// Copyright (c) 2012 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.

#include "content/browser/webui/shared_resources_data_source.h"

#include <set>

#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "content/browser/resources/media/grit/media_internals_resources.h"
#include "content/browser/resources/media/grit/media_internals_resources_map.h"
#include "content/grit/content_resources.h"
#include "content/grit/content_resources_map.h"
#include "content/public/common/url_constants.h"
#include "mojo/public/js/grit/mojo_bindings_resources.h"
#include "mojo/public/js/grit/mojo_bindings_resources_map.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"
#include "skia/grit/skia_resources.h"
#include "skia/grit/skia_resources_map.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/resources/grit/webui_generated_resources.h"
#include "ui/resources/grit/webui_generated_resources_map.h"
#include "ui/resources/grit/webui_resources_map.h"

#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "ash/constants/ash_features.h"
#include "base/feature_list.h"
#include "chromeos/grit/chromeos_resources.h"
#include "chromeos/grit/chromeos_resources_map.h"
#include "ui/chromeos/styles/cros_styles.h"
#endif

namespace content {

namespace {

const std::set<int> GetContentResourceIds() {
  return std::set<int>{
      IDR_GEOMETRY_MOJOM_WEBUI_JS,
      IDR_ORIGIN_MOJO_HTML,
      IDR_ORIGIN_MOJO_JS,
      IDR_ORIGIN_MOJO_WEBUI_JS,
      IDR_RANGE_MOJOM_WEBUI_JS,
      IDR_TOKEN_MOJO_WEBUI_JS,
      IDR_UI_WINDOW_OPEN_DISPOSITION_MOJO_JS,
      IDR_UI_WINDOW_OPEN_DISPOSITION_MOJO_WEBUI_JS,
      IDR_UNGUESSABLE_TOKEN_MOJO_HTML,
      IDR_UNGUESSABLE_TOKEN_MOJO_JS,
      IDR_URL_MOJO_HTML,
      IDR_URL_MOJO_JS,
      IDR_URL_MOJOM_WEBUI_JS,
      IDR_VULKAN_INFO_MOJO_JS,
      IDR_VULKAN_TYPES_MOJO_JS,
  };
}

#if BUILDFLAG(IS_CHROMEOS_ASH)
const std::set<int> GetChromeosMojoResourceIds() {
  return std::set<int>{
      IDR_BLUETOOTH_CONFIG_MOJOM_LITE_JS,
      IDR_CELLULAR_SETUP_MOJOM_HTML,
      IDR_CELLULAR_SETUP_MOJOM_LITE_JS,
      IDR_ESIM_MANAGER_MOJOM_HTML,
      IDR_ESIM_MANAGER_MOJOM_LITE_JS,
      IDR_IP_ADDRESS_MOJOM_HTML,
      IDR_IP_ADDRESS_MOJOM_LITE_JS,
      IDR_IP_ADDRESS_MOJOM_WEBUI_JS,
      IDR_MULTIDEVICE_DEVICE_SYNC_MOJOM_HTML,
      IDR_MULTIDEVICE_DEVICE_SYNC_MOJOM_LITE_JS,
      IDR_MULTIDEVICE_MULTIDEVICE_SETUP_MOJOM_HTML,
      IDR_MULTIDEVICE_MULTIDEVICE_SETUP_MOJOM_LITE_JS,
      IDR_MULTIDEVICE_MULTIDEVICE_TYPES_MOJOM_HTML,
      IDR_MULTIDEVICE_MULTIDEVICE_TYPES_MOJOM_LITE_JS,
      IDR_NETWORK_CONFIG_CONSTANTS_MOJOM_WEBUI_JS,
      IDR_NETWORK_CONFIG_MOJOM_HTML,
      IDR_NETWORK_CONFIG_MOJOM_LITE_JS,
      IDR_NETWORK_CONFIG_MOJOM_WEBUI_JS,
      IDR_NETWORK_CONFIG_TYPES_MOJOM_HTML,
      IDR_NETWORK_CONFIG_TYPES_MOJOM_LITE_JS,
      IDR_NETWORK_CONFIG_TYPES_MOJOM_WEBUI_JS,
      IDR_NETWORK_DIAGNOSTICS_MOJOM_HTML,
      IDR_NETWORK_DIAGNOSTICS_MOJOM_LITE_JS,
      IDR_NETWORK_HEALTH_MOJOM_HTML,
      IDR_NETWORK_HEALTH_MOJOM_LITE_JS,
  };
}
#endif  // !BUILDFLAG(IS_CHROMEOS_ASH)

// Adds all resources with IDs in |resource_ids| to |resources_map|.
void AddResources(const std::set<int>& resource_ids,
                  const webui::ResourcePath resources[],
                  size_t resources_size,
                  WebUIDataSource* source) {
  for (size_t i = 0; i < resources_size; ++i) {
    const auto& resource = resources[i];

    const auto it = resource_ids.find(resource.id);
    if (it == resource_ids.end())
      continue;

    source->AddResourcePath(resource.path, resource.id);
  }
}

}  // namespace

WebUIDataSource* CreateSharedResourcesDataSource() {
  WebUIDataSource* source =
      content::WebUIDataSource::Create(kChromeUIResourcesHost);
  source->OverrideContentSecurityPolicy(
      network::mojom::CSPDirectiveName::WorkerSrc, "worker-src blob: 'self';");
  // TODO(crbug.com/1098690): Trusted Type Polymer
  source->DisableTrustedTypesCSP();

  AddResources(GetContentResourceIds(), kContentResources,
               kContentResourcesSize, source);
  source->AddResourcePaths(
      base::make_span(kMediaInternalsResources, kMediaInternalsResourcesSize));
  source->AddResourcePaths(
      base::make_span(kWebuiResources, kWebuiResourcesSize));
  source->AddResourcePaths(
      base::make_span(kWebuiGeneratedResources, kWebuiGeneratedResourcesSize));
  source->AddResourcePaths(
      base::make_span(kMojoBindingsResources, kMojoBindingsResourcesSize));
  source->AddResourcePaths(base::make_span(kSkiaResources, kSkiaResourcesSize));
#if BUILDFLAG(IS_CHROMEOS_ASH)
  AddResources(GetChromeosMojoResourceIds(), kChromeosResources,
               kChromeosResourcesSize, source);

  source->AddString(
      "crosColorsDebugOverrides",
      base::FeatureList::IsEnabled(ash::features::kSemanticColorsDebugOverride)
          ? cros_styles::kDebugOverrideCssString
          : "");
#endif  // !BUILDFLAG(IS_CHROMEOS_ASH)

  source->AddString("fontFamily", webui::GetFontFamily());
  source->AddString("fontSize", webui::GetFontSize());

  return source;
}

WebUIDataSource* CreateUntrustedSharedResourcesDataSource() {
  // This data source only serves resources used by all chrome-untrusted://
  // WebUI pages.
  //
  // Don't put generated Mojo bindings here. Please explicitly add them to each
  // WebUI's own data source.
  WebUIDataSource* source =
      content::WebUIDataSource::Create(kChromeUIUntrustedResourcesURL);

  source->AddResourcePaths(
      base::make_span(kMojoBindingsResources, kMojoBindingsResourcesSize));

  return source;
}

}  // namespace content