# Copyright 2014 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.

import("//build/config/python.gni")
import("//tools/grit/grit_rule.gni")

# generate_about_tracing puts its files in this directory
tracing_gen_dir = "$root_gen_dir/content/browser/tracing"

# The script just writes filename with no dirs to the .grd, so we always need
# this file to be in the same directory as the inputs.
tracing_grd = "$tracing_gen_dir/tracing_resources.grd"

# TODO(crbug.com/1112471): Get this to run cleanly under Python 3.
python2_action("generate_tracing_grd") {
  visibility = [ ":*" ]  # Depend on ":resources" to get this.
  script = "generate_trace_viewer_grd.py"

  input_pages = [
    "$tracing_gen_dir/about_tracing.html",
    "$tracing_gen_dir/about_tracing.js",
  ]
  inputs = input_pages
  outputs = [ tracing_grd ]

  args = rebase_path(input_pages, target_gen_dir) + [
           "--output",
           rebase_path(tracing_grd, root_build_dir),
         ]

  deps = [ "//third_party/catapult/tracing:generate_about_tracing" ]
}

grit("resources") {
  source = tracing_grd

  # Required because the .grd is generated.
  enable_input_discovery_for_gn_analyze = false

  outputs = [
    "grit/tracing_resources.h",
    "tracing_resources.pak",
  ]

  deps = [ ":generate_tracing_grd" ]
}