| // Copyright (c) 2013 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 CONTENT_PUBLIC_COMMON_PAGE_STATE_H_ |
| #define CONTENT_PUBLIC_COMMON_PAGE_STATE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "content/common/content_export.h" |
| |
| class GURL; |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace content { |
| |
| // The PageState class represents the information needed by the rendering |
| // engine to reconstruct a web page (and its tree of frames), including for |
| // example the URLs of the documents and the values of any form fields. This |
| // information is used when navigating back & forward through session history. |
| // |
| // The format of the encoded data is not exposed by the content API. |
| class CONTENT_EXPORT PageState { |
| public: |
| static PageState CreateFromEncodedData(const std::string& data); |
| static PageState CreateFromURL(const GURL& url); |
| |
| static PageState CreateForTesting( |
| const GURL& url, |
| bool body_contains_password_data, |
| const char* optional_body_data, |
| const base::FilePath* optional_body_file_path); |
| |
| PageState(); |
| |
| bool IsValid() const; |
| bool Equals(const PageState& page_state) const; |
| const std::string& ToEncodedData() const; |
| |
| std::vector<base::FilePath> GetReferencedFiles() const; |
| PageState RemovePasswordData() const; |
| PageState RemoveScrollOffset() const; |
| PageState RemoveReferrer() const; |
| |
| private: |
| PageState(const std::string& data); |
| |
| std::string data_; |
| }; |
| |
| // Support DCHECK_EQ(a, b), etc. |
| inline bool operator==(const PageState& a, const PageState& b) { |
| return a.Equals(b); |
| } |
| inline bool operator!=(const PageState& a, const PageState& b) { |
| return !(a == b); |
| } |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_COMMON_PAGE_STATE_H_ |