mojo/services/html_viewer/webmimeregistry_impl.cc

   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 "mojo/services/html_viewer/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 "net/base/mime_util.h"
  12 #include "third_party/WebKit/public/platform/WebString.h"
  13
  14 namespace mojo {
  15 namespace {
  16
  17 std::string ToASCIIOrEmpty(const blink::WebString& string) {
  18   return base::IsStringASCII(string) ? base::UTF16ToASCII(string)
  19                                      : std::string();
  20 }
  21
  22 }  // namespace
  23
  24 blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsMIMEType(
  25     const blink::WebString& mime_type) {
  26   return net::IsSupportedMimeType(ToASCIIOrEmpty(mime_type)) ?
  27       blink::WebMimeRegistry::IsSupported :
  28       blink::WebMimeRegistry::IsNotSupported;
  29 }
  30
  31 blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsImageMIMEType(
  32     const blink::WebString& mime_type) {
  33   return net::IsSupportedImageMimeType(ToASCIIOrEmpty(mime_type)) ?
  34       blink::WebMimeRegistry::IsSupported :
  35       blink::WebMimeRegistry::IsNotSupported;
  36 }
  37
  38 blink::WebMimeRegistry::SupportsType
  39 WebMimeRegistryImpl::supportsImagePrefixedMIMEType(
  40     const blink::WebString& mime_type) {
  41   std::string ascii_mime_type = ToASCIIOrEmpty(mime_type);
  42   return (net::IsSupportedImageMimeType(ascii_mime_type) ||
  43           (StartsWithASCII(ascii_mime_type, "image/", true) &&
  44            net::IsSupportedNonImageMimeType(ascii_mime_type)))
  45              ? WebMimeRegistry::IsSupported
  46              : WebMimeRegistry::IsNotSupported;
  47 }
  48
  49 blink::WebMimeRegistry::SupportsType
  50     WebMimeRegistryImpl::supportsJavaScriptMIMEType(
  51     const blink::WebString& mime_type) {
  52   return net::IsSupportedJavascriptMimeType(ToASCIIOrEmpty(mime_type)) ?
  53       blink::WebMimeRegistry::IsSupported :
  54       blink::WebMimeRegistry::IsNotSupported;
  55 }
  56
  57 blink::WebMimeRegistry::SupportsType WebMimeRegistryImpl::supportsMediaMIMEType(
  58     const blink::WebString& mime_type,
  59     const blink::WebString& codecs,
  60     const blink::WebString& key_system) {
  61   NOTIMPLEMENTED();
  62   return IsNotSupported;
  63 }
  64
  65 bool WebMimeRegistryImpl::supportsMediaSourceMIMEType(
  66     const blink::WebString& mime_type,
  67     const blink::WebString& codecs) {
  68   NOTIMPLEMENTED();
  69   return false;
  70 }
  71
  72 bool WebMimeRegistryImpl::supportsEncryptedMediaMIMEType(
  73     const blink::WebString& key_system,
  74     const blink::WebString& mime_type,
  75     const blink::WebString& codecs) {
  76   NOTIMPLEMENTED();
  77   return false;
  78 }
  79
  80 blink::WebMimeRegistry::SupportsType
  81     WebMimeRegistryImpl::supportsNonImageMIMEType(
  82     const blink::WebString& mime_type) {
  83   return net::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type)) ?
  84       blink::WebMimeRegistry::IsSupported :
  85       blink::WebMimeRegistry::IsNotSupported;
  86 }
  87
  88 blink::WebString WebMimeRegistryImpl::mimeTypeForExtension(
  89     const blink::WebString& file_extension) {
  90   NOTIMPLEMENTED();
  91   return blink::WebString();
  92 }
  93
  94 blink::WebString WebMimeRegistryImpl::wellKnownMimeTypeForExtension(
  95     const blink::WebString& file_extension) {
  96   NOTIMPLEMENTED();
  97   return blink::WebString();
  98 }
  99
 100 blink::WebString WebMimeRegistryImpl::mimeTypeFromFile(
 101     const blink::WebString& file_path) {
 102   NOTIMPLEMENTED();
 103   return blink::WebString();
 104 }
 105
 106 }  // namespace mojo