components/arc/common/pip.mojom

// Copyright 2018 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.
//
// Next MinVersion: 1

module arc.mojom;

// Contains the types of PIP events that happened in Android that we may want
// to react to on the Chrome side. Currently, this only contains the ENTER
// event, but if we want to signal other events later, we can add
// a new event type here (e.g. media started/stopped playing).
[Extensible]
enum ArcPipEvent {
  ENTER = 0,
};

// Interface for Android communicating to Chrome.
// Next Method ID: 1
interface PipHost {
  // Tells Chrome about the status of the Android PIP window. If Android
  // opens a PIP window, we may want to close any existing Chrome-side PIP
  // windows.
  OnPipEvent@0(ArcPipEvent event);
};

// Interface for communicating to Android.
// Next Method ID: 2
interface PipInstance {
  // Establishes full-duplex communication with the host.
  Init@0(PipHost host_ptr) => ();

  // Instruct Android to close the current Android PIP window, if it exists.
  // This is used if the user initiates a Chrome side PIP window, since we
  // want to avoid showing two PIP windows at the same time.
  ClosePip@1();
};