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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_EXTENSIONS_EXTENSION_FUNCTION_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <list> | 9 #include <list> |
10 | 10 |
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28 error_ = error; \ | 28 error_ = error; \ |
29 bad_message_ = true; \ | 29 bad_message_ = true; \ |
30 return false; \ | 30 return false; \ |
31 } while (0) | 31 } while (0) |
32 | 32 |
33 #define DECLARE_EXTENSION_FUNCTION_NAME(name) \ | 33 #define DECLARE_EXTENSION_FUNCTION_NAME(name) \ |
34 public: static const char* function_name() { return name; } | 34 public: static const char* function_name() { return name; } |
35 | 35 |
36 // Abstract base class for extension functions the ExtensionFunctionDispatcher | 36 // Abstract base class for extension functions the ExtensionFunctionDispatcher |
37 // knows how to dispatch to. | 37 // knows how to dispatch to. |
38 // | 38 class ExtensionFunction : public base::RefCountedThreadSafe<ExtensionFunction> { |
39 // TODO(aa): This will have to become reference counted when we introduce | |
40 // APIs that live beyond a single stack frame. | |
41 class ExtensionFunction : public base::RefCounted<ExtensionFunction> { | |
42 public: | 39 public: |
43 ExtensionFunction() : request_id_(-1), name_(""), has_callback_(false) {} | 40 ExtensionFunction() : request_id_(-1), name_(""), has_callback_(false) {} |
44 | 41 |
45 // Specifies the name of the function. | 42 // Specifies the name of the function. |
46 void set_name(const std::string& name) { name_ = name; } | 43 void set_name(const std::string& name) { name_ = name; } |
47 const std::string name() const { return name_; } | 44 const std::string name() const { return name_; } |
48 | 45 |
49 // Set the profile which contains the extension that has originated this | 46 // Set the profile which contains the extension that has originated this |
50 // function call. | 47 // function call. |
51 void set_profile(Profile* profile) { profile_ = profile; } | 48 void set_profile(Profile* profile) { profile_ = profile; } |
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91 void set_include_incognito(bool include) { include_incognito_ = include; } | 88 void set_include_incognito(bool include) { include_incognito_ = include; } |
92 bool include_incognito() { return include_incognito_; } | 89 bool include_incognito() { return include_incognito_; } |
93 | 90 |
94 // Execute the API. Clients should call set_raw_args() and | 91 // Execute the API. Clients should call set_raw_args() and |
95 // set_request_id() before calling this method. Derived classes should be | 92 // set_request_id() before calling this method. Derived classes should be |
96 // ready to return raw_result() and error() before returning from this | 93 // ready to return raw_result() and error() before returning from this |
97 // function. | 94 // function. |
98 virtual void Run() = 0; | 95 virtual void Run() = 0; |
99 | 96 |
100 protected: | 97 protected: |
101 friend class base::RefCounted<ExtensionFunction>; | 98 friend class base::RefCountedThreadSafe<ExtensionFunction>; |
102 | 99 |
103 virtual ~ExtensionFunction() {} | 100 virtual ~ExtensionFunction() {} |
104 | 101 |
105 // Gets the extension that called this function. This can return NULL for | 102 // Gets the extension that called this function. This can return NULL for |
106 // async functions, for example if the extension is unloaded while the | 103 // async functions, for example if the extension is unloaded while the |
107 // function is running. | 104 // function is running. |
108 Extension* GetExtension(); | 105 Extension* GetExtension(); |
109 | 106 |
110 // Gets the "current" browser, if any. | 107 // Gets the "current" browser, if any. |
111 // | 108 // |
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224 } | 221 } |
225 | 222 |
226 protected: | 223 protected: |
227 virtual ~SyncExtensionFunction() {} | 224 virtual ~SyncExtensionFunction() {} |
228 | 225 |
229 private: | 226 private: |
230 DISALLOW_COPY_AND_ASSIGN(SyncExtensionFunction); | 227 DISALLOW_COPY_AND_ASSIGN(SyncExtensionFunction); |
231 }; | 228 }; |
232 | 229 |
233 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_ | 230 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_ |
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