content/common/page_state_serialization.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_
   6 #define CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_
   7
   8 #include <vector>
   9
  10 #include "base/strings/nullable_string16.h"
  11 #include "content/common/content_export.h"
  12 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
  13 #include "ui/gfx/point.h"
  14 #include "url/gurl.h"
  15
  16 namespace content {
  17
  18 struct CONTENT_EXPORT ExplodedHttpBodyElement {
  19   WebKit::WebHTTPBody::Element::Type type;
  20   std::string data;
  21   base::NullableString16 file_path;
  22   GURL filesystem_url;
  23   int64 file_start;
  24   int64 file_length;
  25   double file_modification_time;
  26   std::string blob_uuid;
  27
  28   ExplodedHttpBodyElement();
  29   ~ExplodedHttpBodyElement();
  30 };
  31
  32 struct CONTENT_EXPORT ExplodedHttpBody {
  33   base::NullableString16 http_content_type;
  34   std::vector<ExplodedHttpBodyElement> elements;
  35   int64 identifier;
  36   bool contains_passwords;
  37   bool is_null;
  38
  39   ExplodedHttpBody();
  40   ~ExplodedHttpBody();
  41 };
  42
  43 struct CONTENT_EXPORT ExplodedFrameState {
  44   base::NullableString16 url_string;
  45   base::NullableString16 original_url_string;
  46   base::NullableString16 referrer;
  47   base::NullableString16 target;
  48   base::NullableString16 state_object;
  49   std::vector<base::NullableString16> document_state;
  50   gfx::Point scroll_offset;
  51   int64 item_sequence_number;
  52   int64 document_sequence_number;
  53   double page_scale_factor;
  54   ExplodedHttpBody http_body;
  55   std::vector<ExplodedFrameState> children;
  56
  57   ExplodedFrameState();
  58   ~ExplodedFrameState();
  59 };
  60
  61 struct CONTENT_EXPORT ExplodedPageState {
  62   std::vector<base::NullableString16> referenced_files;
  63   ExplodedFrameState top;
  64
  65   ExplodedPageState();
  66   ~ExplodedPageState();
  67 };
  68
  69 CONTENT_EXPORT bool DecodePageState(const std::string& encoded,
  70                                     ExplodedPageState* exploded);
  71 CONTENT_EXPORT bool EncodePageState(const ExplodedPageState& exploded,
  72                                     std::string* encoded);
  73
  74 #if defined(OS_ANDROID)
  75 CONTENT_EXPORT bool DecodePageStateWithDeviceScaleFactorForTesting(
  76     const std::string& encoded,
  77     float device_scale_factor,
  78     ExplodedPageState* exploded);
  79 #endif
  80
  81 }  // namespace content
  82
  83 #endif  // CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_