content/child/simple_webmimeregistry_impl.cc - Issue 2444873002: Move WebMIMERegistry impl from //content to blink:platform/network/mime

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Issue 2444873002: Move WebMIMERegistry impl from //content to blink:platform/network/mime (Closed)

Patch Set: remove indirection Created 4 years, 1 month ago

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1 // Copyright 2014 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/simple_webmimeregistry_impl.h"

6

7 #include "base/files/file_path.h"

8 #include "base/strings/string_util.h"

9 #include "base/strings/sys_string_conversions.h"

10 #include "base/strings/utf_string_conversions.h"

11 #include "components/mime_util/mime_util.h"

12 #include "media/base/mime_util.h"

13 #include "media/filters/stream_parser_factory.h"

14 #include "net/base/mime_util.h"

15 #include "third_party/WebKit/public/platform/FilePathConversion.h"

16 #include "third_party/WebKit/public/platform/WebString.h"

17

18 using blink::WebString;

19 using blink::WebMimeRegistry;

20

21 namespace content {

22

23 // static

24 std::string SimpleWebMimeRegistryImpl::ToASCIIOrEmpty(const WebString& string) {

25 return base::IsStringASCII(string)

26 ? base::UTF16ToASCII(base::StringPiece16(string))

27 : std::string();

28 }

29

30 WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMIMEType(

31 const WebString& mime_type) {

32 return mime_util::IsSupportedMimeType(ToASCIIOrEmpty(mime_type))

33 ? WebMimeRegistry::IsSupported

34 : WebMimeRegistry::IsNotSupported;

35 }

36

37 WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsImageMIMEType(

38 const WebString& mime_type) {

39 return mime_util::IsSupportedImageMimeType(ToASCIIOrEmpty(mime_type))

40 ? WebMimeRegistry::IsSupported

41 : WebMimeRegistry::IsNotSupported;

42 }

43

44 WebMimeRegistry::SupportsType

45 SimpleWebMimeRegistryImpl::supportsImagePrefixedMIMEType(

46 const WebString& mime_type) {

47 std::string ascii_mime_type = ToASCIIOrEmpty(mime_type);

48 return (mime_util::IsSupportedImageMimeType(ascii_mime_type) \|\|

49 (base::StartsWith(ascii_mime_type, "image/",

50 base::CompareCase::SENSITIVE) &&

51 mime_util::IsSupportedNonImageMimeType(ascii_mime_type)))

52 ? WebMimeRegistry::IsSupported

53 : WebMimeRegistry::IsNotSupported;

54 }

55

56 WebMimeRegistry::SupportsType

57 SimpleWebMimeRegistryImpl::supportsJavaScriptMIMEType(

58 const WebString& mime_type) {

59 return mime_util::IsSupportedJavascriptMimeType(ToASCIIOrEmpty(mime_type))

60 ? WebMimeRegistry::IsSupported

61 : WebMimeRegistry::IsNotSupported;

62 }

63

64 WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMediaMIMEType(

65 const WebString& mime_type,

66 const WebString& codecs) {

67 const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);

68 std::vector<std::string> codec_vector;

69 media::ParseCodecString(ToASCIIOrEmpty(codecs), &codec_vector, false);

70 return static_cast<WebMimeRegistry::SupportsType>(

71 media::IsSupportedMediaFormat(mime_type_ascii, codec_vector));

72 }

73

74 bool SimpleWebMimeRegistryImpl::supportsMediaSourceMIMEType(

75 const WebString& mime_type,

76 const WebString& codecs) {

77 const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type);

78 if (mime_type_ascii.empty())

79 return false;

80 std::vector<std::string> parsed_codec_ids;

81 media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codec_ids, false);

82 return media::StreamParserFactory::IsTypeSupported(mime_type_ascii,

83 parsed_codec_ids);

84 }

85

86 WebMimeRegistry::SupportsType

87 SimpleWebMimeRegistryImpl::supportsNonImageMIMEType(

88 const WebString& mime_type) {

89 return mime_util::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type))

90 ? WebMimeRegistry::IsSupported

91 : WebMimeRegistry::IsNotSupported;

92 }

93

94 WebString SimpleWebMimeRegistryImpl::mimeTypeForExtension(

95 const WebString& file_extension) {

96 std::string mime_type;

97 net::GetMimeTypeFromExtension(

98 blink::WebStringToFilePath(file_extension).value(), &mime_type);

99 return WebString::fromUTF8(mime_type);

100 }

101

102 WebString SimpleWebMimeRegistryImpl::wellKnownMimeTypeForExtension(

103 const WebString& file_extension) {

104 std::string mime_type;

105 net::GetWellKnownMimeTypeFromExtension(

106 blink::WebStringToFilePath(file_extension).value(), &mime_type);

107 return WebString::fromUTF8(mime_type);

108 }

109

110 } // namespace content

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