зеркало из https://github.com/mozilla/gecko-dev.git
356 строки
11 KiB
C++
356 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Hal.h"
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#include "HalLog.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/hal_sandbox/PHalChild.h"
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#include "mozilla/hal_sandbox/PHalParent.h"
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#include "mozilla/dom/BrowserParent.h"
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#include "mozilla/dom/BrowserChild.h"
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#include "mozilla/fallback/FallbackScreenConfiguration.h"
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#include "mozilla/EnumeratedRange.h"
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#include "mozilla/Observer.h"
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#include "mozilla/Unused.h"
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#include "WindowIdentifier.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::hal;
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namespace mozilla {
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namespace hal_sandbox {
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static bool sHalChildDestroyed = false;
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bool HalChildDestroyed() { return sHalChildDestroyed; }
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static PHalChild* sHal;
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static PHalChild* Hal() {
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if (!sHal) {
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sHal = ContentChild::GetSingleton()->SendPHalConstructor();
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}
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return sHal;
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}
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void Vibrate(const nsTArray<uint32_t>& pattern, WindowIdentifier&& id) {
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HAL_LOG("Vibrate: Sending to parent process.");
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WindowIdentifier newID(std::move(id));
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newID.AppendProcessID();
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Hal()->SendVibrate(pattern, newID.AsArray(),
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BrowserChild::GetFrom(newID.GetWindow()));
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}
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void CancelVibrate(WindowIdentifier&& id) {
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HAL_LOG("CancelVibrate: Sending to parent process.");
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WindowIdentifier newID(std::move(id));
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newID.AppendProcessID();
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Hal()->SendCancelVibrate(newID.AsArray(),
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BrowserChild::GetFrom(newID.GetWindow()));
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}
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void EnableBatteryNotifications() { Hal()->SendEnableBatteryNotifications(); }
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void DisableBatteryNotifications() { Hal()->SendDisableBatteryNotifications(); }
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void GetCurrentBatteryInformation(BatteryInformation* aBatteryInfo) {
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Hal()->SendGetCurrentBatteryInformation(aBatteryInfo);
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}
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void EnableNetworkNotifications() { Hal()->SendEnableNetworkNotifications(); }
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void DisableNetworkNotifications() { Hal()->SendDisableNetworkNotifications(); }
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void GetCurrentNetworkInformation(NetworkInformation* aNetworkInfo) {
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Hal()->SendGetCurrentNetworkInformation(aNetworkInfo);
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}
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void EnableScreenConfigurationNotifications() {
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Hal()->SendEnableScreenConfigurationNotifications();
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}
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void DisableScreenConfigurationNotifications() {
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Hal()->SendDisableScreenConfigurationNotifications();
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}
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void GetCurrentScreenConfiguration(ScreenConfiguration* aScreenConfiguration) {
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fallback::GetCurrentScreenConfiguration(aScreenConfiguration);
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}
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bool LockScreenOrientation(const hal::ScreenOrientation& aOrientation) {
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bool allowed;
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Hal()->SendLockScreenOrientation(aOrientation, &allowed);
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return allowed;
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}
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void UnlockScreenOrientation() { Hal()->SendUnlockScreenOrientation(); }
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void EnableSensorNotifications(SensorType aSensor) {
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Hal()->SendEnableSensorNotifications(aSensor);
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}
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void DisableSensorNotifications(SensorType aSensor) {
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Hal()->SendDisableSensorNotifications(aSensor);
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}
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void EnableWakeLockNotifications() { Hal()->SendEnableWakeLockNotifications(); }
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void DisableWakeLockNotifications() {
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Hal()->SendDisableWakeLockNotifications();
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}
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void ModifyWakeLock(const nsAString& aTopic, WakeLockControl aLockAdjust,
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WakeLockControl aHiddenAdjust, uint64_t aProcessID) {
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MOZ_ASSERT(aProcessID != CONTENT_PROCESS_ID_UNKNOWN);
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Hal()->SendModifyWakeLock(nsString(aTopic), aLockAdjust, aHiddenAdjust,
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aProcessID);
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}
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void GetWakeLockInfo(const nsAString& aTopic,
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WakeLockInformation* aWakeLockInfo) {
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Hal()->SendGetWakeLockInfo(nsString(aTopic), aWakeLockInfo);
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}
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bool EnableAlarm() {
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MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
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}
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void DisableAlarm() {
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MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
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}
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bool SetAlarm(int32_t aSeconds, int32_t aNanoseconds) {
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MOZ_CRASH("Alarms can't be programmed from sandboxed contexts. Yet.");
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}
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void SetProcessPriority(int aPid, ProcessPriority aPriority) {
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MOZ_CRASH("Only the main process may set processes' priorities.");
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}
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bool SetProcessPrioritySupported() {
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MOZ_CRASH("Only the main process may call SetProcessPrioritySupported().");
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}
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class HalParent : public PHalParent,
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public BatteryObserver,
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public NetworkObserver,
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public ISensorObserver,
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public WakeLockObserver,
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public ScreenConfigurationObserver {
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public:
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virtual void ActorDestroy(ActorDestroyReason aWhy) override {
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// NB: you *must* unconditionally unregister your observer here,
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// if it *may* be registered below.
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hal::UnregisterBatteryObserver(this);
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hal::UnregisterNetworkObserver(this);
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hal::UnregisterScreenConfigurationObserver(this);
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for (auto sensor : MakeEnumeratedRange(NUM_SENSOR_TYPE)) {
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hal::UnregisterSensorObserver(sensor, this);
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}
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hal::UnregisterWakeLockObserver(this);
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}
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virtual mozilla::ipc::IPCResult RecvVibrate(
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nsTArray<unsigned int>&& pattern, nsTArray<uint64_t>&& id,
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PBrowserParent* browserParent) override {
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// We give all content vibration permission.
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// BrowserParent *browserParent = BrowserParent::GetFrom(browserParent);
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/* xxxkhuey wtf
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nsCOMPtr<nsIDOMWindow> window =
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do_QueryInterface(browserParent->GetBrowserDOMWindow());
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*/
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hal::Vibrate(pattern, WindowIdentifier(std::move(id), nullptr));
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvCancelVibrate(
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nsTArray<uint64_t>&& id, PBrowserParent* browserParent) override {
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// BrowserParent *browserParent = BrowserParent::GetFrom(browserParent);
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/* XXXkhuey wtf
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nsCOMPtr<nsIDOMWindow> window =
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browserParent->GetBrowserDOMWindow();
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*/
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hal::CancelVibrate(WindowIdentifier(std::move(id), nullptr));
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvEnableBatteryNotifications() override {
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// We give all content battery-status permission.
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hal::RegisterBatteryObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvDisableBatteryNotifications() override {
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hal::UnregisterBatteryObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvGetCurrentBatteryInformation(
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BatteryInformation* aBatteryInfo) override {
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// We give all content battery-status permission.
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hal::GetCurrentBatteryInformation(aBatteryInfo);
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return IPC_OK();
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}
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void Notify(const BatteryInformation& aBatteryInfo) override {
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Unused << SendNotifyBatteryChange(aBatteryInfo);
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}
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virtual mozilla::ipc::IPCResult RecvEnableNetworkNotifications() override {
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// We give all content access to this network-status information.
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hal::RegisterNetworkObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvDisableNetworkNotifications() override {
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hal::UnregisterNetworkObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvGetCurrentNetworkInformation(
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NetworkInformation* aNetworkInfo) override {
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hal::GetCurrentNetworkInformation(aNetworkInfo);
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return IPC_OK();
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}
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void Notify(const NetworkInformation& aNetworkInfo) override {
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Unused << SendNotifyNetworkChange(aNetworkInfo);
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}
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virtual mozilla::ipc::IPCResult RecvEnableScreenConfigurationNotifications()
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override {
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// Screen configuration is used to implement CSS and DOM
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// properties, so all content already has access to this.
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hal::RegisterScreenConfigurationObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvDisableScreenConfigurationNotifications()
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override {
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hal::UnregisterScreenConfigurationObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvLockScreenOrientation(
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const ScreenOrientation& aOrientation, bool* aAllowed) override {
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// FIXME/bug 777980: unprivileged content may only lock
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// orientation while fullscreen. We should check whether the
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// request comes from an actor in a process that might be
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// fullscreen. We don't have that information currently.
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*aAllowed = hal::LockScreenOrientation(aOrientation);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvUnlockScreenOrientation() override {
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hal::UnlockScreenOrientation();
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return IPC_OK();
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}
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void Notify(const ScreenConfiguration& aScreenConfiguration) override {
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Unused << SendNotifyScreenConfigurationChange(aScreenConfiguration);
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}
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virtual mozilla::ipc::IPCResult RecvEnableSensorNotifications(
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const SensorType& aSensor) override {
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// We currently allow any content to register device-sensor
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// listeners.
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hal::RegisterSensorObserver(aSensor, this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvDisableSensorNotifications(
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const SensorType& aSensor) override {
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hal::UnregisterSensorObserver(aSensor, this);
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return IPC_OK();
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}
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void Notify(const SensorData& aSensorData) override {
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Unused << SendNotifySensorChange(aSensorData);
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}
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virtual mozilla::ipc::IPCResult RecvModifyWakeLock(
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const nsString& aTopic, const WakeLockControl& aLockAdjust,
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const WakeLockControl& aHiddenAdjust,
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const uint64_t& aProcessID) override {
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MOZ_ASSERT(aProcessID != CONTENT_PROCESS_ID_UNKNOWN);
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// We allow arbitrary content to use wake locks.
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hal::ModifyWakeLock(aTopic, aLockAdjust, aHiddenAdjust, aProcessID);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvEnableWakeLockNotifications() override {
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// We allow arbitrary content to use wake locks.
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hal::RegisterWakeLockObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvDisableWakeLockNotifications() override {
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hal::UnregisterWakeLockObserver(this);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvGetWakeLockInfo(
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const nsString& aTopic, WakeLockInformation* aWakeLockInfo) override {
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hal::GetWakeLockInfo(aTopic, aWakeLockInfo);
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return IPC_OK();
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}
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void Notify(const WakeLockInformation& aWakeLockInfo) override {
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Unused << SendNotifyWakeLockChange(aWakeLockInfo);
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}
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};
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class HalChild : public PHalChild {
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public:
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virtual void ActorDestroy(ActorDestroyReason aWhy) override {
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sHalChildDestroyed = true;
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}
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virtual mozilla::ipc::IPCResult RecvNotifyBatteryChange(
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const BatteryInformation& aBatteryInfo) override {
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hal::NotifyBatteryChange(aBatteryInfo);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvNotifySensorChange(
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const hal::SensorData& aSensorData) override;
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virtual mozilla::ipc::IPCResult RecvNotifyNetworkChange(
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const NetworkInformation& aNetworkInfo) override {
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hal::NotifyNetworkChange(aNetworkInfo);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvNotifyWakeLockChange(
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const WakeLockInformation& aWakeLockInfo) override {
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hal::NotifyWakeLockChange(aWakeLockInfo);
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return IPC_OK();
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}
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virtual mozilla::ipc::IPCResult RecvNotifyScreenConfigurationChange(
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const ScreenConfiguration& aScreenConfiguration) override {
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hal::NotifyScreenConfigurationChange(aScreenConfiguration);
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return IPC_OK();
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}
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};
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mozilla::ipc::IPCResult HalChild::RecvNotifySensorChange(
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const hal::SensorData& aSensorData) {
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hal::NotifySensorChange(aSensorData);
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return IPC_OK();
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}
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PHalChild* CreateHalChild() { return new HalChild(); }
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PHalParent* CreateHalParent() { return new HalParent(); }
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} // namespace hal_sandbox
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} // namespace mozilla
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