You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
3.0 KiB
88 lines
3.0 KiB
// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
|
|
//
|
|
// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
|
|
// copy, modify, and distribute this software in source code or binary form for use
|
|
// in connection with the web services and APIs provided by Facebook.
|
|
//
|
|
// As with any software that integrates with the Facebook platform, your use of
|
|
// this software is subject to the Facebook Developer Principles and Policies
|
|
// [http://developers.facebook.com/policy/]. This copyright notice shall be
|
|
// included in all copies or substantial portions of the software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
import Foundation
|
|
import FBSDKShareKit
|
|
|
|
/**
|
|
A generic protocol for holding any value that can be represented as a property value in OpenGraph.
|
|
*/
|
|
public protocol OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
var openGraphPropertyValue: Any { get }
|
|
}
|
|
|
|
internal struct OpenGraphPropertyValueConverter {
|
|
internal static func valueFrom(openGraphObjectValue value: Any) -> OpenGraphPropertyValue? {
|
|
switch value {
|
|
case let value as String: return value
|
|
case let value as NSNumber: return value
|
|
case let value as NSArray: return value.flatMap { valueFrom(openGraphObjectValue: $0 as Any) }
|
|
case let value as URL: return value
|
|
case let value as FBSDKSharePhoto: return Photo(sdkPhoto: value)
|
|
case let value as FBSDKShareOpenGraphObject: return OpenGraphObject(sdkGraphObject: value)
|
|
default:
|
|
print("Recieved unknown OpenGraph value \(value)")
|
|
return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
extension NSNumber: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return self
|
|
}
|
|
}
|
|
|
|
extension String: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return self
|
|
}
|
|
}
|
|
|
|
extension Array: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return self
|
|
.flatMap { $0 as? OpenGraphPropertyValue }
|
|
.map { $0.openGraphPropertyValue }
|
|
}
|
|
}
|
|
|
|
extension URL: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return self
|
|
}
|
|
}
|
|
|
|
extension Photo: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return sdkPhotoRepresentation
|
|
}
|
|
}
|
|
|
|
extension OpenGraphObject: OpenGraphPropertyValue {
|
|
/// The bridged OpenGraph raw value.
|
|
public var openGraphPropertyValue: Any {
|
|
return sdkGraphObjectRepresentation
|
|
}
|
|
}
|