gecko/content/base/public/nsHostObjectProtocolHandler.h

85 lines
2.7 KiB
C++

/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsHostObjectProtocolHandler_h
#define nsHostObjectProtocolHandler_h
#include "mozilla/Attributes.h"
#include "nsIProtocolHandler.h"
#include "nsIURI.h"
#include "nsCOMPtr.h"
#define BLOBURI_SCHEME "blob"
#define MEDIASTREAMURI_SCHEME "mediastream"
class nsIDOMBlob;
class nsIDOMMediaStream;
class nsIPrincipal;
class nsIInputStream;
class nsHostObjectProtocolHandler : public nsIProtocolHandler
{
public:
virtual ~nsHostObjectProtocolHandler() {}
NS_DECL_ISUPPORTS
// nsIProtocolHandler methods, except for GetScheme which is only defined
// in subclasses.
NS_IMETHOD GetDefaultPort(int32_t *aDefaultPort) MOZ_OVERRIDE;
NS_IMETHOD GetProtocolFlags(uint32_t *aProtocolFlags) MOZ_OVERRIDE;
NS_IMETHOD NewURI(const nsACString & aSpec, const char * aOriginCharset, nsIURI *aBaseURI, nsIURI * *_retval) MOZ_OVERRIDE;
NS_IMETHOD NewChannel(nsIURI *aURI, nsIChannel * *_retval) MOZ_OVERRIDE;
NS_IMETHOD AllowPort(int32_t port, const char * scheme, bool *_retval) MOZ_OVERRIDE;
// Methods for managing uri->object mapping
// AddDataEntry creates the URI with the given scheme and returns it in aUri
static nsresult AddDataEntry(const nsACString& aScheme,
nsISupports* aObject,
nsIPrincipal* aPrincipal,
nsACString& aUri);
static void RemoveDataEntry(const nsACString& aUri);
static nsIPrincipal* GetDataEntryPrincipal(const nsACString& aUri);
static void Traverse(const nsACString& aUri, nsCycleCollectionTraversalCallback& aCallback);
};
class nsBlobProtocolHandler : public nsHostObjectProtocolHandler
{
public:
NS_IMETHOD GetScheme(nsACString &result) MOZ_OVERRIDE;
};
class nsMediaStreamProtocolHandler : public nsHostObjectProtocolHandler
{
public:
NS_IMETHOD GetScheme(nsACString &result) MOZ_OVERRIDE;
};
inline bool IsBlobURI(nsIURI* aUri)
{
bool isBlob;
return NS_SUCCEEDED(aUri->SchemeIs(BLOBURI_SCHEME, &isBlob)) && isBlob;
}
inline bool IsMediaStreamURI(nsIURI* aUri)
{
bool isStream;
return NS_SUCCEEDED(aUri->SchemeIs(MEDIASTREAMURI_SCHEME, &isStream)) && isStream;
}
extern nsresult
NS_GetStreamForBlobURI(nsIURI* aURI, nsIInputStream** aStream);
extern nsresult
NS_GetStreamForMediaStreamURI(nsIURI* aURI, nsIDOMMediaStream** aStream);
#define NS_BLOBPROTOCOLHANDLER_CID \
{ 0xb43964aa, 0xa078, 0x44b2, \
{ 0xb0, 0x6b, 0xfd, 0x4d, 0x1b, 0x17, 0x2e, 0x66 } }
#define NS_MEDIASTREAMPROTOCOLHANDLER_CID \
{ 0x27d1fa24, 0x2b73, 0x4db3, \
{ 0xab, 0x48, 0xb9, 0x83, 0x83, 0x40, 0xe0, 0x81 } }
#endif /* nsHostObjectProtocolHandler_h */