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     : http_status_code_(0),
  21       is_overriding_user_agent_(false),
  22       must_reset_scroll_and_scale_state_(false),
  23       cache_policy_override_set_(false),
  24       cache_policy_override_(blink::WebURLRequest::UseProtocolCachePolicy) {
  25 }
  26
  27 // static
  28 InternalDocumentStateData* InternalDocumentStateData::FromDataSource(
  29     blink::WebDataSource* ds) {
  30   return FromDocumentState(static_cast<DocumentState*>(ds->extraData()));
  31 }
  32
  33 // static
  34 InternalDocumentStateData* InternalDocumentStateData::FromDocumentState(
  35     DocumentState* ds) {
  36   if (!ds)
  37     return NULL;
  38   InternalDocumentStateData* data = static_cast<InternalDocumentStateData*>(
  39       ds->GetUserData(&kUserDataKey));
  40   if (!data) {
  41     data = new InternalDocumentStateData;
  42     ds->SetUserData(&kUserDataKey, data);
  43   }
  44   return data;
  45 }
  46
  47 InternalDocumentStateData::~InternalDocumentStateData() {
  48 }
  49
  50 }  // namespace content