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/**
* ==VimperatorPlugin==
* @name notifier.js
* @description notice of change framework.
* @description-ja 変更通知フレームワーク。
* @author suVene suvene@zeromemory.info
* @version 0.1.0
* @minVersion 2.0pre
* @maxVersion 2.0pre
* Last Change: 07-Dec-2008.
* ==/VimperatorPlugin==
*
* HEAD COMMENT {{{
* }}}
*/
(function() {
io.sourceFromRuntimePath(['libly.js']);
if (!liberator.plugins.libly) {
liberator.log('notifier: needs libly.js');
return;
}
if (liberator.plugins.notifier && liberator.plugins.notifier._self) {
liberator.plugins.notifier._self.stop(function() { liberator.plugins.notifier._self = bootstrap(); });
} else {
liberator.plugins.notifier = {};
liberator.plugins.notifier._self = bootstrap();
}
function bootstrap() {
var libly = liberator.plugins.libly;
var $U = libly.$U;
var logger = $U.getLogger('notifier');
var Loader = function() {//{{{
this.initialize.apply(this, arguments);
};
Loader.prototype = {
initialize: function(name, registerHook) {
liberator.plugins.notifier[name] = this;
this.name = name;
this.plugins = [];
this.registerHook = registerHook;
this.load(name);
},
load: function(name) {
io.getRuntimeDirectories('plugin/notifier').forEach(function(dir) {
$U.readDirectory(io.expandPath(dir.path), '^' + name + '_', function(f) {
try {
io.source(f.path, true)
logger.log('plugin load success: ' + f.leafName);
} catch (e) {
logger.log('plugin load failed: ' + f.leafName);
}
});
});
},
register: function(plugin) {
this.plugins.push(this.registerHook(plugin));
},
unregister: function(plugin) {
var ret = [];
this.plugins.forEach(function(p) { if (p != plugin) ret.push(p); });
this.plugins = ret;
},
getPlugins: function() {
return this.plugins;
}
};
//}}}
var Message = function() {//{{{
this.initialize.apply(this, arguments);
};
Message.prototype = {
initialize: function(title, message, options) {
try {
if (typeof title == 'undefined' || title == null) throw 'title is undefined.';
if (typeof message == 'undefined' || message == null) throw 'message is undefined.';
this.title = title;
this.message = message;
this.options = options;
} catch (e) {
logger.log('Message.initialize error: ' + e);
throw e;
}
}
};//}}}
var Observer = function() {//{{{
this.__initialize__.apply(this, arguments);
};
Observer.prototype = {
__initialize__: function(args) {
$U.extend(this, args);
if (typeof this.initialize == 'function') this.initialize();
}
};//}}}
var Subject = function() {//{{{
this.__initialize__.apply(this, arguments);
};
Subject.prototype = {
__initialize__: function(args) {
this.isActive = false;
this.observers = [];
this.interval = 0;
//if (this.interval < 60) this.interval = 60;
this.__nextTime = new Date();
$U.extend(this, args);
if (typeof this.initialize == 'function') this.initialize();
},
attach: function(observer) {
this.observers.push(observer);
},
notify: function(message) {
if (!message) return;
this.observers.forEach(function(o) {
if (!o || typeof o.update != 'function') return;
try {
o.update(message);
} catch (e) {
logger.log(e);
}
});
},
check: function() { throw 'needs override.' }
};//}}}
var Notifier = function() {//{{{
this.initialize.apply(this, arguments);
};
Notifier.prototype = {
initialize: function(args) {//{{{
this.id = (new Date()).getTime();
this.observers;
this.subjects;
this.timer = false;
this.finallycallback;
this.isBusy = false;
},//}}}
setup: function() {//{{{
if (this.isBusy) {
logger.log('bussy.' + this.id);
return;
}
this.isBusy = true;
commands.addUserCommand(['notifierstart'], 'start the notifier',
$U.bind(this, function(args) { this.start() }), null, true
);
commands.addUserCommand(['notifierrestart'], 'restart the notifier',
$U.bind(this, function(args) { this.stop($U.bind(this, function() { this.start() })) }),
null, true
);
commands.addUserCommand(['notifierstop'], 'stop the notifier',
$U.bind(this, function(args) { this.stop() }), null, true
);
liberator.plugins.notifier.libly = libly;
liberator.plugins.notifier.Message = Message;
this.observers = new Loader('observer', function(args) new Observer(args));
this.subjects = new Loader('subject', function(args) new Subject(args));
this.observers.getPlugins().forEach($U.bind(this, function(o) {
this.subjects.getPlugins().forEach(function(s) s.attach(o));
}));
this.isBusy = false;
},//}}}
start: function() {//{{{
if (this.timer) {
logger.log('already running.' + this.id);
return;
}
if (this.isBusy) {
logger.log('busy.' + this.id);
return;
}
var start = $U.dateFormat(new Date());
setTimeout($U.bind(this, function() {
logger.echo('notifier[' + this.id + '] running at ' + start, commandline.force_singleline);
this.timer = true;
while (this.timer) { //{{{
liberator.dump('window:' + window.content.window);
this.subjects.getPlugins().forEach(function(s) {
let now = new Date();
if (!s.__nextTime) s.nexttime = now;
if (s.interval > 0 && !s.isActive && s.__nextTime <= now) {
setTimeout(function() {
let start = (new Date()).getTime();
s.isActive = true;
if (typeof s.check == 'function')
try { s.check(); } catch (e) { logger.log('subject.check error: ' + e) }
let stop = (new Date()).getTime();
let elapse = (stop - start);
s.isActive = false;
s.__nextTime = new Date(s.__nextTime.getTime() + s.interval * 1000);
if (s.__nextTime < now) s.__nextTime = now;
}, 10);
}
});
liberator.sleep(3 * 1000);
}//}}}
if (typeof this.finallycallback == 'function') this.finallycallback();
logger.echo('notifier[' + this.id + '] stopped.(' + start + ')', commandline.force_singleline);
}), 10);
},//}}}
stop: function(finallycallback) {//{{{
if (!this.timer) {
logger.log('not running.');
if (typeof finallycallback == 'function') finallycallback();
return;
}
this.finallycallback = finallycallback;
this.timer = false;
}//}}}
};//}}}
var instance = new Notifier();
instance.setup();
instance.start();
return instance;
};
})();
// vim: set fdm=marker sw=4 ts=4 sts=0 et:
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