gecko-dev/browser/metro/base/content/flyoutpanels/FlyoutPanelsUI.js

121 строка
3.3 KiB
JavaScript

// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict';
let FlyoutPanelsUI = {
_isInitialized: false,
init: function() {
if (this._isInitialized) {
Cu.reportError("Attempted to initialize FlyoutPanelsUI more than once");
return;
}
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
this._isInitialized = true;
let scriptContexts = {};
let scripts =
[
['AboutFlyoutPanel', 'chrome://browser/content/flyoutpanels/AboutFlyoutPanel.js'],
['PrefsFlyoutPanel', 'chrome://browser/content/flyoutpanels/PrefsFlyoutPanel.js'],
['SearchFlyoutPanel', 'chrome://browser/content/flyoutpanels/SearchFlyoutPanel.js'],
#ifdef MOZ_SERVICES_SYNC
['SyncFlyoutPanel', 'chrome://browser/content/flyoutpanels/SyncFlyoutPanel.js'],
#endif
];
scripts.forEach(function (aScript) {
let [name, script] = aScript;
XPCOMUtils.defineLazyGetter(FlyoutPanelsUI, name, function() {
let sandbox = {};
Services.scriptloader.loadSubScript(script, sandbox);
sandbox[name].init();
return sandbox[name];
});
});
Services.obs.addObserver(this, "metro_viewstate_changed", false);
window.addEventListener("TabOpen", this, false);
},
uninit: function () {
Services.obs.removeObserver(this, "metro_viewstate_changed");
window.removeEventListener("TabOpen", this, false);
},
show: function(aToShow) {
if (!this[aToShow]) {
throw("FlyoutPanelsUI asked to show '" + aToShow + "' which does not exist");
}
if (this._currentFlyout) {
if (this._currentFlyout == this[aToShow]) {
return;
} else {
this.hide();
}
}
this._currentFlyout = this[aToShow];
if (this._currentFlyout._show) {
this._currentFlyout._show();
} else {
this._currentFlyout._topmostElement.show();
}
DialogUI.pushPopup(this, this._currentFlyout._topmostElement);
},
onBackButton: function() {
if (this._currentFlyout._onBackButton) {
this._currentFlyout._onBackButton();
} else {
this.hide();
Services.metro.showSettingsFlyout();
}
},
get isVisible() {
return this._currentFlyout ? true : false;
},
handleEvent: function (aEvent) {
switch (aEvent.type) {
case "TabOpen":
this.hide()
break;
}
},
observe: function (aSubject, aTopic, aData) {
switch (aTopic) {
case "metro_viewstate_changed":
if (aData == "snapped") {
this.hide();
}
break;
}
},
dispatchEvent: function(aEvent) {
if (this._currentFlyout) {
this._currentFlyout._topmostElement.dispatchEvent(aEvent);
}
},
hide: function() {
if (this._currentFlyout) {
if (this._currentFlyout._hide) {
this._currentFlyout._hide();
} else {
this._currentFlyout._topmostElement.hide();
}
DialogUI.popPopup(this);
delete this._currentFlyout;
}
}
};