mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-08 02:10:14 +02:00
280 lines
8.8 KiB
JavaScript
280 lines
8.8 KiB
JavaScript
function closeWindow(aClose)
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{
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var windowCount = 0;
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var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
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.getService(Components.interfaces.nsIWindowMediator);
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var e = wm.getEnumerator(null);
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while (e.hasMoreElements()) {
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var w = e.getNext();
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if (++windowCount == 2)
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break;
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}
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# Closing the last window doesn't quit the application on OS X.
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#ifndef XP_MACOSX
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// 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())
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return false;
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#endif
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if (aClose)
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window.close();
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return true;
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}
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function canQuitApplication()
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{
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var os = Components.classes["@mozilla.org/observer-service;1"]
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.getService(Components.interfaces.nsIObserverService);
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if (!os) return true;
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try {
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var cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
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.createInstance(Components.interfaces.nsISupportsPRBool);
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os.notifyObservers(cancelQuit, "quit-application-requested", null);
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// Something aborted the quit process.
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if (cancelQuit.data)
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return false;
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}
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catch (ex) { }
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os.notifyObservers(null, "quit-application-granted", null);
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return true;
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}
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function goQuitApplication()
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{
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if (!canQuitApplication())
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return false;
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var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
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var windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);
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var enumerator = windowManagerInterface.getEnumerator( null );
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var appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1'].
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getService(Components.interfaces.nsIAppStartup);
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while ( enumerator.hasMoreElements() )
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{
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var domWindow = enumerator.getNext();
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if (("tryToClose" in domWindow) && !domWindow.tryToClose())
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return false;
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domWindow.close();
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};
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appStartup.quit(Components.interfaces.nsIAppStartup.eAttemptQuit);
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return true;
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}
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/**
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* Command Updater
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*/
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var CommandUpdater = {
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/**
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* Gets a controller that can handle a particular command.
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* @param command
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* A command to locate a controller for, preferring controllers that
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* show the command as enabled.
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* @returns In this order of precedence:
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* - the first controller supporting the specified command
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* associated with the focused element that advertises the
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* command as ENABLED
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* - the first controller supporting the specified command
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* associated with the global window that advertises the
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* command as ENABLED
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* - the first controller supporting the specified command
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* associated with the focused element
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* - the first controller supporting the specified command
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* associated with the global window
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*/
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_getControllerForCommand: function(command) {
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try {
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var controller =
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top.document.commandDispatcher.getControllerForCommand(command);
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if (controller && controller.isCommandEnabled(command))
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return controller;
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}
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catch(e) {
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}
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var controllerCount = window.controllers.getControllerCount();
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for (var i = 0; i < controllerCount; ++i) {
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var current = window.controllers.getControllerAt(i);
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try {
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if (current.supportsCommand(command) && current.isCommandEnabled(command))
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return current;
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}
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catch (e) {
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}
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}
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return controller || window.controllers.getControllerForCommand(command);
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},
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/**
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* Updates the state of a XUL <command> element for the specified command
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* depending on its state.
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* @param command
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* The name of the command to update the XUL <command> element for
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*/
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updateCommand: function(command) {
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var enabled = false;
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try {
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var controller = this._getControllerForCommand(command);
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if (controller)
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enabled = controller.isCommandEnabled(command);
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}
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catch(ex) { }
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this.enableCommand(command, enabled);
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},
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/**
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* Enables or disables a XUL <command> element.
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* @param command
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* The name of the command to enable or disable
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* @param enabled
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* true if the command should be enabled, false otherwise.
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*/
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enableCommand: function(command, enabled) {
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var element = document.getElementById(command);
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if (!element)
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return;
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if (enabled)
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element.removeAttribute("disabled");
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else
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element.setAttribute("disabled", "true");
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},
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/**
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* Performs the action associated with a specified command using the most
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* relevant controller.
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* @param command
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* The command to perform.
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*/
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doCommand: function(command) {
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var controller = this._getControllerForCommand(command);
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if (!controller)
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return;
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controller.doCommand(command);
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},
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/**
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* Changes the label attribute for the specified command.
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* @param command
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* The command to update.
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* @param labelAttribute
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* The label value to use.
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*/
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setMenuValue: function(command, labelAttribute) {
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var commandNode = top.document.getElementById(command);
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if (commandNode)
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{
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var label = commandNode.getAttribute(labelAttribute);
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if ( label )
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commandNode.setAttribute('label', label);
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}
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},
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/**
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* Changes the accesskey attribute for the specified command.
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* @param command
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* The command to update.
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* @param valueAttribute
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* The value attribute to use.
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*/
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setAccessKey: function(command, valueAttribute) {
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var commandNode = top.document.getElementById(command);
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if (commandNode)
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{
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var value = commandNode.getAttribute(valueAttribute);
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if ( value )
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commandNode.setAttribute('accesskey', value);
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}
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},
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/**
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* Inform all the controllers attached to a node that an event has occurred
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* (e.g. the tree controllers need to be informed of blur events so that they can change some of the
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* menu items back to their default values)
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* @param node
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* The node receiving the event
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* @param event
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* The event.
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*/
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onEvent: function(node, event) {
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var numControllers = node.controllers.getControllerCount();
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var controller;
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for ( var controllerIndex = 0; controllerIndex < numControllers; controllerIndex++ )
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{
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controller = node.controllers.getControllerAt(controllerIndex);
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if ( controller )
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controller.onEvent(event);
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}
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}
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};
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// Shim for compatibility with existing code.
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function goDoCommand(command) { CommandUpdater.doCommand(command); }
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function goUpdateCommand(command) { CommandUpdater.updateCommand(command); }
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function goSetCommandEnabled(command, enabled) { CommandUpdater.enableCommand(command, enabled); }
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function goSetMenuValue(command, labelAttribute) { CommandUpdater.setMenuValue(command, labelAttribute); }
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function goSetAccessKey(command, valueAttribute) { CommandUpdater.setAccessKey(command, valueAttribute); }
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function goOnEvent(node, event) { CommandUpdater.onEvent(node, event); }
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function visitLink(aEvent) {
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var node = aEvent.target;
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while (node.nodeType != Node.ELEMENT_NODE)
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node = node.parentNode;
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var url = node.getAttribute("link");
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if (!url)
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return;
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var protocolSvc = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"]
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.getService(Components.interfaces.nsIExternalProtocolService);
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var ioService = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var uri = ioService.newURI(url, null, null);
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// if the scheme is not an exposed protocol, then opening this link
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// should be deferred to the system's external protocol handler
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if (protocolSvc.isExposedProtocol(uri.scheme)) {
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var win = window.top;
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if (win instanceof Components.interfaces.nsIDOMChromeWindow) {
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while (win.opener && !win.opener.closed)
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win = win.opener;
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}
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win.open(uri.spec);
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} else
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protocolSvc.loadUrl(uri);
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}
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function isValidLeftClick(aEvent, aName)
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{
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return (aEvent.button == 0 && aEvent.originalTarget.localName == aName);
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}
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function setTooltipText(aID, aTooltipText)
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{
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var element = document.getElementById(aID);
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if (element)
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element.setAttribute("tooltiptext", aTooltipText);
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}
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function FillInTooltip ( tipElement )
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{
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var retVal = false;
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var textNode = document.getElementById("TOOLTIP-tooltipText");
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if (textNode) {
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while (textNode.hasChildNodes())
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textNode.removeChild(textNode.firstChild);
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var tipText = tipElement.getAttribute("tooltiptext");
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if (tipText) {
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var node = document.createTextNode(tipText);
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textNode.appendChild(node);
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retVal = true;
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}
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}
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return retVal;
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}
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#include debug.js
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