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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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_DISPATCHER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <set> | 9 #include <set> |
10 #include <vector> | 10 #include <vector> |
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24 | 24 |
25 // ExtensionFunctionDispatcher receives requests to execute functions from | 25 // ExtensionFunctionDispatcher receives requests to execute functions from |
26 // Chromium extensions running in a RenderViewHost and dispatches them to the | 26 // Chromium extensions running in a RenderViewHost and dispatches them to the |
27 // appropriate handler. It lives entirely on the UI thread. | 27 // appropriate handler. It lives entirely on the UI thread. |
28 class ExtensionFunctionDispatcher { | 28 class ExtensionFunctionDispatcher { |
29 public: | 29 public: |
30 class Delegate { | 30 class Delegate { |
31 public: | 31 public: |
32 virtual Browser* GetBrowser() = 0; | 32 virtual Browser* GetBrowser() = 0; |
33 virtual ExtensionHost* GetExtensionHost() { return NULL; } | 33 virtual ExtensionHost* GetExtensionHost() { return NULL; } |
34 protected: | |
35 ~Delegate() {} | |
36 }; | 34 }; |
37 | 35 |
38 // The peer object allows us to notify ExtensionFunctions when we are | 36 // The peer object allows us to notify ExtensionFunctions when we are |
39 // destroyed. | 37 // destroyed. |
40 struct Peer : public base::RefCounted<Peer> { | 38 struct Peer : public base::RefCounted<Peer> { |
41 Peer(ExtensionFunctionDispatcher* dispatcher) : dispatcher_(dispatcher) {} | 39 Peer(ExtensionFunctionDispatcher* dispatcher) : dispatcher_(dispatcher) {} |
42 ExtensionFunctionDispatcher* dispatcher_; | 40 ExtensionFunctionDispatcher* dispatcher_; |
43 }; | 41 }; |
44 | 42 |
45 // Gets a list of all known extension function names. | 43 // Gets a list of all known extension function names. |
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103 | 101 |
104 // AutomationExtensionFunction requires access to the RenderViewHost | 102 // AutomationExtensionFunction requires access to the RenderViewHost |
105 // associated with us. We make it a friend rather than exposing the | 103 // associated with us. We make it a friend rather than exposing the |
106 // RenderViewHost as a public method as we wouldn't want everyone to | 104 // RenderViewHost as a public method as we wouldn't want everyone to |
107 // start assuming a 1:1 relationship between us and RenderViewHost, | 105 // start assuming a 1:1 relationship between us and RenderViewHost, |
108 // whereas AutomationExtensionFunction is by necessity "tight" with us. | 106 // whereas AutomationExtensionFunction is by necessity "tight" with us. |
109 friend class AutomationExtensionFunction; | 107 friend class AutomationExtensionFunction; |
110 }; | 108 }; |
111 | 109 |
112 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_ | 110 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_DISPATCHER_H_ |
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