From 93b33589a1133784b4fc75bb3fb980a656626c92 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 7 Oct 2013 15:39:52 +0200
Subject: [PATCH] Make double click zoom animation duration configurable

---
 src/objectliterals.jsdoc                         |  1 +
 src/ol/interaction/doubleclickzoominteraction.js | 16 ++++++++--------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index a608544138..bee1954ac6 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -240,6 +240,7 @@
 
 /**
  * @typedef {Object} ol.interaction.DoubleClickZoomOptions
+ * @property {number|undefined} duration Animation duration. Default is 250ms.
  * @property {number|undefined} delta The zoom delta applied on each double
  *     click, default is 1.
  */
diff --git a/src/ol/interaction/doubleclickzoominteraction.js b/src/ol/interaction/doubleclickzoominteraction.js
index 38c1427db5..f68a348c5d 100644
--- a/src/ol/interaction/doubleclickzoominteraction.js
+++ b/src/ol/interaction/doubleclickzoominteraction.js
@@ -8,12 +8,6 @@ goog.require('ol.MapBrowserEvent.EventType');
 goog.require('ol.interaction.Interaction');
 
 
-/**
- * @define {number} Animation duration.
- */
-ol.interaction.DOUBLECLICKZOOM_ANIMATION_DURATION = 250;
-
-
 
 /**
  * Allows the user to zoom by double-clicking on the map.
@@ -34,6 +28,12 @@ ol.interaction.DoubleClickZoom = function(opt_options) {
 
   goog.base(this);
 
+  /**
+   * @private
+   * @type {number}
+   */
+  this.duration_ = goog.isDef(options.duration) ? options.duration : 250;
+
 };
 goog.inherits(ol.interaction.DoubleClickZoom, ol.interaction.Interaction);
 
@@ -52,8 +52,8 @@ ol.interaction.DoubleClickZoom.prototype.handleMapBrowserEvent =
     var delta = browserEvent.shiftKey ? -this.delta_ : this.delta_;
     // FIXME works for View2D only
     var view = map.getView().getView2D();
-    ol.interaction.Interaction.zoomByDelta(map, view, delta, anchor,
-        ol.interaction.DOUBLECLICKZOOM_ANIMATION_DURATION);
+    ol.interaction.Interaction.zoomByDelta(
+        map, view, delta, anchor, this.duration_);
     mapBrowserEvent.preventDefault();
     stopEvent = true;
   }