Move mus to //services/ui

components/mus/public/cpp/window_tree_client_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_MUS_PUBLIC_CPP_WINDOW_TREE_CLIENT_DELEGATE_H_
-#define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CLIENT_DELEGATE_H_
-
-#include <string>
-
-#include "components/mus/public/interfaces/window_tree.mojom.h"
-#include "services/shell/public/interfaces/interface_provider.mojom.h"
-
-namespace ui {
-class Event;
-}
-
-namespace mus {
-
-class Window;
-class WindowTreeClient;
-
-// Interface implemented by an application using mus.
-class WindowTreeClientDelegate {
- public:
-  // Called when the application implementing this interface is embedded at
-  // |root|.
-  // NOTE: this is only invoked if the WindowTreeClient is created with an
-  // InterfaceRequest.
-  virtual void OnEmbed(Window* root) = 0;
-
-  // Sent when another app is embedded in |root| (one of the roots of the
-  // connection). Afer this call |root| is deleted. If |root| is the only root
-  // and the connection is configured to delete when there are no roots (the
-  // default), then after |root| is destroyed the connection is destroyed as
-  // well.
-  virtual void OnUnembed(Window* root);
-
-  // Called from the destructor of WindowTreeClient after all the Windows have
-  // been destroyed. |client| is no longer valid after this call.
-  virtual void OnDidDestroyClient(WindowTreeClient* client) = 0;
-
-  // Called when the WindowTreeClient receives an input event observed via
-  // SetEventObserver(). |target| may be null for events that were sent to
-  // windows owned by other processes.
-  virtual void OnEventObserved(const ui::Event& event, Window* target) = 0;
-
- protected:
-  virtual ~WindowTreeClientDelegate() {}
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CLIENT_DELEGATE_H_