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1 // Copyright 2016 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 "services/shell/public/cpp/interface_provider.h" | |
6 | |
7 #include "base/macros.h" | |
8 #include "mojo/public/cpp/bindings/strong_binding.h" | |
9 | |
10 namespace shell { | |
11 | |
12 InterfaceProvider::InterfaceProvider() : weak_factory_(this) { | |
13 pending_request_ = GetProxy(&interface_provider_); | |
14 } | |
15 | |
16 InterfaceProvider::~InterfaceProvider() {} | |
17 | |
18 void InterfaceProvider::Bind(mojom::InterfaceProviderPtr interface_provider) { | |
19 DCHECK(pending_request_.is_pending()); | |
20 DCHECK(forward_callback_.is_null()); | |
21 mojo::FuseInterface(std::move(pending_request_), | |
22 interface_provider.PassInterface()); | |
23 } | |
24 | |
25 void InterfaceProvider::Forward(const ForwardCallback& callback) { | |
26 DCHECK(pending_request_.is_pending()); | |
27 DCHECK(forward_callback_.is_null()); | |
28 interface_provider_.reset(); | |
29 pending_request_.PassMessagePipe().reset(); | |
30 forward_callback_ = callback; | |
31 } | |
32 | |
33 void InterfaceProvider::SetConnectionLostClosure( | |
34 const base::Closure& connection_lost_closure) { | |
35 interface_provider_.set_connection_error_handler(connection_lost_closure); | |
36 } | |
37 | |
38 base::WeakPtr<InterfaceProvider> InterfaceProvider::GetWeakPtr() { | |
39 return weak_factory_.GetWeakPtr(); | |
40 } | |
41 | |
42 void InterfaceProvider::GetInterface( | |
43 const std::string& name, | |
44 mojo::ScopedMessagePipeHandle request_handle) { | |
45 // Local binders can be registered via TestApi. | |
46 auto it = binders_.find(name); | |
47 if (it != binders_.end()) { | |
48 it->second.Run(std::move(request_handle)); | |
49 return; | |
50 } | |
51 | |
52 if (!forward_callback_.is_null()) { | |
53 DCHECK(!interface_provider_.is_bound()); | |
54 forward_callback_.Run(name, std::move(request_handle)); | |
55 } else { | |
56 DCHECK(interface_provider_.is_bound()); | |
57 interface_provider_->GetInterface(name, std::move(request_handle)); | |
58 } | |
59 } | |
60 | |
61 void InterfaceProvider::ClearBinders() { | |
62 binders_.clear(); | |
63 } | |
64 | |
65 } // namespace shell | |
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