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       is_overriding_user_agent_(false),
  24       must_reset_scroll_and_scale_state_(false),
  25       cache_policy_override_set_(false),
  26       cache_policy_override_(blink::WebURLRequest::UseProtocolCachePolicy) {
  27 }
  28
  29 // static
  30 InternalDocumentStateData* InternalDocumentStateData::FromDataSource(
  31     blink::WebDataSource* ds) {
  32   return FromDocumentState(static_cast<DocumentState*>(ds->extraData()));
  33 }
  34
  35 // static
  36 InternalDocumentStateData* InternalDocumentStateData::FromDocumentState(
  37     DocumentState* ds) {
  38   if (!ds)
  39     return NULL;
  40   InternalDocumentStateData* data = static_cast<InternalDocumentStateData*>(
  41       ds->GetUserData(&kUserDataKey));
  42   if (!data) {
  43     data = new InternalDocumentStateData;
  44     ds->SetUserData(&kUserDataKey, data);
  45   }
  46   return data;
  47 }
  48
  49 InternalDocumentStateData::~InternalDocumentStateData() {
  50 }
  51
  52 }  // namespace content