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