| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/cpp/dev/buffer_dev.h" |
| |
| #include "ppapi/c/dev/ppb_buffer_dev.h" |
| #include "ppapi/cpp/instance_handle.h" |
| #include "ppapi/cpp/module.h" |
| #include "ppapi/cpp/module_impl.h" |
| |
| namespace pp { |
| |
| namespace { |
| |
| template <> const char* interface_name<PPB_Buffer_Dev>() { |
| return PPB_BUFFER_DEV_INTERFACE; |
| } |
| |
| } // namespace |
| |
| Buffer_Dev::Buffer_Dev() : data_(NULL), size_(0) { |
| } |
| |
| Buffer_Dev::Buffer_Dev(const Buffer_Dev& other) |
| : Resource(other) { |
| Init(); |
| } |
| |
| Buffer_Dev::Buffer_Dev(PP_Resource resource) |
| : Resource(resource) { |
| Init(); |
| } |
| |
| Buffer_Dev::Buffer_Dev(const InstanceHandle& instance, uint32_t size) |
| : data_(NULL), |
| size_(0) { |
| if (!has_interface<PPB_Buffer_Dev>()) |
| return; |
| |
| PassRefFromConstructor(get_interface<PPB_Buffer_Dev>()->Create( |
| instance.pp_instance(), size)); |
| Init(); |
| } |
| |
| Buffer_Dev::Buffer_Dev(PassRef, PP_Resource resource) |
| : Resource(PassRef(), resource) { |
| Init(); |
| } |
| |
| Buffer_Dev::~Buffer_Dev() { |
| get_interface<PPB_Buffer_Dev>()->Unmap(pp_resource()); |
| } |
| |
| Buffer_Dev& Buffer_Dev::operator=(const Buffer_Dev& rhs) { |
| Resource::operator=(rhs); |
| Init(); |
| return *this; |
| } |
| |
| void Buffer_Dev::Init() { |
| if (!get_interface<PPB_Buffer_Dev>()->Describe(pp_resource(), &size_) || |
| !(data_ = get_interface<PPB_Buffer_Dev>()->Map(pp_resource()))) { |
| data_ = NULL; |
| size_ = 0; |
| } |
| } |
| |
| } // namespace pp |