ppapi/thunk/ppb_var_array_thunk.cc

   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 #include "ppapi/c/ppb_var_array.h"
   6 #include "ppapi/shared_impl/array_var.h"
   7 #include "ppapi/shared_impl/proxy_lock.h"
   8 #include "ppapi/thunk/thunk.h"
   9
  10 namespace ppapi {
  11 namespace thunk {
  12
  13 namespace {
  14
  15 PP_Var Create() {
  16   ProxyAutoLock lock;
  17
  18   // Var tracker will hold a reference to this object.
  19   ArrayVar* var = new ArrayVar();
  20   return var->GetPPVar();
  21 }
  22
  23 PP_Var Get(PP_Var array, uint32_t index) {
  24   ProxyAutoLock lock;
  25
  26   ArrayVar* array_var = ArrayVar::FromPPVar(array);
  27   if (!array_var)
  28     return PP_MakeUndefined();
  29   return array_var->Get(index);
  30 }
  31
  32 PP_Bool Set(PP_Var array, uint32_t index, PP_Var value) {
  33   ProxyAutoLock lock;
  34
  35   ArrayVar* array_var = ArrayVar::FromPPVar(array);
  36   if (!array_var)
  37     return PP_FALSE;
  38   return array_var->Set(index, value);
  39 }
  40
  41 uint32_t GetLength(PP_Var array) {
  42   ProxyAutoLock lock;
  43
  44   ArrayVar* array_var = ArrayVar::FromPPVar(array);
  45   if (!array_var)
  46     return 0;
  47   return array_var->GetLength();
  48 }
  49
  50 PP_Bool SetLength(PP_Var array, uint32_t length) {
  51   ProxyAutoLock lock;
  52
  53   ArrayVar* array_var = ArrayVar::FromPPVar(array);
  54   if (!array_var)
  55     return PP_FALSE;
  56   return array_var->SetLength(length);
  57 }
  58
  59 const PPB_VarArray_1_0 g_ppb_vararray_1_0_thunk = {
  60   &Create,
  61   &Get,
  62   &Set,
  63   &GetLength,
  64   &SetLength
  65 };
  66
  67 }  // namespace
  68
  69 const PPB_VarArray_1_0* GetPPB_VarArray_1_0_Thunk() {
  70   return &g_ppb_vararray_1_0_thunk;
  71 }
  72
  73 }  // namespace thunk
  74 }  // namespace ppapi