Restore the premiume SMS Preference.

Fixes: 27657256
Change-Id: I396eb9ba71f51fed517d7f958873369bc0ab011e

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

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2016 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.Context;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import com.android.internal.telephony.ISms;
+import com.android.internal.telephony.SmsUsageMonitor;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+
+import java.util.ArrayList;
+
+/**
+ * Connects the info provided by ApplicationsState and premium sms permission state.
+ */
+public class AppStateSmsPremBridge extends AppStateBaseBridge {
+
+    private final Context mContext;
+    private final ISms mSmsManager;
+
+    public AppStateSmsPremBridge(Context context, ApplicationsState appState, Callback callback) {
+        super(appState, callback);
+        mContext = context;
+        mSmsManager = ISms.Stub.asInterface(ServiceManager.getService("isms"));
+    }
+
+    @Override
+    protected void loadAllExtraInfo() {
+        ArrayList<AppEntry> apps = mAppSession.getAllApps();
+        final int N = apps.size();
+        for (int i = 0; i < N; i++) {
+            AppEntry app = apps.get(i);
+            updateExtraInfo(app, app.info.packageName, app.info.uid);
+        }
+    }
+
+    @Override
+    protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
+        app.extraInfo = getState(pkg);
+    }
+
+    public SmsState getState(String pkg) {
+        final SmsState state = new SmsState();
+        state.smsState = getSmsState(pkg);
+        return state;
+    }
+
+    private int getSmsState(String pkg) {
+        try {
+            return mSmsManager.getPremiumSmsPermission(pkg);
+        } catch (RemoteException e) {
+            return SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
+        }
+    }
+
+    public void setSmsState(String pkg, int state) {
+        try {
+            mSmsManager.setPremiumSmsPermission(pkg, state);
+        } catch (RemoteException e) {
+        }
+    }
+
+    public static class SmsState {
+        public int smsState;
+
+        public boolean isGranted() {
+            return smsState == SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW;
+        }
+    }
+
+    public static final AppFilter FILTER_APP_PREMIUM_SMS = new AppFilter() {
+        @Override
+        public void init() {
+        }
+
+        @Override
+        public boolean filterApp(AppEntry info) {
+            return info.extraInfo instanceof SmsState && ((SmsState) info.extraInfo).smsState
+                    != SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
+        }
+    };
+}