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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_DELEGATE_H_ | |
| 6 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_DELEGATE_H_ | |
| 7 | |
| 8 #include "mojo/public/interfaces/application/service_provider.mojom.h" | |
| 9 | |
| 10 namespace mojo { | |
| 11 | |
| 12 class View; | |
| 13 class ViewManager; | |
| 14 | |
| 15 // Interface implemented by an application using the view manager. | |
| 16 class ViewManagerDelegate { | |
| 17 public: | |
| 18 // Called when the application implementing this interface is embedded at | |
| 19 // |root|. Every embed results in a new ViewManager and root View being | |
| 20 // created. |root| and it's corresponding ViewManager are valid until | |
| 21 // OnViewManagerDisconnected() is called with the same object. | |
| 22 // | |
| 23 // |services| exposes the services offered by the embedder to the delegate. | |
| 24 // | |
| 25 // |exposed_services| is an object that the delegate can add services to | |
| 26 // expose to the embedder. | |
| 27 // | |
| 28 // Note that if a different application is subsequently embedded at |root|, | |
| 29 // the pipes connecting |services| and |exposed_services| to the embedder and | |
| 30 // any services obtained from them are not broken and will continue to be | |
| 31 // valid. | |
| 32 virtual void OnEmbed(View* root, | |
| 33 InterfaceRequest<ServiceProvider> services, | |
| 34 ServiceProviderPtr exposed_services) = 0; | |
| 35 | |
| 36 // Called when a connection to the view manager service is closed. | |
| 37 // |view_manager| is not valid after this function returns. | |
| 38 virtual void OnViewManagerDisconnected(ViewManager* view_manager) = 0; | |
| 39 | |
| 40 protected: | |
| 41 virtual ~ViewManagerDelegate() {} | |
| 42 }; | |
| 43 | |
| 44 } // namespace mojo | |
| 45 | |
| 46 #endif // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_DELEGATE_H_ | |
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