runtime_features.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
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) && !defined(GOOGLE_TV)
21  WebRuntimeFeatures::enableWebKitMediaSource(false);
22  WebRuntimeFeatures::enableLegacyEncryptedMedia(false);
23  WebRuntimeFeatures::enableEncryptedMedia(false);
24#endif
25
26#if defined(OS_ANDROID)
27    bool enable_webaudio = true;
28#if defined(ARCH_CPU_ARMEL)
29    enable_webaudio =
30        ((android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0);
31#endif
32  WebRuntimeFeatures::enableWebAudio(enable_webaudio);
33  // Android does not support the Gamepad API.
34  WebRuntimeFeatures::enableGamepad(false);
35  // input[type=week] in Android is incomplete. crbug.com/135938
36  WebRuntimeFeatures::enableInputTypeWeek(false);
37  // Android does not have support for PagePopup
38  WebRuntimeFeatures::enablePagePopup(false);
39  // datalist on Android is not enabled
40  WebRuntimeFeatures::enableDataListElement(false);
41#endif
42}
43
44void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
45    const CommandLine& command_line) {
46  WebRuntimeFeatures::enableStableFeatures(true);
47
48  if (command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures))
49    WebRuntimeFeatures::enableExperimentalFeatures(true);
50
51  SetRuntimeFeatureDefaultsForPlatform();
52
53  if (command_line.HasSwitch(switches::kDisableDatabases))
54    WebRuntimeFeatures::enableDatabase(false);
55
56  if (command_line.HasSwitch(switches::kDisableApplicationCache))
57    WebRuntimeFeatures::enableApplicationCache(false);
58
59  if (command_line.HasSwitch(switches::kDisableDesktopNotifications))
60    WebRuntimeFeatures::enableNotifications(false);
61
62  if (command_line.HasSwitch(switches::kDisableLocalStorage))
63    WebRuntimeFeatures::enableLocalStorage(false);
64
65  if (command_line.HasSwitch(switches::kDisableSessionStorage))
66    WebRuntimeFeatures::enableSessionStorage(false);
67
68  if (command_line.HasSwitch(switches::kDisableGeolocation))
69    WebRuntimeFeatures::enableGeolocation(false);
70
71#if defined(OS_ANDROID) && !defined(GOOGLE_TV)
72  if (command_line.HasSwitch(switches::kEnableWebKitMediaSource))
73    WebRuntimeFeatures::enableWebKitMediaSource(true);
74#else
75  if (command_line.HasSwitch(switches::kDisableWebKitMediaSource))
76    WebRuntimeFeatures::enableWebKitMediaSource(false);
77#endif
78
79#if defined(OS_ANDROID)
80  if (command_line.HasSwitch(switches::kDisableWebRTC)) {
81    WebRuntimeFeatures::enableMediaStream(false);
82    WebRuntimeFeatures::enablePeerConnection(false);
83  }
84
85  if (!command_line.HasSwitch(switches::kEnableSpeechRecognition))
86    WebRuntimeFeatures::enableScriptedSpeech(false);
87#endif
88
89  if (command_line.HasSwitch(switches::kDisableWebAudio))
90    WebRuntimeFeatures::enableWebAudio(false);
91
92  if (command_line.HasSwitch(switches::kDisableFullScreen))
93    WebRuntimeFeatures::enableFullscreen(false);
94
95  if (command_line.HasSwitch(switches::kEnableEncryptedMedia))
96    WebRuntimeFeatures::enableEncryptedMedia(true);
97
98  if (command_line.HasSwitch(switches::kDisableLegacyEncryptedMedia))
99    WebRuntimeFeatures::enableLegacyEncryptedMedia(false);
100
101  if (command_line.HasSwitch(switches::kEnableWebMIDI))
102    WebRuntimeFeatures::enableWebMIDI(true);
103
104  if (command_line.HasSwitch(switches::kEnableDeviceMotion))
105      WebRuntimeFeatures::enableDeviceMotion(true);
106
107  if (command_line.HasSwitch(switches::kDisableDeviceOrientation))
108    WebRuntimeFeatures::enableDeviceOrientation(false);
109
110  if (command_line.HasSwitch(switches::kDisableSpeechInput))
111    WebRuntimeFeatures::enableSpeechInput(false);
112
113  if (command_line.HasSwitch(switches::kDisableFileSystem))
114    WebRuntimeFeatures::enableFileSystem(false);
115
116  if (command_line.HasSwitch(switches::kDisableJavaScriptI18NAPI))
117    WebRuntimeFeatures::enableJavaScriptI18NAPI(false);
118
119  if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
120    WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
121
122  if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
123    WebRuntimeFeatures::enableSpeechSynthesis(true);
124
125  if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
126    WebRuntimeFeatures::enableWebGLDraftExtensions(true);
127
128  // Enabled by default for testing.
129  // TODO(urvang): Go back to using the command-line option after a few days.
130  // https://code.google.com/p/chromium/issues/detail?id=234437
131  WebRuntimeFeatures::enableWebPInAcceptHeader(true);
132}
133
134}  // namespace content
135