| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // TODO: Need mechanism to cleanup the static instance |
| |
| #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ |
| #define WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| #include "third_party/npapi/bindings/npapi.h" |
| #include "third_party/npapi/bindings/nphostapi.h" |
| #include "webkit/plugins/webkit_plugins_export.h" |
| |
| namespace webkit { |
| namespace npapi { |
| |
| // The Plugin Host implements the NPN_xxx functions for NPAPI plugins. |
| // These are the functions exposed from the Plugin Host for use |
| // by the Plugin. |
| // |
| // The PluginHost is managed as a singleton. This isn't strictly |
| // necessary, but since the callback functions are all global C |
| // functions, there is really no point in having per-instance PluginHosts. |
| class PluginHost : public base::RefCounted<PluginHost> { |
| public: |
| // Access the single PluginHost instance. Callers |
| // must call deref() when finished with the object. |
| WEBKIT_PLUGINS_EXPORT static PluginHost* Singleton(); |
| |
| // The table of functions provided to the plugin. |
| NPNetscapeFuncs* host_functions() { return &host_funcs_; } |
| |
| // Helper function for parsing post headers, and applying attributes |
| // to the stream. NPAPI post data include headers + data combined. |
| // This function parses it out and adds it to the stream in a WebKit |
| // style. |
| static bool SetPostData(const char *buf, |
| uint32 length, |
| std::vector<std::string>* names, |
| std::vector<std::string>* values, |
| std::vector<char>* body); |
| |
| WEBKIT_PLUGINS_EXPORT void PatchNPNetscapeFuncs(NPNetscapeFuncs* overrides); |
| |
| private: |
| friend class base::RefCounted<PluginHost>; |
| |
| virtual ~PluginHost(); |
| |
| PluginHost(); |
| void InitializeHostFuncs(); |
| NPNetscapeFuncs host_funcs_; |
| DISALLOW_COPY_AND_ASSIGN(PluginHost); |
| }; |
| |
| } // namespace npapi |
| } // namespace webkit |
| |
| #endif // WEBKIT_PLUGINS_NPAPI_PLUGIN_HOST_H_ |