154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/api/electron_api_power_monitor.h"
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#include "base/power_monitor/power_monitor.h"
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#include "base/power_monitor/power_monitor_device_source.h"
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#include "gin/dictionary.h"
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#include "gin/handle.h"
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#include "shell/browser/browser.h"
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#include "shell/common/gin_converters/callback_converter.h"
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#include "shell/common/gin_helper/object_template_builder.h"
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#include "shell/common/node_includes.h"
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namespace gin {
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template <>
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struct Converter<ui::IdleState> {
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static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
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const ui::IdleState& in) {
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switch (in) {
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case ui::IDLE_STATE_ACTIVE:
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return StringToV8(isolate, "active");
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case ui::IDLE_STATE_IDLE:
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return StringToV8(isolate, "idle");
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case ui::IDLE_STATE_LOCKED:
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return StringToV8(isolate, "locked");
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case ui::IDLE_STATE_UNKNOWN:
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default:
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return StringToV8(isolate, "unknown");
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}
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}
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};
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} // namespace gin
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namespace electron {
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namespace api {
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PowerMonitor::PowerMonitor(v8::Isolate* isolate) {
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#if defined(OS_LINUX)
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SetShutdownHandler(base::BindRepeating(&PowerMonitor::ShouldShutdown,
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base::Unretained(this)));
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#elif defined(OS_MACOSX)
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Browser::Get()->SetShutdownHandler(base::BindRepeating(
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&PowerMonitor::ShouldShutdown, base::Unretained(this)));
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#endif
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base::PowerMonitor::AddObserver(this);
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Init(isolate);
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#if defined(OS_MACOSX) || defined(OS_WIN)
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InitPlatformSpecificMonitors();
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#endif
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}
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PowerMonitor::~PowerMonitor() {
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base::PowerMonitor::RemoveObserver(this);
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}
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bool PowerMonitor::ShouldShutdown() {
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return !Emit("shutdown");
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}
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#if defined(OS_LINUX)
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void PowerMonitor::BlockShutdown() {
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PowerObserverLinux::BlockShutdown();
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}
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void PowerMonitor::UnblockShutdown() {
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PowerObserverLinux::UnblockShutdown();
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}
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#endif
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void PowerMonitor::OnPowerStateChange(bool on_battery_power) {
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if (on_battery_power)
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Emit("on-battery");
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else
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Emit("on-ac");
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}
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void PowerMonitor::OnSuspend() {
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Emit("suspend");
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}
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void PowerMonitor::OnResume() {
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Emit("resume");
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}
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ui::IdleState PowerMonitor::GetSystemIdleState(v8::Isolate* isolate,
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int idle_threshold) {
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if (idle_threshold > 0) {
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return ui::CalculateIdleState(idle_threshold);
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} else {
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isolate->ThrowException(v8::Exception::TypeError(gin::StringToV8(
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isolate, "Invalid idle threshold, must be greater than 0")));
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return ui::IDLE_STATE_UNKNOWN;
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}
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}
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int PowerMonitor::GetSystemIdleTime() {
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return ui::CalculateIdleTime();
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}
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// static
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v8::Local<v8::Value> PowerMonitor::Create(v8::Isolate* isolate) {
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if (!Browser::Get()->is_ready()) {
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isolate->ThrowException(v8::Exception::Error(
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gin::StringToV8(isolate,
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"The 'powerMonitor' module can't be used before the "
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"app 'ready' event")));
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return v8::Null(isolate);
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}
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return gin::CreateHandle(isolate, new PowerMonitor(isolate)).ToV8();
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}
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// static
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void PowerMonitor::BuildPrototype(v8::Isolate* isolate,
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v8::Local<v8::FunctionTemplate> prototype) {
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prototype->SetClassName(gin::StringToV8(isolate, "PowerMonitor"));
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gin_helper::Destroyable::MakeDestroyable(isolate, prototype);
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gin_helper::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
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#if defined(OS_LINUX)
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.SetMethod("blockShutdown", &PowerMonitor::BlockShutdown)
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.SetMethod("unblockShutdown", &PowerMonitor::UnblockShutdown)
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#endif
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.SetMethod("getSystemIdleState", &PowerMonitor::GetSystemIdleState)
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.SetMethod("getSystemIdleTime", &PowerMonitor::GetSystemIdleTime);
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}
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} // namespace api
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} // namespace electron
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namespace {
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using electron::api::PowerMonitor;
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void Initialize(v8::Local<v8::Object> exports,
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v8::Local<v8::Value> unused,
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v8::Local<v8::Context> context,
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void* priv) {
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v8::Isolate* isolate = context->GetIsolate();
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gin::Dictionary dict(isolate, exports);
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dict.Set("createPowerMonitor", base::BindRepeating(&PowerMonitor::Create));
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dict.Set("PowerMonitor", PowerMonitor::GetConstructor(isolate)
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->GetFunction(context)
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.ToLocalChecked());
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}
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} // namespace
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NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_power_monitor, Initialize)
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