Initial Contribution

1 files changed, 117 insertions, 0 deletions

diff --git a/src/com/android/settings/AirplaneModeEnabler.java b/src/com/android/settings/AirplaneModeEnabler.java
new file mode 100644
index 0000000..f47d679
--- /dev/null
+++ b/src/com/android/settings/AirplaneModeEnabler.java
@@ -0,0 +1,117 @@
+/*
+ * 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;
+
+import com.android.internal.telephony.PhoneStateIntentReceiver;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.Message;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.provider.Settings;
+import android.telephony.ServiceState;
+
+public class AirplaneModeEnabler implements Preference.OnPreferenceChangeListener {
+
+    private final Context mContext;
+
+    private PhoneStateIntentReceiver mPhoneStateReceiver;
+    
+    private final CheckBoxPreference mCheckBoxPref;
+
+    private static final int EVENT_SERVICE_STATE_CHANGED = 3;
+
+    private Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case EVENT_SERVICE_STATE_CHANGED:
+                    onAirplaneModeChanged();
+                    break;
+            }
+        }
+    };
+
+    public AirplaneModeEnabler(Context context, CheckBoxPreference airplaneModeCheckBoxPreference) {
+        
+        mContext = context;
+        mCheckBoxPref = airplaneModeCheckBoxPreference;
+        
+        airplaneModeCheckBoxPreference.setPersistent(false);
+    
+        mPhoneStateReceiver = new PhoneStateIntentReceiver(mContext, mHandler);
+        mPhoneStateReceiver.notifyServiceState(EVENT_SERVICE_STATE_CHANGED);
+    }
+
+    public void resume() {
+        
+        // This is the widget enabled state, not the preference toggled state
+        mCheckBoxPref.setEnabled(true);
+        mCheckBoxPref.setChecked(isAirplaneModeOn());
+
+        mPhoneStateReceiver.registerIntent();
+        mCheckBoxPref.setOnPreferenceChangeListener(this);
+    }
+    
+    public void pause() {
+        mPhoneStateReceiver.unregisterIntent();
+        mCheckBoxPref.setOnPreferenceChangeListener(null);
+    }
+    
+    private boolean isAirplaneModeOn() {
+        return Settings.System.getInt(mContext.getContentResolver(),
+                Settings.System.AIRPLANE_MODE_ON, 0) != 0;
+    }
+
+    private void setAirplaneModeOn(boolean enabling) {
+        
+        mCheckBoxPref.setEnabled(false);
+        mCheckBoxPref.setSummary(enabling ? R.string.airplane_mode_turning_on
+                : R.string.airplane_mode_turning_off);
+        
+        // Change the system setting
+        Settings.System.putInt(mContext.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 
+                                enabling ? 1 : 0);
+        
+        // Post the intent
+        Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
+        intent.putExtra("state", enabling);
+        mContext.sendBroadcast(intent);
+    }
+
+    /**
+     * Called when we've received confirmation that the airplane mode was set.
+     */
+    private void onAirplaneModeChanged() {
+        ServiceState serviceState = mPhoneStateReceiver.getServiceState();
+        boolean isPhoneOff = serviceState.getState() == ServiceState.STATE_POWER_OFF;
+        mCheckBoxPref.setChecked(isPhoneOff);
+        mCheckBoxPref.setSummary(R.string.airplane_mode_summary);            
+        mCheckBoxPref.setEnabled(true);
+    }
+    
+    /**
+     * Called when someone clicks on the checkbox preference.
+     */
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        setAirplaneModeOn((Boolean) newValue);
+        return true;
+    }
+
+}