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378 lines
11 KiB
C++
378 lines
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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#ifndef mozilla_Hal_h
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#define mozilla_Hal_h
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#include "mozilla/hal_sandbox/PHal.h"
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#include "base/basictypes.h"
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#include "mozilla/Types.h"
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#include "nsTArray.h"
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#include "prlog.h"
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#include "mozilla/dom/battery/Types.h"
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#include "mozilla/dom/network/Types.h"
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#include "mozilla/dom/power/Types.h"
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#include "mozilla/hal_sandbox/PHal.h"
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#include "mozilla/dom/ScreenOrientation.h"
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/*
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* Hal.h contains the public Hal API.
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*
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* By default, this file defines its functions in the hal namespace, but if
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* MOZ_HAL_NAMESPACE is defined, we'll define our functions in that namespace.
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*
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* This is used by HalImpl.h and HalSandbox.h, which define copies of all the
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* functions here in the hal_impl and hal_sandbox namespaces.
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*/
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class nsIDOMWindow;
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#ifndef MOZ_HAL_NAMESPACE
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# define MOZ_HAL_NAMESPACE hal
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# define MOZ_DEFINED_HAL_NAMESPACE 1
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#endif
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namespace mozilla {
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template <class T>
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class Observer;
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namespace hal {
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typedef Observer<ScreenConfiguration> ScreenConfigurationObserver;
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class WindowIdentifier;
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extern PRLogModuleInfo *sHalLog;
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#define HAL_LOG(msg) PR_LOG(mozilla::hal::sHalLog, PR_LOG_DEBUG, msg)
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} // namespace hal
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namespace MOZ_HAL_NAMESPACE {
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/**
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* Turn the default vibrator device on/off per the pattern specified
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* by |pattern|. Each element in the pattern is the number of
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* milliseconds to turn the vibrator on or off. The first element in
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* |pattern| is an "on" element, the next is "off", and so on.
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*
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* If |pattern| is empty, any in-progress vibration is canceled.
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*
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* Only an active window within an active tab may call Vibrate; calls
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* from inactive windows and windows on inactive tabs do nothing.
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*
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* If you're calling hal::Vibrate from the outside world, pass an
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* nsIDOMWindow* in place of the WindowIdentifier parameter.
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* The method with WindowIdentifier will be called automatically.
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*/
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void Vibrate(const nsTArray<uint32_t>& pattern,
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nsIDOMWindow* aWindow);
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void Vibrate(const nsTArray<uint32_t>& pattern,
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const hal::WindowIdentifier &id);
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/**
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* Cancel a vibration started by the content window identified by
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* WindowIdentifier.
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*
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* If the window was the last window to start a vibration, the
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* cancellation request will go through even if the window is not
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* active.
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*
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* As with hal::Vibrate(), if you're calling hal::CancelVibrate from the outside
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* world, pass an nsIDOMWindow*. The method with WindowIdentifier will be called
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* automatically.
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*/
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void CancelVibrate(nsIDOMWindow* aWindow);
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void CancelVibrate(const hal::WindowIdentifier &id);
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/**
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* Inform the battery backend there is a new battery observer.
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* @param aBatteryObserver The observer that should be added.
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*/
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void RegisterBatteryObserver(BatteryObserver* aBatteryObserver);
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/**
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* Inform the battery backend a battery observer unregistered.
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* @param aBatteryObserver The observer that should be removed.
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*/
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void UnregisterBatteryObserver(BatteryObserver* aBatteryObserver);
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/**
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* Returns the current battery information.
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*/
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void GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo);
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/**
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* Notify of a change in the battery state.
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* @param aBatteryInfo The new battery information.
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*/
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void NotifyBatteryChange(const hal::BatteryInformation& aBatteryInfo);
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/**
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* Determine whether the device's screen is currently enabled.
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*/
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bool GetScreenEnabled();
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/**
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* Enable or disable the device's screen.
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*
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* Note that it may take a few seconds for the screen to turn on or off.
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*/
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void SetScreenEnabled(bool enabled);
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/**
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* Get the brightness of the device's screen's backlight, on a scale from 0
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* (very dim) to 1 (full blast).
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*
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* If the display is currently disabled, this returns the brightness the
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* backlight will have when the display is re-enabled.
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*/
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double GetScreenBrightness();
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/**
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* Set the brightness of the device's screen's backlight, on a scale from 0
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* (very dimm) to 1 (full blast). Values larger than 1 are treated like 1, and
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* values smaller than 0 are treated like 0.
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*
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* Note that we may reduce the resolution of the given brightness value before
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* sending it to the screen. Therefore if you call SetScreenBrightness(x)
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* followed by GetScreenBrightness(), the value returned by
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* GetScreenBrightness() may not be exactly x.
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*/
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void SetScreenBrightness(double brightness);
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/**
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* Determine whether the device is allowed to sleep.
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*/
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bool GetCpuSleepAllowed();
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/**
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* Set whether the device is allowed to suspend automatically after
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* the screen is disabled.
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*/
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void SetCpuSleepAllowed(bool allowed);
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/**
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* Set the value of a light to a particular color, with a specific flash pattern.
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* light specifices which light. See Hal.idl for the list of constants
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* mode specifies user set or based on ambient light sensor
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* flash specifies whether or how to flash the light
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* flashOnMS and flashOffMS specify the pattern for XXX flash mode
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* color specifies the color. If the light doesn't support color, the given color is
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* transformed into a brightness, or just an on/off if that is all the light is capable of.
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* returns true if successful and false if failed.
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*/
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bool SetLight(hal::LightType light, const hal::LightConfiguration& aConfig);
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/**
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* GET the value of a light returning a particular color, with a specific flash pattern.
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* returns true if successful and false if failed.
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*/
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bool GetLight(hal::LightType light, hal::LightConfiguration* aConfig);
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/**
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* Register an observer for the sensor of given type.
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*
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* The observer will receive data whenever the data generated by the
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* sensor is avaiable.
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*/
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void RegisterSensorObserver(hal::SensorType aSensor,
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hal::ISensorObserver *aObserver);
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/**
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* Unregister an observer for the sensor of given type.
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*/
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void UnregisterSensorObserver(hal::SensorType aSensor,
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hal::ISensorObserver *aObserver);
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/**
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* Post a value generated by a sensor.
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*
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* This API is internal to hal; clients shouldn't call it directly.
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*/
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void NotifySensorChange(const hal::SensorData &aSensorData);
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/**
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* Enable sensor notifications from the backend
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*
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* This method is only visible from implementation of sensor manager.
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* Rest of the system should not try this.
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*/
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void EnableSensorNotifications(hal::SensorType aSensor);
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/**
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* Disable sensor notifications from the backend
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*
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* This method is only visible from implementation of sensor manager.
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* Rest of the system should not try this.
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*/
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void DisableSensorNotifications(hal::SensorType aSensor);
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/**
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* Inform the network backend there is a new network observer.
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* @param aNetworkObserver The observer that should be added.
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*/
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void RegisterNetworkObserver(NetworkObserver* aNetworkObserver);
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/**
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* Inform the network backend a network observer unregistered.
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* @param aNetworkObserver The observer that should be removed.
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*/
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void UnregisterNetworkObserver(NetworkObserver* aNetworkObserver);
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/**
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* Returns the current network information.
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*/
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void GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo);
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/**
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* Notify of a change in the network state.
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* @param aNetworkInfo The new network information.
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*/
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void NotifyNetworkChange(const hal::NetworkInformation& aNetworkInfo);
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/**
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* Adjusting system clock.
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* @param aDeltaMilliseconds The difference compared with current system clock.
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*/
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void AdjustSystemClock(int32_t aDeltaMilliseconds);
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/**
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* Set timezone
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* @param aTimezoneSpec The definition can be found in
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* http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
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*/
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void SetTimezone(const nsCString& aTimezoneSpec);
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/**
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* Reboot the device.
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*/
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void Reboot();
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/**
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* Power off the device.
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*/
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void PowerOff();
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/**
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* Enable wake lock notifications from the backend.
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*
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* This method is only used by WakeLockObserversManager.
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*/
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void EnableWakeLockNotifications();
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/**
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* Disable wake lock notifications from the backend.
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*
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* This method is only used by WakeLockObserversManager.
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*/
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void DisableWakeLockNotifications();
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/**
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* Inform the wake lock backend there is a new wake lock observer.
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* @param aWakeLockObserver The observer that should be added.
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*/
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void RegisterWakeLockObserver(WakeLockObserver* aObserver);
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/**
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* Inform the wake lock backend a wake lock observer unregistered.
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* @param aWakeLockObserver The observer that should be removed.
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*/
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void UnregisterWakeLockObserver(WakeLockObserver* aObserver);
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/**
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* Adjust the internal wake lock counts.
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* @param aTopic lock topic
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* @param aLockAdjust to increase or decrease active locks
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* @param aHiddenAdjust to increase or decrease hidden locks
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*/
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void ModifyWakeLock(const nsAString &aTopic,
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hal::WakeLockControl aLockAdjust,
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hal::WakeLockControl aHiddenAdjust);
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/**
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* Query the wake lock numbers of aTopic.
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* @param aTopic lock topic
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* @param aWakeLockInfo wake lock numbers
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*/
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void GetWakeLockInfo(const nsAString &aTopic, hal::WakeLockInformation *aWakeLockInfo);
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/**
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* Notify of a change in the wake lock state.
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* @param aWakeLockInfo The new wake lock information.
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*/
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void NotifyWakeLockChange(const hal::WakeLockInformation& aWakeLockInfo);
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/**
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* Inform the backend there is a new screen configuration observer.
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* @param aScreenConfigurationObserver The observer that should be added.
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*/
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void RegisterScreenConfigurationObserver(hal::ScreenConfigurationObserver* aScreenConfigurationObserver);
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/**
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* Inform the backend a screen configuration observer unregistered.
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* @param aScreenConfigurationObserver The observer that should be removed.
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*/
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void UnregisterScreenConfigurationObserver(hal::ScreenConfigurationObserver* aScreenConfigurationObserver);
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/**
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* Returns the current screen configuration.
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*/
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void GetCurrentScreenConfiguration(hal::ScreenConfiguration* aScreenConfiguration);
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/**
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* Notify of a change in the screen configuration.
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* @param aScreenConfiguration The new screen orientation.
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*/
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void NotifyScreenConfigurationChange(const hal::ScreenConfiguration& aScreenConfiguration);
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/**
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* Lock the screen orientation to the specific orientation.
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* @return Whether the lock has been accepted.
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*/
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bool LockScreenOrientation(const dom::ScreenOrientation& aOrientation);
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/**
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* Unlock the screen orientation.
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*/
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void UnlockScreenOrientation();
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/**
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* Register an observer for the switch of given SwitchDevice.
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*
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* The observer will receive data whenever the data generated by the
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* given switch.
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*/
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void RegisterSwitchObserver(hal::SwitchDevice aDevice, hal::SwitchObserver *aSwitchObserver);
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/**
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* Unregister an observer for the switch of given SwitchDevice.
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*/
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void UnregisterSwitchObserver(hal::SwitchDevice aDevice, hal::SwitchObserver *aSwitchObserver);
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/**
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* Notify the state of the switch.
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*
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* This API is internal to hal; clients shouldn't call it directly.
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*/
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void NotifySwitchChange(const hal::SwitchEvent& aEvent);
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/**
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* Get current switch information.
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*/
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hal::SwitchState GetCurrentSwitchState(hal::SwitchDevice aDevice);
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} // namespace MOZ_HAL_NAMESPACE
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} // namespace mozilla
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#ifdef MOZ_DEFINED_HAL_NAMESPACE
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# undef MOZ_DEFINED_HAL_NAMESPACE
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# undef MOZ_HAL_NAMESPACE
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#endif
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#endif // mozilla_Hal_h
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