From e08d5f4fd0a913d49c182c7aebec863da6e6d026 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 10 Jan 2023 21:09:44 +0100
Subject: Matrix: show unread notification on initial sync using notifications
 api (there might be very old messages that we haven't read)

---
 plugins/Matrix.hpp     |  4 ++++
 src/plugins/Matrix.cpp | 18 ++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/plugins/Matrix.hpp b/plugins/Matrix.hpp
index 1452af1..7c2103c 100644
--- a/plugins/Matrix.hpp
+++ b/plugins/Matrix.hpp
@@ -318,6 +318,8 @@ namespace QuickMedia {
         virtual void add_invite(const std::string &room_id, const Invite &invite) = 0;
         virtual void remove_invite(const std::string &room_id) = 0;
 
+        virtual void add_unread_notification(MatrixNotification notification) = 0;
+
         virtual void add_user(MatrixEventUserInfo user_info) = 0;
         virtual void remove_user(MatrixEventUserInfo user_info) = 0;
         virtual void set_user_info(MatrixEventUserInfo user_info) = 0;
@@ -346,6 +348,8 @@ namespace QuickMedia {
         void add_invite(const std::string &room_id, const Invite &invite) override;
         void remove_invite(const std::string &room_id) override;
 
+        void add_unread_notification(MatrixNotification notification) override;
+
         void add_user(MatrixEventUserInfo user_info) override;
         void remove_user(MatrixEventUserInfo user_info) override;
         void set_user_info(MatrixEventUserInfo user_info) override;
diff --git a/src/plugins/Matrix.cpp b/src/plugins/Matrix.cpp
index de49409..0da73eb 100644
--- a/src/plugins/Matrix.cpp
+++ b/src/plugins/Matrix.cpp
@@ -693,6 +693,11 @@ namespace QuickMedia {
         invites_page->remove_body_item_by_room_id(room_id);
     }
 
+    void MatrixQuickMedia::add_unread_notification(MatrixNotification notification) {
+        if(notifications_shown.insert(notification.event_id).second)
+            show_notification("QuickMedia matrix - " + notification.sender_user_id + " (" + notification.room->get_name() + ")", notification.body);
+    }
+
     void MatrixQuickMedia::add_user(MatrixEventUserInfo user_info) {
         auto &users = users_by_room[user_info.room];
         const bool new_user = users.insert(std::make_pair(user_info.user_id, user_info)).second;
@@ -1783,13 +1788,22 @@ namespace QuickMedia {
                 }
 
                 if(first_sync) {
+                    bool initial_sync_show_notifications = initial_sync;
                     first_sync = false;
                     initial_sync = false;
                     filter_encoded = url_param_encode(CONTINUE_FILTER); // TODO: limit messages in this continue filter?
 
                     // TODO: This ignores new rooms that are not part of the previous sync message. Fix this.
-                    notification_thread = std::thread([this]() {
-                        get_previous_notifications([](const MatrixNotification&) {});
+                    notification_thread = std::thread([this, initial_sync_show_notifications]() {
+                        get_previous_notifications([this, initial_sync_show_notifications](const MatrixNotification &notification) {
+                            if(!initial_sync_show_notifications || notification.read)
+                                return;
+
+                            MatrixDelegate *delegate = this->delegate;
+                            ui_thread_tasks.push([delegate, notification] {
+                                delegate->add_unread_notification(std::move(notification));
+                            });
+                        });
                         finished_fetching_notifications = true;
                     });
                 }
-- 
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