third_party/omnibox_proto/ntp_composebox_config.proto

// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = 'proto2';

option optimize_for = LITE_RUNTIME;
option java_package = 'org.chromium.components.omnibox';
option java_outer_classname = 'NtpComposeboxConfigProto';

package omnibox;

// Configuration for customizing the NTP Composebox.
// Next ID: 3
message NTPComposeboxConfig {
  // Next ID: 2
  message EntryPoint {
    optional int32 num_page_load_animations = 1;
  }
  optional EntryPoint entry_point = 1;
  // Next ID: 9
  message Composebox {
    optional bool close_by_escape = 1;
    optional bool close_by_click_outside = 2;
    // Next ID: 7
    message ImageUpload {
      optional bool enable_webp_encoding = 1;
      optional int32 downscale_max_image_size = 2;
      optional int32 downscale_max_image_width = 3;
      optional int32 downscale_max_image_height = 4;
      optional int32 image_compression_quality = 5;
      // A comma separated list of mime types.
      // Ex. "image/jpeg,image/png".
      optional string mime_types_allowed = 6;
    }
    optional ImageUpload image_upload = 3;
    // Next ID: 3
    message AttachmentUpload {
      // Sets the max file size for all file types.
      optional int32 max_size_bytes = 1;
      // A comma separated list of mime types.
      // Ex. "pdf".
      optional string mime_types_allowed = 2;
    }
    optional AttachmentUpload attachment_upload = 4;
    optional int32 max_num_files = 5;
    // `input_placeholder_text` must be a string literal
    // and should not be set on a config that applies
    // outside of en-*.
    optional string input_placeholder_text = 6;
    // A kill switch for pdf eligibility in the composebox.
    optional bool is_pdf_upload_enabled = 7;
    // Next ID: 4
    message PlaceholderConfig {
      // Supported placeholder texts.
      enum Placeholder {
        ASK = 0;
        PLAN = 1;
        COMPARE = 2;
        RESEARCH = 3;
        TEACH = 4;
        WRITE = 5;
      }
      repeated Placeholder placeholders = 1;
      // How often the animation should repeat in milliseconds.
      optional uint32 change_text_animation_interval_ms = 2;
      // How long it takes for the animation to complete in milliseconds.
      optional uint32 fade_text_animation_duration_ms = 3;
    }
    optional PlaceholderConfig placeholder_config = 8;
  }
  optional Composebox composebox = 2;
}