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