| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2012 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 "android_webview/native/state_serializer.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/pickle.h" | |
| 10 #include "base/time/time.h" | |
| 11 #include "content/public/browser/child_process_security_policy.h" | |
| 12 #include "content/public/browser/navigation_controller.h" | |
| 13 #include "content/public/browser/navigation_entry.h" | |
| 14 #include "content/public/browser/render_process_host.h" | |
| 15 #include "content/public/browser/restore_type.h" | |
| 16 #include "content/public/browser/web_contents.h" | |
| 17 #include "content/public/common/page_state.h" | |
| 18 | |
| 19 // Reasons for not re-using TabNavigation under chrome/ as of 20121116: | |
| 20 // * Android WebView has different requirements for fields to store since | |
| 21 // we are the only ones using values like BaseURLForDataURL. | |
| 22 // * TabNavigation does unnecessary copying of data, which in Android | |
| 23 // WebView case, is undesired since save/restore is called in Android | |
| 24 // very frequently. | |
| 25 // * TabNavigation is tightly integrated with the rest of chrome session | |
| 26 // restore and sync code, and has other purpose in addition to serializing | |
| 27 // NavigationEntry. | |
| 28 | |
| 29 using std::string; | |
| 30 | |
| 31 namespace android_webview { | |
| 32 | |
| 33 namespace { | |
| 34 | |
| 35 const uint32_t AW_STATE_VERSION = internal::AW_STATE_VERSION_DATA_URL; | |
| 36 | |
| 37 } // namespace | |
| 38 | |
| 39 bool WriteToPickle(const content::WebContents& web_contents, | |
| 40 base::Pickle* pickle) { | |
| 41 DCHECK(pickle); | |
| 42 | |
| 43 if (!internal::WriteHeaderToPickle(pickle)) | |
| 44 return false; | |
| 45 | |
| 46 const content::NavigationController& controller = | |
| 47 web_contents.GetController(); | |
| 48 const int entry_count = controller.GetEntryCount(); | |
| 49 const int selected_entry = controller.GetCurrentEntryIndex(); | |
| 50 DCHECK_GE(entry_count, 0); | |
| 51 DCHECK_GE(selected_entry, -1); // -1 is valid | |
| 52 DCHECK_LT(selected_entry, entry_count); | |
| 53 | |
| 54 if (!pickle->WriteInt(entry_count)) | |
| 55 return false; | |
| 56 | |
| 57 if (!pickle->WriteInt(selected_entry)) | |
| 58 return false; | |
| 59 | |
| 60 for (int i = 0; i < entry_count; ++i) { | |
| 61 if (!internal::WriteNavigationEntryToPickle(*controller.GetEntryAtIndex(i), | |
| 62 pickle)) | |
| 63 return false; | |
| 64 } | |
| 65 | |
| 66 // Please update AW_STATE_VERSION and IsSupportedVersion() if serialization | |
| 67 // format is changed. | |
| 68 // Make sure the serialization format is updated in a backwards compatible | |
| 69 // way. | |
| 70 | |
| 71 return true; | |
| 72 } | |
| 73 | |
| 74 bool RestoreFromPickle(base::PickleIterator* iterator, | |
| 75 content::WebContents* web_contents) { | |
| 76 DCHECK(iterator); | |
| 77 DCHECK(web_contents); | |
| 78 | |
| 79 uint32_t state_version = internal::RestoreHeaderFromPickle(iterator); | |
| 80 if (!state_version) | |
| 81 return false; | |
| 82 | |
| 83 int entry_count = -1; | |
| 84 int selected_entry = -2; // -1 is a valid value | |
| 85 | |
| 86 if (!iterator->ReadInt(&entry_count)) | |
| 87 return false; | |
| 88 | |
| 89 if (!iterator->ReadInt(&selected_entry)) | |
| 90 return false; | |
| 91 | |
| 92 if (entry_count < 0) | |
| 93 return false; | |
| 94 if (selected_entry < -1) | |
| 95 return false; | |
| 96 if (selected_entry >= entry_count) | |
| 97 return false; | |
| 98 | |
| 99 std::vector<std::unique_ptr<content::NavigationEntry>> entries; | |
| 100 entries.reserve(entry_count); | |
| 101 for (int i = 0; i < entry_count; ++i) { | |
| 102 entries.push_back(content::NavigationEntry::Create()); | |
| 103 if (!internal::RestoreNavigationEntryFromPickle(state_version, iterator, | |
| 104 entries[i].get())) | |
| 105 return false; | |
| 106 } | |
| 107 | |
| 108 // |web_contents| takes ownership of these entries after this call. | |
| 109 content::NavigationController& controller = web_contents->GetController(); | |
| 110 controller.Restore(selected_entry, | |
| 111 content::RestoreType::LAST_SESSION_EXITED_CLEANLY, | |
| 112 &entries); | |
| 113 DCHECK_EQ(0u, entries.size()); | |
| 114 | |
| 115 if (controller.GetLastCommittedEntry()) { | |
| 116 // Set up the file access rights for the selected navigation entry. | |
| 117 // TODO(joth): This is duplicated from chrome/.../session_restore.cc and | |
| 118 // should be shared e.g. in NavigationController. http://crbug.com/68222 | |
| 119 const int id = web_contents->GetRenderProcessHost()->GetID(); | |
| 120 const content::PageState& page_state = | |
| 121 controller.GetLastCommittedEntry()->GetPageState(); | |
| 122 const std::vector<base::FilePath>& file_paths = | |
| 123 page_state.GetReferencedFiles(); | |
| 124 for (std::vector<base::FilePath>::const_iterator file = file_paths.begin(); | |
| 125 file != file_paths.end(); ++file) { | |
| 126 content::ChildProcessSecurityPolicy::GetInstance()->GrantReadFile(id, | |
| 127 *file); | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 controller.LoadIfNecessary(); | |
| 132 | |
| 133 return true; | |
| 134 } | |
| 135 | |
| 136 namespace internal { | |
| 137 | |
| 138 bool WriteHeaderToPickle(base::Pickle* pickle) { | |
| 139 return WriteHeaderToPickle(AW_STATE_VERSION, pickle); | |
| 140 } | |
| 141 | |
| 142 bool WriteHeaderToPickle(uint32_t state_version, base::Pickle* pickle) { | |
| 143 return pickle->WriteUInt32(state_version); | |
| 144 } | |
| 145 | |
| 146 uint32_t RestoreHeaderFromPickle(base::PickleIterator* iterator) { | |
| 147 uint32_t state_version = -1; | |
| 148 if (!iterator->ReadUInt32(&state_version)) | |
| 149 return 0; | |
| 150 | |
| 151 if (IsSupportedVersion(state_version)) { | |
| 152 return state_version; | |
| 153 } | |
| 154 | |
| 155 return 0; | |
| 156 } | |
| 157 | |
| 158 bool IsSupportedVersion(uint32_t state_version) { | |
| 159 return state_version == internal::AW_STATE_VERSION_INITIAL || | |
| 160 state_version == internal::AW_STATE_VERSION_DATA_URL; | |
| 161 } | |
| 162 | |
| 163 bool WriteNavigationEntryToPickle(const content::NavigationEntry& entry, | |
| 164 base::Pickle* pickle) { | |
| 165 return WriteNavigationEntryToPickle(AW_STATE_VERSION, entry, pickle); | |
| 166 } | |
| 167 | |
| 168 bool WriteNavigationEntryToPickle(uint32_t state_version, | |
| 169 const content::NavigationEntry& entry, | |
| 170 base::Pickle* pickle) { | |
| 171 DCHECK(IsSupportedVersion(state_version)); | |
| 172 if (!pickle->WriteString(entry.GetURL().spec())) | |
| 173 return false; | |
| 174 | |
| 175 if (!pickle->WriteString(entry.GetVirtualURL().spec())) | |
| 176 return false; | |
| 177 | |
| 178 const content::Referrer& referrer = entry.GetReferrer(); | |
| 179 if (!pickle->WriteString(referrer.url.spec())) | |
| 180 return false; | |
| 181 if (!pickle->WriteInt(static_cast<int>(referrer.policy))) | |
| 182 return false; | |
| 183 | |
| 184 if (!pickle->WriteString16(entry.GetTitle())) | |
| 185 return false; | |
| 186 | |
| 187 if (!pickle->WriteString(entry.GetPageState().ToEncodedData())) | |
| 188 return false; | |
| 189 | |
| 190 if (!pickle->WriteBool(static_cast<int>(entry.GetHasPostData()))) | |
| 191 return false; | |
| 192 | |
| 193 if (!pickle->WriteString(entry.GetOriginalRequestURL().spec())) | |
| 194 return false; | |
| 195 | |
| 196 if (!pickle->WriteString(entry.GetBaseURLForDataURL().spec())) | |
| 197 return false; | |
| 198 | |
| 199 if (state_version >= internal::AW_STATE_VERSION_DATA_URL) { | |
| 200 const char* data = nullptr; | |
| 201 size_t size = 0; | |
| 202 scoped_refptr<const base::RefCountedString> s = entry.GetDataURLAsString(); | |
| 203 if (s) { | |
| 204 data = s->front_as<char>(); | |
| 205 size = s->size(); | |
| 206 } | |
| 207 // Even when |entry.GetDataForDataURL()| is null we still need to write a | |
| 208 // zero-length entry to ensure the fields all line up when read back in. | |
| 209 if (!pickle->WriteData(data, size)) | |
| 210 return false; | |
| 211 } | |
| 212 | |
| 213 if (!pickle->WriteBool(static_cast<int>(entry.GetIsOverridingUserAgent()))) | |
| 214 return false; | |
| 215 | |
| 216 if (!pickle->WriteInt64(entry.GetTimestamp().ToInternalValue())) | |
| 217 return false; | |
| 218 | |
| 219 if (!pickle->WriteInt(entry.GetHttpStatusCode())) | |
| 220 return false; | |
| 221 | |
| 222 // Please update AW_STATE_VERSION and IsSupportedVersion() if serialization | |
| 223 // format is changed. | |
| 224 // Make sure the serialization format is updated in a backwards compatible | |
| 225 // way. | |
| 226 | |
| 227 return true; | |
| 228 } | |
| 229 | |
| 230 bool RestoreNavigationEntryFromPickle(base::PickleIterator* iterator, | |
| 231 content::NavigationEntry* entry) { | |
| 232 return RestoreNavigationEntryFromPickle(AW_STATE_VERSION, iterator, entry); | |
| 233 } | |
| 234 | |
| 235 bool RestoreNavigationEntryFromPickle(uint32_t state_version, | |
| 236 base::PickleIterator* iterator, | |
| 237 content::NavigationEntry* entry) { | |
| 238 DCHECK(IsSupportedVersion(state_version)); | |
| 239 { | |
| 240 string url; | |
| 241 if (!iterator->ReadString(&url)) | |
| 242 return false; | |
| 243 entry->SetURL(GURL(url)); | |
| 244 } | |
| 245 | |
| 246 { | |
| 247 string virtual_url; | |
| 248 if (!iterator->ReadString(&virtual_url)) | |
| 249 return false; | |
| 250 entry->SetVirtualURL(GURL(virtual_url)); | |
| 251 } | |
| 252 | |
| 253 { | |
| 254 content::Referrer referrer; | |
| 255 string referrer_url; | |
| 256 int policy; | |
| 257 | |
| 258 if (!iterator->ReadString(&referrer_url)) | |
| 259 return false; | |
| 260 if (!iterator->ReadInt(&policy)) | |
| 261 return false; | |
| 262 | |
| 263 referrer.url = GURL(referrer_url); | |
| 264 referrer.policy = static_cast<blink::WebReferrerPolicy>(policy); | |
| 265 entry->SetReferrer(referrer); | |
| 266 } | |
| 267 | |
| 268 { | |
| 269 base::string16 title; | |
| 270 if (!iterator->ReadString16(&title)) | |
| 271 return false; | |
| 272 entry->SetTitle(title); | |
| 273 } | |
| 274 | |
| 275 { | |
| 276 string content_state; | |
| 277 if (!iterator->ReadString(&content_state)) | |
| 278 return false; | |
| 279 entry->SetPageState( | |
| 280 content::PageState::CreateFromEncodedData(content_state)); | |
| 281 } | |
| 282 | |
| 283 { | |
| 284 bool has_post_data; | |
| 285 if (!iterator->ReadBool(&has_post_data)) | |
| 286 return false; | |
| 287 entry->SetHasPostData(has_post_data); | |
| 288 } | |
| 289 | |
| 290 { | |
| 291 string original_request_url; | |
| 292 if (!iterator->ReadString(&original_request_url)) | |
| 293 return false; | |
| 294 entry->SetOriginalRequestURL(GURL(original_request_url)); | |
| 295 } | |
| 296 | |
| 297 { | |
| 298 string base_url_for_data_url; | |
| 299 if (!iterator->ReadString(&base_url_for_data_url)) | |
| 300 return false; | |
| 301 entry->SetBaseURLForDataURL(GURL(base_url_for_data_url)); | |
| 302 } | |
| 303 | |
| 304 if (state_version >= internal::AW_STATE_VERSION_DATA_URL) { | |
| 305 const char* data; | |
| 306 int size; | |
| 307 if (!iterator->ReadData(&data, &size)) | |
| 308 return false; | |
| 309 if (size > 0) { | |
| 310 scoped_refptr<base::RefCountedString> ref = new base::RefCountedString(); | |
| 311 ref->data().assign(data, size); | |
| 312 entry->SetDataURLAsString(ref); | |
| 313 } | |
| 314 } | |
| 315 | |
| 316 { | |
| 317 bool is_overriding_user_agent; | |
| 318 if (!iterator->ReadBool(&is_overriding_user_agent)) | |
| 319 return false; | |
| 320 entry->SetIsOverridingUserAgent(is_overriding_user_agent); | |
| 321 } | |
| 322 | |
| 323 { | |
| 324 int64_t timestamp; | |
| 325 if (!iterator->ReadInt64(×tamp)) | |
| 326 return false; | |
| 327 entry->SetTimestamp(base::Time::FromInternalValue(timestamp)); | |
| 328 } | |
| 329 | |
| 330 { | |
| 331 int http_status_code; | |
| 332 if (!iterator->ReadInt(&http_status_code)) | |
| 333 return false; | |
| 334 entry->SetHttpStatusCode(http_status_code); | |
| 335 } | |
| 336 | |
| 337 return true; | |
| 338 } | |
| 339 | |
| 340 } // namespace internal | |
| 341 | |
| 342 } // namespace android_webview | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2863233002:
[WebView] Move files from native to browser (Closed)
