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/**
* ==VimperatorPlugin==
* @name LDR unread counter
* @description Display unread count of LDR to statusbar
* @description-ja ���ơ������С���LDR��̤�ɷ�����ɽ��
* @version 0.1a
* @author teramako teramako@gmail.com
* ==/VimperatorPlugin==
*
* �ޤ��ǽ���
* let livedoor_id = "<livedoor ID>"
* �ȥ桼��ID�����ꤷ�Ƥ���������
*/
liberator.plugins.ldrUnreadCounter = (function(){
const defaultNameSpace = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
const gIntervalName = "ldr_check_intervals";
const userIdName = "livedoor_id";
var statusPanel, canvas;
var icon_image = new Image();
icon_image.src = "data:image/png;base64," +
"iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAQ5JREFUOMul" +
"kz1OAzEQhT87hihN2kUU3opjRELaiCYVgstQIKXLEdJT09IgrVJwi4SG7ehIgbR/Zik2WLblCCn7" +
"JMuemeenmbFHALDsOk7BUghx+Xji5QPUpGEQVOjYrUyUePUwivqlqTvcNdVzG5zqubV3K0PINXWH" +
"+mqFn9LtBjDOGWuHXABl6uP1hbEYV5bVcYH92rBfG1tOtAcAZQXJd7+7guPkxp4vrjc27vJl2kLa" +
"wofq97R15Be5Fdk+GRt3+fYZ/y6+OwJNCWS5baKLtO25gjv/J/48+2R5P+LsLaP6fPV8AJxHPpJb" +
"NwCznGaWM04yz6dLKAChF8NmQTIQAuC/LIpDW3QwDsWLEL8RGH9NPOjBNQAAAABJRU5ErkJggg==";
/**
* initial function
*/
function init(){
createStatusButton();
manager.start();
}
/**
* create Status Icon to status line
*/
function createStatusButton(){
function createElement(localName, attrs, namespace){
var elm = document.createElementNS(namespace ? namespace : defaultNameSpace, localName);
for (var name in attrs) elm.setAttribute(name, attrs[name]);
return elm;
}
// FIXME: onclick����LDR���褦������
statusPanel = createElement("statusbarpanel", {
id: "ldr_unread_count_panel",
tooltiptext: "Count: " });
canvas = createElement("canvas", {
id: "ldr_unread_count_image",
width: "24", height: "16"
},"http://www.w3.org/1999/xhtml");
statusPanel.appendChild(canvas);
// Icon�����ǽ������褬���Ƥ���
var ctx = canvas.getContext("2d");
icon_image.onload=function(){ ctx.drawImage(icon_image,0,0); };
//ctx.drawImage(icon_image,0,0);
document.getElementById('status-bar').insertBefore( statusPanel,
document.getElementById('security-button').nextSibling);
}
function updateTooltip(str){
statusPanel.setAttribute("tooltiptext",str);
}
/**
* Update StatusIcon
* @param {String|Number} count
*/
function updateCanvasCount(count){
count = "" + count;
var ctx = canvas.getContext("2d");
ctx.clearRect(0,0,24,16);
ctx.save();
// LDR Icon ������
ctx.drawImage(icon_image,0,0);
var width = ctx.canvas.width;
var height = ctx.canvas.height;
var len = ctx.mozMeasureText(count);
// ̤�ɷ������طʤ��Ť�����
// XXX: ���ä��ɤ����罸
ctx.save();
ctx.fillStyle = "rgba(48,48,48,0.75)";
ctx.fillRect(width-len-1,4,len+1,12);
ctx.restore();
// ̤�ɷ���������
// XXX: ���ä��ɤ����罸
ctx.fillStyle = "Cyan";
ctx.mozTextStyle = "12px sans-serif";
ctx.translate(width - len-1 ,height-1);
ctx.mozDrawText(count);
ctx.restore();
}
/**
* Draw Stop mark
*/
function canvasDrawStop(){
var ctx = canvas.getContext("2d");
ctx.clearRect(0,0,24,16);
ctx.drawImage(icon_image,0,0);
ctx.save();
//�ػߥޡ���������
ctx.strokeStyle = "Red";
ctx.lineWidth = "2";
ctx.beginPath();
ctx.arc(17,9,6,0,Math.PI*2,false);
ctx.stroke();
ctx.translate(17,9);
ctx.rotate(Math.PI/4);
ctx.beginPath();
ctx.moveTo(-6,0);
ctx.lineTo(6,0)
ctx.stroke()
ctx.restore();
}
var unreadCount = 0;
function setCount(count){
unreadCount = count;
updateTooltip("Unread: " + count);
updateCanvasCount(count);
}
function checkCount(id){
try {
var xhr = new XMLHttpRequest();
xhr.mozBackgroundRequest = true;
xhr.open("GET", "http://rpc.reader.livedoor.com/notify?user=" + id, false);
xhr.send(null);
setCount(xhr.responseText.split("|")[1]);
} catch (e) {
liberator.log(e,0);
liberator.echoerr("LDR Unread Counter: " + e.message);
}
}
var timer = null;
function startup(id){
setTimeout(function(){
checkCount(id);
timer = setTimeout(arguments.callee, manager.interval);
}, 1000);
}
// ---------------------------------------------------
// PUBLIC
// ---------------------------------------------------
var manager = {
get user_id() {
return liberator.globalVariables[userIdName];
},
get interval() {
var interval = liberator.globalVariables[gIntervalName];
if (interval){
interval = parseInt(interval,10);
}
return (isNaN(interval) ? 120 : interval) * 1000;
},
set interval(value){
value = parseInt(value,10);
if (isNaN(value)) return null;
liberator.globalVariables[gIntervalName] = value;
return value;
},
get count(){
return unreadCount;
},
start: function(){
if (!this.user_id) {
liberator.echoerr("LDR Unread Counter: Please :let "+ userIdName + " = <livedoor ID>");
// FIXME: �ʤ��顼���Ф롣�������ɤ�ʬ������
//this.stop();
return;
}
if (timer === null)
startup(this.user_id);
else
liberator.echoerr("LDR Unread Counter has already started");
},
stop: function(){
window.clearTimeout(timer);
timer = null;
canvasDrawStop();
updateTooltip("LDR Unread Counter: stoped");
},
open: function(){
liberator.open(['http://reader.livedoor.com/reader/']);
}
};
init();
return manager;
})();
// vim: sw=4 ts=4:
|
