Chrome side to implement WebMimeRegistry.

webkit/glue/simple_webmimeregistry_impl.cc

+// Copyright (c) 2009 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.
+
+// TODO(darin): This include should not be necessary, but for some reason the
+// Mac build requires it.
+#include "config.h"
+
+#include "webkit/glue/simple_webmimeregistry_impl.h"
+
+#include "WebString.h"
+
+#include "base/string_util.h"
+#include "base/sys_string_conversions.h"
+#include "net/base/mime_util.h"
+#include "webkit/glue/glue_util.h"
+
+using WebKit::WebString;
+
+namespace webkit_glue {
+
+bool SimpleWebMimeRegistryImpl::supportsImageMIMEType(
+    const WebString& mime_type) {
+  return net::IsSupportedImageMimeType(UTF16ToASCII(mime_type).c_str());
+}
+
+bool SimpleWebMimeRegistryImpl::supportsJavaScriptMIMEType(
+    const WebString& mime_type) {
+  return net::IsSupportedJavascriptMimeType(UTF16ToASCII(mime_type).c_str());
+}
+
+bool SimpleWebMimeRegistryImpl::supportsNonImageMIMEType(
+    const WebString& mime_type) {
+  return net::IsSupportedNonImageMimeType(UTF16ToASCII(mime_type).c_str());
+}
+
+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(UTF16ToASCII(mime_type),
+                                        &file_extension);
+  return FilePathStringToWebString(file_extension);
+}
+
+}  // namespace webkit_glue