294 lines
12 KiB
Plaintext
294 lines
12 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "nsISupports.idl"
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interface nsIProtocolHandler;
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interface nsIChannel;
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interface nsIURI;
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interface nsIFile;
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interface nsIDOMNode;
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interface nsIPrincipal;
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interface nsILoadInfo;
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/**
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* nsIIOService provides a set of network utility functions. This interface
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* duplicates many of the nsIProtocolHandler methods in a protocol handler
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* independent way (e.g., NewURI inspects the scheme in order to delegate
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* creation of the new URI to the appropriate protocol handler). nsIIOService
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* also provides a set of URL parsing utility functions. These are provided
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* as a convenience to the programmer and in some cases to improve performance
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* by eliminating intermediate data structures and interfaces.
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*/
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[scriptable, uuid(4286de5a-b2ea-446f-8f70-e2a461f42694)]
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interface nsIIOService : nsISupports
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{
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/**
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* Returns a protocol handler for a given URI scheme.
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*
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* @param aScheme the URI scheme
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* @return reference to corresponding nsIProtocolHandler
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*/
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nsIProtocolHandler getProtocolHandler(in string aScheme);
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/**
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* Returns the protocol flags for a given scheme.
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*
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* @param aScheme the URI scheme
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* @return value of corresponding nsIProtocolHandler::protocolFlags
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*/
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unsigned long getProtocolFlags(in string aScheme);
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/**
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* This method constructs a new URI by determining the scheme of the
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* URI spec, and then delegating the construction of the URI to the
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* protocol handler for that scheme. QueryInterface can be used on
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* the resulting URI object to obtain a more specific type of URI.
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*
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* @see nsIProtocolHandler::newURI
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*/
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nsIURI newURI(in AUTF8String aSpec,
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in string aOriginCharset,
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in nsIURI aBaseURI);
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/**
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* This method constructs a new URI from a nsIFile.
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*
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* @param aFile specifies the file path
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* @return reference to a new nsIURI object
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*
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* Note: in the future, for perf reasons we should allow
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* callers to specify whether this is a file or directory by
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* splitting this into newDirURI() and newActualFileURI().
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*/
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nsIURI newFileURI(in nsIFile aFile);
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/**
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* Creates a channel for a given URI.
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*
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* @param aURI
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* nsIURI from which to make a channel
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* @param aLoadingNode
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* The loadingDocument of the channel.
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* The element or document where the result of this request will be
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* used. This is the document/element that will get access to the
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* result of this request. For example for an image load, it's the
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* document in which the image will be loaded. And for a CSS
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* stylesheet it's the document whose rendering will be affected by
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* the stylesheet.
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* If possible, pass in the element which is performing the load. But
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* if the load is coming from a JS API (such as XMLHttpRequest) or if
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* the load might be coalesced across multiple elements (such as
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* for <img>) then pass in the Document node instead.
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* For loads that are not related to any document, such as loads coming
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* from addons or internal browser features, use null here.
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* @param aLoadingPrincipal
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* The loadingPrincipal of the channel.
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* The principal of the document where the result of this request will
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* be used.
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* This defaults to the principal of aLoadingNode, so when aLoadingNode
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* is passed this can be left as null. However for loads where
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* aLoadingNode is null this argument must be passed.
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* For example for loads from a WebWorker, pass the principal
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* of that worker. For loads from an addon or from internal browser
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* features, pass the system principal.
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* This principal should almost always be the system principal if
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* aLoadingNode is null. The only exception to this is for loads
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* from WebWorkers since they don't have any nodes to be passed as
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* aLoadingNode.
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* Please note, aLoadingPrincipal is *not* the principal of the
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* resource being loaded. But rather the principal of the context
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* where the resource will be used.
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* @param aTriggeringPrincipal
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* The triggeringPrincipal of the load.
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* The triggeringPrincipal is the principal of the resource that caused
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* this particular URL to be loaded.
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* Most likely the triggeringPrincipal and the loadingPrincipal are
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* identical, in which case the triggeringPrincipal can be left out.
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* In some cases the loadingPrincipal and the triggeringPrincipal are
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* different however, e.g. a stylesheet may import a subresource. In
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* that case the principal of the stylesheet which contains the
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* import command is the triggeringPrincipal, and the principal of
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* the document whose rendering is affected is the loadingPrincipal.
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* @param aSecurityFlags
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* The securityFlags of the channel.
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* Any of the securityflags defined in nsILoadInfo.idl
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* @param aContentPolicyType
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* The contentPolicyType of the channel.
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* Any of the content types defined in nsIContentPolicy.idl
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* @return reference to the new nsIChannel object
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*
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* Please note, if you provide both a loadingNode and a loadingPrincipal,
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* then loadingPrincipal must be equal to loadingNode->NodePrincipal().
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* But less error prone is to just supply a loadingNode.
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*
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* Keep in mind that URIs coming from a webpage should *never* use the
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* systemPrincipal as the loadingPrincipal.
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*/
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nsIChannel newChannelFromURI2(in nsIURI aURI,
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in nsIDOMNode aLoadingNode,
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in nsIPrincipal aLoadingPrincipal,
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in nsIPrincipal aTriggeringPrincipal,
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in unsigned long aSecurityFlags,
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in unsigned long aContentPolicyType);
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/**
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* Equivalent to newChannelFromURI2(aURI, aLoadingNode, ...)
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*/
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nsIChannel newChannelFromURIWithLoadInfo(in nsIURI aURI,
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in nsILoadInfo aLoadInfo);
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/**
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* Creates a channel for a given URI.
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*
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* @param aURI nsIURI from which to make a channel
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* @return reference to the new nsIChannel object
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*/
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nsIChannel newChannelFromURI(in nsIURI aURI);
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/**
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* Equivalent to newChannelFromURI2(newURI(...))
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*/
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nsIChannel newChannel2(in AUTF8String aSpec,
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in string aOriginCharset,
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in nsIURI aBaseURI,
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in nsIDOMNode aLoadingNode,
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in nsIPrincipal aLoadingPrincipal,
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in nsIPrincipal aTriggeringPrincipal,
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in unsigned long aSecurityFlags,
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in unsigned long aContentPolicyType);
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/**
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* Equivalent to newChannelFromURI(newURI(...))
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*/
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nsIChannel newChannel(in AUTF8String aSpec,
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in string aOriginCharset,
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in nsIURI aBaseURI);
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/**
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* Returns true if networking is in "offline" mode. When in offline mode,
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* attempts to access the network will fail (although this does not
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* necessarily correlate with whether there is actually a network
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* available -- that's hard to detect without causing the dialer to
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* come up).
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*
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* Changing this fires observer notifications ... see below.
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*/
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attribute boolean offline;
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/**
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* Returns false if there are no interfaces for a network request
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*/
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readonly attribute boolean connectivity;
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/**
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* Set whether network appears to be offline for network connections from
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* a given appID.
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*
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* Calling this function may fire the "network:app-offline-status-changed"
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* notification, which is also sent to child processes containing this appId.
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* 'state' must one of nsIAppOfflineInfo::{ONLINE|OFFLINE|WIFI_ONLY}.
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*/
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void setAppOffline(in uint32_t appId, in long state);
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/**
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* Returns true if given appId is currently not allowed to make network
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* connections. It will return true if the app is in the wifi-only state
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* and we are currently on a 3G connection.
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* The returned value does not depend on the offline state of the browser.
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*/
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boolean isAppOffline(in uint32_t appId);
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/**
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* Returns the state of the app with the given appId.
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* returns nsIAppOfflineInfo::{ONLINE,OFFLINE,WIFI_ONLY}
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*/
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long getAppOfflineState(in uint32_t appId);
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/**
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* Checks if a port number is banned. This involves consulting a list of
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* unsafe ports, corresponding to network services that may be easily
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* exploitable. If the given port is considered unsafe, then the protocol
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* handler (corresponding to aScheme) will be asked whether it wishes to
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* override the IO service's decision to block the port. This gives the
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* protocol handler ultimate control over its own security policy while
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* ensuring reasonable, default protection.
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*
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* @see nsIProtocolHandler::allowPort
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*/
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boolean allowPort(in long aPort, in string aScheme);
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/**
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* Utility to extract the scheme from a URL string, consistently and
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* according to spec (see RFC 2396).
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*
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* NOTE: Most URL parsing is done via nsIURI, and in fact the scheme
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* can also be extracted from a URL string via nsIURI. This method
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* is provided purely as an optimization.
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*
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* @param aSpec the URL string to parse
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* @return URL scheme
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*
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* @throws NS_ERROR_MALFORMED_URI if URL string is not of the right form.
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*/
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ACString extractScheme(in AUTF8String urlString);
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};
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[scriptable, uuid(4ac296a0-ca1b-44f4-8787-117a88cb70fb)]
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interface nsIAppOfflineInfo : nsISupports
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{
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readonly attribute unsigned long appId;
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const long ONLINE = 1;
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const long OFFLINE = 2;
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const long WIFI_ONLY = 3;
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readonly attribute long mode;
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};
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%{C++
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/**
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* We send notifications through nsIObserverService with topic
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* NS_IOSERVICE_GOING_OFFLINE_TOPIC and data NS_IOSERVICE_OFFLINE
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* when 'offline' has changed from false to true, and we are about
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* to shut down network services such as DNS. When those
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* services have been shut down, we send a notification with
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* topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data
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* NS_IOSERVICE_OFFLINE.
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*
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* When 'offline' changes from true to false, then after
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* network services have been restarted, we send a notification
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* with topic NS_IOSERVICE_OFFLINE_STATUS_TOPIC and data
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* NS_IOSERVICE_ONLINE.
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*/
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#define NS_IOSERVICE_GOING_OFFLINE_TOPIC "network:offline-about-to-go-offline"
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#define NS_IOSERVICE_OFFLINE_STATUS_TOPIC "network:offline-status-changed"
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#define NS_IOSERVICE_OFFLINE "offline"
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#define NS_IOSERVICE_ONLINE "online"
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/**
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* When network:app-offline-status-changed is fired,
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* the 'Subject' argument is a nsIOfflineAppInfo.
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*/
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#define NS_IOSERVICE_APP_OFFLINE_STATUS_TOPIC "network:app-offline-status-changed"
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%}
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[builtinclass, uuid(6633c0bf-d97a-428f-8ece-cb6a655fb95a)]
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interface nsIIOServiceInternal : nsISupports
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{
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/**
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* This is an internal method that should only be called from ContentChild
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* in order to pass the connectivity state from the chrome process to the
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* content process. It throws if called outside the content process.
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*/
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void SetConnectivity(in boolean connectivity);
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/**
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* An internal method to asynchronously run our notifications that happen
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* when we wake from sleep
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*/
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void NotifyWakeup();
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};
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