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// Copyright (c) 2010 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_
#pragma once
#include <vector>
#include "base/file_path.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "base/time.h"
#include "chrome/browser/in_process_webkit/dom_storage_context.h"
#include "chrome/browser/in_process_webkit/indexed_db_context.h"
class Profile;
// There's one WebKitContext per profile. Various DispatcherHost classes
// have a pointer to the Context to store shared state. Unfortunately, this
// class has become a bit of a dumping ground for calls made on the UI thread
// that need to be proxied over to the WebKit thread.
//
// This class is created on the UI thread and accessed on the UI, IO, and WebKit
// threads.
class WebKitContext
: public base::RefCountedThreadSafe<WebKitContext> {
public:
explicit WebKitContext(Profile* profile, bool clear_local_state_on_exit);
const FilePath& data_path() const { return data_path_; }
bool is_incognito() const { return is_incognito_; }
DOMStorageContext* dom_storage_context() {
return dom_storage_context_.get();
}
IndexedDBContext* indexed_db_context() {
return indexed_db_context_.get();
}
void set_clear_local_state_on_exit(bool clear_local_state) {
clear_local_state_on_exit_ = clear_local_state;
}
#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();
// Tell all children (where applicable) to delete any objects that were
// last modified on or after the following time.
void DeleteDataModifiedSince(const base::Time& cutoff,
const char* url_scheme_to_be_skipped,
const std::vector<string16>& protected_origins);
// Delete the session storage namespace associated with this id. Can be
// called from any thread.
void DeleteSessionStorageNamespace(int64 session_storage_namespace_id);
private:
friend class base::RefCountedThreadSafe<WebKitContext>;
virtual ~WebKitContext();
// Copies of profile data that can be accessed on any thread.
const FilePath data_path_;
const bool is_incognito_;
// True if the destructors of context objects should delete their files.
bool clear_local_state_on_exit_;
scoped_ptr<DOMStorageContext> dom_storage_context_;
scoped_ptr<IndexedDBContext> indexed_db_context_;
DISALLOW_IMPLICIT_CONSTRUCTORS(WebKitContext);
};
#endif // CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_CONTEXT_H_
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