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Watch for external Secure.DATA_ROAMING changes.

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Continue reading/writing Secure.DATA_ROAMING, but also observe
external changes and reevaluate connection state.

Bug: 5011957
Change-Id: Idc6589cf251adcf3110d9c9eb4ef1bd5fb936d14
This commit is contained in:
Jeff Sharkey
2011-07-11 16:20:18 -07:00
parent ddafb64f94
commit 9e6615afab
1 changed files with 52 additions and 14 deletions
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66
telephony/java/com/android/internal/telephony/DataConnectionTracker.java
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@@ -18,10 +18,12 @@ package com.android.internal.telephony;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.database.ContentObserver;
import android.net.LinkCapabilities;
import android.net.LinkProperties;
import android.net.NetworkInfo;
@@ -334,6 +336,31 @@ public abstract class DataConnectionTracker extends Handler {
}
};
private final DataRoamingSettingObserver mDataRoamingSettingObserver;
private class DataRoamingSettingObserver extends ContentObserver {
public DataRoamingSettingObserver(Handler handler) {
super(handler);
}
public void register(Context context) {
final ContentResolver resolver = context.getContentResolver();
resolver.registerContentObserver(
Settings.Secure.getUriFor(Settings.Secure.DATA_ROAMING), false, this);
}
public void unregister(Context context) {
final ContentResolver resolver = context.getContentResolver();
resolver.unregisterContentObserver(this);
}
@Override
public void onChange(boolean selfChange) {
// already running on mPhone handler thread
handleDataOnRoamingChange();
}
}
protected boolean isDataSetupCompleteOk(AsyncResult ar) {
if (ar.exception != null) {
if (DBG) log("isDataSetupCompleteOk return false, ar.result=" + ar.result);
@@ -398,6 +425,10 @@ public abstract class DataConnectionTracker extends Handler {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext());
mAutoAttachOnCreation = sp.getBoolean(PhoneBase.DATA_DISABLED_ON_BOOT_KEY, false);
// watch for changes to Settings.Secure.DATA_ROAMING
mDataRoamingSettingObserver = new DataRoamingSettingObserver(mPhone);
mDataRoamingSettingObserver.register(mPhone.getContext());
}
public void dispose() {
@@ -407,6 +438,7 @@ public abstract class DataConnectionTracker extends Handler {
mDataConnectionAsyncChannels.clear();
mIsDisposed = true;
mPhone.getContext().unregisterReceiver(this.mIntentReceiver);
mDataRoamingSettingObserver.unregister(mPhone.getContext());
}
protected void broadcastMessenger() {
@@ -461,32 +493,38 @@ public abstract class DataConnectionTracker extends Handler {
return result;
}
//The data roaming setting is now located in the shared preferences.
// See if the requested preference value is the same as that stored in
// the shared values. If it is not, then update it.
/**
* Modify {@link Settings.Secure#DATA_ROAMING} value.
*/
public void setDataOnRoamingEnabled(boolean enabled) {
if (getDataOnRoamingEnabled() != enabled) {
Settings.Secure.putInt(mPhone.getContext().getContentResolver(),
Settings.Secure.DATA_ROAMING, enabled ? 1 : 0);
if (mPhone.getServiceState().getRoaming()) {
if (enabled) {
resetAllRetryCounts();
}
sendMessage(obtainMessage(EVENT_ROAMING_ON));
}
final ContentResolver resolver = mPhone.getContext().getContentResolver();
Settings.Secure.putInt(resolver, Settings.Secure.DATA_ROAMING, enabled ? 1 : 0);
// will trigger handleDataOnRoamingChange() through observer
}
}
// Retrieve the data roaming setting from the shared preferences.
/**
* Return current {@link Settings.Secure#DATA_ROAMING} value.
*/
public boolean getDataOnRoamingEnabled() {
try {
return Settings.Secure.getInt(
mPhone.getContext().getContentResolver(), Settings.Secure.DATA_ROAMING) > 0;
final ContentResolver resolver = mPhone.getContext().getContentResolver();
return Settings.Secure.getInt(resolver, Settings.Secure.DATA_ROAMING) != 0;
} catch (SettingNotFoundException snfe) {
return false;
}
}
private void handleDataOnRoamingChange() {
if (mPhone.getServiceState().getRoaming()) {
if (getDataOnRoamingEnabled()) {
resetAllRetryCounts();
}
sendMessage(obtainMessage(EVENT_ROAMING_ON));
}
}
// abstract methods
protected abstract String getActionIntentReconnectAlarm();
protected abstract void startNetStatPoll();