electron/atom/browser/api/atom_api_power_monitor.cc

67 lines
1.6 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "atom/browser/api/atom_api_power_monitor.h"
#include "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_device_source.h"
#include "atom/common/node_includes.h"
namespace atom {
namespace api {
PowerMonitor::PowerMonitor(v8::Handle<v8::Object> wrapper)
: EventEmitter(wrapper) {
base::PowerMonitor::Get()->AddObserver(this);
}
PowerMonitor::~PowerMonitor() {
base::PowerMonitor::Get()->RemoveObserver(this);
}
void PowerMonitor::OnPowerStateChange(bool on_battery_power) {
if (on_battery_power)
Emit("on-battery");
else
Emit("on-ac");
}
void PowerMonitor::OnSuspend() {
Emit("suspend");
}
void PowerMonitor::OnResume() {
Emit("resume");
}
// static
void PowerMonitor::New(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (!args.IsConstructCall())
return node::ThrowError("Require constructor call");
new PowerMonitor(args.This());
}
// static
void PowerMonitor::Initialize(v8::Handle<v8::Object> target) {
#if defined(OS_MACOSX)
base::PowerMonitorDeviceSource::AllocateSystemIOPorts();
#endif
v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(
PowerMonitor::New);
t->InstanceTemplate()->SetInternalFieldCount(1);
t->SetClassName(v8::String::NewSymbol("PowerMonitor"));
target->Set(v8::String::NewSymbol("PowerMonitor"), t->GetFunction());
}
} // namespace api
} // namespace atom
NODE_MODULE(atom_browser_power_monitor, atom::api::PowerMonitor::Initialize)