使用原生界面浏览图片#24

Author: klaus01

Podfile

@@ -9,6 +9,7 @@ target 'ruby-china-ios' do
   pod 'Kingfisher', '~> 2.4'
   pod 'SnapKit', '~> 0.22'
   pod 'FontAwesome.swift', :git => 'https://github.com/thii/FontAwesome.swift.git', :branch => 'swift-2.3'
+  pod 'SKPhotoBrowser', '~> 3.1'
 
   pod 'MBProgressHUD'
   pod 'MJRefresh'

Podfile.lock

@@ -11,6 +11,7 @@ PODS:
   - Result (2.1.3)
   - Router (1.0.0)
   - SideMenu (1.2.1)
+  - SKPhotoBrowser (3.1.2)
   - SnapKit (0.22.0)
   - SwiftyJSON (2.4.0)
   - Turbolinks (1.0.2)
@@ -26,6 +27,7 @@ DEPENDENCIES:
   - MJRefresh
   - Router (~> 1.0)
   - SideMenu (~> 1.0)
+  - SKPhotoBrowser (~> 3.1)
   - SnapKit (~> 0.22)
   - SwiftyJSON (~> 2.0)
   - Turbolinks (from `https://github.com/turbolinks/turbolinks-ios.git`)
@@ -57,12 +59,13 @@ SPEC CHECKSUMS:
   Result: 18e1a7597fbcca5923c565b40a25a98afafdee02
   Router: 6088d6d321e097070d5ea4bd792cb015dfa0fbb4
   SideMenu: d38e42ab18a5c0875a77cfec7e7cecea72a69518
+  SKPhotoBrowser: e942c03c3206b5cf229fd4ce56b872bce800124a
   SnapKit: 0dd2fd157330f1ea11fd84da13e6be8a7a22bae0
   SwiftyJSON: 96918c1bf505efa50c4f72957018dd3452090c9c
   Turbolinks: d8209bab43803adae8c06d434368e16479023407
   UITableView+FDTemplateLayoutCell: 234e1582bcc4e18461af91155123bb96538ed030
   YYKeyboardManager: ff53d2e80d1808567a7f004028bd200d9469a89f
 
-PODFILE CHECKSUM: 7199582b636d3565b7e5061cd29bd660bf79c27b
+PODFILE CHECKSUM: 8bd0bec9e089422171a89cd9bd29500de02f3d5b
 
 COCOAPODS: 1.1.1

ruby-china-ios.xcodeproj/project.pbxproj

@@ -43,6 +43,7 @@
 		24B228EF1DAA8B1600DEC44D /* Topic.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24B228EE1DAA8B1600DEC44D /* Topic.swift */; };
 		24B228F31DAA972500DEC44D /* String+Ext.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24B228F21DAA972500DEC44D /* String+Ext.swift */; };
 		24BA25451DBF858D004A801C /* TopicDetailsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24BA25441DBF858D004A801C /* TopicDetailsViewController.swift */; };
+		24DE002B1DC1CA2C004AA741 /* CustomSKImageCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24DE002A1DC1CA2C004AA741 /* CustomSKImageCache.swift */; };
 		24E5B4001D6B2C82006515E3 /* ThemeNavigationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24E5B3FF1D6B2C82006515E3 /* ThemeNavigationController.swift */; };
 		24FDFBBC1DBBAE06004BB9A6 /* UIBarButtonItem+Ext.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24FDFBBB1DBBAE06004BB9A6 /* UIBarButtonItem+Ext.swift */; };
 		961580A71D477A7600B32BDA /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 961580A61D477A7600B32BDA /* Assets.xcassets */; };
@@ -95,6 +96,7 @@
 		24B228EE1DAA8B1600DEC44D /* Topic.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Topic.swift; sourceTree = "<group>"; };
 		24B228F21DAA972500DEC44D /* String+Ext.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "String+Ext.swift"; sourceTree = "<group>"; };
 		24BA25441DBF858D004A801C /* TopicDetailsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TopicDetailsViewController.swift; sourceTree = "<group>"; };
+		24DE002A1DC1CA2C004AA741 /* CustomSKImageCache.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CustomSKImageCache.swift; sourceTree = "<group>"; };
 		24E5B3FF1D6B2C82006515E3 /* ThemeNavigationController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ThemeNavigationController.swift; sourceTree = "<group>"; };
 		24FDFBBB1DBBAE06004BB9A6 /* UIBarButtonItem+Ext.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIBarButtonItem+Ext.swift"; sourceTree = "<group>"; };
 		24FDFBBD1DBBB53D004BB9A6 /* Ruby China.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = "Ruby China.entitlements"; sourceTree = "<group>"; };
@@ -158,6 +160,7 @@
 				24A6A3ED1DB7B82500EC89DB /* LikesService.swift */,
 				24742CE71D50FE2E00D16CA9 /* OAuth2.swift */,
 				24742CE81D50FE2E00D16CA9 /* TurbolinksSessionLib.swift */,
+				24DE002A1DC1CA2C004AA741 /* CustomSKImageCache.swift */,
 			);
 			path = Libraries;
 			sourceTree = "<group>";
@@ -441,6 +444,7 @@
 				24742CF21D50FE2E00D16CA9 /* NewTopicViewController.swift in Sources */,
 				24742CFB1D50FE2E00D16CA9 /* DeviceService.swift in Sources */,
 				24742CFF1D50FE2E00D16CA9 /* Error.swift in Sources */,
+				24DE002B1DC1CA2C004AA741 /* CustomSKImageCache.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -565,8 +569,8 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
-				DEVELOPMENT_TEAM = A38T799N53;
 				CODE_SIGN_ENTITLEMENTS = "ruby-china-ios/Ruby China.entitlements";
+				DEVELOPMENT_TEAM = A38T799N53;
 				FRAMEWORK_SEARCH_PATHS = "$(inherited)";
 				INFOPLIST_FILE = "ruby-china-ios/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
@@ -584,8 +588,8 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
-				DEVELOPMENT_TEAM = A38T799N53;
 				CODE_SIGN_ENTITLEMENTS = "ruby-china-ios/Ruby China.entitlements";
+				DEVELOPMENT_TEAM = A38T799N53;
 				FRAMEWORK_SEARCH_PATHS = "$(inherited)";
 				INFOPLIST_FILE = "ruby-china-ios/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";

ruby-china-ios/Libraries/CustomSKImageCache.swift

@@ -0,0 +1,32 @@
+//
+//  CustomSKImageCache.swift
+//  ruby-china-ios
+//
+//  Created by kelei on 16/10/27.
+//  Copyright © 2016年 ruby-china. All rights reserved.
+//
+
+import SKPhotoBrowser
+import Kingfisher
+
+class CustomImageCache: SKImageCacheable {
+    private let cache = KingfisherManager.sharedManager.cache
+    
+    func imageForKey(key: String) -> UIImage? {
+        guard let cacheType = cache.isImageCachedForKey(key).cacheType else { return nil }
+        
+        switch cacheType {
+        case .Disk: return cache.retrieveImageInDiskCacheForKey(key)
+        case .Memory: return cache.retrieveImageInMemoryCacheForKey(key)
+        default: return nil
+        }
+    }
+    
+    func setImage(image: UIImage, forKey key: String) {
+        cache.storeImage(image, forKey: key)
+    }
+    
+    func removeImageForKey(key: String) {
+        cache.removeImageForKey(key)
+    }
+}

ruby-china-ios/Libraries/TurbolinksSessionLib.swift

@@ -10,6 +10,7 @@ import Turbolinks
 import WebKit
 import Router
 import SafariServices
+import SKPhotoBrowser
 
 class TurbolinksSessionLib: NSObject {
     static let sharedInstance: TurbolinksSessionLib = {
@@ -168,6 +169,18 @@ class TurbolinksSessionLib: NSObject {
         UIApplication.currentViewController()?.presentViewController(navController, animated: true, completion: nil)
     }
 
+    private func presentImageBrowserController(url: NSURL) {
+        if (SKCache.sharedCache.imageCache as? CustomImageCache) == nil {
+            SKCache.sharedCache.imageCache = CustomImageCache()
+        }
+        
+        let photo = SKPhoto.photoWithImageURL(url.absoluteString!)
+        photo.shouldCachePhotoURLImage = true
+        
+        let browser = SKPhotoBrowser(photos: [photo])
+        UIApplication.currentViewController()?.presentViewController(browser, animated: true, completion: nil)
+    }
+    
     private func pushNodeTopicsController(nodeID: Int) {
         let controller = TopicsViewController()
         controller.load(listType: .last_actived, nodeID: nodeID, offset: 0)
@@ -241,7 +254,10 @@ extension TurbolinksSessionLib: WKNavigationDelegate {
         }
 
         if let url = navigationAction.request.URL {
-            if let host = url.host where host != NSURL(string: ROOT_URL)!.host! {
+            if let ext = url.pathExtension?.lowercaseString where (["jpg", "png", "gif"].filter{ ext.hasPrefix($0) }).count > 0 {
+                // 查看图片
+                presentImageBrowserController(url)
+            } else if let host = url.host where host != NSURL(string: ROOT_URL)!.host! {
                 // 外部网站, open in SafariView
                 safariOpen(url)
             } else if let path = url.path {