| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_BASE_UI_BASE_FEATURES_H_ |
| #define UI_BASE_UI_BASE_FEATURES_H_ |
| |
| #include "base/component_export.h" |
| #include "base/feature_list.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "ui/base/buildflags.h" |
| |
| namespace features { |
| |
| // Keep sorted! |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kExperimentalFlingAnimation); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kFocusFollowsCursor); |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSettingsShowsPerKeyboardSettings); |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kInputMethodSettingsUiUpdate); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kWindowsScrollingPersonality); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsPercentBasedScrollingEnabled(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSystemCaptionStyle); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSystemKeyboardLock); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kUiCompositorScrollWithLayers); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUiGpuRasterizationEnabled(); |
| |
| #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kElasticOverscroll); |
| #endif // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID) |
| |
| #if BUILDFLAG(IS_WIN) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kApplyNativeOccludedRegionToWindowTracker); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kApplyNativeOcclusionToCompositor); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorType[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorTypeRelease[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorTypeThrottle[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCalculateNativeWinOcclusion); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kInputPaneOnScreenKeyboard); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kPointerEventsForTouch); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kScreenPowerListenerForNativeWinOcclusion); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kTSFImeSupport); |
| |
| // Returns true if the system should use WM_POINTER events for touch events. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingWMPointerForTouch(); |
| #endif // BUILDFLAG(IS_WIN) |
| |
| #if BUILDFLAG(IS_CHROMEOS) |
| // This flag is intended to supercede kNewShortcutMapping. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kImprovedKeyboardShortcuts); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsImprovedKeyboardShortcutsEnabled(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kDeprecateAltBasedSixPack); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsDeprecateAltBasedSixPackEnabled(); |
| #endif // BUILDFLAG(IS_CHROMEOS) |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kTouchTextEditingRedesign); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsTouchTextEditingRedesignEnabled(); |
| |
| // Used to enable forced colors mode for web content. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kForcedColors); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsForcedColorsEnabled(); |
| |
| // Used to enable the eye-dropper in the refresh color-picker. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kEyeDropper); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsEyeDropperEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSystemCursorSizeSupported); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsSystemCursorSizeSupported(); |
| |
| // Used to enable the common select popup. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kUseCommonSelectPopup); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUseCommonSelectPopupEnabled(); |
| |
| // Used to enable keyboard accessible tooltips. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kKeyboardAccessibleTooltip); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsKeyboardAccessibleTooltipEnabled(); |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kHandwritingGesture); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kNewShortcutMapping); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsNewShortcutMappingEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kDeprecateAltClick); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsDeprecateAltClickEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kShortcutCustomizationApp); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsShortcutCustomizationAppEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kShortcutCustomization); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsShortcutCustomizationEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kLacrosResourcesFileSharing); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kAlwaysConfirmComposition); |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| |
| // Indicates whether DrmOverlayManager should used the synchronous API to |
| // perform pageflip tests. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSynchronousPageFlipTesting); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsSynchronousPageFlipTestingEnabled(); |
| |
| // The type of predictor to use for the resampling events. These values are |
| // used as the 'predictor' feature param for |
| // |blink::features::kResamplingScrollEvents|. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameLsq[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameKalman[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearFirst[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearSecond[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearResampling[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameEmpty[]; |
| |
| // Enables resampling of scroll events using an experimental latency of +3.3ms |
| // instead of the original -5ms. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kResamplingScrollEventsExperimentalPrediction); |
| |
| // The type of prediction used. TimeBased uses a fixed timing, FramesBased uses |
| // a ratio of the vsync refresh rate. The timing/ratio can be changed on the |
| // command line through a `latency` param. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictionTypeTimeBased[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeFramesBased[]; |
| // The default values for `latency` |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeDefaultTime[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeDefaultFramesRatio[]; |
| |
| // The type of filter to use for filtering events. These values are used as the |
| // 'filter' feature param for |blink::features::kFilteringScrollPrediction|. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kFilterNameEmpty[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kFilterNameOneEuro[]; |
| |
| // Android only feature, for swipe to move cursor. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSwipeToMoveCursor); |
| |
| // Enables UI debugging tools such as shortcuts. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kUIDebugTools); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsSwipeToMoveCursorEnabled(); |
| |
| // Enables Raw Draw. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kRawDraw); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingRawDraw(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) double RawDrawTileSizeFactor(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsRawDrawUsingMSAA(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kStylusSpecificTapSlop); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kEnableVariableRefreshRate); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsVariableRefreshRateEnabled(); |
| |
| // Fixes b/265853952. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kWaylandKeepSelectionFix); |
| // Fixes b/267944900. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kWaylandCancelComposition); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kLacrosColorManagement); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsLacrosColorManagementEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kChromeRefresh2023); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsChromeRefresh2023(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kChromeWebuiRefresh2023); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsChromeWebuiRefresh2023(); |
| |
| // If you are not Omnibox developer, you don't need to query CR2023 level. |
| // Otherwise, please ensure that Omnibox features are guarded by an OR; enabling |
| // either CR2023 Level2 or the feature-specific features should enable them |
| // respectively. |
| enum class ChromeRefresh2023Level { |
| // ChromeRefresh2023 is disabled. |
| kDisabled = 0, |
| // Enables ChromeRefresh2023 without Omnibox changes. |
| // Omnibox features can still be independently enabled by feature-specific |
| // Features. |
| kLevel1 = 1, |
| // Enables ChromeRefresh2023 with full Omnibox changes. |
| // Omnibox feature-specific features can be enabled on top of Level2 to gain |
| // additional control using their FeatureParams. |
| kLevel2 = 2, |
| }; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| ChromeRefresh2023Level GetChromeRefresh2023Level(); |
| |
| #if !BUILDFLAG(IS_LINUX) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kWebUiSystemFont); |
| #endif |
| |
| #if BUILDFLAG(IS_MAC) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kMacClipboardWriteImageWithPng); |
| #endif // BUILDFLAG(IS_MAC) |
| |
| #if BUILDFLAG(IS_APPLE) |
| // Font Smoothing, a CoreText technique, simulates optical sizes to enhance text |
| // readability at smaller scales. In practice, it leads to an increased |
| // perception of text weight, creating discrepancies between renderings in UX |
| // design tools and actual macOS displays. This feature is only effective when |
| // ChromeRefresh2023 is enabled. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCr2023MacFontSmoothing); |
| #endif |
| |
| } // namespace features |
| |
| #endif // UI_BASE_UI_BASE_FEATURES_H_ |
