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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_PLUGINS_PLUGIN_FINDER_H_ | 5 #ifndef CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_ |
6 #define CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_ | 6 #define CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/gtest_prod_util.h" | 13 #include "base/gtest_prod_util.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/singleton.h" | 15 #include "base/memory/singleton.h" |
16 #include "base/strings/string16.h" | 16 #include "base/strings/string16.h" |
17 #include "base/synchronization/lock.h" | 17 #include "base/synchronization/lock.h" |
| 18 #include "chrome/common/features.h" |
18 #include "content/public/common/webplugininfo.h" | 19 #include "content/public/common/webplugininfo.h" |
19 | 20 |
20 namespace base { | 21 namespace base { |
21 class DictionaryValue; | 22 class DictionaryValue; |
22 } | 23 } |
23 | 24 |
24 class GURL; | 25 class GURL; |
25 class PluginMetadata; | 26 class PluginMetadata; |
26 class PrefRegistrySimple; | 27 class PrefRegistrySimple; |
27 | 28 |
28 #if defined(ENABLE_PLUGIN_INSTALLATION) | 29 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION) |
29 class PluginInstaller; | 30 class PluginInstaller; |
30 #endif | 31 #endif |
31 | 32 |
32 // This class should be created and initialized by calling | 33 // This class should be created and initialized by calling |
33 // |GetInstance()| and |Init()| on the UI thread. | 34 // |GetInstance()| and |Init()| on the UI thread. |
34 // After that it can be safely used on any other thread. | 35 // After that it can be safely used on any other thread. |
35 class PluginFinder { | 36 class PluginFinder { |
36 public: | 37 public: |
37 static void RegisterPrefs(PrefRegistrySimple* registry); | 38 static void RegisterPrefs(PrefRegistrySimple* registry); |
38 | 39 |
39 static PluginFinder* GetInstance(); | 40 static PluginFinder* GetInstance(); |
40 | 41 |
41 // It should be called on the UI thread. | 42 // It should be called on the UI thread. |
42 void Init(); | 43 void Init(); |
43 | 44 |
44 void ReinitializePlugins(const base::DictionaryValue* json_metadata); | 45 void ReinitializePlugins(const base::DictionaryValue* json_metadata); |
45 | 46 |
46 #if defined(ENABLE_PLUGIN_INSTALLATION) | 47 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION) |
47 // Finds a plugin for the given MIME type and language (specified as an IETF | 48 // Finds a plugin for the given MIME type and language (specified as an IETF |
48 // language tag, i.e. en-US). If found, sets |installer| to the | 49 // language tag, i.e. en-US). If found, sets |installer| to the |
49 // corresponding PluginInstaller and |plugin_metadata| to a copy of the | 50 // corresponding PluginInstaller and |plugin_metadata| to a copy of the |
50 // corresponding PluginMetadata. | 51 // corresponding PluginMetadata. |
51 bool FindPlugin(const std::string& mime_type, | 52 bool FindPlugin(const std::string& mime_type, |
52 const std::string& language, | 53 const std::string& language, |
53 PluginInstaller** installer, | 54 PluginInstaller** installer, |
54 std::unique_ptr<PluginMetadata>* plugin_metadata); | 55 std::unique_ptr<PluginMetadata>* plugin_metadata); |
55 | 56 |
56 // Finds the plugin with the given identifier. If found, sets |installer| | 57 // Finds the plugin with the given identifier. If found, sets |installer| |
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71 FRIEND_TEST_ALL_PREFIXES(PluginFinderTest, JsonSyntax); | 72 FRIEND_TEST_ALL_PREFIXES(PluginFinderTest, JsonSyntax); |
72 FRIEND_TEST_ALL_PREFIXES(PluginFinderTest, PluginGroups); | 73 FRIEND_TEST_ALL_PREFIXES(PluginFinderTest, PluginGroups); |
73 | 74 |
74 PluginFinder(); | 75 PluginFinder(); |
75 ~PluginFinder(); | 76 ~PluginFinder(); |
76 | 77 |
77 // Loads the plugin information from the browser resources and parses it. | 78 // Loads the plugin information from the browser resources and parses it. |
78 // Returns NULL if the plugin list couldn't be parsed. | 79 // Returns NULL if the plugin list couldn't be parsed. |
79 static base::DictionaryValue* LoadBuiltInPluginList(); | 80 static base::DictionaryValue* LoadBuiltInPluginList(); |
80 | 81 |
81 #if defined(ENABLE_PLUGIN_INSTALLATION) | 82 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION) |
82 std::map<std::string, PluginInstaller*> installers_; | 83 std::map<std::string, PluginInstaller*> installers_; |
83 #endif | 84 #endif |
84 | 85 |
85 std::map<std::string, PluginMetadata*> identifier_plugin_; | 86 std::map<std::string, PluginMetadata*> identifier_plugin_; |
86 | 87 |
87 // Version of the metadata information. We use this to consolidate multiple | 88 // Version of the metadata information. We use this to consolidate multiple |
88 // sources (baked into resource and fetched from a URL), making sure that we | 89 // sources (baked into resource and fetched from a URL), making sure that we |
89 // don't overwrite newer versions with older ones. | 90 // don't overwrite newer versions with older ones. |
90 int version_; | 91 int version_; |
91 | 92 |
92 // Synchronization for the above member variables is | 93 // Synchronization for the above member variables is |
93 // required since multiple threads can be accessing them concurrently. | 94 // required since multiple threads can be accessing them concurrently. |
94 base::Lock mutex_; | 95 base::Lock mutex_; |
95 | 96 |
96 DISALLOW_COPY_AND_ASSIGN(PluginFinder); | 97 DISALLOW_COPY_AND_ASSIGN(PluginFinder); |
97 }; | 98 }; |
98 | 99 |
99 #endif // CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_ | 100 #endif // CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_ |
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