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Side by Side Diff: components/view_manager/view_tree_host_connection.h

Issue 1344573002: Mandoline: Rename components/view_manager to components/mus (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 5 years, 3 months ago
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1 // Copyright 2015 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_VIEW_TREE_HOST_CONNECTION_H_
6 #define COMPONENTS_VIEW_MANAGER_VIEW_TREE_HOST_CONNECTION_H_
7
8 #include "base/memory/scoped_ptr.h"
9 #include "components/view_manager/public/interfaces/view_tree_host.mojom.h"
10 #include "components/view_manager/view_tree_host_delegate.h"
11 #include "components/view_manager/view_tree_host_impl.h"
12 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
13
14 namespace view_manager {
15
16 class ConnectionManager;
17 class ViewTreeImpl;
18
19 // ViewTreeHostConnection is a server-side object that encapsulates the
20 // connection between a client of the ViewTreeHost and its implementation.
21 // ViewTreeHostConnection also establishes a ClientConnection via the same
22 // code path as embedded views. ConnectionManager manages the lifetime of
23 // ViewTreeHostConnections. If a connection to the client is lost or if the
24 // associated root is closed, the ViewTreeHostConnection will inform the
25 // ConnectionManager to destroy the root and its associated view tree.
26 class ViewTreeHostConnection : public ViewTreeHostDelegate {
27 public:
28 ViewTreeHostConnection(
29 scoped_ptr<ViewTreeHostImpl> host_impl,
30 ConnectionManager* connection_manager);
31
32 void set_view_tree(ViewTreeImpl* tree) {
33 tree_ = tree;
34 }
35
36 ViewTreeHostImpl* view_tree_host() { return host_.get();}
37 const ViewTreeHostImpl* view_tree_host() const { return host_.get(); }
38
39 ConnectionManager* connection_manager() { return connection_manager_; }
40 const ConnectionManager* connection_manager() const {
41 return connection_manager_;
42 }
43
44 void CloseConnection();
45
46 protected:
47 ~ViewTreeHostConnection() override;
48
49 // ViewTreeHostDelegate:
50 void OnDisplayInitialized() override;
51 void OnDisplayClosed() override;
52 ViewTreeImpl* GetViewTree() override;
53
54 private:
55 scoped_ptr<ViewTreeHostImpl> host_;
56 ViewTreeImpl* tree_;
57 ConnectionManager* connection_manager_;
58 bool connection_closed_;
59
60 DISALLOW_COPY_AND_ASSIGN(ViewTreeHostConnection);
61 };
62
63 // Live implementation of ViewTreeHostConnection.
64 class ViewTreeHostConnectionImpl : public ViewTreeHostConnection {
65 public:
66 ViewTreeHostConnectionImpl(
67 mojo::InterfaceRequest<mojo::ViewTreeHost> request,
68 scoped_ptr<ViewTreeHostImpl> host_impl,
69 mojo::ViewTreeClientPtr client,
70 ConnectionManager* connection_manager);
71
72 private:
73 ~ViewTreeHostConnectionImpl() override;
74
75 // ViewTreeHostDelegate:
76 void OnDisplayInitialized() override;
77
78 mojo::Binding<mojo::ViewTreeHost> binding_;
79 mojo::ViewTreeClientPtr client_;
80
81 DISALLOW_COPY_AND_ASSIGN(ViewTreeHostConnectionImpl);
82 };
83
84 } // namespace view_manager
85
86 #endif // COMPONENTS_VIEW_MANAGER_VIEW_TREE_HOST_CONNECTION_H_
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