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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 <string> | |
9 | |
10 #include "mojo/public/interfaces/application/service_provider.mojom.h" | |
11 | |
12 namespace mojo { | |
13 | |
14 class View; | |
15 class ViewManager; | |
16 | |
17 // Interface implemented by an application using the view manager. | |
18 class ViewManagerDelegate { | |
19 public: | |
20 // Called when the application implementing this interface is embedded at | |
21 // |root|. Every embed results in a new ViewManager and root View being | |
22 // created. |root| and it's corresponding ViewManager are valid until | |
23 // OnViewManagerDisconnected() is called with the same object. | |
24 // | |
25 // |services| exposes the services offered by the embedder to the delegate. | |
26 // | |
27 // |exposed_services| is an object that the delegate can add services to | |
28 // expose to the embedder. | |
29 // | |
30 // Note that if a different application is subsequently embedded at |root|, | |
31 // the pipes connecting |services| and |exposed_services| to the embedder and | |
32 // any services obtained from them are not broken and will continue to be | |
33 // valid. | |
34 virtual void OnEmbed(View* root, | |
35 InterfaceRequest<ServiceProvider> services, | |
36 ServiceProviderPtr exposed_services) = 0; | |
37 | |
38 // Called when a connection to the view manager service is closed. | |
39 // |view_manager| is not valid after this function returns. | |
40 virtual void OnViewManagerDisconnected(ViewManager* view_manager) = 0; | |
41 | |
42 // Asks the delegate to perform the specified action. | |
43 // TODO(sky): nuke! See comments in view_manager.mojom for details. | |
44 virtual bool OnPerformAction(View* view, const std::string& action); | |
45 | |
46 protected: | |
47 virtual ~ViewManagerDelegate() {} | |
48 }; | |
49 | |
50 } // namespace mojo | |
51 | |
52 #endif // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_DELEGATE_H_ | |
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