dc_bundle 0.38.3

Provides the DesignCompose Bundle and Definition
Documentation 
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package designcompose.layout_interface;

import "definition/layout/layout_style.proto";
option java_multiple_files = true;
option java_package = "com.android.designcompose.layout_interface";
option optimize_for = LITE_RUNTIME;

// A representation of a Figma node to register for layout.
message LayoutNode {
  int32 layout_id = 1;
  int32 parent_layout_id = 2;
  int32 child_index = 3;
  definition.layout.LayoutStyle style = 4;
  string name = 5;
  bool use_measure_func = 6;
  optional int32 fixed_width = 7;
  optional int32 fixed_height = 8;
}

// A parent node id and a list of child ids
message LayoutParentChildren {
  int32 parent_layout_id = 1;
  repeated int32 child_layout_ids = 2;
}

// A list of Figma nodes to register for layout
message LayoutNodeList {
  repeated LayoutNode layout_nodes = 1;
  repeated LayoutParentChildren parent_children = 2;
}

// A processed layout node
message Layout {
  // Relative ordering of the node. Render nodes with a higher order on top
  // of nodes with lower order
  uint32 order = 1;
  float width = 2;
  float height = 3;
  float left = 4; // The top-left corner of the node
  float top = 5;
  float content_width = 6; // Width of child content
  float content_height = 7; // Height of child content
}

/* The layout response sent back to client which contains a layout state ID and
a list of layout IDs that have changed.
*/
message LayoutChangedResponse {
  // The final result of a layout algorithm for a single taffy Node

  int32 layout_state = 1;
  map<int32, Layout> changed_layouts = 2;
}