Normal prefs
// ------------
// Definitions of normal prefs in this file have the following form.
//
// PREF(<pref-name-string>, <cpp-type>, <default-value>)
//
// - <pref-name-string> is the name of the pref, as it appears in about:config.
// It is used in most libpref API functions (from both C++ and JS code).
//
// - <cpp-type> is one of bool, int32_t, float, or String (which is just a
// typedef for `const char*` in StaticPrefs.h). Note that float prefs are
// stored internally as strings.
//
// - <default-value> is the default value. Its type should match <cpp-type>.
//
// VarCache prefs
// --------------
// A VarCache pref is a special type of pref. It can be accessed via the normal
// pref hash table lookup functions, but it also has an associated global
// variable (the VarCache) that mirrors the pref value in the prefs hash table,
// and a getter function that reads that global variable. Using the getter to
// read the pref's value has the two following advantages over the normal API
// functions.
//
// - A direct global variable access is faster than a hash table lookup.
//
// - A global variable can be accessed off the main thread. If a pref *is*
// accessed off the main thread, it should use an atomic type. (But note that
// many VarCaches that should be atomic are not, in particular because
// Atomic<float> is not available, alas.)
//
// Definitions of VarCache prefs in this file has the following form.
//
// VARCACHE_PREF(
// <pref-name-string>,
// <pref-name-id>,
// <cpp-type>, <default-value>
// )
//
// - <pref-name-string> is the same as for normal prefs.
//
// - <pref-name-id> is the name of the static getter function generated within
// the StaticPrefs class. For consistency, the identifier for every pref
// should be created by starting with <pref-name-string> and converting any
// '.' or '-' chars to '_'. For example, "foo.bar_baz" becomes
// |foo_bar_baz|. This is arguably ugly, but clear, and you can search for
// both using the regexp /foo.bar.baz/.
//
// - <cpp-type> is one of bool, int32_t, uint32_t, float, or an Atomic version
// of one of those. The C++ preprocessor doesn't like template syntax in a
// macro argument, so use the typedefs defines in StaticPrefs.h; for example,
// use `ReleaseAcquireAtomicBool` instead of `Atomic<bool, ReleaseAcquire>`.
//
// - <default-value> is the same as for normal prefs.
//
// Note that Rust code must access the global variable directly, rather than via
// the getter.
// clang-format off
//---------------------------------------------------------------------------
// Accessibility prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"accessibility.monoaudio.enable",
accessibility_monoaudio_enable,
RelaxedAtomicBool, false
)
//---------------------------------------------------------------------------
// Fuzzing prefs. It's important that these can only be checked in fuzzing
// builds (when FUZZING is defined), otherwise you could enable the fuzzing
// stuff on your regular build which would be bad :)
//---------------------------------------------------------------------------
#ifdef FUZZING
VARCACHE_PREF(
"fuzzing.enabled",
fuzzing_enabled,
bool, false
)
#endif
//---------------------------------------------------------------------------
// Clipboard prefs
//---------------------------------------------------------------------------
#if !defined(ANDROID) && !defined(XP_MACOSX) && defined(XP_UNIX)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"clipboard.autocopy",
clipboard_autocopy,
bool, PREF_VALUE
)
#undef PREF_VALUE
//---------------------------------------------------------------------------
// DOM prefs
//---------------------------------------------------------------------------
// Is support for composite operations from the Web Animations API enabled?
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"dom.animations-api.compositing.enabled",
dom_animations_api_compositing_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Is support for Document.getAnimations() and Element.getAnimations()
// supported?
//
// Before enabling this by default, make sure also CSSPseudoElement interface
// has been spec'ed properly, or we should add a separate pref for
// CSSPseudoElement interface. See Bug 1174575 for further details.
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"dom.animations-api.getAnimations.enabled",
dom_animations_api_getAnimations_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Is support for animations from the Web Animations API without 0%/100%
// keyframes enabled?
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"dom.animations-api.implicit-keyframes.enabled",
dom_animations_api_implicit_keyframes_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Is support for timelines from the Web Animations API enabled?
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"dom.animations-api.timelines.enabled",
dom_animations_api_timelines_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Whether Mozilla specific "text" event should be dispatched only in the
// system group or not in content.
VARCACHE_PREF(
"dom.compositionevent.text.dispatch_only_system_group_in_content",
dom_compositionevent_text_dispatch_only_system_group_in_content,
bool, true
)
// How long a content process can take before closing its IPC channel
// after shutdown is initiated. If the process exceeds the timeout,
// we fear the worst and kill it.
#if !defined(DEBUG) && !defined(MOZ_ASAN) && !defined(MOZ_VALGRIND) && \
!defined(MOZ_TSAN)
# define PREF_VALUE 5
#else
# define PREF_VALUE 0
#endif
VARCACHE_PREF(
"dom.ipc.tabs.shutdownTimeoutSecs",
dom_ipc_tabs_shutdownTimeoutSecs,
RelaxedAtomicUint32, PREF_VALUE
)
#undef PREF_VALUE
// If this is true, "keypress" event's keyCode value and charCode value always
// become same if the event is not created/initialized by JS.
VARCACHE_PREF(
"dom.keyboardevent.keypress.set_keycode_and_charcode_to_same_value",
dom_keyboardevent_keypress_set_keycode_and_charcode_to_same_value,
bool, true
)
// Whether we conform to Input Events Level 1 or Input Events Level 2.
// true: conforming to Level 1
// false: conforming to Level 2
VARCACHE_PREF(
"dom.input_events.conform_to_level_1",
dom_input_events_conform_to_level_1,
bool, true
)
// NOTE: This preference is used in unit tests. If it is removed or its default
// value changes, please update test_sharedMap_var_caches.js accordingly.
VARCACHE_PREF(
"dom.webcomponents.shadowdom.report_usage",
dom_webcomponents_shadowdom_report_usage,
bool, false
)
// Whether we disable triggering mutation events for changes to style
// attribute via CSSOM.
// NOTE: This preference is used in unit tests. If it is removed or its default
// value changes, please update test_sharedMap_var_caches.js accordingly.
VARCACHE_PREF(
"dom.mutation-events.cssom.disabled",
dom_mutation_events_cssom_disabled,
bool, true
)
VARCACHE_PREF(
"dom.performance.enable_scheduler_timing",
dom_performance_enable_scheduler_timing,
RelaxedAtomicBool, true
)
// Should we defer timeouts and intervals while loading a page. Released
// on Idle or when the page is loaded.
VARCACHE_PREF(
"dom.timeout.defer_during_load",
dom_timeout_defer_during_load,
bool, true
)
// Maximum deferral time for setTimeout/Interval in milliseconds
VARCACHE_PREF(
"dom.timeout.max_idle_defer_ms",
dom_timeout_max_idle_defer_ms,
uint32_t, 10*1000
)
VARCACHE_PREF(
"dom.performance.children_results_ipc_timeout",
dom_performance_children_results_ipc_timeout,
uint32_t, 1000
)
// If true. then the service worker interception and the ServiceWorkerManager
// will live in the parent process. This only takes effect on browser start.
// Note, this is not currently safe to use for normal browsing yet.
PREF("dom.serviceWorkers.parent_intercept", bool, false)
// Enable/disable the PaymentRequest API
VARCACHE_PREF(
"dom.payments.request.enabled",
dom_payments_request_enabled,
bool, false
)
// Whether a user gesture is required to call PaymentRequest.prototype.show().
VARCACHE_PREF(
"dom.payments.request.user_interaction_required",
dom_payments_request_user_interaction_required,
bool, true
)
// Time in milliseconds for PaymentResponse to wait for
// the Web page to call complete().
VARCACHE_PREF(
"dom.payments.response.timeout",
dom_payments_response_timeout,
uint32_t, 5000
)
// SW Cache API
VARCACHE_PREF(
"dom.caches.enabled",
dom_caches_enabled,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"dom.caches.testing.enabled",
dom_caches_testing_enabled,
RelaxedAtomicBool, false
)
// Enable printing performance marks/measures to log
VARCACHE_PREF(
"dom.performance.enable_user_timing_logging",
dom_performance_enable_user_timing_logging,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"dom.webnotifications.enabled",
dom_webnotifications_enabled,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"dom.webnotifications.serviceworker.enabled",
dom_webnotifications_serviceworker_enabled,
RelaxedAtomicBool, true
)
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.webnotifications.requireinteraction.enabled",
dom_webnotifications_requireinteraction_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.serviceWorkers.enabled",
dom_serviceWorkers_enabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"dom.serviceWorkers.testing.enabled",
dom_serviceWorkers_testing_enabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"dom.testing.structuredclonetester.enabled",
dom_testing_structuredclonetester_enabled,
RelaxedAtomicBool, false
)
// Enable Storage API for all platforms except Android.
#if !defined(MOZ_WIDGET_ANDROID)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.storageManager.enabled",
dom_storageManager_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// WHATWG promise rejection events. See
// https://html.spec.whatwg.org/multipage/webappapis.html#promiserejectionevent
// TODO: Enable the event interface once actually firing it (bug 1362272).
VARCACHE_PREF(
"dom.promise_rejection_events.enabled",
dom_promise_rejection_events_enabled,
RelaxedAtomicBool, false
)
// Push
VARCACHE_PREF(
"dom.push.enabled",
dom_push_enabled,
RelaxedAtomicBool, false
)
#if !defined(MOZ_WIDGET_ANDROID)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.webkitBlink.dirPicker.enabled",
dom_webkitBlink_dirPicker_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// Network Information API
#if defined(MOZ_WIDGET_ANDROID)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.netinfo.enabled",
dom_netinfo_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.fetchObserver.enabled",
dom_fetchObserver_enabled,
RelaxedAtomicBool, false
)
// Enable Performance Observer API
VARCACHE_PREF(
"dom.enable_performance_observer",
dom_enable_performance_observer,
RelaxedAtomicBool, true
)
// Enable passing the "storage" option to indexedDB.open.
VARCACHE_PREF(
"dom.indexedDB.storageOption.enabled",
dom_indexedDB_storageOption_enabled,
RelaxedAtomicBool, false
)
#ifdef JS_BUILD_BINAST
VARCACHE_PREF(
"dom.script_loader.binast_encoding.enabled",
dom_script_loader_binast_encoding_enabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"dom.script_loader.binast_encoding.domain.restrict",
dom_script_loader_binast_encoding_domain_restrict,
bool, true
)
#endif
// IMPORTANT: Keep this in condition in sync with all.js. The value
// of MOZILLA_OFFICIAL is different between full and artifact builds, so without
// it being specified there, dump is disabled in artifact builds (see Bug 1490412).
#ifdef MOZILLA_OFFICIAL
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"browser.dom.window.dump.enabled",
browser_dom_window_dump_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.worker.canceling.timeoutMilliseconds",
dom_worker_canceling_timeoutMilliseconds,
RelaxedAtomicUint32, 30000 /* 30 seconds */
)
// Enable content type normalization of XHR uploads via MIME Sniffing standard
// Disabled for now in bz1499136
VARCACHE_PREF(
"dom.xhr.standard_content_type_normalization",
dom_xhr_standard_content_type_normalization,
RelaxedAtomicBool, false
)
// Block multiple external protocol URLs in iframes per single event.
#ifdef NIGHTLY_BUILD
#define PREF_VALUE true
#else
#define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.block_external_protocol_in_iframes",
dom_block_external_protocol_in_iframes,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Any how many seconds we allow external protocol URLs in iframe when not in
// single events
VARCACHE_PREF(
"dom.delay.block_external_protocol_in_iframes",
dom_delay_block_external_protocol_in_iframes,
uint32_t, 10 // in seconds
)
// Block multiple window.open() per single event.
VARCACHE_PREF(
"dom.block_multiple_popups",
dom_block_multiple_popups,
bool, true
)
// For area and anchor elements with target=_blank and no rel set to
// opener/noopener, this pref sets noopener by default.
#ifdef EARLY_BETA_OR_EARLIER
#define PREF_VALUE true
#else
#define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.targetBlankNoOpener.enabled",
dom_targetBlankNoOpener_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.disable_open_during_load",
dom_disable_open_during_load,
bool, false
)
// Storage-access API.
VARCACHE_PREF(
"dom.storage_access.enabled",
dom_storage_access_enabled,
bool, false
)
//---------------------------------------------------------------------------
// Clear-Site-Data prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"dom.clearSiteData.enabled",
dom_clearSiteData_enabled,
bool, true
)
//---------------------------------------------------------------------------
// Extension prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"extensions.allowPrivateBrowsingByDefault",
extensions_allowPrivateBrowsingByDefault,
bool, true
)
//---------------------------------------------------------------------------
// Full-screen prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"full-screen-api.unprefix.enabled",
full_screen_api_unprefix_enabled,
bool, true
)
//---------------------------------------------------------------------------
// Graphics prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"gfx.font_rendering.opentype_svg.enabled",
gfx_font_rendering_opentype_svg_enabled,
bool, true
)
VARCACHE_PREF(
"gfx.offscreencanvas.enabled",
gfx_offscreencanvas_enabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"gfx.font_ahem_antialias_none",
gfx_font_ahem_antialias_none,
RelaxedAtomicBool, false
)
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"gfx.omta.background-color",
gfx_omta_background_color,
bool, PREF_VALUE
)
#undef PREF_VALUE
//---------------------------------------------------------------------------
// HTML5 parser prefs
//---------------------------------------------------------------------------
// Toggle which thread the HTML5 parser uses for stream parsing.
VARCACHE_PREF(
"html5.offmainthread",
html5_offmainthread,
bool, true
)
// Time in milliseconds between the time a network buffer is seen and the timer
// firing when the timer hasn't fired previously in this parse in the
// off-the-main-thread HTML5 parser.
VARCACHE_PREF(
"html5.flushtimer.initialdelay",
html5_flushtimer_initialdelay,
RelaxedAtomicInt32, 16
)
// Time in milliseconds between the time a network buffer is seen and the timer
// firing when the timer has already fired previously in this parse.
VARCACHE_PREF(
"html5.flushtimer.subsequentdelay",
html5_flushtimer_subsequentdelay,
RelaxedAtomicInt32, 16
)
//---------------------------------------------------------------------------
// Layout prefs
//---------------------------------------------------------------------------
// Debug-only pref to force enable the AccessibleCaret. If you want to
// control AccessibleCaret by mouse, you'll need to set
// "layout.accessiblecaret.hide_carets_for_mouse_input" to false.
VARCACHE_PREF(
"layout.accessiblecaret.enabled",
layout_accessiblecaret_enabled,
bool, false
)
// Enable the accessible caret on platforms/devices
// that we detect have touch support. Note that this pref is an
// additional way to enable the accessible carets, rather than
// overriding the layout.accessiblecaret.enabled pref.
VARCACHE_PREF(
"layout.accessiblecaret.enabled_on_touch",
layout_accessiblecaret_enabled_on_touch,
bool, true
)
// By default, carets become tilt only when they are overlapping.
VARCACHE_PREF(
"layout.accessiblecaret.always_tilt",
layout_accessiblecaret_always_tilt,
bool, false
)
// Show caret in cursor mode when long tapping on an empty content. This
// also changes the default update behavior in cursor mode, which is based
// on the emptiness of the content, into something more heuristic. See
// AccessibleCaretManager::UpdateCaretsForCursorMode() for the details.
VARCACHE_PREF(
"layout.accessiblecaret.caret_shown_when_long_tapping_on_empty_content",
layout_accessiblecaret_caret_shown_when_long_tapping_on_empty_content,
bool, false
)
// 0 = by default, always hide carets for selection changes due to JS calls.
// 1 = update any visible carets for selection changes due to JS calls,
// but don't show carets if carets are hidden.
// 2 = always show carets for selection changes due to JS calls.
VARCACHE_PREF(
"layout.accessiblecaret.script_change_update_mode",
layout_accessiblecaret_script_change_update_mode,
int32_t, 0
)
// Allow one caret to be dragged across the other caret without any limitation.
// This matches the built-in convention for all desktop platforms.
VARCACHE_PREF(
"layout.accessiblecaret.allow_dragging_across_other_caret",
layout_accessiblecaret_allow_dragging_across_other_caret,
bool, true
)
// Optionally provide haptic feedback on long-press selection events.
VARCACHE_PREF(
"layout.accessiblecaret.hapticfeedback",
layout_accessiblecaret_hapticfeedback,
bool, false
)
// Smart phone-number selection on long-press is not enabled by default.
VARCACHE_PREF(
"layout.accessiblecaret.extend_selection_for_phone_number",
layout_accessiblecaret_extend_selection_for_phone_number,
bool, false
)
// Keep the accessible carets hidden when the user is using mouse input (as
// opposed to touch/pen/etc.).
VARCACHE_PREF(
"layout.accessiblecaret.hide_carets_for_mouse_input",
layout_accessiblecaret_hide_carets_for_mouse_input,
bool, true
)
// CSS attributes (width, height, margin-left) of the AccessibleCaret in CSS
// pixels.
VARCACHE_PREF(
"layout.accessiblecaret.width",
layout_accessiblecaret_width,
float, 34.0f
)
VARCACHE_PREF(
"layout.accessiblecaret.height",
layout_accessiblecaret_height,
float, 36.0f
)
VARCACHE_PREF(
"layout.accessiblecaret.margin-left",
layout_accessiblecaret_margin_left,
float, -18.5f
)
// Simulate long tap events to select words. Mainly used in manual testing
// with mouse.
VARCACHE_PREF(
"layout.accessiblecaret.use_long_tap_injector",
layout_accessiblecaret_use_long_tap_injector,
bool, false
)
// Is parallel CSS parsing enabled?
VARCACHE_PREF(
"layout.css.parsing.parallel",
layout_css_parsing_parallel,
bool, true
)
// Are style system use counters enabled?
#ifdef RELEASE_OR_BETA
#define PREF_VALUE false
#else
#define PREF_VALUE true
#endif
VARCACHE_PREF(
"layout.css.use-counters.enabled",
layout_css_use_counters_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Is CSS error reporting enabled?
VARCACHE_PREF(
"layout.css.report_errors",
layout_css_report_errors,
bool, true
)
// Is support for the font-display @font-face descriptor enabled?
VARCACHE_PREF(
"layout.css.font-display.enabled",
layout_css_font_display_enabled,
bool, true
)
// Are webkit-prefixed properties & property-values supported?
VARCACHE_PREF(
"layout.css.prefixes.webkit",
layout_css_prefixes_webkit,
bool, true
)
// Are "-webkit-{min|max}-device-pixel-ratio" media queries supported? (Note:
// this pref has no effect if the master 'layout.css.prefixes.webkit' pref is
// set to false.)
VARCACHE_PREF(
"layout.css.prefixes.device-pixel-ratio-webkit",
layout_css_prefixes_device_pixel_ratio_webkit,
bool, true
)
// Are -moz-prefixed gradient functions enabled?
VARCACHE_PREF(
"layout.css.prefixes.gradients",
layout_css_prefixes_gradients,
bool, true
)
// Whether the offset-* logical property aliases are enabled.
VARCACHE_PREF(
"layout.css.offset-logical-properties.enabled",
layout_css_offset_logical_properties_enabled,
bool, false
)
// Should stray control characters be rendered visibly?
#ifdef RELEASE_OR_BETA
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"layout.css.control-characters.visible",
layout_css_control_characters_visible,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Should the :visited selector ever match (otherwise :link matches instead)?
VARCACHE_PREF(
"layout.css.visited_links_enabled",
layout_css_visited_links_enabled,
bool, true
)
// Is the '-webkit-appearance' alias for '-moz-appearance' enabled?
VARCACHE_PREF(
"layout.css.webkit-appearance.enabled",
layout_css_webkit_appearance_enabled,
bool, true
)
// Pref to control whether @-moz-document rules are enabled in content pages.
VARCACHE_PREF(
"layout.css.moz-document.content.enabled",
layout_css_moz_document_content_enabled,
bool, false
)
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"layout.css.supports-selector.enabled",
layout_css_supports_selector_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Pref to control whether @-moz-document url-prefix() is parsed in content
// pages. Only effective when layout.css.moz-document.content.enabled is false.
#ifdef EARLY_BETA_OR_EARLIER
#define PREF_VALUE false
#else
#define PREF_VALUE true
#endif
VARCACHE_PREF(
"layout.css.moz-document.url-prefix-hack.enabled",
layout_css_moz_document_url_prefix_hack_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"layout.css.xul-display-values.content.enabled",
layout_css_xul_display_values_content_enabled,
bool, false
)
// Pref to control whether display: -moz-box and display: -moz-inline-box are
// parsed in content pages.
VARCACHE_PREF(
"layout.css.xul-box-display-values.content.enabled",
layout_css_xul_box_display_values_content_enabled,
bool, false
)
// Pref to control whether ::xul-tree-* pseudo-elements are parsed in content
// pages.
VARCACHE_PREF(
"layout.css.xul-tree-pseudos.content.enabled",
layout_css_xul_tree_pseudos_content_enabled,
bool, false
)
// Is support for CSS "grid-template-{columns,rows}: subgrid X" enabled?
VARCACHE_PREF(
"layout.css.grid-template-subgrid-value.enabled",
layout_css_grid_template_subgrid_value_enabled,
bool, false
)
// Is support for variation fonts enabled?
VARCACHE_PREF(
"layout.css.font-variations.enabled",
layout_css_font_variations_enabled,
RelaxedAtomicBool, true
)
// Are we emulating -moz-{inline}-box layout using CSS flexbox?
VARCACHE_PREF(
"layout.css.emulate-moz-box-with-flex",
layout_css_emulate_moz_box_with_flex,
bool, false
)
// Does arbitrary ::-webkit-* pseudo-element parsed?
VARCACHE_PREF(
"layout.css.unknown-webkit-pseudo-element",
layout_css_unknown_webkit_pseudo_element,
bool, true
)
// Is path() supported in clip-path?
VARCACHE_PREF(
"layout.css.clip-path-path.enabled",
layout_css_clip_path_path_enabled,
bool, false
)
// Is support for CSS column-span enabled?
VARCACHE_PREF(
"layout.css.column-span.enabled",
layout_css_column_span_enabled,
bool, false
)
// Is steps(jump-*) supported in easing functions?
VARCACHE_PREF(
"layout.css.step-position-jump.enabled",
layout_css_step_position_jump_enabled,
bool, true
)
// Are dynamic reflow roots enabled?
VARCACHE_PREF(
"layout.dynamic-reflow-roots.enabled",
layout_dynamic_reflow_roots_enabled,
bool, true
)
// Pref to control enabling scroll anchoring.
#ifndef ANDROID
#define PREF_VALUE true
#else
#define PREF_VALUE false
#endif
VARCACHE_PREF(
"layout.css.scroll-anchoring.enabled",
layout_css_scroll_anchoring_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"layout.css.scroll-anchoring.highlight",
layout_css_scroll_anchoring_highlight,
bool, false
)
//---------------------------------------------------------------------------
// JavaScript prefs
//---------------------------------------------------------------------------
// nsJSEnvironmentObserver observes the memory-pressure notifications and
// forces a garbage collection and cycle collection when it happens, if the
// appropriate pref is set.
#ifdef ANDROID
// Disable the JS engine's GC on memory pressure, since we do one in the
// mobile browser (bug 669346).
// XXX: this value possibly should be changed, or the pref removed entirely.
// See bug 1450787.
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"javascript.options.gc_on_memory_pressure",
javascript_options_gc_on_memory_pressure,
bool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"javascript.options.compact_on_user_inactive",
javascript_options_compact_on_user_inactive,
bool, true
)
// The default amount of time to wait from the user being idle to starting a
// shrinking GC.
#ifdef NIGHTLY_BUILD
# define PREF_VALUE 15000 // ms
#else
# define PREF_VALUE 300000 // ms
#endif
VARCACHE_PREF(
"javascript.options.compact_on_user_inactive_delay",
javascript_options_compact_on_user_inactive_delay,
uint32_t, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"javascript.options.mem.log",
javascript_options_mem_log,
bool, false
)
VARCACHE_PREF(
"javascript.options.mem.notify",
javascript_options_mem_notify,
bool, false
)
// Streams API
VARCACHE_PREF(
"javascript.options.streams",
javascript_options_streams,
RelaxedAtomicBool, false
)
#ifdef ENABLE_BIGINT
// BigInt API
VARCACHE_PREF(
"javascript.options.bigint",
javascript_options_bigint,
RelaxedAtomicBool, false
)
#endif
//---------------------------------------------------------------------------
// Media prefs
//---------------------------------------------------------------------------
// These prefs use camel case instead of snake case for the getter because one
// reviewer had an unshakeable preference for that.
// File-backed MediaCache size.
#ifdef ANDROID
# define PREF_VALUE 32768 // Measured in KiB
#else
# define PREF_VALUE 512000 // Measured in KiB
#endif
VARCACHE_PREF(
"media.cache_size",
MediaCacheSize,
RelaxedAtomicUint32, PREF_VALUE
)
#undef PREF_VALUE
// If a resource is known to be smaller than this size (in kilobytes), a
// memory-backed MediaCache may be used; otherwise the (single shared global)
// file-backed MediaCache is used.
VARCACHE_PREF(
"media.memory_cache_max_size",
MediaMemoryCacheMaxSize,
uint32_t, 8192 // Measured in KiB
)
// Don't create more memory-backed MediaCaches if their combined size would go
// above this absolute size limit.
VARCACHE_PREF(
"media.memory_caches_combined_limit_kb",
MediaMemoryCachesCombinedLimitKb,
uint32_t, 524288
)
// Don't create more memory-backed MediaCaches if their combined size would go
// above this relative size limit (a percentage of physical memory).
VARCACHE_PREF(
"media.memory_caches_combined_limit_pc_sysmem",
MediaMemoryCachesCombinedLimitPcSysmem,
uint32_t, 5 // A percentage
)
// When a network connection is suspended, don't resume it until the amount of
// buffered data falls below this threshold (in seconds).
#ifdef ANDROID
# define PREF_VALUE 10 // Use a smaller limit to save battery.
#else
# define PREF_VALUE 30
#endif
VARCACHE_PREF(
"media.cache_resume_threshold",
MediaCacheResumeThreshold,
RelaxedAtomicInt32, PREF_VALUE
)
#undef PREF_VALUE
// Stop reading ahead when our buffered data is this many seconds ahead of the
// current playback position. This limit can stop us from using arbitrary
// amounts of network bandwidth prefetching huge videos.
#ifdef ANDROID
# define PREF_VALUE 30 // Use a smaller limit to save battery.
#else
# define PREF_VALUE 60
#endif
VARCACHE_PREF(
"media.cache_readahead_limit",
MediaCacheReadaheadLimit,
RelaxedAtomicInt32, PREF_VALUE
)
#undef PREF_VALUE
// AudioSink
VARCACHE_PREF(
"media.resampling.enabled",
MediaResamplingEnabled,
RelaxedAtomicBool, false
)
#if defined(XP_WIN) || defined(XP_DARWIN) || defined(MOZ_PULSEAUDIO)
// libcubeb backend implement .get_preferred_channel_layout
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"media.forcestereo.enabled",
MediaForcestereoEnabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// VideoSink
VARCACHE_PREF(
"media.ruin-av-sync.enabled",
MediaRuinAvSyncEnabled,
RelaxedAtomicBool, false
)
// Encrypted Media Extensions
#if defined(ANDROID)
# if defined(NIGHTLY_BUILD)
# define PREF_VALUE true
# else
# define PREF_VALUE false
# endif
#elif defined(XP_LINUX)
// On Linux EME is visible but disabled by default. This is so that the "Play
// DRM content" checkbox in the Firefox UI is unchecked by default. DRM
// requires downloading and installing proprietary binaries, which users on
// an open source operating systems didn't opt into. The first time a site
// using EME is encountered, the user will be prompted to enable DRM,
// whereupon the EME plugin binaries will be downloaded if permission is
// granted.
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"media.eme.enabled",
MediaEmeEnabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"media.clearkey.persistent-license.enabled",
MediaClearkeyPersistentLicenseEnabled,
bool, false
)
#if defined(XP_LINUX) && defined(MOZ_GMP_SANDBOX)
// Whether to allow, on a Linux system that doesn't support the necessary
// sandboxing features, loading Gecko Media Plugins unsandboxed. However, EME
// CDMs will not be loaded without sandboxing even if this pref is changed.
VARCACHE_PREF(
"media.gmp.insecure.allow",
MediaGmpInsecureAllow,
bool, false
)
#endif
// Specifies whether the PDMFactory can create a test decoder that just outputs
// blank frames/audio instead of actually decoding. The blank decoder works on
// all platforms.
VARCACHE_PREF(
"media.use-blank-decoder",
MediaUseBlankDecoder,
RelaxedAtomicBool, false
)
#if defined(XP_WIN)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.gpu-process-decoder",
MediaGpuProcessDecoder,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
#if defined(XP_WIN) && !defined(_ARM64_)
# define PREF_VALUE true
#elif defined(XP_MACOSX)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.rdd-process.enabled",
MediaRddProcessEnabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"media.rdd-process.startup_timeout_ms",
MediaRddProcessStartupTimeoutMs,
RelaxedAtomicInt32, 5000
)
#ifdef ANDROID
// Enable the MediaCodec PlatformDecoderModule by default.
VARCACHE_PREF(
"media.android-media-codec.enabled",
MediaAndroidMediaCodecEnabled,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"media.android-media-codec.preferred",
MediaAndroidMediaCodecPreferred,
RelaxedAtomicBool, true
)
#endif // ANDROID
// WebRTC
#ifdef MOZ_WEBRTC
#ifdef ANDROID
VARCACHE_PREF(
"media.navigator.hardware.vp8_encode.acceleration_remote_enabled",
MediaNavigatorHardwareVp8encodeAccelerationRemoteEnabled,
bool, true
)
PREF("media.navigator.hardware.vp8_encode.acceleration_enabled", bool, true)
PREF("media.navigator.hardware.vp8_decode.acceleration_enabled", bool, false)
#endif // ANDROID
// Use MediaDataDecoder API for VP8/VP9 in WebRTC. This includes hardware
// acceleration for decoding.
// disable on android bug 1509316
#if defined(NIGHTLY_BUILD) && !defined(ANDROID)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.navigator.mediadatadecoder_vpx_enabled",
MediaNavigatorMediadatadecoderVPXEnabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// Use MediaDataDecoder API for H264 in WebRTC. This includes hardware
// acceleration for decoding.
# if defined(ANDROID)
# define PREF_VALUE false // Bug 1509316
# else
# define PREF_VALUE true
# endif
VARCACHE_PREF(
"media.navigator.mediadatadecoder_h264_enabled",
MediaNavigatorMediadatadecoderH264Enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
#endif // MOZ_WEBRTC
#ifdef MOZ_OMX
VARCACHE_PREF(
"media.omx.enabled",
MediaOmxEnabled,
bool, false
)
#endif
#ifdef MOZ_FFMPEG
# if defined(XP_MACOSX)
# define PREF_VALUE false
# else
# define PREF_VALUE true
# endif
VARCACHE_PREF(
"media.ffmpeg.enabled",
MediaFfmpegEnabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"media.libavcodec.allow-obsolete",
MediaLibavcodecAllowObsolete,
bool, false
)
#endif // MOZ_FFMPEG
#ifdef MOZ_FFVPX
VARCACHE_PREF(
"media.ffvpx.enabled",
MediaFfvpxEnabled,
RelaxedAtomicBool, true
)
#endif
#if defined(MOZ_FFMPEG) || defined(MOZ_FFVPX)
VARCACHE_PREF(
"media.ffmpeg.low-latency.enabled",
MediaFfmpegLowLatencyEnabled,
RelaxedAtomicBool, false
)
#endif
#ifdef MOZ_WMF
VARCACHE_PREF(
"media.wmf.enabled",
MediaWmfEnabled,
RelaxedAtomicBool, true
)
// Whether DD should consider WMF-disabled a WMF failure, useful for testing.
VARCACHE_PREF(
"media.decoder-doctor.wmf-disabled-is-failure",
MediaDecoderDoctorWmfDisabledIsFailure,
bool, false
)
VARCACHE_PREF(
"media.wmf.vp9.enabled",
MediaWmfVp9Enabled,
RelaxedAtomicBool, true
)
#endif // MOZ_WMF
// Whether to check the decoder supports recycling.
#ifdef ANDROID
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.decoder.recycle.enabled",
MediaDecoderRecycleEnabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// Should MFR try to skip to the next key frame?
VARCACHE_PREF(
"media.decoder.skip-to-next-key-frame.enabled",
MediaDecoderSkipToNextKeyFrameEnabled,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"media.gmp.decoder.enabled",
MediaGmpDecoderEnabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.eme.audio.blank",
MediaEmeAudioBlank,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.eme.video.blank",
MediaEmeVideoBlank,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.eme.chromium-api.video-shmems",
MediaEmeChromiumApiVideoShmems,
RelaxedAtomicUint32, 6
)
// Whether to suspend decoding of videos in background tabs.
VARCACHE_PREF(
"media.suspend-bkgnd-video.enabled",
MediaSuspendBkgndVideoEnabled,
RelaxedAtomicBool, true
)
// Delay, in ms, from time window goes to background to suspending
// video decoders. Defaults to 10 seconds.
VARCACHE_PREF(
"media.suspend-bkgnd-video.delay-ms",
MediaSuspendBkgndVideoDelayMs,
RelaxedAtomicUint32, 10000
)
VARCACHE_PREF(
"media.dormant-on-pause-timeout-ms",
MediaDormantOnPauseTimeoutMs,
RelaxedAtomicInt32, 5000
)
VARCACHE_PREF(
"media.webspeech.synth.force_global_queue",
MediaWebspeechSynthForceGlobalQueue,
bool, false
)
VARCACHE_PREF(
"media.webspeech.test.enable",
MediaWebspeechTestEnable,
bool, false
)
VARCACHE_PREF(
"media.webspeech.test.fake_fsm_events",
MediaWebspeechTextFakeFsmEvents,
bool, false
)
VARCACHE_PREF(
"media.webspeech.test.fake_recognition_service",
MediaWebspeechTextFakeRecognitionService,
bool, false
)
#ifdef MOZ_WEBSPEECH
VARCACHE_PREF(
"media.webspeech.recognition.enable",
MediaWebspeechRecognitionEnable,
bool, false
)
#endif
VARCACHE_PREF(
"media.webspeech.recognition.force_enable",
MediaWebspeechRecognitionForceEnable,
bool, false
)
#if defined(MOZ_WEBM_ENCODER)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.encoder.webm.enabled",
MediaEncoderWebMEnabled,
RelaxedAtomicBool, true
)
#undef PREF_VALUE
#if defined(RELEASE_OR_BETA)
# define PREF_VALUE 3
#else
// Zero tolerance in pre-release builds to detect any decoder regression.
# define PREF_VALUE 0
#endif
VARCACHE_PREF(
"media.audio-max-decode-error",
MediaAudioMaxDecodeError,
uint32_t, PREF_VALUE
)
#undef PREF_VALUE
#if defined(RELEASE_OR_BETA)
# define PREF_VALUE 2
#else
// Zero tolerance in pre-release builds to detect any decoder regression.
# define PREF_VALUE 0
#endif
VARCACHE_PREF(
"media.video-max-decode-error",
MediaVideoMaxDecodeError,
uint32_t, PREF_VALUE
)
#undef PREF_VALUE
// Opus
VARCACHE_PREF(
"media.opus.enabled",
MediaOpusEnabled,
RelaxedAtomicBool, true
)
// Wave
VARCACHE_PREF(
"media.wave.enabled",
MediaWaveEnabled,
RelaxedAtomicBool, true
)
// Ogg
VARCACHE_PREF(
"media.ogg.enabled",
MediaOggEnabled,
RelaxedAtomicBool, true
)
// WebM
VARCACHE_PREF(
"media.webm.enabled",
MediaWebMEnabled,
RelaxedAtomicBool, true
)
// AV1
#if defined(XP_WIN) && !defined(_ARM64_)
# define PREF_VALUE true
#elif defined(XP_MACOSX)
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.av1.enabled",
MediaAv1Enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"media.av1.use-dav1d",
MediaAv1UseDav1d,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.flac.enabled",
MediaFlacEnabled,
bool, true
)
// Hls
#ifdef ANDROID
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.hls.enabled",
MediaHlsEnabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
#ifdef MOZ_FMP4
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.mp4.enabled",
MediaMp4Enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
// Error/warning handling, Decoder Doctor.
//
// Set to true to force demux/decode warnings to be treated as errors.
VARCACHE_PREF(
"media.playback.warnings-as-errors",
MediaPlaybackWarningsAsErrors,
RelaxedAtomicBool, false
)
// Resume video decoding when the cursor is hovering on a background tab to
// reduce the resume latency and improve the user experience.
VARCACHE_PREF(
"media.resume-bkgnd-video-on-tabhover",
MediaResumeBkgndVideoOnTabhover,
bool, true
)
#ifdef ANDROID
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"media.videocontrols.lock-video-orientation",
MediaVideocontrolsLockVideoOrientation,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Media Seamless Looping
VARCACHE_PREF(
"media.seamless-looping",
MediaSeamlessLooping,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"media.autoplay.block-event.enabled",
MediaBlockEventEnabled,
bool, false
)
VARCACHE_PREF(
"media.media-capabilities.enabled",
MediaCapabilitiesEnabled,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"media.media-capabilities.screen.enabled",
MediaCapabilitiesScreenEnabled,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.benchmark.vp9.fps",
MediaBenchmarkVp9Fps,
RelaxedAtomicUint32, 0
)
VARCACHE_PREF(
"media.benchmark.vp9.threshold",
MediaBenchmarkVp9Threshold,
RelaxedAtomicUint32, 150
)
VARCACHE_PREF(
"media.benchmark.vp9.versioncheck",
MediaBenchmarkVp9Versioncheck,
RelaxedAtomicUint32, 0
)
VARCACHE_PREF(
"media.benchmark.frames",
MediaBenchmarkFrames,
RelaxedAtomicUint32, 300
)
VARCACHE_PREF(
"media.benchmark.timeout",
MediaBenchmarkTimeout,
RelaxedAtomicUint32, 1000
)
VARCACHE_PREF(
"media.test.video-suspend",
MediaTestVideoSuspend,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"media.autoplay.allow-muted",
MediaAutoplayAllowMuted,
RelaxedAtomicBool, true
)
VARCACHE_PREF(
"media.autoplay.blackList-override-default",
MediaAutoplayBlackListOverrideDefault,
RelaxedAtomicBool, true
)
//---------------------------------------------------------------------------
// Network prefs
//---------------------------------------------------------------------------
// Sub-resources HTTP-authentication:
// 0 - don't allow sub-resources to open HTTP authentication credentials
// dialogs
// 1 - allow sub-resources to open HTTP authentication credentials dialogs,
// but don't allow it for cross-origin sub-resources
// 2 - allow the cross-origin authentication as well.
VARCACHE_PREF(
"network.auth.subresource-http-auth-allow",
network_auth_subresource_http_auth_allow,
uint32_t, 2
)
// Sub-resources HTTP-authentication for cross-origin images:
// - true: It is allowed to present http auth. dialog for cross-origin images.
// - false: It is not allowed.
// If network.auth.subresource-http-auth-allow has values 0 or 1 this pref does
// not have any effect.
VARCACHE_PREF(
"network.auth.subresource-img-cross-origin-http-auth-allow",
network_auth_subresource_img_cross_origin_http_auth_allow,
bool, false
)
// Resources that are triggered by some non-web-content:
// - true: They are allow to present http auth. dialog
// - false: They are not allow to present http auth. dialog.
VARCACHE_PREF(
"network.auth.non-web-content-triggered-resources-http-auth-allow",
network_auth_non_web_content_triggered_resources_http_auth_allow,
bool, false
)
// 0-Accept, 1-dontAcceptForeign, 2-dontAcceptAny, 3-limitForeign,
// 4-rejectTracker
// Keep the old default of accepting all cookies
VARCACHE_PREF(
"network.cookie.cookieBehavior",
network_cookie_cookieBehavior,
RelaxedAtomicInt32, 0
)
// Enables the predictive service.
VARCACHE_PREF(
"network.predictor.enabled",
network_predictor_enabled,
bool, true
)
VARCACHE_PREF(
"network.predictor.enable-hover-on-ssl",
network_predictor_enable_hover_on_ssl,
bool, false
)
VARCACHE_PREF(
"network.predictor.enable-prefetch",
network_predictor_enable_prefetch,
bool, false
)
VARCACHE_PREF(
"network.predictor.page-degradation.day",
network_predictor_page_degradation_day,
int32_t, 0
)
VARCACHE_PREF(
"network.predictor.page-degradation.week",
network_predictor_page_degradation_week,
int32_t, 5
)
VARCACHE_PREF(
"network.predictor.page-degradation.month",
network_predictor_page_degradation_month,
int32_t, 10
)
VARCACHE_PREF(
"network.predictor.page-degradation.year",
network_predictor_page_degradation_year,
int32_t, 25
)
VARCACHE_PREF(
"network.predictor.page-degradation.max",
network_predictor_page_degradation_max,
int32_t, 50
)
VARCACHE_PREF(
"network.predictor.subresource-degradation.day",
network_predictor_subresource_degradation_day,
int32_t, 1
)
VARCACHE_PREF(
"network.predictor.subresource-degradation.week",
network_predictor_subresource_degradation_week,
int32_t, 10
)
VARCACHE_PREF(
"network.predictor.subresource-degradation.month",
network_predictor_subresource_degradation_month,
int32_t, 25
)
VARCACHE_PREF(
"network.predictor.subresource-degradation.year",
network_predictor_subresource_degradation_year,
int32_t, 50
)
VARCACHE_PREF(
"network.predictor.subresource-degradation.max",
network_predictor_subresource_degradation_max,
int32_t, 100
)
VARCACHE_PREF(
"network.predictor.prefetch-rolling-load-count",
network_predictor_prefetch_rolling_load_count,
int32_t, 10
)
VARCACHE_PREF(
"network.predictor.prefetch-min-confidence",
network_predictor_prefetch_min_confidence,
int32_t, 100
)
VARCACHE_PREF(
"network.predictor.preconnect-min-confidence",
network_predictor_preconnect_min_confidence,
int32_t, 90
)
VARCACHE_PREF(
"network.predictor.preresolve-min-confidence",
network_predictor_preresolve_min_confidence,
int32_t, 60
)
VARCACHE_PREF(
"network.predictor.prefetch-force-valid-for",
network_predictor_prefetch_force_valid_for,
int32_t, 10
)
VARCACHE_PREF(
"network.predictor.max-resources-per-entry",
network_predictor_max_resources_per_entry,
int32_t, 100
)
// This is selected in concert with max-resources-per-entry to keep memory
// usage low-ish. The default of the combo of the two is ~50k.
VARCACHE_PREF(
"network.predictor.max-uri-length",
network_predictor_max_uri_length,
uint32_t, 500
)
PREF("network.predictor.cleaned-up", bool, false)
// A testing flag.
VARCACHE_PREF(
"network.predictor.doing-tests",
network_predictor_doing_tests,
bool, false
)
//---------------------------------------------------------------------------
// ContentSessionStore prefs
//---------------------------------------------------------------------------
// Maximum number of bytes of DOMSessionStorage data we collect per origin.
VARCACHE_PREF(
"browser.sessionstore.dom_storage_limit",
browser_sessionstore_dom_storage_limit,
uint32_t, 2048
)
//---------------------------------------------------------------------------
// Preferences prefs
//---------------------------------------------------------------------------
PREF("preferences.allow.omt-write", bool, true)
//---------------------------------------------------------------------------
// Privacy prefs
//---------------------------------------------------------------------------
// Whether Content Blocking Third-Party Cookies UI has been enabled.
VARCACHE_PREF(
"browser.contentblocking.allowlist.storage.enabled",
browser_contentblocking_allowlist_storage_enabled,
bool, false
)
VARCACHE_PREF(
"browser.contentblocking.allowlist.annotations.enabled",
browser_contentblocking_allowlist_annotations_enabled,
bool, true
)
// How many recent block/unblock actions per origins we remember in the
// Content Blocking log for each top-level window.
VARCACHE_PREF(
"browser.contentblocking.originlog.length",
browser_contentblocking_originlog_length,
uint32_t, 32
)
// Annotate channels based on the tracking protection list in all modes
VARCACHE_PREF(
"privacy.trackingprotection.annotate_channels",
privacy_trackingprotection_annotate_channels,
bool, true
)
// Block 3rd party fingerprinting resources.
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"privacy.trackingprotection.fingerprinting.enabled",
privacy_trackingprotection_fingerprinting_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Block 3rd party cryptomining resources.
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"privacy.trackingprotection.cryptomining.enabled",
privacy_trackingprotection_cryptomining_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Lower the priority of network loads for resources on the tracking protection
// list. Note that this requires the
// privacy.trackingprotection.annotate_channels pref to be on in order to have
// any effect.
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"privacy.trackingprotection.lower_network_priority",
privacy_trackingprotection_lower_network_priority,
bool, PREF_VALUE
)
#undef PREF_VALUE
// Anti-tracking permission expiration
VARCACHE_PREF(
"privacy.restrict3rdpartystorage.expiration",
privacy_restrict3rdpartystorage_expiration,
uint32_t, 2592000 // 30 days (in seconds)
)
// Anti-tracking user-interaction expiration
VARCACHE_PREF(
"privacy.userInteraction.expiration",
privacy_userInteraction_expiration,
uint32_t, 2592000 // 30 days (in seconds)
)
// Anti-tracking user-interaction document interval
VARCACHE_PREF(
"privacy.userInteraction.document.interval",
privacy_userInteraction_document_interval,
uint32_t, 1800 // 30 minutes (in seconds)
)
// Anti-fingerprinting, disabled by default
VARCACHE_PREF(
"privacy.resistFingerprinting",
privacy_resistFingerprinting,
RelaxedAtomicBool, false
)
VARCACHE_PREF(
"privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts",
privacy_resistFingerprinting_autoDeclineNoUserInputCanvasPrompts,
RelaxedAtomicBool, false
)
// Password protection
VARCACHE_PREF(
"browser.safebrowsing.passwords.enabled",
browser_safebrowsing_passwords_enabled,
bool, false
)
//---------------------------------------------------------------------------
// ChannelClassifier prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"channelclassifier.allowlist_example",
channelclassifier_allowlist_example,
bool, false
)
//---------------------------------------------------------------------------
// Security prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"security.csp.enable",
security_csp_enable,
bool, true
)
VARCACHE_PREF(
"security.csp.experimentalEnabled",
security_csp_experimentalEnabled,
bool, false
)
VARCACHE_PREF(
"security.csp.enableStrictDynamic",
security_csp_enableStrictDynamic,
bool, true
)
VARCACHE_PREF(
"security.csp.reporting.script-sample.max-length",
security_csp_reporting_script_sample_max_length,
int32_t, 40
)
//---------------------------------------------------------------------------
// View source prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"view_source.editor.external",
view_source_editor_external,
bool, false
)
//---------------------------------------------------------------------------
// DevTools prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"devtools.enabled",
devtools_enabled,
RelaxedAtomicBool, false
)
#ifdef MOZILLA_OFFICIAL
# define PREF_VALUE false
#else
# define PREF_VALUE true
#endif
VARCACHE_PREF(
"devtools.console.stdout.chrome",
devtools_console_stdout_chrome,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"devtools.console.stdout.content",
devtools_console_stdout_content,
RelaxedAtomicBool, false
)
//---------------------------------------------------------------------------
// Feature-Policy prefs
//---------------------------------------------------------------------------
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
// This pref enables FeaturePolicy logic and the parsing of 'allow' attribute in
// HTMLIFrameElement objects.
VARCACHE_PREF(
"dom.security.featurePolicy.enabled",
dom_security_featurePolicy_enabled,
bool, PREF_VALUE
)
// This pref enables the featurePolicy header support.
VARCACHE_PREF(
"dom.security.featurePolicy.header.enabled",
dom_security_featurePolicy_header_enabled,
bool, PREF_VALUE
)
// Expose the 'policy' attribute in document and HTMLIFrameElement
VARCACHE_PREF(
"dom.security.featurePolicy.webidl.enabled",
dom_security_featurePolicy_webidl_enabled,
bool, PREF_VALUE
)
#undef PREF_VALUE
//---------------------------------------------------------------------------
// Plugins prefs
//---------------------------------------------------------------------------
VARCACHE_PREF(
"plugins.flashBlock.enabled",
plugins_flashBlock_enabled,
bool, false
)
VARCACHE_PREF(
"plugins.http_https_only",
plugins_http_https_only,
bool, true
)
//---------------------------------------------------------------------------
// Reporting API
//---------------------------------------------------------------------------
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.reporting.enabled",
dom_reporting_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.reporting.testing.enabled",
dom_reporting_testing_enabled,
RelaxedAtomicBool, false
)
#ifdef NIGHTLY_BUILD
# define PREF_VALUE true
#else
# define PREF_VALUE false
#endif
VARCACHE_PREF(
"dom.reporting.featurePolicy.enabled",
dom_reporting_featurePolicy_enabled,
RelaxedAtomicBool, PREF_VALUE
)
#undef PREF_VALUE
VARCACHE_PREF(
"dom.reporting.header.enabled",
dom_reporting_header_enabled,
RelaxedAtomicBool, false
)
// In seconds. The timeout to remove not-active report-to endpoints.
VARCACHE_PREF(
"dom.reporting.cleanup.timeout",
dom_reporting_cleanup_timeout,
uint32_t, 3600
)
// Any X seconds the reports are dispatched to endpoints.
VARCACHE_PREF(
"dom.reporting.delivering.timeout",
dom_reporting_delivering_timeout,
uint32_t, 5
)
// How many times the delivering of a report should be tried.
VARCACHE_PREF(
"dom.reporting.delivering.maxFailures",
dom_reporting_delivering_maxFailures,
uint32_t, 3
)
// How many reports should be stored in the report queue before being delivered.
VARCACHE_PREF(
"dom.reporting.delivering.maxReports",
dom_reporting_delivering_maxReports,
uint32_t, 100
)
//---------------------------------------------------------------------------
// End of prefs
//---------------------------------------------------------------------------
// clang-format on
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