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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // TODO: Need mechanism to cleanup the static instance | 5 // TODO: Need mechanism to cleanup the static instance |
6 | 6 |
7 #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ | 7 #ifndef CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ |
8 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ | 8 #define CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ |
9 | 9 |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "third_party/npapi/bindings/npapi.h" | 14 #include "third_party/npapi/bindings/npapi.h" |
15 #include "third_party/npapi/bindings/nphostapi.h" | 15 #include "third_party/npapi/bindings/nphostapi.h" |
16 #include "webkit/plugins/webkit_plugins_export.h" | |
17 | 16 |
18 namespace webkit { | 17 namespace content { |
19 namespace npapi { | |
20 | 18 |
21 // The Plugin Host implements the NPN_xxx functions for NPAPI plugins. | 19 // The Plugin Host implements the NPN_xxx functions for NPAPI plugins. |
22 // These are the functions exposed from the Plugin Host for use | 20 // These are the functions exposed from the Plugin Host for use |
23 // by the Plugin. | 21 // by the Plugin. |
24 // | 22 // |
25 // The PluginHost is managed as a singleton. This isn't strictly | 23 // The PluginHost is managed as a singleton. This isn't strictly |
26 // necessary, but since the callback functions are all global C | 24 // necessary, but since the callback functions are all global C |
27 // functions, there is really no point in having per-instance PluginHosts. | 25 // functions, there is really no point in having per-instance PluginHosts. |
28 class PluginHost : public base::RefCounted<PluginHost> { | 26 class PluginHost : public base::RefCounted<PluginHost> { |
29 public: | 27 public: |
30 // Access the single PluginHost instance. Callers | 28 // Access the single PluginHost instance. Callers |
31 // must call deref() when finished with the object. | 29 // must call deref() when finished with the object. |
32 WEBKIT_PLUGINS_EXPORT static PluginHost* Singleton(); | 30 static PluginHost* Singleton(); |
33 | 31 |
34 // The table of functions provided to the plugin. | 32 // The table of functions provided to the plugin. |
35 NPNetscapeFuncs* host_functions() { return &host_funcs_; } | 33 NPNetscapeFuncs* host_functions() { return &host_funcs_; } |
36 | 34 |
37 // Helper function for parsing post headers, and applying attributes | 35 // Helper function for parsing post headers, and applying attributes |
38 // to the stream. NPAPI post data include headers + data combined. | 36 // to the stream. NPAPI post data include headers + data combined. |
39 // This function parses it out and adds it to the stream in a WebKit | 37 // This function parses it out and adds it to the stream in a WebKit |
40 // style. | 38 // style. |
41 static bool SetPostData(const char *buf, | 39 static bool SetPostData(const char *buf, |
42 uint32 length, | 40 uint32 length, |
43 std::vector<std::string>* names, | 41 std::vector<std::string>* names, |
44 std::vector<std::string>* values, | 42 std::vector<std::string>* values, |
45 std::vector<char>* body); | 43 std::vector<char>* body); |
46 | 44 |
47 WEBKIT_PLUGINS_EXPORT void PatchNPNetscapeFuncs(NPNetscapeFuncs* overrides); | 45 void PatchNPNetscapeFuncs(NPNetscapeFuncs* overrides); |
48 | 46 |
49 private: | 47 private: |
50 friend class base::RefCounted<PluginHost>; | 48 friend class base::RefCounted<PluginHost>; |
51 | 49 |
52 virtual ~PluginHost(); | 50 virtual ~PluginHost(); |
53 | 51 |
54 PluginHost(); | 52 PluginHost(); |
55 void InitializeHostFuncs(); | 53 void InitializeHostFuncs(); |
56 NPNetscapeFuncs host_funcs_; | 54 NPNetscapeFuncs host_funcs_; |
57 DISALLOW_COPY_AND_ASSIGN(PluginHost); | 55 DISALLOW_COPY_AND_ASSIGN(PluginHost); |
58 }; | 56 }; |
59 | 57 |
60 } // namespace npapi | 58 } // namespace content |
61 } // namespace webkit | |
62 | 59 |
63 #endif // WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ | 60 #endif // CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ |
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