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/**
* part of Hachette
* Informing about activities performed by content script (script injection,
* script blocking).
*
* Copyright (C) 2021 Wojtek Kosior
* Redistribution terms are gathered in the `copyright' file.
*/
/*
* IMPORTS_START
* IMPORT listen_for_connection
* IMPORT CONNECTION_TYPE
* IMPORT repo_query
* IMPORT subscribe_repo_query_results
* IMPORT unsubscribe_repo_query_results
* IMPORTS_END
*/
var activities = [];
var ports = new Set();
function report_activity_oneshot(name, data, port)
{
port.postMessage([name, data]);
}
function report_activity(name, data)
{
const activity = [name, data];
activities.push(activity);
for (const port of ports)
port.postMessage(activity);
}
function report_script(script_data)
{
report_activity("script", script_data);
}
function report_settings(settings)
{
report_activity("settings", settings);
}
function report_document_type(is_html)
{
report_activity("is_html", is_html);
}
function report_repo_query_action(update, port)
{
report_activity_oneshot("repo_query_action", update, port);
}
function trigger_repo_query(query_specifier)
{
repo_query(...query_specifier);
}
function handle_disconnect(port, report_action)
{
ports.delete(port)
unsubscribe_repo_query_results(report_action);
}
function new_connection(port)
{
console.log("new activity info connection!");
ports.add(port);
for (const activity of activities)
port.postMessage(activity);
const report_action = u => report_repo_query_action(u, port);
subscribe_repo_query_results(report_action);
/*
* So far the only thing we expect to receive is repo query order. Once more
* possibilities arrive, we will need to complicate this listener.
*/
port.onMessage.addListener(trigger_repo_query);
port.onDisconnect.addListener(() => handle_disconnect(port, report_action));
}
function start_activity_info_server()
{
listen_for_connection(CONNECTION_TYPE.ACTIVITY_INFO, new_connection);
}
/*
* EXPORTS_START
* EXPORT start_activity_info_server
* EXPORT report_script
* EXPORT report_settings
* EXPORT report_document_type
* EXPORTS_END
*/
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