// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module blink.mojom;
import "third_party/blink/public/mojom/css/preferred_color_scheme.mojom";
import "third_party/blink/public/mojom/css/preferred_contrast.mojom";
import "third_party/blink/public/mojom/v8_cache_options.mojom";
import "url/mojom/url.mojom";
import "mojo/public/mojom/base/string16.mojom";
enum PointerType {
kPointerNone = 1, // 1 << 0
kPointerFirstType = kPointerNone,
kPointerCoarseType = 2, // 1 << 1
kPointerFineType = 4 // 1 << 2
};
enum HoverType {
kHoverNone = 1, // 1 << 0
kHoverFirstType = kHoverNone,
kHoverHoverType = 2 // 1 << 1
};
// For media feature update, indicating the update ability of the output display,
// once renering is done:
// Slow - e-ink screens, underpowered devices.
// Fast - regular computer screen.
enum OutputDeviceUpdateAbilityType {
kSlowType,
kFastType
};
// There are multiple editing details that are different on Windows than
// Macintosh. We use a single switch for all of them. Some examples:
//
// 1) Clicking below the last line of an editable area puts the caret at the
// end of the last line on Mac, but in the middle of the last line on
// Windows.
// 2) Pushing the down arrow key on the last line puts the caret at the end
// of the last line on Mac, but does nothing on Windows. A similar case
// exists on the top line.
//
// This setting is intended to control these sorts of behaviors. There are some
// other behaviors with individual function calls on EditorClient (smart copy
// and paste and selecting the space after a double click) that could be
// combined with this if if possible in the future.
enum EditingBehavior {
kEditingMacBehavior,
kEditingWindowsBehavior,
kEditingUnixBehavior,
kEditingAndroidBehavior,
kEditingChromeOSBehavior
};
// ImageAnimationPolicy is used for controlling image animation
// when image frame is rendered for animation.
// See third_party/WebKit/Source/platform/graphics/ImageAnimationPolicy.h
// for information on the options.
enum ImageAnimationPolicy {
kImageAnimationPolicyAllowed,
kImageAnimationPolicyAnimateOnce,
kImageAnimationPolicyNoAnimation
};
enum ViewportStyle { kDefault, kMobile, kTelevision, kLast = kTelevision };
// Defines the autoplay policy to be used. Should match the class in
// WebSettings.h.
enum AutoplayPolicy {
kNoUserGestureRequired,
kUserGestureRequired,
kDocumentUserActivationRequired,
};
enum EffectiveConnectionType {
// Effective connection type reported when the network quality is unknown.
kEffectiveConnectionUnknownType,
// Effective connection type reported when the Internet is unreachable
// because the device does not have a connection (as reported by underlying
// platform APIs). Note that due to rare but potential bugs in the platform
// APIs, it is possible that effective connection type is reported as
// EFFECTIVE_CONNECTION_TYPE_OFFLINE. Callers must use caution when using
// acting on this.
kEffectiveConnectionOfflineType,
// Effective connection type reported when the network has the quality of a
// poor 2G connection.
kEffectiveConnectionSlow2GType,
// Effective connection type reported when the network has the quality of a
// faster 2G connection.
kEffectiveConnection2GType,
// Effective connection type reported when the network has the quality of a 3G
// connection.
kEffectiveConnection3GType,
// Effective connection type reported when the network has the quality of a 4G
// connection.
kEffectiveConnection4GType,
// Last value of the effective connection type. This value is unused.
kEffectiveConnectionTypeLast,
};
struct WebPreferences {
map<string, mojo_base.mojom.String16> standard_font_family_map;
map<string, mojo_base.mojom.String16> fixed_font_family_map;
map<string, mojo_base.mojom.String16> serif_font_family_map;
map<string, mojo_base.mojom.String16> sans_serif_font_family_map;
map<string, mojo_base.mojom.String16> cursive_font_family_map;
map<string, mojo_base.mojom.String16> fantasy_font_family_map;
map<string, mojo_base.mojom.String16> math_font_family_map;
int32 default_font_size;
int32 default_fixed_font_size;
int32 minimum_font_size;
int32 minimum_logical_font_size;
string default_encoding;
bool context_menu_on_mouse_up;
bool javascript_enabled;
bool web_security_enabled;
bool loads_images_automatically;
bool images_enabled;
bool plugins_enabled;
bool dom_paste_enabled;
bool shrinks_standalone_images_to_fit;
bool text_areas_are_resizable;
bool allow_scripts_to_close_windows;
bool remote_fonts_enabled;
bool javascript_can_access_clipboard;
// We don't use dns_prefetching_enabled to disable DNS prefetching. Instead,
// we disable the feature at a lower layer so that we catch non-WebKit uses
// of DNS prefetch as well.
bool dns_prefetching_enabled;
// Preference to save data. When enabled, requests will contain the header
// 'Save-Data: on'.
bool data_saver_enabled;
bool local_storage_enabled;
bool databases_enabled;
bool tabs_to_links;
bool disable_ipc_flooding_protection;
bool hyperlink_auditing_enabled;
bool allow_universal_access_from_file_urls;
bool allow_file_access_from_file_urls;
bool webgl1_enabled;
bool webgl2_enabled;
bool pepper_3d_enabled;
bool privileged_webgl_extensions_enabled;
bool webgl_errors_to_console_enabled;
bool hide_scrollbars;
bool prefers_default_scrollbar_styles;
bool accelerated_2d_canvas_enabled;
bool canvas_2d_layers_enabled;
bool antialiased_2d_canvas_disabled;
bool antialiased_clips_2d_canvas_enabled;
bool accelerated_filters_enabled;
bool deferred_filters_enabled;
bool container_culling_enabled;
bool allow_running_insecure_content;
// If true, taint32s all <canvas> elements, regardless of origin.
bool disable_reading_from_canvas;
// Strict mixed content checking disables both displaying and running insecure
// mixed content, and disables embedder notifications that such content was
// requested (thereby preventing user override).
bool strict_mixed_content_checking;
// Strict powerful feature restrictions block insecure usage of powerful
// features (like device orientation) that we haven't yet disabled for the web
// at large.
bool strict_powerful_feature_restrictions;
// TODO(jww): Remove when WebView no longer needs this exception.
bool allow_geolocation_on_insecure_origins;
// Disallow user opt-in for blockable mixed content.
bool strictly_block_blockable_mixed_content;
bool block_mixed_plugin_content;
bool password_echo_enabled;
bool should_clear_document_background;
bool enable_scroll_animator;
bool prefers_reduced_motion;
bool prefers_reduced_transparency;
bool inverted_colors;
bool touch_event_feature_detection_enabled;
int32 pointer_events_max_touch_points;
int32 available_pointer_types;
PointerType primary_pointer_type;
OutputDeviceUpdateAbilityType output_device_update_ability_type;
int32 available_hover_types;
HoverType primary_hover_type;
bool dont_send_key_events_to_javascript;
bool barrel_button_for_drag_enabled;
bool sync_xhr_in_documents_enabled;
bool target_blank_implies_no_opener_enabled_will_be_removed;
bool allow_non_empty_navigator_plugins;
int32 number_of_cpu_cores;
EditingBehavior editing_behavior;
bool supports_multiple_windows;
bool viewport_enabled;
bool viewport_meta_enabled;
bool auto_zoom_focused_editable_to_legible_scale;
// If true - Blink will clamp the minimum scale factor to the content width,
// preventing zoom beyond the visible content. This is really only needed if
// viewport_enabled is on.
bool shrinks_viewport_contents_to_fit;
ViewportStyle viewport_style;
bool smooth_scroll_for_find_enabled;
bool main_frame_resizes_are_orientation_changes;
bool initialize_at_minimum_page_scale;
bool smart_insert_delete_enabled;
bool spatial_navigation_enabled;
V8CacheOptions v8_cache_options;
bool record_whole_document;
// If true, stylus handwriting recognition to text input will be available in
// editable input fields which are non-password type.
bool stylus_handwriting_enabled;
// This flags corresponds to a Page's Settings' setCookieEnabled state. It
// only controls whether or not the "document.cookie" field is properly
// connected to the backing store, for instance if you wanted to be able to
// define custom getters and setters from within a unique security content
// without raising a DOM security exception.
bool cookie_enabled;
// This flag indicates whether H/W accelerated video decode is enabled.
// Defaults to false.
bool accelerated_video_decode_enabled;
ImageAnimationPolicy animation_policy;
bool user_gesture_required_for_presentation;
bool text_tracks_enabled;
// These fields specify the foreground and background color for WebVTT text
// tracks. Their values can be any legal CSS color descriptor.
string text_track_background_color;
string text_track_text_color;
// These fields specify values for CSS properties used to style WebVTT text
// tracks.
// Specifies CSS font-size property in percentage.
string text_track_text_size;
string text_track_text_shadow;
string text_track_font_family;
string text_track_font_style;
// Specifies the value for CSS font-variant property.
string text_track_font_variant;
// These fields specify values for CSS properties used to style the window
// around WebVTT text tracks.
// Window color can be any legal CSS color descriptor.
string text_track_window_color;
// Window radius is in pixels.
string text_track_window_radius;
// Specifies the margin for WebVTT text tracks as a percentage of media
// element height/width (for horizontal/vertical text respectively).
// Cues will not be placed in this margin area.
float text_track_margin_percentage;
bool immersive_mode_enabled;
bool double_tap_to_zoom_enabled;
bool fullscreen_supported;
bool text_autosizing_enabled;
// Representation of the Web App Manifest scope if any.
url.mojom.Url web_app_scope;
[EnableIf=is_android]
float font_scale_factor;
[EnableIf=is_android]
int32 font_weight_adjustment;
[EnableIf=is_android]
int32 text_size_contrast_factor;
[EnableIf=is_android]
float device_scale_adjustment;
[EnableIf=is_android]
bool force_enable_zoom;
[EnableIf=is_android]
url.mojom.Url default_video_poster_url;
[EnableIf=is_android]
bool support_deprecated_target_density_dpi;
[EnableIf=is_android]
bool wide_viewport_quirk;
[EnableIf=is_android]
bool use_wide_viewport;
[EnableIf=is_android]
bool force_zero_layout_height;
[EnableIf=is_android]
bool viewport_meta_merge_content_quirk;
[EnableIf=is_android]
bool viewport_meta_non_user_scalable_quirk;
[EnableIf=is_android]
bool viewport_meta_zero_values_quirk;
[EnableIf=is_android]
bool clobber_user_agent_initial_scale_quirk;
[EnableIf=is_android]
bool ignore_main_frame_overflow_hidden_quirk;
[EnableIf=is_android]
bool report_screen_size_in_physical_pixels_quirk;
// Used by Android_WebView only to support legacy apps that inject script int32o
// a top-level initial empty document and expect it to persist on navigation.
[EnableIf=is_android]
bool reuse_global_for_unowned_main_frame;
// Specifies default setting for spellcheck when the spellcheck attribute is
// not explicitly specified.
[EnableIf=is_android]
bool spellcheck_enabled_by_default;
// If enabled, when a video goes fullscreen, the orientation should be locked.
[EnableIf=is_android]
bool video_fullscreen_orientation_lock_enabled;
// If enabled, fullscreen should be entered/exited when the device is rotated
// to/from the orientation of the video.
[EnableIf=is_android]
bool video_rotate_to_fullscreen_enabled;
[EnableIf=is_android]
bool embedded_media_experience_enabled;
// Enable 8 (#RRGGBBAA) and 4 (#RGBA) value hex colors in CSS Android
// WebView quirk (http://crbug.com/618472).
[EnableIf=is_android]
bool css_hex_alpha_color_enabled;
// Enable support for document.scrollingElement
// WebView sets this to false to retain old documentElement behaviour
// (http://crbug.com/761016).
[EnableIf=is_android]
bool scroll_top_left_interop_enabled;
[EnableIf=is_android]
// Don't accelerate small canvases to avoid crashes TODO(crbug.com/1004304)
bool disable_accelerated_small_canvases;
[EnableIf=is_android]
// Long press on links selects text instead of triggering context menu.
bool long_press_link_select_text;
// Disable the Web Authentication (WebAuthn) API.
// TODO(crbug.com/1284805): Remove once WebView supports WebAuthn.
[EnableIf=is_android]
bool disable_webauthn;
// TODO(crbug.com/1382970): Remove once all Content embedders on Fuchsia
// support WebAuthn.
[EnableIf=is_fuchsia]
bool disable_webauthn;
// Enable forcibly modifying content rendering to result in a light on dark
// color scheme.
bool force_dark_mode_enabled;
// Default (used if the page or UA doesn't override these) values for page
// scale limits. These are set directly on the WebView so there's no analogue
// in WebSettings.
float default_minimum_page_scale_factor;
float default_maximum_page_scale_factor;
// Whether download UI should be hidden on this page.
bool hide_download_ui;
// Whether it is a presentation receiver.
bool presentation_receiver;
// If disabled, media controls should never be used.
bool media_controls_enabled;
// Whether we want to disable updating selection on mutating selection range.
// This is to work around Samsung's email app issue. See
// https://crbug.com/699943 for details.
// TODO(changwan): remove this once we no longer support Android N.
bool do_not_update_selection_on_mutating_selection_range;
// Defines the current autoplay policy.
AutoplayPolicy autoplay_policy;
// `getDisplayMedia()`'s transient activation requirement can be bypassed via
// `ScreenCaptureWithoutGestureAllowedForOrigins` policy.
bool require_transient_activation_for_get_display_media;
// `show{OpenFile|SaveFile|Directory}Picker()`'s user activation requirement
// can be bypassed via `FileOrDirectoryPickerWithoutGestureAllowedForOrigins`
// policy.
bool require_transient_activation_for_show_file_or_directory_picker;
// `navigator.subApps.{add|remove|list}()`'s user gesture and authorization
// can be bypassed via
// `SubAppsAPIsAllowedWithoutGestureAndAuthorizationForOrigins` policy.
bool require_transient_activation_and_user_confirmation_for_subapps_api;
// The forced colors state for the web content. The forced colors state
// is used to evaluate the forced-colors media query, as well as determining
// when to apply system color overrides to author specified styles.
bool in_forced_colors;
// Indicates if Forced Colors mode should be disabled for this page.
// This allows users opt out of forced colors on specific sites.
// Forced colors are disabled for sites in the `kPageColorsBlockList` pref.
bool is_forced_colors_disabled;
// The preferred color scheme set by the user's browser settings. The variable
// follows the browser's color mode setting unless a browser theme (custom or
// not) is defined, in which case the color scheme is set to the default
// value. This value is used to evaluate the used color scheme in non overlay
// root scrollbars.
PreferredColorScheme preferred_root_scrollbar_color_scheme;
// The preferred color scheme for the web content. The scheme is used to
// evaluate the prefers-color-scheme media query and resolve UA color scheme
// to be used based on the supported-color-schemes META tag and CSS property.
PreferredColorScheme preferred_color_scheme;
// The preferred contrast for the web content. Used to evaluate the
// prefers-contrast media query.
PreferredContrast preferred_contrast;
// Network quality threshold below which resources from iframes are assigned
// either kVeryLow or kVeryLow Blink priority.
EffectiveConnectionType low_priority_iframes_threshold;
// Whether Picture-in-Picture is enabled.
bool picture_in_picture_enabled;
// Whether a translate service is available.
// blink's hrefTranslate attribute existence relies on the result.
// See https://github.com/dtapuska/html-translate
bool translate_service_available;
// A value other than
// mojom::blink::EffectiveConnectionType::kEffectiveConnectionUnknownType
// implies that the network quality estimate related Web APIs are in the
// holdback mode. When the holdback is enabled, the related Web APIs return
// network quality estimate corresponding to
// |network_quality_estimator_web_holdback| regardless of the actual quality.
EffectiveConnectionType network_quality_estimator_web_holdback;
// Whether lazy loading of frames and images is enabled.
bool lazy_load_enabled;
// Setting to false disables upgrades to HTTPS for HTTP resources in HTTPS
// sites.
bool allow_mixed_content_upgrades;
// Whether the focused element should always be indicated (for example, by
// forcing :focus-visible to match regardless of focus method).
bool always_show_focus;
// Whether touch input can trigger HTML drag-and-drop operations. The
// default value depends on the platform.
bool touch_drag_drop_enabled;
// Controls whether WebXR's immersive-ar is allowed.
bool webxr_immersive_ar_allowed;
// Whether lookup of frames in the associated WebView (e.g. lookup via
// window.open or via <a target=...>) should be renderer-wide (i.e. going
// beyond the usual opener-relationship-based BrowsingInstance boundaries).
bool renderer_wide_named_frame_lookup;
bool strict_mime_type_check_for_worker_scripts_enabled = true;
// Whether modal context menu is used. A modal context menu meaning it is
// blocking user's access to the background web content.
bool modal_context_menu = true;
};
Codebase Browser
chromium