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 #endif
  15
  16 using WebKit::WebRuntimeFeatures;
  17
  18 namespace content {
  19
  20 static void SetRuntimeFeatureDefaultsForPlatform() {
  21 #if defined(OS_ANDROID)
  22 #if !defined(GOOGLE_TV)
  23   // MSE/EME implementation needs Android MediaCodec API that was introduced
  24   // in JellyBrean.
  25   if (base::android::BuildInfo::GetInstance()->sdk_int() < 16) {
  26     WebRuntimeFeatures::enableWebKitMediaSource(false);
  27     WebRuntimeFeatures::enableLegacyEncryptedMedia(false);
  28   }
  29 #endif  // !defined(GOOGLE_TV)
  30   bool enable_webaudio = false;
  31 #if defined(ARCH_CPU_ARMEL)
  32   // WebAudio needs Android MediaCodec API that was introduced in
  33   // JellyBean, and also currently needs NEON support for the FFT.
  34   enable_webaudio =
  35       (base::android::BuildInfo::GetInstance()->sdk_int() >= 16) &&
  36       ((android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0);
  37 #endif  // defined(ARCH_CPU_ARMEL)
  38   WebRuntimeFeatures::enableWebAudio(enable_webaudio);
  39   // Android does not support the Gamepad API.
  40   WebRuntimeFeatures::enableGamepad(false);
  41   // Android does not have support for PagePopup
  42   WebRuntimeFeatures::enablePagePopup(false);
  43   // datalist on Android is not enabled
  44   WebRuntimeFeatures::enableDataListElement(false);
  45   // Android does not yet support the Web Notification API. crbug.com/115320
  46   WebRuntimeFeatures::enableNotifications(false);
  47 #endif  // defined(OS_ANDROID)
  48 }
  49
  50 void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
  51     const CommandLine& command_line) {
  52   WebRuntimeFeatures::enableStableFeatures(true);
  53
  54   if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
  55     WebRuntimeFeatures::enableExperimentalFeatures(true);
  56
  57   SetRuntimeFeatureDefaultsForPlatform();
  58
  59   if (command_line.HasSwitch(switches::kDisableDatabases))
  60     WebRuntimeFeatures::enableDatabase(false);
  61
  62   if (command_line.HasSwitch(switches::kDisableApplicationCache))
  63     WebRuntimeFeatures::enableApplicationCache(false);
  64
  65   if (command_line.HasSwitch(switches::kDisableDesktopNotifications))
  66     WebRuntimeFeatures::enableNotifications(false);
  67
  68   if (command_line.HasSwitch(switches::kDisableLocalStorage))
  69     WebRuntimeFeatures::enableLocalStorage(false);
  70
  71   if (command_line.HasSwitch(switches::kDisableSessionStorage))
  72     WebRuntimeFeatures::enableSessionStorage(false);
  73
  74   if (command_line.HasSwitch(switches::kDisableGeolocation))
  75     WebRuntimeFeatures::enableGeolocation(false);
  76
  77   if (command_line.HasSwitch(switches::kDisableWebKitMediaSource))
  78     WebRuntimeFeatures::enableWebKitMediaSource(false);
  79
  80 #if defined(OS_ANDROID)
  81   if (command_line.HasSwitch(switches::kDisableWebRTC)) {
  82     WebRuntimeFeatures::enableMediaStream(false);
  83     WebRuntimeFeatures::enablePeerConnection(false);
  84   }
  85
  86   if (!command_line.HasSwitch(switches::kEnableSpeechRecognition))
  87     WebRuntimeFeatures::enableScriptedSpeech(false);
  88 #endif
  89
  90   if (command_line.HasSwitch(switches::kDisableWebAudio))
  91     WebRuntimeFeatures::enableWebAudio(false);
  92
  93   if (command_line.HasSwitch(switches::kDisableFullScreen))
  94     WebRuntimeFeatures::enableFullscreen(false);
  95
  96   if (command_line.HasSwitch(switches::kEnableEncryptedMedia))
  97     WebRuntimeFeatures::enableEncryptedMedia(true);
  98
  99   if (command_line.HasSwitch(switches::kDisableLegacyEncryptedMedia))
 100     WebRuntimeFeatures::enableLegacyEncryptedMedia(false);
 101
 102   if (command_line.HasSwitch(switches::kEnableWebAnimationsCSS))
 103     WebRuntimeFeatures::enableWebAnimationsCSS();
 104
 105   if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG))
 106     WebRuntimeFeatures::enableWebAnimationsSVG();
 107
 108   if (command_line.HasSwitch(switches::kEnableWebMIDI))
 109     WebRuntimeFeatures::enableWebMIDI(true);
 110
 111   if (command_line.HasSwitch(switches::kDisableDeviceMotion))
 112     WebRuntimeFeatures::enableDeviceMotion(false);
 113
 114   if (command_line.HasSwitch(switches::kDisableDeviceOrientation))
 115     WebRuntimeFeatures::enableDeviceOrientation(false);
 116
 117   if (command_line.HasSwitch(switches::kDisableSpeechInput))
 118     WebRuntimeFeatures::enableSpeechInput(false);
 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::kEnableHTMLImports))
 133     WebRuntimeFeatures::enableHTMLImports(true);
 134
 135   if (command_line.HasSwitch(switches::kEnableOverlayScrollbars))
 136     WebRuntimeFeatures::enableOverlayScrollbars(true);
 137
 138   if (command_line.HasSwitch(switches::kEnableInputModeAttribute))
 139     WebRuntimeFeatures::enableInputModeAttribute(true);
 140 }
 141
 142 }  // namespace content