Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* 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,
#include "Hal.h"
#include "HalLog.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/hal_sandbox/PHalChild.h"
#include "mozilla/hal_sandbox/PHalParent.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/BrowserChild.h"
#include "mozilla/EnumeratedRange.h"
#include "mozilla/HalWakeLock.h"
#include "mozilla/Observer.h"
#include "mozilla/Unused.h"
#include "WindowIdentifier.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::hal;
namespace mozilla {
namespace hal_sandbox {
static bool sHalChildDestroyed = false;
bool HalChildDestroyed() { return sHalChildDestroyed; }
static PHalChild* sHal;
static PHalChild* Hal() {
if (!sHal) {
sHal = ContentChild::GetSingleton()->SendPHalConstructor();
}
return sHal;
}
void Vibrate(const nsTArray<uint32_t>& pattern, WindowIdentifier&& id) {
HAL_LOG("Vibrate: Sending to parent process.");
WindowIdentifier newID(std::move(id));
newID.AppendProcessID();
if (BrowserChild* bc = BrowserChild::GetFrom(newID.GetWindow())) {
Hal()->SendVibrate(pattern, newID.AsArray(), WrapNotNull(bc));
}
}
void CancelVibrate(WindowIdentifier&& id) {
HAL_LOG("CancelVibrate: Sending to parent process.");
WindowIdentifier newID(std::move(id));
newID.AppendProcessID();
if (BrowserChild* bc = BrowserChild::GetFrom(newID.GetWindow())) {
Hal()->SendCancelVibrate(newID.AsArray(), WrapNotNull(bc));
}
}
void EnableBatteryNotifications() { Hal()->SendEnableBatteryNotifications(); }
void DisableBatteryNotifications() { Hal()->SendDisableBatteryNotifications(); }
void GetCurrentBatteryInformation(BatteryInformation* aBatteryInfo) {
Hal()->SendGetCurrentBatteryInformation(aBatteryInfo);
}
void EnableNetworkNotifications() { Hal()->SendEnableNetworkNotifications(); }
void DisableNetworkNotifications() { Hal()->SendDisableNetworkNotifications(); }
void GetCurrentNetworkInformation(NetworkInformation* aNetworkInfo) {
Hal()->SendGetCurrentNetworkInformation(aNetworkInfo);
}
RefPtr<GenericNonExclusivePromise> LockScreenOrientation(
const hal::ScreenOrientation& aOrientation) {
return Hal()
->SendLockScreenOrientation(aOrientation)
->Then(GetCurrentSerialEventTarget(), __func__,
[](const mozilla::MozPromise<nsresult, ipc::ResponseRejectReason,
true>::ResolveOrRejectValue& aValue) {
if (aValue.IsResolve()) {
if (NS_SUCCEEDED(aValue.ResolveValue())) {
return GenericNonExclusivePromise::CreateAndResolve(
true, __func__);
}
return GenericNonExclusivePromise::CreateAndReject(
aValue.ResolveValue(), __func__);
}
return GenericNonExclusivePromise::CreateAndReject(
NS_ERROR_FAILURE, __func__);
});
}
void UnlockScreenOrientation() { Hal()->SendUnlockScreenOrientation(); }
void EnableSensorNotifications(SensorType aSensor) {
Hal()->SendEnableSensorNotifications(aSensor);
}
void DisableSensorNotifications(SensorType aSensor) {
Hal()->SendDisableSensorNotifications(aSensor);
}
void EnableWakeLockNotifications() { Hal()->SendEnableWakeLockNotifications(); }
void DisableWakeLockNotifications() {
Hal()->SendDisableWakeLockNotifications();
}
void ModifyWakeLock(const nsAString& aTopic, WakeLockControl aLockAdjust,
WakeLockControl aHiddenAdjust) {
Hal()->SendModifyWakeLock(aTopic, aLockAdjust, aHiddenAdjust);
}
void GetWakeLockInfo(const nsAString& aTopic,
WakeLockInformation* aWakeLockInfo) {
Hal()->SendGetWakeLockInfo(aTopic, aWakeLockInfo);
}
bool EnableAlarm() {
MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
}
void DisableAlarm() {
MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
}
bool SetAlarm(int32_t aSeconds, int32_t aNanoseconds) {
MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
}
void SetProcessPriority(int aPid, ProcessPriority aPriority) {
MOZ_CRASH("Only the main process may set processes' priorities.");
}
class HalParent : public PHalParent,
public BatteryObserver,
public NetworkObserver,
public ISensorObserver,
public WakeLockObserver {
public:
virtual void ActorDestroy(ActorDestroyReason aWhy) override {
// NB: you *must* unconditionally unregister your observer here,
// if it *may* be registered below.
hal::UnregisterBatteryObserver(this);
hal::UnregisterNetworkObserver(this);
for (auto sensor : MakeEnumeratedRange(NUM_SENSOR_TYPE)) {
hal::UnregisterSensorObserver(sensor, this);
}
hal::UnregisterWakeLockObserver(this);
}
virtual mozilla::ipc::IPCResult RecvVibrate(
nsTArray<unsigned int>&& pattern, nsTArray<uint64_t>&& id,
NotNull<PBrowserParent*> browserParent) override {
// We give all content vibration permission.
// BrowserParent *browserParent = BrowserParent::GetFrom(browserParent);
/* xxxkhuey wtf
nsCOMPtr<nsIDOMWindow> window =
do_QueryInterface(browserParent->GetBrowserDOMWindow());
*/
hal::Vibrate(pattern, WindowIdentifier(std::move(id), nullptr));
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvCancelVibrate(
nsTArray<uint64_t>&& id,
NotNull<PBrowserParent*> browserParent) override {
// BrowserParent *browserParent = BrowserParent::GetFrom(browserParent);
/* XXXkhuey wtf
nsCOMPtr<nsIDOMWindow> window =
browserParent->GetBrowserDOMWindow();
*/
hal::CancelVibrate(WindowIdentifier(std::move(id), nullptr));
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvEnableBatteryNotifications() override {
// We give all content battery-status permission.
hal::RegisterBatteryObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvDisableBatteryNotifications() override {
hal::UnregisterBatteryObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvGetCurrentBatteryInformation(
BatteryInformation* aBatteryInfo) override {
// We give all content battery-status permission.
hal::GetCurrentBatteryInformation(aBatteryInfo);
return IPC_OK();
}
void Notify(const BatteryInformation& aBatteryInfo) override {
Unused << SendNotifyBatteryChange(aBatteryInfo);
}
virtual mozilla::ipc::IPCResult RecvEnableNetworkNotifications() override {
// We give all content access to this network-status information.
hal::RegisterNetworkObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvDisableNetworkNotifications() override {
hal::UnregisterNetworkObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvGetCurrentNetworkInformation(
NetworkInformation* aNetworkInfo) override {
hal::GetCurrentNetworkInformation(aNetworkInfo);
return IPC_OK();
}
void Notify(const NetworkInformation& aNetworkInfo) override {
Unused << SendNotifyNetworkChange(aNetworkInfo);
}
virtual mozilla::ipc::IPCResult RecvLockScreenOrientation(
const ScreenOrientation& aOrientation,
LockScreenOrientationResolver&& aResolve) override {
// orientation while fullscreen. We should check whether the
// request comes from an actor in a process that might be
// fullscreen. We don't have that information currently.
hal::LockScreenOrientation(aOrientation)
->Then(
GetMainThreadSerialEventTarget(), __func__,
[aResolve](const GenericNonExclusivePromise::ResolveOrRejectValue&
aValue) {
if (aValue.IsResolve()) {
MOZ_ASSERT(aValue.ResolveValue());
aResolve(NS_OK);
return;
}
aResolve(aValue.RejectValue());
});
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvUnlockScreenOrientation() override {
hal::UnlockScreenOrientation();
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvEnableSensorNotifications(
const SensorType& aSensor) override {
// We currently allow any content to register device-sensor
// listeners.
hal::RegisterSensorObserver(aSensor, this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvDisableSensorNotifications(
const SensorType& aSensor) override {
hal::UnregisterSensorObserver(aSensor, this);
return IPC_OK();
}
void Notify(const SensorData& aSensorData) override {
Unused << SendNotifySensorChange(aSensorData);
}
virtual mozilla::ipc::IPCResult RecvModifyWakeLock(
const nsAString& aTopic, const WakeLockControl& aLockAdjust,
const WakeLockControl& aHiddenAdjust) override {
// We allow arbitrary content to use wake locks.
uint64_t id = static_cast<ContentParent*>(Manager())->ChildID();
hal_impl::ModifyWakeLockWithChildID(aTopic, aLockAdjust, aHiddenAdjust, id);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvEnableWakeLockNotifications() override {
// We allow arbitrary content to use wake locks.
hal::RegisterWakeLockObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvDisableWakeLockNotifications() override {
hal::UnregisterWakeLockObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvGetWakeLockInfo(
const nsAString& aTopic, WakeLockInformation* aWakeLockInfo) override {
hal::GetWakeLockInfo(aTopic, aWakeLockInfo);
return IPC_OK();
}
void Notify(const WakeLockInformation& aWakeLockInfo) override {
Unused << SendNotifyWakeLockChange(aWakeLockInfo);
}
};
class HalChild : public PHalChild {
public:
virtual void ActorDestroy(ActorDestroyReason aWhy) override {
sHalChildDestroyed = true;
}
virtual mozilla::ipc::IPCResult RecvNotifyBatteryChange(
const BatteryInformation& aBatteryInfo) override {
hal::NotifyBatteryChange(aBatteryInfo);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvNotifySensorChange(
const hal::SensorData& aSensorData) override;
virtual mozilla::ipc::IPCResult RecvNotifyNetworkChange(
const NetworkInformation& aNetworkInfo) override {
hal::NotifyNetworkChange(aNetworkInfo);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult RecvNotifyWakeLockChange(
const WakeLockInformation& aWakeLockInfo) override {
hal::NotifyWakeLockChange(aWakeLockInfo);
return IPC_OK();
}
};
mozilla::ipc::IPCResult HalChild::RecvNotifySensorChange(
const hal::SensorData& aSensorData) {
hal::NotifySensorChange(aSensorData);
return IPC_OK();
}
PHalChild* CreateHalChild() { return new HalChild(); }
PHalParent* CreateHalParent() { return new HalParent(); }
} // namespace hal_sandbox
} // namespace mozilla