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91 lines
2.8 KiB
Objective-C
Executable file
91 lines
2.8 KiB
Objective-C
Executable file
/*
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* Copyright 2012 Facebook
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#import "FBCacheDescriptor.h"
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/*
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@class
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@abstract
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Represents the data needed by an FBFriendPickerViewController, in order to construct
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the necessary request to populate the view; instances of FBFriendPickerCacheDescriptor
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are used to fetch data ahead of the point when the data is used to populate a display.
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@discussion
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A common use of an FBFriendPickerCacheDescriptor instance, is to allocate an instance
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at the point when a session is opened, and then call prefetchAndCacheForSession. This
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causes the API to fetch and cache the data needed by the FBFriendPickerViewController.
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If at some point the user goes to select friends, the FBFriendPickerViewController
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will first check the cache for a copy of the friends list, and then after displaying
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whatever cached data is available, then it will fetch a fresh copy of the friends list.
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@unsorted
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*/
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@interface FBFriendPickerCacheDescriptor : FBCacheDescriptor
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/*
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@method
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@abstract
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Initializes an instance with default values for populating
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a FBFriendPickerViewController, at some later point.
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*/
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- (id)init;
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/*
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@method
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@abstract
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Initializes an instance specifying the userID to use for populating
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a FBFriendPickerViewController, at some later point.
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*/
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- (id)initWithUserID:(NSString*)userID;
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/*
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@method
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@abstract
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Initializes an instance specifying the fields to use for populating
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a FBFriendPickerViewController, at some later point.
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*/
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- (id)initWithFieldsForRequest:(NSSet*)fieldsForRequest;
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/*
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@method
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@abstract
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Initializes an instance specifying the userID and fields to use for populating
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a FBFriendPickerViewController, at some later point.
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@param userID fbid of the user whose friends we wish to display; nil='me'
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@param fieldsForRequest set of additional fields to include in request for friends
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*/
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- (id)initWithUserID:(NSString*)userID fieldsForRequest:(NSSet*)fieldsForRequest;
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/*
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@abstract
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Fields to use when fetching data for the view
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*/
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@property (nonatomic, readonly, copy) NSSet *fieldsForRequest;
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/*
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@abstract
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Indicates the fbid of the user whose friends are being viewed
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*/
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@property (nonatomic, readonly, copy) NSString *userID;
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@end
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