405 lines
17 KiB
C
405 lines
17 KiB
C
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/*
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* DO NOT EDIT. THIS FILE IS GENERATED FROM c:/mozilla/netwerk/base/public/nsIChannel.idl
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*/
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#ifndef __gen_nsIChannel_h__
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#define __gen_nsIChannel_h__
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#ifndef __gen_nsIRequest_h__
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#include "nsIRequest.h"
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#endif
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/* For IDL files that don't want to include root IDL files. */
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#ifndef NS_NO_VTABLE
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#define NS_NO_VTABLE
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#endif
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class nsIURI; /* forward declaration */
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class nsIInterfaceRequestor; /* forward declaration */
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class nsIInputStream; /* forward declaration */
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class nsIStreamListener; /* forward declaration */
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/* starting interface: nsIChannel */
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#define NS_ICHANNEL_IID_STR "c63a055a-a676-4e71-bf3c-6cfa11082018"
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#define NS_ICHANNEL_IID \
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{0xc63a055a, 0xa676, 0x4e71, \
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{ 0xbf, 0x3c, 0x6c, 0xfa, 0x11, 0x08, 0x20, 0x18 }}
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/**
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* The nsIChannel interface allows clients to construct "GET" requests for
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* specific protocols, and manage them in a uniform way. Once a channel is
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* created (via nsIIOService::newChannel), parameters for that request may
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* be set by using the channel attributes, or by QI'ing to a subclass of
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* nsIChannel for protocol-specific parameters. Then, the URI can be fetched
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* by calling nsIChannel::open or nsIChannel::asyncOpen.
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*
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* After a request has been completed, the channel is still valid for accessing
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* protocol-specific results. For example, QI'ing to nsIHttpChannel allows
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* response headers to be retrieved for the corresponding http transaction.
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*
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* @status FROZEN
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*/
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class NS_NO_VTABLE nsIChannel : public nsIRequest {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICHANNEL_IID)
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/**
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* The original URI used to construct the channel. This is used in the case
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* of a redirect or URI "resolution" (e.g. resolving a resource: URI to a
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* file: URI) so that the original pre-redirect URI can still be obtained.
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*
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* NOTE: this is distinctly different from the http Referer (referring URI),
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* which is typically the page that contained the original URI (accessible
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* from nsIHttpChannel).
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*/
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/* attribute nsIURI originalURI; */
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NS_IMETHOD GetOriginalURI(nsIURI * *aOriginalURI) = 0;
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NS_IMETHOD SetOriginalURI(nsIURI * aOriginalURI) = 0;
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/**
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* The URI corresponding to the channel. Its value is immutable.
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*/
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/* readonly attribute nsIURI URI; */
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NS_IMETHOD GetURI(nsIURI * *aURI) = 0;
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/**
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* The owner, corresponding to the entity that is responsible for this
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* channel. Used by the security manager to grant or deny privileges to
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* mobile code loaded from this channel.
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*
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* NOTE: this is a strong reference to the owner, so if the owner is also
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* holding a strong reference to the channel, care must be taken to
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* explicitly drop its reference to the channel.
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*/
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/* attribute nsISupports owner; */
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NS_IMETHOD GetOwner(nsISupports * *aOwner) = 0;
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NS_IMETHOD SetOwner(nsISupports * aOwner) = 0;
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/**
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* The notification callbacks for the channel. This is set by clients, who
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* wish to provide a means to receive progress, status and protocol-specific
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* notifications. If this value is NULL, the channel implementation may use
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* the notification callbacks from its load group. The channel may also
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* query the notification callbacks from its load group if its notification
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* callbacks do not supply the requested interface.
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*
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* Interfaces commonly requested include: nsIProgressEventSink, nsIPrompt,
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* and nsIAuthPrompt.
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*
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* When the channel is done, it must not continue holding references to
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* this object.
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*
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* NOTE: A channel implementation should take care when "caching" an
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* interface pointer queried from its notification callbacks. If the
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* notification callbacks are changed, then a cached interface pointer may
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* become invalid and may therefore need to be re-queried.
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*/
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/* attribute nsIInterfaceRequestor notificationCallbacks; */
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NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks) = 0;
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NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks) = 0;
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/**
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* Transport-level security information (if any) corresponding to the channel.
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*/
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/* readonly attribute nsISupports securityInfo; */
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NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo) = 0;
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/**
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* The MIME type of the channel's content if available.
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*
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* NOTE: the content type can often be wrongly specified (e.g., wrong file
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* extension, wrong MIME type, wrong document type stored on a server, etc.),
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* and the caller most likely wants to verify with the actual data.
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*
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* Setting contentType before the channel has been opened provides a hint
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* to the channel as to what the MIME type is. The channel may ignore this
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* hint in deciding on the actual MIME type that it will report.
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*
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* Setting contentType after onStartRequest has been fired or after open()
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* is called will override the type determined by the channel.
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*
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* Setting contentType between the time that asyncOpen() is called and the
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* time when onStartRequest is fired has undefined behavior at this time.
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*
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* The value of the contentType attribute is a lowercase string. A value
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* assigned to this attribute will be parsed and normalized as follows:
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* 1- any parameters (delimited with a ';') will be stripped.
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* 2- if a charset parameter is given, then its value will replace the
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* the contentCharset attribute of the channel.
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* 3- the stripped contentType will be lowercased.
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* Any implementation of nsIChannel must follow these rules.
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*/
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/* attribute ACString contentType; */
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NS_IMETHOD GetContentType(nsACString & aContentType) = 0;
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NS_IMETHOD SetContentType(const nsACString & aContentType) = 0;
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/**
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* The character set of the channel's content if available and if applicable.
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* This attribute only applies to textual data.
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*
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* The value of the contentCharset attribute is a mixedcase string.
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*/
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/* attribute ACString contentCharset; */
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NS_IMETHOD GetContentCharset(nsACString & aContentCharset) = 0;
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NS_IMETHOD SetContentCharset(const nsACString & aContentCharset) = 0;
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/**
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* The length of the data associated with the channel if available. A value
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* of -1 indicates that the content length is unknown.
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*
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* Callers should prefer getting the "content-length" property
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* as 64-bit value by QIing the channel to nsIPropertyBag2,
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* if that interface is exposed by the channel.
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*/
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/* attribute long contentLength; */
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NS_IMETHOD GetContentLength(PRInt32 *aContentLength) = 0;
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NS_IMETHOD SetContentLength(PRInt32 aContentLength) = 0;
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/**
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* Synchronously open the channel.
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*
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* @return blocking input stream to the channel's data.
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*
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* NOTE: nsIChannel implementations are not required to implement this
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* method. Moreover, since this method may block the calling thread, it
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* should not be called on a thread that processes UI events.
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*/
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/* nsIInputStream open (); */
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NS_IMETHOD Open(nsIInputStream **_retval) = 0;
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/**
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* Asynchronously open this channel. Data is fed to the specified stream
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* listener as it becomes available. The stream listener's methods are
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* called on the thread that calls asyncOpen and are not called until
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* after asyncOpen returns.
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*
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* @param aListener the nsIStreamListener implementation
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* @param aContext an opaque parameter forwarded to aListener's methods
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*/
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/* void asyncOpen (in nsIStreamListener aListener, in nsISupports aContext); */
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NS_IMETHOD AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext) = 0;
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/**************************************************************************
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* Channel specific load flags:
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*
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* Bits 21-31 are reserved for future use by this interface or one of its
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* derivatives (e.g., see nsICachingChannel).
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*/
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/**
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* Set (e.g., by the docshell) to indicate whether or not the channel
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* corresponds to a document URI.
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*/
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enum { LOAD_DOCUMENT_URI = 65536U };
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/**
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* If the end consumer for this load has been retargeted after discovering
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* it's content, this flag will be set:
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*/
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enum { LOAD_RETARGETED_DOCUMENT_URI = 131072U };
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/**
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* This flag is set to indicate that onStopRequest may be followed by
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* another onStartRequest/onStopRequest pair. This flag is, for example,
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* used by the multipart/replace stream converter.
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*/
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enum { LOAD_REPLACE = 262144U };
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/**
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* Set (e.g., by the docshell) to indicate whether or not the channel
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* corresponds to an initial document URI load (e.g., link click).
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*/
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enum { LOAD_INITIAL_DOCUMENT_URI = 524288U };
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/**
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* Set (e.g., by the URILoader) to indicate whether or not the end consumer
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* for this load has been determined.
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*/
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enum { LOAD_TARGETED = 1048576U };
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};
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/* Use this macro when declaring classes that implement this interface. */
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#define NS_DECL_NSICHANNEL \
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NS_IMETHOD GetOriginalURI(nsIURI * *aOriginalURI); \
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NS_IMETHOD SetOriginalURI(nsIURI * aOriginalURI); \
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NS_IMETHOD GetURI(nsIURI * *aURI); \
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NS_IMETHOD GetOwner(nsISupports * *aOwner); \
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NS_IMETHOD SetOwner(nsISupports * aOwner); \
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NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks); \
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NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks); \
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NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo); \
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NS_IMETHOD GetContentType(nsACString & aContentType); \
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NS_IMETHOD SetContentType(const nsACString & aContentType); \
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NS_IMETHOD GetContentCharset(nsACString & aContentCharset); \
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NS_IMETHOD SetContentCharset(const nsACString & aContentCharset); \
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NS_IMETHOD GetContentLength(PRInt32 *aContentLength); \
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NS_IMETHOD SetContentLength(PRInt32 aContentLength); \
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NS_IMETHOD Open(nsIInputStream **_retval); \
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NS_IMETHOD AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext); \
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/* Use this macro to declare functions that forward the behavior of this interface to another object. */
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#define NS_FORWARD_NSICHANNEL(_to) \
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NS_IMETHOD GetOriginalURI(nsIURI * *aOriginalURI) { return _to GetOriginalURI(aOriginalURI); } \
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NS_IMETHOD SetOriginalURI(nsIURI * aOriginalURI) { return _to SetOriginalURI(aOriginalURI); } \
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NS_IMETHOD GetURI(nsIURI * *aURI) { return _to GetURI(aURI); } \
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NS_IMETHOD GetOwner(nsISupports * *aOwner) { return _to GetOwner(aOwner); } \
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NS_IMETHOD SetOwner(nsISupports * aOwner) { return _to SetOwner(aOwner); } \
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NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks) { return _to GetNotificationCallbacks(aNotificationCallbacks); } \
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NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks) { return _to SetNotificationCallbacks(aNotificationCallbacks); } \
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NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo) { return _to GetSecurityInfo(aSecurityInfo); } \
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NS_IMETHOD GetContentType(nsACString & aContentType) { return _to GetContentType(aContentType); } \
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NS_IMETHOD SetContentType(const nsACString & aContentType) { return _to SetContentType(aContentType); } \
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NS_IMETHOD GetContentCharset(nsACString & aContentCharset) { return _to GetContentCharset(aContentCharset); } \
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NS_IMETHOD SetContentCharset(const nsACString & aContentCharset) { return _to SetContentCharset(aContentCharset); } \
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NS_IMETHOD GetContentLength(PRInt32 *aContentLength) { return _to GetContentLength(aContentLength); } \
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NS_IMETHOD SetContentLength(PRInt32 aContentLength) { return _to SetContentLength(aContentLength); } \
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NS_IMETHOD Open(nsIInputStream **_retval) { return _to Open(_retval); } \
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NS_IMETHOD AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext) { return _to AsyncOpen(aListener, aContext); } \
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/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
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#define NS_FORWARD_SAFE_NSICHANNEL(_to) \
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NS_IMETHOD GetOriginalURI(nsIURI * *aOriginalURI) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetOriginalURI(aOriginalURI); } \
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NS_IMETHOD SetOriginalURI(nsIURI * aOriginalURI) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetOriginalURI(aOriginalURI); } \
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NS_IMETHOD GetURI(nsIURI * *aURI) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetURI(aURI); } \
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NS_IMETHOD GetOwner(nsISupports * *aOwner) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetOwner(aOwner); } \
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NS_IMETHOD SetOwner(nsISupports * aOwner) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetOwner(aOwner); } \
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NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetNotificationCallbacks(aNotificationCallbacks); } \
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NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetNotificationCallbacks(aNotificationCallbacks); } \
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NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetSecurityInfo(aSecurityInfo); } \
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NS_IMETHOD GetContentType(nsACString & aContentType) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentType(aContentType); } \
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NS_IMETHOD SetContentType(const nsACString & aContentType) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentType(aContentType); } \
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NS_IMETHOD GetContentCharset(nsACString & aContentCharset) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentCharset(aContentCharset); } \
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NS_IMETHOD SetContentCharset(const nsACString & aContentCharset) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentCharset(aContentCharset); } \
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NS_IMETHOD GetContentLength(PRInt32 *aContentLength) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentLength(aContentLength); } \
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NS_IMETHOD SetContentLength(PRInt32 aContentLength) { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentLength(aContentLength); } \
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NS_IMETHOD Open(nsIInputStream **_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->Open(_retval); } \
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NS_IMETHOD AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext) { return !_to ? NS_ERROR_NULL_POINTER : _to->AsyncOpen(aListener, aContext); } \
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#if 0
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/* Use the code below as a template for the implementation class for this interface. */
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/* Header file */
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class nsChannel : public nsIChannel
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICHANNEL
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nsChannel();
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private:
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~nsChannel();
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protected:
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/* additional members */
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};
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/* Implementation file */
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NS_IMPL_ISUPPORTS1(nsChannel, nsIChannel)
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nsChannel::nsChannel()
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{
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/* member initializers and constructor code */
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}
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nsChannel::~nsChannel()
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{
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/* destructor code */
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}
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/* attribute nsIURI originalURI; */
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||
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|
NS_IMETHODIMP nsChannel::GetOriginalURI(nsIURI * *aOriginalURI)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetOriginalURI(nsIURI * aOriginalURI)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* readonly attribute nsIURI URI; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetURI(nsIURI * *aURI)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* attribute nsISupports owner; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetOwner(nsISupports * *aOwner)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetOwner(nsISupports * aOwner)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* attribute nsIInterfaceRequestor notificationCallbacks; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetNotificationCallbacks(nsIInterfaceRequestor * aNotificationCallbacks)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* readonly attribute nsISupports securityInfo; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetSecurityInfo(nsISupports * *aSecurityInfo)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* attribute ACString contentType; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetContentType(nsACString & aContentType)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetContentType(const nsACString & aContentType)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* attribute ACString contentCharset; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetContentCharset(nsACString & aContentCharset)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetContentCharset(const nsACString & aContentCharset)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* attribute long contentLength; */
|
||
|
|
NS_IMETHODIMP nsChannel::GetContentLength(PRInt32 *aContentLength)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
NS_IMETHODIMP nsChannel::SetContentLength(PRInt32 aContentLength)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* nsIInputStream open (); */
|
||
|
|
NS_IMETHODIMP nsChannel::Open(nsIInputStream **_retval)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* void asyncOpen (in nsIStreamListener aListener, in nsISupports aContext); */
|
||
|
|
NS_IMETHODIMP nsChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext)
|
||
|
|
{
|
||
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* End of implementation class template. */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __gen_nsIChannel_h__ */
|