Initial import of libmojo r405848

This brings libmojo in sync with libchrome.

Bug: 27569341
Test: mma -j32 libmojo
Change-Id: Ia7cb877e46dd3f86f18888b5d8d80bef5468b266

1 files changed, 72 insertions, 0 deletions

diff --git a/mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc b/mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc
new file mode 100644
index 0000000..f54c3f7
--- /dev/null
+++ b/mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc
@@ -0,0 +1,72 @@
+// Copyright 2015 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 "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
+
+#include "base/logging.h"
+#include "mojo/public/cpp/bindings/associated_group_controller.h"
+
+namespace mojo {
+
+ScopedInterfaceEndpointHandle::ScopedInterfaceEndpointHandle()
+    : ScopedInterfaceEndpointHandle(kInvalidInterfaceId, true, nullptr) {}
+
+ScopedInterfaceEndpointHandle::ScopedInterfaceEndpointHandle(
+    ScopedInterfaceEndpointHandle&& other)
+    : id_(other.id_), is_local_(other.is_local_) {
+  group_controller_.swap(other.group_controller_);
+  other.id_ = kInvalidInterfaceId;
+}
+
+ScopedInterfaceEndpointHandle::~ScopedInterfaceEndpointHandle() {
+  reset();
+}
+
+ScopedInterfaceEndpointHandle& ScopedInterfaceEndpointHandle::operator=(
+    ScopedInterfaceEndpointHandle&& other) {
+  reset();
+  swap(other);
+
+  return *this;
+}
+
+void ScopedInterfaceEndpointHandle::reset() {
+  if (!IsValidInterfaceId(id_))
+    return;
+
+  group_controller_->CloseEndpointHandle(id_, is_local_);
+
+  id_ = kInvalidInterfaceId;
+  is_local_ = true;
+  group_controller_ = nullptr;
+}
+
+void ScopedInterfaceEndpointHandle::swap(ScopedInterfaceEndpointHandle& other) {
+  using std::swap;
+  swap(other.id_, id_);
+  swap(other.is_local_, is_local_);
+  swap(other.group_controller_, group_controller_);
+}
+
+InterfaceId ScopedInterfaceEndpointHandle::release() {
+  InterfaceId result = id_;
+
+  id_ = kInvalidInterfaceId;
+  is_local_ = true;
+  group_controller_ = nullptr;
+
+  return result;
+}
+
+ScopedInterfaceEndpointHandle::ScopedInterfaceEndpointHandle(
+    InterfaceId id,
+    bool is_local,
+    scoped_refptr<AssociatedGroupController> group_controller)
+    : id_(id),
+      is_local_(is_local),
+      group_controller_(std::move(group_controller)) {
+  DCHECK(!IsValidInterfaceId(id) || group_controller_);
+}
+
+}  // namespace mojo