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 "third_party/WebKit/public/platform/WebReferrerPolicy.h"
  14 #include "ui/gfx/point.h"
  15 #include "ui/gfx/point_f.h"
  16 #include "url/gurl.h"
  17
  18 namespace content {
  19
  20 struct CONTENT_EXPORT ExplodedHttpBodyElement {
  21   blink::WebHTTPBody::Element::Type type;
  22   std::string data;
  23   base::NullableString16 file_path;
  24   GURL filesystem_url;
  25   int64 file_start;
  26   int64 file_length;
  27   double file_modification_time;
  28   std::string blob_uuid;
  29
  30   ExplodedHttpBodyElement();
  31   ~ExplodedHttpBodyElement();
  32 };
  33
  34 struct CONTENT_EXPORT ExplodedHttpBody {
  35   base::NullableString16 http_content_type;
  36   std::vector<ExplodedHttpBodyElement> elements;
  37   int64 identifier;
  38   bool contains_passwords;
  39   bool is_null;
  40
  41   ExplodedHttpBody();
  42   ~ExplodedHttpBody();
  43 };
  44
  45 struct CONTENT_EXPORT ExplodedFrameState {
  46   base::NullableString16 url_string;
  47   base::NullableString16 referrer;
  48   base::NullableString16 target;
  49   base::NullableString16 state_object;
  50   std::vector<base::NullableString16> document_state;
  51   gfx::PointF pinch_viewport_scroll_offset;
  52   gfx::Point scroll_offset;
  53   int64 item_sequence_number;
  54   int64 document_sequence_number;
  55   double page_scale_factor;
  56   blink::WebReferrerPolicy referrer_policy;
  57   ExplodedHttpBody http_body;
  58   std::vector<ExplodedFrameState> children;
  59
  60   ExplodedFrameState();
  61   ~ExplodedFrameState();
  62 };
  63
  64 struct CONTENT_EXPORT ExplodedPageState {
  65   std::vector<base::NullableString16> referenced_files;
  66   ExplodedFrameState top;
  67
  68   ExplodedPageState();
  69   ~ExplodedPageState();
  70 };
  71
  72 CONTENT_EXPORT bool DecodePageState(const std::string& encoded,
  73                                     ExplodedPageState* exploded);
  74 CONTENT_EXPORT bool EncodePageState(const ExplodedPageState& exploded,
  75                                     std::string* encoded);
  76
  77 #if defined(OS_ANDROID)
  78 CONTENT_EXPORT bool DecodePageStateWithDeviceScaleFactorForTesting(
  79     const std::string& encoded,
  80     float device_scale_factor,
  81     ExplodedPageState* exploded);
  82 #endif
  83
  84 }  // namespace content
  85
  86 #endif  // CONTENT_COMMON_PAGE_STATE_SERIALIZATION_H_