OLD | NEW |
| (Empty) |
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 | |
3 // found in the LICENSE file. | |
4 | |
5 // TODO: Need mechanism to cleanup the static instance | |
6 | |
7 #ifndef CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ | |
8 #define CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ | |
9 | |
10 #include <stdint.h> | |
11 | |
12 #include <string> | |
13 #include <vector> | |
14 | |
15 #include "base/macros.h" | |
16 #include "base/memory/ref_counted.h" | |
17 #include "third_party/npapi/bindings/npapi.h" | |
18 #include "third_party/npapi/bindings/nphostapi.h" | |
19 | |
20 namespace content { | |
21 | |
22 // The Plugin Host implements the NPN_xxx functions for NPAPI plugins. | |
23 // These are the functions exposed from the Plugin Host for use | |
24 // by the Plugin. | |
25 // | |
26 // The PluginHost is managed as a singleton. This isn't strictly | |
27 // necessary, but since the callback functions are all global C | |
28 // functions, there is really no point in having per-instance PluginHosts. | |
29 class PluginHost : public base::RefCounted<PluginHost> { | |
30 public: | |
31 // Access the single PluginHost instance. Callers | |
32 // must call deref() when finished with the object. | |
33 static PluginHost* Singleton(); | |
34 | |
35 // The table of functions provided to the plugin. | |
36 NPNetscapeFuncs* host_functions() { return &host_funcs_; } | |
37 | |
38 // Helper function for parsing post headers, and applying attributes | |
39 // to the stream. NPAPI post data include headers + data combined. | |
40 // This function parses it out and adds it to the stream in a WebKit | |
41 // style. | |
42 static bool SetPostData(const char* buf, | |
43 uint32_t length, | |
44 std::vector<std::string>* names, | |
45 std::vector<std::string>* values, | |
46 std::vector<char>* body); | |
47 | |
48 void PatchNPNetscapeFuncs(NPNetscapeFuncs* overrides); | |
49 | |
50 private: | |
51 friend class base::RefCounted<PluginHost>; | |
52 | |
53 virtual ~PluginHost(); | |
54 | |
55 PluginHost(); | |
56 void InitializeHostFuncs(); | |
57 NPNetscapeFuncs host_funcs_; | |
58 DISALLOW_COPY_AND_ASSIGN(PluginHost); | |
59 }; | |
60 | |
61 } // namespace content | |
62 | |
63 #endif // CONTENT_CHILD_NPAPI_PLUGIN_HOST_H_ | |
OLD | NEW |