src/net/instaweb/rewriter/public/css_inline_filter.h

/**
 * Copyright 2010 Google Inc.
 *
 * 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.
 */

// Author: mdsteele@google.com (Matthew D. Steele)

#ifndef NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_FILTER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_FILTER_H_

#include "base/basictypes.h"
#include "net/instaweb/rewriter/public/common_filter.h"
#include "net/instaweb/util/public/atom.h"
#include <string>

namespace net_instaweb {

class ResourceManager;
class RewriteDriver;

// Inline small CSS files.
class CssInlineFilter : public CommonFilter {
 public:
  CssInlineFilter(HtmlParse* html_parse,
                  ResourceManager* resource_manager,
                  size_t size_threshold_bytes);

  virtual void StartDocumentImpl();
  virtual void EndDocument();
  virtual void StartElementImpl(HtmlElement* element) {}
  virtual void EndElementImpl(HtmlElement* element);
  virtual const char* Name() const { return "InlineCss"; }

 private:
  HtmlParse* const html_parse_;
  ResourceManager* const resource_manager_;
  const Atom href_atom_;
  const Atom link_atom_;
  const Atom media_atom_;
  const Atom rel_atom_;
  const Atom style_atom_;
  const size_t size_threshold_bytes_;

  std::string domain_;

  DISALLOW_COPY_AND_ASSIGN(CssInlineFilter);
};

}  // namespace net_instaweb

#endif  // NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_FILTER_H_