15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#ifndef PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_ 6bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#define PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/memory/shared_memory.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ppapi/c/pp_instance.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ppapi/shared_impl/host_resource.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/var.h" 129ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "third_party/WebKit/public/platform/WebArrayBuffer.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1458e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdochnamespace content { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Represents a host-side ArrayBufferVar. 17ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdochclass HostArrayBufferVar : public ppapi::ArrayBufferVar { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit HostArrayBufferVar(uint32 size_in_bytes); 20f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) explicit HostArrayBufferVar(const blink::WebArrayBuffer& buffer); 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit HostArrayBufferVar(uint32 size_in_bytes, 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::SharedMemoryHandle handle); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ArrayBufferVar implementation. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() OVERRIDE; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() OVERRIDE; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual uint32 ByteLength() OVERRIDE; 28a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch virtual bool CopyToNewShmem(PP_Instance instance, 29a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch int* host_shm_handle_id, 30a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch base::SharedMemoryHandle* plugin_shm_handle) 31a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch OVERRIDE; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 33f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) blink::WebArrayBuffer& webkit_buffer() { return buffer_; } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 36bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch virtual ~HostArrayBufferVar(); 37bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch 38f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) blink::WebArrayBuffer buffer_; 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Tracks whether the data in the buffer is valid. 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool valid_; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(HostArrayBufferVar); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4558e6fbe4ee35d65e14b626c557d37565bf8ad179Ben Murdoch} // namespace content 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 47bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#endif // PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_ 48