1 files changed, 108 insertions, 0 deletions
diff --git a/src/com/android/settings/wifi/AccessPointPreference.java b/src/com/android/settings/wifi/AccessPointPreference.java
new file mode 100644
index 0000000..10e0947
--- /dev/null
+++ b/src/com/android/settings/wifi/AccessPointPreference.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2007 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 com.android.settings.R;
+
+import android.net.wifi.WifiManager;
+import android.preference.Preference;
+import android.view.View;
+import android.widget.ImageView;
+
+public class AccessPointPreference extends Preference implements
+        AccessPointState.AccessPointStateCallback {
+    
+    // UI states
+    private static final int[] STATE_ENCRYPTED = { R.attr.state_encrypted };
+    private static final int[] STATE_EMPTY = { };
+    
+    // Signal strength indicator
+    private static final int UI_SIGNAL_LEVELS = 4;
+
+    private WifiSettings mWifiSettings;
+    
+    private AccessPointState mState;
+
+    public AccessPointPreference(WifiSettings wifiSettings, AccessPointState state) {
+        super(wifiSettings, null);
+        
+        mWifiSettings = wifiSettings;
+        mState = state;
+        
+        setWidgetLayoutResource(R.layout.preference_widget_wifi_signal);
+        
+        state.setCallback(this);
+        
+        refresh();
+    }
+    
+    public void refresh() {
+        setTitle(mState.getHumanReadableSsid());
+        setSummary(mState.getSummarizedStatus());
+
+        notifyChanged();
+    }
+    
+    public void refreshAccessPointState() {
+        refresh();
+        
+        // The ordering of access points could have changed due to the state change, so
+        // re-evaluate ordering
+        notifyHierarchyChanged();
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        ImageView signal = (ImageView) view.findViewById(R.id.signal);
+        if (mState.seen) {
+            signal.setImageResource(R.drawable.wifi_signal);
+            signal.setImageState(mState.hasSecurity() ? STATE_ENCRYPTED : STATE_EMPTY, true);
+            signal.setImageLevel(getUiSignalLevel());
+        } else {
+            signal.setImageDrawable(null);
+        }
+    }
+
+    private int getUiSignalLevel() {
+        return mState != null ? WifiManager.calculateSignalLevel(mState.signal, UI_SIGNAL_LEVELS)
+                : 0; 
+    }
+
+    /**
+     * Returns the {@link AccessPointState} associated with this preference.
+     * @return The {@link AccessPointState}.
+     */
+    public AccessPointState getAccessPointState() {
+        return mState;
+    }
+    
+    @Override
+    public int compareTo(Preference another) {
+        if (!(another instanceof AccessPointPreference)) {
+            // Let normal preferences go before us.
+            // NOTE: we should only be compared to Preference in our
+            //       category.
+            return 1;
+        }
+        
+        return mState.compareTo(((AccessPointPreference) another).mState);
+    }
+    
+}
+