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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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