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ssb: Add support for registering for blob added notifications similarly to messages. I want to use this to load images on the fly.

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Cory McWilliams
2025-08-13 18:26:42 -04:00
parent 00623cea09
commit b5f0a0c4f7
4 changed files with 127 additions and 0 deletions
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24
src/ssb.js.c
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@@ -1627,6 +1627,20 @@ static void _tf_ssb_on_message_added_callback(tf_ssb_t* ssb, const char* author,
JS_FreeValue(context, string);
}
static void _tf_ssb_on_blob_stored_callback(tf_ssb_t* ssb, const char* id, void* user_data)
{
JSContext* context = tf_ssb_get_context(ssb);
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
JSValue string = JS_NewString(context, id);
JSValue response = JS_Call(context, callback, JS_UNDEFINED, 1, &string);
if (tf_util_report_error(context, response))
{
tf_ssb_remove_blob_stored_callback(ssb, _tf_ssb_on_blob_stored_callback, user_data);
}
JS_FreeValue(context, response);
JS_FreeValue(context, string);
}
static void _tf_ssb_on_blob_want_added_callback(tf_ssb_t* ssb, const char* id, void* user_data)
{
JSContext* context = tf_ssb_get_context(ssb);
@@ -1747,6 +1761,11 @@ static JSValue _tf_ssb_add_event_listener(JSContext* context, JSValueConst this_
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
tf_ssb_add_message_added_callback(ssb, _tf_ssb_on_message_added_callback, _tf_ssb_cleanup_value, ptr);
}
else if (strcmp(event_name, "blob") == 0)
{
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
tf_ssb_add_blob_stored_callback(ssb, _tf_ssb_on_blob_stored_callback, _tf_ssb_cleanup_value, ptr);
}
else if (strcmp(event_name, "blob_want_added") == 0)
{
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
@@ -1790,6 +1809,11 @@ static JSValue _tf_ssb_remove_event_listener(JSContext* context, JSValueConst th
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
tf_ssb_remove_message_added_callback(ssb, _tf_ssb_on_message_added_callback, ptr);
}
else if (strcmp(event_name, "blob") == 0)
{
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
tf_ssb_remove_blob_stored_callback(ssb, _tf_ssb_on_blob_stored_callback, ptr);
}
else if (strcmp(event_name, "blob_want_added") == 0)
{
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));