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// Copyright (c) 2009 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.

#ifndef CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_CONTEXT_H_
#define CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_CONTEXT_H_

#include "base/file_path.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/in_process_webkit/dom_storage_context.h"

class WebKitThread;

// There's one WebKitContext per profile.  Various DispatcherHost classes
// have a pointer to the Context to store shared state.
//
// This class is created on the UI thread and accessed on the UI, IO, and WebKit
// threads.
class WebKitContext : public base::RefCountedThreadSafe<WebKitContext> {
 public:
  WebKitContext(const FilePath& data_path, bool is_incognito);

  const FilePath& data_path() const { return data_path_; }
  bool is_incognito() const { return is_incognito_; }
  DOMStorageContext* dom_storage_context() {
    return dom_storage_context_.get();
  }

#ifdef UNIT_TEST
  // For unit tests, allow specifying a DOMStorageContext directly so it can be
  // mocked.
  void set_dom_storage_context(DOMStorageContext* dom_storage_context) {
    dom_storage_context_.reset(dom_storage_context);
  }
#endif

  // Tells the DOMStorageContext to purge any memory it does not need.
  void PurgeMemory();

 private:
  friend class base::RefCountedThreadSafe<WebKitContext>;
  ~WebKitContext();

  // Copies of profile data that can be accessed on any thread.
  const FilePath data_path_;
  const bool is_incognito_;

  scoped_ptr<DOMStorageContext> dom_storage_context_;

  DISALLOW_IMPLICIT_CONSTRUCTORS(WebKitContext);
};

#endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_CONTEXT_H_