From 3fd4ed42c4d7742dfc1c832af3c132bb0d2201bd Mon Sep 17 00:00:00 2001
From: nixzhu <zhuhongxu@gmail.com>
Date: Tue, 10 Nov 2015 14:55:42 +0800
Subject: [PATCH] dismiss

---
 .../ConversationViewController.swift          |  5 ++
 .../MediaPreviewViewController.swift          | 60 +++++++++++++++----
 2 files changed, 53 insertions(+), 12 deletions(-)

diff --git a/Yep/ViewControllers/Conversation/ConversationViewController.swift b/Yep/ViewControllers/Conversation/ConversationViewController.swift
index 47ec8d12..927f32e8 100644
--- a/Yep/ViewControllers/Conversation/ConversationViewController.swift
+++ b/Yep/ViewControllers/Conversation/ConversationViewController.swift
@@ -2817,7 +2817,12 @@ extension ConversationViewController: UICollectionViewDataSource, UICollectionVi
                 vc.previewImageViewInitalFrame = frame
                 vc.previewImage = image
 
+                vc.afterDismissAction = { [weak self] in
+                    self?.view.window?.makeKeyAndVisible()
+                }
+
                 mediaPreviewWindow.rootViewController = vc
+                mediaPreviewWindow.windowLevel = UIWindowLevelAlert - 1
                 mediaPreviewWindow.makeKeyAndVisible()
             }
         }
diff --git a/Yep/ViewControllers/MediaPreview/MediaPreviewViewController.swift b/Yep/ViewControllers/MediaPreview/MediaPreviewViewController.swift
index b5433e72..62d311d9 100644
--- a/Yep/ViewControllers/MediaPreview/MediaPreviewViewController.swift
+++ b/Yep/ViewControllers/MediaPreview/MediaPreviewViewController.swift
@@ -27,8 +27,14 @@ class MediaPreviewViewController: UIViewController {
     var previewImageViewInitalFrame: CGRect?
     var previewImage: UIImage?
 
+    var afterDismissAction: (() -> Void)?
+
     let mediaViewCellID = "MediaViewCell"
 
+    deinit {
+        println("deinit MediaPreview")
+    }
+
     override func viewDidLoad() {
         super.viewDidLoad()
 
@@ -53,18 +59,20 @@ class MediaPreviewViewController: UIViewController {
         let previewImageWidth = previewImage.size.width
         let previewImageHeight = previewImage.size.height
 
-        let previewImageViewWidth: CGFloat
-        let previewImageViewHeight: CGFloat
-
-        if previewImageWidth > previewImageHeight {
-            previewImageViewWidth = viewWidth
-            previewImageViewHeight = (previewImageHeight / previewImageWidth) * previewImageViewWidth
-
-        } else {
-            // TODO: size
-            previewImageViewWidth = viewWidth
-            previewImageViewHeight = (previewImageHeight / previewImageWidth) * previewImageViewWidth
-        }
+        let previewImageViewWidth = viewWidth
+        let previewImageViewHeight = (previewImageHeight / previewImageWidth) * previewImageViewWidth
+//        let previewImageViewWidth: CGFloat
+//        let previewImageViewHeight: CGFloat
+//
+//        if previewImageWidth > previewImageHeight {
+//            previewImageViewWidth = viewWidth
+//            previewImageViewHeight = (previewImageHeight / previewImageWidth) * previewImageViewWidth
+//
+//        } else {
+//            // TODO: size
+//            previewImageViewWidth = viewWidth
+//            previewImageViewHeight = (previewImageHeight / previewImageWidth) * previewImageViewWidth
+//        }
 
         //let finalWidth = UIScreen.mainScreen().bounds.width
         //let finalHeight = UIScreen.mainScreen().bounds.height
@@ -77,6 +85,34 @@ class MediaPreviewViewController: UIViewController {
 
         }, completion: { [weak self] _ in
             self?.mediasCollectionView.alpha = 1
+            self?.previewImageView.alpha = 0
+        })
+
+
+
+        let tap = UITapGestureRecognizer(target: self, action: "dismiss")
+        view.addGestureRecognizer(tap)
+    }
+
+    // MARK: Actions
+
+    func dismiss() {
+
+        previewImageView.alpha = 1
+        mediasCollectionView.alpha = 0
+
+        UIView.animateWithDuration(1.25, delay: 0.0, options: .CurveEaseInOut, animations: { [weak self] in
+
+            self?.previewImageView.frame = self?.previewImageViewInitalFrame ?? CGRectZero
+
+        }, completion: { [weak self] _ in
+            mediaPreviewWindow.windowLevel = UIWindowLevelNormal
+
+            self?.afterDismissAction?()
+
+            delay(0.2) {
+                mediaPreviewWindow.rootViewController = nil
+            }
         })
     }
 }