SetBounds for ViewTreeNode.

mojo/services/public/interfaces/view_manager/view_manager.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import "../../../../public/interfaces/geometry/geometry.mojom"
+
 module mojo.view_manager {
 
 struct INode {
   uint32 parent_id;
   uint32 node_id;
   uint32 view_id;
 };
 
 // Functions that mutate the hierarchy take a change id. This is an ever
 // increasing integer used to identify the change. Every hierarchy change
@@ skipping 11 matching lines @@
   // the id is unique to the connection (the id need not be globally unique).
   // Additionally the connection id (embedded in |node_id|) must match that of
   // the connection.
   CreateNode(uint32 node_id) => (bool success);
 
   // Deletes a node. This does not recurse. No hierarchy change notifications
   // are sent as a result of this. Only the connection that created the node can
   // delete it.
   DeleteNode(uint32 node_id) => (bool success);
 
+  // Sets the specified bounds of the specified node.
+  SetNodeBounds(uint32 node_id, mojo.Rect bounds) => (bool success);

[sky, 2014/05/21 21:16:35]

Do you need the mojo here? Can this be Rect since it's already in the mojo
namespace? (same comments below).

+
   // Reparents a node. See description above class for details of |change_id|.
   // This fails for any of the following reasons:
   // . |server_change_id| is not the expected id.
   // . |parent| or |child| does not identify a valid node.
   // . |child| is an ancestor of |parent|.
   // . |child| is already a child of |parent|.
   //
   // This may result in a connection getting OnNodeDeleted(). See
   // RemoveNodeFromParent for details.
   AddNode(uint32 parent,
@@ skipping 55 matching lines @@
                           INode[] nodes);
 
   // This is sent to clients when a change is made to the server that results
   // in the |server_change_id| changing but the client isn't notified. This is
   // not sent if the client receives a callback giving a new
   // |server_change_id|. For example, if a client 1 changes the hierarchy in
   // some way but client 2 isn't notified of the change, then client 2 gets
   // OnServerChangeIdAdvanced().
   OnServerChangeIdAdvanced(uint32 next_server_change_id);
 
+  // Invoked when a node's bounds have changed.
+  OnNodeBoundsChanged(uint32 node, mojo.Rect old_bounds, mojo.Rect new_bounds);
+
   // Invoked when a change is done to the hierarchy. A value of 0 is used to
   // identify a null node. For example, if the old_parent is NULL, 0 is
   // supplied. See description above ViewManager for details on the change ids.
   // |nodes| contains any nodes that are that the client has not been told
   // about. This is not sent for hierarchy changes of nodes not known to this
   // client or not attached to the tree.
   OnNodeHierarchyChanged(uint32 node,
                          uint32 new_parent,
                          uint32 old_parent,
                          uint32 server_change_id,
                          INode[] nodes);
 
   // Invoked when a node is deleted.
   OnNodeDeleted(uint32 node, uint32 server_change_id);
 
   // Invoked when the view associated with a node is replaced by another view.
   // 0 is used to identify a null view.
   OnNodeViewReplaced(uint32 node, uint32 new_view_id, uint32 old_view_id);
 
   // Invoked when a view is deleted.
   OnViewDeleted(uint32 view);
 };
 
 }