Add conditionals to Settings

Also add Airplane Mode and Hotspot conditionals (more to come soon)

Change-Id: I11f206db59f7c715f416fb5852b8f0fcb857a247

src/com/android/settings/dashboard/conditional/AirplaneModeCondition.java

@@ -0,0 +1,95 @@
+/*
+ * 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.dashboard.conditional;
+
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Icon;
+import android.net.ConnectivityManager;
+import com.android.settings.R;
+import com.android.settings.Settings;
+import com.android.settingslib.WirelessUtils;
+
+public class AirplaneModeCondition extends Condition {
+
+    public AirplaneModeCondition(ConditionManager conditionManager) {
+        super(conditionManager);
+    }
+
+    @Override
+    public void refreshState() {
+        setActive(WirelessUtils.isAirplaneModeOn(mManager.getContext()));
+    }
+
+    @Override
+    protected void onSilenceChanged(boolean silenced) {
+        // Only need to listen for airplane mode changes when its been silenced.
+        PackageManager pm = mManager.getContext().getPackageManager();
+        pm.setComponentEnabledSetting(new ComponentName(mManager.getContext(), Receiver.class),
+                silenced ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
+                        : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+                PackageManager.DONT_KILL_APP);
+    }
+
+    @Override
+    public Icon getIcon() {
+        return Icon.createWithResource(mManager.getContext(), R.drawable.ic_airplane);
+    }
+
+    @Override
+    public CharSequence getTitle() {
+        return mManager.getContext().getString(R.string.condition_airplane_title);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mManager.getContext().getString(R.string.condition_airplane_summary);
+    }
+
+    @Override
+    public CharSequence[] getActions() {
+        return new CharSequence[] { mManager.getContext().getString(R.string.condition_turn_off) };
+    }
+
+    @Override
+    public void onPrimaryClick() {
+        mManager.getContext().startActivity(new Intent(mManager.getContext(),
+                Settings.WirelessSettings.class));
+    }
+
+    @Override
+    public void onActionClick(int index) {
+        if (index == 0) {
+            ConnectivityManager.from(mManager.getContext()).setAirplaneMode(false);
+            setActive(false);
+        } else {
+            throw new IllegalArgumentException("Unexpected index " + index);
+        }
+    }
+
+    public static class Receiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (Intent.ACTION_AIRPLANE_MODE_CHANGED.equals(intent.getAction())) {
+                ConditionManager.get(context).getCondition(AirplaneModeCondition.class)
+                        .refreshState();
+            }
+        }
+    }
+}