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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_DELEGATE_H_
#define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
#include "third_party/ppapi/c/pp_stdint.h"
namespace skia {
class PlatformCanvas;
}
namespace pepper {
class PluginInstance;
// Virtual interface that the browser implements to implement features for
// Pepper plugins.
class PluginDelegate {
public:
// Represents an image. This is to allow the browser layer to supply a correct
// image representation. In Chrome, this will be a TransportDIB.
class PlatformImage2D {
public:
virtual ~PlatformImage2D() {}
// Caller will own the returned pointer, returns NULL on failure.
virtual skia::PlatformCanvas* Map() = 0;
// Returns the platform-specific shared memory handle of the data backing
// this image. This is used by NativeClient to send the image to the
// out-of-process plugin. Returns 0 on failure.
virtual intptr_t GetSharedMemoryHandle() const = 0;
};
// Indicates that the given instance has been created.
virtual void InstanceCreated(pepper::PluginInstance* instance) = 0;
// Indicates that the given instance is being destroyed. This is called from
// the destructor, so it's important that the instance is not dereferenced
// from this call.
virtual void InstanceDeleted(pepper::PluginInstance* instance) = 0;
// The caller will own the pointer returned from this.
virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
// Notifies that the number of find results has changed.
virtual void DidChangeNumberOfFindResults(int identifier,
int total,
bool final_result) = 0;
// Notifies that the index of the currently selected item has been updated.
virtual void DidChangeSelectedFindResult(int identifier, int index) = 0;
};
} // namespace pepper
#endif // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
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