gecko-dev/hal/sandbox/SandboxHal.cpp

455 строки
12 KiB
C++

/* -*- 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,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#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/TabParent.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/fallback/FallbackScreenConfiguration.h"
#include "mozilla/EnumeratedRange.h"
#include "mozilla/Observer.h"
#include "mozilla/Unused.h"
#include "nsAutoPtr.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, const WindowIdentifier &id)
{
HAL_LOG("Vibrate: Sending to parent process.");
AutoTArray<uint32_t, 8> p(pattern);
WindowIdentifier newID(id);
newID.AppendProcessID();
Hal()->SendVibrate(p, newID.AsArray(), TabChild::GetFrom(newID.GetWindow()));
}
void
CancelVibrate(const WindowIdentifier &id)
{
HAL_LOG("CancelVibrate: Sending to parent process.");
WindowIdentifier newID(id);
newID.AppendProcessID();
Hal()->SendCancelVibrate(newID.AsArray(), TabChild::GetFrom(newID.GetWindow()));
}
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);
}
void
EnableScreenConfigurationNotifications()
{
Hal()->SendEnableScreenConfigurationNotifications();
}
void
DisableScreenConfigurationNotifications()
{
Hal()->SendDisableScreenConfigurationNotifications();
}
void
GetCurrentScreenConfiguration(ScreenConfiguration* aScreenConfiguration)
{
fallback::GetCurrentScreenConfiguration(aScreenConfiguration);
}
bool
LockScreenOrientation(const ScreenOrientation& aOrientation)
{
bool allowed;
Hal()->SendLockScreenOrientation(aOrientation, &allowed);
return allowed;
}
void
UnlockScreenOrientation()
{
// Don't send this message from both the middleman and recording processes.
if (!recordreplay::IsMiddleman()) {
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,
uint64_t aProcessID)
{
MOZ_ASSERT(aProcessID != CONTENT_PROCESS_ID_UNKNOWN);
Hal()->SendModifyWakeLock(nsString(aTopic), aLockAdjust, aHiddenAdjust, aProcessID);
}
void
GetWakeLockInfo(const nsAString &aTopic, WakeLockInformation *aWakeLockInfo)
{
Hal()->SendGetWakeLockInfo(nsString(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.");
}
bool
SetProcessPrioritySupported()
{
MOZ_CRASH("Only the main process may call SetProcessPrioritySupported().");
}
class HalParent : public PHalParent
, public BatteryObserver
, public NetworkObserver
, public ISensorObserver
, public WakeLockObserver
, public ScreenConfigurationObserver
{
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);
hal::UnregisterScreenConfigurationObserver(this);
for (auto sensor : MakeEnumeratedRange(NUM_SENSOR_TYPE)) {
hal::UnregisterSensorObserver(sensor, this);
}
hal::UnregisterWakeLockObserver(this);
}
virtual mozilla::ipc::IPCResult
RecvVibrate(InfallibleTArray<unsigned int>&& pattern,
InfallibleTArray<uint64_t>&& id,
PBrowserParent *browserParent) override
{
// We give all content vibration permission.
// TabParent *tabParent = TabParent::GetFrom(browserParent);
/* xxxkhuey wtf
nsCOMPtr<nsIDOMWindow> window =
do_QueryInterface(tabParent->GetBrowserDOMWindow());
*/
WindowIdentifier newID(id, nullptr);
hal::Vibrate(pattern, newID);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult
RecvCancelVibrate(InfallibleTArray<uint64_t> &&id,
PBrowserParent *browserParent) override
{
//TabParent *tabParent = TabParent::GetFrom(browserParent);
/* XXXkhuey wtf
nsCOMPtr<nsIDOMWindow> window =
tabParent->GetBrowserDOMWindow();
*/
WindowIdentifier newID(id, nullptr);
hal::CancelVibrate(newID);
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
RecvEnableScreenConfigurationNotifications() override {
// Screen configuration is used to implement CSS and DOM
// properties, so all content already has access to this.
hal::RegisterScreenConfigurationObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult
RecvDisableScreenConfigurationNotifications() override {
hal::UnregisterScreenConfigurationObserver(this);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult
RecvLockScreenOrientation(const ScreenOrientation& aOrientation, bool* aAllowed) override
{
// FIXME/bug 777980: unprivileged content may only lock
// 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.
*aAllowed = hal::LockScreenOrientation(aOrientation);
return IPC_OK();
}
virtual mozilla::ipc::IPCResult
RecvUnlockScreenOrientation() override
{
hal::UnlockScreenOrientation();
return IPC_OK();
}
void Notify(const ScreenConfiguration& aScreenConfiguration) override {
Unused << SendNotifyScreenConfigurationChange(aScreenConfiguration);
}
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 nsString& aTopic,
const WakeLockControl& aLockAdjust,
const WakeLockControl& aHiddenAdjust,
const uint64_t& aProcessID) override
{
MOZ_ASSERT(aProcessID != CONTENT_PROCESS_ID_UNKNOWN);
// We allow arbitrary content to use wake locks.
hal::ModifyWakeLock(aTopic, aLockAdjust, aHiddenAdjust, aProcessID);
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 nsString &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();
}
virtual mozilla::ipc::IPCResult
RecvNotifyScreenConfigurationChange(const ScreenConfiguration& aScreenConfiguration) override {
hal::NotifyScreenConfigurationChange(aScreenConfiguration);
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