goog.provide('ol.control.FullScreen');
goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.classlist');
goog.require('goog.dom.fullscreen');
goog.require('goog.dom.fullscreen.EventType');
goog.require('goog.events');
goog.require('goog.events.EventType');
goog.require('ol');
goog.require('ol.control.Control');
goog.require('ol.css');
/**
* @classdesc
* Provides a button that when clicked fills up the full screen with the map.
* When in full screen mode, a close button is shown to exit full screen mode.
* The [Fullscreen API](http://www.w3.org/TR/fullscreen/) is used to
* toggle the map in full screen mode.
*
*
* @constructor
* @extends {ol.control.Control}
* @param {olx.control.FullScreenOptions=} opt_options Options.
* @api stable
*/
ol.control.FullScreen = function(opt_options) {
var options = opt_options ? opt_options : {};
/**
* @private
* @type {string}
*/
this.cssClassName_ = options.className ? options.className : 'ol-full-screen';
var label = options.label ? options.label : '\u2194';
/**
* @private
* @type {Node}
*/
this.labelNode_ = goog.isString(label) ?
goog.dom.createTextNode(label) : label;
var labelActive = options.labelActive ? options.labelActive : '\u00d7';
/**
* @private
* @type {Node}
*/
this.labelActiveNode_ = goog.isString(labelActive) ?
goog.dom.createTextNode(labelActive) : labelActive;
var tipLabel = options.tipLabel ? options.tipLabel : 'Toggle full-screen';
var button = goog.dom.createDom('BUTTON', {
'class': this.cssClassName_ + '-' + goog.dom.fullscreen.isFullScreen(),
'type': 'button',
'title': tipLabel
}, this.labelNode_);
goog.events.listen(button, goog.events.EventType.CLICK,
this.handleClick_, false, this);
goog.events.listen(goog.global.document,
goog.dom.fullscreen.EventType.CHANGE,
this.handleFullScreenChange_, false, this);
var cssClasses = this.cssClassName_ + ' ' + ol.css.CLASS_UNSELECTABLE +
' ' + ol.css.CLASS_CONTROL + ' ' +
(!goog.dom.fullscreen.isSupported() ? ol.css.CLASS_UNSUPPORTED : '');
var element = goog.dom.createDom('DIV', cssClasses, button);
goog.base(this, {
element: element,
target: options.target
});
/**
* @private
* @type {boolean}
*/
this.keys_ = options.keys !== undefined ? options.keys : false;
};
goog.inherits(ol.control.FullScreen, ol.control.Control);
/**
* @param {goog.events.BrowserEvent} event The event to handle
* @private
*/
ol.control.FullScreen.prototype.handleClick_ = function(event) {
event.preventDefault();
this.handleFullScreen_();
};
/**
* @private
*/
ol.control.FullScreen.prototype.handleFullScreen_ = function() {
if (!goog.dom.fullscreen.isSupported()) {
return;
}
var map = this.getMap();
if (!map) {
return;
}
if (goog.dom.fullscreen.isFullScreen()) {
goog.dom.fullscreen.exitFullScreen();
} else {
var target = map.getTarget();
goog.asserts.assert(target, 'target should be defined');
var element = goog.dom.getElement(target);
goog.asserts.assert(element, 'element should be defined');
if (this.keys_) {
goog.dom.fullscreen.requestFullScreenWithKeys(element);
} else {
goog.dom.fullscreen.requestFullScreen(element);
}
}
};
/**
* @private
*/
ol.control.FullScreen.prototype.handleFullScreenChange_ = function() {
var opened = this.cssClassName_ + '-true';
var closed = this.cssClassName_ + '-false';
var button = goog.dom.getFirstElementChild(this.element);
var map = this.getMap();
if (goog.dom.fullscreen.isFullScreen()) {
goog.dom.classlist.swap(button, closed, opened);
goog.dom.replaceNode(this.labelActiveNode_, this.labelNode_);
} else {
goog.dom.classlist.swap(button, opened, closed);
goog.dom.replaceNode(this.labelNode_, this.labelActiveNode_);
}
if (map) {
map.updateSize();
}
};
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