runtime_features.cc revision 558790d6acca3451cf3a6b497803a5f07d0bec58 
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#endif
14
15using WebKit::WebRuntimeFeatures;
16
17namespace content {
18
19static void SetRuntimeFeatureDefaultsForPlatform() {
20#if defined(OS_ANDROID)
21  bool enable_webaudio = false;
22#if defined(ARCH_CPU_ARMEL)
23  enable_webaudio =
24      ((android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0);
25#endif
26  WebRuntimeFeatures::enableWebAudio(enable_webaudio);
27  // Android does not support the Gamepad API.
28  WebRuntimeFeatures::enableGamepad(false);
29  // Android does not have support for PagePopup
30  WebRuntimeFeatures::enablePagePopup(false);
31  // datalist on Android is not enabled
32  WebRuntimeFeatures::enableDataListElement(false);
33#endif
34}
35
36void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
37    const CommandLine& command_line) {
38  WebRuntimeFeatures::enableStableFeatures(true);
39
40  if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
41    WebRuntimeFeatures::enableExperimentalFeatures(true);
42
43  SetRuntimeFeatureDefaultsForPlatform();
44
45  if (command_line.HasSwitch(switches::kDisableDatabases))
46    WebRuntimeFeatures::enableDatabase(false);
47
48  if (command_line.HasSwitch(switches::kDisableApplicationCache))
49    WebRuntimeFeatures::enableApplicationCache(false);
50
51  if (command_line.HasSwitch(switches::kDisableDesktopNotifications))
52    WebRuntimeFeatures::enableNotifications(false);
53
54  if (command_line.HasSwitch(switches::kDisableLocalStorage))
55    WebRuntimeFeatures::enableLocalStorage(false);
56
57  if (command_line.HasSwitch(switches::kDisableSessionStorage))
58    WebRuntimeFeatures::enableSessionStorage(false);
59
60  if (command_line.HasSwitch(switches::kDisableGeolocation))
61    WebRuntimeFeatures::enableGeolocation(false);
62
63  if (command_line.HasSwitch(switches::kDisableWebKitMediaSource))
64    WebRuntimeFeatures::enableWebKitMediaSource(false);
65
66#if defined(OS_ANDROID)
67  if (command_line.HasSwitch(switches::kDisableWebRTC)) {
68    WebRuntimeFeatures::enableMediaStream(false);
69    WebRuntimeFeatures::enablePeerConnection(false);
70  }
71
72  if (!command_line.HasSwitch(switches::kEnableSpeechRecognition))
73    WebRuntimeFeatures::enableScriptedSpeech(false);
74#endif
75
76  if (command_line.HasSwitch(switches::kDisableWebAudio))
77    WebRuntimeFeatures::enableWebAudio(false);
78
79  if (command_line.HasSwitch(switches::kDisableFullScreen))
80    WebRuntimeFeatures::enableFullscreen(false);
81
82  if (command_line.HasSwitch(switches::kEnableEncryptedMedia))
83    WebRuntimeFeatures::enableEncryptedMedia(true);
84
85  if (command_line.HasSwitch(switches::kDisableLegacyEncryptedMedia))
86    WebRuntimeFeatures::enableLegacyEncryptedMedia(false);
87
88  if (command_line.HasSwitch(switches::kEnableWebAnimationsCSS))
89    WebRuntimeFeatures::enableWebAnimationsCSS();
90
91  if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG))
92    WebRuntimeFeatures::enableWebAnimationsSVG();
93
94  if (command_line.HasSwitch(switches::kEnableWebMIDI))
95    WebRuntimeFeatures::enableWebMIDI(true);
96
97  if (command_line.HasSwitch(switches::kEnableDeviceMotion))
98      WebRuntimeFeatures::enableDeviceMotion(true);
99
100  if (command_line.HasSwitch(switches::kDisableDeviceOrientation))
101    WebRuntimeFeatures::enableDeviceOrientation(false);
102
103  if (command_line.HasSwitch(switches::kDisableSpeechInput))
104    WebRuntimeFeatures::enableSpeechInput(false);
105
106  if (command_line.HasSwitch(switches::kDisableFileSystem))
107    WebRuntimeFeatures::enableFileSystem(false);
108
109  if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
110    WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
111
112  if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
113    WebRuntimeFeatures::enableSpeechSynthesis(true);
114
115  if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
116    WebRuntimeFeatures::enableWebGLDraftExtensions(true);
117}
118
119}  // namespace content
120