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