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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_RESOURCE_H_
#define WEBKIT_GLUE_PLUGINS_PEPPER_RESOURCE_H_
#include "base/basictypes.h"
#include "base/ref_counted.h"
typedef struct _pp_Resource PP_Resource;
namespace pepper {
class DeviceContext2D;
class ImageData;
class PluginModule;
class Resource : public base::RefCountedThreadSafe<Resource> {
public:
explicit Resource(PluginModule* module);
virtual ~Resource();
PP_Resource GetResource() const;
PluginModule* module() const { return module_; }
// Type-specific getters for individual resource types. These will return
// NULL if the resource does not match the specified type.
virtual DeviceContext2D* AsDeviceContext2D() { return NULL; }
virtual ImageData* AsImageData() { return NULL; }
private:
PluginModule* module_; // Non-owning pointer to our module.
DISALLOW_COPY_AND_ASSIGN(Resource);
};
// Returns a "NULL" resource. This is just a helper function so callers
// can avoid creating a resource with a 0 ID.
PP_Resource NullPPResource();
} // namespace pepper
#endif // WEBKIT_GLUE_PLUGINS_PEPPER_RESOURCE_H_
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