Merge "CameraServiceProxy: Query recent tasks for top activity data" into... (324c7b28) · Commits · e / os / android_frameworks_base

data/etc/platform.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -180,6 +180,7 @@
		<assign-permission name="android.permission.WATCH_APPOPS" uid="cameraserver" />
		<assign-permission name="android.permission.MANAGE_APP_OPS_MODES" uid="cameraserver" />
		<assign-permission name="android.permission.OBSERVE_SENSOR_PRIVACY" uid="cameraserver" />
		<assign-permission name="android.permission.REAL_GET_TASKS" uid="cameraserver" />

		<assign-permission name="android.permission.ACCESS_SURFACE_FLINGER" uid="graphics" />

services/core/java/com/android/server/camera/CameraServiceProxy.java

+38 −60

Original line number	Diff line number	Diff line
		@@ -25,7 +25,6 @@ import android.annotation.TestApi;
		import android.app.ActivityManager;
		import android.app.ActivityTaskManager;
		import android.app.compat.CompatChanges;
		import android.app.TaskStackListener;
		import android.compat.annotation.ChangeId;
		import android.compat.annotation.Disabled;
		import android.compat.annotation.Overridable;
		@@ -35,6 +34,7 @@ import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.pm.ActivityInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ParceledListSlice;
		import android.content.res.Configuration;
		import android.hardware.CameraSessionStats;
		import android.hardware.CameraStreamStats;
		@@ -84,7 +84,6 @@ import java.util.Arrays;
		import java.util.Collection;
		import java.util.Collections;
		import java.util.List;
		import java.util.Map;
		import java.util.Set;
		import java.util.concurrent.ScheduledThreadPoolExecutor;
		import java.util.concurrent.TimeUnit;
		@@ -309,8 +308,6 @@ public class CameraServiceProxy extends SystemService

		private final DisplayWindowListener mDisplayWindowListener = new DisplayWindowListener();

		private final TaskStateHandler mTaskStackListener = new TaskStateHandler();

		public static final class TaskInfo {
		public int frontTaskId;
		public boolean isResizeable;
		@@ -320,54 +317,6 @@ public class CameraServiceProxy extends SystemService
		public int userId;
		}

		private final class TaskStateHandler extends TaskStackListener {
		private final Object mMapLock = new Object();

		// maps the package name to its corresponding current top level task id
		@GuardedBy("mMapLock")
		private final ArrayMap<String, TaskInfo> mTaskInfoMap = new ArrayMap<>();

		@Override
		public void onTaskMovedToFront(ActivityManager.RunningTaskInfo taskInfo) {
		synchronized (mMapLock) {
		TaskInfo info = new TaskInfo();
		info.frontTaskId = taskInfo.taskId;
		info.isResizeable =
		(taskInfo.topActivityInfo.resizeMode != RESIZE_MODE_UNRESIZEABLE);
		info.displayId = taskInfo.displayId;
		info.userId = taskInfo.userId;
		info.isFixedOrientationLandscape = ActivityInfo.isFixedOrientationLandscape(
		taskInfo.topActivityInfo.screenOrientation);
		info.isFixedOrientationPortrait = ActivityInfo.isFixedOrientationPortrait(
		taskInfo.topActivityInfo.screenOrientation);
		mTaskInfoMap.put(taskInfo.topActivityInfo.packageName, info);
		}
		}

		@Override
		public void onTaskRemoved(int taskId) {
		synchronized (mMapLock) {
		for (Map.Entry<String, TaskInfo> entry : mTaskInfoMap.entrySet()){
		if (entry.getValue().frontTaskId == taskId) {
		mTaskInfoMap.remove(entry.getKey());
		break;
		}
		}
		}
		}

		public @Nullable TaskInfo getFrontTaskInfo(String packageName) {
		synchronized (mMapLock) {
		if (mTaskInfoMap.containsKey(packageName)) {
		return mTaskInfoMap.get(packageName);
		}
		}

		Log.e(TAG, "Top task with package name: " + packageName + " not found!");
		return null;
		}
		}

		private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		@@ -490,18 +439,53 @@ public class CameraServiceProxy extends SystemService

		private final ICameraServiceProxy.Stub mCameraServiceProxy = new ICameraServiceProxy.Stub() {
		@Override
		public int getRotateAndCropOverride(String packageName, int lensFacing) {
		public int getRotateAndCropOverride(String packageName, int lensFacing, int userId) {
		if (Binder.getCallingUid() != Process.CAMERASERVER_UID) {
		Slog.e(TAG, "Calling UID: " + Binder.getCallingUid() + " doesn't match expected " +
		" camera service UID!");
		return CaptureRequest.SCALER_ROTATE_AND_CROP_NONE;
		}

		TaskInfo taskInfo = null;
		ParceledListSlice<ActivityManager.RecentTaskInfo> recentTasks = null;

		try {
		recentTasks = ActivityTaskManager.getService().getRecentTasks(/maxNum/1,
		/flags/ 0, userId);
		} catch (RemoteException e) {
		Log.e(TAG, "Failed to query recent tasks!");
		return CaptureRequest.SCALER_ROTATE_AND_CROP_NONE;
		}

		if ((recentTasks != null) && (!recentTasks.getList().isEmpty())) {
		ActivityManager.RecentTaskInfo task = recentTasks.getList().get(0);
		if (packageName.equals(task.topActivityInfo.packageName)) {
		taskInfo = new TaskInfo();
		taskInfo.frontTaskId = task.taskId;
		taskInfo.isResizeable =
		(task.topActivityInfo.resizeMode != RESIZE_MODE_UNRESIZEABLE);
		taskInfo.displayId = task.displayId;
		taskInfo.userId = task.userId;
		taskInfo.isFixedOrientationLandscape =
		ActivityInfo.isFixedOrientationLandscape(
		task.topActivityInfo.screenOrientation);
		taskInfo.isFixedOrientationPortrait =
		ActivityInfo.isFixedOrientationPortrait(
		task.topActivityInfo.screenOrientation);
		} else {
		Log.e(TAG, "Recent task package name: " + task.topActivityInfo.packageName
		+ " doesn't match with camera client package name: " + packageName);
		return CaptureRequest.SCALER_ROTATE_AND_CROP_NONE;
		}
		} else {
		Log.e(TAG, "Recent task list is empty!");
		return CaptureRequest.SCALER_ROTATE_AND_CROP_NONE;
		}

		// TODO: Modify the sensor orientation in camera characteristics along with any 3A
		// regions in capture requests/results to account for thea physical rotation. The
		// former is somewhat tricky as it assumes that camera clients always check for the
		// current value by retrieving the camera characteristics from the camera device.
		TaskInfo taskInfo = mTaskStackListener.getFrontTaskInfo(packageName);
		if ((taskInfo != null) && (CompatChanges.isChangeEnabled(
		OVERRIDE_CAMERA_ROTATE_AND_CROP_DEFAULTS, packageName,
		UserHandle.getUserHandleForUid(taskInfo.userId)))) {
		@@ -672,12 +656,6 @@ public class CameraServiceProxy extends SystemService
		if (phase == PHASE_BOOT_COMPLETED) {
		CameraStatsJobService.schedule(mContext);

		try {
		ActivityTaskManager.getService().registerTaskStackListener(mTaskStackListener);
		} catch (RemoteException e) {
		Log.e(TAG, "Failed to register task stack listener!");
		}

		try {
		int[] displayIds = WindowManagerGlobal.getWindowManagerService()
		.registerDisplayWindowListener(mDisplayWindowListener);