blob: 85d8abf2b042faac901742a2e38097758d6e19ef [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/strings/string_split.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 "third_party/WebKit/public/web/WebRuntimeFeatures.h"
#include "ui/gl/gl_switches.h"
#include "ui/native_theme/native_theme_switches.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);
WebRuntimeFeatures::enableNewMediaPlaybackUi(true);
// Android does not yet support switching of audio output devices
WebRuntimeFeatures::enableAudioOutputDevices(false);
#else
WebRuntimeFeatures::enableNavigatorContentUtils(true);
#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 right now.
WebRuntimeFeatures::enableNetworkInformation(false);
#endif
}
void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
const base::CommandLine& command_line) {
if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
WebRuntimeFeatures::enableExperimentalFeatures(true);
WebRuntimeFeatures::enableOriginTrials(
base::FeatureList::IsEnabled(features::kOriginTrials));
if (command_line.HasSwitch(switches::kEnableWebBluetooth))
WebRuntimeFeatures::enableWebBluetooth(true);
if (!base::FeatureList::IsEnabled(features::kWebUsb))
WebRuntimeFeatures::enableWebUsb(false);
SetRuntimeFeatureDefaultsForPlatform();
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 (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::kEnableExperimentalCanvasFeatures))
WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
if (!command_line.HasSwitch(switches::kDisableAcceleratedJpegDecoding))
WebRuntimeFeatures::enableDecodeToYUV(true);
if (command_line.HasSwitch(switches::kEnableDisplayList2dCanvas))
WebRuntimeFeatures::enableDisplayList2dCanvas(true);
if (command_line.HasSwitch(switches::kDisableDisplayList2dCanvas))
WebRuntimeFeatures::enableDisplayList2dCanvas(false);
if (command_line.HasSwitch(switches::kForceDisplayList2dCanvas))
WebRuntimeFeatures::forceDisplayList2dCanvas(true);
if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
WebRuntimeFeatures::enableWebGLDraftExtensions(true);
#if defined(OS_MACOSX)
bool enable_canvas_2d_image_chromium = command_line.HasSwitch(
switches::kEnableGpuMemoryBufferCompositorResources) &&
!command_line.HasSwitch(switches::kDisable2dCanvasImageChromium) &&
!command_line.HasSwitch(switches::kDisableGpu);
#else
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);
// There are two bugs in WebGL image chromium.
// https://bugs.chromium.org/p/chromium/issues/detail?id=581777#c37
// TODO(erikchen): When those issues are fixed, reenable this feature.
enable_web_gl_image_chromium = false;
#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::kEnableNetworkInformation) ||
command_line.HasSwitch(
switches::kEnableExperimentalWebPlatformFeatures)) {
WebRuntimeFeatures::enableNetworkInformation(true);
}
if (!base::FeatureList::IsEnabled(features::kCredentialManagementAPI))
WebRuntimeFeatures::enableCredentialManagerAPI(false);
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::kEnableUnsafeES3APIs))
WebRuntimeFeatures::enableUnsafeES3APIs(true);
if (command_line.HasSwitch(switches::kEnableWebVR)) {
WebRuntimeFeatures::enableWebVR(true);
WebRuntimeFeatures::enableFeatureFromString(
std::string("GeometryInterfaces"), true);
}
if (command_line.HasSwitch(switches::kDisablePresentationAPI))
WebRuntimeFeatures::enablePresentationAPI(false);
if (base::FeatureList::IsEnabled(features::kWebFontsInterventionV2)) {
WebRuntimeFeatures::enableWebFontsInterventionV2(true);
if (command_line.HasSwitch(switches::kEnableWebFontsInterventionTrigger))
WebRuntimeFeatures::enableWebFontsInterventionTrigger(true);
}
if (base::FeatureList::IsEnabled(features::kScrollAnchoring))
WebRuntimeFeatures::enableScrollAnchoring(true);
if (command_line.HasSwitch(switches::kEnableSlimmingPaintV2))
WebRuntimeFeatures::enableSlimmingPaintV2(true);
// Note that it might already by true for OS_ANDROID, above. This is for
// non-android versions.
if (base::FeatureList::IsEnabled(features::kNewMediaPlaybackUi))
WebRuntimeFeatures::enableNewMediaPlaybackUi(true);
if (base::FeatureList::IsEnabled(features::kDocumentWriteEvaluator))
WebRuntimeFeatures::enableDocumentWriteEvaluator(true);
WebRuntimeFeatures::enableMediaDocumentDownloadButton(
base::FeatureList::IsEnabled(features::kMediaDocumentDownloadButton));
if (base::FeatureList::IsEnabled(features::kPointerEvents)) {
WebRuntimeFeatures::enableFeatureFromString(
std::string("PointerEvent"), true);
}
if (!base::FeatureList::IsEnabled(features::kPaintOptimizations))
WebRuntimeFeatures::enableFeatureFromString("PaintOptimizations", false);
WebRuntimeFeatures::enableRenderingPipelineThrottling(
base::FeatureList::IsEnabled(features::kRenderingPipelineThrottling));
// Enable explicitly enabled features, and then disable explicitly disabled
// ones.
if (command_line.HasSwitch(switches::kEnableBlinkFeatures)) {
std::vector<std::string> enabled_features = base::SplitString(
command_line.GetSwitchValueASCII(switches::kEnableBlinkFeatures),
",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
for (const std::string& feature : enabled_features)
WebRuntimeFeatures::enableFeatureFromString(feature, true);
}
if (command_line.HasSwitch(switches::kDisableBlinkFeatures)) {
std::vector<std::string> disabled_features = base::SplitString(
command_line.GetSwitchValueASCII(switches::kDisableBlinkFeatures),
",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
for (const std::string& feature : disabled_features)
WebRuntimeFeatures::enableFeatureFromString(feature, false);
}
}
} // namespace content