Add/resurrect support for bundles of WebStore items.
[chromium-blink-merge.git] / ppapi / cpp / dev / buffer_dev.h
blobd82f92d5cc8dd4e5de9abe6edb20efbead6f038f
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef PPAPI_CPP_DEV_BUFFER_DEV_H_
6 #define PPAPI_CPP_DEV_BUFFER_DEV_H_
8 #include "ppapi/cpp/resource.h"
10 namespace pp {
12 class InstanceHandle;
14 class Buffer_Dev : public Resource {
15 public:
16 // Creates an is_null() Buffer object.
17 Buffer_Dev();
18 Buffer_Dev(const Buffer_Dev& other);
19 explicit Buffer_Dev(PP_Resource resource);
21 // Creates & Maps a new Buffer in the browser with the given size. The
22 // resulting object will be is_null() if either Create() or Map() fails.
23 Buffer_Dev(const InstanceHandle& instance, uint32_t size);
25 // Constructor used when the buffer resource already has a reference count
26 // assigned. No additional reference is taken.
27 Buffer_Dev(PassRef, PP_Resource resource);
29 // Unmap the underlying shared memory.
30 virtual ~Buffer_Dev();
32 Buffer_Dev& operator=(const Buffer_Dev& rhs);
34 uint32_t size() const { return size_; }
35 void* data() const { return data_; }
37 private:
38 void Init();
40 void* data_;
41 uint32_t size_;
44 } // namespace pp
46 #endif // PPAPI_CPP_DEV_BUFFER_DEV_H_