runtime_features.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061
1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "content/child/runtime_features.h" 6 7#include "base/command_line.h" 8#include "content/common/content_switches_internal.h" 9#include "content/public/common/content_switches.h" 10#include "third_party/WebKit/public/web/WebRuntimeFeatures.h" 11#include "ui/native_theme/native_theme_switches.h" 12 13#if defined(OS_ANDROID) 14#include <cpu-features.h> 15#include "media/base/android/media_codec_bridge.h" 16#endif 17 18using blink::WebRuntimeFeatures; 19 20namespace content { 21 22static void SetRuntimeFeatureDefaultsForPlatform() { 23#if defined(OS_ANDROID) 24 // MSE/EME implementation needs Android MediaCodec API. 25 if (!media::MediaCodecBridge::IsAvailable()) { 26 WebRuntimeFeatures::enableMediaSource(false); 27 WebRuntimeFeatures::enablePrefixedEncryptedMedia(false); 28 WebRuntimeFeatures::enableEncryptedMedia(false); 29 } 30 // WebAudio is enabled by default on ARM and X86 and only when the 31 // MediaCodec API is available. 32 WebRuntimeFeatures::enableWebAudio( 33 media::MediaCodecBridge::IsAvailable() && 34 ((android_getCpuFamily() == ANDROID_CPU_FAMILY_ARM) || 35 (android_getCpuFamily() == ANDROID_CPU_FAMILY_X86))); 36 // Android does not support the Gamepad API. 37 WebRuntimeFeatures::enableGamepad(false); 38 // Android does not have support for PagePopup 39 WebRuntimeFeatures::enablePagePopup(false); 40 // Android does not yet support the Web Notification API. crbug.com/115320 41 WebRuntimeFeatures::enableNotifications(false); 42 // Android does not yet support SharedWorker. crbug.com/154571 43 WebRuntimeFeatures::enableSharedWorker(false); 44 // Android does not yet support NavigatorContentUtils. 45 WebRuntimeFeatures::enableNavigatorContentUtils(false); 46 WebRuntimeFeatures::enableTouchIconLoading(true); 47 WebRuntimeFeatures::enableOrientationEvent(true); 48#else 49 WebRuntimeFeatures::enableNavigatorContentUtils(true); 50#endif // defined(OS_ANDROID) 51} 52 53void SetRuntimeFeaturesDefaultsAndUpdateFromArgs( 54 const CommandLine& command_line) { 55 if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures)) 56 WebRuntimeFeatures::enableExperimentalFeatures(true); 57 58 SetRuntimeFeatureDefaultsForPlatform(); 59 60 if (command_line.HasSwitch(switches::kDisableDatabases)) 61 WebRuntimeFeatures::enableDatabase(false); 62 63 if (command_line.HasSwitch(switches::kDisableApplicationCache)) 64 WebRuntimeFeatures::enableApplicationCache(false); 65 66 if (command_line.HasSwitch(switches::kDisableDesktopNotifications)) 67 WebRuntimeFeatures::enableNotifications(false); 68 69 if (command_line.HasSwitch(switches::kDisableNavigatorContentUtils)) 70 WebRuntimeFeatures::enableNavigatorContentUtils(false); 71 72 if (command_line.HasSwitch(switches::kDisableLocalStorage)) 73 WebRuntimeFeatures::enableLocalStorage(false); 74 75 if (command_line.HasSwitch(switches::kDisableSessionStorage)) 76 WebRuntimeFeatures::enableSessionStorage(false); 77 78 if (command_line.HasSwitch(switches::kDisableMediaSource)) 79 WebRuntimeFeatures::enableMediaSource(false); 80 81 if (command_line.HasSwitch(switches::kDisableSharedWorkers)) 82 WebRuntimeFeatures::enableSharedWorker(false); 83 84#if defined(OS_ANDROID) 85 if (command_line.HasSwitch(switches::kDisableWebRTC)) { 86 WebRuntimeFeatures::enableMediaStream(false); 87 WebRuntimeFeatures::enablePeerConnection(false); 88 } 89 90 if (!command_line.HasSwitch(switches::kEnableSpeechRecognition)) 91 WebRuntimeFeatures::enableScriptedSpeech(false); 92#endif 93 94 if (command_line.HasSwitch(switches::kEnableServiceWorker)) 95 WebRuntimeFeatures::enableServiceWorker(true); 96 97#if defined(OS_ANDROID) 98 // WebAudio is enabled by default on ARM and X86, if the MediaCodec 99 // API is available. 100 WebRuntimeFeatures::enableWebAudio( 101 !command_line.HasSwitch(switches::kDisableWebAudio) && 102 media::MediaCodecBridge::IsAvailable()); 103#else 104 if (command_line.HasSwitch(switches::kDisableWebAudio)) 105 WebRuntimeFeatures::enableWebAudio(false); 106#endif 107 108 if (command_line.HasSwitch(switches::kEnableEncryptedMedia)) 109 WebRuntimeFeatures::enableEncryptedMedia(true); 110 111 if (command_line.HasSwitch(switches::kDisablePrefixedEncryptedMedia)) 112 WebRuntimeFeatures::enablePrefixedEncryptedMedia(false); 113 114 if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG)) 115 WebRuntimeFeatures::enableWebAnimationsSVG(true); 116 117 if (command_line.HasSwitch(switches::kEnableWebMIDI)) 118 WebRuntimeFeatures::enableWebMIDI(true); 119 120 if (command_line.HasSwitch(switches::kDisableFileSystem)) 121 WebRuntimeFeatures::enableFileSystem(false); 122 123 if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures)) 124 WebRuntimeFeatures::enableExperimentalCanvasFeatures(true); 125 126 if (command_line.HasSwitch(switches::kEnableSpeechSynthesis)) 127 WebRuntimeFeatures::enableSpeechSynthesis(true); 128 129 if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions)) 130 WebRuntimeFeatures::enableWebGLDraftExtensions(true); 131 132 if (command_line.HasSwitch(switches::kEnableWebGLImageChromium)) 133 WebRuntimeFeatures::enableWebGLImageChromium(true); 134 135 if (command_line.HasSwitch(switches::kEnableOverlayFullscreenVideo)) 136 WebRuntimeFeatures::enableOverlayFullscreenVideo(true); 137 138 if (ui::IsOverlayScrollbarEnabled()) 139 WebRuntimeFeatures::enableOverlayScrollbars(true); 140 141 if (command_line.HasSwitch(switches::kEnableFastTextAutosizing)) 142 WebRuntimeFeatures::enableFastTextAutosizing(true); 143 144 if (command_line.HasSwitch(switches::kDisableFastTextAutosizing)) 145 WebRuntimeFeatures::enableFastTextAutosizing(false); 146 147 if (command_line.HasSwitch(switches::kDisableRepaintAfterLayout)) 148 WebRuntimeFeatures::enableRepaintAfterLayout(false); 149 150 if (command_line.HasSwitch(switches::kEnableRepaintAfterLayout)) 151 WebRuntimeFeatures::enableRepaintAfterLayout(true); 152 153 if (command_line.HasSwitch(switches::kEnableTargetedStyleRecalc)) 154 WebRuntimeFeatures::enableTargetedStyleRecalc(true); 155 156 if (command_line.HasSwitch(switches::kEnableBleedingEdgeRenderingFastPaths)) 157 WebRuntimeFeatures::enableBleedingEdgeFastPaths(true); 158 159 if (command_line.HasSwitch(switches::kEnablePreciseMemoryInfo)) 160 WebRuntimeFeatures::enablePreciseMemoryInfo(true); 161 162 if (command_line.HasSwitch(switches::kEnableLayerSquashing)) 163 WebRuntimeFeatures::enableLayerSquashing(true); 164} 165 166} // namespace content 167