Update mojo sdk to rev 04a510fb37db10642e156957f9b2c11c2f6442ac

mojo/bindings/js/waiting_callback.cc

-// Copyright 2014 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/bindings/js/waiting_callback.h"
-
-#include "gin/per_context_data.h"
-#include "mojo/public/cpp/environment/environment.h"
-
-namespace mojo {
-namespace js {
-
-namespace {
-
-v8::Handle<v8::String> GetHiddenPropertyName(v8::Isolate* isolate) {
-  return gin::StringToSymbol(isolate, "::mojo::js::WaitingCallback");
-}
-
-}  // namespace
-
-gin::WrapperInfo WaitingCallback::kWrapperInfo = { gin::kEmbedderNativeGin };
-
-// static
-gin::Handle<WaitingCallback> WaitingCallback::Create(
-    v8::Isolate* isolate,
-    v8::Handle<v8::Function> callback,
-    gin::Handle<HandleWrapper> handle_wrapper,
-    MojoHandleSignals signals) {
-  gin::Handle<WaitingCallback> waiting_callback = gin::CreateHandle(
-      isolate, new WaitingCallback(isolate, callback, handle_wrapper));
-  waiting_callback->wait_id_ = Environment::GetDefaultAsyncWaiter()->AsyncWait(
-      handle_wrapper->get().value(),
-      signals,
-      MOJO_DEADLINE_INDEFINITE,
-      &WaitingCallback::CallOnHandleReady,
-      waiting_callback.get());
-  return waiting_callback;
-}
-
-void WaitingCallback::Cancel() {
-  if (!wait_id_)
-    return;
-
-  handle_wrapper_->RemoveCloseObserver(this);
-  handle_wrapper_ = NULL;
-  Environment::GetDefaultAsyncWaiter()->CancelWait(wait_id_);
-  wait_id_ = 0;
-}
-
-WaitingCallback::WaitingCallback(v8::Isolate* isolate,
-                                 v8::Handle<v8::Function> callback,
-                                 gin::Handle<HandleWrapper> handle_wrapper)
-    : wait_id_(0), handle_wrapper_(handle_wrapper.get()) {
-  handle_wrapper_->AddCloseObserver(this);
-  v8::Handle<v8::Context> context = isolate->GetCurrentContext();
-  runner_ = gin::PerContextData::From(context)->runner()->GetWeakPtr();
-  GetWrapper(isolate)->SetHiddenValue(GetHiddenPropertyName(isolate), callback);
-}
-
-WaitingCallback::~WaitingCallback() {
-  Cancel();
-}
-
-// static
-void WaitingCallback::CallOnHandleReady(void* closure, MojoResult result) {
-  static_cast<WaitingCallback*>(closure)->OnHandleReady(result);
-}
-
-void WaitingCallback::OnHandleReady(MojoResult result) {
-  wait_id_ = 0;
-  handle_wrapper_->RemoveCloseObserver(this);
-  handle_wrapper_ = NULL;
-
-  if (!runner_)
-    return;
-
-  gin::Runner::Scope scope(runner_.get());
-  v8::Isolate* isolate = runner_->GetContextHolder()->isolate();
-
-  v8::Handle<v8::Value> hidden_value =
-      GetWrapper(isolate)->GetHiddenValue(GetHiddenPropertyName(isolate));
-  v8::Handle<v8::Function> callback;
-  CHECK(gin::ConvertFromV8(isolate, hidden_value, &callback));
-
-  v8::Handle<v8::Value> args[] = { gin::ConvertToV8(isolate, result) };
-  runner_->Call(callback, runner_->global(), 1, args);
-}
-
-void WaitingCallback::OnWillCloseHandle() {
-  Environment::GetDefaultAsyncWaiter()->CancelWait(wait_id_);
-  OnHandleReady(MOJO_RESULT_INVALID_ARGUMENT);
-}
-
-}  // namespace js
-}  // namespace mojo