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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ |
6 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 #include <utility> |
9 | 10 |
10 #include "base/macros.h" | 11 #include "base/macros.h" |
11 #include "mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.h" | 12 #include "mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.h" |
12 | 13 |
13 namespace mojo { | 14 namespace mojo { |
14 | 15 |
15 namespace internal { | 16 namespace internal { |
16 class AssociatedInterfacePtrInfoHelper; | 17 class AssociatedInterfacePtrInfoHelper; |
17 } | 18 } |
18 | 19 |
19 // AssociatedInterfacePtrInfo stores necessary information to construct an | 20 // AssociatedInterfacePtrInfo stores necessary information to construct an |
20 // associated interface pointer. It is similar to InterfacePtrInfo except that | 21 // associated interface pointer. It is similar to InterfacePtrInfo except that |
21 // it doesn't own a message pipe handle. | 22 // it doesn't own a message pipe handle. |
22 template <typename Interface> | 23 template <typename Interface> |
23 class AssociatedInterfacePtrInfo { | 24 class AssociatedInterfacePtrInfo { |
24 DISALLOW_COPY_AND_ASSIGN_WITH_MOVE_FOR_BIND(AssociatedInterfacePtrInfo); | 25 DISALLOW_COPY_AND_ASSIGN_WITH_MOVE_FOR_BIND(AssociatedInterfacePtrInfo); |
25 | 26 |
26 public: | 27 public: |
27 AssociatedInterfacePtrInfo() : version_(0u) {} | 28 AssociatedInterfacePtrInfo() : version_(0u) {} |
28 | 29 |
29 AssociatedInterfacePtrInfo(AssociatedInterfacePtrInfo&& other) | 30 AssociatedInterfacePtrInfo(AssociatedInterfacePtrInfo&& other) |
30 : handle_(other.handle_.Pass()), version_(other.version_) { | 31 : handle_(std::move(other.handle_)), version_(other.version_) { |
31 other.version_ = 0u; | 32 other.version_ = 0u; |
32 } | 33 } |
33 | 34 |
34 ~AssociatedInterfacePtrInfo() {} | 35 ~AssociatedInterfacePtrInfo() {} |
35 | 36 |
36 AssociatedInterfacePtrInfo& operator=(AssociatedInterfacePtrInfo&& other) { | 37 AssociatedInterfacePtrInfo& operator=(AssociatedInterfacePtrInfo&& other) { |
37 if (this != &other) { | 38 if (this != &other) { |
38 handle_ = other.handle_.Pass(); | 39 handle_ = std::move(other.handle_); |
39 version_ = other.version_; | 40 version_ = other.version_; |
40 other.version_ = 0u; | 41 other.version_ = 0u; |
41 } | 42 } |
42 | 43 |
43 return *this; | 44 return *this; |
44 } | 45 } |
45 | 46 |
46 bool is_valid() const { return handle_.is_valid(); } | 47 bool is_valid() const { return handle_.is_valid(); } |
47 | 48 |
48 uint32_t version() const { return version_; } | 49 uint32_t version() const { return version_; } |
49 void set_version(uint32_t version) { version_ = version; } | 50 void set_version(uint32_t version) { version_ = version; } |
50 | 51 |
51 private: | 52 private: |
52 friend class internal::AssociatedInterfacePtrInfoHelper; | 53 friend class internal::AssociatedInterfacePtrInfoHelper; |
53 | 54 |
54 internal::ScopedInterfaceEndpointHandle handle_; | 55 internal::ScopedInterfaceEndpointHandle handle_; |
55 uint32_t version_; | 56 uint32_t version_; |
56 }; | 57 }; |
57 | 58 |
58 namespace internal { | 59 namespace internal { |
59 | 60 |
60 // With this helper, AssociatedInterfacePtrInfo doesn't have to expose any | 61 // With this helper, AssociatedInterfacePtrInfo doesn't have to expose any |
61 // operations related to ScopedInterfaceEndpointHandle, which is an internal | 62 // operations related to ScopedInterfaceEndpointHandle, which is an internal |
62 // class. | 63 // class. |
63 class AssociatedInterfacePtrInfoHelper { | 64 class AssociatedInterfacePtrInfoHelper { |
64 public: | 65 public: |
65 template <typename Interface> | 66 template <typename Interface> |
66 static ScopedInterfaceEndpointHandle PassHandle( | 67 static ScopedInterfaceEndpointHandle PassHandle( |
67 AssociatedInterfacePtrInfo<Interface>* info) { | 68 AssociatedInterfacePtrInfo<Interface>* info) { |
68 return info->handle_.Pass(); | 69 return std::move(info->handle_); |
69 } | 70 } |
70 | 71 |
71 template <typename Interface> | 72 template <typename Interface> |
72 static const ScopedInterfaceEndpointHandle& GetHandle( | 73 static const ScopedInterfaceEndpointHandle& GetHandle( |
73 AssociatedInterfacePtrInfo<Interface>* info) { | 74 AssociatedInterfacePtrInfo<Interface>* info) { |
74 return info->handle_; | 75 return info->handle_; |
75 } | 76 } |
76 | 77 |
77 template <typename Interface> | 78 template <typename Interface> |
78 static void SetHandle(AssociatedInterfacePtrInfo<Interface>* info, | 79 static void SetHandle(AssociatedInterfacePtrInfo<Interface>* info, |
79 ScopedInterfaceEndpointHandle handle) { | 80 ScopedInterfaceEndpointHandle handle) { |
80 info->handle_ = handle.Pass(); | 81 info->handle_ = std::move(handle); |
81 } | 82 } |
82 }; | 83 }; |
83 | 84 |
84 } // namespace internal | 85 } // namespace internal |
85 } // namespace mojo | 86 } // namespace mojo |
86 | 87 |
87 #endif // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ | 88 #endif // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_INTERFACE_PTR_INFO_H_ |
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