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// 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 "base/command_line.h"
#include "content/common/content_switches_internal.h"
#include "content/public/common/content_switches.h"
#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
#include "ui/native_theme/native_theme_switches.h"
#if defined(OS_ANDROID)
#include <cpu-features.h>
#include "media/base/android/media_codec_bridge.h"
#endif
using blink::WebRuntimeFeatures;
namespace content {
static void SetRuntimeFeatureDefaultsForPlatform() {
#if defined(OS_ANDROID)
// MSE/EME implementation needs Android MediaCodec API.
if (!media::MediaCodecBridge::IsAvailable()) {
WebRuntimeFeatures::enableMediaSource(false);
WebRuntimeFeatures::enablePrefixedEncryptedMedia(false);
WebRuntimeFeatures::enableEncryptedMedia(false);
}
// WebAudio is enabled by default on ARM and X86 and only when the
// MediaCodec API is available.
WebRuntimeFeatures::enableWebAudio(
media::MediaCodecBridge::IsAvailable() &&
((android_getCpuFamily() == ANDROID_CPU_FAMILY_ARM) ||
(android_getCpuFamily() == ANDROID_CPU_FAMILY_X86)));
// Android does not support the Gamepad API.
WebRuntimeFeatures::enableGamepad(false);
// Android does not have support for PagePopup
WebRuntimeFeatures::enablePagePopup(false);
// Android does not yet support the Web Notification API. crbug.com/115320
WebRuntimeFeatures::enableNotifications(false);
// Android does not yet support SharedWorker. crbug.com/154571
WebRuntimeFeatures::enableSharedWorker(false);
// Android does not yet support NavigatorContentUtils.
WebRuntimeFeatures::enableNavigatorContentUtils(false);
WebRuntimeFeatures::enableTouchIconLoading(true);
WebRuntimeFeatures::enableOrientationEvent(true);
#else
WebRuntimeFeatures::enableNavigatorContentUtils(true);
#endif // defined(OS_ANDROID)
}
void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
const CommandLine& command_line) {
if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
WebRuntimeFeatures::enableExperimentalFeatures(true);
SetRuntimeFeatureDefaultsForPlatform();
if (command_line.HasSwitch(switches::kDisableDatabases))
WebRuntimeFeatures::enableDatabase(false);
if (command_line.HasSwitch(switches::kDisableApplicationCache))
WebRuntimeFeatures::enableApplicationCache(false);
if (command_line.HasSwitch(switches::kDisableDesktopNotifications))
WebRuntimeFeatures::enableNotifications(false);
if (command_line.HasSwitch(switches::kDisableNavigatorContentUtils))
WebRuntimeFeatures::enableNavigatorContentUtils(false);
if (command_line.HasSwitch(switches::kDisableLocalStorage))
WebRuntimeFeatures::enableLocalStorage(false);
if (command_line.HasSwitch(switches::kDisableSessionStorage))
WebRuntimeFeatures::enableSessionStorage(false);
if (command_line.HasSwitch(switches::kDisableMediaSource))
WebRuntimeFeatures::enableMediaSource(false);
if (command_line.HasSwitch(switches::kDisableSharedWorkers))
WebRuntimeFeatures::enableSharedWorker(false);
#if defined(OS_ANDROID)
if (command_line.HasSwitch(switches::kDisableWebRTC)) {
WebRuntimeFeatures::enableMediaStream(false);
WebRuntimeFeatures::enablePeerConnection(false);
}
if (!command_line.HasSwitch(switches::kEnableSpeechRecognition))
WebRuntimeFeatures::enableScriptedSpeech(false);
#endif
if (command_line.HasSwitch(switches::kEnableServiceWorker))
WebRuntimeFeatures::enableServiceWorker(true);
#if defined(OS_ANDROID)
// WebAudio is enabled by default on ARM and X86, if the MediaCodec
// API is available.
WebRuntimeFeatures::enableWebAudio(
!command_line.HasSwitch(switches::kDisableWebAudio) &&
media::MediaCodecBridge::IsAvailable());
#else
if (command_line.HasSwitch(switches::kDisableWebAudio))
WebRuntimeFeatures::enableWebAudio(false);
#endif
if (command_line.HasSwitch(switches::kEnableEncryptedMedia))
WebRuntimeFeatures::enableEncryptedMedia(true);
if (command_line.HasSwitch(switches::kDisablePrefixedEncryptedMedia))
WebRuntimeFeatures::enablePrefixedEncryptedMedia(false);
if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG))
WebRuntimeFeatures::enableWebAnimationsSVG(true);
if (command_line.HasSwitch(switches::kEnableWebMIDI))
WebRuntimeFeatures::enableWebMIDI(true);
if (command_line.HasSwitch(switches::kDisableFileSystem))
WebRuntimeFeatures::enableFileSystem(false);
if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
WebRuntimeFeatures::enableSpeechSynthesis(true);
if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
WebRuntimeFeatures::enableWebGLDraftExtensions(true);
if (command_line.HasSwitch(switches::kEnableOverlayFullscreenVideo))
WebRuntimeFeatures::enableOverlayFullscreenVideo(true);
if (ui::IsOverlayScrollbarEnabled())
WebRuntimeFeatures::enableOverlayScrollbars(true);
if (command_line.HasSwitch(switches::kEnableFastTextAutosizing)
&& !command_line.HasSwitch(switches::kDisableFastTextAutosizing))
WebRuntimeFeatures::enableFastTextAutosizing(true);
if (command_line.HasSwitch(switches::kDisableRepaintAfterLayout))
WebRuntimeFeatures::enableRepaintAfterLayout(false);
if (command_line.HasSwitch(switches::kEnableRepaintAfterLayout))
WebRuntimeFeatures::enableRepaintAfterLayout(true);
if (command_line.HasSwitch(switches::kEnableTargetedStyleRecalc))
WebRuntimeFeatures::enableTargetedStyleRecalc(true);
if (command_line.HasSwitch(switches::kEnableBleedingEdgeRenderingFastPaths))
WebRuntimeFeatures::enableBleedingEdgeFastPaths(true);
if (command_line.HasSwitch(switches::kEnablePreciseMemoryInfo))
WebRuntimeFeatures::enablePreciseMemoryInfo(true);
}
} // namespace content
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