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// Copyright (c) 2010 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 "webkit/glue/simple_webmimeregistry_impl.h"
#include "base/string_util.h"
#include "base/sys_string_conversions.h"
#include "base/utf_string_conversions.h"
#include "net/base/mime_util.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebString;
using WebKit::WebMimeRegistry;
namespace {
// Convert a WebString to ASCII, falling back on an empty string in the case
// of a non-ASCII string.
std::string ToASCIIOrEmpty(const WebString& string) {
if (!IsStringASCII(string))
return std::string();
return UTF16ToASCII(string);
}
} // namespace
namespace webkit_glue {
WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMIMEType(
const WebString& mime_type) {
if (!net::IsSupportedMimeType(ToASCIIOrEmpty(mime_type).c_str()))
return WebMimeRegistry::IsNotSupported;
return WebMimeRegistry::IsSupported;
}
WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsImageMIMEType(
const WebString& mime_type) {
if (!net::IsSupportedImageMimeType(ToASCIIOrEmpty(mime_type).c_str()))
return WebMimeRegistry::IsNotSupported;
return WebMimeRegistry::IsSupported;
}
WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsJavaScriptMIMEType(
const WebString& mime_type) {
if (!net::IsSupportedJavascriptMimeType(ToASCIIOrEmpty(mime_type).c_str()))
return WebMimeRegistry::IsNotSupported;
return WebMimeRegistry::IsSupported;
}
WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMediaMIMEType(
const WebString& mime_type, const WebString& codecs) {
// Not supporting the container is a flat-out no.
if (!net::IsSupportedMediaMimeType(ToASCIIOrEmpty(mime_type).c_str()))
return IsNotSupported;
// Check list of strict codecs to see if it is supported.
if (net::IsStrictMediaMimeType(ToASCIIOrEmpty(mime_type).c_str())) {
// We support the container, but no codecs were specified.
if (codecs.isNull())
return MayBeSupported;
// Check if the codecs are a perfect match.
std::vector<std::string> strict_codecs;
net::ParseCodecString(ToASCIIOrEmpty(codecs).c_str(),
&strict_codecs,
false);
if (!net::IsSupportedStrictMediaMimeType(ToASCIIOrEmpty(mime_type).c_str(),
strict_codecs))
return IsNotSupported;
// Good to go!
return IsSupported;
}
// If we don't recognize the codec, it's possible we support it.
std::vector<std::string> parsed_codecs;
net::ParseCodecString(ToASCIIOrEmpty(codecs).c_str(), &parsed_codecs, true);
if (!net::AreSupportedMediaCodecs(parsed_codecs))
return MayBeSupported;
// Otherwise we have a perfect match.
return IsSupported;
}
WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsNonImageMIMEType(
const WebString& mime_type) {
if (!net::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type).c_str()))
return WebMimeRegistry::IsNotSupported;
return WebMimeRegistry::IsSupported;
}
WebString SimpleWebMimeRegistryImpl::mimeTypeForExtension(
const WebString& file_extension) {
std::string mime_type;
net::GetMimeTypeFromExtension(
WebStringToFilePathString(file_extension), &mime_type);
return ASCIIToUTF16(mime_type);
}
WebString SimpleWebMimeRegistryImpl::mimeTypeFromFile(
const WebString& file_path) {
std::string mime_type;
net::GetMimeTypeFromFile(
FilePath(WebStringToFilePathString(file_path)), &mime_type);
return ASCIIToUTF16(mime_type);
}
WebString SimpleWebMimeRegistryImpl::preferredExtensionForMIMEType(
const WebString& mime_type) {
FilePath::StringType file_extension;
net::GetPreferredExtensionForMimeType(ToASCIIOrEmpty(mime_type),
&file_extension);
return FilePathStringToWebString(file_extension);
}
} // namespace webkit_glue
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