Deletion/ownership

mojo/services/public/cpp/view_manager/view_manager.h

 // 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.
 
 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_H_
 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_H_
 
+#include <map>
+
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/services/public/cpp/view_manager/view_tree_node.h"
 
 namespace mojo {
 class Shell;
 namespace services {
 namespace view_manager {
 
@@ skipping 14 matching lines @@
   // using any other View Manager lib class or function.
   // Blocks on establishing the connection and subsequently receiving a node
   // tree from the service.
   // TODO(beng): blocking is currently achieved by running a nested runloop,
   //             which will dispatch all messages on all pipes while blocking.
   //             we should instead wait on the client pipe receiving a
   //             connection established message.
   // TODO(beng): this method could optionally not block if supplied a callback.
   void Init();
 
-  ViewTreeNode* tree() { return tree_.get(); }
+  ViewTreeNode* tree() { return tree_; }
+
+  ViewTreeNode* GetNodeById(TransportNodeId id);
 
  private:
   friend class ViewManagerPrivate;
+  typedef std::map<TransportNodeId, ViewTreeNode*> IdToNodeMap;
 
   Shell* shell_;
   scoped_ptr<ViewManagerSynchronizer> synchronizer_;
-  scoped_ptr<ViewTreeNode> tree_;
+  ViewTreeNode* tree_;
+
+  IdToNodeMap nodes_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewManager);
 };
 
 }  // namespace view_manager
 }  // namespace services
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_H_