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loader.js
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loader.js
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/* See license.txt for terms of usage */
// ********************************************************************************************* //
// Constants
var EXPORTED_SYMBOLS = ["FirebugLoader"];
var Cc = Components.classes;
var Ci = Components.interfaces;
var Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
// xxxHonza: this breaks tracing, needs to be fixed.
//Components.utils.import("resource://firebug/fbtrace.js");
var FBTrace = {};
// ********************************************************************************************* //
function loadSubscript(src, win)
{
return Services.scriptloader.loadSubScript(src, win);
}
// ********************************************************************************************* //
var FirebugLoader =
{
bootstrapScopes: [],
registerBootstrapScope: function(e)
{
if (this.bootstrapScopes.indexOf(e) != -1)
return;
this.bootstrapScopes.push(e);
this.forEachWindow(function(win)
{
e.topWindowLoad(win);
if (!win.Firebug.isInitialized)
return;
e.firebugFrameLoad(win.Firebug);
})
},
unregisterBootstrapScope: function(e)
{
var i = this.bootstrapScopes.indexOf(e);
if (i >= 0)
this.bootstrapScopes.splice(i, 1);
if (e.topWindowUnload)
{
this.forEachWindow(function(win)
{
e.topWindowUnload(win);
})
}
if (e.firebugFrameUnload)
{
this.forEachWindow(function(win)
{
e.firebugFrameUnload(win.Firebug);
})
}
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
startup: function()
{
// allow already started bootstrapped firebug extensions to register themselves
var XPIProviderBP = Cu.import("resource://gre/modules/XPIProvider.jsm", {});
var bootstrapScopes = XPIProviderBP.XPIProvider.bootstrapScopes;
for each(var scope in bootstrapScopes)
{
try
{
if (scope.firebugStartup)
scope.firebugStartup(this);
}
catch(e)
{
Cu.reportError(e);
}
}
},
shutdown: function()
{
this.forEachWindow(function(win)
{
FirebugLoader.unloadFromWindow(win);
})
},
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
unloadFromWindow: function(win)
{
var fbug = win.Firebug
this.dispatchToScopes("topWindowUnload", [win]);
if (fbug.shutdown)
{
fbug.closeFirebug();
fbug.shutdown();
}
function getRoots(el)
{
return Array.slice(el.querySelectorAll("[firebugRootNode]"));
}
[getRoots(win.document), getRoots(win.gNavToolbox.palette),
fbug.GlobalUI.nodesToRemove].forEach(function(list)
{
for each(var el in list)
if (el && el.parentNode)
el.parentNode.removeChild(el);
});
win.Firebug.GlobalUI.unloadContextMenuOverlay(win);
delete win.Firebug;
delete win.FBTrace;
delete win.FBL;
},
loadIntoWindow: function(win, reason)
{
// This is the place where the global Firebug object is created. This object represents
// the entire application and all consequently created namespaces and variables should be
// injected into it.
// In the future, there should *not* be any other globals except of the Firebug object.
win.Firebug = {};
// Apply all Firefox/SeaMonkey overlays to the browser window.
loadSubscript("chrome://firebug/content/firefox/browserOverlay.js", win);
win.Firebug.GlobalUI.loadContextMenuOverlay(win);
win.Firebug.GlobalUI.loadFirstRunPage(win, reason);
// Firebug extensions should initialize here.
this.dispatchToScopes("topWindowLoad", [win]);
},
dispatchToScopes: function(name, arguments)
{
for each (var e in this.bootstrapScopes)
{
try
{
if (name in e)
e[name].apply(e, arguments);
}
catch(e)
{
Cu.reportError(e);
}
}
},
forEachWindow: function(func)
{
var enumerator = Services.wm.getEnumerator("navigator:browser");
while (enumerator.hasMoreElements())
{
try
{
var win = enumerator.getNext();
if (win.Firebug)
func(win);
}
catch(e)
{
Cu.reportError(e);
}
}
}
}
// ********************************************************************************************* //