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.
5 #include "content/public/renderer/history_item_serialization.h"
7 #include "content/common/page_state_serialization.h"
8 #include "content/public/common/page_state.h"
9 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
10 #include "third_party/WebKit/public/platform/WebPoint.h"
11 #include "third_party/WebKit/public/platform/WebString.h"
12 #include "third_party/WebKit/public/platform/WebVector.h"
13 #include "third_party/WebKit/public/web/WebHistoryItem.h"
14 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
16 using blink::WebHTTPBody;
17 using blink::WebHistoryItem;
18 using blink::WebSerializedScriptValue;
19 using blink::WebString;
20 using blink::WebVector;
25 void ToNullableString16Vector(const WebVector<WebString>& input,
26 std::vector<base::NullableString16>* output) {
27 output->reserve(input.size());
28 for (size_t i = 0; i < input.size(); ++i)
29 output->push_back(input[i]);
32 void ToExplodedHttpBodyElement(const WebHTTPBody::Element& input,
33 ExplodedHttpBodyElement* output) {
35 case WebHTTPBody::Element::TypeData:
36 output->data.assign(input.data.data(), input.data.size());
38 case WebHTTPBody::Element::TypeFile:
39 output->file_path = input.filePath;
40 output->file_start = input.fileStart;
41 output->file_length = input.fileLength;
42 output->file_modification_time = input.modificationTime;
44 case WebHTTPBody::Element::TypeFileSystemURL:
45 output->filesystem_url = input.fileSystemURL;
46 output->file_start = input.fileStart;
47 output->file_length = input.fileLength;
48 output->file_modification_time = input.modificationTime;
50 case WebHTTPBody::Element::TypeBlob:
51 output->blob_uuid = input.blobUUID.utf8();
56 void AppendHTTPBodyElement(const ExplodedHttpBodyElement& element,
57 WebHTTPBody* http_body) {
58 switch (element.type) {
59 case WebHTTPBody::Element::TypeData:
60 http_body->appendData(element.data);
62 case WebHTTPBody::Element::TypeFile:
63 http_body->appendFileRange(
67 element.file_modification_time);
69 case WebHTTPBody::Element::TypeFileSystemURL:
70 http_body->appendFileSystemURLRange(
71 element.filesystem_url,
74 element.file_modification_time);
76 case WebHTTPBody::Element::TypeBlob:
77 http_body->appendBlob(WebString::fromUTF8(element.blob_uuid));
82 bool RecursivelyGenerateFrameState(const WebHistoryItem& item,
83 ExplodedFrameState* state) {
84 state->url_string = item.urlString();
85 state->original_url_string = item.originalURLString();
86 state->referrer = item.referrer();
87 state->referrer_policy = item.referrerPolicy();
88 state->target = item.target();
89 if (!item.stateObject().isNull())
90 state->state_object = item.stateObject().toString();
91 state->scroll_offset = item.scrollOffset();
92 state->item_sequence_number = item.itemSequenceNumber();
93 state->document_sequence_number =
94 item.documentSequenceNumber();
95 state->target_frame_id = item.targetFrameID();
96 state->page_scale_factor = item.pageScaleFactor();
97 ToNullableString16Vector(item.documentState(), &state->document_state);
99 state->http_body.http_content_type = item.httpContentType();
100 const WebHTTPBody& http_body = item.httpBody();
101 if (!(state->http_body.is_null = http_body.isNull())) {
102 state->http_body.identifier = http_body.identifier();
103 state->http_body.elements.resize(http_body.elementCount());
104 for (size_t i = 0; i < http_body.elementCount(); ++i) {
105 WebHTTPBody::Element element;
106 http_body.elementAt(i, element);
107 ToExplodedHttpBodyElement(element, &state->http_body.elements[i]);
109 state->http_body.contains_passwords = http_body.containsPasswordData();
112 const WebVector<WebHistoryItem>& children = item.children();
113 state->children.resize(children.size());
114 for (size_t i = 0; i < children.size(); ++i) {
115 if (!RecursivelyGenerateFrameState(children[i], &state->children[i]))
122 bool RecursivelyGenerateHistoryItem(const ExplodedFrameState& state,
123 WebHistoryItem* item) {
124 item->setURLString(state.url_string);
125 item->setOriginalURLString(state.original_url_string);
126 item->setReferrer(state.referrer, state.referrer_policy);
127 item->setTarget(state.target);
128 if (!state.state_object.is_null()) {
129 item->setStateObject(
130 WebSerializedScriptValue::fromString(state.state_object));
132 item->setDocumentState(state.document_state);
133 item->setScrollOffset(state.scroll_offset);
134 item->setPageScaleFactor(state.page_scale_factor);
136 // These values are generated at WebHistoryItem construction time, and we
137 // only want to override those new values with old values if the old values
138 // are defined. A value of 0 means undefined in this context.
139 if (state.item_sequence_number)
140 item->setItemSequenceNumber(state.item_sequence_number);
141 if (state.document_sequence_number)
142 item->setDocumentSequenceNumber(state.document_sequence_number);
144 item->setTargetFrameID(state.target_frame_id);
146 item->setHTTPContentType(state.http_body.http_content_type);
147 if (!state.http_body.is_null) {
148 WebHTTPBody http_body;
149 http_body.initialize();
150 http_body.setIdentifier(state.http_body.identifier);
151 for (size_t i = 0; i < state.http_body.elements.size(); ++i)
152 AppendHTTPBodyElement(state.http_body.elements[i], &http_body);
153 item->setHTTPBody(http_body);
156 for (size_t i = 0; i < state.children.size(); ++i) {
157 WebHistoryItem child_item;
158 child_item.initialize();
159 if (!RecursivelyGenerateHistoryItem(state.children[i], &child_item))
161 item->appendToChildren(child_item);
169 PageState HistoryItemToPageState(const WebHistoryItem& item) {
170 ExplodedPageState state;
171 ToNullableString16Vector(item.getReferencedFilePaths(),
172 &state.referenced_files);
174 if (!RecursivelyGenerateFrameState(item, &state.top))
177 std::string encoded_data;
178 if (!EncodePageState(state, &encoded_data))
181 return PageState::CreateFromEncodedData(encoded_data);
184 WebHistoryItem PageStateToHistoryItem(const PageState& page_state) {
185 ExplodedPageState state;
186 if (!DecodePageState(page_state.ToEncodedData(), &state))
187 return WebHistoryItem();
191 if (!RecursivelyGenerateHistoryItem(state.top, &item))
192 return WebHistoryItem();
197 } // namespace content