#1485444: fix drag layer over an iframe

alecpl

2008-12-14 cf6bc5d5fac6d7fe0db54ead2cc10436f8aeaa9a

 program/js/list.js

@@ -241,6 +241,36 @@
    this.drag_mouse_start = rcube_event.get_mouse_pos(e);
    rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
    rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});

    // add listener for iframes
    var iframes = document.getElementsByTagName('IFRAME');
    this.iframe_events = Object();
    for (var n in iframes)
    {
      var iframedoc = null;
      if (iframes[n].contentDocument)
        iframedoc = iframes[n].contentDocument;
      else if (iframes[n].contentWindow)
   iframedoc = iframes[n].contentWindow.document;
      else if (iframes[n].document)
        iframedoc = iframes[n].document;

      if (iframedoc)
      {
   var list = this;
   var pos = rcube_get_object_pos(document.getElementById(iframes[n].id));
   this.iframe_events[n] = function(e) { e._offset = pos; return list.drag_mouse_move(e); }
	
   if (iframedoc.addEventListener)
     iframedoc.addEventListener('mousemove', this.iframe_events[n], false);
   else if (iframes[n].attachEvent)
     iframedoc.attachEvent('onmousemove', this.iframe_events[n]);
   else
     iframedoc['onmousemove'] = this.iframe_events[n];

        rcube_event.add_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
      }
    }								  
  }

  return false;
@@ -689,6 +719,7 @@
  {
    // check mouse movement, of less than 3 pixels, don't start dragging
    var m = rcube_event.get_mouse_pos(e);

    if (!this.drag_mouse_start || (Math.abs(m.x - this.drag_mouse_start.x) < 3 && Math.abs(m.y - this.drag_mouse_start.y) < 3))
      return false;
  
@@ -764,6 +795,30 @@
  rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'});
  rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'});

  var iframes = document.getElementsByTagName('IFRAME');
  for (var n in iframes) {
    var iframedoc;
    
    if (iframes[n].contentDocument)
      iframedoc = iframes[n].contentDocument;
    else if (iframes[n].contentWindow)
      iframedoc = iframes[n].contentWindow.document;
    else if (iframes[n].document)
      iframedoc = iframes[n].document;

    if (iframedoc) {
      if (this.iframe_events[n]) {
   if (iframedoc.removeEventListener)
     iframedoc.removeEventListener('mousemove', this.iframe_events[n], false);
   else if (iframedoc.detachEvent)
     iframedoc.detachEvent('onmousemove', this.iframe_events[n]);
   else
     iframedoc['onmousemove'] = null;
   }
      rcube_event.remove_listener({element:iframedoc, event:'mouseup', object:this, method:'drag_mouse_up'});
      }
    }

  this.focus();
  
  return rcube_event.cancel(e);