зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
4.0 KiB
Objective-C
91 строка
4.0 KiB
Objective-C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Chimera code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Simon Fraser <sfraser@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#import <Foundation/Foundation.h>
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extern NSString* RemoteDataLoadRequestNotificationName;
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extern NSString* RemoteDataLoadRequestURIKey;
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extern NSString* RemoteDataLoadRequestDataKey;
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extern NSString* RemoteDataLoadRequestUserDataKey;
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extern NSString* RemoteDataLoadRequestResultKey;
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// RemoteDataProvider is a class that can be used to do asynchronous loads
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// from URIs using necko, and passing back the result of the load to a
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// callback in NSData.
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//
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// Clients can either implement the RemoteLoadListener protocol and call
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// loadURI directly, or they can register with the [NSNotification defaultCenter]
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// for 'RemoteDataLoadRequestNotificationName' notifications, and catch all loads
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// that happen that way.
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@protocol RemoteLoadListener
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// called when the load completes, or fails. If the status code is a failure code,
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// data may be nil.
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- (void)doneRemoteLoad:(NSString*)inURI forTarget:(id)target withUserData:(id)userData data:(NSData*)data status:(nsresult)status;
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@end
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class RemoteURILoadManager;
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@interface RemoteDataProvider : NSObject<RemoteLoadListener>
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{
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RemoteURILoadManager* mLoadManager;
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}
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+ (RemoteDataProvider*)sharedRemoteDataProvider;
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// generic method. You can load any URI asynchronously with this selector,
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// and the listener will get the contents of the URI in an NSData.
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// If allowNetworking is NO, then this method will just check the cache,
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// and not go to the network
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// This method will return YES if the request was dispatched, or NO otherwise.
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- (BOOL)loadURI:(NSString*)inURI forTarget:(id)target withListener:(id<RemoteLoadListener>)inListener
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withUserData:(id)userData allowNetworking:(BOOL)inNetworkOK;
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// specific request to load a remote file. The sender (or any other object), if
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// registered with the notification center, will receive a notification when
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// the load completes. The 'target' becomes the 'object' of the notification.
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// The notification name is given by NSString* RemoteDataLoadRequestNotificationName above.
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// If allowNetworking is NO, then this method will just check the cache,
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// and not go to the network
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// This method will return YES if the request was dispatched, or NO otherwise.
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- (BOOL)postURILoadRequest:(NSString*)inURI forTarget:(id)target
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withUserData:(id)userData allowNetworking:(BOOL)inNetworkOK;
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@end
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