simple_webmimeregistry_impl.cc revision 010d83a9304c5a91596085d917d248abff47903a
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 "content/child/simple_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
14using blink::WebString;
15using blink::WebMimeRegistry;
16
17namespace content {
18
19//static
20std::string SimpleWebMimeRegistryImpl::ToASCIIOrEmpty(const WebString& string) {
21  return base::IsStringASCII(string) ? base::UTF16ToASCII(string)
22                                     : std::string();
23}
24
25WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMIMEType(
26    const WebString& mime_type) {
27  return net::IsSupportedMimeType(ToASCIIOrEmpty(mime_type)) ?
28      WebMimeRegistry::IsSupported : WebMimeRegistry::IsNotSupported;
29}
30
31WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsImageMIMEType(
32    const WebString& mime_type) {
33  return net::IsSupportedImageMimeType(ToASCIIOrEmpty(mime_type)) ?
34      WebMimeRegistry::IsSupported : WebMimeRegistry::IsNotSupported;
35}
36
37WebMimeRegistry::SupportsType
38    SimpleWebMimeRegistryImpl::supportsJavaScriptMIMEType(
39    const WebString& mime_type) {
40  return net::IsSupportedJavascriptMimeType(ToASCIIOrEmpty(mime_type)) ?
41      WebMimeRegistry::IsSupported : WebMimeRegistry::IsNotSupported;
42}
43
44// When debugging layout tests failures in the test shell,
45// see TestShellWebMimeRegistryImpl.
46WebMimeRegistry::SupportsType SimpleWebMimeRegistryImpl::supportsMediaMIMEType(
47    const WebString& mime_type,
48    const WebString& codecs,
49    const WebString& key_system) {
50  // Media features are only supported at the content/renderer/ layer.
51  return IsNotSupported;
52}
53
54bool SimpleWebMimeRegistryImpl::supportsMediaSourceMIMEType(
55    const WebString& mime_type,
56    const WebString& codecs) {
57  // Media features are only supported at the content/renderer layer.
58  return false;
59}
60
61bool SimpleWebMimeRegistryImpl::supportsEncryptedMediaMIMEType(
62    const blink::WebString& key_system,
63    const blink::WebString& mime_type,
64    const blink::WebString& codecs) {
65  // Media features are only supported at the content/renderer layer.
66  return false;
67}
68
69WebMimeRegistry::SupportsType
70    SimpleWebMimeRegistryImpl::supportsNonImageMIMEType(
71    const WebString& mime_type) {
72  return net::IsSupportedNonImageMimeType(ToASCIIOrEmpty(mime_type)) ?
73      WebMimeRegistry::IsSupported : WebMimeRegistry::IsNotSupported;
74}
75
76WebString SimpleWebMimeRegistryImpl::mimeTypeForExtension(
77    const WebString& file_extension) {
78  std::string mime_type;
79  net::GetMimeTypeFromExtension(
80      base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type);
81  return WebString::fromUTF8(mime_type);
82}
83
84WebString SimpleWebMimeRegistryImpl::wellKnownMimeTypeForExtension(
85    const WebString& file_extension) {
86  std::string mime_type;
87  net::GetWellKnownMimeTypeFromExtension(
88      base::FilePath::FromUTF16Unsafe(file_extension).value(), &mime_type);
89  return WebString::fromUTF8(mime_type);
90}
91
92WebString SimpleWebMimeRegistryImpl::mimeTypeFromFile(
93    const WebString& file_path) {
94  std::string mime_type;
95  net::GetMimeTypeFromFile(base::FilePath::FromUTF16Unsafe(file_path),
96                           &mime_type);
97  return WebString::fromUTF8(mime_type);
98}
99
100}  // namespace content
101