src/content/child/runtime_features.cc

   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/public/common/content_switches.h"
   9 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
  10
  11 #if defined(OS_ANDROID)
  12 #include <cpu-features.h>
  13 #include "base/android/build_info.h"
  14 #include "media/base/android/media_codec_bridge.h"
  15 #endif
  16
  17 using WebKit::WebRuntimeFeatures;
  18
  19 namespace content {
  20
  21 static void SetRuntimeFeatureDefaultsForPlatform() {
  22 #if defined(OS_ANDROID)
  23 #if !defined(GOOGLE_TV)
  24   // MSE/EME implementation needs Android MediaCodec API.
  25   if (!media::MediaCodecBridge::IsAvailable()) {
  26     WebRuntimeFeatures::enableWebKitMediaSource(false);
  27     WebRuntimeFeatures::enableMediaSource(false);
  28     WebRuntimeFeatures::enablePrefixedEncryptedMedia(false);
  29   }
  30 #endif  // !defined(GOOGLE_TV)
  31   // WebAudio needs Android MediaCodec API that was introduced in
  32   // JellyBean.
  33   bool enable_webaudio =
  34       (base::android::BuildInfo::GetInstance()->sdk_int() >= 16);
  35   WebRuntimeFeatures::enableWebAudio(enable_webaudio);
  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   // datalist on Android is not enabled
  41   WebRuntimeFeatures::enableDataListElement(false);
  42   // Android does not yet support the Web Notification API. crbug.com/115320
  43   WebRuntimeFeatures::enableNotifications(false);
  44   // Android does not yet support SharedWorker. crbug.com/154571
  45   WebRuntimeFeatures::enableSharedWorker(false);
  46 #endif  // defined(OS_ANDROID)
  47 }
  48
  49 void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
  50     const CommandLine& command_line) {
  51   WebRuntimeFeatures::enableStableFeatures(true);
  52
  53   if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
  54     WebRuntimeFeatures::enableExperimentalFeatures(true);
  55
  56   SetRuntimeFeatureDefaultsForPlatform();
  57
  58   if (command_line.HasSwitch(switches::kDisableDatabases))
  59     WebRuntimeFeatures::enableDatabase(false);
  60
  61   if (command_line.HasSwitch(switches::kDisableApplicationCache))
  62     WebRuntimeFeatures::enableApplicationCache(false);
  63
  64   if (command_line.HasSwitch(switches::kDisableDesktopNotifications))
  65     WebRuntimeFeatures::enableNotifications(false);
  66
  67   if (command_line.HasSwitch(switches::kDisableLocalStorage))
  68     WebRuntimeFeatures::enableLocalStorage(false);
  69
  70   if (command_line.HasSwitch(switches::kDisableSessionStorage))
  71     WebRuntimeFeatures::enableSessionStorage(false);
  72
  73   if (command_line.HasSwitch(switches::kDisableGeolocation))
  74     WebRuntimeFeatures::enableGeolocation(false);
  75
  76   if (command_line.HasSwitch(switches::kDisableWebKitMediaSource))
  77     WebRuntimeFeatures::enableWebKitMediaSource(false);
  78
  79   if (command_line.HasSwitch(switches::kDisableUnprefixedMediaSource))
  80     WebRuntimeFeatures::enableMediaSource(false);
  81
  82   if (command_line.HasSwitch(switches::kDisableSharedWorkers))
  83     WebRuntimeFeatures::enableSharedWorker(false);
  84
  85 #if defined(OS_ANDROID)
  86   if (command_line.HasSwitch(switches::kDisableWebRTC)) {
  87     WebRuntimeFeatures::enableMediaStream(false);
  88     WebRuntimeFeatures::enablePeerConnection(false);
  89   }
  90
  91   if (!command_line.HasSwitch(switches::kEnableSpeechRecognition))
  92     WebRuntimeFeatures::enableScriptedSpeech(false);
  93 #endif
  94
  95   if (command_line.HasSwitch(switches::kEnableServiceWorker))
  96     WebRuntimeFeatures::enableServiceWorker(true);
  97
  98   if (command_line.HasSwitch(switches::kDisableWebAudio))
  99     WebRuntimeFeatures::enableWebAudio(false);
 100
 101   if (command_line.HasSwitch(switches::kDisableFullScreen))
 102     WebRuntimeFeatures::enableFullscreen(false);
 103
 104   if (command_line.HasSwitch(switches::kEnableEncryptedMedia))
 105     WebRuntimeFeatures::enableEncryptedMedia(true);
 106
 107   if (command_line.HasSwitch(switches::kDisablePrefixedEncryptedMedia))
 108     WebRuntimeFeatures::enablePrefixedEncryptedMedia(false);
 109
 110   if (command_line.HasSwitch(switches::kEnableWebAnimationsCSS))
 111     WebRuntimeFeatures::enableWebAnimationsCSS();
 112
 113   if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG))
 114     WebRuntimeFeatures::enableWebAnimationsSVG();
 115
 116   if (command_line.HasSwitch(switches::kEnableWebMIDI))
 117     WebRuntimeFeatures::enableWebMIDI(true);
 118
 119   if (command_line.HasSwitch(switches::kDisableDeviceMotion))
 120     WebRuntimeFeatures::enableDeviceMotion(false);
 121
 122   if (command_line.HasSwitch(switches::kDisableDeviceOrientation))
 123     WebRuntimeFeatures::enableDeviceOrientation(false);
 124
 125   if (command_line.HasSwitch(switches::kDisableSpeechInput))
 126     WebRuntimeFeatures::enableSpeechInput(false);
 127
 128   if (command_line.HasSwitch(switches::kDisableFileSystem))
 129     WebRuntimeFeatures::enableFileSystem(false);
 130
 131   if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
 132     WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
 133
 134   if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
 135     WebRuntimeFeatures::enableSpeechSynthesis(true);
 136
 137   if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
 138     WebRuntimeFeatures::enableWebGLDraftExtensions(true);
 139
 140   if (command_line.HasSwitch(switches::kEnableHTMLImports))
 141     WebRuntimeFeatures::enableHTMLImports(true);
 142
 143   if (command_line.HasSwitch(switches::kEnableOverlayFullscreenVideo))
 144     WebRuntimeFeatures::enableOverlayFullscreenVideo(true);
 145
 146   if (command_line.HasSwitch(switches::kEnableOverlayScrollbars))
 147     WebRuntimeFeatures::enableOverlayScrollbars(true);
 148
 149   if (command_line.HasSwitch(switches::kEnableInputModeAttribute))
 150     WebRuntimeFeatures::enableInputModeAttribute(true);
 151
 152   if (command_line.HasSwitch(switches::kEnableFastTextAutosizing))
 153     WebRuntimeFeatures::enableFastTextAutosizing(true);
 154
 155   if (command_line.HasSwitch(switches::kEnableRepaintAfterLayout))
 156     WebRuntimeFeatures::enableRepaintAfterLayout(true);
 157 }
 158
 159 }  // namespace content