1 files changed, 69 insertions, 0 deletions
diff --git a/chromium/ppapi/cpp/dev/buffer_dev.cc b/chromium/ppapi/cpp/dev/buffer_dev.cc
new file mode 100644
index 00000000000..aca7b1b795f
--- /dev/null
+++ b/chromium/ppapi/cpp/dev/buffer_dev.cc
@@ -0,0 +1,69 @@
+// 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