Files
openlayers/src/ol/view.js

88 lines
1.4 KiB
JavaScript

goog.provide('ol.View');
goog.provide('ol.ViewHint');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('ol.IView');
goog.require('ol.Object');
/**
* @enum {number}
*/
ol.ViewHint = {
ANIMATING: 0,
INTERACTING: 1
};
/**
* @constructor
* @implements {ol.IView}
* @extends {ol.Object}
*/
ol.View = function() {
goog.base(this);
/**
* @private
* @type {Array.<number>}
*/
this.hints_ = [0, 0];
};
goog.inherits(ol.View, ol.Object);
/**
* @return {Array.<number>} Hint.
*/
ol.View.prototype.getHints = function() {
return goog.array.clone(this.hints_);
};
/**
* @inheritDoc
*/
ol.View.prototype.getView2D = function() {
// FIXME for some reason, we can't use goog.abstractMethod here
goog.asserts.fail();
return null;
};
/**
* @inheritDoc
*/
ol.View.prototype.getView3D = function() {
// FIXME for some reason, we can't use goog.abstractMethod here
goog.asserts.fail();
return null;
};
/**
* @inheritDoc
*/
ol.View.prototype.isDef = function() {
// FIXME for some reason, we can't use goog.abstractMethod here
goog.asserts.fail();
return false;
};
/**
* @param {ol.ViewHint} hint Hint.
* @param {number} delta Delta.
* @return {number} New value.
*/
ol.View.prototype.setHint = function(hint, delta) {
goog.asserts.assert(0 <= hint && hint < this.hints_.length);
this.hints_[hint] += delta;
goog.asserts.assert(this.hints_[hint] >= 0);
return this.hints_[hint];
};