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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/PowerManager.h"
#include "mozilla/Hal.h"
#include "WakeLock.h"
#include "nsDOMClassInfoID.h"
#include "nsIDOMWakeLockListener.h"
#include "nsIDocument.h"
#include "nsIPermissionManager.h"
#include "nsIPowerManagerService.h"
#include "nsIPrincipal.h"
#include "nsPIDOMWindow.h"
#include "nsServiceManagerUtils.h"
#include "nsError.h"
#include "mozilla/dom/MozPowerManagerBinding.h"
#include "mozilla/Services.h"
namespace mozilla {
namespace dom {
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PowerManager)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsIDOMMozWakeLockListener)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PowerManager, mListeners, mWindow)
NS_IMPL_CYCLE_COLLECTING_ADDREF(PowerManager)
NS_IMPL_CYCLE_COLLECTING_RELEASE(PowerManager)
/* virtual */ JSObject*
PowerManager::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return MozPowerManagerBinding::Wrap(aCx, this, aGivenProto);
}
nsresult
PowerManager::Init(nsPIDOMWindowInner* aWindow)
{
mWindow = aWindow;
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
NS_ENSURE_STATE(pmService);
// Add ourself to the global notification list.
pmService->AddWakeLockListener(this);
return NS_OK;
}
nsresult
PowerManager::Shutdown()
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
NS_ENSURE_STATE(pmService);
// Remove ourself from the global notification list.
pmService->RemoveWakeLockListener(this);
return NS_OK;
}
void
PowerManager::Reboot(ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
pmService->Reboot();
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
void
PowerManager::FactoryReset(mozilla::dom::FactoryResetReason& aReason)
{
hal::FactoryReset(aReason);
}
void
PowerManager::PowerOff(ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
pmService->PowerOff();
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
void
PowerManager::AddWakeLockListener(nsIDOMMozWakeLockListener *aListener)
{
if (!mListeners.Contains(aListener)) {
mListeners.AppendElement(aListener);
}
}
void
PowerManager::RemoveWakeLockListener(nsIDOMMozWakeLockListener *aListener)
{
mListeners.RemoveElement(aListener);
}
void
PowerManager::GetWakeLockState(const nsAString& aTopic,
nsAString& aState,
ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
aRv = pmService->GetWakeLockState(aTopic, aState);
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
NS_IMETHODIMP
PowerManager::Callback(const nsAString &aTopic, const nsAString &aState)
{
/**
* We maintain a local listener list instead of using the global
* list so that when the window is destroyed we don't have to
* cleanup the mess.
* Copy the listeners list before we walk through the callbacks
* because the callbacks may install new listeners. We expect no
* more than one listener per window, so it shouldn't be too long.
*/
AutoTArray<nsCOMPtr<nsIDOMMozWakeLockListener>, 2> listeners(mListeners);
for (uint32_t i = 0; i < listeners.Length(); ++i) {
listeners[i]->Callback(aTopic, aState);
}
return NS_OK;
}
bool
PowerManager::ScreenEnabled()
{
return hal::GetScreenEnabled();
}
void
PowerManager::SetScreenEnabled(bool aEnabled)
{
hal::SetScreenEnabled(aEnabled);
}
bool
PowerManager::KeyLightEnabled()
{
return hal::GetKeyLightEnabled();
}
void
PowerManager::SetKeyLightEnabled(bool aEnabled)
{
hal::SetKeyLightEnabled(aEnabled);
}
double
PowerManager::ScreenBrightness()
{
return hal::GetScreenBrightness();
}
void
PowerManager::SetScreenBrightness(double aBrightness, ErrorResult& aRv)
{
if (0 <= aBrightness && aBrightness <= 1) {
hal::SetScreenBrightness(aBrightness);
} else {
aRv.Throw(NS_ERROR_INVALID_ARG);
}
}
bool
PowerManager::CpuSleepAllowed()
{
return hal::GetCpuSleepAllowed();
}
void
PowerManager::SetCpuSleepAllowed(bool aAllowed)
{
hal::SetCpuSleepAllowed(aAllowed);
}
already_AddRefed<PowerManager>
PowerManager::CreateInstance(nsPIDOMWindowInner* aWindow)
{
RefPtr<PowerManager> powerManager = new PowerManager();
if (NS_FAILED(powerManager->Init(aWindow))) {
powerManager = nullptr;
}
return powerManager.forget();
}
} // namespace dom
} // namespace mozilla
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