Move history serialization from contet/public/renderer/ to content/renderer/

content/public/renderer/history_item_serialization.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/public/renderer/history_item_serialization.h"
-
-#include "content/common/page_state_serialization.h"
-#include "content/public/common/page_state.h"
-#include "third_party/WebKit/public/platform/WebHTTPBody.h"
-#include "third_party/WebKit/public/platform/WebPoint.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebVector.h"
-#include "third_party/WebKit/public/web/WebHistoryItem.h"
-#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
-
-using blink::WebHTTPBody;
-using blink::WebHistoryItem;
-using blink::WebSerializedScriptValue;
-using blink::WebString;
-using blink::WebVector;
-
-namespace content {
-namespace {
-
-void ToNullableString16Vector(const WebVector<WebString>& input,
-                              std::vector<base::NullableString16>* output) {
-  output->reserve(input.size());
-  for (size_t i = 0; i < input.size(); ++i)
-    output->push_back(input[i]);
-}
-
-void ToExplodedHttpBodyElement(const WebHTTPBody::Element& input,
-                               ExplodedHttpBodyElement* output) {
-  switch (input.type) {
-    case WebHTTPBody::Element::TypeData:
-      output->data.assign(input.data.data(), input.data.size());
-      break;
-    case WebHTTPBody::Element::TypeFile:
-      output->file_path = input.filePath;
-      output->file_start = input.fileStart;
-      output->file_length = input.fileLength;
-      output->file_modification_time = input.modificationTime;
-      break;
-    case WebHTTPBody::Element::TypeFileSystemURL:
-      output->filesystem_url = input.fileSystemURL;
-      output->file_start = input.fileStart;
-      output->file_length = input.fileLength;
-      output->file_modification_time = input.modificationTime;
-      break;
-    case WebHTTPBody::Element::TypeBlob:
-      output->blob_uuid = input.blobUUID.utf8();
-      break;
-  }
-}
-
-void AppendHTTPBodyElement(const ExplodedHttpBodyElement& element,
-                           WebHTTPBody* http_body) {
-  switch (element.type) {
-    case WebHTTPBody::Element::TypeData:
-      http_body->appendData(element.data);
-      break;
-    case WebHTTPBody::Element::TypeFile:
-      http_body->appendFileRange(
-          element.file_path,
-          element.file_start,
-          element.file_length,
-          element.file_modification_time);
-      break;
-    case WebHTTPBody::Element::TypeFileSystemURL:
-      http_body->appendFileSystemURLRange(
-          element.filesystem_url,
-          element.file_start,
-          element.file_length,
-          element.file_modification_time);
-      break;
-    case WebHTTPBody::Element::TypeBlob:
-      http_body->appendBlob(WebString::fromUTF8(element.blob_uuid));
-      break;
-  }
-}
-
-bool RecursivelyGenerateFrameState(const WebHistoryItem& item,
-                                   ExplodedFrameState* state) {
-  state->url_string = item.urlString();
-  state->referrer = item.referrer();
-  state->referrer_policy = item.referrerPolicy();
-  state->target = item.target();
-  if (!item.stateObject().isNull())
-    state->state_object = item.stateObject().toString();
-  state->scroll_offset = item.scrollOffset();
-  state->item_sequence_number = item.itemSequenceNumber();
-  state->document_sequence_number =
-      item.documentSequenceNumber();
-  state->page_scale_factor = item.pageScaleFactor();
-  ToNullableString16Vector(item.documentState(), &state->document_state);
-
-  state->http_body.http_content_type = item.httpContentType();
-  const WebHTTPBody& http_body = item.httpBody();
-  if (!(state->http_body.is_null = http_body.isNull())) {
-    state->http_body.identifier = http_body.identifier();
-    state->http_body.elements.resize(http_body.elementCount());
-    for (size_t i = 0; i < http_body.elementCount(); ++i) {
-      WebHTTPBody::Element element;
-      http_body.elementAt(i, element);
-      ToExplodedHttpBodyElement(element, &state->http_body.elements[i]);
-    }
-    state->http_body.contains_passwords = http_body.containsPasswordData();
-  }
-
-  const WebVector<WebHistoryItem>& children = item.children();
-  state->children.resize(children.size());
-  for (size_t i = 0; i < children.size(); ++i) {
-    if (!RecursivelyGenerateFrameState(children[i], &state->children[i]))
-      return false;
-  }
-
-  return true;
-}
-
-bool RecursivelyGenerateHistoryItem(const ExplodedFrameState& state,
-                                    WebHistoryItem* item) {
-  item->setURLString(state.url_string);
-  item->setReferrer(state.referrer, state.referrer_policy);
-  item->setTarget(state.target);
-  if (!state.state_object.is_null()) {
-    item->setStateObject(
-        WebSerializedScriptValue::fromString(state.state_object));
-  }
-  item->setDocumentState(state.document_state);
-  item->setScrollOffset(state.scroll_offset);
-  item->setPageScaleFactor(state.page_scale_factor);
-
-  // These values are generated at WebHistoryItem construction time, and we
-  // only want to override those new values with old values if the old values
-  // are defined.  A value of 0 means undefined in this context.
-  if (state.item_sequence_number)
-    item->setItemSequenceNumber(state.item_sequence_number);
-  if (state.document_sequence_number)
-    item->setDocumentSequenceNumber(state.document_sequence_number);
-
-  item->setHTTPContentType(state.http_body.http_content_type);
-  if (!state.http_body.is_null) {
-    WebHTTPBody http_body;
-    http_body.initialize();
-    http_body.setIdentifier(state.http_body.identifier);
-    for (size_t i = 0; i < state.http_body.elements.size(); ++i)
-      AppendHTTPBodyElement(state.http_body.elements[i], &http_body);
-    item->setHTTPBody(http_body);
-  }
-
-  for (size_t i = 0; i < state.children.size(); ++i) {
-    WebHistoryItem child_item;
-    child_item.initialize();
-    if (!RecursivelyGenerateHistoryItem(state.children[i], &child_item))
-      return false;
-    item->appendToChildren(child_item);
-  }
-
-  return true;
-}
-
-}  // namespace
-
-PageState HistoryItemToPageState(const WebHistoryItem& item) {
-  ExplodedPageState state;
-  ToNullableString16Vector(item.getReferencedFilePaths(),
-                           &state.referenced_files);
-
-  if (!RecursivelyGenerateFrameState(item, &state.top))
-    return PageState();
-
-  std::string encoded_data;
-  if (!EncodePageState(state, &encoded_data))
-    return PageState();
-
-  return PageState::CreateFromEncodedData(encoded_data);
-}
-
-WebHistoryItem PageStateToHistoryItem(const PageState& page_state) {
-  ExplodedPageState state;
-  if (!DecodePageState(page_state.ToEncodedData(), &state))
-    return WebHistoryItem();
-
-  WebHistoryItem item;
-  item.initialize();
-  if (!RecursivelyGenerateHistoryItem(state.top, &item))
-    return WebHistoryItem();
-
-  return item;
-}
-
-}  // namespace content