content/renderer/internal_document_state_data.cc

   1 // Copyright (c) 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 #include "content/renderer/internal_document_state_data.h"
   6
   7 #include "content/public/renderer/document_state.h"
   8 #include "third_party/WebKit/public/web/WebDataSource.h"
   9
  10 namespace content {
  11
  12 namespace {
  13
  14 // Key InternalDocumentStateData is stored under in DocumentState.
  15 const char kUserDataKey[] = "InternalDocumentStateData";
  16
  17 }
  18
  19 InternalDocumentStateData::InternalDocumentStateData()
  20     : did_first_visually_non_empty_layout_(false),
  21       did_first_visually_non_empty_paint_(false),
  22       http_status_code_(0),
  23       use_error_page_(false),
  24       is_overriding_user_agent_(false),
  25       must_reset_scroll_and_scale_state_(false),
  26       cache_policy_override_set_(false),
  27       cache_policy_override_(blink::WebURLRequest::UseProtocolCachePolicy) {
  28 }
  29
  30 // static
  31 InternalDocumentStateData* InternalDocumentStateData::FromDataSource(
  32     blink::WebDataSource* ds) {
  33   return FromDocumentState(static_cast<DocumentState*>(ds->extraData()));
  34 }
  35
  36 // static
  37 InternalDocumentStateData* InternalDocumentStateData::FromDocumentState(
  38     DocumentState* ds) {
  39   if (!ds)
  40     return NULL;
  41   InternalDocumentStateData* data = static_cast<InternalDocumentStateData*>(
  42       ds->GetUserData(&kUserDataKey));
  43   if (!data) {
  44     data = new InternalDocumentStateData;
  45     ds->SetUserData(&kUserDataKey, data);
  46   }
  47   return data;
  48 }
  49
  50 InternalDocumentStateData::~InternalDocumentStateData() {
  51 }
  52
  53 }  // namespace content