Merge pull request #281 from nytimes/develop

Merge master into develop

Author: yorkepb

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 Changes for users of the library currently on `develop`:
 
+- Fixed some tests, added tests for NYTPhotoViewerSinglePhotoDataSource
+- Fixed a strict warning and a subscripting bug in NYTPhotoViewerArrayDataSource.m
+- Added support for interstitial views
+
+## [2.0.0](https://github.com/NYTimes/NYTPhotoViewer/releases/tag/2.0.0)
+
+Changes for users of the library in 2.0.0:
+
 - Expose a data-source-oriented API for PhotosViewController ([#226](https://github.com/NYTimes/NYTPhotoViewer/pull/226))
     - A data source no longer has to handle out-of-bounds indexes ([#227](https://github.com/NYTimes/NYTPhotoViewer/pull/227))
     - The data source is not retained ([#227](https://github.com/NYTimes/NYTPhotoViewer/pull/227))

Example-Swift/Photo.swift

@@ -12,10 +12,10 @@ import NYTPhotoViewer
 /// A box allowing NYTPhotoViewer to consume Swift value types from our codebase.
 final class NYTPhotoBox: NSObject, NYTPhoto {
 
-    let value: Photo
+    let value: PhotoItem
 
-    init(_ photo: Photo) {
-        value = photo
+    init(_ photoItem: PhotoItem) {
+        value = photoItem
     }
 
     // MARK: NYTPhoto
@@ -24,6 +24,14 @@ final class NYTPhotoBox: NSObject, NYTPhoto {
     var imageData: Data?
     var placeholderImage: UIImage?
 
+    var isPhoto: Bool {
+        return value.itemType == .image
+    }
+
+    var isView: Bool {
+        return value.itemType == .view
+    }
+
     var attributedCaptionTitle: NSAttributedString?
 
     var attributedCaptionSummary: NSAttributedString? {

Example-Swift/PhotoBox.swift

@@ -0,0 +1,34 @@
+//
+//  PhotoItem.swift
+//  NYTPhotoViewer
+//
+//  Created by Chris Dzombak on 2/2/17.
+//  Copyright © 2017 NYTimes. All rights reserved.
+//
+
+import UIKit
+
+/// A photo item can either be an image or a view
+enum PhotoItemType {
+    case image
+    case view
+}
+
+/// A photo may often be represented in a Swift application as a value type.
+struct PhotoItem {
+    // This would usually be a URL, but for this demo we load images from the bundle.
+    let name: String
+    let summary: String
+    let credit: String
+    let itemType: PhotoItemType
+    let identifier: Int
+
+    init(name: String = "", summary: String = "", credit: String = "", itemType: PhotoItemType, identifier: Int) {
+        self.name = name
+        self.summary = summary
+        self.credit = credit
+        self.itemType = itemType
+        self.identifier = identifier
+    }
+
+}

Example-Swift/PhotoItem.swift

@@ -9,7 +9,7 @@
 import NYTPhotoViewer
 
 /// Coordinates interaction between the application's data layer and the photo viewer component.
-final class PhotoViewerCoordinator: NYTPhotoViewerDataSource {
+final class PhotoViewerCoordinator: NSObject, NYTPhotoViewerDataSource {
     let slideshow: [NYTPhotoBox]
     let provider: PhotosProvider
 
@@ -20,23 +20,43 @@ final class PhotoViewerCoordinator: NYTPhotoViewerDataSource {
     init(provider: PhotosProvider) {
         self.provider = provider
         self.slideshow = provider.fetchDemoSlideshow().map { NYTPhotoBox($0) }
+        super.init()
         self.fetchPhotos()
     }
 
     func fetchPhotos() {
         for box in slideshow {
-            provider.fetchPhoto(named: box.value.name, then: { [weak self] (result) in
-                box.image = result
-                self?.photoViewer.update(box)
-            })
+            if box.isPhoto {
+                provider.fetchPhoto(named: box.value.name, then: { [weak self] (result) in
+                    box.image = result
+                    self?.photoViewer.update(box)
+                })
+            }
         }
     }
 
     // MARK: NYTPhotoViewerDataSource
 
     @objc
     var numberOfPhotos: NSNumber? {
-        return NSNumber(integerLiteral: slideshow.count)
+        return NSNumber(integerLiteral: slideshow.filter({ $0.isPhoto }).count)
+    }
+
+    @objc
+    func numberOfInterstitialViews() -> NSNumber {
+        return NSNumber(integerLiteral: slideshow.filter({ $0.isView }).count)
+    }
+
+    @objc
+    func isPhoto(at idx: Int) -> Bool {
+        guard idx < slideshow.count else { return false }
+        return slideshow[idx].isPhoto
+    }
+
+    @objc
+    func isInterstitialView(at idx: Int) -> Bool {
+        guard idx < slideshow.count else { return false }
+        return slideshow[idx].isView
     }
 
     @objc
@@ -48,6 +68,7 @@ final class PhotoViewerCoordinator: NYTPhotoViewerDataSource {
     @objc
     func photo(at index: Int) -> NYTPhoto? {
         guard index < slideshow.count else { return nil }
+        guard slideshow[index].isPhoto else { return nil }
         return slideshow[index]
     }
 }

Example-Swift/PhotoViewerCoordinator.swift

@@ -10,11 +10,11 @@ import UIKit
 
 /// A component of your data layer, which might load photos from the cache or network.
 final class PhotosProvider {
-    typealias Slideshow = [Photo]
+    typealias Slideshow = [PhotoItem]
 
     /// Simulate a synchronous fetch of a slideshow, perhaps from a local database.
     func fetchDemoSlideshow() -> Slideshow {
-        return (0...4).map { demoPhoto(identifier: $0) }
+        return (0...7).map { [2,5].contains($0) ? demoView(identifier: $0) : demoPhoto(identifier: $0) }
     }
 
     /// Simulate fetching a photo from the network.
@@ -29,7 +29,7 @@ final class PhotosProvider {
 }
 
 extension PhotosProvider {
-    fileprivate func demoPhoto(identifier: Int) -> Photo {
+    fileprivate func demoPhoto(identifier: Int) -> PhotoItem {
         let photoName: String
         let photoSummary: String
         let photoCredit: String
@@ -44,6 +44,10 @@ extension PhotosProvider {
             photoCredit = "Photo: Nic Lehoux"
         }
 
-        return Photo(name: photoName, summary: photoSummary, credit: photoCredit, identifier: identifier)
+        return PhotoItem(name: photoName, summary: photoSummary, credit: photoCredit, itemType: .image, identifier: identifier)
+    }
+
+    fileprivate func demoView(identifier: Int) -> PhotoItem {
+        return PhotoItem(itemType: .view, identifier: identifier)
     }
 }

Example-Swift/PhotosProvider.swift

@@ -68,4 +68,15 @@ extension ViewController: NYTPhotosViewControllerDelegate {
     func photosViewControllerDidDismiss(_ photosViewController: NYTPhotosViewController) {
         photoViewerCoordinator = nil
     }
+
+    func photosViewController(_ photosViewController: NYTPhotosViewController, interstitialViewAt index: UInt) -> UIView {
+        let redView = UIView(frame: CGRect(origin: .zero, size: CGSize(width: photosViewController.view.frame.width, height: 200)))
+        redView.backgroundColor = .red
+        redView.autoresizingMask = [.flexibleWidth]
+        return redView
+    }
+
+    func photosViewController(_ photosViewController: NYTPhotosViewController, didNavigateToInterstialView view: UIView, at index: UInt) {
+        view.backgroundColor = .blue
+    }
 }

Example-Swift/ViewController.swift

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "NYTPhotoViewer"
-  s.version          = "2.0.0"
+  s.version          = "3.0.0"
 
   s.description      = <<-DESC
                        NYTPhotoViewer is a slideshow and image viewer that includes double tap to zoom, captions, support for multiple images, interactive flick to dismiss, animated zooming presentation, and more.