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// Copyright 2015 Google Inc. All Rights Reserved.
//
// 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.
#include "cobalt/cssom/user_agent_style_sheet.h"
#include <string>
#include "cobalt/cssom/embedded_resources.h" // Generated file.
namespace cobalt {
namespace cssom {
scoped_refptr<CSSStyleSheet> ParseUserAgentStyleSheet(CSSParser* css_parser) {
const char kUserAgentStyleSheetFileName[] = "user_agent_style_sheet.css";
// Parse the user agent style sheet from the given file that was compiled
// into a header and included. We embed it in the binary via C++ header file
// so that we can avoid the time it would take to perform a disk read
// when it needs to be created (e.g. when creating a new DOM Document). The
// cost of doing this is that we end up with the contents of the file in
// memory at all times, even after it is parsed here.
GeneratedResourceMap resource_map;
CSSOMEmbeddedResources::GenerateMap(resource_map);
FileContents html_css_file_contents =
resource_map[kUserAgentStyleSheetFileName];
scoped_refptr<CSSStyleSheet> user_agent_style_sheet =
css_parser->ParseStyleSheet(
std::string(
reinterpret_cast<const char*>(html_css_file_contents.data),
static_cast<size_t>(html_css_file_contents.size)),
base::SourceLocation(kUserAgentStyleSheetFileName, 1, 1));
user_agent_style_sheet->set_origin(kNormalUserAgent);
return user_agent_style_sheet;
}
} // namespace cssom
} // namespace cobalt