blob: 0b7b689393fafa9eb356646caa8aa924eda1670b [file] [log] [blame]
// 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 "mojo/services/html_viewer/webmimeregistry_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 "media/base/key_systems.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(string)
: std::string();
}
} // namespace
blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsMIMEType(
const blink::WebString& mime_type) {
return net::IsSupportedMimeType(ToASCIIOrEmpty(mime_type)) ?
blink::WebMimeRegistry::IsSupported :
blink::WebMimeRegistry::IsNotSupported;
}
blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsImageMIMEType(
const blink::WebString& mime_type) {
return net::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 (net::IsSupportedImageMimeType(ascii_mime_type) ||
(StartsWithASCII(ascii_mime_type, "image/", true) &&
net::IsSupportedNonImageMimeType(ascii_mime_type)))
? WebMimeRegistry::IsSupported
: WebMimeRegistry::IsNotSupported;
}
blink::WebMimeRegistry::SupportsType
WebMimeRegistryImpl::supportsJavaScriptMIMEType(
const blink::WebString& mime_type) {
return net::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);
// Not supporting the container is a flat-out no.
if (!net::IsSupportedMediaMimeType(mime_type_ascii))
return IsNotSupported;
// Mojo does not currently support any key systems.
if (!key_system.isEmpty())
return IsNotSupported;
// Check list of strict codecs to see if it is supported.
if (net::IsStrictMediaMimeType(mime_type_ascii)) {
// Check if the codecs are a perfect match.
std::vector<std::string> strict_codecs;
net::ParseCodecString(ToASCIIOrEmpty(codecs), &strict_codecs, false);
return static_cast<WebMimeRegistry::SupportsType>(
net::IsSupportedStrictMediaMimeType(mime_type_ascii, strict_codecs));
}
// If we don't recognize the codec, it's possible we support it.
std::vector<std::string> parsed_codecs;
net::ParseCodecString(ToASCIIOrEmpty(codecs), &parsed_codecs, true);
if (!net::AreSupportedMediaCodecs(parsed_codecs))
return MayBeSupported;
// Otherwise we have a perfect match.
return IsSupported;
}
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;
net::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 net::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type)) ?
blink::WebMimeRegistry::IsSupported :
blink::WebMimeRegistry::IsNotSupported;
}
blink::WebString WebMimeRegistryImpl::mimeTypeForExtension(
const blink::WebString& file_extension) {
NOTIMPLEMENTED();
return blink::WebString();
}
blink::WebString WebMimeRegistryImpl::wellKnownMimeTypeForExtension(
const blink::WebString& file_extension) {
NOTIMPLEMENTED();
return blink::WebString();
}
blink::WebString WebMimeRegistryImpl::mimeTypeFromFile(
const blink::WebString& file_path) {
NOTIMPLEMENTED();
return blink::WebString();
}
} // namespace html_viewer