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| 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 "ui/base/dragdrop/os_exchange_data_provider_aurax11.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/memory/ref_counted_memory.h" | |
| 9 #include "base/strings/string_util.h" | |
| 10 #include "base/strings/utf_string_conversions.h" | |
| 11 #include "net/base/filename_util.h" | |
| 12 #include "ui/base/clipboard/clipboard.h" | |
| 13 #include "ui/base/clipboard/scoped_clipboard_writer.h" | |
| 14 #include "ui/base/dragdrop/file_info.h" | |
| 15 #include "ui/base/x/selection_utils.h" | |
| 16 #include "ui/base/x/x11_util.h" | |
| 17 #include "ui/events/platform/platform_event_source.h" | |
| 18 | |
| 19 // Note: the GetBlah() methods are used immediately by the | |
| 20 // web_contents_view_aura.cc:PrepareDropData(), while the omnibox is a | |
| 21 // little more discriminating and calls HasBlah() before trying to get the | |
| 22 // information. | |
| 23 | |
| 24 namespace ui { | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 const char kDndSelection[] = "XdndSelection"; | |
| 29 const char kRendererTaint[] = "chromium/x-renderer-taint"; | |
| 30 | |
| 31 const char kNetscapeURL[] = "_NETSCAPE_URL"; | |
| 32 | |
| 33 const char* kAtomsToCache[] = { | |
| 34 kString, | |
| 35 kText, | |
| 36 kUtf8String, | |
| 37 kDndSelection, | |
| 38 Clipboard::kMimeTypeURIList, | |
| 39 kMimeTypeMozillaURL, | |
| 40 kNetscapeURL, | |
| 41 Clipboard::kMimeTypeText, | |
| 42 kRendererTaint, | |
| 43 NULL | |
| 44 }; | |
| 45 | |
| 46 } // namespace | |
| 47 | |
| 48 OSExchangeDataProviderAuraX11::OSExchangeDataProviderAuraX11( | |
| 49 ::Window x_window, | |
| 50 const SelectionFormatMap& selection) | |
| 51 : x_display_(gfx::GetXDisplay()), | |
| 52 x_root_window_(DefaultRootWindow(x_display_)), | |
| 53 own_window_(false), | |
| 54 x_window_(x_window), | |
| 55 atom_cache_(x_display_, kAtomsToCache), | |
| 56 format_map_(selection), | |
| 57 selection_owner_(x_display_, x_window_, | |
| 58 atom_cache_.GetAtom(kDndSelection)) { | |
| 59 // We don't know all possible MIME types at compile time. | |
| 60 atom_cache_.allow_uncached_atoms(); | |
| 61 } | |
| 62 | |
| 63 OSExchangeDataProviderAuraX11::OSExchangeDataProviderAuraX11() | |
| 64 : x_display_(gfx::GetXDisplay()), | |
| 65 x_root_window_(DefaultRootWindow(x_display_)), | |
| 66 own_window_(true), | |
| 67 x_window_(XCreateWindow( | |
| 68 x_display_, | |
| 69 x_root_window_, | |
| 70 -100, -100, 10, 10, // x, y, width, height | |
| 71 0, // border width | |
| 72 CopyFromParent, // depth | |
| 73 InputOnly, | |
| 74 CopyFromParent, // visual | |
| 75 0, | |
| 76 NULL)), | |
| 77 atom_cache_(x_display_, kAtomsToCache), | |
| 78 format_map_(), | |
| 79 selection_owner_(x_display_, x_window_, | |
| 80 atom_cache_.GetAtom(kDndSelection)) { | |
| 81 // We don't know all possible MIME types at compile time. | |
| 82 atom_cache_.allow_uncached_atoms(); | |
| 83 | |
| 84 XStoreName(x_display_, x_window_, "Chromium Drag & Drop Window"); | |
| 85 | |
| 86 PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this); | |
| 87 } | |
| 88 | |
| 89 OSExchangeDataProviderAuraX11::~OSExchangeDataProviderAuraX11() { | |
| 90 if (own_window_) { | |
| 91 PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this); | |
| 92 XDestroyWindow(x_display_, x_window_); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 void OSExchangeDataProviderAuraX11::TakeOwnershipOfSelection() const { | |
| 97 selection_owner_.TakeOwnershipOfSelection(format_map_); | |
| 98 } | |
| 99 | |
| 100 void OSExchangeDataProviderAuraX11::RetrieveTargets( | |
| 101 std::vector<Atom>* targets) const { | |
| 102 selection_owner_.RetrieveTargets(targets); | |
| 103 } | |
| 104 | |
| 105 SelectionFormatMap OSExchangeDataProviderAuraX11::GetFormatMap() const { | |
| 106 // We return the |selection_owner_|'s format map instead of our own in case | |
| 107 // ours has been modified since TakeOwnershipOfSelection() was called. | |
| 108 return selection_owner_.selection_format_map(); | |
| 109 } | |
| 110 | |
| 111 OSExchangeData::Provider* OSExchangeDataProviderAuraX11::Clone() const { | |
| 112 OSExchangeDataProviderAuraX11* ret = new OSExchangeDataProviderAuraX11(); | |
| 113 ret->format_map_ = format_map_; | |
| 114 return ret; | |
| 115 } | |
| 116 | |
| 117 void OSExchangeDataProviderAuraX11::MarkOriginatedFromRenderer() { | |
| 118 std::string empty; | |
| 119 format_map_.Insert(atom_cache_.GetAtom(kRendererTaint), | |
| 120 scoped_refptr<base::RefCountedMemory>( | |
| 121 base::RefCountedString::TakeString(&empty))); | |
| 122 } | |
| 123 | |
| 124 bool OSExchangeDataProviderAuraX11::DidOriginateFromRenderer() const { | |
| 125 return format_map_.find(atom_cache_.GetAtom(kRendererTaint)) != | |
| 126 format_map_.end(); | |
| 127 } | |
| 128 | |
| 129 void OSExchangeDataProviderAuraX11::SetString(const base::string16& text_data) { | |
| 130 if (HasString()) | |
| 131 return; | |
| 132 | |
| 133 std::string utf8 = base::UTF16ToUTF8(text_data); | |
| 134 scoped_refptr<base::RefCountedMemory> mem( | |
| 135 base::RefCountedString::TakeString(&utf8)); | |
| 136 | |
| 137 format_map_.Insert(atom_cache_.GetAtom(Clipboard::kMimeTypeText), mem); | |
| 138 format_map_.Insert(atom_cache_.GetAtom(kText), mem); | |
| 139 format_map_.Insert(atom_cache_.GetAtom(kString), mem); | |
| 140 format_map_.Insert(atom_cache_.GetAtom(kUtf8String), mem); | |
| 141 } | |
| 142 | |
| 143 void OSExchangeDataProviderAuraX11::SetURL(const GURL& url, | |
| 144 const base::string16& title) { | |
| 145 // TODO(dcheng): The original GTK code tries very hard to avoid writing out an | |
| 146 // empty title. Is this necessary? | |
| 147 if (url.is_valid()) { | |
| 148 // Mozilla's URL format: (UTF16: URL, newline, title) | |
| 149 base::string16 spec = base::UTF8ToUTF16(url.spec()); | |
| 150 | |
| 151 std::vector<unsigned char> data; | |
| 152 ui::AddString16ToVector(spec, &data); | |
| 153 ui::AddString16ToVector(base::ASCIIToUTF16("\n"), &data); | |
| 154 ui::AddString16ToVector(title, &data); | |
| 155 scoped_refptr<base::RefCountedMemory> mem( | |
| 156 base::RefCountedBytes::TakeVector(&data)); | |
| 157 | |
| 158 format_map_.Insert(atom_cache_.GetAtom(kMimeTypeMozillaURL), mem); | |
| 159 | |
| 160 // Set a string fallback as well. | |
| 161 SetString(spec); | |
| 162 | |
| 163 // Return early if this drag already contains file contents (this implies | |
| 164 // that file contents must be populated before URLs). Nautilus (and possibly | |
| 165 // other file managers) prefer _NETSCAPE_URL over the X Direct Save | |
| 166 // protocol, but we want to prioritize XDS in this case. | |
| 167 if (!file_contents_name_.empty()) | |
| 168 return; | |
| 169 | |
| 170 // Set _NETSCAPE_URL for file managers like Nautilus that use it as a hint | |
| 171 // to create a link to the URL. Setting text/uri-list doesn't work because | |
| 172 // Nautilus will fetch and copy the contents of the URL to the drop target | |
| 173 // instead of linking... | |
| 174 // Format is UTF8: URL + "\n" + title. | |
| 175 std::string netscape_url = url.spec(); | |
| 176 netscape_url += "\n"; | |
| 177 netscape_url += base::UTF16ToUTF8(title); | |
| 178 format_map_.Insert(atom_cache_.GetAtom(kNetscapeURL), | |
| 179 scoped_refptr<base::RefCountedMemory>( | |
| 180 base::RefCountedString::TakeString(&netscape_url))); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 void OSExchangeDataProviderAuraX11::SetFilename(const base::FilePath& path) { | |
| 185 std::vector<FileInfo> data; | |
| 186 data.push_back(FileInfo(path, base::FilePath())); | |
| 187 SetFilenames(data); | |
| 188 } | |
| 189 | |
| 190 void OSExchangeDataProviderAuraX11::SetFilenames( | |
| 191 const std::vector<FileInfo>& filenames) { | |
| 192 std::vector<std::string> paths; | |
| 193 for (std::vector<FileInfo>::const_iterator it = filenames.begin(); | |
| 194 it != filenames.end(); | |
| 195 ++it) { | |
| 196 std::string url_spec = net::FilePathToFileURL(it->path).spec(); | |
| 197 if (!url_spec.empty()) | |
| 198 paths.push_back(url_spec); | |
| 199 } | |
| 200 | |
| 201 std::string joined_data = JoinString(paths, '\n'); | |
| 202 scoped_refptr<base::RefCountedMemory> mem( | |
| 203 base::RefCountedString::TakeString(&joined_data)); | |
| 204 format_map_.Insert(atom_cache_.GetAtom(Clipboard::kMimeTypeURIList), mem); | |
| 205 } | |
| 206 | |
| 207 void OSExchangeDataProviderAuraX11::SetPickledData( | |
| 208 const OSExchangeData::CustomFormat& format, | |
| 209 const Pickle& pickle) { | |
| 210 const unsigned char* data = | |
| 211 reinterpret_cast<const unsigned char*>(pickle.data()); | |
| 212 | |
| 213 std::vector<unsigned char> bytes; | |
| 214 bytes.insert(bytes.end(), data, data + pickle.size()); | |
| 215 scoped_refptr<base::RefCountedMemory> mem( | |
| 216 base::RefCountedBytes::TakeVector(&bytes)); | |
| 217 | |
| 218 format_map_.Insert(atom_cache_.GetAtom(format.ToString().c_str()), mem); | |
| 219 } | |
| 220 | |
| 221 bool OSExchangeDataProviderAuraX11::GetString(base::string16* result) const { | |
| 222 if (HasFile()) { | |
| 223 // Various Linux file managers both pass a list of file:// URIs and set the | |
| 224 // string representation to the URI. We explicitly don't want to return use | |
| 225 // this representation. | |
| 226 return false; | |
| 227 } | |
| 228 | |
| 229 std::vector< ::Atom> text_atoms = ui::GetTextAtomsFrom(&atom_cache_); | |
| 230 std::vector< ::Atom> requested_types; | |
| 231 ui::GetAtomIntersection(text_atoms, GetTargets(), &requested_types); | |
| 232 | |
| 233 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 234 if (data.IsValid()) { | |
| 235 std::string text = data.GetText(); | |
| 236 *result = base::UTF8ToUTF16(text); | |
| 237 return true; | |
| 238 } | |
| 239 | |
| 240 return false; | |
| 241 } | |
| 242 | |
| 243 bool OSExchangeDataProviderAuraX11::GetURLAndTitle( | |
| 244 OSExchangeData::FilenameToURLPolicy policy, | |
| 245 GURL* url, | |
| 246 base::string16* title) const { | |
| 247 std::vector< ::Atom> url_atoms = ui::GetURLAtomsFrom(&atom_cache_); | |
| 248 std::vector< ::Atom> requested_types; | |
| 249 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 250 | |
| 251 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 252 if (data.IsValid()) { | |
| 253 // TODO(erg): Technically, both of these forms can accept multiple URLs, | |
| 254 // but that doesn't match the assumptions of the rest of the system which | |
| 255 // expect single types. | |
| 256 | |
| 257 if (data.GetType() == atom_cache_.GetAtom(kMimeTypeMozillaURL)) { | |
| 258 // Mozilla URLs are (UTF16: URL, newline, title). | |
| 259 base::string16 unparsed; | |
| 260 data.AssignTo(&unparsed); | |
| 261 | |
| 262 std::vector<base::string16> tokens; | |
| 263 size_t num_tokens = Tokenize(unparsed, base::ASCIIToUTF16("\n"), &tokens); | |
| 264 if (num_tokens > 0) { | |
| 265 if (num_tokens > 1) | |
| 266 *title = tokens[1]; | |
| 267 else | |
| 268 *title = base::string16(); | |
| 269 | |
| 270 *url = GURL(tokens[0]); | |
| 271 return true; | |
| 272 } | |
| 273 } else if (data.GetType() == atom_cache_.GetAtom( | |
| 274 Clipboard::kMimeTypeURIList)) { | |
| 275 std::vector<std::string> tokens = ui::ParseURIList(data); | |
| 276 for (std::vector<std::string>::const_iterator it = tokens.begin(); | |
| 277 it != tokens.end(); ++it) { | |
| 278 GURL test_url(*it); | |
| 279 if (!test_url.SchemeIsFile() || | |
| 280 policy == OSExchangeData::CONVERT_FILENAMES) { | |
| 281 *url = test_url; | |
| 282 *title = base::string16(); | |
| 283 return true; | |
| 284 } | |
| 285 } | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 return false; | |
| 290 } | |
| 291 | |
| 292 bool OSExchangeDataProviderAuraX11::GetFilename(base::FilePath* path) const { | |
| 293 std::vector<FileInfo> filenames; | |
| 294 if (GetFilenames(&filenames)) { | |
| 295 *path = filenames.front().path; | |
| 296 return true; | |
| 297 } | |
| 298 | |
| 299 return false; | |
| 300 } | |
| 301 | |
| 302 bool OSExchangeDataProviderAuraX11::GetFilenames( | |
| 303 std::vector<FileInfo>* filenames) const { | |
| 304 std::vector< ::Atom> url_atoms = ui::GetURIListAtomsFrom(&atom_cache_); | |
| 305 std::vector< ::Atom> requested_types; | |
| 306 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 307 | |
| 308 filenames->clear(); | |
| 309 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 310 if (data.IsValid()) { | |
| 311 std::vector<std::string> tokens = ui::ParseURIList(data); | |
| 312 for (std::vector<std::string>::const_iterator it = tokens.begin(); | |
| 313 it != tokens.end(); ++it) { | |
| 314 GURL url(*it); | |
| 315 base::FilePath file_path; | |
| 316 if (url.SchemeIsFile() && net::FileURLToFilePath(url, &file_path)) { | |
| 317 filenames->push_back(FileInfo(file_path, base::FilePath())); | |
| 318 } | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 return !filenames->empty(); | |
| 323 } | |
| 324 | |
| 325 bool OSExchangeDataProviderAuraX11::GetPickledData( | |
| 326 const OSExchangeData::CustomFormat& format, | |
| 327 Pickle* pickle) const { | |
| 328 std::vector< ::Atom> requested_types; | |
| 329 requested_types.push_back(atom_cache_.GetAtom(format.ToString().c_str())); | |
| 330 | |
| 331 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 332 if (data.IsValid()) { | |
| 333 // Note that the pickle object on the right hand side of the assignment | |
| 334 // only refers to the bytes in |data|. The assignment copies the data. | |
| 335 *pickle = Pickle(reinterpret_cast<const char*>(data.GetData()), | |
| 336 static_cast<int>(data.GetSize())); | |
| 337 return true; | |
| 338 } | |
| 339 | |
| 340 return false; | |
| 341 } | |
| 342 | |
| 343 bool OSExchangeDataProviderAuraX11::HasString() const { | |
| 344 std::vector< ::Atom> text_atoms = ui::GetTextAtomsFrom(&atom_cache_); | |
| 345 std::vector< ::Atom> requested_types; | |
| 346 ui::GetAtomIntersection(text_atoms, GetTargets(), &requested_types); | |
| 347 return !requested_types.empty() && !HasFile(); | |
| 348 } | |
| 349 | |
| 350 bool OSExchangeDataProviderAuraX11::HasURL( | |
| 351 OSExchangeData::FilenameToURLPolicy policy) const { | |
| 352 std::vector< ::Atom> url_atoms = ui::GetURLAtomsFrom(&atom_cache_); | |
| 353 std::vector< ::Atom> requested_types; | |
| 354 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 355 | |
| 356 if (requested_types.empty()) | |
| 357 return false; | |
| 358 | |
| 359 // The Linux desktop doesn't differentiate between files and URLs like | |
| 360 // Windows does and stuffs all the data into one mime type. | |
| 361 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 362 if (data.IsValid()) { | |
| 363 if (data.GetType() == atom_cache_.GetAtom(kMimeTypeMozillaURL)) { | |
| 364 // File managers shouldn't be using this type, so this is a URL. | |
| 365 return true; | |
| 366 } else if (data.GetType() == atom_cache_.GetAtom( | |
| 367 ui::Clipboard::kMimeTypeURIList)) { | |
| 368 std::vector<std::string> tokens = ui::ParseURIList(data); | |
| 369 for (std::vector<std::string>::const_iterator it = tokens.begin(); | |
| 370 it != tokens.end(); ++it) { | |
| 371 if (!GURL(*it).SchemeIsFile() || | |
| 372 policy == OSExchangeData::CONVERT_FILENAMES) | |
| 373 return true; | |
| 374 } | |
| 375 | |
| 376 return false; | |
| 377 } | |
| 378 } | |
| 379 | |
| 380 return false; | |
| 381 } | |
| 382 | |
| 383 bool OSExchangeDataProviderAuraX11::HasFile() const { | |
| 384 std::vector< ::Atom> url_atoms = ui::GetURIListAtomsFrom(&atom_cache_); | |
| 385 std::vector< ::Atom> requested_types; | |
| 386 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 387 | |
| 388 if (requested_types.empty()) | |
| 389 return false; | |
| 390 | |
| 391 // To actually answer whether we have a file, we need to look through the | |
| 392 // contents of the kMimeTypeURIList type, and see if any of them are file:// | |
| 393 // URIs. | |
| 394 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 395 if (data.IsValid()) { | |
| 396 std::vector<std::string> tokens = ui::ParseURIList(data); | |
| 397 for (std::vector<std::string>::const_iterator it = tokens.begin(); | |
| 398 it != tokens.end(); ++it) { | |
| 399 GURL url(*it); | |
| 400 base::FilePath file_path; | |
| 401 if (url.SchemeIsFile() && net::FileURLToFilePath(url, &file_path)) | |
| 402 return true; | |
| 403 } | |
| 404 } | |
| 405 | |
| 406 return false; | |
| 407 } | |
| 408 | |
| 409 bool OSExchangeDataProviderAuraX11::HasCustomFormat( | |
| 410 const OSExchangeData::CustomFormat& format) const { | |
| 411 std::vector< ::Atom> url_atoms; | |
| 412 url_atoms.push_back(atom_cache_.GetAtom(format.ToString().c_str())); | |
| 413 std::vector< ::Atom> requested_types; | |
| 414 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 415 | |
| 416 return !requested_types.empty(); | |
| 417 } | |
| 418 | |
| 419 void OSExchangeDataProviderAuraX11::SetFileContents( | |
| 420 const base::FilePath& filename, | |
| 421 const std::string& file_contents) { | |
| 422 DCHECK(!filename.empty()); | |
| 423 DCHECK(format_map_.end() == | |
| 424 format_map_.find(atom_cache_.GetAtom(kMimeTypeMozillaURL))); | |
| 425 | |
| 426 file_contents_name_ = filename; | |
| 427 | |
| 428 // Direct save handling is a complicated juggling affair between this class, | |
| 429 // SelectionFormat, and DesktopDragDropClientAuraX11. The general idea behind | |
| 430 // the protocol is this: | |
| 431 // - The source window sets its XdndDirectSave0 window property to the | |
| 432 // proposed filename. | |
| 433 // - When a target window receives the drop, it updates the XdndDirectSave0 | |
| 434 // property on the source window to the filename it would like the contents | |
| 435 // to be saved to and then requests the XdndDirectSave0 type from the | |
| 436 // source. | |
| 437 // - The source is supposed to copy the file here and return success (S), | |
| 438 // failure (F), or error (E). | |
| 439 // - In this case, failure means the destination should try to populate the | |
| 440 // file itself by copying the data from application/octet-stream. To make | |
| 441 // things simpler for Chrome, we always 'fail' and let the destination do | |
| 442 // the work. | |
| 443 std::string failure("F"); | |
| 444 format_map_.Insert( | |
| 445 atom_cache_.GetAtom("XdndDirectSave0"), | |
| 446 scoped_refptr<base::RefCountedMemory>( | |
| 447 base::RefCountedString::TakeString(&failure))); | |
| 448 std::string file_contents_copy = file_contents; | |
| 449 format_map_.Insert( | |
| 450 atom_cache_.GetAtom("application/octet-stream"), | |
| 451 scoped_refptr<base::RefCountedMemory>( | |
| 452 base::RefCountedString::TakeString(&file_contents_copy))); | |
| 453 } | |
| 454 | |
| 455 void OSExchangeDataProviderAuraX11::SetHtml(const base::string16& html, | |
| 456 const GURL& base_url) { | |
| 457 std::vector<unsigned char> bytes; | |
| 458 // Manually jam a UTF16 BOM into bytes because otherwise, other programs will | |
| 459 // assume UTF-8. | |
| 460 bytes.push_back(0xFF); | |
| 461 bytes.push_back(0xFE); | |
| 462 ui::AddString16ToVector(html, &bytes); | |
| 463 scoped_refptr<base::RefCountedMemory> mem( | |
| 464 base::RefCountedBytes::TakeVector(&bytes)); | |
| 465 | |
| 466 format_map_.Insert(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML), mem); | |
| 467 } | |
| 468 | |
| 469 bool OSExchangeDataProviderAuraX11::GetHtml(base::string16* html, | |
| 470 GURL* base_url) const { | |
| 471 std::vector< ::Atom> url_atoms; | |
| 472 url_atoms.push_back(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML)); | |
| 473 std::vector< ::Atom> requested_types; | |
| 474 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 475 | |
| 476 ui::SelectionData data(format_map_.GetFirstOf(requested_types)); | |
| 477 if (data.IsValid()) { | |
| 478 *html = data.GetHtml(); | |
| 479 *base_url = GURL(); | |
| 480 return true; | |
| 481 } | |
| 482 | |
| 483 return false; | |
| 484 } | |
| 485 | |
| 486 bool OSExchangeDataProviderAuraX11::HasHtml() const { | |
| 487 std::vector< ::Atom> url_atoms; | |
| 488 url_atoms.push_back(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML)); | |
| 489 std::vector< ::Atom> requested_types; | |
| 490 ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); | |
| 491 | |
| 492 return !requested_types.empty(); | |
| 493 } | |
| 494 | |
| 495 void OSExchangeDataProviderAuraX11::SetDragImage( | |
| 496 const gfx::ImageSkia& image, | |
| 497 const gfx::Vector2d& cursor_offset) { | |
| 498 drag_image_ = image; | |
| 499 drag_image_offset_ = cursor_offset; | |
| 500 } | |
| 501 | |
| 502 const gfx::ImageSkia& OSExchangeDataProviderAuraX11::GetDragImage() const { | |
| 503 return drag_image_; | |
| 504 } | |
| 505 | |
| 506 const gfx::Vector2d& OSExchangeDataProviderAuraX11::GetDragImageOffset() const { | |
| 507 return drag_image_offset_; | |
| 508 } | |
| 509 | |
| 510 bool OSExchangeDataProviderAuraX11::CanDispatchEvent( | |
| 511 const PlatformEvent& event) { | |
| 512 return event->xany.window == x_window_; | |
| 513 } | |
| 514 | |
| 515 uint32_t OSExchangeDataProviderAuraX11::DispatchEvent( | |
| 516 const PlatformEvent& event) { | |
| 517 XEvent* xev = event; | |
| 518 switch (xev->type) { | |
| 519 case SelectionRequest: | |
| 520 selection_owner_.OnSelectionRequest(*xev); | |
| 521 return ui::POST_DISPATCH_STOP_PROPAGATION; | |
| 522 default: | |
| 523 NOTIMPLEMENTED(); | |
| 524 } | |
| 525 return ui::POST_DISPATCH_NONE; | |
| 526 } | |
| 527 | |
| 528 bool OSExchangeDataProviderAuraX11::GetPlainTextURL(GURL* url) const { | |
| 529 base::string16 text; | |
| 530 if (GetString(&text)) { | |
| 531 GURL test_url(text); | |
| 532 if (test_url.is_valid()) { | |
| 533 *url = test_url; | |
| 534 return true; | |
| 535 } | |
| 536 } | |
| 537 | |
| 538 return false; | |
| 539 } | |
| 540 | |
| 541 std::vector< ::Atom> OSExchangeDataProviderAuraX11::GetTargets() const { | |
| 542 return format_map_.GetTypes(); | |
| 543 } | |
| 544 | |
| 545 /////////////////////////////////////////////////////////////////////////////// | |
| 546 // OSExchangeData, public: | |
| 547 | |
| 548 // static | |
| 549 OSExchangeData::Provider* OSExchangeData::CreateProvider() { | |
| 550 return new OSExchangeDataProviderAuraX11(); | |
| 551 } | |
| 552 | |
| 553 } // namespace ui | |
| OLD | NEW |
|---|
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