// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";

package cast_receiver;

option optimize_for = LITE_RUNTIME;


option java_multiple_files = true;
option java_package = "com.google.pixel.exo.services";
option java_outer_classname = "TouchInputServiceProto";

// Next ID: 4
message Touch {
  // Unique identifier for this Touch object. A given touch point will have the
  // same identifier for the duration of its movement around the surface. This
  // lets us ensure that we are tracking the same touch all the time.
  int32 id = 1;

  // The ratio computed by X coordinate relative to display width in pixels. For
  // example, if the absolute X is 128 and display width is 1280, this x_ratio
  // value will be computed as (128 / 1280) to send.
  float x_ratio = 2;

  // The ratio computed by Y coordinate relative to display height in pixels.
  float y_ratio = 3;
}

// Next ID: 7
message TouchEvent {
  enum ActionType {
    UNKNOWN = 0;
    TOUCH_DOWN = 1;
    TOUCH_UP = 2;
    TOUCH_MOVE = 3;
    TOUCH_CANCEL = 4;
  }

  // The touch action type.
  ActionType action_type = 1;

  // A list of Touch objects for touch points that are still in contact with the
  // touch surface. It can be used to support application specific multi-touch
  // interactions.
  repeated Touch touches = 2;

  // Indicate if the alt, ctrl, shift, meta key being pressed when touch event
  // fired.
  bool alt_key_press = 3;
  bool ctrl_key_press = 4;
  bool shift_key_press = 5;
  bool meta_key_press = 6;
}

// Next ID: 1