| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/html_viewer/web_mime_registry_impl.h" |
| |
| #include "base/files/file_path.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/sys_string_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "components/mime_util/mime_util.h" |
| #include "media/base/key_systems.h" |
| #include "media/base/mime_util.h" |
| #include "media/filters/stream_parser_factory.h" |
| #include "net/base/mime_util.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| |
| namespace html_viewer { |
| namespace { |
| |
| std::string ToASCIIOrEmpty(const blink::WebString& string) { |
| return base::IsStringASCII(string) |
| ? base::UTF16ToASCII(base::StringPiece16(string)) |
| : std::string(); |
| } |
| |
| } // namespace |
| |
| blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsMIMEType( |
| const blink::WebString& mime_type) { |
| return mime_util::IsSupportedMimeType(ToASCIIOrEmpty(mime_type)) |
| ? blink::WebMimeRegistry::IsSupported |
| : blink::WebMimeRegistry::IsNotSupported; |
| } |
| |
| blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsImageMIMEType( |
| const blink::WebString& mime_type) { |
| return mime_util::IsSupportedImageMimeType(ToASCIIOrEmpty(mime_type)) |
| ? blink::WebMimeRegistry::IsSupported |
| : blink::WebMimeRegistry::IsNotSupported; |
| } |
| |
| blink::WebMimeRegistry::SupportsType |
| WebMimeRegistryImpl::supportsImagePrefixedMIMEType( |
| const blink::WebString& mime_type) { |
| std::string ascii_mime_type = ToASCIIOrEmpty(mime_type); |
| return (mime_util::IsSupportedImageMimeType(ascii_mime_type) || |
| (base::StartsWith(ascii_mime_type, "image/", |
| base::CompareCase::SENSITIVE) && |
| mime_util::IsSupportedNonImageMimeType(ascii_mime_type))) |
| ? WebMimeRegistry::IsSupported |
| : WebMimeRegistry::IsNotSupported; |
| } |
| |
| blink::WebMimeRegistry::SupportsType |
| WebMimeRegistryImpl::supportsJavaScriptMIMEType( |
| const blink::WebString& mime_type) { |
| return mime_util::IsSupportedJavascriptMimeType(ToASCIIOrEmpty(mime_type)) |
| ? blink::WebMimeRegistry::IsSupported |
| : blink::WebMimeRegistry::IsNotSupported; |
| } |
| |
| blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsMediaMIMEType( |
| const blink::WebString& mime_type, |
| const blink::WebString& codecs, |
| const blink::WebString& key_system) { |
| const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type); |
| |
| // Mojo does not currently support any key systems. |
| if (!key_system.isEmpty()) |
| return IsNotSupported; |
| |
| std::vector<std::string> codec_vector; |
| media::ParseCodecString(ToASCIIOrEmpty(codecs), &codec_vector, false); |
| return static_cast<WebMimeRegistry::SupportsType>( |
| media::IsSupportedMediaFormat(mime_type_ascii, codec_vector)); |
| } |
| |
| bool WebMimeRegistryImpl::supportsMediaSourceMIMEType( |
| const blink::WebString& mime_type, |
| const blink::WebString& codecs) { |
| const std::string mime_type_ascii = ToASCIIOrEmpty(mime_type); |
| if (mime_type_ascii.empty()) |
| return false; |
| |
| std::vector<std::string> parsed_codec_ids; |
| media::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codec_ids, false); |
| return media::StreamParserFactory::IsTypeSupported(mime_type_ascii, |
| parsed_codec_ids); |
| } |
| |
| blink::WebMimeRegistry::SupportsType |
| WebMimeRegistryImpl::supportsNonImageMIMEType( |
| const blink::WebString& mime_type) { |
| return mime_util::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type)) |
| ? blink::WebMimeRegistry::IsSupported |
| : blink::WebMimeRegistry::IsNotSupported; |
| } |
| |
| blink::WebString WebMimeRegistryImpl::mimeTypeForExtension( |
| const blink::WebString& file_extension) { |
| std::string mime_type; |
| net::GetMimeTypeFromExtension( |
| base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type); |
| return blink::WebString::fromUTF8(mime_type); |
| } |
| |
| blink::WebString WebMimeRegistryImpl::wellKnownMimeTypeForExtension( |
| const blink::WebString& file_extension) { |
| std::string mime_type; |
| net::GetWellKnownMimeTypeFromExtension( |
| base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type); |
| return blink::WebString::fromUTF8(mime_type); |
| } |
| |
| } // namespace html_viewer |