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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 #include "mojo/shell/content_handler_connection.h" | |
6 | |
7 #include <stdint.h> | |
8 | |
9 #include <utility> | |
10 | |
11 #include "base/bind.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "mojo/shell/application_manager.h" | |
14 #include "mojo/shell/connect_to_application_params.h" | |
15 #include "mojo/shell/identity.h" | |
16 | |
17 namespace mojo { | |
18 namespace shell { | |
19 | |
20 ContentHandlerConnection::ContentHandlerConnection( | |
21 ApplicationManager* manager, | |
22 const Identity& source, | |
23 const Identity& content_handler, | |
24 uint32_t id, | |
25 const ClosedCallback& connection_closed_callback) | |
26 : connection_closed_callback_(connection_closed_callback), | |
27 identity_(content_handler), | |
28 connection_closed_(false), | |
29 id_(id), | |
30 ref_count_(0) { | |
31 shell::mojom::InterfaceProviderPtr remote_interfaces; | |
32 | |
33 scoped_ptr<ConnectToApplicationParams> params(new ConnectToApplicationParams); | |
34 params->set_source(source); | |
35 params->SetTarget(identity_); | |
36 params->set_remote_interfaces(GetProxy(&remote_interfaces)); | |
37 manager->ConnectToApplication(std::move(params)); | |
38 | |
39 MessagePipe pipe; | |
40 content_handler_.Bind( | |
41 InterfacePtrInfo<mojom::ContentHandler>(std::move(pipe.handle0), 0u)); | |
42 remote_interfaces->GetInterface(mojom::ContentHandler::Name_, | |
43 std::move(pipe.handle1)); | |
44 content_handler_.set_connection_error_handler( | |
45 [this]() { CloseConnection(); }); | |
46 } | |
47 | |
48 void ContentHandlerConnection::StartApplication( | |
49 InterfaceRequest<mojom::ShellClient> request, | |
50 URLResponsePtr response) { | |
51 content_handler_->StartApplication( | |
52 std::move(request), std::move(response), | |
53 base::Bind(&ContentHandlerConnection::ApplicationDestructed, | |
54 base::Unretained(this))); | |
55 ref_count_++; | |
56 } | |
57 | |
58 void ContentHandlerConnection::CloseConnection() { | |
59 if (connection_closed_) | |
60 return; | |
61 connection_closed_ = true; | |
62 connection_closed_callback_.Run(this); | |
63 delete this; | |
64 } | |
65 | |
66 ContentHandlerConnection::~ContentHandlerConnection() { | |
67 // If this DCHECK fails then something has tried to delete this object without | |
68 // calling CloseConnection. | |
69 DCHECK(connection_closed_); | |
70 } | |
71 | |
72 void ContentHandlerConnection::ApplicationDestructed() { | |
73 if (!--ref_count_) | |
74 CloseConnection(); | |
75 } | |
76 | |
77 } // namespace shell | |
78 } // namespace mojo | |
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