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Commit fcef90c8 authored by Danny Lin's avatar Danny Lin
Browse files

PermissionController: Implement getPermissionUsages API 

This partially reverts commit fe4bf10f.

This restores the implementation of onGetPermissionUsages from the
aforementioned commit and updates it to work with the permission usage
forward-port in commit a48389aa.

Implementing this API is necessary to fix the permissions dashboard
entry point being empty in Settings.

Change-Id: If5e0cba6c87c1f1c7ef2550aeac405ccba7b3227
parent 85a27e7f

src/com/android/permissioncontroller/permission/service/PermissionControllerServiceImpl.java

+55 −5
Original line number Diff line number Diff line
@@ -49,7 +49,10 @@ import androidx.annotation.Nullable; 


import com.android.permissioncontroller.PermissionControllerProto.PermissionControllerDumpProto;

import com.android.permissioncontroller.PermissionControllerStatsLog;

import com.android.permissioncontroller.permission.debug.PermissionUsages;

import com.android.permissioncontroller.permission.model.AppPermissionGroup;

import com.android.permissioncontroller.permission.model.AppPermissionUsage;

import com.android.permissioncontroller.permission.model.AppPermissionUsage.GroupUsage;

import com.android.permissioncontroller.permission.model.AppPermissions;

import com.android.permissioncontroller.permission.model.Permission;

import com.android.permissioncontroller.permission.model.livedatatypes.AppPermGroupUiInfo;
@@ -476,14 +479,61 @@ public final class PermissionControllerServiceImpl extends PermissionControllerL 
                callback);

    }



    /**

     * Deprecated api call, only returns null.

     */

    @Override

    @Deprecated

    public void onGetPermissionUsages(boolean countSystem, long numMillis,

            @NonNull Consumer<List<RuntimePermissionUsageInfo>> callback) {

        callback.accept(null);

        AsyncTask.THREAD_POOL_EXECUTOR.execute(

                () -> callback.accept(onGetPermissionUsages(countSystem, numMillis)));

    }



    private @NonNull List<RuntimePermissionUsageInfo> onGetPermissionUsages(

            boolean countSystem, long numMillis) {

        ArrayMap<String, Integer> groupUsers = new ArrayMap<>();



        long curTime = System.currentTimeMillis();

        PermissionUsages usages = new PermissionUsages(this);

        long filterTimeBeginMillis = Math.max(System.currentTimeMillis() - numMillis, 0);

        usages.load(null, null, filterTimeBeginMillis, Long.MAX_VALUE,

                PermissionUsages.USAGE_FLAG_LAST | PermissionUsages.USAGE_FLAG_HISTORICAL, null,

                false, false, null, true);



        List<AppPermissionUsage> appPermissionUsages = usages.getUsages();

        int numApps = appPermissionUsages.size();

        for (int appNum = 0; appNum < numApps; appNum++) {

            AppPermissionUsage appPermissionUsage = appPermissionUsages.get(appNum);



            List<GroupUsage> appGroups = appPermissionUsage.getGroupUsages();

            int numGroups = appGroups.size();

            for (int groupNum = 0; groupNum < numGroups; groupNum++) {

                GroupUsage groupUsage = appGroups.get(groupNum);



                if (groupUsage.getLastAccessTime() < filterTimeBeginMillis) {

                    continue;

                }

                if (!Utils.shouldShowPermission(this, groupUsage.getGroup())) {

                    continue;

                }

                if (!countSystem && !Utils.isGroupOrBgGroupUserSensitive(groupUsage.getGroup())) {

                    continue;

                }



                String groupName = groupUsage.getGroup().getName();

                Integer numUsers = groupUsers.get(groupName);

                if (numUsers == null) {

                    groupUsers.put(groupName, 1);

                } else {

                    groupUsers.put(groupName, numUsers + 1);

                }

            }

        }



        List<RuntimePermissionUsageInfo> users = new ArrayList<>();

        int numGroups = groupUsers.size();

        for (int groupNum = 0; groupNum < numGroups; groupNum++) {

            users.add(new RuntimePermissionUsageInfo(groupUsers.keyAt(groupNum),

                    groupUsers.valueAt(groupNum)));

        }

        return users;

    }



    @Override