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// 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.
#ifndef WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
#define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
#include <set>
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/native_library.h"
#include "base/ref_counted.h"
typedef struct _pp_Module PP_Module;
namespace pepper {
class PluginDelegate;
class PluginInstance;
class PluginModule : public base::RefCounted<PluginModule> {
public:
~PluginModule();
static scoped_refptr<PluginModule> CreateModule(const FilePath& filename);
// Converts the given module ID to an actual module object. Will return NULL
// if the module is invalid.
static PluginModule* FromPPModule(PP_Module module);
PP_Module GetPPModule() const;
PluginInstance* CreateInstance(PluginDelegate* delegate);
// Returns "some" plugin instance associated with this module. This is not
// guaranteed to be any one in particular. This is normally used to execute
// callbacks up to the browser layer that are not inherently per-instance,
// but the delegate lives only on the plugin instance so we need one of them.
PluginInstance* GetSomeInstance() const;
const void* GetPluginInterface(const char* name) const;
// This module is associated with a set of instances. The PluginInstance
// object declares its association with this module in its destructor and
// releases us in its destructor.
void InstanceCreated(PluginInstance* instance);
void InstanceDeleted(PluginInstance* instance);
private:
typedef const void* (*PPP_GetInterfaceFunc)(const char*);
explicit PluginModule(const FilePath& filename);
bool Load();
FilePath filename_;
bool initialized_;
base::NativeLibrary library_;
PPP_GetInterfaceFunc ppp_get_interface_;
// Non-owning pointers to all instances associated with this module. When
// there are no more instances, this object should be deleted.
typedef std::set<PluginInstance*> PluginInstanceSet;
PluginInstanceSet instances_;
DISALLOW_COPY_AND_ASSIGN(PluginModule);
};
} // namespace pepper
#endif // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
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