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// 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/support.h"
#include "base/bind.h"
#include "gin/arguments.h"
#include "gin/converter.h"
#include "gin/function_template.h"
#include "gin/object_template_builder.h"
#include "gin/per_isolate_data.h"
#include "gin/public/wrapper_info.h"
#include "gin/wrappable.h"
#include "mojo/bindings/js/handle.h"
#include "mojo/bindings/js/waiting_callback.h"
#include "mojo/public/cpp/environment/default_async_waiter.h"
#include "mojo/public/cpp/system/core.h"
namespace mojo {
namespace js {
namespace {
WaitingCallback* AsyncWait(const gin::Arguments& args, mojo::Handle handle,
MojoWaitFlags flags,
v8::Handle<v8::Function> callback) {
gin::Handle<WaitingCallback> waiting_callback =
WaitingCallback::Create(args.isolate(), callback);
MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter();
MojoAsyncWaitID wait_id = waiter->AsyncWait(
waiter,
handle.value(),
flags,
MOJO_DEADLINE_INDEFINITE,
&WaitingCallback::CallOnHandleReady,
waiting_callback.get());
waiting_callback->set_wait_id(wait_id);
return waiting_callback.get();
}
void CancelWait(WaitingCallback* waiting_callback) {
if (!waiting_callback->wait_id())
return;
MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter();
waiter->CancelWait(waiter, waiting_callback->wait_id());
waiting_callback->set_wait_id(0);
}
gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
} // namespace
const char Support::kModuleName[] = "mojo/public/js/bindings/support";
v8::Local<v8::Value> Support::GetModule(v8::Isolate* isolate) {
gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
&g_wrapper_info);
if (templ.IsEmpty()) {
templ = gin::ObjectTemplateBuilder(isolate)
.SetMethod("asyncWait", AsyncWait)
.SetMethod("cancelWait", CancelWait)
.Build();
data->SetObjectTemplate(&g_wrapper_info, templ);
}
return templ->NewInstance();
}
} // namespace js
} // namespace mojo
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