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 17 namespace ppapi { 18 19 class 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 { 41 return elements_; 42 } 43 44 ElementVector& elements() { 45 return elements_; 46 } 47 48 protected: 49 virtual ~ArrayVar(); 50 51 private: 52 ElementVector elements_; 53 54 DISALLOW_COPY_AND_ASSIGN(ArrayVar); 55 }; 56 57 } // namespace ppapi 58 59 #endif // PPAPI_SHARED_IMPL_ARRAY_VAR_H_ 60
