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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ | 5 #ifndef CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ |
| 6 #define CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ | 6 #define CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/callback.h" | 9 #include "base/callback.h" |
| 10 | 10 |
| (...skipping 22 matching lines...) Expand all Loading... | |
| 33 } WDResultType; | 33 } WDResultType; |
| 34 | 34 |
| 35 | 35 |
| 36 typedef base::Callback<void(const WDTypedResult*)> DestroyCallback; | 36 typedef base::Callback<void(const WDTypedResult*)> DestroyCallback; |
| 37 | 37 |
| 38 // | 38 // |
| 39 // The top level class for a result. | 39 // The top level class for a result. |
| 40 // | 40 // |
| 41 class WDTypedResult { | 41 class WDTypedResult { |
| 42 public: | 42 public: |
| 43 virtual ~WDTypedResult(); | 43 virtual ~WDTypedResult() { |
| 44 } | |
| 44 | 45 |
| 45 // Return the result type. | 46 // Return the result type. |
| 46 WDResultType GetType() const { | 47 WDResultType GetType() const { |
| 47 return type_; | 48 return type_; |
| 48 } | 49 } |
| 49 | 50 |
| 50 void Destroy() const { | 51 virtual void Destroy() { |
| 51 if (!callback_.is_null()) { | |
| 52 callback_.Run(this); | |
| 53 } | |
| 54 } | 52 } |
| 55 | 53 |
| 56 protected: | 54 protected: |
| 57 explicit WDTypedResult(WDResultType type); | 55 explicit WDTypedResult(WDResultType type) |
| 58 | 56 : type_(type) { |
| 59 WDTypedResult(WDResultType type, const DestroyCallback& callback); | 57 } |
| 60 | 58 |
| 61 private: | 59 private: |
| 62 WDResultType type_; | 60 WDResultType type_; |
| 63 DestroyCallback callback_; | |
| 64 DISALLOW_COPY_AND_ASSIGN(WDTypedResult); | 61 DISALLOW_COPY_AND_ASSIGN(WDTypedResult); |
| 65 }; | 62 }; |
| 66 | 63 |
| 67 // A result containing one specific pointer or literal value. | 64 // A result containing one specific pointer or literal value. |
| 68 template <class T> class WDResult : public WDTypedResult { | 65 template <class T> class WDResult : public WDTypedResult { |
| 69 public: | 66 public: |
| 70 WDResult(WDResultType type, const T& v) | 67 WDResult(WDResultType type, const T& v) |
| 71 : WDTypedResult(type), value_(v) { | 68 : WDTypedResult(type), value_(v) { |
| 72 } | 69 } |
| 73 | 70 |
| 74 WDResult(WDResultType type, const DestroyCallback& callback, const T& v) | |
| 75 : WDTypedResult(type, callback), value_(v) { | |
| 76 } | |
| 77 | |
| 78 virtual ~WDResult() { | 71 virtual ~WDResult() { |
| 79 } | 72 } |
| 80 | 73 |
| 81 // Return a single value result. | 74 // Return a single value result. |
| 82 T GetValue() const { | 75 T GetValue() const { |
| 83 return value_; | 76 return value_; |
| 84 } | 77 } |
| 85 | 78 |
| 86 private: | 79 private: |
| 87 T value_; | 80 T value_; |
| 88 | 81 |
| 89 DISALLOW_COPY_AND_ASSIGN(WDResult); | 82 DISALLOW_COPY_AND_ASSIGN(WDResult); |
| 90 }; | 83 }; |
| 91 | 84 |
| 85 template <class T> class WDDestroyableResult : public WDTypedResult { | |
| 86 public: | |
| 87 WDDestroyableResult(WDResultType type, const T& v, | |
| 88 const DestroyCallback& callback) | |
|
erikwright (departed)
2013/01/28 20:01:05
indentation.
Cait (Slow)
2013/01/29 01:10:29
Done.
| |
| 89 : WDTypedResult(type), value_(v), callback_(callback) { | |
| 90 } | |
| 91 | |
| 92 virtual ~WDDestroyableResult() { | |
| 93 } | |
| 94 | |
| 95 | |
| 96 virtual void Destroy() OVERRIDE { | |
| 97 if (!callback_.is_null()) { | |
| 98 callback_.Run(this); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 // Return a single value result. | |
| 103 T GetValue() const { | |
| 104 return value_; | |
| 105 } | |
| 106 | |
| 107 private: | |
| 108 T value_; | |
| 109 DestroyCallback callback_; | |
| 110 | |
| 111 DISALLOW_COPY_AND_ASSIGN(WDDestroyableResult); | |
| 112 }; | |
| 113 | |
| 92 template <class T> class WDObjectResult : public WDTypedResult { | 114 template <class T> class WDObjectResult : public WDTypedResult { |
| 93 public: | 115 public: |
| 94 explicit WDObjectResult(WDResultType type) | 116 explicit WDObjectResult(WDResultType type) |
| 95 : WDTypedResult(type) { | 117 : WDTypedResult(type) { |
| 96 } | 118 } |
| 97 | 119 |
| 98 WDObjectResult(WDResultType type, const DestroyCallback& callback) | |
| 99 : WDTypedResult(type, callback) { | |
| 100 } | |
| 101 | |
| 102 T* GetValue() const { | 120 T* GetValue() const { |
| 103 return &value_; | 121 return &value_; |
| 104 } | 122 } |
| 105 | 123 |
| 106 private: | 124 private: |
| 107 // mutable to keep GetValue() const. | 125 // mutable to keep GetValue() const. |
| 108 mutable T value_; | 126 mutable T value_; |
| 109 DISALLOW_COPY_AND_ASSIGN(WDObjectResult); | 127 DISALLOW_COPY_AND_ASSIGN(WDObjectResult); |
| 110 }; | 128 }; |
| 111 | 129 |
| 112 #endif // CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ | 130 #endif // CHROME_BROWSER_API_WEBDATA_WEB_DATA_RESULTS_H_ |
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