Mandoline: Rename components/view_manager to components/mus

components/view_manager/public/cpp/view_tree_delegate.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 COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_DELEGATE_H_
-#define COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_DELEGATE_H_
-
-#include <string>
-
-#include "components/view_manager/public/interfaces/view_tree.mojom.h"
-#include "mojo/application/public/interfaces/service_provider.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-
-namespace mojo {
-
-class View;
-class ViewTreeConnection;
-
-// Interface implemented by an application using the view manager.
-//
-// Each call to OnEmbed() results in a new ViewTreeConnection and new root View.
-// ViewTreeConnection is deleted by any of the following:
-// . If the root of the connection is destroyed. This happens if the owner
-//   of the root Embed()s another app in root, or the owner explicitly deletes
-//   root.
-// . The connection to the view manager is lost.
-// . Explicitly by way of calling delete.
-//
-// When the ViewTreeConnection is deleted all views are deleted (and observers
-// notified). This is followed by notifying the delegate by way of
-// OnConnectionLost().
-class ViewTreeDelegate {
- public:
-  // Called when the application implementing this interface is embedded at
-  // |root|.
-  //
-  // |services| exposes the services offered by the embedder to the delegate.
-  //
-  // |exposed_services| is an object that the delegate can add services to
-  // expose to the embedder.
-  //
-  // Note that if a different application is subsequently embedded at |root|,
-  // the pipes connecting |services| and |exposed_services| to the embedder and
-  // any services obtained from them are not broken and will continue to be
-  // valid.
-  virtual void OnEmbed(View* root) = 0;
-
-  // Sent when another app is embedded in the same View as this connection.
-  // Subsequently the root View and this object are destroyed (observers are
-  // notified appropriately).
-  virtual void OnUnembed();
-
-  // Called from the destructor of ViewTreeConnection after all the Views have
-  // been destroyed. |connection| is no longer valid after this call.
-  virtual void OnConnectionLost(ViewTreeConnection* connection) = 0;
-
- protected:
-  virtual ~ViewTreeDelegate() {}
-};
-
-}  // namespace mojo
-
-#endif  // COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_DELEGATE_H_