1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "mojo/apps/js/bindings/monotonic_clock.h"
7 #include "gin/object_template_builder.h"
8 #include "gin/per_isolate_data.h"
9 #include "gin/public/wrapper_info.h"
10 #include "mojo/public/cpp/system/core.h"
17 gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
19 double GetMonotonicSeconds() {
20 const double kMicrosecondsPerSecond = 1000000;
21 return static_cast<double>(mojo::GetTimeTicksNow()) / kMicrosecondsPerSecond;
26 const char MonotonicClock::kModuleName[] = "monotonic_clock";
28 v8::Local<v8::Value> MonotonicClock::GetModule(v8::Isolate* isolate) {
29 gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
30 v8::Local<v8::ObjectTemplate> templ =
31 data->GetObjectTemplate(&g_wrapper_info);
32 if (templ.IsEmpty()) {
33 templ = gin::ObjectTemplateBuilder(isolate)
34 .SetMethod("seconds", GetMonotonicSeconds)
36 data->SetObjectTemplate(&g_wrapper_info, templ);
38 return templ->NewInstance();