| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // 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 "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "ui/base/buildflags.h" |
| |
| namespace features { |
| |
| // Keep sorted! |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kCompositorThreadedScrollbarScrolling; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kExperimentalFlingAnimation; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kFocusFollowsCursor; |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kSettingsShowsPerKeyboardSettings; |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kInputMethodSettingsUiUpdate; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kPercentBasedScrolling; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kPointerLockOptions; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kSystemCaptionStyle; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kSystemKeyboardLock; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kUiCompositorScrollWithLayers; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUiGpuRasterizationEnabled(); |
| |
| #if defined(OS_WIN) || defined(OS_ANDROID) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kElasticOverscroll; |
| #endif // defined(OS_WIN) || defined(OS_ANDROID) |
| |
| #if defined(OS_ANDROID) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kElasticOverscrollType[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kElasticOverscrollTypeFilter[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kElasticOverscrollTypeTransform[]; |
| #endif // defined(OS_ANDROID) |
| |
| #if defined(OS_WIN) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kApplyNativeOccludedRegionToWindowTracker; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::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) |
| extern const base::Feature kCalculateNativeWinOcclusion; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kInputPaneOnScreenKeyboard; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kPointerEventsForTouch; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kScreenPowerListenerForNativeWinOcclusion; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const base::Feature kTSFImeSupport; |
| |
| // Returns true if the system should use WM_POINTER events for touch events. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingWMPointerForTouch(); |
| #endif // defined(OS_WIN) |
| |
| #if defined(OS_CHROMEOS) |
| // This flag is intended to supercede kNewShortcutMapping. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kImprovedKeyboardShortcuts; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsImprovedKeyboardShortcutsEnabled(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kDeprecateAltBasedSixPack; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsDeprecateAltBasedSixPackEnabled(); |
| #endif // defined(OS_CHROMEOS) |
| |
| // Used to enable forced colors mode for web content. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const base::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) extern const base::Feature kEyeDropper; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsEyeDropperEnabled(); |
| |
| // Used to enable the common select popup. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kUseCommonSelectPopup; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUseCommonSelectPopupEnabled(); |
| |
| // Used to enable keyboard accessible tooltips. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kKeyboardAccessibleTooltip; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsKeyboardAccessibleTooltipEnabled(); |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kHandwritingGesture; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kNewShortcutMapping; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsNewShortcutMappingEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kDeprecateAltClick; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsDeprecateAltClickEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::Feature kShortcutCustomizationApp; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsShortcutCustomizationAppEnabled(); |
| |
| #endif |
| |
| // Indicates whether DrmOverlayManager should used the synchronous API to |
| // perform pageflip tests. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::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) |
| extern const base::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) |
| extern const base::Feature kSwipeToMoveCursor; |
| |
| // Enables UI debugging tools such as shortcuts. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const base::Feature kUIDebugTools; |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsSwipeToMoveCursorEnabled(); |
| |
| // Enables Raw Draw. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const base::Feature kRawDraw; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingRawDraw(); |
| |
| } // namespace features |
| |
| #endif // UI_BASE_UI_BASE_FEATURES_H_ |