Extract privacy item monitoring interface, add AppOpsPrivacyItemMonitor am:... (ae150063) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java

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		@@ -46,6 +46,7 @@ import com.android.systemui.lowlightclock.LowLightClockController;
		import com.android.systemui.model.SysUiState;
		import com.android.systemui.navigationbar.NavigationBarComponent;
		import com.android.systemui.plugins.BcSmartspaceDataPlugin;
		import com.android.systemui.privacy.PrivacyModule;
		import com.android.systemui.recents.Recents;
		import com.android.systemui.screenshot.dagger.ScreenshotModule;
		import com.android.systemui.settings.dagger.SettingsModule;
		@@ -122,6 +123,7 @@ import dagger.Provides;
		LogModule.class,
		PeopleHubModule.class,
		PluginModule.class,
		PrivacyModule.class,
		QsFrameTranslateModule.class,
		ScreenshotModule.class,
		SensorModule.class,

packages/SystemUI/src/com/android/systemui/privacy/AppOpsPrivacyItemMonitor.kt

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.systemui.privacy

		import android.app.AppOpsManager
		import android.content.Context
		import android.content.pm.UserInfo
		import android.os.UserHandle
		import com.android.internal.annotations.GuardedBy
		import com.android.internal.annotations.VisibleForTesting
		import com.android.systemui.appops.AppOpItem
		import com.android.systemui.appops.AppOpsController
		import com.android.systemui.dagger.SysUISingleton
		import com.android.systemui.dagger.qualifiers.Background
		import com.android.systemui.privacy.logging.PrivacyLogger
		import com.android.systemui.settings.UserTracker
		import com.android.systemui.util.asIndenting
		import com.android.systemui.util.concurrency.DelayableExecutor
		import com.android.systemui.util.withIncreasedIndent
		import java.io.PrintWriter
		import javax.inject.Inject

		/**
		* Monitors privacy items backed by app ops:
		* - Mic & Camera
		* - Location
		*
		* If [PrivacyConfig.micCameraAvailable] / [PrivacyConfig.locationAvailable] are disabled,
		* the corresponding PrivacyItems will not be reported.
		*/
		@SysUISingleton
		class AppOpsPrivacyItemMonitor @Inject constructor(
		private val appOpsController: AppOpsController,
		private val userTracker: UserTracker,
		private val privacyConfig: PrivacyConfig,
		@Background private val bgExecutor: DelayableExecutor,
		private val logger: PrivacyLogger
		) : PrivacyItemMonitor {

		@VisibleForTesting
		companion object {
		val OPS_MIC_CAMERA = intArrayOf(AppOpsManager.OP_CAMERA,
		AppOpsManager.OP_PHONE_CALL_CAMERA, AppOpsManager.OP_RECORD_AUDIO,
		AppOpsManager.OP_PHONE_CALL_MICROPHONE,
		AppOpsManager.OP_RECEIVE_AMBIENT_TRIGGER_AUDIO)
		val OPS_LOCATION = intArrayOf(
		AppOpsManager.OP_COARSE_LOCATION,
		AppOpsManager.OP_FINE_LOCATION)
		val OPS = OPS_MIC_CAMERA + OPS_LOCATION
		val USER_INDEPENDENT_OPS = intArrayOf(AppOpsManager.OP_PHONE_CALL_CAMERA,
		AppOpsManager.OP_PHONE_CALL_MICROPHONE)
		}

		private val lock = Any()

		@GuardedBy("lock")
		private var callback: PrivacyItemMonitor.Callback? = null
		@GuardedBy("lock")
		private var micCameraAvailable = privacyConfig.micCameraAvailable
		@GuardedBy("lock")
		private var locationAvailable = privacyConfig.locationAvailable
		@GuardedBy("lock")
		private var listening = false

		private val appOpsCallback = object : AppOpsController.Callback {
		override fun onActiveStateChanged(
		code: Int,
		uid: Int,
		packageName: String,
		active: Boolean
		) {
		synchronized(lock) {
		// Check if we care about this code right now
		if (code in OPS_MIC_CAMERA && !micCameraAvailable) {
		return
		}
		if (code in OPS_LOCATION && !locationAvailable) {
		return
		}
		if (userTracker.userProfiles.any { it.id == UserHandle.getUserId(uid) } \|\|
		code in USER_INDEPENDENT_OPS) {
		logger.logUpdatedItemFromAppOps(code, uid, packageName, active)
		dispatchOnPrivacyItemsChanged()
		}
		}
		}
		}

		@VisibleForTesting
		internal val userTrackerCallback = object : UserTracker.Callback {
		override fun onUserChanged(newUser: Int, userContext: Context) {
		onCurrentProfilesChanged()
		}

		override fun onProfilesChanged(profiles: List<UserInfo>) {
		onCurrentProfilesChanged()
		}
		}

		private val configCallback = object : PrivacyConfig.Callback {
		override fun onFlagLocationChanged(flag: Boolean) {
		onFlagChanged()
		}

		override fun onFlagMicCameraChanged(flag: Boolean) {
		onFlagChanged()
		}

		private fun onFlagChanged() {
		synchronized(lock) {
		micCameraAvailable = privacyConfig.micCameraAvailable
		locationAvailable = privacyConfig.locationAvailable
		setListeningStateLocked()
		}
		dispatchOnPrivacyItemsChanged()
		}
		}

		init {
		privacyConfig.addCallback(configCallback)
		}

		override fun startListening(callback: PrivacyItemMonitor.Callback) {
		synchronized(lock) {
		this.callback = callback
		setListeningStateLocked()
		}
		}

		override fun stopListening() {
		synchronized(lock) {
		this.callback = null
		setListeningStateLocked()
		}
		}

		/**
		* Updates listening status based on whether there are callbacks and the indicators are enabled.
		*
		* Always listen to all OPS so we don't have to figure out what we should be listening to. We
		* still have to filter anyway. Updates are filtered in the callback.
		*
		* This is only called from private (add/remove)Callback and from the config listener, all in
		* main thread.
		*/
		@GuardedBy("lock")
		private fun setListeningStateLocked() {
		val shouldListen = callback != null && (micCameraAvailable \|\| locationAvailable)
		if (listening == shouldListen) {
		return
		}

		listening = shouldListen
		if (shouldListen) {
		appOpsController.addCallback(OPS, appOpsCallback)
		userTracker.addCallback(userTrackerCallback, bgExecutor)
		onCurrentProfilesChanged()
		} else {
		appOpsController.removeCallback(OPS, appOpsCallback)
		userTracker.removeCallback(userTrackerCallback)
		}
		}

		override fun getActivePrivacyItems(): List<PrivacyItem> {
		val activeAppOps = appOpsController.getActiveAppOps(true)
		val currentUserProfiles = userTracker.userProfiles

		return synchronized(lock) {
		activeAppOps.filter {
		currentUserProfiles.any { user -> user.id == UserHandle.getUserId(it.uid) } \|\|
		it.code in USER_INDEPENDENT_OPS
		}.mapNotNull { toPrivacyItemLocked(it) }
		}.distinct()
		}

		@GuardedBy("lock")
		private fun privacyItemForAppOpEnabledLocked(code: Int): Boolean {
		if (code in OPS_LOCATION) {
		return locationAvailable
		} else if (code in OPS_MIC_CAMERA) {
		return micCameraAvailable
		} else {
		return false
		}
		}

		@GuardedBy("lock")
		private fun toPrivacyItemLocked(appOpItem: AppOpItem): PrivacyItem? {
		if (!privacyItemForAppOpEnabledLocked(appOpItem.code)) {
		return null
		}
		val type: PrivacyType = when (appOpItem.code) {
		AppOpsManager.OP_PHONE_CALL_CAMERA,
		AppOpsManager.OP_CAMERA -> PrivacyType.TYPE_CAMERA
		AppOpsManager.OP_COARSE_LOCATION,
		AppOpsManager.OP_FINE_LOCATION -> PrivacyType.TYPE_LOCATION
		AppOpsManager.OP_PHONE_CALL_MICROPHONE,
		AppOpsManager.OP_RECEIVE_AMBIENT_TRIGGER_AUDIO,
		AppOpsManager.OP_RECORD_AUDIO -> PrivacyType.TYPE_MICROPHONE
		else -> return null
		}
		val app = PrivacyApplication(appOpItem.packageName, appOpItem.uid)
		return PrivacyItem(type, app, appOpItem.timeStartedElapsed, appOpItem.isDisabled)
		}

		private fun onCurrentProfilesChanged() {
		val currentUserIds = userTracker.userProfiles.map { it.id }
		logger.logCurrentProfilesChanged(currentUserIds)
		dispatchOnPrivacyItemsChanged()
		}

		private fun dispatchOnPrivacyItemsChanged() {
		val cb = synchronized(lock) { callback }
		if (cb != null) {
		bgExecutor.execute {
		cb.onPrivacyItemsChanged()
		}
		}
		}

		override fun dump(pw: PrintWriter, args: Array<out String>) {
		val ipw = pw.asIndenting()
		ipw.println("AppOpsPrivacyItemMonitor:")
		ipw.withIncreasedIndent {
		synchronized(lock) {
		ipw.println("Listening: $listening")
		ipw.println("micCameraAvailable: $micCameraAvailable")
		ipw.println("locationAvailable: $locationAvailable")
		ipw.println("Callback: $callback")
		}
		ipw.println("Current user ids: ${userTracker.userProfiles.map { it.id }}")
		}
		ipw.flush()
		}
		}

packages/SystemUI/src/com/android/systemui/privacy/PrivacyConfig.kt

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.systemui.privacy

		import android.provider.DeviceConfig
		import com.android.internal.annotations.VisibleForTesting
		import com.android.internal.config.sysui.SystemUiDeviceConfigFlags
		import com.android.systemui.Dumpable
		import com.android.systemui.dagger.SysUISingleton
		import com.android.systemui.dagger.qualifiers.Main
		import com.android.systemui.dump.DumpManager
		import com.android.systemui.util.DeviceConfigProxy
		import com.android.systemui.util.asIndenting
		import com.android.systemui.util.concurrency.DelayableExecutor
		import com.android.systemui.util.withIncreasedIndent
		import java.io.PrintWriter
		import java.lang.ref.WeakReference
		import javax.inject.Inject

		@SysUISingleton
		class PrivacyConfig @Inject constructor(
		@Main private val uiExecutor: DelayableExecutor,
		private val deviceConfigProxy: DeviceConfigProxy,
		dumpManager: DumpManager
		) : Dumpable {

		@VisibleForTesting
		internal companion object {
		const val TAG = "PrivacyConfig"
		private const val MIC_CAMERA = SystemUiDeviceConfigFlags.PROPERTY_MIC_CAMERA_ENABLED
		private const val LOCATION = SystemUiDeviceConfigFlags.PROPERTY_LOCATION_INDICATORS_ENABLED
		private const val DEFAULT_MIC_CAMERA = true
		private const val DEFAULT_LOCATION = false
		}

		private val callbacks = mutableListOf<WeakReference<Callback>>()

		var micCameraAvailable = isMicCameraEnabled()
		private set
		var locationAvailable = isLocationEnabled()
		private set

		private val devicePropertiesChangedListener =
		DeviceConfig.OnPropertiesChangedListener { properties ->
		if (DeviceConfig.NAMESPACE_PRIVACY == properties.namespace) {
		// Running on the ui executor so can iterate on callbacks
		if (properties.keyset.contains(MIC_CAMERA)) {
		micCameraAvailable = properties.getBoolean(MIC_CAMERA, DEFAULT_MIC_CAMERA)
		callbacks.forEach { it.get()?.onFlagMicCameraChanged(micCameraAvailable) }
		}

		if (properties.keyset.contains(LOCATION)) {
		locationAvailable = properties.getBoolean(LOCATION, DEFAULT_LOCATION)
		callbacks.forEach { it.get()?.onFlagLocationChanged(locationAvailable) }
		}
		}
		}

		init {
		dumpManager.registerDumpable(TAG, this)
		deviceConfigProxy.addOnPropertiesChangedListener(
		DeviceConfig.NAMESPACE_PRIVACY,
		uiExecutor,
		devicePropertiesChangedListener)
		}

		private fun isMicCameraEnabled(): Boolean {
		return deviceConfigProxy.getBoolean(DeviceConfig.NAMESPACE_PRIVACY,
		MIC_CAMERA, DEFAULT_MIC_CAMERA)
		}

		private fun isLocationEnabled(): Boolean {
		return deviceConfigProxy.getBoolean(DeviceConfig.NAMESPACE_PRIVACY,
		LOCATION, DEFAULT_LOCATION)
		}

		fun addCallback(callback: Callback) {
		addCallback(WeakReference(callback))
		}

		fun removeCallback(callback: Callback) {
		removeCallback(WeakReference(callback))
		}

		private fun addCallback(callback: WeakReference<Callback>) {
		uiExecutor.execute {
		callbacks.add(callback)
		}
		}

		private fun removeCallback(callback: WeakReference<Callback>) {
		uiExecutor.execute {
		// Removes also if the callback is null
		callbacks.removeIf { it.get()?.equals(callback.get()) ?: true }
		}
		}

		override fun dump(pw: PrintWriter, args: Array<out String>) {
		val ipw = pw.asIndenting()
		ipw.println("PrivacyConfig state:")
		ipw.withIncreasedIndent {
		ipw.println("micCameraAvailable: $micCameraAvailable")
		ipw.println("locationAvailable: $locationAvailable")
		ipw.println("Callbacks:")
		ipw.withIncreasedIndent {
		callbacks.forEach { callback ->
		callback.get()?.let { ipw.println(it) }
		}
		}
		}
		ipw.flush()
		}

		interface Callback {
		@JvmDefault
		fun onFlagMicCameraChanged(flag: Boolean) {}

		@JvmDefault
		fun onFlagLocationChanged(flag: Boolean) {}
		}
		}
		No newline at end of file

packages/SystemUI/src/com/android/systemui/privacy/PrivacyItemController.kt

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packages/SystemUI/src/com/android/systemui/privacy/PrivacyItemMonitor.kt

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.systemui.privacy

		import com.android.systemui.Dumpable

		interface PrivacyItemMonitor : Dumpable {
		fun startListening(callback: Callback)
		fun stopListening()
		fun getActivePrivacyItems(): List<PrivacyItem>

		interface Callback {
		fun onPrivacyItemsChanged()
		}
		}