9a844cf78f
SensorService should hold a wakelock till the app reads events from a wakeup sensor. Currently drivers hold a wakelock with a timeout while delivering events from a wake up sensor like Significant Motion. This hack can be removed now. Bug: 9774884 Change-Id: If3b5acb99c9cf0cd29012fcfa9d6b04c74133d01
107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_GUI_SENSOR_H
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#define ANDROID_GUI_SENSOR_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <utils/Flattenable.h>
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#include <utils/String8.h>
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#include <utils/Timers.h>
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#include <hardware/sensors.h>
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#include <android/sensor.h>
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// ----------------------------------------------------------------------------
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// Concrete types for the NDK
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struct ASensor { };
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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class Parcel;
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// ----------------------------------------------------------------------------
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class Sensor : public ASensor, public LightFlattenable<Sensor>
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{
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public:
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enum {
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TYPE_ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER,
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TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
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TYPE_GYROSCOPE = ASENSOR_TYPE_GYROSCOPE,
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TYPE_LIGHT = ASENSOR_TYPE_LIGHT,
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TYPE_PROXIMITY = ASENSOR_TYPE_PROXIMITY
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};
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Sensor();
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Sensor(struct sensor_t const* hwSensor, int halVersion = 0);
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~Sensor();
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const String8& getName() const;
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const String8& getVendor() const;
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int32_t getHandle() const;
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int32_t getType() const;
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float getMinValue() const;
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float getMaxValue() const;
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float getResolution() const;
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float getPowerUsage() const;
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int32_t getMinDelay() const;
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nsecs_t getMinDelayNs() const;
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int32_t getVersion() const;
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int32_t getFifoReservedEventCount() const;
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int32_t getFifoMaxEventCount() const;
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const String8& getStringType() const;
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const String8& getRequiredPermission() const;
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bool isWakeUpSensor() const;
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// LightFlattenable protocol
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inline bool isFixedSize() const { return false; }
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size_t getFlattenedSize() const;
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status_t flatten(void* buffer, size_t size) const;
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status_t unflatten(void const* buffer, size_t size);
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private:
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String8 mName;
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String8 mVendor;
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int32_t mHandle;
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int32_t mType;
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float mMinValue;
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float mMaxValue;
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float mResolution;
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float mPower;
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int32_t mMinDelay;
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int32_t mVersion;
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int32_t mFifoReservedEventCount;
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int32_t mFifoMaxEventCount;
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String8 mStringType;
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String8 mRequiredPermission;
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// Todo: Surface this in java SDK.
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bool mWakeUpSensor;
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static void flattenString8(void*& buffer, size_t& size, const String8& string8);
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static bool unflattenString8(void const*& buffer, size_t& size, String8& outputString8);
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GUI_SENSOR_H
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