Merge branch 'master' into derp

Conflicts:
	Gruntfile.js
	dist/css/bootstrap-theme.css.map
	dist/css/bootstrap.css
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	dist/fonts/glyphicons-halflings-regular.svg
	docs/_includes/components/badges.html
	docs/_includes/components/input-groups.html
	docs/_includes/components/pagination.html
	docs/_includes/css/forms.html
	docs/_includes/footer.html
	docs/_includes/getting-started/browser-device-support.html
	docs/_includes/getting-started/grunt.html
	docs/_includes/home-nav.html
	docs/_includes/js/alerts.html
	docs/_includes/js/buttons.html
	docs/_includes/js/carousel.html
	docs/_includes/js/collapse.html
	docs/_includes/js/modal.html
	docs/_includes/js/popovers.html
	docs/_includes/js/tooltips.html
	docs/_includes/nav/getting-started.html
	docs/_includes/nav/javascript.html
	docs/assets/css/docs.min.css
	docs/assets/css/src/docs.css
	docs/assets/js/customize.min.js
	docs/assets/js/raw-files.min.js
	docs/browser-bugs.html
	docs/dist/css/bootstrap-theme.css.map
	docs/dist/css/bootstrap.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css
	docs/dist/fonts/glyphicons-halflings-regular.svg
	fonts/glyphicons-halflings-regular.svg
	less/_button-group.less
	less/_jumbotron.less
	less/_variables.less
	less/mixins/vendor-prefixes.less
	less/panels.less
	less/thumbnails.less
	package.json

1 files changed, 28 insertions, 21 deletions

diff --git a/js/tooltip.js b/js/tooltip.js
index 0758b07ee..7194b5d01 100644
--- a/js/tooltip.js
+++ b/js/tooltip.js
@@ -105,6 +105,11 @@
     var self = obj instanceof this.constructor ?
       obj : $(obj.currentTarget).data('bs.' + this.type)
 
+    if (self && self.$tip && self.$tip.is(':visible')) {
+      self.hoverState = 'in'
+      return
+    }
+
     if (!self) {
       self = new this.constructor(obj.currentTarget, this.getDelegateOptions())
       $(obj.currentTarget).data('bs.' + this.type, self)
@@ -147,7 +152,7 @@
     if (this.hasContent() && this.enabled) {
       this.$element.trigger(e)
 
-      var inDom = $.contains(document.documentElement, this.$element[0])
+      var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])
       if (e.isDefaultPrevented() || !inDom) return
       var that = this
 
@@ -256,16 +261,18 @@
     if (delta.left) offset.left += delta.left
     else offset.top += delta.top
 
-    var arrowDelta          = delta.left ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
-    var arrowPosition       = delta.left ? 'left'        : 'top'
-    var arrowOffsetPosition = delta.left ? 'offsetWidth' : 'offsetHeight'
+    var isVertical          = /top|bottom/.test(placement)
+    var arrowDelta          = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
+    var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'
 
     $tip.offset(offset)
-    this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], arrowPosition)
+    this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)
   }
 
-  Tooltip.prototype.replaceArrow = function (delta, dimension, position) {
-    this.arrow().css(position, delta ? (50 * (1 - delta / dimension) + '%') : '')
+  Tooltip.prototype.replaceArrow = function (delta, dimension, isHorizontal) {
+    this.arrow()
+      .css(isHorizontal ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')
+      .css(isHorizontal ? 'top' : 'left', '')
   }
 
   Tooltip.prototype.setContent = function () {
@@ -276,16 +283,17 @@
     $tip.removeClass('fade in top bottom left right')
   }
 
-  Tooltip.prototype.hide = function () {
+  Tooltip.prototype.hide = function (callback) {
     var that = this
     var $tip = this.tip()
     var e    = $.Event('hide.bs.' + this.type)
 
-    this.$element.removeAttr('aria-describedby')
-
     function complete() {
       if (that.hoverState != 'in') $tip.detach()
-      that.$element.trigger('hidden.bs.' + that.type)
+      that.$element
+        .removeAttr('aria-describedby')
+        .trigger('hidden.bs.' + that.type)
+      callback && callback()
     }
 
     this.$element.trigger(e)
@@ -323,7 +331,11 @@
     var isBody = el.tagName == 'BODY'
     var isSvg  = window.SVGElement && el instanceof window.SVGElement
 
-    var elRect    = el.getBoundingClientRect ? el.getBoundingClientRect() : null
+    var elRect    = el.getBoundingClientRect()
+    if (elRect.width == null) {
+      // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
+      elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
+    }
     var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()
     var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
     var outerDims = isSvg ? {} : {
@@ -395,14 +407,6 @@
     return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))
   }
 
-  Tooltip.prototype.validate = function () {
-    if (!this.$element[0].parentNode) {
-      this.hide()
-      this.$element = null
-      this.options  = null
-    }
-  }
-
   Tooltip.prototype.enable = function () {
     this.enabled = true
   }
@@ -429,8 +433,11 @@
   }
 
   Tooltip.prototype.destroy = function () {
+    var that = this
     clearTimeout(this.timeout)
-    this.hide().$element.off('.' + this.type).removeData('bs.' + this.type)
+    this.hide(function () {
+      that.$element.off('.' + that.type).removeData('bs.' + that.type)
+    })
   }