pjs/toolkit/content/globalOverlay.js

208 строки
5.8 KiB
JavaScript
Исходник Обычный вид История

function closeWindow(aClose)
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{
var windowCount = 0;
var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
.getService(Components.interfaces.nsIWindowMediator);
var e = wm.getEnumerator(null);
while (e.hasMoreElements()) {
var w = e.getNext();
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if (++windowCount == 2)
break;
}
# Closing the last window doesn't quit the application on OS X.
#ifndef XP_MACOSX
// If we're down to the last window and someone tries to shut down, check to make sure we can!
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if (windowCount == 1 && !canQuitApplication())
return false;
#endif
if (aClose)
window.close();
return true;
}
function canQuitApplication()
{
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var os = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
if (!os) return true;
try {
var cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
.createInstance(Components.interfaces.nsISupportsPRBool);
os.notifyObservers(cancelQuit, "quit-application-requested", null);
// Something aborted the quit process.
if (cancelQuit.data)
return false;
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}
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catch (ex) { }
os.notifyObservers(null, "quit-application-granted", null);
return true;
}
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function goQuitApplication()
{
if (!canQuitApplication())
return false;
var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
var windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);
var enumerator = windowManagerInterface.getEnumerator( null );
var appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1'].
getService(Components.interfaces.nsIAppStartup);
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while ( enumerator.hasMoreElements() )
{
var domWindow = enumerator.getNext();
if (("tryToClose" in domWindow) && !domWindow.tryToClose())
return false;
domWindow.close();
};
appStartup.quit(Components.interfaces.nsIAppStartup.eAttemptQuit);
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return true;
}
//
// Command Updater functions
//
function goUpdateCommand(aCommand)
{
try {
var controller = top.document.commandDispatcher
.getControllerForCommand(aCommand);
var enabled = false;
if (controller)
enabled = controller.isCommandEnabled(aCommand);
goSetCommandEnabled(aCommand, enabled);
}
catch (e) {
dump("An error occurred updating the " + aCommand + " command\n");
}
}
function goDoCommand(aCommand)
{
try {
var controller = top.document.commandDispatcher
.getControllerForCommand(aCommand);
if (controller && controller.isCommandEnabled(aCommand))
controller.doCommand(aCommand);
}
catch (e) {
dump("An error occurred executing the " + aCommand + " command\n" + e + "\n");
}
}
function goSetCommandEnabled(aID, aEnabled)
{
var node = document.getElementById(aID);
if (node) {
if (aEnabled)
node.removeAttribute("disabled");
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else
node.setAttribute("disabled", "true");
}
}
function goSetMenuValue(aCommand, aLabelAttribute)
{
var commandNode = top.document.getElementById(aCommand);
if (commandNode) {
var label = commandNode.getAttribute(aLabelAttribute);
if (label)
commandNode.setAttribute("label", label);
}
}
function goSetAccessKey(aCommand, aValueAttribute)
{
var commandNode = top.document.getElementById(aCommand);
if (commandNode) {
var value = commandNode.getAttribute(aValueAttribute);
if (value)
commandNode.setAttribute("accesskey", value);
}
}
// this function is used to inform all the controllers attached to a node that an event has occurred
// (e.g. the tree controllers need to be informed of blur events so that they can change some of the
// menu items back to their default values)
function goOnEvent(aNode, aEvent)
{
var numControllers = aNode.controllers.getControllerCount();
var controller;
for (var controllerIndex = 0; controllerIndex < numControllers; controllerIndex++) {
controller = aNode.controllers.getControllerAt(controllerIndex);
if (controller)
controller.onEvent(aEvent);
}
}
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function visitLink(aEvent) {
var node = aEvent.target;
while (node.nodeType != Node.ELEMENT_NODE)
node = node.parentNode;
var url = node.getAttribute("link");
if (!url)
return;
var protocolSvc = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"]
.getService(Components.interfaces.nsIExternalProtocolService);
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
var uri = ioService.newURI(url, null, null);
// if the scheme is not an exposed protocol, then opening this link
// should be deferred to the system's external protocol handler
if (protocolSvc.isExposedProtocol(uri.scheme)) {
var win = window.top;
if (win instanceof Components.interfaces.nsIDOMChromeWindow) {
while (win.opener && !win.opener.closed)
win = win.opener;
}
win.open(uri.spec);
}
else
protocolSvc.loadUrl(uri);
}
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function isValidLeftClick(aEvent, aName)
{
return (aEvent.button == 0 && aEvent.originalTarget.localName == aName);
}
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function setTooltipText(aID, aTooltipText)
{
var element = document.getElementById(aID);
if (element)
element.setAttribute("tooltiptext", aTooltipText);
}
function FillInTooltip ( tipElement )
{
var retVal = false;
var textNode = document.getElementById("TOOLTIP-tooltipText");
if (textNode) {
while (textNode.hasChildNodes())
textNode.removeChild(textNode.firstChild);
var tipText = tipElement.getAttribute("tooltiptext");
if (tipText) {
var node = document.createTextNode(tipText);
textNode.appendChild(node);
retVal = true;
}
}
return retVal;
}
#include debug.js