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var_array.cc
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96 lines (72 loc) · 2.16 KB
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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/cpp/var_array.h"
#include "ppapi/c/ppb_var_array.h"
#include "ppapi/cpp/logging.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
template <> const char* interface_name<PPB_VarArray_1_0>() {
return PPB_VAR_ARRAY_INTERFACE_1_0;
}
} // namespace
VarArray::VarArray() : Var(Null()) {
if (has_interface<PPB_VarArray_1_0>())
var_ = get_interface<PPB_VarArray_1_0>()->Create();
else
PP_NOTREACHED();
}
VarArray::VarArray(const Var& var) : Var(var) {
if (!var.is_array()) {
PP_NOTREACHED();
// This takes care of releasing the reference that this object holds.
Var::operator=(Var(Null()));
}
}
VarArray::VarArray(const PP_Var& var) : Var(var) {
if (var.type != PP_VARTYPE_ARRAY) {
PP_NOTREACHED();
// This takes care of releasing the reference that this object holds.
Var::operator=(Var(Null()));
}
}
VarArray::VarArray(const VarArray& other) : Var(other) {
}
VarArray::~VarArray() {
}
VarArray& VarArray::operator=(const VarArray& other) {
Var::operator=(other);
return *this;
}
Var& VarArray::operator=(const Var& other) {
if (other.is_array()) {
Var::operator=(other);
} else {
PP_NOTREACHED();
Var::operator=(Var(Null()));
}
return *this;
}
Var VarArray::Get(uint32_t index) const {
if (!has_interface<PPB_VarArray_1_0>())
return Var();
return Var(PASS_REF, get_interface<PPB_VarArray_1_0>()->Get(var_, index));
}
bool VarArray::Set(uint32_t index, const Var& value) {
if (!has_interface<PPB_VarArray_1_0>())
return false;
return PP_ToBool(get_interface<PPB_VarArray_1_0>()->Set(var_, index,
value.pp_var()));
}
uint32_t VarArray::GetLength() const {
if (!has_interface<PPB_VarArray_1_0>())
return 0;
return get_interface<PPB_VarArray_1_0>()->GetLength(var_);
}
bool VarArray::SetLength(uint32_t length) {
if (!has_interface<PPB_VarArray_1_0>())
return false;
return PP_ToBool(get_interface<PPB_VarArray_1_0>()->SetLength(var_, length));
}
} // namespace pp