From 88f3c74d0ac07acc06d628331ac12eb4bf05503d Mon Sep 17 00:00:00 2001
From: Kait Todesk <kaittodesk@gmail.com>
Date: Thu, 2 Oct 2014 19:58:51 +0300
Subject: [PATCH 1/5] Iframe element's scrollTop and scrollLeft

---
 src/bonzo.js         | 21 +++++++++++++++------
 tests/layout-test.js | 29 +++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 6 deletions(-)

diff --git a/src/bonzo.js b/src/bonzo.js
index 914e717..a0f621d 100644
--- a/src/bonzo.js
+++ b/src/bonzo.js
@@ -293,10 +293,11 @@
     var el = this[0]
     if (!el) return this
     if (x == null && y == null) {
-      return (isBody(el) ? getWindowScroll() : { x: el.scrollLeft, y: el.scrollTop })[type]
+      return (isBody(el) ? getWindowScroll(el) : { x: el.scrollLeft, y: el.scrollTop })[type]
     }
     if (isBody(el)) {
-      win.scrollTo(x, y)
+      var elWin = getElementWindow(el)
+      elWin.scrollTo(x, y)
     } else {
       x != null && (el.scrollLeft = x)
       y != null && (el.scrollTop = y)
@@ -785,7 +786,7 @@
         var el = this[0]
           , de = el.ownerDocument.documentElement
           , bcr = el.getBoundingClientRect()
-          , scroll = getWindowScroll()
+          , scroll = getWindowScroll(el)
           , width = el.offsetWidth
           , height = el.offsetHeight
           , top = bcr.top + scroll.y - Math.max(0, de && de.clientTop, doc.body.clientTop)
@@ -989,11 +990,19 @@
   }
 
   function isBody(element) {
-    return element === win || (/^(?:body|html)$/i).test(element.tagName)
+    return element === win || (/^(?:body|html|iframe)$/i).test(element.tagName)
   }
 
-  function getWindowScroll() {
-    return { x: win.pageXOffset || html.scrollLeft, y: win.pageYOffset || html.scrollTop }
+  function getWindowScroll(el) {
+    var elWin = getElementWindow(el)
+      , elHtml = elWin.document.documentElement || html
+    return { x: elWin.pageXOffset || elHtml.scrollLeft, y: elWin.pageYOffset || elHtml.scrollTop }
+  }
+
+  function getElementWindow(el) {
+    if (el.contentWindow) return el.contentWindow
+    if (elDoc = el.ownerDocument) return elDoc.defaultView || elDoc.parentWindow
+    return win
   }
 
   function createScriptFromHtml(html) {
diff --git a/tests/layout-test.js b/tests/layout-test.js
index 2d4a48f..ff06510 100644
--- a/tests/layout-test.js
+++ b/tests/layout-test.js
@@ -105,6 +105,35 @@ sink('Layout', function (test, ok) {
     ok($('#overflowed').scrollLeft() == 150, 'condition2')
   })
 
+  test('iframe scrollTop && scrollLeft', 4, function() {
+    // indeed, there has to be a better way to test this
+    var $iframe = $(dom.create('<iframe/>')).attr({
+            src: 'about:blank'
+        }).css({
+            width: '200px'
+          , height: '200px'
+        })
+      , $body;
+    $iframe[0].onload = function() {
+      $body = $(this.contentWindow.document.body);
+      $body.append($(dom.create('<div>')).css({
+          width: '400px'
+        , height: '300px'
+      }))
+
+      $iframe.scrollTop(5)
+      ok($iframe.scrollTop() == 5, 'should set iframe window scroll top')
+      $iframe.scrollLeft(25)
+      ok($iframe.scrollLeft() == 25, 'should set iframe window scroll left')
+
+      $body.scrollTop(1)
+      ok($body.scrollTop() == 1, 'should set iframe document body scroll top')
+      $body.scrollLeft(50)
+      ok($body.scrollLeft() == 50, 'should set iframe document body scroll left')
+    }
+    $iframe.appendTo(document.body)
+  })
+
   test('width & height can be accessed on window and document', 2, function () {
     ok($(window).css('width') == $(document).css('width'), 'win and doc have same width')
     ok($(window).css('height') < $(document).css('height'), 'document height is much larger than win height')

From 514e76d3a3045e61c171195ad320b6cc25b27d12 Mon Sep 17 00:00:00 2001
From: Kait Todesk <kaittodesk@gmail.com>
Date: Fri, 3 Oct 2014 14:42:46 +0300
Subject: [PATCH 2/5] Missing build for iframe element's scrollTop and
 scrollLeft

---
 bonzo.js     | 21 +++++++++++++++------
 bonzo.min.js |  2 +-
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/bonzo.js b/bonzo.js
index 7642e91..238ac8a 100644
--- a/bonzo.js
+++ b/bonzo.js
@@ -298,10 +298,11 @@
     var el = this[0]
     if (!el) return this
     if (x == null && y == null) {
-      return (isBody(el) ? getWindowScroll() : { x: el.scrollLeft, y: el.scrollTop })[type]
+      return (isBody(el) ? getWindowScroll(el) : { x: el.scrollLeft, y: el.scrollTop })[type]
     }
     if (isBody(el)) {
-      win.scrollTo(x, y)
+      var elWin = getElementWindow(el)
+      elWin.scrollTo(x, y)
     } else {
       x != null && (el.scrollLeft = x)
       y != null && (el.scrollTop = y)
@@ -790,7 +791,7 @@
         var el = this[0]
           , de = el.ownerDocument.documentElement
           , bcr = el.getBoundingClientRect()
-          , scroll = getWindowScroll()
+          , scroll = getWindowScroll(el)
           , width = el.offsetWidth
           , height = el.offsetHeight
           , top = bcr.top + scroll.y - Math.max(0, de && de.clientTop, doc.body.clientTop)
@@ -994,11 +995,19 @@
   }
 
   function isBody(element) {
-    return element === win || (/^(?:body|html)$/i).test(element.tagName)
+    return element === win || (/^(?:body|html|iframe)$/i).test(element.tagName)
   }
 
-  function getWindowScroll() {
-    return { x: win.pageXOffset || html.scrollLeft, y: win.pageYOffset || html.scrollTop }
+  function getWindowScroll(el) {
+    var elWin = getElementWindow(el)
+      , elHtml = elWin.document.documentElement || html
+    return { x: elWin.pageXOffset || elHtml.scrollLeft, y: elWin.pageYOffset || elHtml.scrollTop }
+  }
+
+  function getElementWindow(el) {
+    if (el.contentWindow) return el.contentWindow
+    if (elDoc = el.ownerDocument) return elDoc.defaultView || elDoc.parentWindow
+    return win
   }
 
   function createScriptFromHtml(html) {
diff --git a/bonzo.min.js b/bonzo.min.js
index 7ebe25d..c2d92f6 100644
--- a/bonzo.min.js
+++ b/bonzo.min.js
@@ -3,4 +3,4 @@
   * https://github.com/ded/bonzo
   * License MIT
   */
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\ No newline at end of file

From 1de7940daba71c4bd313e92bf7f4fad5e809d2a9 Mon Sep 17 00:00:00 2001
From: Kait Todesk <kaittodesk@gmail.com>
Date: Fri, 3 Oct 2014 16:56:17 +0300
Subject: [PATCH 3/5] Using body scroll value other than 1.

Value "1" can give a false-positive, as it equals with the value
used in top level window scroll test.
---
 tests/layout-test.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/layout-test.js b/tests/layout-test.js
index ff06510..6bb105e 100644
--- a/tests/layout-test.js
+++ b/tests/layout-test.js
@@ -126,8 +126,8 @@ sink('Layout', function (test, ok) {
       $iframe.scrollLeft(25)
       ok($iframe.scrollLeft() == 25, 'should set iframe window scroll left')
 
-      $body.scrollTop(1)
-      ok($body.scrollTop() == 1, 'should set iframe document body scroll top')
+      $body.scrollTop(10)
+      ok($body.scrollTop() == 10, 'should set iframe document body scroll top')
       $body.scrollLeft(50)
       ok($body.scrollLeft() == 50, 'should set iframe document body scroll left')
     }

From 0d54cdab524daaf64f18befd56b79437c8f9605a Mon Sep 17 00:00:00 2001
From: Kait Todesk <kaittodesk@gmail.com>
Date: Fri, 3 Oct 2014 16:58:06 +0300
Subject: [PATCH 4/5] elDoc variable was bound to window, that's not nice

---
 src/bonzo.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bonzo.js b/src/bonzo.js
index a0f621d..e832117 100644
--- a/src/bonzo.js
+++ b/src/bonzo.js
@@ -1001,7 +1001,7 @@
 
   function getElementWindow(el) {
     if (el.contentWindow) return el.contentWindow
-    if (elDoc = el.ownerDocument) return elDoc.defaultView || elDoc.parentWindow
+    if (el.ownerDocument) return el.ownerDocument.defaultView || el.ownerDocument.parentWindow
     return win
   }
 

From 214e3dc47f25b57fd3955ae6b1b45d3bbb4c2dd8 Mon Sep 17 00:00:00 2001
From: Kait Todesk <kaittodesk@gmail.com>
Date: Fri, 3 Oct 2014 17:00:35 +0300
Subject: [PATCH 5/5] Build of the latest revision

---
 bonzo.js     | 2 +-
 bonzo.min.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bonzo.js b/bonzo.js
index 238ac8a..214bd67 100644
--- a/bonzo.js
+++ b/bonzo.js
@@ -1006,7 +1006,7 @@
 
   function getElementWindow(el) {
     if (el.contentWindow) return el.contentWindow
-    if (elDoc = el.ownerDocument) return elDoc.defaultView || elDoc.parentWindow
+    if (el.ownerDocument) return el.ownerDocument.defaultView || el.ownerDocument.parentWindow
     return win
   }
 
diff --git a/bonzo.min.js b/bonzo.min.js
index c2d92f6..a7f0dc9 100644
--- a/bonzo.min.js
+++ b/bonzo.min.js
@@ -3,4 +3,4 @@
   * https://github.com/ded/bonzo
   * License MIT
   */
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