goog.provide('ol.control.FullScreen');
goog.require('goog.asserts');
goog.require('goog.dom');
goog.require('goog.dom.fullscreen');
goog.require('goog.dom.fullscreen.EventType');
goog.require('ol.events');
goog.require('ol.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.
* The full screen source element is by default the element containing the map viewport unless
* overriden by providing the `source` option. In which case, the dom
* element introduced using this parameter will be displayed in full screen.
*
* 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 !== undefined ? options.className :
'ol-full-screen';
var label = options.label !== undefined ? options.label : '\u2922';
/**
* @private
* @type {Node}
*/
this.labelNode_ = typeof label === 'string' ?
document.createTextNode(label) : label;
var labelActive = options.labelActive !== undefined ? options.labelActive : '\u00d7';
/**
* @private
* @type {Node}
*/
this.labelActiveNode_ = typeof labelActive === 'string' ?
document.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_);
ol.events.listen(button, ol.events.EventType.CLICK,
this.handleClick_, 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;
/**
* @private
* @type {Element|string|undefined}
*/
this.source_ = options.source;
};
goog.inherits(ol.control.FullScreen, ol.control.Control);
/**
* @param {Event} 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 element = this.source_ ?
goog.dom.getElement(this.source_) : map.getTargetElement();
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 button = this.element.firstElementChild;
var map = this.getMap();
if (goog.dom.fullscreen.isFullScreen()) {
button.className = this.cssClassName_ + '-true';
goog.dom.replaceNode(this.labelActiveNode_, this.labelNode_);
} else {
button.className = this.cssClassName_ + '-false';
goog.dom.replaceNode(this.labelNode_, this.labelActiveNode_);
}
if (map) {
map.updateSize();
}
};
/**
* @inheritDoc
* @api stable
*/
ol.control.FullScreen.prototype.setMap = function(map) {
goog.base(this, 'setMap', map);
if (map) {
this.listenerKeys.push(
ol.events.listen(goog.global.document, goog.dom.fullscreen.EventType.CHANGE,
this.handleFullScreenChange_, this)
);
}
};
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