ttrss/js/Utils.js

335 lines
7.8 KiB
JavaScript

'use strict'
/* global __, ngettext */
define(["dojo/_base/declare"], function (declare) {
return declare("fox.Utils", null, {
_rpc_seq: 0,
hotkey_prefix: 0,
hotkey_prefix_pressed: false,
hotkey_prefix_timeout: 0,
urlParam: function(param) {
return String(window.location.href).parseQuery()[param];
},
next_seq: function() {
this._rpc_seq += 1;
return this._rpc_seq;
},
get_seq: function() {
return this._rpc_seq;
},
setLoadingProgress: function(p) {
loading_progress += p;
if (dijit.byId("loading_bar"))
dijit.byId("loading_bar").update({progress: loading_progress});
if (loading_progress >= 90)
Element.hide("overlay");
},
keyeventToAction: function(event) {
const hotkeys_map = getInitParam("hotkeys");
const keycode = event.which;
const keychar = String.fromCharCode(keycode).toLowerCase();
if (keycode == 27) { // escape and drop prefix
this.hotkey_prefix = false;
}
if (keycode == 16 || keycode == 17) return; // ignore lone shift / ctrl
if (!this.hotkey_prefix && hotkeys_map[0].indexOf(keychar) != -1) {
this.hotkey_prefix = keychar;
$("cmdline").innerHTML = keychar;
Element.show("cmdline");
window.clearTimeout(this.hotkey_prefix_timeout);
this.hotkey_prefix_timeout = window.setTimeout(() => {
this.hotkey_prefix = false;
Element.hide("cmdline");
}, 3 * 1000);
event.stopPropagation();
return false;
}
Element.hide("cmdline");
let hotkey_name = keychar.search(/[a-zA-Z0-9]/) != -1 ? keychar : "(" + keycode + ")";
// ensure ^*char notation
if (event.shiftKey) hotkey_name = "*" + hotkey_name;
if (event.ctrlKey) hotkey_name = "^" + hotkey_name;
if (event.altKey) hotkey_name = "+" + hotkey_name;
if (event.metaKey) hotkey_name = "%" + hotkey_name;
const hotkey_full = this.hotkey_prefix ? this.hotkey_prefix + " " + hotkey_name : hotkey_name;
this.hotkey_prefix = false;
let action_name = false;
for (const sequence in hotkeys_map[1]) {
if (hotkeys_map[1].hasOwnProperty(sequence)) {
if (sequence == hotkey_full) {
action_name = hotkeys_map[1][sequence];
break;
}
}
}
console.log('keyeventToAction', hotkey_full, '=>', action_name);
return action_name;
},
cleanupMemory: function(root) {
const dijits = dojo.query("[widgetid]", dijit.byId(root).domNode).map(dijit.byNode);
dijits.each(function (d) {
dojo.destroy(d.domNode);
});
$$("#" + root + " *").each(function (i) {
i.parentNode ? i.parentNode.removeChild(i) : true;
});
},
helpDialog: function(topic) {
const query = "backend.php?op=backend&method=help&topic=" + encodeURIComponent(topic);
if (dijit.byId("helpDlg"))
dijit.byId("helpDlg").destroyRecursive();
const dialog = new dijit.Dialog({
id: "helpDlg",
title: __("Help"),
style: "width: 600px",
href: query,
});
dialog.show();
},
displayDlg: function(title, id, param, callback) {
notify_progress("Loading, please wait...", true);
const query = {op: "dlg", method: id, param: param};
xhrPost("backend.php", query, (transport) => {
try {
const content = transport.responseText;
let dialog = dijit.byId("infoBox");
if (!dialog) {
dialog = new dijit.Dialog({
title: title,
id: 'infoBox',
style: "width: 600px",
onCancel: function () {
return true;
},
onExecute: function () {
return true;
},
onClose: function () {
return true;
},
content: content
});
} else {
dialog.attr('title', title);
dialog.attr('content', content);
}
dialog.show();
notify("");
if (callback) callback(transport);
} catch (e) {
exception_error(e);
}
});
return false;
},
handleRpcJson: function(transport) {
const netalert_dijit = dijit.byId("net-alert");
let netalert = false;
if (netalert_dijit) netalert = netalert_dijit.domNode;
try {
const reply = JSON.parse(transport.responseText);
if (reply) {
const error = reply['error'];
if (error) {
const code = error['code'];
const msg = error['msg'];
console.warn("[handleRpcJson] received fatal error " + code + "/" + msg);
if (code != 0) {
fatalError(code, msg);
return false;
}
}
const seq = reply['seq'];
if (seq && this.get_seq() != seq) {
console.log("[handleRpcJson] sequence mismatch: " + seq +
" (want: " + this.get_seq() + ")");
return true;
}
const message = reply['message'];
if (message == "UPDATE_COUNTERS") {
console.log("need to refresh counters...");
setInitParam("last_article_id", -1);
Feeds.requestCounters(true);
}
const counters = reply['counters'];
if (counters)
Feeds.parseCounters(counters);
const runtime_info = reply['runtime-info'];
if (runtime_info)
Utils.parseRuntimeInfo(runtime_info);
if (netalert) netalert.hide();
return reply;
} else {
if (netalert)
netalert.show();
else
notify_error("Communication problem with server.");
}
} catch (e) {
if (netalert)
netalert.show();
else
notify_error("Communication problem with server.");
console.error(e);
}
return false;
},
parseRuntimeInfo: function(data) {
//console.log("parsing runtime info...");
for (const k in data) {
if (data.hasOwnProperty(k)) {
const v = data[k];
console.log("RI:", k, "=>", v);
if (k == "daemon_is_running" && v != 1) {
notify_error("<span onclick=\"Utils.explainError(1)\">Update daemon is not running.</span>", true);
return;
}
if (k == "update_result") {
const updatesIcon = dijit.byId("updatesIcon").domNode;
if (v) {
Element.show(updatesIcon);
} else {
Element.hide(updatesIcon);
}
}
if (k == "daemon_stamp_ok" && v != 1) {
notify_error("<span onclick=\"Utils.explainError(3)\">Update daemon is not updating feeds.</span>", true);
return;
}
if (k == "max_feed_id" || k == "num_feeds") {
if (init_params[k] != v) {
console.log("feed count changed, need to reload feedlist.");
Feeds.reload();
}
}
init_params[k] = v;
}
}
PluginHost.run(PluginHost.HOOK_RUNTIME_INFO_LOADED, data);
},
backendSanityCallback: function (transport) {
const reply = JSON.parse(transport.responseText);
if (!reply) {
fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
return;
}
const error_code = reply['error']['code'];
if (error_code && error_code != 0) {
return fatalError(error_code, reply['error']['message']);
}
console.log("sanity check ok");
const params = reply['init-params'];
if (params) {
console.log('reading init-params...');
for (const k in params) {
if (params.hasOwnProperty(k)) {
switch (k) {
case "label_base_index":
_label_base_index = parseInt(params[k]);
break;
case "hotkeys":
// filter mnemonic definitions (used for help panel) from hotkeys map
// i.e. *(191)|Ctrl-/ -> *(191)
const tmp = [];
for (const sequence in params[k][1]) {
if (params[k][1].hasOwnProperty(sequence)) {
const filtered = sequence.replace(/\|.*$/, "");
tmp[filtered] = params[k][1][sequence];
}
}
params[k][1] = tmp;
break;
}
console.log("IP:", k, "=>", params[k]);
}
}
init_params = params;
// PluginHost might not be available on non-index pages
window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
}
App.initSecondStage();
},
explainError: function(code) {
return this.displayDlg(__("Error explained"), "explainError", code);
},
});
});