// 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.

module arc.mojom;

// Represents the information of an Android IME.
struct ImeInfo {
  // The unique ID for the Android IME. Corresponds to InputMethodInfo.getId().
  string ime_id;
  // The user-displayed label for the IME. Corresponds to
  // InputMethodInfo.loadLabel().
  string display_name;
  // Whether the IME is enabled or not. It's equivalent to whether the IME is
  // in ENABLED_INPUT_METHODS settings.
  bool enabled;
  // intent: URL to open the settings activity of the IME.
  string settings_url;
};

// This interface is called by container when Android's InputMethodManager state
// is changed.
// In Android container, ArcInputMethodService IME is pre-installed to bridge
// Chrome OS's IME to Android apps. The bridge is defined in ime.mojom.
//
// Next method ID: 2
interface InputMethodManagerHost {
  // Notifies Chrome that active IME in Android is changed.
  OnActiveImeChanged@0(string ime_id);

  // Notifies Chrome of information of installed IMEs in Android.
  // The passed list doesn't contain information of our bridge IME,
  // ArcInputMethodService.
  OnImeInfoChanged@1(array<ImeInfo> ime_infos);
};

// This interface provides methods to control Android's InputMethodManager.
//
// Next method ID: 3
interface InputMethodManagerInstance {
  // Establishes full-duplex communication with the host.
  Init@0(InputMethodManagerHost host_ptr) => ();

  // Enables/Disables an IME in Android. Calling this method will add/remove
  // the specified IME to/from ENABLED_INPUT_METHODS settings.
  EnableIme@1(string ime_id, bool enable) => (bool success);

  // Switches active IME in Android.
  SwitchImeTo@2(string ime_id) => (bool success);
};