1// Copyright (c) 2013 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.
4
5#ifndef PPAPI_SHARED_IMPL_ARRAY_VAR_H_
6#define PPAPI_SHARED_IMPL_ARRAY_VAR_H_
7
8#include <vector>
9
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12#include "ppapi/c/pp_var.h"
13#include "ppapi/shared_impl/ppapi_shared_export.h"
14#include "ppapi/shared_impl/scoped_pp_var.h"
15#include "ppapi/shared_impl/var.h"
16
17namespace ppapi {
18
19class PPAPI_SHARED_EXPORT ArrayVar : public Var {
20 public:
21  typedef std::vector<ScopedPPVar> ElementVector;
22
23  ArrayVar();
24
25  // Helper function that converts a PP_Var to an ArrayVar. This will return
26  // NULL if the PP_Var is not of type PP_VARTYPE_ARRAY or the array cannot be
27  // found from the var tracker.
28  static ArrayVar* FromPPVar(const PP_Var& var);
29
30  // Var overrides.
31  virtual ArrayVar* AsArrayVar() OVERRIDE;
32  virtual PP_VarType GetType() const OVERRIDE;
33
34  // The returned PP_Var has had a ref added on behalf of the caller.
35  PP_Var Get(uint32_t index) const;
36  PP_Bool Set(uint32_t index, const PP_Var& value);
37  uint32_t GetLength() const;
38  PP_Bool SetLength(uint32_t length);
39
40  const ElementVector& elements() const { return elements_; }
41
42  ElementVector& elements() { return elements_; }
43
44 protected:
45  virtual ~ArrayVar();
46
47 private:
48  ElementVector elements_;
49
50  DISALLOW_COPY_AND_ASSIGN(ArrayVar);
51};
52
53}  // namespace ppapi
54
55#endif  // PPAPI_SHARED_IMPL_ARRAY_VAR_H_
56