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134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: sw=2 ts=8 et ft=cpp : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Jones <jones.chris.g@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_Hal_h
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#define mozilla_Hal_h 1
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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 "mozilla/dom/battery/Types.h"
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#ifndef MOZ_HAL_NAMESPACE
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// This goop plays some cpp tricks to ensure a uniform API across the
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// API entry point, "sandbox" implementations (for content processes),
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// and "impl" backends where the real work happens. After this runs
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// through cpp, there will be three sets of identical APIs
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// hal_impl:: --- the platform-specific implementation of an API.
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// hal_sandbox:: --- forwards calls up to the parent process
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// hal:: --- invokes sandboxed impl if in a sandboxed process,
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// otherwise forwards to hal_impl
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//
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// External code should never invoke hal_impl:: or hal_sandbox:: code
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// directly.
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# include "HalImpl.h"
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# include "HalSandbox.h"
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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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namespace hal {
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class BatteryInformation;
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} // namespace hal
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namespace MOZ_HAL_NAMESPACE /*hal*/ {
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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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void Vibrate(const nsTArray<uint32>& pattern);
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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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* Enables battery notifications from the backend.
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*
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* This method is semi-private in the sense of it is visible in the hal
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* namespace but should not be used. Calls to this method from the hal
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* namespace will produce a link error because it is not defined.
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*/
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void EnableBatteryNotifications();
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/**
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* Disables battery notifications from the backend.
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*
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* This method is semi-private in the sense of it is visible in the hal
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* namespace but should not be used. Calls to this method from the hal
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* namespace will produce a link error because it is not defined.
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*/
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void DisableBatteryNotifications();
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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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}
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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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