From 49a9324c6317fbd68d34738d768584cbd9705946 Mon Sep 17 00:00:00 2001
From: CocoaBob <mengke.wang@gmail.com>
Date: Tue, 12 Jun 2018 17:17:27 -0400
Subject: [PATCH] Now asset supports remote url.

---
 TLPhotoPicker/Classes/TLAssetsCollection.swift   | 16 ++++++++++++----
 TLPhotoPicker/Classes/TLBundle.swift             |  1 +
 .../Classes/TLPhotosPickerViewController.swift   | 14 ++++++++++++--
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/TLPhotoPicker/Classes/TLAssetsCollection.swift b/TLPhotoPicker/Classes/TLAssetsCollection.swift
index 8d495518..3debe7ec 100755
--- a/TLPhotoPicker/Classes/TLAssetsCollection.swift
+++ b/TLPhotoPicker/Classes/TLAssetsCollection.swift
@@ -12,6 +12,7 @@ import PhotosUI
 import MobileCoreServices
 
 public class TLPHAsset {
+    
     enum CloudDownloadState {
         case ready, progress, complete, failed
     }
@@ -32,9 +33,9 @@ public class TLPHAsset {
             guard let phAsset = self.phAsset else { return .photo }
             if phAsset.mediaSubtypes.contains(.photoLive) {
                 return .livePhoto
-            }else if phAsset.mediaType == .video {
+            } else if phAsset.mediaType == .video {
                 return .video
-            }else {
+            } else {
                 return .photo
             }
         }
@@ -46,14 +47,16 @@ public class TLPHAsset {
             _fullResolutionImage = newValue
         }
         get {
-            if let _ = _fullResolutionImage {
-                return _fullResolutionImage
+            if let image = _fullResolutionImage {
+                return image
             }
             guard let phAsset = self.phAsset else { return nil }
             return TLPhotoLibrary.fullResolutionImageData(asset: phAsset)
         }
     }
     
+    public var url: URL?
+    
     public func extType() -> ImageExtType {
         var ext = ImageExtType.png
         if let fileName = self.originalFileName, let extention = URL(string: fileName)?.pathExtension.lowercased() {
@@ -209,6 +212,11 @@ public class TLPHAsset {
         self.init(asset: nil)
         self.fullResolutionImage = image
     }
+    
+    public convenience init(url: URL) {
+        self.init(asset: nil)
+        self.url = url
+    }
 }
 
 extension TLPHAsset: Equatable {
diff --git a/TLPhotoPicker/Classes/TLBundle.swift b/TLPhotoPicker/Classes/TLBundle.swift
index 0b4060b8..f926e039 100644
--- a/TLPhotoPicker/Classes/TLBundle.swift
+++ b/TLPhotoPicker/Classes/TLBundle.swift
@@ -9,6 +9,7 @@
 import Foundation
 
 class TLBundle {
+    
     class func podBundleImage(named: String) -> UIImage? {
         let podBundle = Bundle(for: TLBundle.self)
         if let url = podBundle.url(forResource: "TLPhotoPickerController", withExtension: "bundle") {
diff --git a/TLPhotoPicker/Classes/TLPhotosPickerViewController.swift b/TLPhotoPicker/Classes/TLPhotosPickerViewController.swift
index 11f1a618..ce2227cf 100755
--- a/TLPhotoPicker/Classes/TLPhotosPickerViewController.swift
+++ b/TLPhotoPicker/Classes/TLPhotosPickerViewController.swift
@@ -11,6 +11,7 @@ import Photos
 import PhotosUI
 import MobileCoreServices
 import UIKit.UIGestureRecognizerSubclass
+import SDWebImage
 
 public protocol TLPhotosPickerViewControllerDelegate: class {
     func willDismissPhotoPicker(with phAssets: [PHAsset])
@@ -810,8 +811,17 @@ extension TLPhotosPickerViewController: UICollectionViewDelegate,UICollectionVie
         } else {
             cell.indicator?.stopAnimating()
         }
-        if let customCollection = customCollection, collection == customCollection, let image = asset.fullResolutionImage {
-            cell.imageView?.image = image
+        if let customCollection = customCollection, collection == customCollection {
+            if let image = asset.fullResolutionImage {
+                cell.imageView?.image = image
+            } else if let url = asset.url {
+                cell.imageView?.sd_setImage(with: url,
+                                            placeholderImage: self.configure.placeholderIcon,
+                                            options: [.continueInBackground, .allowInvalidSSLCertificates, .highPriority],
+                                            completed: { (image, error, type, url) -> Void in
+                                                asset.fullResolutionImage = image
+                })
+            }
         } else if let phAsset = asset.phAsset {
             if self.usedPrefetch {
                 let options = PHImageRequestOptions()