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content / test / data / mojo_bindings_web_test.test-mojom [blame]

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module mojo_bindings_test.mojom;

// NOTE: This import exists to exercise automatic dependency loading in
// generated JS modules.
import "content/test/data/mojo_bindings_web_test_types.test-mojom";

// An interface whose definition covers various types of message signatures in
// order to exercise the lite JS mojom bindings.
interface TestMessageTarget {
  enum NestedEnum {
    kFoo,
    kBar,
  };

  // Zero arguments, no reply.
  Poke();

  // Zero-argument request, zero-argument reply.
  Ping() => ();

  // Request and reply both with arguments.
  Repeat(string? message, array<int32>? numbers)
      => (string? message, array<int32>? numbers);

  Echo(NestedEnum nested) => (NestedEnum nested);

  Deconstruct(TestStruct test_struct)
       => (int32 x, int32 y,
           // Using TestStruct.StructEnum causes a compile failure. Use
           // int32 instead.
           // TODO(crbug.com/40102018): Change |z| to TestStruct.StructEnum.
           int32 z);

  Flatten(array<TestStruct> values) => (array<int32> values);
  FlattenUnions(array<TestUnion> unions) => (array<int32> x, array<int32> s);

  RequestSubinterface(pending_receiver<Subinterface> receiver,
                      pending_remote<SubinterfaceClient> client);
};

interface Subinterface {
  Push(int32 value);
  Flush();
};

interface SubinterfaceClient {
  DidFlush(array<int32> values);
};

struct StructVersionTest {
  string a;
  string b;
  [MinVersion=1] string? c;
  [MinVersion=2] string? d;
};

interface InterfaceVersionTest {
  Foo(int32 x, [MinVersion=1] int32 y) => (int32 z, [MinVersion=1] int32 w);
};

interface Counter {
  // Two different varieties of observer addition to exercise sending remotes
  // and receiving receivers.
  AddObserver(pending_associated_remote<CounterObserver> observer);
  AddNewObserver() => (pending_associated_receiver<CounterObserver> receiver);
  RemoveAllObservers();

  // Two different varieties of cloning to exercise sending receivers and
  // receiving remotes.
  Clone(pending_associated_receiver<Counter> receiver);
  CloneToNewRemote() => (pending_associated_remote<Counter> remote);

  // Increments the counter, notifies all observers, then replies. Because
  // observers are associated with this interface, they are therefore guaranteed
  // to observe an increment before the caller observes its corresponding reply.
  Increment() => (int32 count);
};

interface CounterObserver {
  OnCountChanged(int32 count);
  OnCloneDisconnected();
};