Timeline Reactions: Emoji picker (#350)

* Screens template * Loading and parsing * Gridview * New json * Search method * Unit tests * Added emoji provider state * Removed containsIgnoringCase * Added plus icon, added double tap gesture, dismiss sheet after selecting emoji * Renamed EmojisProvider to EmojiProvider * Renamed EmojiPickerScreenScreen * Extra padding * Renamed EmojisLoaderProtocol * Category names * Moved method into public section of the class * Return all categories when search string is empty * Added cancel button and tittle * Removed empty lines * Removed swiftlint warning
2026-11-03 06:55:59 +00:00 · 2022-12-06 16:04:48 +02:00
parent dcedb3fb98
commit 7f91852291
30 changed files with 30941 additions and 21 deletions
@@ -0,0 +1,76 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+@MainActor
+protocol EmojiProviderProtocol {
+    func getCategories(searchString: String?) async -> [EmojiCategory]
+}
+
+private enum EmojiProviderState {
+    case notLoaded
+    case inProgress(Task<[EmojiCategory], Never>)
+    case loaded([EmojiCategory])
+}
+
+class EmojiProvider: EmojiProviderProtocol {
+    private let loader: EmojiLoaderProtocol
+    private var state: EmojiProviderState = .notLoaded
+    
+    init(loader: EmojiLoaderProtocol = EmojiMartJSONLoader()) {
+        self.loader = loader
+        Task {
+            await loadIfNeeded()
+        }
+    }
+    
+    func getCategories(searchString: String? = nil) async -> [EmojiCategory] {
+        let emojiCategories = await loadIfNeeded()
+        if let searchString = searchString, searchString.isEmpty == false {
+            return search(searchString: searchString, emojiCategories: emojiCategories)
+        } else {
+            return emojiCategories
+        }
+    }
+    
+    private func search(searchString: String, emojiCategories: [EmojiCategory]) -> [EmojiCategory] {
+        emojiCategories.compactMap { category in
+            let emojis = category.emojis.filter { emoji in
+                let searchArray = [emoji.id, emoji.name] + emoji.keywords
+                return searchArray.description.range(of: searchString, options: .caseInsensitive) != nil
+            }
+            return emojis.isEmpty ? nil : EmojiCategory(id: category.id, emojis: emojis)
+        }
+    }
+    
+    private func loadIfNeeded() async -> [EmojiCategory] {
+        switch state {
+        case .notLoaded:
+            let task = Task {
+                await loader.load()
+            }
+            state = .inProgress(task)
+            let categories = await task.value
+            state = .loaded(categories)
+            return categories
+        case .loaded(let categories):
+            return categories
+        case .inProgress(let task):
+            return await task.value
+        }
+    }
+}