Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "nsWebNavigationInfo.h"
#include "nsServiceManagerUtils.h"
#include "nsIDocumentLoaderFactory.h"
#include "nsContentUtils.h"
#include "imgLoader.h"
NS_IMPL_ISUPPORTS(nsWebNavigationInfo, nsIWebNavigationInfo)
NS_IMETHODIMP
nsWebNavigationInfo::IsTypeSupported(const nsACString& aType,
uint32_t* aIsTypeSupported) {
MOZ_ASSERT(aIsTypeSupported, "null out param?");
*aIsTypeSupported = IsTypeSupported(aType);
return NS_OK;
}
uint32_t nsWebNavigationInfo::IsTypeSupported(const nsACString& aType) {
// We want to claim that the type for PDF documents is unsupported,
// so that the internal PDF viewer's stream converted will get used.
if (aType.LowerCaseEqualsLiteral("application/pdf") &&
nsContentUtils::IsPDFJSEnabled()) {
return nsIWebNavigationInfo::UNSUPPORTED;
}
const nsCString& flatType = PromiseFlatCString(aType);
return IsTypeSupportedInternal(flatType);
}
uint32_t nsWebNavigationInfo::IsTypeSupportedInternal(const nsCString& aType) {
nsContentUtils::DocumentViewerType vtype = nsContentUtils::TYPE_UNSUPPORTED;
nsCOMPtr<nsIDocumentLoaderFactory> docLoaderFactory =
nsContentUtils::FindInternalDocumentViewer(aType, &vtype);
switch (vtype) {
case nsContentUtils::TYPE_UNSUPPORTED:
return nsIWebNavigationInfo::UNSUPPORTED;
case nsContentUtils::TYPE_FALLBACK:
return nsIWebNavigationInfo::FALLBACK;
case nsContentUtils::TYPE_UNKNOWN:
return nsIWebNavigationInfo::OTHER;
case nsContentUtils::TYPE_CONTENT:
// XXXbz we only need this because images register for the same
// contractid as documents, so we can't tell them apart based on
// contractid.
if (imgLoader::SupportImageWithMimeType(aType)) {
return nsIWebNavigationInfo::IMAGE;
}
return nsIWebNavigationInfo::OTHER;
}
return nsIWebNavigationInfo::UNSUPPORTED;
}