blob: 773f4d1b30dd73966ee741e0e040481b5c8160d0 [file] [log] [blame]
// Copyright 2013 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 "content/child/runtime_features.h"
#include <vector>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/field_trial_params.h"
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "content/common/content_switches_internal.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "media/base/media_switches.h"
#include "services/device/public/cpp/device_features.h"
#include "services/network/public/cpp/features.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/platform/web_runtime_features.h"
#include "ui/gfx/switches.h"
#include "ui/gl/gl_switches.h"
#include "ui/native_theme/native_theme_features.h"
using blink::WebRuntimeFeatures;
namespace content {
static void SetRuntimeFeatureDefaultsForPlatform() {
#if defined(OS_ANDROID)
// Android does not have support for PagePopup
WebRuntimeFeatures::EnablePagePopup(false);
// No plan to support complex UI for date/time INPUT types.
WebRuntimeFeatures::EnableInputMultipleFieldsUI(false);
// Android does not yet support SharedWorker. crbug.com/154571
WebRuntimeFeatures::EnableSharedWorker(false);
// Android does not yet support NavigatorContentUtils.
WebRuntimeFeatures::EnableNavigatorContentUtils(false);
WebRuntimeFeatures::EnableOrientationEvent(true);
WebRuntimeFeatures::EnableFastMobileScrolling(true);
WebRuntimeFeatures::EnableMediaCapture(true);
// Android won't be able to reliably support non-persistent notifications, the
// intended behavior for which is in flux by itself.
WebRuntimeFeatures::EnableNotificationConstructor(false);
// Android does not yet support switching of audio output devices
WebRuntimeFeatures::EnableAudioOutputDevices(false);
WebRuntimeFeatures::EnableAutoplayMutedVideos(true);
// Android does not yet support SystemMonitor.
WebRuntimeFeatures::EnableOnDeviceChange(false);
WebRuntimeFeatures::EnableMediaSession(true);
WebRuntimeFeatures::EnableMediaControlsOverlayPlayButton(true);
WebRuntimeFeatures::EnableRemotePlaybackBackend(true);
WebRuntimeFeatures::EnablePictureInPictureAPI(false);
#else // defined(OS_ANDROID)
WebRuntimeFeatures::EnableNavigatorContentUtils(true);
// Tracking bug for the implementation: https://crbug.com/728609
WebRuntimeFeatures::EnableRemotePlaybackBackend(false);
#endif // defined(OS_ANDROID)
#if defined(OS_ANDROID) || defined(USE_AURA)
WebRuntimeFeatures::EnableCompositedSelectionUpdate(true);
#endif
#if !(defined OS_ANDROID || defined OS_CHROMEOS)
// Only Android, ChromeOS support NetInfo downlinkMax, type and ontypechange
// now.
WebRuntimeFeatures::EnableNetInfoDownlinkMax(false);
#endif
// Web Bluetooth is shipped on Android, ChromeOS & MacOS, experimental
// otherwise.
#if defined(OS_CHROMEOS) || defined(OS_ANDROID) || defined(OS_MACOSX)
WebRuntimeFeatures::EnableWebBluetooth(true);
#endif
#if defined(OS_CHROMEOS)
WebRuntimeFeatures::EnableForceTallerSelectPopup(true);
#endif
// The Notification Center on Mac OS X does not support content images.
#if !defined(OS_MACOSX)
WebRuntimeFeatures::EnableNotificationContentImage(true);
#endif
}
void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
const base::CommandLine& command_line) {
bool enableExperimentalWebPlatformFeatures = command_line.HasSwitch(
switches::kEnableExperimentalWebPlatformFeatures);
if (enableExperimentalWebPlatformFeatures)
WebRuntimeFeatures::EnableExperimentalFeatures(true);
SetRuntimeFeatureDefaultsForPlatform();
// Begin individual features.
// Do not add individual features above this line.
WebRuntimeFeatures::EnableOriginTrials(
base::FeatureList::IsEnabled(features::kOriginTrials));
if (!base::FeatureList::IsEnabled(features::kWebUsb))
WebRuntimeFeatures::EnableWebUsb(false);
if (base::FeatureList::IsEnabled(features::kBlinkHeapIncrementalMarking))
WebRuntimeFeatures::EnableBlinkHeapIncrementalMarking(true);
if (command_line.HasSwitch(switches::kDisableDatabases))
WebRuntimeFeatures::EnableDatabase(false);
if (command_line.HasSwitch(switches::kDisableNotifications)) {
WebRuntimeFeatures::EnableNotifications(false);
// Chrome's Push Messaging implementation relies on Web Notifications.
WebRuntimeFeatures::EnablePushMessaging(false);
}
if (!base::FeatureList::IsEnabled(features::kNotificationContentImage))
WebRuntimeFeatures::EnableNotificationContentImage(false);
WebRuntimeFeatures::EnableWebAssemblyStreaming(
base::FeatureList::IsEnabled(features::kWebAssemblyStreaming));
WebRuntimeFeatures::EnableSharedArrayBuffer(
base::FeatureList::IsEnabled(features::kSharedArrayBuffer) ||
base::FeatureList::IsEnabled(features::kWebAssemblyThreads));
if (command_line.HasSwitch(switches::kDisableSharedWorkers))
WebRuntimeFeatures::EnableSharedWorker(false);
if (command_line.HasSwitch(switches::kDisableSpeechAPI))
WebRuntimeFeatures::EnableScriptedSpeech(false);
if (command_line.HasSwitch(switches::kDisableFileSystem))
WebRuntimeFeatures::EnableFileSystem(false);
if (!command_line.HasSwitch(switches::kDisableAcceleratedJpegDecoding))
WebRuntimeFeatures::EnableDecodeToYUV(true);
if (command_line.HasSwitch(switches::kEnableWebGL2ComputeContext)) {
WebRuntimeFeatures::EnableWebGL2ComputeContext(true);
}
if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
WebRuntimeFeatures::EnableWebGLDraftExtensions(true);
if (command_line.HasSwitch(switches::kEnableAutomation) ||
command_line.HasSwitch(switches::kHeadless)) {
WebRuntimeFeatures::EnableAutomationControlled(true);
}
#if defined(OS_MACOSX)
const bool enable_canvas_2d_image_chromium =
command_line.HasSwitch(
switches::kEnableGpuMemoryBufferCompositorResources) &&
!command_line.HasSwitch(switches::kDisable2dCanvasImageChromium) &&
!command_line.HasSwitch(switches::kDisableGpu) &&
base::FeatureList::IsEnabled(features::kCanvas2DImageChromium);
#elif defined(OS_CHROMEOS)
const bool enable_canvas_2d_image_chromium =
!command_line.HasSwitch(switches::kDisable2dCanvasImageChromium) &&
!command_line.HasSwitch(switches::kDisableGpu) &&
base::FeatureList::IsEnabled(features::kCanvas2DImageChromium);
#else
constexpr bool enable_canvas_2d_image_chromium = false;
#endif
WebRuntimeFeatures::EnableCanvas2dImageChromium(
enable_canvas_2d_image_chromium);
#if defined(OS_MACOSX)
bool enable_web_gl_image_chromium = command_line.HasSwitch(
switches::kEnableGpuMemoryBufferCompositorResources) &&
!command_line.HasSwitch(switches::kDisableWebGLImageChromium) &&
!command_line.HasSwitch(switches::kDisableGpu);
if (enable_web_gl_image_chromium) {
enable_web_gl_image_chromium =
base::FeatureList::IsEnabled(features::kWebGLImageChromium);
}
#else
bool enable_web_gl_image_chromium =
command_line.HasSwitch(switches::kEnableWebGLImageChromium);
#endif
WebRuntimeFeatures::EnableWebGLImageChromium(enable_web_gl_image_chromium);
if (command_line.HasSwitch(switches::kForceOverlayFullscreenVideo))
WebRuntimeFeatures::ForceOverlayFullscreenVideo(true);
if (ui::IsOverlayScrollbarEnabled())
WebRuntimeFeatures::EnableOverlayScrollbars(true);
if (command_line.HasSwitch(switches::kEnablePreciseMemoryInfo))
WebRuntimeFeatures::EnablePreciseMemoryInfo(true);
if (command_line.HasSwitch(switches::kEnablePrintBrowser))
WebRuntimeFeatures::EnablePrintBrowser(true);
if (command_line.HasSwitch(switches::kEnableNetworkInformationDownlinkMax) ||
enableExperimentalWebPlatformFeatures) {
WebRuntimeFeatures::EnableNetInfoDownlinkMax(true);
}
if (command_line.HasSwitch(switches::kReducedReferrerGranularity))
WebRuntimeFeatures::EnableReducedReferrerGranularity(true);
if (command_line.HasSwitch(switches::kDisablePermissionsAPI))
WebRuntimeFeatures::EnablePermissionsAPI(false);
if (command_line.HasSwitch(switches::kDisableV8IdleTasks))
WebRuntimeFeatures::EnableV8IdleTasks(false);
else
WebRuntimeFeatures::EnableV8IdleTasks(true);
if (command_line.HasSwitch(switches::kEnableUnsafeWebGPU))
WebRuntimeFeatures::EnableWebGPU(true);
if (command_line.HasSwitch(switches::kEnableWebVR))
WebRuntimeFeatures::EnableWebVR(true);
if (base::FeatureList::IsEnabled(features::kWebXr))
WebRuntimeFeatures::EnableWebXR(true);
if (base::FeatureList::IsEnabled(features::kWebXrGamepadSupport))
WebRuntimeFeatures::EnableWebXRGamepadSupport(true);
if (base::FeatureList::IsEnabled(features::kWebXrHitTest))
WebRuntimeFeatures::EnableWebXRHitTest(true);
if (command_line.HasSwitch(switches::kDisablePresentationAPI))
WebRuntimeFeatures::EnablePresentationAPI(false);
if (command_line.HasSwitch(switches::kDisableRemotePlaybackAPI))
WebRuntimeFeatures::EnableRemotePlaybackAPI(false);
WebRuntimeFeatures::EnableSecMetadata(
base::FeatureList::IsEnabled(features::kSecMetadata) ||
enableExperimentalWebPlatformFeatures);
WebRuntimeFeatures::EnableUserActivationV2(
base::FeatureList::IsEnabled(features::kUserActivationV2));
if (base::FeatureList::IsEnabled(features::kScrollAnchorSerialization))
WebRuntimeFeatures::EnableScrollAnchorSerialization(true);
WebRuntimeFeatures::EnableFeatureFromString(
"BlinkGenPropertyTrees",
command_line.HasSwitch(switches::kEnableBlinkGenPropertyTrees));
if (command_line.HasSwitch(switches::kEnableSlimmingPaintV2))
WebRuntimeFeatures::EnableSlimmingPaintV2(true);
if (base::FeatureList::IsEnabled(features::kLazyParseCSS))
WebRuntimeFeatures::EnableLazyParseCSS(true);
WebRuntimeFeatures::EnablePassiveDocumentEventListeners(
base::FeatureList::IsEnabled(features::kPassiveDocumentEventListeners));
WebRuntimeFeatures::EnableFeatureFromString(
"FontCacheScaling",
base::FeatureList::IsEnabled(features::kFontCacheScaling));
WebRuntimeFeatures::EnableFeatureFromString(
"FramebustingNeedsSameOriginOrUserGesture",
base::FeatureList::IsEnabled(
features::kFramebustingNeedsSameOriginOrUserGesture));
if (command_line.HasSwitch(switches::kDisableBackgroundTimerThrottling))
WebRuntimeFeatures::EnableTimerThrottlingForBackgroundTabs(false);
WebRuntimeFeatures::EnableExpensiveBackgroundTimerThrottling(
base::FeatureList::IsEnabled(
features::kExpensiveBackgroundTimerThrottling));
if (base::FeatureList::IsEnabled(features::kHeapCompaction))
WebRuntimeFeatures::EnableHeapCompaction(true);
WebRuntimeFeatures::EnableRenderingPipelineThrottling(
base::FeatureList::IsEnabled(features::kRenderingPipelineThrottling));
WebRuntimeFeatures::EnableTimerThrottlingForHiddenFrames(
base::FeatureList::IsEnabled(features::kTimerThrottlingForHiddenFrames));
if (base::FeatureList::IsEnabled(
features::kSendBeaconThrowForBlobWithNonSimpleType))
WebRuntimeFeatures::EnableSendBeaconThrowForBlobWithNonSimpleType(true);
#if defined(OS_ANDROID)
if (command_line.HasSwitch(switches::kDisableMediaSessionAPI))
WebRuntimeFeatures::EnableMediaSession(false);
#endif
WebRuntimeFeatures::EnablePaymentRequest(
base::FeatureList::IsEnabled(features::kWebPayments));
if (base::FeatureList::IsEnabled(features::kServiceWorkerPaymentApps))
WebRuntimeFeatures::EnablePaymentApp(true);
WebRuntimeFeatures::EnableServiceWorkerScriptFullCodeCache(
base::FeatureList::IsEnabled(
features::kServiceWorkerScriptFullCodeCache));
WebRuntimeFeatures::EnableNetworkService(
base::FeatureList::IsEnabled(network::features::kNetworkService));
if (base::FeatureList::IsEnabled(features::kGamepadExtensions))
WebRuntimeFeatures::EnableGamepadExtensions(true);
if (base::FeatureList::IsEnabled(features::kGamepadVibration))
WebRuntimeFeatures::EnableGamepadVibration(true);
if (base::FeatureList::IsEnabled(features::kCompositeOpaqueFixedPosition))
WebRuntimeFeatures::EnableFeatureFromString("CompositeOpaqueFixedPosition",
true);
if (!base::FeatureList::IsEnabled(features::kCompositeOpaqueScrollers))
WebRuntimeFeatures::EnableFeatureFromString("CompositeOpaqueScrollers",
false);
if (base::FeatureList::IsEnabled(features::kCompositorTouchAction))
WebRuntimeFeatures::EnableCompositorTouchAction(true);
if (base::FeatureList::IsEnabled(features::kCSSFragmentIdentifiers))
WebRuntimeFeatures::EnableCSSFragmentIdentifiers(true);
if (!base::FeatureList::IsEnabled(features::kGenericSensor))
WebRuntimeFeatures::EnableGenericSensor(false);
if (base::FeatureList::IsEnabled(features::kGenericSensorExtraClasses))
WebRuntimeFeatures::EnableGenericSensorExtraClasses(true);
if (base::FeatureList::IsEnabled(network::features::kOutOfBlinkCORS))
WebRuntimeFeatures::EnableOutOfBlinkCORS(true);
if (base::FeatureList::IsEnabled(features::kOriginPolicy))
WebRuntimeFeatures::EnableOriginPolicy(true);
WebRuntimeFeatures::EnableMediaCastOverlayButton(
base::FeatureList::IsEnabled(media::kMediaCastOverlayButton));
if (!base::FeatureList::IsEnabled(features::kBlockCredentialedSubresources)) {
WebRuntimeFeatures::EnableFeatureFromString("BlockCredentialedSubresources",
false);
}
if (base::FeatureList::IsEnabled(features::kRasterInducingScroll))
WebRuntimeFeatures::EnableRasterInducingScroll(true);
WebRuntimeFeatures::EnableFeatureFromString(
"AllowContentInitiatedDataUrlNavigations",
base::FeatureList::IsEnabled(
features::kAllowContentInitiatedDataUrlNavigations));
#if defined(OS_ANDROID)
if (base::FeatureList::IsEnabled(features::kWebNfc))
WebRuntimeFeatures::EnableWebNfc(true);
#endif
if (media::GetEffectiveAutoplayPolicy(command_line) !=
switches::autoplay::kNoUserGestureRequiredPolicy) {
WebRuntimeFeatures::EnableAutoplayMutedVideos(true);
}
WebRuntimeFeatures::EnableWebAuth(
base::FeatureList::IsEnabled(features::kWebAuth));
WebRuntimeFeatures::EnableClientPlaceholdersForServerLoFi(
base::GetFieldTrialParamValue("PreviewsClientLoFi",
"replace_server_placeholders") != "false");
WebRuntimeFeatures::EnableResourceLoadScheduler(
base::FeatureList::IsEnabled(features::kResourceLoadScheduler));
if (base::FeatureList::IsEnabled(features::kLayeredAPI))
WebRuntimeFeatures::EnableLayeredAPI(true);
if (base::FeatureList::IsEnabled(blink::features::kLayoutNG))
WebRuntimeFeatures::EnableLayoutNG(true);
WebRuntimeFeatures::EnableLazyInitializeMediaControls(
base::FeatureList::IsEnabled(features::kLazyInitializeMediaControls));
WebRuntimeFeatures::EnableMediaEngagementBypassAutoplayPolicies(
base::FeatureList::IsEnabled(
media::kMediaEngagementBypassAutoplayPolicies));
WebRuntimeFeatures::EnableModuleScriptsDynamicImport(
base::FeatureList::IsEnabled(features::kModuleScriptsDynamicImport));
WebRuntimeFeatures::EnableModuleScriptsImportMetaUrl(
base::FeatureList::IsEnabled(features::kModuleScriptsImportMetaUrl));
WebRuntimeFeatures::EnableOverflowIconsForMediaControls(
base::FeatureList::IsEnabled(media::kOverflowIconsForMediaControls));
WebRuntimeFeatures::EnableAllowActivationDelegationAttr(
base::FeatureList::IsEnabled(features::kAllowActivationDelegationAttr));
WebRuntimeFeatures::EnableModernMediaControls(
base::FeatureList::IsEnabled(media::kUseModernMediaControls));
WebRuntimeFeatures::EnableWorkStealingInScriptRunner(
base::FeatureList::IsEnabled(features::kWorkStealingInScriptRunner));
WebRuntimeFeatures::EnableFeatureFromString(
"FeaturePolicyForPermissions",
base::FeatureList::IsEnabled(features::kUseFeaturePolicyForPermissions));
if (base::FeatureList::IsEnabled(features::kLazyFrameLoading))
WebRuntimeFeatures::EnableLazyFrameLoading(true);
if (base::FeatureList::IsEnabled(features::kLazyFrameVisibleLoadTimeMetrics))
WebRuntimeFeatures::EnableLazyFrameVisibleLoadTimeMetrics(true);
WebRuntimeFeatures::EnableV8ContextSnapshot(
base::FeatureList::IsEnabled(features::kV8ContextSnapshot));
if (base::FeatureList::IsEnabled(features::kStopInBackground))
WebRuntimeFeatures::EnableStopInBackground(true);
if (base::FeatureList::IsEnabled(features::kStopLoadingInBackground))
WebRuntimeFeatures::EnableStopLoadingInBackground(true);
if (base::FeatureList::IsEnabled(features::kStopNonTimersInBackground))
WebRuntimeFeatures::EnableStopNonTimersInBackground(true);
WebRuntimeFeatures::EnablePWAFullCodeCache(
base::FeatureList::IsEnabled(features::kPWAFullCodeCache));
WebRuntimeFeatures::EnableRequireCSSExtensionForFile(
base::FeatureList::IsEnabled(features::kRequireCSSExtensionForFile));
WebRuntimeFeatures::EnablePictureInPicture(
base::FeatureList::IsEnabled(media::kPictureInPicture));
WebRuntimeFeatures::EnableCacheInlineScriptCode(
base::FeatureList::IsEnabled(features::kCacheInlineScriptCode));
// Make srcset on link rel=preload work with SignedHTTPExchange flag too.
if (base::FeatureList::IsEnabled(features::kSignedHTTPExchange))
WebRuntimeFeatures::EnablePreloadImageSrcSetEnabled(true);
WebRuntimeFeatures::EnableOffMainThreadWebSocket(
base::FeatureList::IsEnabled(features::kOffMainThreadWebSocket));
if (base::FeatureList::IsEnabled(
features::kExperimentalProductivityFeatures)) {
WebRuntimeFeatures::EnableExperimentalProductivityFeatures(true);
}
if (base::FeatureList::IsEnabled(features::kPageLifecycle))
WebRuntimeFeatures::EnablePageLifecycle(true);
#if defined(OS_ANDROID)
if (base::FeatureList::IsEnabled(features::kDisplayCutoutAPI))
WebRuntimeFeatures::EnableDisplayCutoutAPI(true);
#endif
if (command_line.HasSwitch(switches::kEnableAccessibilityObjectModel))
WebRuntimeFeatures::EnableAccessibilityObjectModel(true);
// End individual features.
// Do not add individual features below this line.
if (command_line.HasSwitch(
switches::kDisableOriginTrialControlledBlinkFeatures)) {
WebRuntimeFeatures::EnableOriginTrialControlledFeatures(false);
}
WebRuntimeFeatures::EnableAutoplayIgnoresWebAudio(
base::FeatureList::IsEnabled(media::kAutoplayIgnoreWebAudio));
#if defined(OS_ANDROID)
WebRuntimeFeatures::EnableMediaControlsExpandGesture(
base::FeatureList::IsEnabled(media::kMediaControlsExpandGesture));
#endif
// Enable explicitly enabled features, and then disable explicitly disabled
// ones.
for (const std::string& feature :
FeaturesFromSwitch(command_line, switches::kEnableBlinkFeatures)) {
WebRuntimeFeatures::EnableFeatureFromString(feature, true);
}
for (const std::string& feature :
FeaturesFromSwitch(command_line, switches::kDisableBlinkFeatures)) {
WebRuntimeFeatures::EnableFeatureFromString(feature, false);
}
};
} // namespace content