Cleanup of the PackageInstaller API - Settings

The PackageInstaller app manages side-loading apps as well
as permission management. It should be updatable, hence
should rely on system APIs to talk to the platform. This
is the first step of defining an API boundary.

Change-Id: Ibb21114a7a9fa28f6db68492fe37c02c1b2f0c6b

src/com/android/settings/applications/AdvancedAppSettings.java

@@ -123,66 +123,23 @@ public class AdvancedAppSettings extends SettingsPreferenceFragment implements
 
     private final PermissionsResultCallback mPermissionCallback = new PermissionsResultCallback() {
         @Override
-        public void onPermissionSummaryResult(int[] counts, CharSequence[] groupLabels) {
+        public void onAppWithPermissionsCountsResult(int standardGrantedPermissionAppCount,
+                int standardUsedPermissionAppCount) {
             if (getActivity() == null) {
                 return;
             }
             mPermissionReceiver = null;
-            if (counts != null) {
+            if (standardUsedPermissionAppCount != 0) {
                 mAppPermsPreference.setSummary(getContext().getString(
-                        R.string.app_permissions_summary, counts[0], counts[1]));
+                        R.string.app_permissions_summary,
+                        standardGrantedPermissionAppCount,
+                        standardUsedPermissionAppCount));
             } else {
                 mAppPermsPreference.setSummary(null);
             }
         }
     };
 
-    private class CountAppsWithOverlayPermission extends
-            AsyncTask<AppStateOverlayBridge, Void, Integer> {
-        int numOfPackagesRequestedPermission = 0;
-
-        @Override
-        protected Integer doInBackground(AppStateOverlayBridge... params) {
-            AppStateOverlayBridge overlayBridge = params[0];
-            numOfPackagesRequestedPermission = overlayBridge
-                    .getNumberOfPackagesWithPermission();
-            return overlayBridge.getNumberOfPackagesCanDrawOverlay();
-        }
-
-        @Override
-        protected void onPostExecute(Integer result) {
-            // checks if fragment is still there before updating the preference object
-            if (isAdded()) {
-                mSystemAlertWindowPreference.setSummary(getContext().getString(
-                        R.string.system_alert_window_summary, result,
-                        numOfPackagesRequestedPermission));
-            }
-        }
-    }
-
-    private class CountAppsWithWriteSettingsPermission extends
-        AsyncTask<AppStateWriteSettingsBridge, Void, Integer> {
-        int numOfPackagesRequestedPermission = 0;
-
-        @Override
-        protected Integer doInBackground(AppStateWriteSettingsBridge... params) {
-            AppStateWriteSettingsBridge writeSettingsBridge = params[0];
-            numOfPackagesRequestedPermission = writeSettingsBridge
-                .getNumberOfPackagesWithPermission();
-            return writeSettingsBridge.getNumberOfPackagesCanWriteSettings();
-        }
-
-        @Override
-        protected void onPostExecute(Integer result) {
-            // checks if fragment is still there before updating the preference object
-            if (isAdded()) {
-                mWriteSettingsPreference.setSummary(getContext().getString(
-                        R.string.write_settings_summary, result,
-                        numOfPackagesRequestedPermission));
-            }
-        }
-    }
-
     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider() {
                 @Override

src/com/android/settings/applications/InstalledAppDetails.java

@@ -179,8 +179,6 @@ public class InstalledAppDetails extends AppInfoBase
     protected ProcStatsData mStatsManager;
     protected ProcStatsPackageEntry mStats;
 
-    private BroadcastReceiver mPermissionReceiver;
-
     private boolean handleDisableable(Button button) {
         boolean disableable = false;
         // Try to prevent the user from bricking their phone
@@ -356,11 +354,6 @@ public class InstalledAppDetails extends AppInfoBase
     @Override
     public void onDestroy() {
         TrafficStats.closeQuietly(mStatsSession);
-        if (mPermissionReceiver != null) {
-            getContext().unregisterReceiver(mPermissionReceiver);
-            mPermissionReceiver = null;
-        }
-
         super.onDestroy();
     }
 
@@ -564,10 +557,8 @@ public class InstalledAppDetails extends AppInfoBase
         // Update the preference summaries.
         Activity context = getActivity();
         mStoragePreference.setSummary(AppStorageSettings.getSummary(mAppEntry, context));
-        if (mPermissionReceiver != null) {
-            getContext().unregisterReceiver(mPermissionReceiver);
-        }
-        mPermissionReceiver = PermissionsSummaryHelper.getPermissionSummary(getContext(),
+
+        PermissionsSummaryHelper.getPermissionSummary(getContext(),
                 mPackageName, mPermissionCallback);
         mLaunchPreference.setSummary(AppUtils.getLaunchByDefaultSummary(mAppEntry, mUsbManager,
                 mPm, context));
@@ -1187,34 +1178,31 @@ public class InstalledAppDetails extends AppInfoBase
     private final PermissionsResultCallback mPermissionCallback
             = new PermissionsResultCallback() {
         @Override
-        public void onPermissionSummaryResult(int[] counts, CharSequence[] groupLabels) {
+        public void onPermissionSummaryResult(int standardGrantedPermissionCount,
+                int requestedPermissionCount, int additionalGrantedPermissionCount,
+                List<CharSequence> grantedGroupLabels) {
             if (getActivity() == null) {
                 return;
             }
-            mPermissionReceiver = null;
             final Resources res = getResources();
             CharSequence summary = null;
-            if (counts != null) {
-                int totalCount = counts[1];
-                int additionalCounts = counts[2];
 
-                if (totalCount == 0) {
+            if (requestedPermissionCount == 0) {
+                summary = res.getString(
+                        R.string.runtime_permissions_summary_no_permissions_requested);
+            } else {
+                final ArrayList<CharSequence> list = new ArrayList<>(grantedGroupLabels);
+                if (additionalGrantedPermissionCount > 0) {
+                    // N additional permissions.
+                    list.add(res.getQuantityString(
+                            R.plurals.runtime_permissions_additional_count,
+                            additionalGrantedPermissionCount, additionalGrantedPermissionCount));
+                }
+                if (list.size() == 0) {
                     summary = res.getString(
-                            R.string.runtime_permissions_summary_no_permissions_requested);
+                            R.string.runtime_permissions_summary_no_permissions_granted);
                 } else {
-                    final ArrayList<CharSequence> list = new ArrayList(Arrays.asList(groupLabels));
-                    if (additionalCounts > 0) {
-                        // N additional permissions.
-                        list.add(res.getQuantityString(
-                                R.plurals.runtime_permissions_additional_count,
-                                additionalCounts, additionalCounts));
-                    }
-                    if (list.size() == 0) {
-                        summary = res.getString(
-                                R.string.runtime_permissions_summary_no_permissions_granted);
-                    } else {
-                        summary = ListFormatter.getInstance().format(list);
-                    }
+                    summary = ListFormatter.getInstance().format(list);
                 }
             }
             mPermissionsPreference.setSummary(summary);

src/com/android/settings/applications/PermissionsSummaryHelper.java

@@ -15,54 +15,66 @@
  */
 package com.android.settings.applications;
 
-import android.content.BroadcastReceiver;
+import android.annotation.NonNull;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
+import android.content.pm.permission.RuntimePermissionPresentationInfo;
+import android.content.pm.permission.RuntimePermissionPresenter;
 
-public class PermissionsSummaryHelper {
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
-    private static final String ACTION_PERM_COUNT_RESPONSE
-            = "com.android.settings.PERM_COUNT_RESPONSE";
-    private static final String ACTION_APP_COUNT_RESPONSE
-            = "com.android.settings.APP_COUNT_RESPONSE";
+public class PermissionsSummaryHelper  {
 
-    public static BroadcastReceiver getPermissionSummary(Context context, String pkg,
-            PermissionsResultCallback callback) {
-        Intent request = new Intent(Intent.ACTION_GET_PERMISSIONS_COUNT);
-        request.putExtra(Intent.EXTRA_PACKAGE_NAME, pkg);
-        return sendPermissionRequest(context, ACTION_PERM_COUNT_RESPONSE, request, callback);
-    }
-
-    public static BroadcastReceiver getAppWithPermissionsCounts(Context context,
-            PermissionsResultCallback callback) {
-        Intent request = new Intent(Intent.ACTION_GET_PERMISSIONS_COUNT);
-        return sendPermissionRequest(context, ACTION_APP_COUNT_RESPONSE, request, callback);
-    }
-
-    private static BroadcastReceiver sendPermissionRequest(Context context, String action,
-            Intent request, final PermissionsResultCallback callback) {
-        BroadcastReceiver receiver = new BroadcastReceiver() {
+    public static void getPermissionSummary(Context context, String pkg,
+            final PermissionsResultCallback callback) {
+        final RuntimePermissionPresenter presenter =
+                RuntimePermissionPresenter.getInstance(context);
+        presenter.getAppPermissions(pkg, new RuntimePermissionPresenter.OnResultCallback() {
             @Override
-            public void onReceive(Context context, Intent intent) {
-                int[] counts = intent.getIntArrayExtra(Intent.EXTRA_GET_PERMISSIONS_COUNT_RESULT);
+            public void onGetAppPermissions(
+                    @NonNull List<RuntimePermissionPresentationInfo> permissions) {
+                final int permissionCount = permissions.size();
 
-                CharSequence[] groups = intent.getCharSequenceArrayExtra(
-                        Intent.EXTRA_GET_PERMISSIONS_GROUP_LIST_RESULT);
+                int grantedStandardCount = 0;
+                int grantedAdditionalCount = 0;
+                int requestedCount = 0;
+                List<CharSequence> grantedStandardLabels = new ArrayList<>();
 
-                callback.onPermissionSummaryResult(counts, groups);
+                for (int i = 0; i < permissionCount; i++) {
+                    RuntimePermissionPresentationInfo permission = permissions.get(i);
+                    requestedCount++;
+                    if (permission.isGranted()) {
+                        if (permission.isStandard()) {
+                            grantedStandardLabels.add(permission.getLabel());
+                            grantedStandardCount++;
+                        } else {
+                            grantedAdditionalCount++;
+                        }
+                    }
+                }
 
-                context.unregisterReceiver(this);
+                Collator collator = Collator.getInstance();
+                collator.setStrength(Collator.PRIMARY);
+                Collections.sort(grantedStandardLabels, collator);
+
+                callback.onPermissionSummaryResult(grantedStandardCount, requestedCount,
+                        grantedAdditionalCount, grantedStandardLabels);
             }
-        };
-        context.registerReceiver(receiver, new IntentFilter(action));
-        request.putExtra(Intent.EXTRA_GET_PERMISSIONS_RESPONSE_INTENT, action);
-        request.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
-        context.sendBroadcast(request);
-        return receiver;
+        }, null);
     }
 
-    public interface PermissionsResultCallback {
-        void onPermissionSummaryResult(int[] counts, CharSequence[] groupLabels);
+    public static abstract class PermissionsResultCallback {
+        public void onAppWithPermissionsCountsResult(int standardGrantedPermissionAppCount,
+                int standardUsedPermissionAppCount) {
+            /* do nothing - stub */
+        }
+
+        public void onPermissionSummaryResult(int standardGrantedPermissionCount,
+                int requestedPermissionCount, int additionalGrantedPermissionCount,
+                List<CharSequence> grantedGroupLabels) {
+            /* do nothing - stub */
+        }
     }
 }