Add permission summaries back in

Use broadcasts to ask the PackageInstaller about the number of
granted permissions.

Bug: 21078474
Change-Id: I91d88d145a803f5f6c3f3163ba1f4500d39b1943

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

@@ -25,6 +25,7 @@ import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.ApplicationsState.AppEntry;
 import com.android.settings.applications.ApplicationsState.Session;
+import com.android.settings.applications.PermissionsSummaryHelper.PermissionsResultCallback;
 import com.android.settings.fuelgauge.PowerWhitelistBackend;
 
 import java.util.ArrayList;
@@ -39,6 +40,7 @@ public class AdvancedAppSettings extends SettingsPreferenceFragment implements
     private static final String KEY_HIGH_POWER_APPS = "high_power_apps";
 
     private Session mSession;
+    private Preference mAppPermsPreference;
     private Preference mAppDomainURLsPreference;
     private Preference mHighPowerPreference;
 
@@ -54,6 +56,7 @@ public class AdvancedAppSettings extends SettingsPreferenceFragment implements
                 getActivity().getApplication());
         mSession = applicationsState.newSession(this);
 
+        mAppPermsPreference = findPreference(KEY_APP_PERM);
         mAppDomainURLsPreference = findPreference(KEY_APP_DOMAIN_URLS);
         mHighPowerPreference = findPreference(KEY_HIGH_POWER_APPS);
         updateUI();
@@ -75,6 +78,7 @@ public class AdvancedAppSettings extends SettingsPreferenceFragment implements
         int highPowerCount = PowerWhitelistBackend.getInstance().getWhitelistSize();
         mHighPowerPreference.setSummary(getResources().getQuantityString(R.plurals.high_power_count,
                 highPowerCount, highPowerCount));
+        PermissionsSummaryHelper.getAppWithPermissionsCounts(getContext(), mPermissionCallback);
     }
 
     @Override
@@ -121,4 +125,19 @@ public class AdvancedAppSettings extends SettingsPreferenceFragment implements
     public void onLoadEntriesCompleted() {
         // No-op.
     }
+
+    private final PermissionsResultCallback mPermissionCallback = new PermissionsResultCallback() {
+        @Override
+        public void onPermissionCountResult(int[] result) {
+            if (getActivity() == null) {
+                return;
+            }
+            if (result != null) {
+                mAppPermsPreference.setSummary(getContext().getString(
+                        R.string.app_permissions_summary, result[0], result[1]));
+            } else {
+                mAppPermsPreference.setSummary(null);
+            }
+        }
+    };
 }

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

@@ -45,7 +45,6 @@ import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
-import android.provider.Settings;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
 import android.util.Log;
@@ -66,6 +65,7 @@ import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settings.Utils;
 import com.android.settings.applications.ApplicationsState.AppEntry;
+import com.android.settings.applications.PermissionsSummaryHelper.PermissionsResultCallback;
 import com.android.settings.fuelgauge.BatteryEntry;
 import com.android.settings.fuelgauge.PowerUsageDetail;
 import com.android.settings.net.ChartData;
@@ -461,7 +461,8 @@ public class InstalledAppDetails extends AppInfoBase
         // Update the preference summaries.
         Activity context = getActivity();
         mStoragePreference.setSummary(AppStorageSettings.getSummary(mAppEntry, context));
-//        mPermissionsPreference.setSummary(AppPermissionSettings.getSummary(mAppEntry, context));
+        PermissionsSummaryHelper.getPermissionCounts(getContext(), mPackageName,
+                mPermissionCallback);
         mLaunchPreference.setSummary(Utils.getLaunchByDeafaultSummary(mAppEntry, mUsbManager,
                 mPm, context));
         mNotificationPreference.setSummary(getNotificationSummary(mAppEntry, context,
@@ -832,6 +833,21 @@ public class InstalledAppDetails extends AppInfoBase
             updateForceStopButton(getResultCode() != Activity.RESULT_CANCELED);
         }
     };
+
+    private final PermissionsResultCallback mPermissionCallback = new PermissionsResultCallback() {
+        @Override
+        public void onPermissionCountResult(int[] result) {
+            if (getActivity() == null) {
+                return;
+            }
+            if (result != null) {
+                mPermissionsPreference.setSummary(getResources().getQuantityString(
+                        R.plurals.runtime_permissions_summary, result[1], result[0], result[1]));
+            } else {
+                mPermissionsPreference.setSummary(null);
+            }
+        }
+    };
 }
 
 

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

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2015 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.settings.applications;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+
+public class PermissionsSummaryHelper {
+
+    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 static void getPermissionCounts(Context context, String pkg,
+            PermissionsResultCallback callback) {
+        Intent request = new Intent(Intent.ACTION_GET_PERMISSIONS_COUNT);
+        request.putExtra(Intent.EXTRA_PACKAGE_NAME, pkg);
+        sendPermissionRequest(context, ACTION_PERM_COUNT_RESPONSE, request, callback);
+    }
+
+    public static void getAppWithPermissionsCounts(Context context,
+            PermissionsResultCallback callback) {
+        Intent request = new Intent(Intent.ACTION_GET_PERMISSIONS_COUNT);
+        sendPermissionRequest(context, ACTION_APP_COUNT_RESPONSE, request, callback);
+    }
+
+    private static void sendPermissionRequest(Context context, String action, Intent request,
+            final PermissionsResultCallback callback) {
+        BroadcastReceiver receiver = new BroadcastReceiver() {
+            @Override
+            public void onReceive(Context context, Intent intent) {
+                int[] result = intent.getIntArrayExtra(Intent.EXTRA_GET_PERMISSIONS_COUNT_RESULT);
+                callback.onPermissionCountResult(result);
+                context.unregisterReceiver(this);
+            }
+        };
+        context.registerReceiver(receiver, new IntentFilter(action));
+        request.putExtra(Intent.EXTRA_GET_PERMISSIONS_RESPONSE_INTENT, action);
+        request.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+        context.sendBroadcast(request);
+    }
+
+    public interface PermissionsResultCallback {
+        void onPermissionCountResult(int[] result);
+    }
+}