09a1f4ad7e
BUG=226303 TEST=None Review URL: https://chromiumcodereview.appspot.com/13985026 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194066 0039d316-1c4b-4281-b951-d872f2087c98
89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "ppapi/cpp/var_array_buffer.h"
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#include <limits>
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#include "ppapi/c/ppb_var_array_buffer.h"
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#include "ppapi/cpp/logging.h"
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#include "ppapi/cpp/module_impl.h"
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namespace pp {
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namespace {
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template <> const char* interface_name<PPB_VarArrayBuffer_1_0>() {
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return PPB_VAR_ARRAY_BUFFER_INTERFACE_1_0;
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}
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} // namespace
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VarArrayBuffer::VarArrayBuffer() {
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ConstructWithSize(0);
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}
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VarArrayBuffer::VarArrayBuffer(const Var& var) : Var(var) {
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if (!var.is_array_buffer()) {
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PP_NOTREACHED();
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var_ = PP_MakeNull();
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}
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}
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VarArrayBuffer::VarArrayBuffer(uint32_t size_in_bytes) {
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ConstructWithSize(size_in_bytes);
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}
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pp::VarArrayBuffer& VarArrayBuffer::operator=(const VarArrayBuffer& other) {
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Var::operator=(other);
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return *this;
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}
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pp::Var& VarArrayBuffer::operator=(const Var& other) {
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if (other.is_array_buffer()) {
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return Var::operator=(other);
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} else {
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PP_NOTREACHED();
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return *this;
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}
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}
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uint32_t VarArrayBuffer::ByteLength() const {
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uint32_t byte_length = std::numeric_limits<uint32_t>::max();
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if (is_array_buffer() && has_interface<PPB_VarArrayBuffer_1_0>())
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get_interface<PPB_VarArrayBuffer_1_0>()->ByteLength(var_, &byte_length);
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else
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PP_NOTREACHED();
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return byte_length;
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}
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void* VarArrayBuffer::Map() {
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if (is_array_buffer() && has_interface<PPB_VarArrayBuffer_1_0>())
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return get_interface<PPB_VarArrayBuffer_1_0>()->Map(var_);
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PP_NOTREACHED();
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return NULL;
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}
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void VarArrayBuffer::Unmap() {
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if (is_array_buffer() && has_interface<PPB_VarArrayBuffer_1_0>())
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get_interface<PPB_VarArrayBuffer_1_0>()->Unmap(var_);
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else
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PP_NOTREACHED();
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}
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void VarArrayBuffer::ConstructWithSize(uint32_t size_in_bytes) {
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PP_DCHECK(is_undefined());
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if (has_interface<PPB_VarArrayBuffer_1_0>()) {
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var_ = get_interface<PPB_VarArrayBuffer_1_0>()->Create(size_in_bytes);
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} else {
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PP_NOTREACHED();
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var_ = PP_MakeNull();
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}
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is_managed_ = true;
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}
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} // namespace pp
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