electron/atom/browser/api/atom_api_power_monitor.cc
2016-09-16 09:58:27 -07:00

84 lines
2.1 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/api/atom_api_power_monitor.h"
#include "atom/browser/browser.h"
#include "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_device_source.h"
#include "native_mate/dictionary.h"
#include "atom/common/node_includes.h"
namespace atom {
namespace api {
PowerMonitor::PowerMonitor(v8::Isolate* isolate) {
base::PowerMonitor::Get()->AddObserver(this);
Init(isolate);
}
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
v8::Local<v8::Value> PowerMonitor::Create(v8::Isolate* isolate) {
if (!Browser::Get()->is_ready()) {
isolate->ThrowException(v8::Exception::Error(mate::StringToV8(
isolate,
"Cannot initialize \"powerMonitor\" module before app is ready")));
return v8::Null(isolate);
}
return mate::CreateHandle(isolate, new PowerMonitor(isolate)).ToV8();
}
// static
void PowerMonitor::BuildPrototype(
v8::Isolate* isolate, v8::Local<v8::FunctionTemplate> prototype) {
prototype->SetClassName(mate::StringToV8(isolate, "PowerMonitor"));
}
} // namespace api
} // namespace atom
namespace {
using atom::api::PowerMonitor;
void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
v8::Local<v8::Context> context, void* priv) {
#if defined(OS_MACOSX)
base::PowerMonitorDeviceSource::AllocateSystemIOPorts();
#endif
v8::Isolate* isolate = context->GetIsolate();
mate::Dictionary dict(isolate, exports);
dict.Set("powerMonitor", PowerMonitor::Create(isolate));
dict.Set("PowerMonitor",
PowerMonitor::GetConstructor(isolate)->GetFunction());
}
} // namespace
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_browser_power_monitor, Initialize)