forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			64 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			64 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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| 
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| #include "nsWebNavigationInfo.h"
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| 
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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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| 
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| NS_IMPL_ISUPPORTS(nsWebNavigationInfo, nsIWebNavigationInfo)
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| 
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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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| 
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|   *aIsTypeSupported = IsTypeSupported(aType);
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|   return NS_OK;
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| }
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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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| 
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|   const nsCString& flatType = PromiseFlatCString(aType);
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|   return IsTypeSupportedInternal(flatType);
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| }
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| 
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| uint32_t nsWebNavigationInfo::IsTypeSupportedInternal(const nsCString& aType) {
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|   nsContentUtils::ContentViewerType vtype = nsContentUtils::TYPE_UNSUPPORTED;
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| 
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|   nsCOMPtr<nsIDocumentLoaderFactory> docLoaderFactory =
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|       nsContentUtils::FindInternalContentViewer(aType, &vtype);
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| 
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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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| 
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|     case nsContentUtils::TYPE_FALLBACK:
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|       return nsIWebNavigationInfo::FALLBACK;
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| 
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|     case nsContentUtils::TYPE_UNKNOWN:
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|       return nsIWebNavigationInfo::OTHER;
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| 
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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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| 
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|   return nsIWebNavigationInfo::UNSUPPORTED;
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| }
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