Added partial support for repporting sensor activity to IBatteryStats (6f8b4d28) · Commits · e / os / android_frameworks_base

services/sensorservice/SensorService.cpp

+37 −0

Original line number	Diff line number	Diff line
		@@ -23,8 +23,10 @@
		#include <utils/Atomic.h>
		#include <utils/Errors.h>
		#include <utils/RefBase.h>
		#include <utils/Singleton.h>

		#include <binder/BinderService.h>
		#include <binder/IServiceManager.h>

		#include <gui/ISensorServer.h>
		#include <gui/ISensorEventConnection.h>
		@@ -44,8 +46,37 @@ namespace android {
		* send something to application when they enable a sensor that is already
		* active (the issue here is that it can take time before a value is
		* produced by the h/w if the rate is low or if it's a one-shot sensor).
		* - send sensor info to battery service
		*/

		// ---------------------------------------------------------------------------

		class BatteryService : public Singleton<BatteryService> {
		friend class Singleton<BatteryService>;
		sp<IBinder> mBatteryStatService;
		BatteryService() {
		const String16 name("batteryinfo");
		//getService(name, &mBatteryStatService);
		}
		public:
		void enableSensor(int handle) {
		if (mBatteryStatService != 0) {
		int uid = IPCThreadState::self()->getCallingUid();
		//mBatteryStatService->noteStartSensor(uid, handle);
		}
		}
		void disableSensor(int handle) {
		if (mBatteryStatService != 0) {
		int uid = IPCThreadState::self()->getCallingUid();
		//mBatteryStatService->noteStopSensor(uid, handle);
		}
		}
		};

		ANDROID_SINGLETON_STATIC_INSTANCE(BatteryService)

		// ---------------------------------------------------------------------------

		SensorService::SensorService()
		: Thread(false),
		mDump("android.permission.DUMP")
		@@ -201,6 +232,9 @@ status_t SensorService::enable(const sp<SensorEventConnection>& connection,
		mActiveSensors.add(handle, rec);
		err = mSensorDevice->activate(mSensorDevice, handle, 1);
		LOGE_IF(err, "Error activating sensor %d (%s)", handle, strerror(-err));
		if (err == 0) {
		BatteryService::getInstance().enableSensor(handle);
		}
		} else {
		err = rec->addConnection(connection);
		}
		@@ -232,6 +266,9 @@ status_t SensorService::disable(const sp<SensorEventConnection>& connection,
		mActiveSensors.removeItem(handle);
		delete rec;
		err = mSensorDevice->activate(mSensorDevice, handle, 0);
		if (err == 0) {
		BatteryService::getInstance().disableSensor(handle);
		}
		}
		}
		return err;