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Code Issues Releases Wiki Activity

Refactor OpenPgpServiceConnection with better callback

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This commit is contained in:
Dominik Schürmann 2014-08-12 13:46:34 +02:00
parent 940a1d8eeb
commit cbfeb90cec
1 changed files with 16 additions and 13 deletions
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29
src/org/openintents/openpgp/util/OpenPgpServiceConnection.java
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@ -26,9 +26,11 @@ import android.os.IBinder;
public class OpenPgpServiceConnection { public class OpenPgpServiceConnection {
// interface to create callbacks for onServiceConnected // callback interface
public interface OnBound { public interface OnBound {
public void onBound(IOpenPgpService service); public void onBound(IOpenPgpService service);
public void onError(Exception e);
} }
private Context mApplicationContext; private Context mApplicationContext;
@ -39,19 +41,19 @@ public class OpenPgpServiceConnection {
private OnBound mOnBoundListener; private OnBound mOnBoundListener;
/** /**
* Create new OpenPgpServiceConnection * Create new connection
* *
* @param context * @param context
* @param providerPackageName specify package name of OpenPGP provider, * @param providerPackageName specify package name of OpenPGP provider,
* e.g., "org.sufficientlysecure.keychain" * e.g., "org.sufficientlysecure.keychain"
*/ */
public OpenPgpServiceConnection(Context context, String providerPackageName) { public OpenPgpServiceConnection(Context context, String providerPackageName) {
this.mApplicationContext = context.getApplicationContext(); this.mApplicationContext = context;
this.mProviderPackageName = providerPackageName; this.mProviderPackageName = providerPackageName;
} }
/** /**
* Create new OpenPgpServiceConnection * Create new connection with callback
* *
* @param context * @param context
* @param providerPackageName specify package name of OpenPGP provider, * @param providerPackageName specify package name of OpenPGP provider,
@ -60,8 +62,7 @@ public class OpenPgpServiceConnection {
*/ */
public OpenPgpServiceConnection(Context context, String providerPackageName, public OpenPgpServiceConnection(Context context, String providerPackageName,
OnBound onBoundListener) { OnBound onBoundListener) {
this.mApplicationContext = context.getApplicationContext(); this(context, providerPackageName);
this.mProviderPackageName = providerPackageName;
this.mOnBoundListener = onBoundListener; this.mOnBoundListener = onBoundListener;
} }
@ -91,23 +92,25 @@ public class OpenPgpServiceConnection {
* *
* @return * @return
*/ */
public boolean bindToService() { public void bindToService() {
// if not already bound... // if not already bound...
if (mService == null) { if (mService == null) {
try { try {
Intent serviceIntent = new Intent(); Intent serviceIntent = new Intent(OpenPgpApi.SERVICE_INTENT);
serviceIntent.setAction(IOpenPgpService.class.getName());
// NOTE: setPackage is very important to restrict the intent to this provider only! // NOTE: setPackage is very important to restrict the intent to this provider only!
serviceIntent.setPackage(mProviderPackageName); serviceIntent.setPackage(mProviderPackageName);
mApplicationContext.bindService(serviceIntent, mServiceConnection, mApplicationContext.bindService(serviceIntent, mServiceConnection,
Context.BIND_AUTO_CREATE); Context.BIND_AUTO_CREATE);
return true;
} catch (Exception e) { } catch (Exception e) {
return false; if (mOnBoundListener != null) {
mOnBoundListener.onError(e);
}
} }
} else { } else {
return true; // already bound, but also inform client about it with callback
if (mOnBoundListener != null) {
mOnBoundListener.onBound(mService);
}
} }
} }