/*
* Copyright 2010-2011 Research In Motion Limited.
*
* 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 blackberry.ui.dialog;
import net.rim.device.api.script.Scriptable;
import net.rim.device.api.script.ScriptableFunction;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.Dialog;
import blackberry.core.FunctionSignature;
import blackberry.core.ScriptableFunctionBase;
/**
* Implementation of asynchronous standard ask function (blackberry.ui.dialog.standardAskAsync)
*
* @author dmateescu
*
*/
public class StandardAskAsyncFunction extends ScriptableFunctionBase {
public static final String NAME = "standardAskAsync";
/**
* @see blackberry.core.ScriptableFunctionBase#execute(Object, Object[])
*/
public Object execute( Object thiz, Object[] args ) throws Exception {
String message;
int type;
final boolean global = false;
// message
message = (String) args[ 0 ];
// type
type = ( (Integer) args[ 1 ] ).intValue();
if( type < Dialog.D_OK || type > Dialog.D_OK_CANCEL ) {
throw new IllegalArgumentException();
}
// default choice
final int defaultChoice = DialogNamespace.getDefaultChoice( type );
//callback function
ScriptableFunction callback = (ScriptableFunction) args[ 2 ];
Runnable dr = DialogRunnableFactory.getStandardAskRunnable(message, type, defaultChoice, global, callback);
// queue
UiApplication.getUiApplication().invokeLater(dr);
// return value
return Scriptable.UNDEFINED;
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
FunctionSignature fs = new FunctionSignature( 3 );
// message
fs.addParam( String.class, true );
// type
fs.addParam( Integer.class, true );
// callback
fs.addParam( ScriptableFunction.class, true );
// filler
fs.addParam( Object.class, false );
return new FunctionSignature[] { fs };
}
}