Add more detailed metadata to share sheet

Gemini-iOS/ActivityItemSource.swift

@@ -0,0 +1,34 @@
+//
+//  ActivityItemSource.swift
+//  Gemini-iOS
+//
+//  Created by Shadowfacts on 6/15/21.
+//
+
+import UIKit
+import GeminiFormat
+import LinkPresentation
+
+class ActivityItemSource: NSObject, UIActivityItemSource {
+    let document: Document
+    
+    init(document: Document) {
+        self.document = document
+    }
+    
+    func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
+        return document.url
+    }
+    
+    func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
+        return document.url
+    }
+    
+    func activityViewControllerLinkMetadata(_ activityViewController: UIActivityViewController) -> LPLinkMetadata? {
+        let metadata = LPLinkMetadata()
+        metadata.url = document.url
+        metadata.title = document.title
+        return metadata
+    }
+    
+}

Gemini-iOS/BrowserNavigationController.swift

@@ -303,7 +303,8 @@ class BrowserNavigationController: UIViewController {
     }
     
     private func showShareSheet(_ source: UIView) {
-        let vc = UIActivityViewController(activityItems: [navigator.currentURL], applicationActivities: nil)
+        guard let doc = currentBrowserVC.document else { return }
+        let vc = UIActivityViewController(activityItems: [ActivityItemSource(document: doc)], applicationActivities: nil)
         vc.popoverPresentationController?.sourceView = source
         present(vc, animated: true)
     }

Gemini.xcodeproj/project.pbxproj

@@ -36,6 +36,7 @@
 		D62664EE24BC0BCE00DF9B88 /* MaybeLazyVStack.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62664ED24BC0BCE00DF9B88 /* MaybeLazyVStack.swift */; };
 		D62664F024BC0D7700DF9B88 /* GeminiFormat.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D62664A824BBF26A00DF9B88 /* GeminiFormat.framework */; };
 		D62664FA24BC12BC00DF9B88 /* DocumentTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62664F924BC12BC00DF9B88 /* DocumentTests.swift */; };
+		D653F40B267996FF004E32B1 /* ActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D653F40A267996FF004E32B1 /* ActivityItemSource.swift */; };
 		D664673624BD07F700B0B741 /* RenderingBlock.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673524BD07F700B0B741 /* RenderingBlock.swift */; };
 		D664673824BD086F00B0B741 /* RenderingBlockView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673724BD086F00B0B741 /* RenderingBlockView.swift */; };
 		D664673A24BD0B8E00B0B741 /* Fonts.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673924BD0B8E00B0B741 /* Fonts.swift */; };
@@ -303,6 +304,7 @@
 		D62664EB24BC0B4D00DF9B88 /* DocumentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DocumentView.swift; sourceTree = "<group>"; };
 		D62664ED24BC0BCE00DF9B88 /* MaybeLazyVStack.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MaybeLazyVStack.swift; sourceTree = "<group>"; };
 		D62664F924BC12BC00DF9B88 /* DocumentTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DocumentTests.swift; sourceTree = "<group>"; };
+		D653F40A267996FF004E32B1 /* ActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActivityItemSource.swift; sourceTree = "<group>"; };
 		D664673524BD07F700B0B741 /* RenderingBlock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RenderingBlock.swift; sourceTree = "<group>"; };
 		D664673724BD086F00B0B741 /* RenderingBlockView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RenderingBlockView.swift; sourceTree = "<group>"; };
 		D664673924BD0B8E00B0B741 /* Fonts.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Fonts.swift; sourceTree = "<group>"; };
@@ -593,6 +595,7 @@
 				D6BC9AD6258FC8B3008652BC /* TableOfContentsView.swift */,
 				D691A64D25217C6F00348C4B /* Preferences.swift */,
 				D691A66625217FD800348C4B /* PreferencesView.swift */,
+				D653F40A267996FF004E32B1 /* ActivityItemSource.swift */,
 				D688F618258AD231003A0A73 /* Resources */,
 				D6E152AA24BFFDF600FDF9D3 /* Assets.xcassets */,
 				D6E152AF24BFFDF600FDF9D3 /* LaunchScreen.storyboard */,
@@ -1111,6 +1114,7 @@
 				D688F633258B09BB003A0A73 /* TrackpadScrollGestureRecognizer.swift in Sources */,
 				D6E152A524BFFDF500FDF9D3 /* AppDelegate.swift in Sources */,
 				D6E152A724BFFDF500FDF9D3 /* SceneDelegate.swift in Sources */,
+				D653F40B267996FF004E32B1 /* ActivityItemSource.swift in Sources */,
 				D6BC9AB3258E8E13008652BC /* ToolbarView.swift in Sources */,
 				D688F64A258C17F3003A0A73 /* SymbolCache.swift in Sources */,
 				D688F65A258C2256003A0A73 /* BrowserNavigationController.swift in Sources */,