chromium/chrome/browser/extensions/api/declarative_content/declarative_content_css_condition_tracker.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_
#define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_

#include <map>
#include <memory>
#include <set>
#include <string>
#include <unordered_set>
#include <vector>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/extensions/api/declarative_content/content_predicate_evaluator.h"
#include "content/public/browser/render_process_host_creation_observer.h"
#include "content/public/browser/web_contents_observer.h"

namespace base {
class Value;
}

namespace extensions {

class Extension;

// Tests whether all the specified CSS selectors match on the page.
class DeclarativeContentCssPredicate : public ContentPredicate { … };

// Supports watching of CSS selectors to across tab contents in a browser
// context, and querying for the matching CSS selectors for a context.
class DeclarativeContentCssConditionTracker
    : public ContentPredicateEvaluator,
      public content::RenderProcessHostCreationObserver { … };

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_DECLARATIVE_CONTENT_CSS_CONDITION_TRACKER_H_