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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 COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_CONNECTION_H_ | |
6 #define COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_CONNECTION_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "components/view_manager/public/cpp/types.h" | |
11 #include "components/view_manager/public/interfaces/view_tree.mojom.h" | |
12 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h" | |
13 | |
14 namespace mojo { | |
15 class View; | |
16 class ViewTreeDelegate; | |
17 | |
18 // Encapsulates a connection to a view tree. A unique connection is made | |
19 // every time an app is embedded. | |
20 class ViewTreeConnection { | |
21 public: | |
22 virtual ~ViewTreeConnection() {} | |
23 | |
24 // The returned ViewTreeConnection instance owns itself, and is deleted when | |
25 // the last root is destroyed or the connection to the service is broken. | |
26 static ViewTreeConnection* Create( | |
27 ViewTreeDelegate* delegate, | |
28 InterfaceRequest<ViewTreeClient> request); | |
29 | |
30 // Returns the root of this connection. | |
31 virtual View* GetRoot() = 0; | |
32 | |
33 // Returns a View known to this connection. | |
34 virtual View* GetViewById(Id id) = 0; | |
35 | |
36 // Returns the focused view; null if focus is not yet known or another app is | |
37 // focused. | |
38 virtual View* GetFocusedView() = 0; | |
39 | |
40 // Creates and returns a new View (which is owned by the ViewManager). Views | |
41 // are initially hidden, use SetVisible(true) to show. | |
42 virtual View* CreateView() = 0; | |
43 | |
44 // Returns true if ACCESS_POLICY_EMBED_ROOT was specified. | |
45 virtual bool IsEmbedRoot() = 0; | |
46 | |
47 // Returns the id for this connection. | |
48 virtual ConnectionSpecificId GetConnectionId() = 0; | |
49 }; | |
50 | |
51 } // namespace mojo | |
52 | |
53 #endif // COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_TREE_CONNECTION_H_ | |
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