Enable sending messages with pills

2026-04-19 16:13:42 +02:00 · 2022-05-02 13:35:35 +02:00
parent 968c2e34c5
commit 8d65cd8a40
17 changed files with 555 additions and 175 deletions
@@ -0,0 +1,131 @@
+// 
+// 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
+
+extension RoomDataSource {
+    func sendAttributedTextMessage(_ attributedText: NSAttributedString,
+                                   completion: @escaping (MXResponse<String?>) -> Void) {
+        var localEcho: MXEvent?
+
+        // TODO: emote
+        let sanitized = sanitizedAttributedMessageText(attributedText)
+        let rawText: String
+        let html: String? = htmlMessageFromSanitizedAttributedText(sanitized)
+        if #available(iOS 15.0, *) {
+            rawText = StringPillsUtils.stringByReplacingPills(in: sanitized)
+        } else {
+            rawText = sanitized.string
+        }
+
+        room.sendTextMessage(rawText,
+                             formattedText: html,
+                             threadId: self.threadId,
+                             localEcho: &localEcho,
+                             completion: completion)
+
+        if localEcho != nil {
+            self.queueEvent(forProcessing: localEcho, with: self.roomState, direction: .forwards)
+            self.processQueuedEvents(nil)
+        }
+    }
+
+    func sendReply(to eventToReply: MXEvent,
+                   withAttributedTextMessage attributedText: NSAttributedString,
+                   completion: @escaping (MXResponse<String?>) -> Void) {
+        var localEcho: MXEvent?
+
+        let sanitized = sanitizedAttributedMessageText(attributedText)
+        let rawText: String
+        let html: String? = htmlMessageFromSanitizedAttributedText(sanitized)
+        if #available(iOS 15.0, *) {
+            rawText = StringPillsUtils.stringByReplacingPills(in: sanitized)
+        } else {
+            rawText = sanitized.string
+        }
+
+        let stringLocalizer: MXSendReplyEventStringLocalizerProtocol = MXKSendReplyEventStringLocalizer()
+
+        room.sendReply(to: eventToReply,
+                       textMessage: rawText,
+                       formattedTextMessage: html,
+                       stringLocalizer: stringLocalizer,
+                       threadId: self.threadId,
+                       localEcho: &localEcho,
+                       completion: completion)
+
+        if localEcho != nil {
+            self.queueEvent(forProcessing: localEcho, with: self.roomState, direction: .forwards)
+            self.processQueuedEvents(nil)
+        }
+    }
+
+    func replaceAttributedTextMessage(for event: MXEvent,
+                                      withAttributedTextMessage attributedText: NSAttributedString,
+                                      success: @escaping ((String?) -> Void),
+                                      failure: @escaping ((Error?) -> Void)) {
+        let sanitized = sanitizedAttributedMessageText(attributedText)
+        let rawText: String
+        let html: String? = htmlMessageFromSanitizedAttributedText(sanitized)
+        if #available(iOS 15.0, *) {
+            rawText = StringPillsUtils.stringByReplacingPills(in: sanitized)
+        } else {
+            rawText = sanitized.string
+        }
+
+        let eventBody = event.content[kMXMessageBodyKey] as? String
+        let eventFormattedBody = event.content["formatted_body"] as? String
+
+        if rawText != eventBody && (eventFormattedBody == nil || html != eventFormattedBody) {
+            self.mxSession.aggregations.replaceTextMessageEvent(
+                event,
+                withTextMessage: rawText,
+                formattedText: html,
+                localEcho: { localEcho in
+                    // Apply the local echo to the timeline
+                    self.updateEvent(withReplace: localEcho)
+
+                    // Integrate the replace local event into the timeline like when sending a message
+                    // This also allows to manage read receipt on this replace event
+                    self.queueEvent(forProcessing: localEcho, with: self.roomState, direction: .forwards)
+                    self.processQueuedEvents(nil)
+                },
+                success: success,
+                failure: failure)
+        } else {
+            failure(nil)
+        }
+    }
+
+    func sanitizedAttributedMessageText(_ attributedString: NSAttributedString) -> NSAttributedString {
+        let newAttr = NSMutableAttributedString(attributedString: attributedString)
+        newAttr.mutableString.replaceOccurrences(of: String(format: "%C", 0x00000000), with: "", range: .init(location: 0, length: newAttr.length))
+        return newAttr
+    }
+
+    func htmlMessageFromSanitizedAttributedText(_ sanitizedText: NSAttributedString) -> String? {
+        let rawText: String
+        if #available(iOS 15.0, *) {
+            rawText = StringPillsUtils.stringByReplacingPills(in: sanitizedText, asMarkdown: true)
+        } else {
+            rawText = sanitizedText.string
+        }
+
+        let html = eventFormatter.htmlString(fromMarkdownString: rawText)
+
+        return html == sanitizedText.string ? nil : html
+    }
+}