diff options
3 files changed, 240 insertions, 0 deletions
diff --git a/mojo/android/javatests/src/org/chromium/mojo/bindings/CallbacksTest.java b/mojo/android/javatests/src/org/chromium/mojo/bindings/CallbacksTest.java new file mode 100644 index 0000000..dfb8e21 --- /dev/null +++ b/mojo/android/javatests/src/org/chromium/mojo/bindings/CallbacksTest.java @@ -0,0 +1,59 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +package org.chromium.mojo.bindings; + +import android.test.suitebuilder.annotation.SmallTest; + +import junit.framework.TestCase; + +import org.chromium.mojo.bindings.Callbacks.Callback1; +import org.chromium.mojo.bindings.Callbacks.Callback7; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +/** + * Testing generated callbacks + */ +public class CallbacksTest extends TestCase { + + /** + * Testing {@link Callback1}. + */ + @SmallTest + public void testCallback1() { + final List<Integer> parameters = new ArrayList<Integer>(); + new Callback1<Integer>() { + @Override + public void call(Integer i1) { + parameters.add(i1); + } + }.call(1); + assertEquals(Arrays.asList(1), parameters); + } + + /** + * Testing {@link Callback7}. + */ + @SmallTest + public void testCallback7() { + final List<Integer> parameters = new ArrayList<Integer>(); + new Callback7<Integer, Integer, Integer, Integer, Integer, Integer, Integer>() { + @Override + public void call(Integer i1, Integer i2, Integer i3, Integer i4, Integer i5, Integer i6, + Integer i7) { + parameters.add(i1); + parameters.add(i2); + parameters.add(i3); + parameters.add(i4); + parameters.add(i5); + parameters.add(i6); + parameters.add(i7); + } + }.call(1, 2, 3, 4, 5, 6, 7); + assertEquals(Arrays.asList(1, 2, 3, 4, 5, 6, 7), parameters); + } +} diff --git a/mojo/bindings/java/src/org/chromium/mojo/bindings/Callbacks.java b/mojo/bindings/java/src/org/chromium/mojo/bindings/Callbacks.java new file mode 100644 index 0000000..7b35cc0 --- /dev/null +++ b/mojo/bindings/java/src/org/chromium/mojo/bindings/Callbacks.java @@ -0,0 +1,121 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// This file was generated using +// mojo/tools/generate_java_callback_interfaces.py + +package org.chromium.mojo.bindings; + +/** + * Contains a generic interface for callbacks. + */ +public interface Callbacks { + + /** + * A generic 1-argument callback. + * + * @param <T1> the type of argument 1. + */ + interface Callback1<T1> { + /** + * Call the callback. + */ + public void call(T1 arg1); + } + + /** + * A generic 2-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + */ + interface Callback2<T1, T2> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2); + } + + /** + * A generic 3-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + * @param <T3> the type of argument 3. + */ + interface Callback3<T1, T2, T3> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2, T3 arg3); + } + + /** + * A generic 4-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + * @param <T3> the type of argument 3. + * @param <T4> the type of argument 4. + */ + interface Callback4<T1, T2, T3, T4> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2, T3 arg3, T4 arg4); + } + + /** + * A generic 5-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + * @param <T3> the type of argument 3. + * @param <T4> the type of argument 4. + * @param <T5> the type of argument 5. + */ + interface Callback5<T1, T2, T3, T4, T5> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5); + } + + /** + * A generic 6-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + * @param <T3> the type of argument 3. + * @param <T4> the type of argument 4. + * @param <T5> the type of argument 5. + * @param <T6> the type of argument 6. + */ + interface Callback6<T1, T2, T3, T4, T5, T6> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6); + } + + /** + * A generic 7-argument callback. + * + * @param <T1> the type of argument 1. + * @param <T2> the type of argument 2. + * @param <T3> the type of argument 3. + * @param <T4> the type of argument 4. + * @param <T5> the type of argument 5. + * @param <T6> the type of argument 6. + * @param <T7> the type of argument 7. + */ + interface Callback7<T1, T2, T3, T4, T5, T6, T7> { + /** + * Call the callback. + */ + public void call(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7); + } + +} + diff --git a/mojo/tools/generate_java_callback_interfaces.py b/mojo/tools/generate_java_callback_interfaces.py new file mode 100644 index 0000000..f19ef6d --- /dev/null +++ b/mojo/tools/generate_java_callback_interfaces.py @@ -0,0 +1,60 @@ +"""Generate the org.chromium.mojo.bindings.Callbacks interface""" + +import argparse +import sys + +CALLBACK_TEMPLATE = (""" + /** + * A generic %d-argument callback. + * + * %s + */ + interface Callback%d<%s> { + /** + * Call the callback. + */ + public void call(%s); + } +""") + +INTERFACE_TEMPLATE = ( +"""// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// This file was generated using +// mojo/tools/generate_java_callback_interfaces.py + +package org.chromium.mojo.bindings; + +/** + * Contains a generic interface for callbacks. + */ +public interface Callbacks { +%s +} +""") + +def GenerateCallback(nb_args): + params = '\n * '.join( + ['@param <T%d> the type of argument %d.' % (i+1, i+1) + for i in xrange(nb_args)]) + template_parameters = ', '.join(['T%d' % (i+1) for i in xrange(nb_args)]) + callback_parameters = ', '.join(['T%d arg%d' % ((i+1), (i+1)) + for i in xrange(nb_args)]) + return CALLBACK_TEMPLATE % (nb_args, params, nb_args, template_parameters, + callback_parameters) + +def main(): + parser = argparse.ArgumentParser( + description="Generate org.chromium.mojo.bindings.Callbacks") + parser.add_argument("max_args", nargs=1, type=int, + help="maximal number of arguments to generate callbacks for") + args = parser.parse_args() + max_args = args.max_args[0] + print INTERFACE_TEMPLATE % ''.join([GenerateCallback(i+1) + for i in xrange(max_args)]) + return 0 + +if __name__ == "__main__": + sys.exit(main()) |