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Diffstat (limited to 'webkit/glue/plugins/plugin_host.h')
-rw-r--r-- | webkit/glue/plugins/plugin_host.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/webkit/glue/plugins/plugin_host.h b/webkit/glue/plugins/plugin_host.h new file mode 100644 index 0000000..4763df1 --- /dev/null +++ b/webkit/glue/plugins/plugin_host.h @@ -0,0 +1,63 @@ +// Copyright (c) 2010 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_GLUE_PLUGIN_PLUGIN_HOST_H__ +#define WEBKIT_GLUE_PLUGIN_PLUGIN_HOST_H__ + +#include <string> +#include <vector> + +#include "base/ref_counted.h" +#include "third_party/npapi/bindings/npapi.h" +#include "third_party/npapi/bindings/nphostapi.h" + +namespace NPAPI +{ +class PluginInstance; + +// 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. + 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); + + void PatchNPNetscapeFuncs(NPNetscapeFuncs* overrides); + + private: + friend class base::RefCounted<PluginHost>; + + virtual ~PluginHost(); + + PluginHost(); + void InitializeHostFuncs(); + static scoped_refptr<PluginHost> singleton_; + NPNetscapeFuncs host_funcs_; + DISALLOW_COPY_AND_ASSIGN(PluginHost); +}; + +} // namespace NPAPI + +#endif // WEBKIT_GLUE_PLUGIN_PLUGIN_HOST_H__ |