Child window/popover fixes

- Added CPWindow -_parentWindowDidOrderInChild to notify a window when it is directly ordered in by a parent.
- Fixed observing of target view frame changes to work in all possible cases.
- Fixed typo in code introduced in last commit in CPApplication -sendEvent.

AppKit/CPApplication.j

@@ -624,7 +624,7 @@ CPRunContinuesResponse  = -1002;
             var listener = _eventListeners.pop();
             listener._callback(anEvent);
 
-            if (listener._shouldDequeue)
+            if (listener._dequeue)
                 return;
         }
     }

AppKit/CPWindow/_CPWindow.j

@@ -800,6 +800,14 @@ CPTexturedBackgroundWindowMask
         [self makeMainWindow];
 }
 
+/*
+    Called when a parent window orders in a child window directly.
+    without going through the ordering methods in CPWindow.
+*/
+- (void)_parentDidOrderInChild
+{
+}
+
 /*
     Makes the receiver the last window in the screen ordering.
     @param aSender the object that requested this

AppKit/Platform/DOM/CPPlatformWindow+DOM.j

@@ -1489,10 +1489,11 @@ var resizeTimer = nil;
 
     for (var i = 0; i < count; ++i)
     {
-        var child = children[i];
+        var child = children[i],
+            childWasVisible = [child isVisible];
 
         // If a child is not visible and has not yet been ordered in, skip it
-        if (![child isVisible] && ![child _hasBeenOrderedIn])
+        if (!childWasVisible && ![child _hasBeenOrderedIn])
             continue;
 
         var ordering = [child _childOrdering];
@@ -1505,13 +1506,14 @@ var resizeTimer = nil;
 
         [aLayer insertWindow:child atIndex:index];
 
+        if (!childWasVisible)
+            [child _parentDidOrderInChild];
+
         if ([[child childWindows] count])
             [self _orderChildWindowsOf:child furthestParent:furthestParent layer:aLayer];
 
         parent = child;
     }
-
-    return index;
 }
 
 - (void)_removeLayers

AppKit/_CPPopoverWindow.j

@@ -329,8 +329,6 @@ var _CPPopoverWindow_shouldClose_    = 1 << 0,
         _targetView = positioningView;
     }
 
-    [_targetView addObserver:self forKeyPath:@"frame" options:0 context:nil];
-
     /*
         If _targetView's window is not a full platform window,
         add us as a child, because when we close we are detached from
@@ -486,6 +484,19 @@ var _CPPopoverWindow_shouldClose_    = 1 << 0,
     _isClosing = NO;
 }
 
+- (void)_orderFront
+{
+    if (![self isVisible])
+        [_targetView addObserver:self forKeyPath:@"frame" options:0 context:nil];
+
+    [super _orderFront];
+}
+
+- (void)_parentDidOrderInChild
+{
+    [_targetView addObserver:self forKeyPath:@"frame" options:0 context:nil];
+}
+
 /*!
     @ignore
     Animate window closing.