From a79f5140b58a6cd36a8db8bebdb4b5107168822c Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 17:23:01 +0800
Subject: [PATCH 01/11] feat: profile timeline scroll performance

---
 ...adMoreConfigurableTableViewContainer.swift |  7 ++++++
 .../HomeTimelineViewController.swift          | 22 +++++++------------
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/Mastodon/Protocol/LoadMoreConfigurableTableViewContainer.swift b/Mastodon/Protocol/LoadMoreConfigurableTableViewContainer.swift
index bc90ab1ed..4f32be54a 100644
--- a/Mastodon/Protocol/LoadMoreConfigurableTableViewContainer.swift
+++ b/Mastodon/Protocol/LoadMoreConfigurableTableViewContainer.swift
@@ -23,6 +23,13 @@ extension LoadMoreConfigurableTableViewContainer {
     func handleScrollViewDidScroll(_ scrollView: UIScrollView) {
         guard scrollView === loadMoreConfigurableTableView else { return }
 
+        // check if current scroll position is the bottom of table
+        let contentOffsetY = loadMoreConfigurableTableView.contentOffset.y
+        let bottomVisiblePageContentOffsetY = loadMoreConfigurableTableView.contentSize.height - (1.5 * loadMoreConfigurableTableView.visibleSize.height)
+        guard contentOffsetY > bottomVisiblePageContentOffsetY else {
+            return
+        }
+        
         let cells = loadMoreConfigurableTableView.visibleCells.compactMap { $0 as? BottomLoaderTableViewCell }
         guard let loaderTableViewCell = cells.first else { return }
         
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
index 153f46130..906708fac 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
@@ -175,23 +175,17 @@ extension HomeTimelineViewController {
 // MARK: - UIScrollViewDelegate
 extension HomeTimelineViewController {
     func scrollViewDidScroll(_ scrollView: UIScrollView) {
-        guard scrollView === tableView else { return }
-        let cells = tableView.visibleCells.compactMap { $0 as? TimelineBottomLoaderTableViewCell }
-        guard let loaderTableViewCell = cells.first else { return }
-        
-        if let tabBar = tabBarController?.tabBar, let window = view.window {
-            let loaderTableViewCellFrameInWindow = tableView.convert(loaderTableViewCell.frame, to: nil)
-            let windowHeight = window.frame.height
-            let loaderAppear = (loaderTableViewCellFrameInWindow.origin.y + 0.8 * loaderTableViewCell.frame.height) < (windowHeight - tabBar.frame.height)
-            if loaderAppear {
-                viewModel.loadoldestStateMachine.enter(HomeTimelineViewModel.LoadOldestState.Loading.self)
-            }
-        } else {
-            viewModel.loadoldestStateMachine.enter(HomeTimelineViewModel.LoadOldestState.Loading.self)
-        }
+        handleScrollViewDidScroll(scrollView)
     }
 }
 
+extension HomeTimelineViewController: LoadMoreConfigurableTableViewContainer {
+    typealias BottomLoaderTableViewCell = TimelineBottomLoaderTableViewCell
+    typealias LoadingState = HomeTimelineViewModel.LoadOldestState.Loading
+    var loadMoreConfigurableTableView: UITableView { return tableView }
+    var loadMoreConfigurableStateMachine: GKStateMachine { return viewModel.loadoldestStateMachine }
+}
+
 // MARK: - UITableViewDelegate
 extension HomeTimelineViewController: UITableViewDelegate {
     

From 5bc8adfd431780b67e6dd2a26c4af183703a1bdc Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 17:23:30 +0800
Subject: [PATCH 02/11] fix: re-entry crash issue

---
 Mastodon/Scene/Welcome/WelcomeViewController.swift | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Mastodon/Scene/Welcome/WelcomeViewController.swift b/Mastodon/Scene/Welcome/WelcomeViewController.swift
index 99aa89f92..3c95fa4f4 100644
--- a/Mastodon/Scene/Welcome/WelcomeViewController.swift
+++ b/Mastodon/Scene/Welcome/WelcomeViewController.swift
@@ -14,7 +14,12 @@ final class WelcomeViewController: UIViewController, NeedsDependency {
     weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
     
     #if DEBUG
-    let authenticationViewController = AuthenticationViewController()
+    lazy var authenticationViewController: AuthenticationViewController = {
+        let authenticationViewController = AuthenticationViewController()
+        authenticationViewController.context = context
+        authenticationViewController.coordinator = coordinator
+        return authenticationViewController
+    }()
     #endif
     
     let logoImageView: UIImageView = {
@@ -105,8 +110,6 @@ extension WelcomeViewController {
         os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
         
         #if DEBUG
-        authenticationViewController.context = context
-        authenticationViewController.coordinator = coordinator
         authenticationViewController.viewModel = AuthenticationViewModel(context: context, coordinator: coordinator, isAuthenticationExist: true)
         authenticationViewController.viewModel.domain.value = "pawoo.net"
         let _ = authenticationViewController.view   // trigger view load

From 1345db9d7ebaf666bbcc2ad600977252ef2880e1 Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 18:07:00 +0800
Subject: [PATCH 03/11] fix: status content warning UI for Dark Mode related
 issue

---
 Mastodon/Scene/Share/View/Content/StatusView.swift    | 11 ++++++++++-
 .../View/TableviewCell/StatusTableViewCell.swift      |  1 +
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Mastodon/Scene/Share/View/Content/StatusView.swift b/Mastodon/Scene/Share/View/Content/StatusView.swift
index fc502597e..1bedb945e 100644
--- a/Mastodon/Scene/Share/View/Content/StatusView.swift
+++ b/Mastodon/Scene/Share/View/Content/StatusView.swift
@@ -103,7 +103,7 @@ final class StatusView: UIView {
     // do not use visual effect view due to we blur text only without background
     let contentWarningBlurContentImageView: UIImageView = {
         let imageView = UIImageView()
-        imageView.backgroundColor = .secondarySystemGroupedBackground
+        imageView.backgroundColor = Asset.Colors.Background.secondaryGroupedSystemBackground.color
         imageView.layer.masksToBounds = false
         return imageView
     }()
@@ -126,6 +126,15 @@ final class StatusView: UIView {
         super.init(coder: coder)
         _init()
     }
+    
+    override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+        super.traitCollectionDidChange(previousTraitCollection)
+        
+        // update blur image when interface style changed
+        if previousTraitCollection?.userInterfaceStyle != traitCollection.userInterfaceStyle {
+            drawContentWarningImageView()
+        }
+    }
 
 }
 
diff --git a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
index 3c968f795..ed1d083cc 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
@@ -50,6 +50,7 @@ extension StatusTableViewCell {
     private func _init() {
         selectionStyle = .none
         backgroundColor = Asset.Colors.Background.secondaryGroupedSystemBackground.color
+        statusView.contentWarningBlurContentImageView.backgroundColor = Asset.Colors.Background.secondaryGroupedSystemBackground.color
         
         statusView.translatesAutoresizingMaskIntoConstraints = false
         contentView.addSubview(statusView)

From ca013f79dabbc91c9895b1e10a3727f8d9e7cb4b Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 18:07:11 +0800
Subject: [PATCH 04/11] feat: add public timeline debug entry

---
 Mastodon/Coordinator/SceneCoordinator.swift            | 10 ++++++++++
 .../HomeTimelineViewController+DebugAction.swift       |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/Mastodon/Coordinator/SceneCoordinator.swift b/Mastodon/Coordinator/SceneCoordinator.swift
index c48c60d79..409215b03 100644
--- a/Mastodon/Coordinator/SceneCoordinator.swift
+++ b/Mastodon/Coordinator/SceneCoordinator.swift
@@ -45,6 +45,10 @@ extension SceneCoordinator {
         case mastodonServerRules(viewModel: MastodonServerRulesViewModel)
         
         case alertController(alertController: UIAlertController)
+        
+        #if DEBUG
+        case publicTimeline
+        #endif
     }
 }
 
@@ -161,6 +165,12 @@ private extension SceneCoordinator {
                 )
             }
             viewController = alertController
+        #if DEBUG
+        case .publicTimeline:
+            let _viewController = PublicTimelineViewController()
+            _viewController.viewModel = PublicTimelineViewModel(context: appContext)
+            viewController = _viewController
+        #endif
         }
         
         setupDependency(for: viewController as? NeedsDependency)
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController+DebugAction.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController+DebugAction.swift
index 84c0885d8..db6ddfa67 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController+DebugAction.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController+DebugAction.swift
@@ -17,6 +17,10 @@ extension HomeTimelineViewController {
             identifier: nil,
             options: .displayInline,
             children: [
+                UIAction(title: "Show Public Timeline", image: UIImage(systemName: "list.dash"), attributes: []) { [weak self] action in
+                    guard let self = self else { return }
+                    self.showPublicTimelineAction(action)
+                },
                 UIAction(title: "Sign Out", image: UIImage(systemName: "escape"), attributes: .destructive) { [weak self] action in
                     guard let self = self else { return }
                     self.signOutAction(action)
@@ -29,6 +33,10 @@ extension HomeTimelineViewController {
 
 extension HomeTimelineViewController {
     
+    @objc private func showPublicTimelineAction(_ sender: UIAction) {
+        coordinator.present(scene: .publicTimeline, from: self, transition: .show)
+    }
+    
     @objc private func signOutAction(_ sender: UIAction) {
         guard let activeMastodonAuthenticationBox = context.authenticationService.activeMastodonAuthenticationBox.value else {
             return

From 618239069969ee905d53c8792c853b757769cf30 Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 18:35:55 +0800
Subject: [PATCH 05/11] fix: expiresAt attribute of Poll entity is not mark
 optional issue

---
 .../Sources/MastodonSDK/Entity/Mastodon+Entity+Poll.swift     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Poll.swift b/MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Poll.swift
index 5a672e014..70b86e616 100644
--- a/MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Poll.swift
+++ b/MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Poll.swift
@@ -13,14 +13,14 @@ extension Mastodon.Entity {
     /// - Since: 2.8.0
     /// - Version: 3.3.0
     /// # Last Update
-    ///   2021/2/4
+    ///   2021/2/24
     /// # Reference
     ///  [Document](https://docs.joinmastodon.org/entities/poll/)
     public struct Poll: Codable {
         public typealias ID = String
         
         public let id: ID
-        public let expiresAt: Date
+        public let expiresAt: Date?     // if nil the poll does not end
         public let expired: Bool
         public let multiple: Bool
         public let votesCount: Int

From 2988e71611dcdfe14d7292f73d9a798e2f942717 Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 18:40:47 +0800
Subject: [PATCH 06/11] chore: update UI appearance. remove not used separator
 line component

---
 Mastodon/Diffiable/Item/Item.swift                 | 12 +-----------
 Mastodon/Extension/UIView.swift                    |  4 ----
 .../StatusProvider/StatusProviderFacade.swift      |  2 +-
 .../HomeTimelineViewModel+Diffable.swift           |  8 ++------
 .../View/TableviewCell/StatusTableViewCell.swift   | 11 ++++++++++-
 .../TimelineLoaderTableViewCell.swift              | 14 ++++++++------
 .../TimelineMiddleLoaderTableViewCell.swift        | 10 ----------
 .../Service/APIService/APIService+Favorite.swift   |  2 +-
 8 files changed, 23 insertions(+), 40 deletions(-)

diff --git a/Mastodon/Diffiable/Item/Item.swift b/Mastodon/Diffiable/Item/Item.swift
index 2b34753b3..2ab198226 100644
--- a/Mastodon/Diffiable/Item/Item.swift
+++ b/Mastodon/Diffiable/Item/Item.swift
@@ -30,32 +30,22 @@ protocol StatusContentWarningAttribute {
 
 extension Item {
     class StatusTimelineAttribute: Hashable, StatusContentWarningAttribute {
-        var separatorLineStyle: SeparatorLineStyle = .indent
         var isStatusTextSensitive: Bool = false
 
         public init(
-            separatorLineStyle: Item.StatusTimelineAttribute.SeparatorLineStyle = .indent,
             isStatusTextSensitive: Bool
         ) {
-            self.separatorLineStyle = separatorLineStyle
             self.isStatusTextSensitive = isStatusTextSensitive
         }
         
         static func == (lhs: Item.StatusTimelineAttribute, rhs: Item.StatusTimelineAttribute) -> Bool {
-            return lhs.separatorLineStyle == rhs.separatorLineStyle &&
-                lhs.isStatusTextSensitive == rhs.isStatusTextSensitive
+            return lhs.isStatusTextSensitive == rhs.isStatusTextSensitive
         }
 
         func hash(into hasher: inout Hasher) {
-            hasher.combine(separatorLineStyle)
             hasher.combine(isStatusTextSensitive)
         }
 
-        enum SeparatorLineStyle {
-            case indent // alignment to name label
-            case expand // alignment to table view two edges
-            case normal // alignment to readable guideline
-        }
     }
 }
 
diff --git a/Mastodon/Extension/UIView.swift b/Mastodon/Extension/UIView.swift
index 7e1ba379e..d9e3af5b5 100644
--- a/Mastodon/Extension/UIView.swift
+++ b/Mastodon/Extension/UIView.swift
@@ -20,10 +20,6 @@ extension UIView {
         return 1.0 / view.traitCollection.displayScale
     }
     
-    static var floatyButtonBottomMargin: CGFloat {
-        return 16
-    }
-    
 }
 
 // MARK: - Convinience view appearance modification method
diff --git a/Mastodon/Protocol/StatusProvider/StatusProviderFacade.swift b/Mastodon/Protocol/StatusProvider/StatusProviderFacade.swift
index eaf202c01..894461566 100644
--- a/Mastodon/Protocol/StatusProvider/StatusProviderFacade.swift
+++ b/Mastodon/Protocol/StatusProvider/StatusProviderFacade.swift
@@ -85,7 +85,7 @@ extension StatusProviderFacade {
                 os_log("%{public}s[%{public}ld], %{public}s: [Like] update local toot like status to: %s", ((#file as NSString).lastPathComponent), #line, #function, favoriteKind == .create ? "like" : "unlike")
             } receiveCompletion: { completion in
                 switch completion {
-                case .failure(let error):
+                case .failure:
                     // TODO: handle error
                     break
                 case .finished:
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
index 0091f06bf..8f74b81a4 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
@@ -90,16 +90,12 @@ extension HomeTimelineViewModel: NSFetchedResultsControllerDelegate {
                 
                 let isLast = i == timelineIndexes.count - 1
                 switch (isLast, timelineIndex.hasMore) {
-                case (true, false):
-                    attribute.separatorLineStyle = .normal
                 case (false, true):
-                    attribute.separatorLineStyle = .expand
                     newTimelineItems.append(.homeMiddleLoader(upperTimelineIndexAnchorObjectID: timelineIndex.objectID))
                 case (true, true):
-                    attribute.separatorLineStyle = .normal
                     shouldAddBottomLoader = true
-                case (false, false):
-                    attribute.separatorLineStyle = .indent
+                default:
+                    break
                 }
             }   // end for
             
diff --git a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
index ed1d083cc..758beed0c 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
@@ -18,6 +18,7 @@ protocol StatusTableViewCellDelegate: class {
 
 final class StatusTableViewCell: UITableViewCell {
     
+    static let bottomPaddingHeight: CGFloat = 10
     
     weak var delegate: StatusTableViewCellDelegate?
     
@@ -28,6 +29,7 @@ final class StatusTableViewCell: UITableViewCell {
         
     override func prepareForReuse() {
         super.prepareForReuse()
+        statusView.isStatusTextSensitive = false
         statusView.cleanUpContentWarning()
         disposeBag.removeAll()
         observations.removeAll()
@@ -43,6 +45,13 @@ final class StatusTableViewCell: UITableViewCell {
         _init()
     }
     
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        DispatchQueue.main.async {
+            self.statusView.drawContentWarningImageView()            
+        }
+    }
+    
 }
 
 extension StatusTableViewCell {
@@ -68,7 +77,7 @@ extension StatusTableViewCell {
             bottomPaddingView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
             bottomPaddingView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
             bottomPaddingView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
-            bottomPaddingView.heightAnchor.constraint(equalToConstant: 10).priority(.defaultHigh),
+            bottomPaddingView.heightAnchor.constraint(equalToConstant: StatusTableViewCell.bottomPaddingHeight).priority(.defaultHigh),
         ])
                 
         statusView.delegate = self
diff --git a/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
index 676f44ff2..f9508894a 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
@@ -10,7 +10,9 @@ import Combine
 
 class TimelineLoaderTableViewCell: UITableViewCell {
     
-    static let cellHeight: CGFloat = 48
+    static let cellHeight: CGFloat = 44 + TimelineLoaderTableViewCell.extraTopPadding + TimelineLoaderTableViewCell.bottomPadding
+    static let extraTopPadding: CGFloat = 3     // the status cell already has 10pt bottom padding
+    static let bottomPadding: CGFloat = StatusTableViewCell.bottomPaddingHeight + TimelineLoaderTableViewCell.extraTopPadding   // make balance
     
     var disposeBag = Set<AnyCancellable>()
     
@@ -50,18 +52,18 @@ class TimelineLoaderTableViewCell: UITableViewCell {
         loadMoreButton.translatesAutoresizingMaskIntoConstraints = false
         contentView.addSubview(loadMoreButton)
         NSLayoutConstraint.activate([
-            loadMoreButton.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 8),
+            loadMoreButton.topAnchor.constraint(equalTo: contentView.topAnchor, constant: TimelineLoaderTableViewCell.extraTopPadding),
             loadMoreButton.leadingAnchor.constraint(equalTo: contentView.readableContentGuide.leadingAnchor),
             contentView.readableContentGuide.trailingAnchor.constraint(equalTo: loadMoreButton.trailingAnchor),
-            contentView.bottomAnchor.constraint(equalTo: loadMoreButton.bottomAnchor, constant: 8),
-            loadMoreButton.heightAnchor.constraint(equalToConstant: TimelineLoaderTableViewCell.cellHeight - 2 * 8).priority(.defaultHigh),
+            contentView.bottomAnchor.constraint(equalTo: loadMoreButton.bottomAnchor, constant: TimelineLoaderTableViewCell.bottomPadding),
+            loadMoreButton.heightAnchor.constraint(equalToConstant: 44).priority(.defaultHigh),
         ])
         
         activityIndicatorView.translatesAutoresizingMaskIntoConstraints = false
         addSubview(activityIndicatorView)
         NSLayoutConstraint.activate([
-            activityIndicatorView.centerXAnchor.constraint(equalTo: centerXAnchor),
-            activityIndicatorView.centerYAnchor.constraint(equalTo: centerYAnchor),
+            activityIndicatorView.centerXAnchor.constraint(equalTo: loadMoreButton.centerXAnchor),
+            activityIndicatorView.centerYAnchor.constraint(equalTo: loadMoreButton.centerYAnchor),
         ])
         
         loadMoreButton.isHidden = true
diff --git a/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
index d768865d6..6c692b646 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
@@ -23,16 +23,6 @@ final class TimelineMiddleLoaderTableViewCell: TimelineLoaderTableViewCell {
         
         backgroundColor = .clear
         
-        let separatorLine = UIView.separatorLine
-        separatorLine.translatesAutoresizingMaskIntoConstraints = false
-        contentView.addSubview(separatorLine)
-        NSLayoutConstraint.activate([
-            separatorLine.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
-            contentView.trailingAnchor.constraint(equalTo: separatorLine.trailingAnchor),
-            contentView.bottomAnchor.constraint(equalTo: separatorLine.bottomAnchor),
-            separatorLine.heightAnchor.constraint(equalToConstant: UIView.separatorLineHeight(of: separatorLine))
-        ])
-        
         loadMoreButton.isHidden = false
         loadMoreButton.setImage(Asset.Arrows.arrowTriangle2Circlepath.image.withRenderingMode(.alwaysTemplate), for: .normal)
         loadMoreButton.setInsets(forContentPadding: .zero, imageTitlePadding: 4)
diff --git a/Mastodon/Service/APIService/APIService+Favorite.swift b/Mastodon/Service/APIService/APIService+Favorite.swift
index 8dd4839ac..34bd3f0e4 100644
--- a/Mastodon/Service/APIService/APIService+Favorite.swift
+++ b/Mastodon/Service/APIService/APIService+Favorite.swift
@@ -139,7 +139,7 @@ extension APIService {
                 return APIService.Persist.persistTimeline(
                     managedObjectContext: self.backgroundManagedObjectContext,
                     domain: mastodonAuthenticationBox.domain,
-                    query: query as! TimelineQueryType,
+                    query: query,
                     response: response,
                     persistType: .likeList,
                     requestMastodonUserID: requestMastodonUserID,

From 10594d1eb67153e775102877b8da7912ec75e61a Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 18:41:40 +0800
Subject: [PATCH 07/11] feat: store view state to prevent redundant image
 rending

---
 Mastodon/Diffiable/Section/StatusSection.swift        |  1 +
 .../HomeTimeline/HomeTimelineViewController.swift     | 11 ++---------
 Mastodon/Scene/Share/View/Content/StatusView.swift    |  5 ++++-
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/Mastodon/Diffiable/Section/StatusSection.swift b/Mastodon/Diffiable/Section/StatusSection.swift
index 4cc19bdc3..64b49ad2b 100644
--- a/Mastodon/Diffiable/Section/StatusSection.swift
+++ b/Mastodon/Diffiable/Section/StatusSection.swift
@@ -96,6 +96,7 @@ extension StatusSection {
         
         // set content warning
         let isStatusTextSensitive = statusContentWarningAttribute?.isStatusTextSensitive ?? (toot.reblog ?? toot).sensitive
+        cell.statusView.isStatusTextSensitive = isStatusTextSensitive
         cell.statusView.updateContentWarningDisplay(isHidden: !isStatusTextSensitive)
         cell.statusView.contentWarningTitle.text = (toot.reblog ?? toot).spoilerText.flatMap { spoilerText in
             guard !spoilerText.isEmpty else { return nil }
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
index 906708fac..125ce8545 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
@@ -200,14 +200,7 @@ extension HomeTimelineViewController: UITableViewDelegate {
 
         return ceil(frame.height)
     }
-    
-    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
-        if let cell = cell as? StatusTableViewCell {
-            DispatchQueue.main.async {
-                cell.statusView.drawContentWarningImageView()
-            }
-        }
-    }
+
 }
 
 // MARK: - ContentOffsetAdjustableTimelineViewControllerDelegate
@@ -227,7 +220,7 @@ extension HomeTimelineViewController: TimelineMiddleLoaderTableViewCellDelegate
         viewModel.loadMiddleSateMachineList
             .receive(on: DispatchQueue.main)
             .sink { [weak self] ids in
-                guard let self = self else { return }
+                guard let _ = self else { return }
                 if let stateMachine = ids[upperTimelineIndexObjectID] {
                     guard let state = stateMachine.currentState else {
                         assertionFailure()
diff --git a/Mastodon/Scene/Share/View/Content/StatusView.swift b/Mastodon/Scene/Share/View/Content/StatusView.swift
index 1bedb945e..d52def46c 100644
--- a/Mastodon/Scene/Share/View/Content/StatusView.swift
+++ b/Mastodon/Scene/Share/View/Content/StatusView.swift
@@ -22,6 +22,7 @@ final class StatusView: UIView {
     static let contentWarningBlurRadius: CGFloat = 12
     
     weak var delegate: StatusViewDelegate?
+    var isStatusTextSensitive = false
     
     let headerContainerStackView = UIStackView()
     
@@ -281,7 +282,9 @@ extension StatusView {
     }
     
     func drawContentWarningImageView() {
-        guard activeTextLabel.frame != .zero, let text = activeTextLabel.text, !text.isEmpty else {
+        guard activeTextLabel.frame != .zero,
+              isStatusTextSensitive,
+              let text = activeTextLabel.text, !text.isEmpty else {
             cleanUpContentWarning()
             return
         }

From b2706a50da2e8fd786dc3e1d28d271878e38753b Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 19:08:30 +0800
Subject: [PATCH 08/11] chore: update sign up alert. Update gitignore for i18n
 files

---
 .gitignore                                    |  4 +-
 .../StringsConvertor/input/en_US/app.json     | 83 -------------------
 .../input/en_US/ios-infoPlist.json            |  4 -
 .../output/en.lproj/Localizable.strings       | 40 ---------
 .../output/en.lproj/infoPlist.strings         |  2 -
 Localization/app.json                         | 10 ++-
 Mastodon/Extension/UIAlertController.swift    | 26 ++++--
 Mastodon/Generated/Strings.swift              | 10 +++
 .../Resources/en.lproj/Localizable.strings    |  2 +
 .../AuthenticationViewController.swift        |  2 +-
 .../MastodonRegisterViewController.swift      |  2 +-
 .../Scene/MainTab/MainTabBarController.swift  |  2 +-
 .../TimelineBottomLoaderTableViewCell.swift   | 17 ++++
 .../TimelineMiddleLoaderTableViewCell.swift   | 17 ++++
 14 files changed, 78 insertions(+), 143 deletions(-)
 delete mode 100644 Localization/StringsConvertor/input/en_US/app.json
 delete mode 100644 Localization/StringsConvertor/input/en_US/ios-infoPlist.json
 delete mode 100644 Localization/StringsConvertor/output/en.lproj/Localizable.strings
 delete mode 100644 Localization/StringsConvertor/output/en.lproj/infoPlist.strings

diff --git a/.gitignore b/.gitignore
index 13d57e655..51ba722ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -118,4 +118,6 @@ xcuserdata
 **/xcshareddata/WorkspaceSettings.xcsettings
 
 # End of https://www.toptal.com/developers/gitignore/api/swift,swiftpm,xcode,cocoapods
-n
\ No newline at end of file
+
+Mastodon/Localization/StringsConvertor/input
+Mastodon/Localization/StringsConvertor/output
\ No newline at end of file
diff --git a/Localization/StringsConvertor/input/en_US/app.json b/Localization/StringsConvertor/input/en_US/app.json
deleted file mode 100644
index 8fa054563..000000000
--- a/Localization/StringsConvertor/input/en_US/app.json
+++ /dev/null
@@ -1,83 +0,0 @@
-{
-    "common": {
-        "alerts": {},
-        "controls": {
-            "actions": {
-                "add": "Add",
-                "remove": "Remove",
-                "edit": "Edit",
-                "save": "Save",
-                "ok": "OK",
-                "confirm": "Confirm",
-                "continue": "Continue",
-                "cancel": "Cancel",
-                "take_photo": "Take photo",
-                "save_photo": "Save photo",
-                "sign_in": "Sign in",
-                "sign_up": "Sign up",
-                "see_more": "See More",
-                "preview": "Preview",
-                "open_in_safari": "Open in Safari"
-            },
-            "status": {
-                "user_boosted": "%s boosted",
-                "content_warning": "content warning",
-                "show_post": "Show Post"
-            },
-            "timeline": {
-                "load_more": "Load More"
-            }
-        },
-        "countable": {
-            "photo": {
-                "single": "photo",
-                "multiple": "photos"
-            }
-        }
-    },
-    "scene": {
-        "welcome": {
-            "slogan": "Social networking\nback in your hands."
-        },
-        "server_picker": {
-            "title": "Pick a Server,\nany server.",
-            "input": {
-                "placeholder": "Find a server or join your own..."
-            }
-        },
-        "register": {
-            "title": "Tell us about you.",
-            "input": {
-                "username": {
-                    "placeholder": "username",
-                    "duplicate_prompt": "This username is taken."
-                },
-                "display_name": {
-                    "placeholder": "display name"
-                },
-                "email": {
-                    "placeholder": "email"
-                },
-                "password": {
-                    "placeholder": "password",
-                    "prompt": "Your password needs at least:",
-                    "prompt_eight_characters": "Eight characters"
-                }
-            }
-        },
-        "server_rules": {
-            "title": "Some ground rules.",
-            "subtitle": "These rules are set by the admins of %s.",
-            "prompt": "By continuing, you're subject to the terms of service and privacy policy for %s.",
-            "button": {
-                "confirm": "I Agree"
-            }
-        },
-        "home_timeline": {
-            "title": "Home"
-        },
-        "public_timeline": {
-            "title": "Public"
-        }
-    }
-}
diff --git a/Localization/StringsConvertor/input/en_US/ios-infoPlist.json b/Localization/StringsConvertor/input/en_US/ios-infoPlist.json
deleted file mode 100644
index 0a260c273..000000000
--- a/Localization/StringsConvertor/input/en_US/ios-infoPlist.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-    "NSCameraUsageDescription": "Used to take photo for toot",
-    "NSPhotoLibraryAddUsageDescription": "Used to save photo into the Photo Library"
-}
diff --git a/Localization/StringsConvertor/output/en.lproj/Localizable.strings b/Localization/StringsConvertor/output/en.lproj/Localizable.strings
deleted file mode 100644
index 75dc3999b..000000000
--- a/Localization/StringsConvertor/output/en.lproj/Localizable.strings
+++ /dev/null
@@ -1,40 +0,0 @@
-"Common.Controls.Actions.Add" = "Add";
-"Common.Controls.Actions.Cancel" = "Cancel";
-"Common.Controls.Actions.Confirm" = "Confirm";
-"Common.Controls.Actions.Continue" = "Continue";
-"Common.Controls.Actions.Edit" = "Edit";
-"Common.Controls.Actions.Ok" = "OK";
-"Common.Controls.Actions.OpenInSafari" = "Open in Safari";
-"Common.Controls.Actions.Preview" = "Preview";
-"Common.Controls.Actions.Remove" = "Remove";
-"Common.Controls.Actions.Save" = "Save";
-"Common.Controls.Actions.SavePhoto" = "Save photo";
-"Common.Controls.Actions.SeeMore" = "See More";
-"Common.Controls.Actions.SignIn" = "Sign in";
-"Common.Controls.Actions.SignUp" = "Sign up";
-"Common.Controls.Actions.TakePhoto" = "Take photo";
-"Common.Controls.Status.ContentWarning" = "content warning";
-"Common.Controls.Status.ShowPost" = "Show Post";
-"Common.Controls.Status.UserBoosted" = "%@ boosted";
-"Common.Controls.Timeline.LoadMore" = "Load More";
-"Common.Countable.Photo.Multiple" = "photos";
-"Common.Countable.Photo.Single" = "photo";
-"Scene.HomeTimeline.Title" = "Home";
-"Scene.PublicTimeline.Title" = "Public";
-"Scene.Register.Input.DisplayName.Placeholder" = "display name";
-"Scene.Register.Input.Email.Placeholder" = "email";
-"Scene.Register.Input.Password.Placeholder" = "password";
-"Scene.Register.Input.Password.Prompt" = "Your password needs at least:";
-"Scene.Register.Input.Password.PromptEightCharacters" = "Eight characters";
-"Scene.Register.Input.Username.DuplicatePrompt" = "This username is taken.";
-"Scene.Register.Input.Username.Placeholder" = "username";
-"Scene.Register.Title" = "Tell us about you.";
-"Scene.ServerPicker.Input.Placeholder" = "Find a server or join your own...";
-"Scene.ServerPicker.Title" = "Pick a Server,
-any server.";
-"Scene.ServerRules.Button.Confirm" = "I Agree";
-"Scene.ServerRules.Prompt" = "By continuing, you're subject to the terms of service and privacy policy for %@.";
-"Scene.ServerRules.Subtitle" = "These rules are set by the admins of %@.";
-"Scene.ServerRules.Title" = "Some ground rules.";
-"Scene.Welcome.Slogan" = "Social networking
-back in your hands.";
\ No newline at end of file
diff --git a/Localization/StringsConvertor/output/en.lproj/infoPlist.strings b/Localization/StringsConvertor/output/en.lproj/infoPlist.strings
deleted file mode 100644
index 972e1a7a2..000000000
--- a/Localization/StringsConvertor/output/en.lproj/infoPlist.strings
+++ /dev/null
@@ -1,2 +0,0 @@
-"NSCameraUsageDescription" = "Used to take photo for toot";
-"NSPhotoLibraryAddUsageDescription" = "Used to save photo into the Photo Library";
\ No newline at end of file
diff --git a/Localization/app.json b/Localization/app.json
index 8fa054563..56a54a7f4 100644
--- a/Localization/app.json
+++ b/Localization/app.json
@@ -1,6 +1,14 @@
 {
     "common": {
-        "alerts": {},
+        "alerts": {
+            "sign_up_failure": {
+                "title": "Sign Up Failure"
+            },
+            "server_error": {
+                "title": "Server Error"
+            }
+            
+        },
         "controls": {
             "actions": {
                 "add": "Add",
diff --git a/Mastodon/Extension/UIAlertController.swift b/Mastodon/Extension/UIAlertController.swift
index 7abe20cbd..83c0ff555 100644
--- a/Mastodon/Extension/UIAlertController.swift
+++ b/Mastodon/Extension/UIAlertController.swift
@@ -9,26 +9,34 @@ import UIKit
 // https://nshipster.com/swift-foundation-error-protocols/
 extension UIAlertController {
     convenience init(
-        _ error: Error,
+        for error: Error,
+        title: String?,
         preferredStyle: UIAlertController.Style
     ) {
-        let title: String
+        let _title: String
         let message: String?
         if let error = error as? LocalizedError {
-            title = error.errorDescription ?? "Unknown Error"
-            message = [
+            var messages: [String?] = []
+            if let title = title {
+                _title = title
+                messages.append(error.errorDescription)
+            } else {
+                _title = error.errorDescription ?? "Error"
+            }
+            messages.append(contentsOf: [
                 error.failureReason,
                 error.recoverySuggestion
-            ]
-            .compactMap { $0 }
-            .joined(separator: " ")
+            ])
+            message = messages
+                .compactMap { $0 }
+                .joined(separator: " ")
         } else {
-            title = "Internal Error"
+            _title = "Internal Error"
             message = error.localizedDescription
         }
         
         self.init(
-            title: title,
+            title: _title,
             message: message,
             preferredStyle: preferredStyle
         )
diff --git a/Mastodon/Generated/Strings.swift b/Mastodon/Generated/Strings.swift
index 7b9d9eca5..fa641fbbb 100644
--- a/Mastodon/Generated/Strings.swift
+++ b/Mastodon/Generated/Strings.swift
@@ -12,6 +12,16 @@ import Foundation
 internal enum L10n {
 
   internal enum Common {
+    internal enum Alerts {
+      internal enum ServerError {
+        /// Server Error
+        internal static let title = L10n.tr("Localizable", "Common.Alerts.ServerError.Title")
+      }
+      internal enum SignUpFailure {
+        /// Sign Up Failure
+        internal static let title = L10n.tr("Localizable", "Common.Alerts.SignUpFailure.Title")
+      }
+    }
     internal enum Controls {
       internal enum Actions {
         /// Add
diff --git a/Mastodon/Resources/en.lproj/Localizable.strings b/Mastodon/Resources/en.lproj/Localizable.strings
index 75dc3999b..efb3fed70 100644
--- a/Mastodon/Resources/en.lproj/Localizable.strings
+++ b/Mastodon/Resources/en.lproj/Localizable.strings
@@ -1,3 +1,5 @@
+"Common.Alerts.ServerError.Title" = "Server Error";
+"Common.Alerts.SignUpFailure.Title" = "Sign Up Failure";
 "Common.Controls.Actions.Add" = "Add";
 "Common.Controls.Actions.Cancel" = "Cancel";
 "Common.Controls.Actions.Confirm" = "Confirm";
diff --git a/Mastodon/Scene/Authentication/AuthenticationViewController.swift b/Mastodon/Scene/Authentication/AuthenticationViewController.swift
index 5ab500bc2..a4a96dd59 100644
--- a/Mastodon/Scene/Authentication/AuthenticationViewController.swift
+++ b/Mastodon/Scene/Authentication/AuthenticationViewController.swift
@@ -195,7 +195,7 @@ extension AuthenticationViewController {
             .receive(on: DispatchQueue.main)
             .sink { [weak self] error in
                 guard let self = self else { return }
-                let alertController = UIAlertController(error, preferredStyle: .alert)
+                let alertController = UIAlertController(for: error, title: nil, preferredStyle: .alert)
                 let okAction = UIAlertAction(title: "OK", style: .default, handler: nil)
                 alertController.addAction(okAction)
                 self.coordinator.present(
diff --git a/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift b/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
index 1ebb17bd5..1ff30bf66 100644
--- a/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
+++ b/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
@@ -398,7 +398,7 @@ extension MastodonRegisterViewController {
             .receive(on: DispatchQueue.main)
             .sink { [weak self] error in
                 guard let self = self else { return }
-                let alertController = UIAlertController(error, preferredStyle: .alert)
+                let alertController = UIAlertController(for: error, title: "Sign Up Failure", preferredStyle: .alert)
                 let okAction = UIAlertAction(title: L10n.Common.Controls.Actions.ok, style: .default, handler: nil)
                 alertController.addAction(okAction)
                 self.coordinator.present(
diff --git a/Mastodon/Scene/MainTab/MainTabBarController.swift b/Mastodon/Scene/MainTab/MainTabBarController.swift
index c946ffefe..a556854e5 100644
--- a/Mastodon/Scene/MainTab/MainTabBarController.swift
+++ b/Mastodon/Scene/MainTab/MainTabBarController.swift
@@ -112,7 +112,7 @@ extension MainTabBarController {
                 case .implicit:
                     break
                 case .explicit:
-                    let alertController = UIAlertController(error, preferredStyle: .alert)
+                    let alertController = UIAlertController(for: error, title: nil, preferredStyle: .alert)
                     let okAction = UIAlertAction(title: "OK", style: .default, handler: nil)
                     alertController.addAction(okAction)
                     coordinator.present(
diff --git a/Mastodon/Scene/Share/View/TableviewCell/TimelineBottomLoaderTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/TimelineBottomLoaderTableViewCell.swift
index 2dfbd6257..7fe4c0a77 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/TimelineBottomLoaderTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/TimelineBottomLoaderTableViewCell.swift
@@ -17,3 +17,20 @@ final class TimelineBottomLoaderTableViewCell: TimelineLoaderTableViewCell {
         activityIndicatorView.startAnimating()
     }
 }
+
+#if canImport(SwiftUI) && DEBUG
+import SwiftUI
+
+struct TimelineBottomLoaderTableViewCell_Previews: PreviewProvider {
+    
+    static var previews: some View {
+        UIViewPreview(width: 375) {
+            TimelineBottomLoaderTableViewCell()
+        }
+        .previewLayout(.fixed(width: 375, height: 100))
+    }
+    
+}
+
+#endif
+
diff --git a/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
index 6c692b646..16ab241f0 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/TimelineMiddleLoaderTableViewCell.swift
@@ -36,3 +36,20 @@ extension TimelineMiddleLoaderTableViewCell {
         delegate?.timelineMiddleLoaderTableViewCell(self, loadMoreButtonDidPressed: sender)
     }
 }
+
+#if canImport(SwiftUI) && DEBUG
+import SwiftUI
+
+struct TimelineMiddleLoaderTableViewCell_Previews: PreviewProvider {
+    
+    static var previews: some View {
+        UIViewPreview(width: 375) {
+            TimelineMiddleLoaderTableViewCell()
+        }
+        .previewLayout(.fixed(width: 375, height: 100))
+    }
+    
+}
+
+#endif
+

From 0ad43fb0ebf1f794ddd01cfa3225eb79803e62bc Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Wed, 24 Feb 2021 19:19:16 +0800
Subject: [PATCH 09/11] chore: update Xcode Preview for StatusView. Rename
 MosaicImageView to MosaicImageViewContainer

---
 Mastodon.xcodeproj/project.pbxproj            |  8 ++---
 .../Diffiable/Section/StatusSection.swift     |  6 ++--
 ...w.swift => MosaicImageViewContainer.swift} | 34 +++++++++----------
 .../Scene/Share/View/Content/StatusView.swift | 21 +++++++++---
 4 files changed, 40 insertions(+), 29 deletions(-)
 rename Mastodon/Scene/Share/View/Container/{MosaicImageView.swift => MosaicImageViewContainer.swift} (90%)

diff --git a/Mastodon.xcodeproj/project.pbxproj b/Mastodon.xcodeproj/project.pbxproj
index 821dc8a60..37a4a52af 100644
--- a/Mastodon.xcodeproj/project.pbxproj
+++ b/Mastodon.xcodeproj/project.pbxproj
@@ -138,7 +138,7 @@
 		DB9D6BE925E4F5340051B173 /* SearchViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6BE825E4F5340051B173 /* SearchViewController.swift */; };
 		DB9D6BF825E4F5690051B173 /* NotificationViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6BF725E4F5690051B173 /* NotificationViewController.swift */; };
 		DB9D6BFF25E4F5940051B173 /* ProfileViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6BFE25E4F5940051B173 /* ProfileViewController.swift */; };
-		DB9D6C0E25E4F9780051B173 /* MosaicImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6C0D25E4F9780051B173 /* MosaicImageView.swift */; };
+		DB9D6C0E25E4F9780051B173 /* MosaicImageViewContainer.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6C0D25E4F9780051B173 /* MosaicImageViewContainer.swift */; };
 		DB9D6C2425E502C60051B173 /* MosaicImageViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6C2225E502C60051B173 /* MosaicImageViewModel.swift */; };
 		DB9D6C2E25E504AC0051B173 /* Attachment.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6C2D25E504AC0051B173 /* Attachment.swift */; };
 		DB9D6C3825E508BE0051B173 /* Attachment.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB9D6C3725E508BE0051B173 /* Attachment.swift */; };
@@ -340,7 +340,7 @@
 		DB9D6BE825E4F5340051B173 /* SearchViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchViewController.swift; sourceTree = "<group>"; };
 		DB9D6BF725E4F5690051B173 /* NotificationViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationViewController.swift; sourceTree = "<group>"; };
 		DB9D6BFE25E4F5940051B173 /* ProfileViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileViewController.swift; sourceTree = "<group>"; };
-		DB9D6C0D25E4F9780051B173 /* MosaicImageView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MosaicImageView.swift; sourceTree = "<group>"; };
+		DB9D6C0D25E4F9780051B173 /* MosaicImageViewContainer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MosaicImageViewContainer.swift; sourceTree = "<group>"; };
 		DB9D6C2225E502C60051B173 /* MosaicImageViewModel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MosaicImageViewModel.swift; sourceTree = "<group>"; };
 		DB9D6C2D25E504AC0051B173 /* Attachment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Attachment.swift; sourceTree = "<group>"; };
 		DB9D6C3725E508BE0051B173 /* Attachment.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Attachment.swift; sourceTree = "<group>"; };
@@ -953,7 +953,7 @@
 		DB9D6C1325E4F97A0051B173 /* Container */ = {
 			isa = PBXGroup;
 			children = (
-				DB9D6C0D25E4F9780051B173 /* MosaicImageView.swift */,
+				DB9D6C0D25E4F9780051B173 /* MosaicImageViewContainer.swift */,
 			);
 			path = Container;
 			sourceTree = "<group>";
@@ -1388,7 +1388,7 @@
 				DB0140A825C40C1500F9F3CF /* MastodonPinBasedAuthenticationViewModelNavigationDelegateShim.swift in Sources */,
 				DB2B3AE925E38850007045F9 /* UIViewPreview.swift in Sources */,
 				DB427DD625BAA00100D1B89D /* AppDelegate.swift in Sources */,
-				DB9D6C0E25E4F9780051B173 /* MosaicImageView.swift in Sources */,
+				DB9D6C0E25E4F9780051B173 /* MosaicImageViewContainer.swift in Sources */,
 				DB98338725C945ED00AD9700 /* Strings.swift in Sources */,
 				DB45FAB625CA5485005A8AC7 /* UIAlertController.swift in Sources */,
 				DBE0821525CD382600FD6BBD /* MastodonRegisterViewController.swift in Sources */,
diff --git a/Mastodon/Diffiable/Section/StatusSection.swift b/Mastodon/Diffiable/Section/StatusSection.swift
index 64b49ad2b..727f4074f 100644
--- a/Mastodon/Diffiable/Section/StatusSection.swift
+++ b/Mastodon/Diffiable/Section/StatusSection.swift
@@ -128,14 +128,14 @@ extension StatusSection {
         }()
         if mosiacImageViewModel.metas.count == 1 {
             let meta = mosiacImageViewModel.metas[0]
-            let imageView = cell.statusView.mosaicImageView.setupImageView(aspectRatio: meta.size, maxSize: imageViewMaxSize)
+            let imageView = cell.statusView.statusMosaicImageView.setupImageView(aspectRatio: meta.size, maxSize: imageViewMaxSize)
             imageView.af.setImage(
                 withURL: meta.url,
                 placeholderImage: UIImage.placeholder(color: .systemFill),
                 imageTransition: .crossDissolve(0.2)
             )
         } else {
-            let imageViews = cell.statusView.mosaicImageView.setupImageViews(count: mosiacImageViewModel.metas.count, maxHeight: imageViewMaxSize.height)
+            let imageViews = cell.statusView.statusMosaicImageView.setupImageViews(count: mosiacImageViewModel.metas.count, maxHeight: imageViewMaxSize.height)
             for (i, imageView) in imageViews.enumerated() {
                 let meta = mosiacImageViewModel.metas[i]
                 imageView.af.setImage(
@@ -145,7 +145,7 @@ extension StatusSection {
                 )
             }
         }
-        cell.statusView.mosaicImageView.isHidden = mosiacImageViewModel.metas.isEmpty
+        cell.statusView.statusMosaicImageView.isHidden = mosiacImageViewModel.metas.isEmpty
 
         // toolbar
         let replyCountTitle: String = {
diff --git a/Mastodon/Scene/Share/View/Container/MosaicImageView.swift b/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
similarity index 90%
rename from Mastodon/Scene/Share/View/Container/MosaicImageView.swift
rename to Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
index 5f8c877db..14e2012e0 100644
--- a/Mastodon/Scene/Share/View/Container/MosaicImageView.swift
+++ b/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
@@ -1,5 +1,5 @@
 //
-//  MosaicImageView.swift
+//  MosaicImageViewContainer.swift
 //  Mastodon
 //
 //  Created by Cirno MainasuK on 2021-2-23.
@@ -9,15 +9,15 @@ import os.log
 import func AVFoundation.AVMakeRect
 import UIKit
 
-protocol MosaicImageViewPresentable: class {
-    var mosaicImageView: MosaicImageView { get }
+protocol MosaicImageViewContainerPresentable: class {
+    var mosaicImageViewContainer: MosaicImageViewContainer { get }
 }
 
 protocol MosaicImageViewDelegate: class {
-    func mosaicImageView(_ mosaicImageView: MosaicImageView, didTapImageView imageView: UIImageView, atIndex index: Int)
+    func mosaicImageViewContainer(_ mosaicImageViewContainer: MosaicImageViewContainer, didTapImageView imageView: UIImageView, atIndex index: Int)
 }
 
-final class MosaicImageView: UIView {
+final class MosaicImageViewContainer: UIView {
 
     static let cornerRadius: CGFloat = 4
 
@@ -29,7 +29,7 @@ final class MosaicImageView: UIView {
             imageViews.forEach { imageView in
                 imageView.isUserInteractionEnabled = true
                 let tapGesture = UITapGestureRecognizer.singleTapGestureRecognizer
-                tapGesture.addTarget(self, action: #selector(MosaicImageView.photoTapGestureRecognizerHandler(_:)))
+                tapGesture.addTarget(self, action: #selector(MosaicImageViewContainer.photoTapGestureRecognizerHandler(_:)))
                 imageView.addGestureRecognizer(tapGesture)
             }
         }
@@ -49,7 +49,7 @@ final class MosaicImageView: UIView {
     
 }
 
-extension MosaicImageView {
+extension MosaicImageViewContainer {
     
     private func _init() {
         container.translatesAutoresizingMaskIntoConstraints = false
@@ -69,7 +69,7 @@ extension MosaicImageView {
     
 }
 
-extension MosaicImageView {
+extension MosaicImageViewContainer {
     
     func reset() {
         container.arrangedSubviews.forEach { subview in
@@ -99,7 +99,7 @@ extension MosaicImageView {
         let imageView = UIImageView()
         imageViews.append(imageView)
         imageView.layer.masksToBounds = true
-        imageView.layer.cornerRadius = MosaicImageView.cornerRadius
+        imageView.layer.cornerRadius = MosaicImageViewContainer.cornerRadius
         imageView.contentMode = .scaleAspectFill
         
         imageView.translatesAutoresizingMaskIntoConstraints = false
@@ -142,7 +142,7 @@ extension MosaicImageView {
         self.imageViews.append(contentsOf: imageViews)
         imageViews.forEach { imageView in
             imageView.layer.masksToBounds = true
-            imageView.layer.cornerRadius = MosaicImageView.cornerRadius
+            imageView.layer.cornerRadius = MosaicImageViewContainer.cornerRadius
             imageView.layer.cornerCurve = .continuous
             imageView.contentMode = .scaleAspectFill
         }
@@ -195,13 +195,13 @@ extension MosaicImageView {
     }
 }
 
-extension MosaicImageView {
+extension MosaicImageViewContainer {
 
     @objc private func photoTapGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
         guard let imageView = sender.view as? UIImageView else { return }
         guard let index = imageViews.firstIndex(of: imageView) else { return }
         os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: tap photo at index: %ld", ((#file as NSString).lastPathComponent), #line, #function, index)
-        delegate?.mosaicImageView(self, didTapImageView: imageView, atIndex: index)
+        delegate?.mosaicImageViewContainer(self, didTapImageView: imageView, atIndex: index)
     }
 }
 
@@ -218,7 +218,7 @@ struct MosaicImageView_Previews: PreviewProvider {
     static var previews: some View {
         Group {
             UIViewPreview(width: 375) {
-                let view = MosaicImageView()
+                let view = MosaicImageViewContainer()
                 let image = images[3]
                 let imageView = view.setupImageView(
                     aspectRatio: image.size,
@@ -230,7 +230,7 @@ struct MosaicImageView_Previews: PreviewProvider {
             .previewLayout(.fixed(width: 375, height: 400))
             .previewDisplayName("Portrait - one image")
             UIViewPreview(width: 375) {
-                let view = MosaicImageView()
+                let view = MosaicImageViewContainer()
                 let image = images[1]
                 let imageView = view.setupImageView(
                     aspectRatio: image.size,
@@ -245,7 +245,7 @@ struct MosaicImageView_Previews: PreviewProvider {
             .previewLayout(.fixed(width: 375, height: 400))
             .previewDisplayName("Landscape - one image")
             UIViewPreview(width: 375) {
-                let view = MosaicImageView()
+                let view = MosaicImageViewContainer()
                 let images = self.images.prefix(2)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
                 for (i, imageView) in imageViews.enumerated() {
@@ -256,7 +256,7 @@ struct MosaicImageView_Previews: PreviewProvider {
             .previewLayout(.fixed(width: 375, height: 200))
             .previewDisplayName("two image")
             UIViewPreview(width: 375) {
-                let view = MosaicImageView()
+                let view = MosaicImageViewContainer()
                 let images = self.images.prefix(3)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
                 for (i, imageView) in imageViews.enumerated() {
@@ -267,7 +267,7 @@ struct MosaicImageView_Previews: PreviewProvider {
             .previewLayout(.fixed(width: 375, height: 200))
             .previewDisplayName("three image")
             UIViewPreview(width: 375) {
-                let view = MosaicImageView()
+                let view = MosaicImageViewContainer()
                 let images = self.images.prefix(4)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
                 for (i, imageView) in imageViews.enumerated() {
diff --git a/Mastodon/Scene/Share/View/Content/StatusView.swift b/Mastodon/Scene/Share/View/Content/StatusView.swift
index d52def46c..2d8d966b9 100644
--- a/Mastodon/Scene/Share/View/Content/StatusView.swift
+++ b/Mastodon/Scene/Share/View/Content/StatusView.swift
@@ -99,7 +99,7 @@ final class StatusView: UIView {
         button.setTitle(L10n.Common.Controls.Status.showPost, for: .normal)
         return button
     }()
-    let mosaicImageView = MosaicImageView()
+    let statusMosaicImageView = MosaicImageViewContainer()
     
     // do not use visual effect view due to we blur text only without background
     let contentWarningBlurContentImageView: UIImageView = {
@@ -257,7 +257,7 @@ extension StatusView {
         ])
         statusContentWarningContainerStackView.addArrangedSubview(contentWarningTitle)
         statusContentWarningContainerStackView.addArrangedSubview(contentWarningActionButton)
-        statusContainerStackView.addArrangedSubview(mosaicImageView)
+        statusContainerStackView.addArrangedSubview(statusMosaicImageView)
         
         
         // action toolbar container
@@ -265,7 +265,7 @@ extension StatusView {
         actionToolbarContainer.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
 
         headerContainerStackView.isHidden = true
-        mosaicImageView.isHidden = true
+        statusMosaicImageView.isHidden = true
         contentWarningBlurContentImageView.isHidden = true
         statusContentWarningContainerStackView.isHidden = true
         statusContentWarningContainerStackViewBottomLayoutConstraint.isActive = false
@@ -343,7 +343,7 @@ struct StatusView_Previews: PreviewProvider {
             }
             .previewLayout(.fixed(width: 375, height: 200))
             UIViewPreview(width: 375) {
-                let statusView = StatusView()
+                let statusView = StatusView(frame: CGRect(x: 0, y: 0, width: 375, height: 500))
                 statusView.configure(
                     with: AvatarConfigurableViewConfiguration(
                         avatarImageURL: nil,
@@ -351,9 +351,20 @@ struct StatusView_Previews: PreviewProvider {
                     )
                 )
                 statusView.headerContainerStackView.isHidden = false
+                statusView.isStatusTextSensitive = true
+                statusView.setNeedsLayout()
+                statusView.layoutIfNeeded()
+                statusView.drawContentWarningImageView()
+                statusView.updateContentWarningDisplay(isHidden: false)
+                let images = MosaicImageView_Previews.images
+                let imageViews = statusView.statusMosaicImageView.setupImageViews(count: 4, maxHeight: 162)
+                for (i, imageView) in imageViews.enumerated() {
+                    imageView.image = images[i]
+                }
+                statusView.statusMosaicImageView.isHidden = false
                 return statusView
             }
-            .previewLayout(.fixed(width: 375, height: 200))
+            .previewLayout(.fixed(width: 375, height: 380))
         }
     }
     

From ccc8741ccd1b695d927a87a10f976f42fce669fa Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Thu, 25 Feb 2021 11:48:16 +0800
Subject: [PATCH 10/11] chore: set public timeline title and update loader
 height

---
 .../Scene/PublicTimeline/PublicTimelineViewController.swift     | 1 +
 .../Share/View/TableviewCell/TimelineLoaderTableViewCell.swift  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift b/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
index 62993bfb5..5a5001c19 100644
--- a/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
+++ b/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
@@ -42,6 +42,7 @@ extension PublicTimelineViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         
+        title = "Public"
         view.backgroundColor = Asset.Colors.Background.systemGroupedBackground.color
         
         tableView.refreshControl = refreshControl
diff --git a/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
index f9508894a..6aa195241 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/TimelineLoaderTableViewCell.swift
@@ -11,7 +11,7 @@ import Combine
 class TimelineLoaderTableViewCell: UITableViewCell {
     
     static let cellHeight: CGFloat = 44 + TimelineLoaderTableViewCell.extraTopPadding + TimelineLoaderTableViewCell.bottomPadding
-    static let extraTopPadding: CGFloat = 3     // the status cell already has 10pt bottom padding
+    static let extraTopPadding: CGFloat = 0     // the status cell already has 10pt bottom padding
     static let bottomPadding: CGFloat = StatusTableViewCell.bottomPaddingHeight + TimelineLoaderTableViewCell.extraTopPadding   // make balance
     
     var disposeBag = Set<AnyCancellable>()

From 414aa086b4ab5bc943db3b158c61c270ae6c5a31 Mon Sep 17 00:00:00 2001
From: CMK <cirno.mainasuk@gmail.com>
Date: Thu, 25 Feb 2021 13:47:30 +0800
Subject: [PATCH 11/11] feat: implement image media content warning overlay

---
 .gitignore                                    |  4 +-
 Localization/app.json                         |  5 +-
 Mastodon/Diffiable/Item/Item.swift            | 12 ++-
 .../Diffiable/Section/StatusSection.swift     | 19 +++--
 Mastodon/Generated/Strings.swift              |  6 +-
 ...er+TimelinePostTableViewCellDelegate.swift | 36 +++++++++
 .../Resources/en.lproj/Localizable.strings    |  3 +-
 .../HomeTimelineViewModel+Diffable.swift      |  7 +-
 .../PublicTimelineViewController.swift        |  5 +-
 .../PublicTimelineViewModel+Diffable.swift    |  7 +-
 .../Container/MosaicImageViewContainer.swift  | 81 +++++++++++++++++--
 .../Scene/Share/View/Content/StatusView.swift |  2 +-
 .../TableviewCell/StatusTableViewCell.swift   | 19 ++++-
 13 files changed, 178 insertions(+), 28 deletions(-)

diff --git a/.gitignore b/.gitignore
index 51ba722ba..a766fc629 100644
--- a/.gitignore
+++ b/.gitignore
@@ -119,5 +119,5 @@ xcuserdata
 
 # End of https://www.toptal.com/developers/gitignore/api/swift,swiftpm,xcode,cocoapods
 
-Mastodon/Localization/StringsConvertor/input
-Mastodon/Localization/StringsConvertor/output
\ No newline at end of file
+Localization/StringsConvertor/input
+Localization/StringsConvertor/output
\ No newline at end of file
diff --git a/Localization/app.json b/Localization/app.json
index 56a54a7f4..f2c2839a6 100644
--- a/Localization/app.json
+++ b/Localization/app.json
@@ -29,8 +29,9 @@
             },
             "status": {
                 "user_boosted": "%s boosted",
-                "content_warning": "content warning",
-                "show_post": "Show Post"
+                "show_post": "Show Post",
+                "status_content_warning": "content warning",
+                "media_content_warning": "Tap to reveal that may be sensitive"
             },
             "timeline": {
                 "load_more": "Load More"
diff --git a/Mastodon/Diffiable/Item/Item.swift b/Mastodon/Diffiable/Item/Item.swift
index 2ab198226..c6a182b4d 100644
--- a/Mastodon/Diffiable/Item/Item.swift
+++ b/Mastodon/Diffiable/Item/Item.swift
@@ -26,24 +26,30 @@ enum Item {
 
 protocol StatusContentWarningAttribute {
     var isStatusTextSensitive: Bool { get set }
+    var isStatusSensitive: Bool { get set }
 }
 
 extension Item {
     class StatusTimelineAttribute: Hashable, StatusContentWarningAttribute {
-        var isStatusTextSensitive: Bool = false
+        var isStatusTextSensitive: Bool
+        var isStatusSensitive: Bool
 
         public init(
-            isStatusTextSensitive: Bool
+            isStatusTextSensitive: Bool,
+            isStatusSensitive: Bool
         ) {
             self.isStatusTextSensitive = isStatusTextSensitive
+            self.isStatusSensitive = isStatusSensitive
         }
         
         static func == (lhs: Item.StatusTimelineAttribute, rhs: Item.StatusTimelineAttribute) -> Bool {
-            return lhs.isStatusTextSensitive == rhs.isStatusTextSensitive
+            return lhs.isStatusTextSensitive == rhs.isStatusTextSensitive &&
+                lhs.isStatusSensitive == rhs.isStatusSensitive
         }
 
         func hash(into hasher: inout Hasher) {
             hasher.combine(isStatusTextSensitive)
+            hasher.combine(isStatusSensitive)
         }
 
     }
diff --git a/Mastodon/Diffiable/Section/StatusSection.swift b/Mastodon/Diffiable/Section/StatusSection.swift
index 727f4074f..4fac88b4c 100644
--- a/Mastodon/Diffiable/Section/StatusSection.swift
+++ b/Mastodon/Diffiable/Section/StatusSection.swift
@@ -94,14 +94,18 @@ extension StatusSection {
         // set text
         cell.statusView.activeTextLabel.config(content: (toot.reblog ?? toot).content)
         
-        // set content warning
-        let isStatusTextSensitive = statusContentWarningAttribute?.isStatusTextSensitive ?? (toot.reblog ?? toot).sensitive
+        // set status text content warning
+        let spoilerText = (toot.reblog ?? toot).spoilerText ?? ""
+        let isStatusTextSensitive = statusContentWarningAttribute?.isStatusTextSensitive ?? !spoilerText.isEmpty
         cell.statusView.isStatusTextSensitive = isStatusTextSensitive
         cell.statusView.updateContentWarningDisplay(isHidden: !isStatusTextSensitive)
-        cell.statusView.contentWarningTitle.text = (toot.reblog ?? toot).spoilerText.flatMap { spoilerText in
-            guard !spoilerText.isEmpty else { return nil }
-            return L10n.Common.Controls.Status.contentWarning + ": \(spoilerText)"
-        } ?? L10n.Common.Controls.Status.contentWarning
+        cell.statusView.contentWarningTitle.text = {
+            if spoilerText.isEmpty {
+                return L10n.Common.Controls.Status.statusContentWarning
+            } else {
+                return L10n.Common.Controls.Status.statusContentWarning + ": \(spoilerText)"
+            }
+        }()
         
         // prepare media attachments
         let mediaAttachments = Array((toot.reblog ?? toot).mediaAttachments ?? []).sorted { $0.index.compare($1.index) == .orderedAscending }
@@ -146,6 +150,9 @@ extension StatusSection {
             }
         }
         cell.statusView.statusMosaicImageView.isHidden = mosiacImageViewModel.metas.isEmpty
+        let isStatusSensitive = statusContentWarningAttribute?.isStatusSensitive ?? (toot.reblog ?? toot).sensitive
+        cell.statusView.statusMosaicImageView.blurVisualEffectView.effect = isStatusSensitive ? MosaicImageViewContainer.blurVisualEffect : nil
+        cell.statusView.statusMosaicImageView.vibrancyVisualEffectView.alpha = isStatusSensitive ? 1.0 : 0.0
 
         // toolbar
         let replyCountTitle: String = {
diff --git a/Mastodon/Generated/Strings.swift b/Mastodon/Generated/Strings.swift
index fa641fbbb..5c6f58bbf 100644
--- a/Mastodon/Generated/Strings.swift
+++ b/Mastodon/Generated/Strings.swift
@@ -56,10 +56,12 @@ internal enum L10n {
         internal static let takePhoto = L10n.tr("Localizable", "Common.Controls.Actions.TakePhoto")
       }
       internal enum Status {
-        /// content warning
-        internal static let contentWarning = L10n.tr("Localizable", "Common.Controls.Status.ContentWarning")
+        /// Tap to reveal that may be sensitive
+        internal static let mediaContentWarning = L10n.tr("Localizable", "Common.Controls.Status.MediaContentWarning")
         /// Show Post
         internal static let showPost = L10n.tr("Localizable", "Common.Controls.Status.ShowPost")
+        /// content warning
+        internal static let statusContentWarning = L10n.tr("Localizable", "Common.Controls.Status.StatusContentWarning")
         /// %@ boosted
         internal static func userBoosted(_ p1: Any) -> String {
           return L10n.tr("Localizable", "Common.Controls.Status.UserBoosted", String(describing: p1))
diff --git a/Mastodon/Protocol/StatusProvider/StatusProvider+TimelinePostTableViewCellDelegate.swift b/Mastodon/Protocol/StatusProvider/StatusProvider+TimelinePostTableViewCellDelegate.swift
index 9c6127b08..336434ff0 100644
--- a/Mastodon/Protocol/StatusProvider/StatusProvider+TimelinePostTableViewCellDelegate.swift
+++ b/Mastodon/Protocol/StatusProvider/StatusProvider+TimelinePostTableViewCellDelegate.swift
@@ -43,3 +43,39 @@ extension StatusTableViewCellDelegate where Self: StatusProvider {
     }
     
 }
+
+extension StatusTableViewCellDelegate where Self: StatusProvider {
+    
+    func statusTableViewCell(_ cell: StatusTableViewCell, mosaicImageViewContainer: MosaicImageViewContainer, didTapImageView imageView: UIImageView, atIndex index: Int) {
+        
+    }
+    
+    func statusTableViewCell(_ cell: StatusTableViewCell, mosaicImageViewContainer: MosaicImageViewContainer, didTapContentWarningVisualEffectView visualEffectView: UIVisualEffectView) {
+        guard let diffableDataSource = self.tableViewDiffableDataSource else { return }
+        item(for: cell, indexPath: nil)
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] item in
+                guard let _ = self else { return }
+                guard let item = item else { return }
+                switch item {
+                case .homeTimelineIndex(_, let attribute):
+                    attribute.isStatusSensitive = false
+                case .toot(_, let attribute):
+                    attribute.isStatusSensitive = false
+                default:
+                    return
+                }
+
+                var snapshot = diffableDataSource.snapshot()
+                snapshot.reloadItems([item])
+                UIView.animate(withDuration: 0.33) {
+                    cell.statusView.statusMosaicImageView.blurVisualEffectView.effect = nil
+                    cell.statusView.statusMosaicImageView.vibrancyVisualEffectView.alpha = 0.0
+                } completion: { _ in
+                    diffableDataSource.apply(snapshot, animatingDifferences: false, completion: nil)
+                }
+            }
+            .store(in: &cell.disposeBag)
+    }
+    
+}
diff --git a/Mastodon/Resources/en.lproj/Localizable.strings b/Mastodon/Resources/en.lproj/Localizable.strings
index efb3fed70..08a8d8293 100644
--- a/Mastodon/Resources/en.lproj/Localizable.strings
+++ b/Mastodon/Resources/en.lproj/Localizable.strings
@@ -15,8 +15,9 @@
 "Common.Controls.Actions.SignIn" = "Sign in";
 "Common.Controls.Actions.SignUp" = "Sign up";
 "Common.Controls.Actions.TakePhoto" = "Take photo";
-"Common.Controls.Status.ContentWarning" = "content warning";
+"Common.Controls.Status.MediaContentWarning" = "Tap to reveal that may be sensitive";
 "Common.Controls.Status.ShowPost" = "Show Post";
+"Common.Controls.Status.StatusContentWarning" = "content warning";
 "Common.Controls.Status.UserBoosted" = "%@ boosted";
 "Common.Controls.Timeline.LoadMore" = "Load More";
 "Common.Countable.Photo.Multiple" = "photos";
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
index 8f74b81a4..d5345de4f 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel+Diffable.swift
@@ -83,7 +83,12 @@ extension HomeTimelineViewModel: NSFetchedResultsControllerDelegate {
             var newTimelineItems: [Item] = []
 
             for (i, timelineIndex) in timelineIndexes.enumerated() {
-                let attribute = oldSnapshotAttributeDict[timelineIndex.objectID] ?? Item.StatusTimelineAttribute(isStatusTextSensitive: timelineIndex.toot.sensitive)
+                let toot = timelineIndex.toot.reblog ?? timelineIndex.toot
+                let isStatusTextSensitive: Bool = {
+                    guard let spoilerText = toot.spoilerText, !spoilerText.isEmpty else { return false }
+                    return true
+                }()
+                let attribute = oldSnapshotAttributeDict[timelineIndex.objectID] ?? Item.StatusTimelineAttribute(isStatusTextSensitive: isStatusTextSensitive, isStatusSensitive: toot.sensitive)
                 
                 // append new item into snapshot
                 newTimelineItems.append(.homeTimelineIndex(objectID: timelineIndex.objectID, attribute: attribute))
diff --git a/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift b/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
index 5a5001c19..dd5ffc84e 100644
--- a/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
+++ b/Mastodon/Scene/PublicTimeline/PublicTimelineViewController.swift
@@ -13,7 +13,7 @@ import GameplayKit
 import os.log
 import UIKit
 
-final class PublicTimelineViewController: UIViewController, NeedsDependency, StatusTableViewCellDelegate {
+final class PublicTimelineViewController: UIViewController, NeedsDependency {
     weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
     weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
     
@@ -203,3 +203,6 @@ extension PublicTimelineViewController: TimelineMiddleLoaderTableViewCellDelegat
         }
     }
 }
+
+// MARK: - StatusTableViewCellDelegate
+extension PublicTimelineViewController: StatusTableViewCellDelegate { }
diff --git a/Mastodon/Scene/PublicTimeline/PublicTimelineViewModel+Diffable.swift b/Mastodon/Scene/PublicTimeline/PublicTimelineViewModel+Diffable.swift
index 26638578f..f9c92fa0f 100644
--- a/Mastodon/Scene/PublicTimeline/PublicTimelineViewModel+Diffable.swift
+++ b/Mastodon/Scene/PublicTimeline/PublicTimelineViewModel+Diffable.swift
@@ -58,7 +58,12 @@ extension PublicTimelineViewModel: NSFetchedResultsControllerDelegate {
         
         var items = [Item]()
         for (_, toot) in indexTootTuples {
-            let attribute = oldSnapshotAttributeDict[toot.objectID] ?? Item.StatusTimelineAttribute(isStatusTextSensitive: toot.sensitive)
+            let targetToot = toot.reblog ?? toot
+            let isStatusTextSensitive: Bool = {
+                guard let spoilerText = targetToot.spoilerText, !spoilerText.isEmpty else { return false }
+                return true
+            }()
+            let attribute = oldSnapshotAttributeDict[toot.objectID] ?? Item.StatusTimelineAttribute(isStatusTextSensitive: isStatusTextSensitive, isStatusSensitive: targetToot.sensitive)
             items.append(Item.toot(objectID: toot.objectID, attribute: attribute))
             if tootIDsWhichHasGap.contains(toot.id) {
                 items.append(Item.publicMiddleLoader(tootID: toot.id))
diff --git a/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift b/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
index 14e2012e0..5240d4e2c 100644
--- a/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
+++ b/Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift
@@ -13,18 +13,21 @@ protocol MosaicImageViewContainerPresentable: class {
     var mosaicImageViewContainer: MosaicImageViewContainer { get }
 }
 
-protocol MosaicImageViewDelegate: class {
+protocol MosaicImageViewContainerDelegate: class {
     func mosaicImageViewContainer(_ mosaicImageViewContainer: MosaicImageViewContainer, didTapImageView imageView: UIImageView, atIndex index: Int)
+    func mosaicImageViewContainer(_ mosaicImageViewContainer: MosaicImageViewContainer, didTapContentWarningVisualEffectView visualEffectView: UIVisualEffectView)
+
 }
 
 final class MosaicImageViewContainer: UIView {
 
     static let cornerRadius: CGFloat = 4
+    static let blurVisualEffect = UIBlurEffect(style: .systemUltraThinMaterial)
 
-    weak var delegate: MosaicImageViewDelegate?
+    weak var delegate: MosaicImageViewContainerDelegate?
     
     let container = UIStackView()
-    var imageViews = [UIImageView]() {
+    var imageViews: [UIImageView] = [] {
         didSet {
             imageViews.forEach { imageView in
                 imageView.isUserInteractionEnabled = true
@@ -34,7 +37,16 @@ final class MosaicImageViewContainer: UIView {
             }
         }
     }
-
+    let blurVisualEffectView = UIVisualEffectView(effect: MosaicImageViewContainer.blurVisualEffect)
+    let vibrancyVisualEffectView = UIVisualEffectView(effect: UIVibrancyEffect(blurEffect: MosaicImageViewContainer.blurVisualEffect))
+    let contentWarningLabel: UILabel = {
+        let label = UILabel()
+        label.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 15))
+        label.text = L10n.Common.Controls.Status.mediaContentWarning
+        label.textAlignment = .center
+        return label
+    }()
+    
     private var containerHeightLayoutConstraint: NSLayoutConstraint!
     
     override init(frame: CGRect) {
@@ -53,6 +65,8 @@ extension MosaicImageViewContainer {
     
     private func _init() {
         container.translatesAutoresizingMaskIntoConstraints = false
+        container.axis = .horizontal
+        container.distribution = .fillEqually
         addSubview(container)
         containerHeightLayoutConstraint = container.heightAnchor.constraint(equalToConstant: 162).priority(.required - 1)
         NSLayoutConstraint.activate([
@@ -63,8 +77,32 @@ extension MosaicImageViewContainer {
             containerHeightLayoutConstraint
         ])
         
-        container.axis = .horizontal
-        container.distribution = .fillEqually
+        // add blur visual effect view in the setup method
+        blurVisualEffectView.layer.masksToBounds = true
+        blurVisualEffectView.layer.cornerRadius = MosaicImageViewContainer.cornerRadius
+        blurVisualEffectView.layer.cornerCurve = .continuous
+        
+        vibrancyVisualEffectView.translatesAutoresizingMaskIntoConstraints = false
+        blurVisualEffectView.contentView.addSubview(vibrancyVisualEffectView)
+        NSLayoutConstraint.activate([
+            vibrancyVisualEffectView.topAnchor.constraint(equalTo: blurVisualEffectView.topAnchor),
+            vibrancyVisualEffectView.leadingAnchor.constraint(equalTo: blurVisualEffectView.leadingAnchor),
+            vibrancyVisualEffectView.trailingAnchor.constraint(equalTo: blurVisualEffectView.trailingAnchor),
+            vibrancyVisualEffectView.bottomAnchor.constraint(equalTo: blurVisualEffectView.bottomAnchor),
+        ])
+        
+        contentWarningLabel.translatesAutoresizingMaskIntoConstraints = false
+        vibrancyVisualEffectView.contentView.addSubview(contentWarningLabel)
+        NSLayoutConstraint.activate([
+            contentWarningLabel.leadingAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.layoutMarginsGuide.leadingAnchor),
+            contentWarningLabel.trailingAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.layoutMarginsGuide.trailingAnchor),
+            contentWarningLabel.centerYAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.centerYAnchor),
+        ])
+        
+        blurVisualEffectView.isUserInteractionEnabled = true
+        let tapGesture = UITapGestureRecognizer.singleTapGestureRecognizer
+        tapGesture.addTarget(self, action: #selector(MosaicImageViewContainer.visualEffectViewTapGestureRecognizerHandler(_:)))
+        blurVisualEffectView.addGestureRecognizer(tapGesture)
     }
     
 }
@@ -79,6 +117,9 @@ extension MosaicImageViewContainer {
         container.subviews.forEach { subview in
             subview.removeFromSuperview()
         }
+        blurVisualEffectView.removeFromSuperview()
+        blurVisualEffectView.effect = MosaicImageViewContainer.blurVisualEffect
+        vibrancyVisualEffectView.alpha = 1.0
         imageViews = []
         
         container.spacing = 1
@@ -100,6 +141,7 @@ extension MosaicImageViewContainer {
         imageViews.append(imageView)
         imageView.layer.masksToBounds = true
         imageView.layer.cornerRadius = MosaicImageViewContainer.cornerRadius
+        imageView.layer.cornerCurve = .continuous
         imageView.contentMode = .scaleAspectFill
         
         imageView.translatesAutoresizingMaskIntoConstraints = false
@@ -112,6 +154,15 @@ extension MosaicImageViewContainer {
         ])
         containerHeightLayoutConstraint.constant = floor(rect.height)
         containerHeightLayoutConstraint.isActive = true
+        
+        blurVisualEffectView.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(blurVisualEffectView)
+        NSLayoutConstraint.activate([
+            blurVisualEffectView.topAnchor.constraint(equalTo: imageView.topAnchor),
+            blurVisualEffectView.leadingAnchor.constraint(equalTo: imageView.leadingAnchor),
+            blurVisualEffectView.trailingAnchor.constraint(equalTo: imageView.trailingAnchor),
+            blurVisualEffectView.bottomAnchor.constraint(equalTo: imageView.bottomAnchor),
+        ])
 
         return imageView
     }
@@ -191,18 +242,34 @@ extension MosaicImageViewContainer {
             }
         }
         
+        blurVisualEffectView.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(blurVisualEffectView)
+        NSLayoutConstraint.activate([
+            blurVisualEffectView.topAnchor.constraint(equalTo: container.topAnchor),
+            blurVisualEffectView.leadingAnchor.constraint(equalTo: container.leadingAnchor),
+            blurVisualEffectView.trailingAnchor.constraint(equalTo: container.trailingAnchor),
+            blurVisualEffectView.bottomAnchor.constraint(equalTo: container.bottomAnchor),
+        ])
+        
         return imageViews
     }
+    
 }
 
 extension MosaicImageViewContainer {
-
+    
+    @objc private func visualEffectViewTapGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
+        os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
+        delegate?.mosaicImageViewContainer(self, didTapContentWarningVisualEffectView: blurVisualEffectView)
+    }
+    
     @objc private func photoTapGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
         guard let imageView = sender.view as? UIImageView else { return }
         guard let index = imageViews.firstIndex(of: imageView) else { return }
         os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: tap photo at index: %ld", ((#file as NSString).lastPathComponent), #line, #function, index)
         delegate?.mosaicImageViewContainer(self, didTapImageView: imageView, atIndex: index)
     }
+    
 }
 
 #if DEBUG && canImport(SwiftUI)
diff --git a/Mastodon/Scene/Share/View/Content/StatusView.swift b/Mastodon/Scene/Share/View/Content/StatusView.swift
index 2d8d966b9..be754ed86 100644
--- a/Mastodon/Scene/Share/View/Content/StatusView.swift
+++ b/Mastodon/Scene/Share/View/Content/StatusView.swift
@@ -89,7 +89,7 @@ final class StatusView: UIView {
         let label = UILabel()
         label.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .regular))
         label.textColor = Asset.Colors.Label.primary.color
-        label.text = L10n.Common.Controls.Status.contentWarning
+        label.text = L10n.Common.Controls.Status.statusContentWarning
         return label
     }()
     let contentWarningActionButton: UIButton = {
diff --git a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
index 758beed0c..572f23e01 100644
--- a/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
+++ b/Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift
@@ -14,6 +14,9 @@ import Combine
 protocol StatusTableViewCellDelegate: class {
     func statusTableViewCell(_ cell: StatusTableViewCell, actionToolbarContainer: ActionToolbarContainer, likeButtonDidPressed sender: UIButton)
     func statusTableViewCell(_ cell: StatusTableViewCell, statusView: StatusView, contentWarningActionButtonPressed button: UIButton)
+    func statusTableViewCell(_ cell: StatusTableViewCell, mosaicImageViewContainer: MosaicImageViewContainer, didTapImageView imageView: UIImageView, atIndex index: Int)
+    func statusTableViewCell(_ cell: StatusTableViewCell, mosaicImageViewContainer: MosaicImageViewContainer, didTapContentWarningVisualEffectView visualEffectView: UIVisualEffectView)
+
 }
 
 final class StatusTableViewCell: UITableViewCell {
@@ -79,10 +82,11 @@ extension StatusTableViewCell {
             bottomPaddingView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
             bottomPaddingView.heightAnchor.constraint(equalToConstant: StatusTableViewCell.bottomPaddingHeight).priority(.defaultHigh),
         ])
+        bottomPaddingView.backgroundColor = Asset.Colors.Background.systemGroupedBackground.color
                 
         statusView.delegate = self
+        statusView.statusMosaicImageView.delegate = self
         statusView.actionToolbarContainer.delegate = self
-        bottomPaddingView.backgroundColor = Asset.Colors.Background.systemGroupedBackground.color
     }
     
 }
@@ -94,6 +98,19 @@ extension StatusTableViewCell: StatusViewDelegate {
     }
 }
 
+// MARK: - MosaicImageViewDelegate
+extension StatusTableViewCell: MosaicImageViewContainerDelegate {
+    
+    func mosaicImageViewContainer(_ mosaicImageViewContainer: MosaicImageViewContainer, didTapImageView imageView: UIImageView, atIndex index: Int) {
+        delegate?.statusTableViewCell(self, mosaicImageViewContainer: mosaicImageViewContainer, didTapImageView: imageView, atIndex: index)
+    }
+    
+    func mosaicImageViewContainer(_ mosaicImageViewContainer: MosaicImageViewContainer, didTapContentWarningVisualEffectView visualEffectView: UIVisualEffectView) {
+        delegate?.statusTableViewCell(self, mosaicImageViewContainer: mosaicImageViewContainer, didTapContentWarningVisualEffectView: visualEffectView)
+    }
+
+}
+
 // MARK: - ActionToolbarContainerDelegate
 extension StatusTableViewCell: ActionToolbarContainerDelegate {
     func actionToolbarContainer(_ actionToolbarContainer: ActionToolbarContainer, replayButtonDidPressed sender: UIButton) {