Q.java

package com.asayama.gwt.angular.client.q;

import com.asayama.gwt.angular.client.Injector;
import com.asayama.gwt.angular.client.Service;
import com.asayama.gwt.jsni.client.JSArray;
import com.google.gwt.core.client.JavaScriptObject;


public class Q implements Service {

    @Injector.Inject
    private NGQ ngo;

    public <V> Deferred<V> defer() {
        return ngo.defer().cast();
    }

    public Promise<JSArray<?>> all(Promise<?>... promises) {
        return ngo.all(JSArray.create(promises));
    }
}

@Injector.Bind("$q")
class NGQ extends JavaScriptObject {

    protected NGQ() {
    }

    final native Deferred<?> defer() /*-{
        return this.defer();
    }-*/;

    final native Promise<JSArray<?>> all(JSArray<Promise<?>> jsarray) /*-{
        return this.all(jsarray);
    }-*/;
}