/
eventMonitor.js
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/
eventMonitor.js
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/* See license.txt for terms of usage */
define([
"firebug/lib/object",
"firebug/firebug",
"firebug/lib/trace",
"firebug/lib/events",
"firebug/lib/locale",
"firebug/lib/dom",
"firebug/lib/domplate",
"firebug/chrome/reps",
"firebug/chrome/menu",
],
function(Obj, Firebug, FBTrace, Events, Locale, Dom, Domplate, FirebugReps, Menu) {
// ********************************************************************************************* //
// EventMonitor Module
var EventMonitor = Obj.extend(Firebug.Module,
{
dispatchName: "eventMonitor",
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Module
initialize: function()
{
Firebug.Module.initialize.apply(this, arguments);
Firebug.registerUIListener(this);
},
shutdown: function()
{
Firebug.unregisterUIListener(this);
Firebug.Module.shutdown.apply(this, arguments);
},
destroyContext: function(context, persistedState)
{
// Clean up all existing monitors.
var monitoredEvents = context.monitoredEvents;
if (monitoredEvents)
{
for (var i=0; i<monitoredEvents.length; ++i)
{
var m = monitoredEvents[i];
if (!m.type)
Events.detachAllListeners(m.object, context.onMonitorEvent, context);
else
Events.removeEventListener(m.object, m.type, context.onMonitorEvent, false);
}
}
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Event Monitor
toggleMonitorEvents: function(object, types, monitor, context)
{
if (monitor)
this.monitorEvents(object, types, context);
else
this.unmonitorEvents(object, types, context);
},
monitorEvents: function(object, types, context)
{
if (object && object.addEventListener)
{
if (!context.onMonitorEvent)
{
var self = this;
context.onMonitorEvent = function(event) {
self.onMonitorEvent(event, context);
};
}
if (!context.monitoredEvents)
context.monitoredEvents = new Map();
var monitoredEvents = context.monitoredEvents;
var eventTypes = getMonitoredEventTypes(types);
if (FBTrace.DBG_EVENTS)
FBTrace.sysout("EventMonitor.monitorEvents", eventTypes);
if (!context.monitoredEvents.has(object))
context.monitoredEvents.set(object, new Set());
var monitoredEventTypes = monitoredEvents.get(object);
for (var i = 0, len = eventTypes.length; i < len; ++i)
{
if (!this.areEventsMonitored(object, eventTypes[i], context))
{
Events.addEventListener(object, eventTypes[i], context.onMonitorEvent, false);
monitoredEventTypes.add(eventTypes[i]);
}
}
}
},
unmonitorEvents: function(object, types, context)
{
var monitoredEvents = context.monitoredEvents;
if (!monitoredEvents)
return;
var eventTypes = getMonitoredEventTypes(types);
if (FBTrace.DBG_EVENTS)
FBTrace.sysout("EventMonitor.unmonitorEvents", eventTypes);
if (object)
{
if (monitoredEvents.has(object))
{
var monitoredObjectEvents = monitoredEvents.get(object);
for (var i = 0, len = eventTypes.length; i < len; ++i)
{
if (monitoredObjectEvents.has(eventTypes[i]))
{
Events.removeEventListener(object, eventTypes[i],
context.onMonitorEvent, false);
monitoredObjectEvents["delete"](eventTypes[i]);
}
}
}
}
},
areEventsMonitored: function(object, types, context, allMonitored)
{
var monitoredEvents = context.monitoredEvents;
if (!monitoredEvents)
{
if (FBTrace.DBG_EVENTS)
FBTrace.sysout("EventMonitor.areEventsMonitored - No events monitored", object);
return false;
}
var eventTypes = getMonitoredEventTypes(types);
var monitoredObjectEvents = monitoredEvents.get(object);
if (!monitoredObjectEvents)
return;
if (typeof allMonitored == "undefined")
allMonitored = true;
for (var i = 0, len = eventTypes.length; i < len; ++i)
{
var monitored = monitoredObjectEvents.has(eventTypes[i]);
if (!monitored)
{
if (FBTrace.DBG_EVENTS)
{
FBTrace.sysout("EventMonitor.areEventsMonitored - Events not monitored for '" +
eventTypes[i] + "'");
}
if (allMonitored)
return false;
}
else
{
if (FBTrace.DBG_EVENTS)
{
FBTrace.sysout("EventMonitor.areEventsMonitored - Events monitored for '" +
eventTypes[i] + "'");
}
if (!allMonitored)
return true;
}
}
return allMonitored;
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Logging
onMonitorEvent: function(event, context)
{
var obj = new EventLog(event);
Firebug.Console.log(obj, context);
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// UI Listener
onContextMenu: function(items, object, target, context, panel, popup)
{
if (panel.name != "html")
return items;
var before = popup.querySelector("#fbScrollIntoView");
if (!before)
return items;
var elt = object;
// Create sub-menu-items for "Log Event"
var logEventItems = [];
var eventFamilies = Events.getEventFamilies();
for (var i=0, count=eventFamilies.length; i<count; ++i)
{
var family = eventFamilies[i];
// Compose a tooltip for the menu item.
var tooltipText = "Monitor " + eventFamilies[i] + " events:";
var types = Events.getEventTypes(family);
tooltipText += "\n" + types.join(", ");
// xxxHonza: there could be a helper for getting the CSS selector
var Element = FirebugReps.Element;
var selector = Element.getSelectorTag(elt) +
Element.getSelectorId(elt) +
Element.getSelectorClass(elt);
// xxxHonza: localization?
tooltipText += "\n\nCommand Line Example:\n" +
"monitorEvents($('" + selector + "'), '" + family + "')";
logEventItems.push({
nol10n: true,
label: Locale.$STR(family),
tooltiptext: tooltipText,
id: "monitor" + family + "Events",
type: "checkbox",
checked: this.areEventsMonitored(elt, family, context),
command: Obj.bind(this.onToggleMonitorEvents, this, elt, family, context)
});
}
function onCommand(event)
{
Events.cancelEvent(event);
var checked = this.areEventsMonitored(elt, null, context, false);
this.toggleMonitorEvents(elt, null, !checked, context);
}
var item = {
label: "ShowEventsInConsole",
tooltiptext: "html.tip.Show_Events_In_Console",
id: "fbShowEventsInConsole",
type: "checkbox",
checked: this.areEventsMonitored(elt, null, context, false),
command: onCommand.bind(this),
items: logEventItems
};
var logEventsItem = Menu.createMenuItem(popup, item, before);
var separator = Menu.createMenuItem(popup, "-", before);
return items;
},
onToggleMonitorEvents: function(event, elt, type, context)
{
var checked = event.target.getAttribute("checked") == "true";
this.toggleMonitorEvents(elt, type, checked, context);
Events.cancelEvent(event);
// Toggle the main "Log Events" option depending on whether all events are monitored.
var doc = event.target.ownerDocument;
var logEvents = doc.getElementById("fbShowEventsInConsole");
logEvents.setAttribute("checked", this.areEventsMonitored(elt, null, context, false));
},
});
// ********************************************************************************************* //
// Helpers
function getMonitoredEventTypes(types)
{
var eventTypes = [];
if (!types)
{
eventTypes = Events.getEventTypes();
}
else
{
if (typeof types == "string")
{
eventTypes = Events.isEventFamily(types) ? Events.getEventTypes(types) : [types];
}
else
{
for (var i = 0; i < types.length; ++i)
{
if (Events.isEventFamily(types[i]))
{
var familyEventTypes = Events.getEventTypes(types[i]);
for (var j = 0; j < familyEventTypes.length; ++j)
eventTypes.push(familyEventTypes[j]);
}
else
{
eventTypes.push(types[i]);
}
}
}
}
return eventTypes;
}
// ********************************************************************************************* //
// Rep Object
var EventLog = function(event)
{
this.event = event;
};
// ********************************************************************************************* //
// Rep Template
with (Domplate) {
var EventLogRep = domplate(FirebugReps.Event,
{
className: "eventLog",
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
tag:
TAG("$copyEventTag", {object: "$object|copyEvent"}),
copyEventTag:
SPAN(
FirebugReps.OBJECTLINK("$object|summarizeEvent"),
SPAN(" "),
SPAN("»"),
SPAN(" "),
TAG("$object|getTargetTag", {object: "$object|getTarget"})
),
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
copyEvent: function(log)
{
return new Dom.EventCopy(log.event);
},
getTarget: function(event)
{
return event.target;
},
getTargetTag: function(event)
{
var rep = Firebug.getRep(event.target);
return rep.shortTag ? rep.shortTag : rep.tag;
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
supportsObject: function(object, type)
{
return object instanceof EventLog;
},
})};
// ********************************************************************************************* //
// CommandLine Support
function monitorEvents(context, args)
{
var object = args[0];
var types = args[1];
EventMonitor.monitorEvents(object, types, context);
return Firebug.Console.getDefaultReturnValue(context.window);
}
function unmonitorEvents(context, args)
{
var object = args[0];
var types = args[1];
EventMonitor.unmonitorEvents(object, types, context);
return Firebug.Console.getDefaultReturnValue(context.window);
}
// ********************************************************************************************* //
// Registration
Firebug.registerModule(EventMonitor);
Firebug.registerRep(EventLogRep);
Firebug.registerCommand("monitorEvents", {
handler: monitorEvents.bind(this),
helpUrl: "http://getfirebug.com/wiki/index.php/monitorEvents",
description: Locale.$STR("console.cmd.help.monitorEvents")
});
Firebug.registerCommand("unmonitorEvents", {
handler: unmonitorEvents.bind(this),
helpUrl: "http://getfirebug.com/wiki/index.php/unmonitorEvents",
description: Locale.$STR("console.cmd.help.unmonitorEvents")
});
return EventMonitor;
// ********************************************************************************************* //
});