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// Copyright 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_COMMON_PAGE_STATE_SERIALIZATION_H_
#define CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "base/strings/nullable_string16.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/common/resource_request_body_impl.h"
#include "third_party/WebKit/public/platform/WebHTTPBody.h"
#include "third_party/WebKit/public/platform/WebHistoryScrollRestorationType.h"
#include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_f.h"
#include "url/gurl.h"
namespace content {
struct CONTENT_EXPORT ExplodedHttpBody {
base::NullableString16 http_content_type;
scoped_refptr<ResourceRequestBodyImpl> request_body;
bool contains_passwords;
ExplodedHttpBody();
~ExplodedHttpBody();
};
struct CONTENT_EXPORT ExplodedFrameState {
base::NullableString16 url_string;
base::NullableString16 referrer;
base::NullableString16 target;
base::NullableString16 state_object;
std::vector<base::NullableString16> document_state;
blink::WebHistoryScrollRestorationType scroll_restoration_type;
bool did_save_scroll_or_scale_state;
gfx::PointF visual_viewport_scroll_offset;
gfx::Point scroll_offset;
int64_t item_sequence_number;
int64_t document_sequence_number;
double page_scale_factor;
blink::WebReferrerPolicy referrer_policy;
ExplodedHttpBody http_body;
std::vector<ExplodedFrameState> children;
ExplodedFrameState();
ExplodedFrameState(const ExplodedFrameState& other);
~ExplodedFrameState();
void operator=(const ExplodedFrameState& other);
private:
void assign(const ExplodedFrameState& other);
};
struct CONTENT_EXPORT ExplodedPageState {
// TODO(creis, lukasza): Instead of storing them in |referenced_files|,
// extract referenced files from ExplodedHttpBody. |referenced_files|
// currently contains a list from all frames, but cannot be deserialized into
// the files referenced by each frame. See http://crbug.com/441966.
std::vector<base::NullableString16> referenced_files;
ExplodedFrameState top;
ExplodedPageState();
~ExplodedPageState();
};
CONTENT_EXPORT bool DecodePageState(const std::string& encoded,
ExplodedPageState* exploded);
CONTENT_EXPORT void EncodePageState(const ExplodedPageState& exploded,
std::string* encoded);
#if defined(OS_ANDROID)
CONTENT_EXPORT bool DecodePageStateWithDeviceScaleFactorForTesting(
const std::string& encoded,
float device_scale_factor,
ExplodedPageState* exploded);
// Converts results of EncodeResourceRequestBody (passed in as a pair of |data|
// + |size|) back into a ResourceRequestBodyImpl. Returns nullptr if the
// decoding fails (e.g. if |data| is malformed).
scoped_refptr<ResourceRequestBodyImpl> DecodeResourceRequestBody(
const char* data,
size_t size);
// Encodes |resource_request_body| into |encoded|.
std::string EncodeResourceRequestBody(
const ResourceRequestBodyImpl& resource_request_body);
#endif
} // namespace content
#endif // CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_
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