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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_EDK_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_ | |
6 #define MOJO_EDK_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "mojo/edk/embedder/scoped_platform_handle.h" | |
10 #include "mojo/edk/system/simple_dispatcher.h" | |
11 #include "mojo/edk/system/system_impl_export.h" | |
12 | |
13 namespace mojo { | |
14 namespace system { | |
15 | |
16 // A dispatcher that simply wraps/transports a |PlatformHandle| (only for use by | |
17 // the embedder). | |
18 class MOJO_SYSTEM_IMPL_EXPORT PlatformHandleDispatcher | |
19 : public SimpleDispatcher { | |
20 public: | |
21 explicit PlatformHandleDispatcher( | |
22 embedder::ScopedPlatformHandle platform_handle); | |
23 | |
24 embedder::ScopedPlatformHandle PassPlatformHandle(); | |
25 | |
26 // |Dispatcher| public methods: | |
27 Type GetType() const override; | |
28 | |
29 // The "opposite" of |SerializeAndClose()|. (Typically this is called by | |
30 // |Dispatcher::Deserialize()|.) | |
31 static scoped_refptr<PlatformHandleDispatcher> Deserialize( | |
32 Channel* channel, | |
33 const void* source, | |
34 size_t size, | |
35 embedder::PlatformHandleVector* platform_handles); | |
36 | |
37 private: | |
38 ~PlatformHandleDispatcher() override; | |
39 | |
40 // |Dispatcher| protected methods: | |
41 void CloseImplNoLock() override; | |
42 scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() | |
43 override; | |
44 void StartSerializeImplNoLock(Channel* channel, | |
45 size_t* max_size, | |
46 size_t* max_platform_handles) override; | |
47 bool EndSerializeAndCloseImplNoLock( | |
48 Channel* channel, | |
49 void* destination, | |
50 size_t* actual_size, | |
51 embedder::PlatformHandleVector* platform_handles) override; | |
52 | |
53 embedder::ScopedPlatformHandle platform_handle_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(PlatformHandleDispatcher); | |
56 }; | |
57 | |
58 } // namespace system | |
59 } // namespace mojo | |
60 | |
61 #endif // MOJO_EDK_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_ | |
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