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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2008 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_USER_SCRIPT_MASTER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_ |
7 | 7 |
8 #include "base/file_path.h" | 8 #include "base/file_path.h" |
9 #include "base/scoped_ptr.h" | 9 #include "base/scoped_ptr.h" |
10 #include "base/shared_memory.h" | 10 #include "base/shared_memory.h" |
11 #include "chrome/browser/chrome_thread.h" | 11 #include "chrome/browser/chrome_thread.h" |
12 #include "chrome/common/extensions/user_script.h" | 12 #include "chrome/common/extensions/user_script.h" |
13 #include "chrome/common/notification_registrar.h" | 13 #include "chrome/common/notification_registrar.h" |
14 #include "testing/gtest/include/gtest/gtest_prod.h" | 14 #include "testing/gtest/include/gtest/gtest_prod.h" |
15 | 15 |
16 namespace base { | 16 namespace base { |
17 class StringPiece; | 17 class StringPiece; |
18 } | 18 } |
19 | 19 |
| 20 class Extension; |
20 class Profile; | 21 class Profile; |
21 | 22 |
22 // Manages a segment of shared memory that contains the user scripts the user | 23 // Manages a segment of shared memory that contains the user scripts the user |
23 // has installed. Lives on the UI thread. | 24 // has installed. Lives on the UI thread. |
24 class UserScriptMaster : public base::RefCountedThreadSafe<UserScriptMaster>, | 25 class UserScriptMaster : public base::RefCountedThreadSafe<UserScriptMaster>, |
25 public NotificationObserver { | 26 public NotificationObserver { |
26 public: | 27 public: |
27 // For testability, the constructor takes the path the scripts live in. | 28 // For testability, the constructor takes the path the scripts live in. |
28 // This is normally a directory inside the profile. | 29 // This is normally a directory inside the profile. |
29 explicit UserScriptMaster(const FilePath& script_dir, Profile* profile); | 30 explicit UserScriptMaster(const FilePath& script_dir, Profile* profile); |
30 | 31 |
31 // Kicks off a process on the file thread to reload scripts from disk | 32 // Kicks off a process on the file thread to reload scripts from disk |
32 // into a new chunk of shared memory and notify renderers. | 33 // into a new chunk of shared memory and notify renderers. |
33 virtual void StartScan(); | 34 virtual void StartScan(); |
34 | 35 |
35 // Gets the segment of shared memory for the scripts. | 36 // Gets the segment of shared memory for the scripts. |
36 base::SharedMemory* GetSharedMemory() const { | 37 base::SharedMemory* GetSharedMemory() const { |
37 return shared_memory_.get(); | 38 return shared_memory_.get(); |
38 } | 39 } |
39 | 40 |
40 // Called by the script reloader when new scripts have been loaded. | 41 // Called by the script reloader when new scripts have been loaded. |
41 void NewScriptsAvailable(base::SharedMemory* handle); | 42 void NewScriptsAvailable(base::SharedMemory* handle); |
42 | 43 |
43 // Return true if we have any scripts ready. | 44 // Return true if we have any scripts ready. |
44 bool ScriptsReady() const { return shared_memory_.get() != NULL; } | 45 bool ScriptsReady() const { return shared_memory_.get() != NULL; } |
45 | 46 |
46 // Returns the path to the directory user scripts are stored in. | 47 // Returns the path to the directory user scripts are stored in. |
47 FilePath user_script_dir() const { return user_script_dir_; } | 48 FilePath user_script_dir() const { return user_script_dir_; } |
48 | 49 |
| 50 // Note: this is only for testing. This will reload the scripts associated |
| 51 // with the given extension. This is only temporary until we get better |
| 52 // machinery in place for toggling incognito-enabled extensions. |
| 53 void ReloadExtensionForTesting(Extension* extension); |
| 54 |
49 protected: | 55 protected: |
50 friend class base::RefCountedThreadSafe<UserScriptMaster>; | 56 friend class base::RefCountedThreadSafe<UserScriptMaster>; |
51 | 57 |
52 virtual ~UserScriptMaster(); | 58 virtual ~UserScriptMaster(); |
53 | 59 |
54 private: | 60 private: |
55 FRIEND_TEST(UserScriptMasterTest, Parse1); | 61 FRIEND_TEST(UserScriptMasterTest, Parse1); |
56 FRIEND_TEST(UserScriptMasterTest, Parse2); | 62 FRIEND_TEST(UserScriptMasterTest, Parse2); |
57 FRIEND_TEST(UserScriptMasterTest, Parse3); | 63 FRIEND_TEST(UserScriptMasterTest, Parse3); |
58 FRIEND_TEST(UserScriptMasterTest, Parse4); | 64 FRIEND_TEST(UserScriptMasterTest, Parse4); |
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151 // finishes. This boolean tracks whether another scan is pending. | 157 // finishes. This boolean tracks whether another scan is pending. |
152 bool pending_scan_; | 158 bool pending_scan_; |
153 | 159 |
154 // The profile for which the scripts managed here are installed. | 160 // The profile for which the scripts managed here are installed. |
155 Profile* profile_; | 161 Profile* profile_; |
156 | 162 |
157 DISALLOW_COPY_AND_ASSIGN(UserScriptMaster); | 163 DISALLOW_COPY_AND_ASSIGN(UserScriptMaster); |
158 }; | 164 }; |
159 | 165 |
160 #endif // CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_ | 166 #endif // CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_ |
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