Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 247 insertions, 0 deletions

diff --git a/hal/Hal.h b/hal/Hal.h
new file mode 100644
index 0000000000..7125370057
--- /dev/null
+++ b/hal/Hal.h
@@ -0,0 +1,247 @@
+/* -*- 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/. */
+
+#ifndef mozilla_Hal_h
+#define mozilla_Hal_h
+
+#include "nsTArray.h"
+#include "mozilla/hal_sandbox/PHal.h"
+#include "mozilla/HalScreenConfiguration.h"
+#include "mozilla/HalBatteryInformation.h"
+#include "mozilla/HalNetworkInformation.h"
+#include "mozilla/HalWakeLockInformation.h"
+#include "mozilla/HalTypes.h"
+#include "mozilla/MozPromise.h"
+
+#include <cstdint>
+
+/*
+ * Hal.h contains the public Hal API.
+ *
+ * By default, this file defines its functions in the hal namespace, but if
+ * MOZ_HAL_NAMESPACE is defined, we'll define our functions in that namespace.
+ *
+ * This is used by HalImpl.h and HalSandbox.h, which define copies of all the
+ * functions here in the hal_impl and hal_sandbox namespaces.
+ */
+
+class nsPIDOMWindowInner;
+
+#ifndef MOZ_HAL_NAMESPACE
+#  define MOZ_HAL_NAMESPACE hal
+#  define MOZ_DEFINED_HAL_NAMESPACE 1
+#endif
+
+namespace mozilla {
+
+namespace hal {
+
+class WindowIdentifier;
+
+}  // namespace hal
+
+namespace MOZ_HAL_NAMESPACE {
+
+/**
+ * Initializes the HAL. This must be called before any other HAL function.
+ */
+void Init();
+
+/**
+ * Shuts down the HAL. Besides freeing all the used resources this will check
+ * that all observers have been properly deregistered and assert if not.
+ */
+void Shutdown();
+
+/**
+ * Turn the default vibrator device on/off per the pattern specified
+ * by |pattern|.  Each element in the pattern is the number of
+ * milliseconds to turn the vibrator on or off.  The first element in
+ * |pattern| is an "on" element, the next is "off", and so on.
+ *
+ * If |pattern| is empty, any in-progress vibration is canceled.
+ *
+ * Only an active window within an active tab may call Vibrate; calls
+ * from inactive windows and windows on inactive tabs do nothing.
+ *
+ * If you're calling hal::Vibrate from the outside world, pass an
+ * nsIDOMWindow* in place of the WindowIdentifier parameter.
+ * The method with WindowIdentifier will be called automatically.
+ */
+void Vibrate(const nsTArray<uint32_t>& pattern, nsPIDOMWindowInner* aWindow);
+void Vibrate(const nsTArray<uint32_t>& pattern, hal::WindowIdentifier&& id);
+
+/**
+ * Cancel a vibration started by the content window identified by
+ * WindowIdentifier.
+ *
+ * If the window was the last window to start a vibration, the
+ * cancellation request will go through even if the window is not
+ * active.
+ *
+ * As with hal::Vibrate(), if you're calling hal::CancelVibrate from the outside
+ * world, pass an nsIDOMWindow*. The method with WindowIdentifier will be called
+ * automatically.
+ */
+void CancelVibrate(nsPIDOMWindowInner* aWindow);
+void CancelVibrate(hal::WindowIdentifier&& id);
+
+#define MOZ_DEFINE_HAL_OBSERVER(name_)                             \
+  /**                                                              \
+   * Inform the backend there is a new |name_| observer.           \
+   * @param aObserver The observer that should be added.           \
+   */                                                              \
+  void Register##name_##Observer(hal::name_##Observer* aObserver); \
+  /**                                                              \
+   * Inform the backend a |name_| observer unregistered.           \
+   * @param aObserver The observer that should be removed.         \
+   */                                                              \
+  void Unregister##name_##Observer(hal::name_##Observer* aObserver);
+
+MOZ_DEFINE_HAL_OBSERVER(Battery);
+
+/**
+ * Returns the current battery information.
+ */
+void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
+
+/**
+ * Notify of a change in the battery state.
+ * @param aBatteryInfo The new battery information.
+ */
+void NotifyBatteryChange(const hal::BatteryInformation& aBatteryInfo);
+
+/**
+ * Register an observer for the sensor of given type.
+ *
+ * The observer will receive data whenever the data generated by the
+ * sensor is avaiable.
+ */
+void RegisterSensorObserver(hal::SensorType aSensor,
+                            hal::ISensorObserver* aObserver);
+
+/**
+ * Unregister an observer for the sensor of given type.
+ */
+void UnregisterSensorObserver(hal::SensorType aSensor,
+                              hal::ISensorObserver* aObserver);
+
+/**
+ * Post a value generated by a sensor.
+ *
+ * This API is internal to hal; clients shouldn't call it directly.
+ */
+void NotifySensorChange(const hal::SensorData& aSensorData);
+
+/**
+ * Enable sensor notifications from the backend
+ *
+ * This method is only visible from implementation of sensor manager.
+ * Rest of the system should not try this.
+ */
+void EnableSensorNotifications(hal::SensorType aSensor);
+
+/**
+ * Disable sensor notifications from the backend
+ *
+ * This method is only visible from implementation of sensor manager.
+ * Rest of the system should not try this.
+ */
+void DisableSensorNotifications(hal::SensorType aSensor);
+
+MOZ_DEFINE_HAL_OBSERVER(Network);
+
+/**
+ * Returns the current network information.
+ */
+void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
+
+/**
+ * Notify of a change in the network state.
+ * @param aNetworkInfo The new network information.
+ */
+void NotifyNetworkChange(const hal::NetworkInformation& aNetworkInfo);
+
+/**
+ * Enable wake lock notifications from the backend.
+ *
+ * This method is only used by WakeLockObserversManager.
+ */
+void EnableWakeLockNotifications();
+
+/**
+ * Disable wake lock notifications from the backend.
+ *
+ * This method is only used by WakeLockObserversManager.
+ */
+void DisableWakeLockNotifications();
+
+MOZ_DEFINE_HAL_OBSERVER(WakeLock);
+
+/**
+ * Adjust a wake lock's counts on behalf of a given process.
+ *
+ * In most cases, you shouldn't need to pass the aProcessID argument; the
+ * default of CONTENT_PROCESS_ID_UNKNOWN is probably what you want.
+ *
+ * @param aTopic        lock topic
+ * @param aLockAdjust   to increase or decrease active locks
+ * @param aHiddenAdjust to increase or decrease hidden locks
+ * @param aProcessID    indicates which process we're modifying the wake lock
+ *                      on behalf of.  It is interpreted as
+ *
+ *                      CONTENT_PROCESS_ID_UNKNOWN: The current process
+ *                      CONTENT_PROCESS_ID_MAIN: The root process
+ *                      X: The process with ContentChild::GetID() == X
+ */
+void ModifyWakeLock(const nsAString& aTopic, hal::WakeLockControl aLockAdjust,
+                    hal::WakeLockControl aHiddenAdjust,
+                    uint64_t aProcessID = hal::CONTENT_PROCESS_ID_UNKNOWN);
+
+/**
+ * Query the wake lock numbers of aTopic.
+ * @param aTopic        lock topic
+ * @param aWakeLockInfo wake lock numbers
+ */
+void GetWakeLockInfo(const nsAString& aTopic,
+                     hal::WakeLockInformation* aWakeLockInfo);
+
+/**
+ * Notify of a change in the wake lock state.
+ * @param aWakeLockInfo The new wake lock information.
+ */
+void NotifyWakeLockChange(const hal::WakeLockInformation& aWakeLockInfo);
+
+/**
+ * Lock the screen orientation to the specific orientation.
+ * @return A promise indicating that the screen orientation has been locked.
+ */
+[[nodiscard]] RefPtr<GenericNonExclusivePromise> LockScreenOrientation(
+    const hal::ScreenOrientation& aOrientation);
+
+/**
+ * Unlock the screen orientation.
+ */
+void UnlockScreenOrientation();
+
+/**
+ * Set the priority of the given process.
+ *
+ * Exactly what this does will vary between platforms.  On *nix we might give
+ * background processes higher nice values.  On other platforms, we might
+ * ignore this call entirely.
+ */
+void SetProcessPriority(int aPid, hal::ProcessPriority aPriority);
+
+}  // namespace MOZ_HAL_NAMESPACE
+}  // namespace mozilla
+
+#ifdef MOZ_DEFINED_HAL_NAMESPACE
+#  undef MOZ_DEFINED_HAL_NAMESPACE
+#  undef MOZ_HAL_NAMESPACE
+#endif
+
+#endif  // mozilla_Hal_h