1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "nsWebNavigationInfo.h"
9 #include "nsServiceManagerUtils.h"
10 #include "nsIDocumentLoaderFactory.h"
11 #include "nsContentUtils.h"
12 #include "imgLoader.h"
14 NS_IMPL_ISUPPORTS(nsWebNavigationInfo
, nsIWebNavigationInfo
)
17 nsWebNavigationInfo::IsTypeSupported(const nsACString
& aType
,
18 uint32_t* aIsTypeSupported
) {
19 MOZ_ASSERT(aIsTypeSupported
, "null out param?");
21 *aIsTypeSupported
= IsTypeSupported(aType
);
25 uint32_t nsWebNavigationInfo::IsTypeSupported(const nsACString
& aType
) {
26 // We want to claim that the type for PDF documents is unsupported,
27 // so that the internal PDF viewer's stream converted will get used.
28 if (aType
.LowerCaseEqualsLiteral("application/pdf") &&
29 nsContentUtils::IsPDFJSEnabled()) {
30 return nsIWebNavigationInfo::UNSUPPORTED
;
33 const nsCString
& flatType
= PromiseFlatCString(aType
);
34 return IsTypeSupportedInternal(flatType
);
37 uint32_t nsWebNavigationInfo::IsTypeSupportedInternal(const nsCString
& aType
) {
38 nsContentUtils::DocumentViewerType vtype
= nsContentUtils::TYPE_UNSUPPORTED
;
40 nsCOMPtr
<nsIDocumentLoaderFactory
> docLoaderFactory
=
41 nsContentUtils::FindInternalDocumentViewer(aType
, &vtype
);
44 case nsContentUtils::TYPE_UNSUPPORTED
:
45 return nsIWebNavigationInfo::UNSUPPORTED
;
47 case nsContentUtils::TYPE_FALLBACK
:
48 return nsIWebNavigationInfo::FALLBACK
;
50 case nsContentUtils::TYPE_UNKNOWN
:
51 return nsIWebNavigationInfo::OTHER
;
53 case nsContentUtils::TYPE_CONTENT
:
54 // XXXbz we only need this because images register for the same
55 // contractid as documents, so we can't tell them apart based on
57 if (imgLoader::SupportImageWithMimeType(aType
)) {
58 return nsIWebNavigationInfo::IMAGE
;
60 return nsIWebNavigationInfo::OTHER
;
63 return nsIWebNavigationInfo::UNSUPPORTED
;