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// Copyright (c) 2006-2008 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_PAGE_STATE_H__
#define CHROME_BROWSER_PAGE_STATE_H__
#include "base/basictypes.h"
#include "base/scoped_ptr.h"
#include "base/values.h"
class GURL;
/////////////////////////////////////////////////////////////////////////////
//
// PageState
//
// PageState represents a collection of key value pairs that can be
// represented as an url or a byte array. It is used by synthetic pages such
// as the destination tab to store and parse navigation states
//
/////////////////////////////////////////////////////////////////////////////
class PageState {
public:
PageState() : state_(new DictionaryValue) {}
~PageState() {}
// Init with the provided url
void InitWithURL(const GURL& url);
// Init with the provided bytes
void InitWithBytes(const std::string& bytes);
// Return a string representing this state
void GetByteRepresentation(std::string* out) const;
// Conveniences to set and retreive an int
void SetIntProperty(const std::wstring& key, int value);
bool GetIntProperty(const std::wstring& key, int* value) const;
// Conveniences to set and retreive an int64.
void SetInt64Property(const std::wstring& key, int64 value);
bool GetInt64Property(const std::wstring& key, int64* value) const;
// Set / Get string properties
void SetProperty(const std::wstring& key, const std::wstring& value);
bool GetProperty(const std::wstring& key, std::wstring* value) const;
// Creates a copy of this page state. It is up to the caller to delete the
// returned value.
PageState* Copy() const;
private:
// our actual state collection
scoped_ptr<DictionaryValue> state_;
DISALLOW_EVIL_CONSTRUCTORS(PageState);
};
#endif // CHROME_BROWSER_PAGE_STATE_H__
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