Updated: Wi-Fi p2p initial UI implementation

Change-Id: If60f42f76fa07a868d2e11b012b4697252c69f5f

src/com/android/settings/wifi/p2p/WifiP2pPeer.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2011 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.p2p;
+
+import com.android.settings.R;
+
+import android.content.Context;
+import android.net.wifi.WifiManager;
+import android.net.wifi.p2p.WifiP2pManager;
+import android.net.wifi.p2p.WifiP2pDevice;
+import android.net.wifi.p2p.WifiP2pDevice.Status;
+import android.preference.Preference;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.ImageView;
+
+import java.util.Comparator;
+
+public class WifiP2pPeer extends Preference {
+
+    private static final int[] STATE_SECURED = {R.attr.state_encrypted};
+    public WifiP2pDevice device;
+
+    private int mRssi;
+    private ImageView mSignal;
+
+    private static final int SIGNAL_LEVELS = 4;
+
+    public WifiP2pPeer(Context context, WifiP2pDevice dev) {
+        super(context);
+        device = dev;
+        setWidgetLayoutResource(R.layout.preference_widget_wifi_signal);
+        mRssi = 60; //TODO: fix
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        if (TextUtils.isEmpty(device.deviceName)) {
+            setTitle(device.deviceAddress);
+        } else {
+            setTitle(device.deviceName);
+        }
+        mSignal = (ImageView) view.findViewById(R.id.signal);
+        if (mRssi == Integer.MAX_VALUE) {
+            mSignal.setImageDrawable(null);
+        } else {
+            mSignal.setImageResource(R.drawable.wifi_signal);
+            mSignal.setImageState(STATE_SECURED,  true);
+        }
+        refresh();
+        super.onBindView(view);
+    }
+
+    @Override
+    public int compareTo(Preference preference) {
+        if (!(preference instanceof WifiP2pPeer)) {
+            return 1;
+        }
+        WifiP2pPeer other = (WifiP2pPeer) preference;
+
+        // devices go in the order of the status
+        if (device.status != other.device.status) {
+            return device.status.ordinal() < other.device.status.ordinal() ? -1 : 1;
+        }
+
+        // Sort by name/address
+        if (device.deviceName != null) {
+            return device.deviceName.compareToIgnoreCase(other.device.deviceName);
+        }
+
+        return device.deviceAddress.compareToIgnoreCase(other.device.deviceAddress);
+    }
+
+    int getLevel() {
+        if (mRssi == Integer.MAX_VALUE) {
+            return -1;
+        }
+        return WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS);
+    }
+
+    private void refresh() {
+        if (mSignal == null) {
+            return;
+        }
+        Context context = getContext();
+        mSignal.setImageLevel(getLevel());
+        String[] statusArray = context.getResources().getStringArray(R.array.wifi_p2p_status);
+        setSummary(statusArray[device.status.ordinal()]);
+    }
+}