From 6b98d55f592af705c1be941417c60b18bb453b29 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sun, 27 Sep 2020 22:33:27 -0400
Subject: [PATCH] iOS: Add share sheet

---
 Gemini-iOS/ContentView.swift   | 78 ++++++++++++++++++++--------------
 Gemini-iOS/SceneDelegate.swift |  8 +++-
 2 files changed, 51 insertions(+), 35 deletions(-)

diff --git a/Gemini-iOS/ContentView.swift b/Gemini-iOS/ContentView.swift
index 92fdc26..5db68f0 100644
--- a/Gemini-iOS/ContentView.swift
+++ b/Gemini-iOS/ContentView.swift
@@ -12,10 +12,12 @@ struct ContentView: View {
     @ObservedObject private var navigator: NavigationManager
     @State private var urlFieldContents: String
     @State private var showPreferencesSheet = false
+    private let shareCurrentURL: () -> Void
     
-    init(navigator: NavigationManager) {
+    init(navigator: NavigationManager, shareCurrentURL: @escaping () -> Void) {
         self.navigator = navigator
         self._urlFieldContents = State(initialValue: navigator.currentURL.absoluteString)
+        self.shareCurrentURL = shareCurrentURL
     }
     
     var body: some View {
@@ -55,37 +57,47 @@ struct ContentView: View {
     
     private var bottomBar: some View {
         HStack {
-            Spacer()
-            
-            Button(action: navigator.back, label: {
-                Image(systemName: "arrow.left")
-                    .font(.system(size: 24))
-            })
-            .disabled(navigator.backStack.isEmpty)
-            
-            Spacer()
-            
-            Button(action: navigator.forward, label: {
-                Image(systemName: "arrow.right")
-                    .font(.system(size: 24))
-            })
-            .disabled(navigator.forwardStack.isEmpty)
-            
-            Spacer()
-            
-            Button(action: navigator.reload, label: {
-                Image(systemName: "arrow.clockwise")
-                    .font(.system(size: 24))
-            })
-            
-            Spacer()
-            
-            Button(action: {
-                showPreferencesSheet = true
-            }, label: {
-                Image(systemName: "gear")
-                    .font(.system(size: 24))
-            })
+            // use a group because this exceeds the 10 view limit :/
+            Group {
+                Spacer()
+                
+                Button(action: navigator.back) {
+                    Image(systemName: "arrow.left")
+                        .font(.system(size: 24))
+                }
+                .disabled(navigator.backStack.isEmpty)
+                
+                Spacer()
+                
+                Button(action: navigator.forward) {
+                    Image(systemName: "arrow.right")
+                        .font(.system(size: 24))
+                }
+                .disabled(navigator.forwardStack.isEmpty)
+                
+                Spacer()
+                
+                Button(action: navigator.reload) {
+                    Image(systemName: "arrow.clockwise")
+                        .font(.system(size: 24))
+                }
+                
+                Spacer()
+                
+                Button(action: shareCurrentURL) {
+                    Image(systemName: "square.and.arrow.up")
+                        .font(.system(size: 24))
+                }
+                
+                Spacer()
+                
+                Button(action: {
+                    showPreferencesSheet = true
+                }, label: {
+                    Image(systemName: "gear")
+                        .font(.system(size: 24))
+                })
+            }
             
             Spacer()
         }
@@ -100,6 +112,6 @@ struct ContentView: View {
 
 struct ContentView_Previews: PreviewProvider {
     static var previews: some View {
-        ContentView(navigator: NavigationManager(url: URL(string: "gemini://localhost/overview.gmi")!))
+        ContentView(navigator: NavigationManager(url: URL(string: "gemini://localhost/overview.gmi")!), shareCurrentURL: {})
     }
 }
diff --git a/Gemini-iOS/SceneDelegate.swift b/Gemini-iOS/SceneDelegate.swift
index bf3e248..c44d55f 100644
--- a/Gemini-iOS/SceneDelegate.swift
+++ b/Gemini-iOS/SceneDelegate.swift
@@ -24,7 +24,7 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         navigationManager.delegate = self
         
         // Create the SwiftUI view that provides the window contents.
-        let contentView = ContentView(navigator: navigationManager)
+        let contentView = ContentView(navigator: navigationManager, shareCurrentURL: self.shareCurrentURL)
 
         // Use a UIHostingController as window root view controller.
         if let windowScene = scene as? UIWindowScene {
@@ -62,7 +62,11 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         // Use this method to save data, release shared resources, and store enough scene-specific state information
         // to restore the scene back to its current state.
     }
-
+    
+    private func shareCurrentURL() {
+        let vc = UIActivityViewController(activityItems: [navigationManager.currentURL], applicationActivities: nil)
+        window?.rootViewController?.present(vc, animated: true)
+    }
 
 }