ionic-angular
Version:
A powerful framework for building mobile and progressive web apps with JavaScript and Angular
66 lines • 1.88 kB
JavaScript
/**
* @hidden
*/
export class DisplayWhen {
/**
* @param {?} conditions
* @param {?} _plt
* @param {?} zone
*/
constructor(conditions, _plt, zone) {
this._plt = _plt;
this.zone = zone;
this.isMatch = false;
if (!conditions)
return;
this.conditions = conditions.replace(/\s/g, '').split(',');
// check if its one of the matching platforms first
// a platform does not change during the life of an app
for (let i = 0; i < this.conditions.length; i++) {
if (this.conditions[i] && _plt.is(this.conditions[i])) {
this.isMatch = true;
return;
}
}
if (this.orientation()) {
// add window resize listener
this.resizeObs = _plt.resize.subscribe(this.orientation.bind(this));
}
}
/**
* @return {?}
*/
orientation() {
for (let /** @type {?} */ i = 0; i < this.conditions.length; i++) {
if (this.conditions[i] === 'portrait') {
this.isMatch = this._plt.isPortrait();
return true;
}
if (this.conditions[i] === 'landscape') {
this.isMatch = this._plt.isLandscape();
return true;
}
}
return false;
}
/**
* @return {?}
*/
ngOnDestroy() {
this.resizeObs && this.resizeObs.unsubscribe();
this.resizeObs = null;
}
}
function DisplayWhen_tsickle_Closure_declarations() {
/** @type {?} */
DisplayWhen.prototype.isMatch;
/** @type {?} */
DisplayWhen.prototype.conditions;
/** @type {?} */
DisplayWhen.prototype.resizeObs;
/** @type {?} */
DisplayWhen.prototype._plt;
/** @type {?} */
DisplayWhen.prototype.zone;
}
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