gecko-dev/dom/file/nsHostObjectURI.h

124 строки
3.5 KiB
C++

/* -*- 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsHostObjectURI_h
#define nsHostObjectURI_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/File.h"
#include "nsCOMPtr.h"
#include "nsIClassInfo.h"
#include "nsIPrincipal.h"
#include "nsISerializable.h"
#include "nsIURIWithBlobImpl.h"
#include "nsIURIWithPrincipal.h"
#include "nsSimpleURI.h"
#include "nsIIPCSerializableURI.h"
#include "nsWeakReference.h"
/**
* These URIs refer to host objects: Blobs, with scheme "blob",
* MediaStreams, with scheme "mediastream", and MediaSources, with scheme
* "mediasource".
*/
class nsHostObjectURI : public mozilla::net::nsSimpleURI
, public nsIURIWithPrincipal
, public nsIURIWithBlobImpl
, public nsSupportsWeakReference
{
public:
nsHostObjectURI(nsIPrincipal* aPrincipal,
mozilla::dom::BlobImpl* aBlobImpl)
: mozilla::net::nsSimpleURI()
, mPrincipal(aPrincipal)
, mBlobImpl(aBlobImpl)
{}
// For use only from deserialization
nsHostObjectURI() : mozilla::net::nsSimpleURI() {}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIURIWITHBLOBIMPL
NS_DECL_NSIURIWITHPRINCIPAL
NS_DECL_NSISERIALIZABLE
NS_DECL_NSICLASSINFO
NS_DECL_NSIIPCSERIALIZABLEURI
NS_IMETHOD SetScheme(const nsACString &aProtocol) override;
// Override CloneInternal() and EqualsInternal()
virtual nsresult CloneInternal(RefHandlingEnum aRefHandlingMode,
const nsACString& newRef,
nsIURI** aClone) override;
virtual nsresult EqualsInternal(nsIURI* aOther,
RefHandlingEnum aRefHandlingMode,
bool* aResult) override;
// Override StartClone to hand back a nsHostObjectURI
virtual mozilla::net::nsSimpleURI* StartClone(RefHandlingEnum refHandlingMode,
const nsACString& newRef) override
{
nsHostObjectURI* url = new nsHostObjectURI();
SetRefOnClone(url, refHandlingMode, newRef);
return url;
}
NS_IMETHOD Mutate(nsIURIMutator * *_retval) override;
void ForgetBlobImpl();
nsCOMPtr<nsIPrincipal> mPrincipal;
RefPtr<mozilla::dom::BlobImpl> mBlobImpl;
protected:
virtual ~nsHostObjectURI() {}
public:
class Mutator
: public nsIURIMutator
, public BaseURIMutator<nsHostObjectURI>
, public nsIBlobURIMutator
, public nsIPrincipalURIMutator
{
NS_DECL_ISUPPORTS
NS_FORWARD_SAFE_NSIURISETTERS_RET(mURI)
NS_DEFINE_NSIMUTATOR_COMMON
MOZ_MUST_USE NS_IMETHOD
SetBlobImpl(mozilla::dom::BlobImpl *aBlobImpl) override
{
if (!mURI) {
return NS_ERROR_NULL_POINTER;
}
mURI->mBlobImpl = aBlobImpl;
return NS_OK;
}
MOZ_MUST_USE NS_IMETHOD
SetPrincipal(nsIPrincipal *aPrincipal) override
{
if (!mURI) {
return NS_ERROR_NULL_POINTER;
}
mURI->mPrincipal = aPrincipal;
return NS_OK;
}
explicit Mutator() { }
private:
virtual ~Mutator() { }
friend class nsHostObjectURI;
};
};
#define NS_HOSTOBJECTURI_CID \
{ 0xf5475c51, 0x59a7, 0x4757, \
{ 0xb3, 0xd9, 0xe2, 0x11, 0xa9, 0x41, 0x08, 0x72 } }
#endif /* nsHostObjectURI_h */