From c567392a7a82040999e2a96b39084c900385ad57 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 10 Dec 2022 22:08:05 +0100
Subject: Matrix: show loading icon properly for sync, show notifications for
 first sync

---
 src/plugins/Matrix.cpp | 46 ++++++++++++++++++++++++++--------------------
 1 file changed, 26 insertions(+), 20 deletions(-)

(limited to 'src/plugins/Matrix.cpp')

diff --git a/src/plugins/Matrix.cpp b/src/plugins/Matrix.cpp
index 63027ab..230232a 100644
--- a/src/plugins/Matrix.cpp
+++ b/src/plugins/Matrix.cpp
@@ -1684,7 +1684,7 @@ namespace QuickMedia {
 
                     next_batch_json = &GetMember(doc, "next_batch");
                     if(next_batch_json->IsString()) {
-                        set_next_batch(next_batch_json->GetString());
+                        set_next_batch(next_batch_json->GetString(), false);
                         //fprintf(stderr, "Matrix: next batch: %s\n", next_batch.c_str());
                     }
                 }
@@ -1719,29 +1719,19 @@ namespace QuickMedia {
             bool initial_sync = next_batch.empty();
             bool first_sync = true;
 
-            notification_thread = std::thread([this]() {
-                get_previous_notifications([this](const MatrixNotification &notification) {
-                    if(notification.read)
-                        return;
-
-                    MatrixDelegate *delegate = this->delegate;
-                    ui_thread_tasks.push([delegate, notification] {
-                        delegate->add_unread_notification(std::move(notification));
-                    });
-                });
-                finished_fetching_notifications = true;
-            });
-
             std::string filter_encoded;
             if(initial_sync)
                 filter_encoded = url_param_encode(INITIAL_FILTER);
             else
                 filter_encoded = url_param_encode(CONTINUE_FILTER);
 
+            initial_sync = true;
             while(sync_running) {
                 char url[2048];
                 if(next_batch.empty())
                     snprintf(url, sizeof(url), "%s/_matrix/client/r0/sync?filter=%s&timeout=0", homeserver.c_str(), filter_encoded.c_str());
+                else if(first_sync)
+                    snprintf(url, sizeof(url), "%s/_matrix/client/r0/sync?filter=%s&timeout=0&since=%s", homeserver.c_str(), filter_encoded.c_str(), next_batch.c_str());
                 else
                     snprintf(url, sizeof(url), "%s/_matrix/client/r0/sync?filter=%s&timeout=30000&since=%s", homeserver.c_str(), filter_encoded.c_str(), next_batch.c_str());
 
@@ -1781,7 +1771,7 @@ namespace QuickMedia {
 
                 next_batch_json = &GetMember(json_root, "next_batch");
                 if(next_batch_json->IsString()) {
-                    set_next_batch(next_batch_json->GetString());
+                    set_next_batch(next_batch_json->GetString(), true);
                     fprintf(stderr, "Matrix: next batch: %s\n", next_batch.c_str());
                 } else {
                     //set_next_batch("Invalid");
@@ -1792,7 +1782,22 @@ namespace QuickMedia {
 
                 if(first_sync) {
                     first_sync = false;
-                    filter_encoded = url_param_encode(CONTINUE_FILTER);
+                    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([this](const MatrixNotification &notification) {
+                            if(notification.read)
+                                return;
+
+                            MatrixDelegate *delegate = this->delegate;
+                            ui_thread_tasks.push([delegate, notification] {
+                                delegate->add_unread_notification(std::move(notification));
+                            });
+                        });
+                        finished_fetching_notifications = true;
+                    });
                 }
 
 #if 0
@@ -1812,7 +1817,6 @@ namespace QuickMedia {
                 //       and fetch previous messages etc themselves.
                 if(!matrix_instance_already_running) {
                     sync_cache_file = fopen(matrix_cache_dir.data.c_str(), initial_sync ? "wb" : "ab");
-                    initial_sync = false;
                     if(sync_cache_file) {
                         if(json_root.IsObject()) {
                             rapidjson::StringBuffer buffer;
@@ -1857,11 +1861,12 @@ namespace QuickMedia {
         delegate = nullptr;
         sync_failed = false;
         sync_fail_reason.clear();
-        set_next_batch("");
+        set_next_batch("", false);
         next_notifications_token.clear();
         invites.clear();
         filter_cached.reset();
         finished_fetching_notifications = false;
+        initial_sync_finished = false;
         custom_emoji_by_key.clear();
         silenced_invites.clear();
         qm_read_markers_by_room_cache.clear();
@@ -5766,10 +5771,11 @@ namespace QuickMedia {
         return false;
     }
 
-    void Matrix::set_next_batch(std::string new_next_batch) {
+    void Matrix::set_next_batch(std::string new_next_batch, bool set_initial_sync) {
         std::lock_guard<std::mutex> lock(next_batch_mutex);
         next_batch = std::move(new_next_batch);
-        initial_sync_finished = !next_batch.empty();
+        if(set_initial_sync)
+            initial_sync_finished = !next_batch.empty();
     }
 
     std::string Matrix::get_next_batch() {
-- 
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