Send resize message to children.

GtkPreserveWindow now resizes it's children when the resize is delegated (i.e. defered to synchronize with the GPU process).

BUG=84743
TEST=Go to http://www.hulu.com/watch/205356/family-guy-new-kidney-in-town#s-p1-so-i0 with --force-compositing-mode. Video should play.

Review URL: http://codereview.chromium.org/7112033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@88007 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 29 insertions, 8 deletions

diff --git a/ui/gfx/gtk_preserve_window.cc b/ui/gfx/gtk_preserve_window.cc
index 8348c90..d67bc92 100644
--- a/ui/gfx/gtk_preserve_window.cc
+++ b/ui/gfx/gtk_preserve_window.cc
@@ -189,17 +189,38 @@ void gtk_preserve_window_set_preserve(GtkPreserveWindow* window,
 void gtk_preserve_window_size_allocate(GtkWidget* widget,
                                        GtkAllocation* allocation) {
   g_return_if_fail(GTK_IS_PRESERVE_WINDOW(widget));
-  GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget);
 
-  if (priv->delegate_resize) {
-    widget->allocation = *allocation;
-    // Only update the position. Someone else will call gdk_window_resize.
-    if (GTK_WIDGET_REALIZED(widget)) {
+  widget->allocation = *allocation;
+
+  if (GTK_WIDGET_REALIZED(widget)) {
+    GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget);
+    if (priv->delegate_resize) {
       gdk_window_move(widget->window, allocation->x, allocation->y);
+    } else {
+      gdk_window_move_resize(
+          widget->window, allocation->x, allocation->y,
+          allocation->width, allocation->height);
     }
-  } else {
-    GTK_WIDGET_CLASS(gtk_preserve_window_parent_class)->size_allocate(
-        widget, allocation);
+  }
+
+  // Propagate resize to children
+  guint16 border_width = GTK_CONTAINER(widget)->border_width;
+  GList *children = GTK_FIXED(widget)->children;
+  while (children) {
+    GtkFixedChild *child = reinterpret_cast<GtkFixedChild*>(children->data);
+    if (gtk_widget_get_visible(child->widget)) {
+      GtkRequisition child_requisition;
+      gtk_widget_get_child_requisition(child->widget, &child_requisition);
+
+      GtkAllocation child_allocation;
+      child_allocation.x = child->x + border_width;
+      child_allocation.y = child->y + border_width;
+      child_allocation.width = child_requisition.width;
+      child_allocation.height = child_requisition.height;
+
+      gtk_widget_size_allocate(child->widget, &child_allocation);
+    }
+    children = children->next;
   }
 }