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// 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.
#include "ui/base/ui_base_features.h"
#include "build/chromeos_buildflags.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
namespace features {
#if defined(OS_WIN)
// If enabled, calculate native window occlusion - Windows-only.
const base::Feature kCalculateNativeWinOcclusion{
"CalculateNativeWinOcclusion", base::FEATURE_ENABLED_BY_DEFAULT};
#endif // OW_WIN
// Whether or not to delegate color queries to the color provider.
const base::Feature kColorProviderRedirection = {
"ColorProviderRedirection", base::FEATURE_DISABLED_BY_DEFAULT};
#if defined(OS_CHROMEOS)
// Integrate input method specific settings to Chrome OS settings page.
// https://crbug.com/895886.
const base::Feature kSettingsShowsPerKeyboardSettings = {
"InputMethodIntegratedSettings", base::FEATURE_DISABLED_BY_DEFAULT};
// Experimental shortcut handling and mapping to address i18n issues.
// https://crbug.com/1067269
const base::Feature kNewShortcutMapping = {"NewShortcutMapping",
base::FEATURE_DISABLED_BY_DEFAULT};
bool IsNewShortcutMappingEnabled() {
return base::FeatureList::IsEnabled(kNewShortcutMapping);
}
#endif // defined(OS_CHROMEOS)
// Update of the virtual keyboard settings UI as described in
// https://crbug.com/876901.
const base::Feature kInputMethodSettingsUiUpdate = {
"InputMethodSettingsUiUpdate", base::FEATURE_DISABLED_BY_DEFAULT};
// Enables percent-based scrolling for mousewheel and keyboard initiated
// scrolls.
const base::Feature kPercentBasedScrolling = {
"PercentBasedScrolling", base::FEATURE_DISABLED_BY_DEFAULT};
// Allows requesting unadjusted movement when entering pointerlock.
const base::Feature kPointerLockOptions = {"PointerLockOptions",
base::FEATURE_ENABLED_BY_DEFAULT};
// Allows system caption style for WebVTT Captions.
const base::Feature kSystemCaptionStyle{"SystemCaptionStyle",
base::FEATURE_ENABLED_BY_DEFAULT};
// Allows system keyboard event capture via the keyboard lock API.
const base::Feature kSystemKeyboardLock{"SystemKeyboardLock",
base::FEATURE_ENABLED_BY_DEFAULT};
const base::Feature kNotificationIndicator = {
"EnableNotificationIndicator", base::FEATURE_DISABLED_BY_DEFAULT};
bool IsNotificationIndicatorEnabled() {
return base::FeatureList::IsEnabled(kNotificationIndicator);
}
// Enables GPU rasterization for all UI drawing (where not blocklisted).
const base::Feature kUiGpuRasterization = {"UiGpuRasterization",
#if defined(OS_APPLE) || defined(OS_CHROMEOS) || defined(OS_FUCHSIA)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
bool IsUiGpuRasterizationEnabled() {
return base::FeatureList::IsEnabled(kUiGpuRasterization);
}
// Enables scrolling with layers under ui using the ui::Compositor.
const base::Feature kUiCompositorScrollWithLayers = {
"UiCompositorScrollWithLayers",
// TODO(https://crbug.com/615948): Use composited scrolling on all platforms.
#if defined(OS_APPLE)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
// Enables compositor threaded scrollbar scrolling by mapping pointer events to
// gesture events.
const base::Feature kCompositorThreadedScrollbarScrolling = {
"CompositorThreadedScrollbarScrolling", base::FEATURE_ENABLED_BY_DEFAULT};
// Enables the use of a touch fling curve that is based on the behavior of
// native apps on Windows.
const base::Feature kExperimentalFlingAnimation {
"ExperimentalFlingAnimation",
#if defined(OS_WIN) || \
(defined(OS_LINUX) && !defined(OS_CHROMEOS) && !BUILDFLAG(IS_LACROS))
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
#if defined(OS_WIN)
const base::Feature kElasticOverscrollWin = {"ElasticOverscrollWin",
base::FEATURE_DISABLED_BY_DEFAULT};
// Enables InputPane API for controlling on screen keyboard.
const base::Feature kInputPaneOnScreenKeyboard = {
"InputPaneOnScreenKeyboard", base::FEATURE_ENABLED_BY_DEFAULT};
// Enables using WM_POINTER instead of WM_TOUCH for touch events.
const base::Feature kPointerEventsForTouch = {"PointerEventsForTouch",
base::FEATURE_ENABLED_BY_DEFAULT};
// Enables using TSF (over IMM32) for IME.
const base::Feature kTSFImeSupport = {"TSFImeSupport",
base::FEATURE_ENABLED_BY_DEFAULT};
bool IsUsingWMPointerForTouch() {
return base::win::GetVersion() >= base::win::Version::WIN8 &&
base::FeatureList::IsEnabled(kPointerEventsForTouch);
}
// Enables Logging for DirectManipulation.
const base::Feature kPrecisionTouchpadLogging{
"PrecisionTouchpadLogging", base::FEATURE_DISABLED_BY_DEFAULT};
#endif // defined(OS_WIN)
#if defined(OS_WIN) || defined(OS_APPLE) || defined(OS_LINUX) || \
defined(OS_CHROMEOS)
// Enables stylus appearing as touch when in contact with digitizer.
const base::Feature kDirectManipulationStylus = {
"DirectManipulationStylus",
#if defined(OS_WIN)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
#endif // defined(OS_WIN) || defined(OS_APPLE) || defined(OS_LINUX) ||
// defined(OS_CHROMEOS)
// Enables forced colors mode for web content.
const base::Feature kForcedColors{"ForcedColors",
base::FEATURE_DISABLED_BY_DEFAULT};
bool IsForcedColorsEnabled() {
static const bool forced_colors_enabled =
base::FeatureList::IsEnabled(features::kForcedColors);
return forced_colors_enabled;
}
// Enables the eye-dropper in the refresh color-picker for Windows and Mac.
// This feature will be released for other platforms in later milestones.
const base::Feature kEyeDropper {
"EyeDropper",
#if defined(OS_WIN) || defined(OS_MAC)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
bool IsEyeDropperEnabled() {
return IsFormControlsRefreshEnabled() &&
base::FeatureList::IsEnabled(features::kEyeDropper);
}
// Enable the CSSColorSchemeUARendering feature for Windows, ChromeOS, Linux,
// and Mac. This feature will be released for Android in later milestones. See
// crbug.com/1086530 for the Desktop launch bug.
const base::Feature kCSSColorSchemeUARendering = {
"CSSColorSchemeUARendering", base::FEATURE_DISABLED_BY_DEFAULT};
bool IsCSSColorSchemeUARenderingEnabled() {
static const bool css_color_scheme_ua_rendering_enabled =
base::FeatureList::IsEnabled(features::kCSSColorSchemeUARendering);
return css_color_scheme_ua_rendering_enabled;
}
// Enable the FormControlsRefresh feature for Windows, ChromeOS, Linux, and Mac.
// This feature will be released for Android in later milestones. See
// crbug.com/1012106 for the Windows launch bug, and crbug.com/1012108 for the
// Mac launch bug.
const base::Feature kFormControlsRefresh = {"FormControlsRefresh",
#if defined(OS_WIN) || defined(OS_CHROMEOS) || defined(OS_LINUX) || \
defined(OS_APPLE)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
};
bool IsFormControlsRefreshEnabled() {
static const bool form_controls_refresh_enabled =
base::FeatureList::IsEnabled(features::kFormControlsRefresh);
return form_controls_refresh_enabled;
}
// Enable the common select popup.
const base::Feature kUseCommonSelectPopup = {"UseCommonSelectPopup",
base::FEATURE_DISABLED_BY_DEFAULT};
bool IsUseCommonSelectPopupEnabled() {
return base::FeatureList::IsEnabled(features::kUseCommonSelectPopup);
}
#if defined(OS_CHROMEOS)
const base::Feature kHandwritingGesture = {"HandwritingGesture",
base::FEATURE_ENABLED_BY_DEFAULT};
#endif
const base::Feature kSynchronousPageFlipTesting{
"SynchronousPageFlipTesting", base::FEATURE_DISABLED_BY_DEFAULT};
bool IsSynchronousPageFlipTestingEnabled() {
return base::FeatureList::IsEnabled(kSynchronousPageFlipTesting);
}
#if defined(USE_X11) || defined(USE_OZONE)
const base::Feature kUseOzonePlatform {
"UseOzonePlatform",
#if defined(USE_X11)
base::FEATURE_DISABLED_BY_DEFAULT
};
#else
base::FEATURE_ENABLED_BY_DEFAULT
};
#endif
bool IsUsingOzonePlatform() {
// Only allow enabling and disabling the OzonePlatform on USE_X11 && USE_OZONE
// builds.
static const bool using_ozone_platform =
#if defined(USE_X11) && defined(USE_OZONE) && !BUILDFLAG(IS_LACROS)
base::FeatureList::IsEnabled(kUseOzonePlatform);
#elif defined(USE_X11) && !defined(USE_OZONE)
// This shouldn't be switchable for pure X11 builds.
false;
#else
// All the other platforms must use Ozone by default and can't disable
// that.
true;
#endif
return using_ozone_platform;
}
#endif // defined(USE_X11) || defined(USE_OZONE)
const char kPredictorNameLsq[] = "lsq";
const char kPredictorNameKalman[] = "kalman";
const char kPredictorNameLinearFirst[] = "linear_first";
const char kPredictorNameLinearSecond[] = "linear_second";
const char kPredictorNameLinearResampling[] = "linear_resampling";
const char kPredictorNameEmpty[] = "empty";
const char kFilterNameEmpty[] = "empty_filter";
const char kFilterNameOneEuro[] = "one_euro_filter";
const base::Feature kSwipeToMoveCursor{"SwipeToMoveCursor",
base::FEATURE_DISABLED_BY_DEFAULT};
} // namespace features