Add post progress view

Tusker.xcodeproj/project.pbxproj

@@ -9,6 +9,7 @@
 /* Begin PBXBuildFile section */
 		04DACE8C212CB14B009840C4 /* MainTabBarViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04DACE8B212CB14B009840C4 /* MainTabBarViewController.swift */; };
 		04DACE8E212CC7CC009840C4 /* AvatarCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04DACE8D212CC7CC009840C4 /* AvatarCache.swift */; };
+		04ED00B121481ED800567C53 /* SteppedProgressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04ED00B021481ED800567C53 /* SteppedProgressView.swift */; };
 		D61099B42144B0CC00432DC2 /* Pachyderm.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D61099AB2144B0CC00432DC2 /* Pachyderm.framework */; };
 		D61099BB2144B0CC00432DC2 /* PachydermTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D61099BA2144B0CC00432DC2 /* PachydermTests.swift */; };
 		D61099BD2144B0CC00432DC2 /* Pachyderm.h in Headers */ = {isa = PBXBuildFile; fileRef = D61099AD2144B0CC00432DC2 /* Pachyderm.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -161,6 +162,7 @@
 /* Begin PBXFileReference section */
 		04DACE8B212CB14B009840C4 /* MainTabBarViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainTabBarViewController.swift; sourceTree = "<group>"; };
 		04DACE8D212CC7CC009840C4 /* AvatarCache.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AvatarCache.swift; sourceTree = "<group>"; };
+		04ED00B021481ED800567C53 /* SteppedProgressView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SteppedProgressView.swift; sourceTree = "<group>"; };
 		D61099AB2144B0CC00432DC2 /* Pachyderm.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pachyderm.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D61099AD2144B0CC00432DC2 /* Pachyderm.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Pachyderm.h; sourceTree = "<group>"; };
 		D61099AE2144B0CC00432DC2 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -568,6 +570,7 @@
 				D6C94D882139E6EC00CB5196 /* AttachmentView.swift */,
 				D6333B762138D94E00CE884A /* ComposeMediaView.swift */,
 				D641C77E213DC78A004B4513 /* InlineTextAttachment.swift */,
+				04ED00B021481ED800567C53 /* SteppedProgressView.swift */,
 				D641C78A213DD926004B4513 /* Status */,
 				D641C78B213DD92F004B4513 /* Profile Header */,
 				D641C78C213DD937004B4513 /* Notifications */,
@@ -921,6 +924,7 @@
 				D667E5F82135C3040057A976 /* Mastodon+Equatable.swift in Sources */,
 				04DACE8E212CC7CC009840C4 /* AvatarCache.swift in Sources */,
 				D6333B772138D94E00CE884A /* ComposeMediaView.swift in Sources */,
+				04ED00B121481ED800567C53 /* SteppedProgressView.swift in Sources */,
 				D663626421360D2300C9CBA2 /* AvatarStyle.swift in Sources */,
 				D6BED174212667E900F02DA0 /* StatusTableViewCell.swift in Sources */,
 				D64D0AAD2128D88B005A6F37 /* LocalData.swift in Sources */,

Tusker/Screens/Compose/Compose.storyboard

@@ -147,13 +147,19 @@
                                     <constraint firstAttribute="bottom" secondItem="WID-nQ-ZzS" secondAttribute="bottom" id="yTD-d9-Cr8"/>
                                 </constraints>
                             </scrollView>
+                            <progressView opaque="NO" contentMode="scaleToFill" verticalHuggingPriority="750" progressViewStyle="bar" progress="0.5" translatesAutoresizingMaskIntoConstraints="NO" id="qAh-id-u7z" customClass="SteppedProgressView" customModule="Tusker" customModuleProvider="target">
+                                <rect key="frame" x="0.0" y="64" width="375" height="2.5"/>
+                            </progressView>
                         </subviews>
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                         <constraints>
                             <constraint firstItem="L3H-aB-fGr" firstAttribute="leading" secondItem="qto-r6-ocp" secondAttribute="leading" id="01l-qs-Ff4"/>
                             <constraint firstItem="L3H-aB-fGr" firstAttribute="top" secondItem="qto-r6-ocp" secondAttribute="topMargin" constant="-64" id="7BB-7k-gaN"/>
+                            <constraint firstAttribute="trailing" secondItem="qAh-id-u7z" secondAttribute="trailing" id="EMl-GI-anW"/>
                             <constraint firstItem="WID-nQ-ZzS" firstAttribute="width" secondItem="qto-r6-ocp" secondAttribute="width" constant="-32" id="Fer-8I-o1H"/>
                             <constraint firstAttribute="trailing" secondItem="L3H-aB-fGr" secondAttribute="trailing" id="NWJ-dh-7ED"/>
+                            <constraint firstItem="qAh-id-u7z" firstAttribute="top" secondItem="7ws-AM-scc" secondAttribute="top" id="hEb-Hg-oRI"/>
+                            <constraint firstItem="qAh-id-u7z" firstAttribute="leading" secondItem="qto-r6-ocp" secondAttribute="leading" id="jVP-AN-LtR"/>
                             <constraint firstItem="7ws-AM-scc" firstAttribute="bottom" secondItem="L3H-aB-fGr" secondAttribute="bottom" id="uZs-Y8-hGM"/>
                         </constraints>
                         <viewLayoutGuide key="safeArea" id="7ws-AM-scc"/>
@@ -175,6 +181,8 @@
                         <outlet property="inReplyToUsernameLabel" destination="neM-1F-PcJ" id="Lej-ut-yp9"/>
                         <outlet property="mediaStackView" destination="gcH-tf-prn" id="oM2-hc-rXY"/>
                         <outlet property="paddingView" destination="VuB-eX-IiL" id="wDo-4O-g30"/>
+                        <outlet property="postButton" destination="wg4-nL-Q7B" id="6EL-Dd-jPb"/>
+                        <outlet property="progressView" destination="qAh-id-u7z" id="sw0-dq-eNa"/>
                         <outlet property="scrollView" destination="L3H-aB-fGr" id="kbS-H5-K2I"/>
                         <outlet property="statusTextView" destination="gQU-rc-mM7" id="FVL-nk-159"/>
                         <outlet property="visibilityButton" destination="caP-6L-HWj" id="89p-Bl-cRH"/>

Tusker/Screens/Compose/ComposeViewController.swift

@@ -28,9 +28,11 @@ class ComposeViewController: UIViewController {
     @IBOutlet weak var inReplyToLabel: UILabel!
     @IBOutlet weak var statusTextView: UITextView!
     @IBOutlet weak var visibilityButton: UIButton!
+    @IBOutlet weak var postButton: UIButton!
     @IBOutlet weak var contentWarningTextField: UITextField!
     @IBOutlet weak var mediaStackView: UIStackView!
     @IBOutlet weak var paddingView: UIView!
+    @IBOutlet weak var progressView: SteppedProgressView!
     
     var scrolled = false
     
@@ -96,6 +98,8 @@ class ComposeViewController: UIViewController {
             statusTextView.text += "@\(mentioning.acct) "
             statusTextView.textViewDidChange(statusTextView)
         }
+        
+        progressView.progress = 0
     }
     
     override func viewDidLayoutSubviews() {
@@ -175,6 +179,8 @@ class ComposeViewController: UIViewController {
         guard let text = statusTextView.text,
             !text.isEmpty else { return }
         
+        postButton.isEnabled = false
+        
         let contentWarning: String?
         if self.contentWarning,
             let text = contentWarningTextField.text,
@@ -195,14 +201,19 @@ class ComposeViewController: UIViewController {
                 let data = image.pngData() else { continue }
             let index = attachments.count
             attachments.append(nil)
+            progressView.steps += 1
             group.enter()
             MastodonController.shared.client.upload(attachment: FormAttachment(pngData: data), description: mediaView.mediaDescription) { response in
                 guard case let .success(attachment, _) = response else { fatalError() }
                 attachments[index] = attachment
+                self.progressView.step()
                 group.leave()
             }
         }
         
+        progressView.steps = 2 + attachments.count
+        progressView.currentStep = 1
+        
         group.notify(queue: .main) {
             let attachments = attachments.compactMap { $0 }
             
@@ -215,6 +226,7 @@ class ComposeViewController: UIViewController {
                 guard case let .success(status, _) = response else { fatalError() }
                 self.status = status
                 DispatchQueue.main.async {
+                    self.progressView.step()
                     self.performSegue(withIdentifier: "postComplete", sender: self)
                 }
             }

Tusker/Views/SteppedProgressView.swift

@@ -0,0 +1,30 @@
+//
+//  SteppedProgressView.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 9/11/18.
+//  Copyright © 2018 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class SteppedProgressView: UIProgressView {
+
+    var currentStep: Int = 0 {
+        didSet {
+            guard steps > 0 else { return }
+            let progress = Float(currentStep) / Float(steps)
+            DispatchQueue.main.async {
+                self.setProgress(progress, animated: true)
+            }
+        }
+    }
+    var steps: Int = 0
+    
+    func step() {
+        if currentStep < steps {
+            currentStep += 1
+        }
+    }
+
+}