IOSSchedulers for RoboVM

Author: ashleyj

rxjava-contrib/rxjava-ios/build.gradle

@@ -0,0 +1,39 @@
+apply plugin: 'osgi'
+
+dependencies {
+    compile project(':rxjava-core')
+
+    // testing
+    provided 'junit:junit-dep:4.10'
+    compile 'org.robovm:robovm-rt:0.0.12'
+    compile 'org.robovm:robovm-objc:0.0.12'
+    compile 'org.robovm:robovm-cocoatouch:0.0.12'
+}
+
+javadoc {
+    options {
+        doclet = "org.benjchristensen.doclet.DocletExclude"
+        docletpath = [rootProject.file('./gradle/doclet-exclude.jar')]
+        stylesheetFile = rootProject.file('./gradle/javadocStyleSheet.css')
+        windowTitle = "RxJava iOS Javadoc ${project.version}"
+    }
+    options.addStringOption('top').value = '<h2 class="title" style="padding-top:40px">RxJava iOS</h2>'
+}
+
+jar {
+    manifest {
+        name = 'rxjava-ios'
+        instruction 'Bundle-Vendor', 'Netflix'
+        instruction 'Bundle-DocURL', 'https://github.com/Netflix/RxJava'
+        instruction 'Import-Package', '!org.junit,!junit.framework,!org.mockito.*,*'
+        instruction 'Fragment-Host', 'com.netflix.rxjava.core'
+    }
+}
+
+test {
+    testLogging {
+        exceptionFormat "full"
+        events "started"
+        displayGranularity 2
+    }
+}

rxjava-contrib/rxjava-ios/src/main/java/rx/ios/schedulers/HandlerThreadScheduler.java

@@ -0,0 +1,109 @@
+package rx.ios.schedulers;
+/**
+ * Copyright 2013 Netflix, Inc.
+ * Copyright 2014 Ashley Williams
+ *
+ * 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.
+ */
+
+
+import org.robovm.apple.foundation.NSBlockOperation;
+import org.robovm.apple.foundation.NSOperationQueue;
+import rx.Scheduler;
+import rx.Subscription;
+import rx.functions.Action0;
+import rx.subscriptions.BooleanSubscription;
+import rx.subscriptions.Subscriptions;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Schedules actions to run on an iOS Handler thread.
+ */
+public class HandlerThreadScheduler extends Scheduler {
+
+    private final NSOperationQueue operationQueue;
+
+    public HandlerThreadScheduler(NSOperationQueue operationQueue) {
+        this.operationQueue = operationQueue;
+    }
+
+    @Override
+    public Worker createWorker() {
+        return new InnerHandlerThreadScheduler(operationQueue);
+    }
+
+
+    private static class InnerHandlerThreadScheduler extends Worker {
+
+        private final NSOperationQueue operationQueue;
+        private BooleanSubscription innerSubscription = new BooleanSubscription();
+
+
+        public InnerHandlerThreadScheduler(NSOperationQueue operationQueue) {
+            this.operationQueue = operationQueue;
+        }
+
+        @Override
+        public void unsubscribe() {
+            innerSubscription.unsubscribe();
+        }
+
+        @Override
+        public boolean isUnsubscribed() {
+            return innerSubscription.isUnsubscribed();
+        }
+
+        @Override
+        public Subscription schedule(Action0 action0) {
+            return schedule(action0, 0, TimeUnit.MILLISECONDS);
+        }
+
+        @Override
+        public Subscription schedule(final Action0 action, long delayTime, TimeUnit unit) {
+
+            ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
+            final NSBlockOperation runOperation = new NSBlockOperation();
+
+            executor.schedule(new Runnable() {
+                @Override
+                public void run() {
+                    if (isUnsubscribed()) {
+                        return;
+                    }
+                    /* Runnable for action */
+                    final Runnable actionRunner = new Runnable() {
+                        @Override
+                        public void run() {
+                            action.call();
+                        }
+                    };
+
+                    runOperation.addExecutionBlock$(actionRunner);
+
+                    /* Add operation to operation queue*/
+                    operationQueue.addOperation(runOperation);
+                }
+            }, delayTime, unit);
+
+            return Subscriptions.create(new Action0() {
+                @Override
+                public void call() {
+                    runOperation.cancel();
+                }
+            });
+        }
+    }
+}

rxjava-contrib/rxjava-ios/src/main/java/rx/ios/schedulers/IOSSchedulers.java

@@ -0,0 +1,40 @@
+/**
+ * Copyright 2013 Netflix, Inc.
+ * Copyright 2014 Ashley Williams
+ *
+ * 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 rx.ios.schedulers;
+
+import rx.Scheduler;
+import org.robovm.apple.foundation.NSOperationQueue;
+
+
+public class IOSSchedulers {
+
+    private static final Scheduler MAIN_THREAD_SCHEDULER =
+            new HandlerThreadScheduler((NSOperationQueue) NSOperationQueue.getMainQueue());
+
+    private IOSSchedulers(){
+
+    }
+
+
+    public static Scheduler handlerThread(final NSOperationQueue operationQueue) {
+        return new HandlerThreadScheduler(operationQueue);
+    }
+
+    public static Scheduler mainThread() {
+        return MAIN_THREAD_SCHEDULER;
+    }
+}

settings.gradle

@@ -7,6 +7,7 @@ include 'rxjava-core', \
 'language-adaptors:rxjava-kotlin', \
 'rxjava-contrib:rxjava-swing', \
 //'rxjava-contrib:rxjava-javafx', \
+'rxjava-contrib:rxjava-ios', \
 'rxjava-contrib:rxjava-android', \
 'rxjava-contrib:rxjava-android-samples-build-wrapper', \
 'rxjava-contrib:rxjava-apache-http', \