Add ConnectedAccessPointPreference

This preference contains:
1. All the logic from AccessPointPreference
2. Gear icon on the right

Bug: 68807544
Test: RunSettingsRoboTests & Screenshot
Change-Id: I128401d81b075c4e9c5ca711562de26e73147745

src/com/android/settings/wifi/ConnectedAccessPointPreference.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2017 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.wifi;
+
+import android.content.Context;
+import android.support.annotation.DrawableRes;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.View;
+
+import com.android.settings.R;
+import com.android.settingslib.wifi.AccessPoint;
+import com.android.settingslib.wifi.AccessPointPreference;
+
+/**
+ * An AP preference for the currently connected AP
+ */
+public class ConnectedAccessPointPreference extends AccessPointPreference implements
+        View.OnClickListener {
+
+    private OnGearClickListener mOnGearClickListener;
+
+    public ConnectedAccessPointPreference(AccessPoint accessPoint, Context context,
+            UserBadgeCache cache, @DrawableRes int iconResId, boolean forSavedNetworks) {
+        super(accessPoint, context, cache, iconResId, forSavedNetworks);
+    }
+
+    public void setOnGearClickListener(OnGearClickListener l) {
+        mOnGearClickListener = l;
+        notifyChanged();
+    }
+
+    @Override
+    protected int getSecondTargetResId() {
+        return R.layout.preference_widget_gear;
+    }
+
+    @Override
+    protected boolean shouldHideSecondTarget() {
+        return mOnGearClickListener == null;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        final View gear = holder.findViewById(R.id.settings_button);
+        if (gear != null) {
+            gear.setOnClickListener(this);
+        }
+        setDividerVisibility(holder, View.VISIBLE);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v.getId() == R.id.settings_button) {
+            if (mOnGearClickListener != null) {
+                mOnGearClickListener.onGearClick(this);
+            }
+        }
+    }
+
+    public interface OnGearClickListener {
+        void onGearClick(ConnectedAccessPointPreference p);
+    }
+}