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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 "stdafx.h" | |
| 6 #include "win8/metro_driver/file_picker.h" | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 #include <stdint.h> | |
| 10 #include <windows.storage.pickers.h> | |
| 11 | |
| 12 #include "base/bind.h" | |
| 13 #include "base/files/file_path.h" | |
| 14 #include "base/logging.h" | |
| 15 #include "base/macros.h" | |
| 16 #include "base/message_loop/message_loop.h" | |
| 17 #include "base/strings/string_util.h" | |
| 18 #include "base/synchronization/waitable_event.h" | |
| 19 #include "base/win/metro.h" | |
| 20 #include "base/win/scoped_comptr.h" | |
| 21 #include "win8/metro_driver/chrome_app_view.h" | |
| 22 #include "win8/metro_driver/winrt_utils.h" | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 namespace winstorage = ABI::Windows::Storage; | |
| 27 typedef winfoundtn::Collections::IVector<HSTRING> StringVectorItf; | |
| 28 | |
| 29 // TODO(siggi): Complete this implementation and move it to a common place. | |
| 30 class StringVectorImpl : public mswr::RuntimeClass<StringVectorItf> { | |
| 31 public: | |
| 32 ~StringVectorImpl() { | |
| 33 std::for_each(strings_.begin(), strings_.end(), ::WindowsDeleteString); | |
| 34 } | |
| 35 | |
| 36 HRESULT RuntimeClassInitialize(const std::vector<base::string16>& list) { | |
| 37 for (size_t i = 0; i < list.size(); ++i) | |
| 38 strings_.push_back(MakeHString(list[i])); | |
| 39 | |
| 40 return S_OK; | |
| 41 } | |
| 42 | |
| 43 // IVector<HSTRING> implementation. | |
| 44 STDMETHOD(GetAt)(unsigned index, HSTRING* item) { | |
| 45 if (index >= strings_.size()) | |
| 46 return E_INVALIDARG; | |
| 47 | |
| 48 return ::WindowsDuplicateString(strings_[index], item); | |
| 49 } | |
| 50 STDMETHOD(get_Size)(unsigned *size) { | |
| 51 if (strings_.size() > UINT_MAX) | |
| 52 return E_UNEXPECTED; | |
| 53 *size = static_cast<unsigned>(strings_.size()); | |
| 54 return S_OK; | |
| 55 } | |
| 56 STDMETHOD(GetView)(winfoundtn::Collections::IVectorView<HSTRING> **view) { | |
| 57 return E_NOTIMPL; | |
| 58 } | |
| 59 STDMETHOD(IndexOf)(HSTRING value, unsigned *index, boolean *found) { | |
| 60 return E_NOTIMPL; | |
| 61 } | |
| 62 | |
| 63 // write methods | |
| 64 STDMETHOD(SetAt)(unsigned index, HSTRING item) { | |
| 65 return E_NOTIMPL; | |
| 66 } | |
| 67 STDMETHOD(InsertAt)(unsigned index, HSTRING item) { | |
| 68 return E_NOTIMPL; | |
| 69 } | |
| 70 STDMETHOD(RemoveAt)(unsigned index) { | |
| 71 return E_NOTIMPL; | |
| 72 } | |
| 73 STDMETHOD(Append)(HSTRING item) { | |
| 74 return E_NOTIMPL; | |
| 75 } | |
| 76 STDMETHOD(RemoveAtEnd)() { | |
| 77 return E_NOTIMPL; | |
| 78 } | |
| 79 STDMETHOD(Clear)() { | |
| 80 return E_NOTIMPL; | |
| 81 } | |
| 82 | |
| 83 private: | |
| 84 std::vector<HSTRING> strings_; | |
| 85 }; | |
| 86 | |
| 87 class FilePickerSessionBase { | |
| 88 public: | |
| 89 // Creates a file picker for open_file_name. | |
| 90 explicit FilePickerSessionBase(OPENFILENAME* open_file_name); | |
| 91 | |
| 92 // Runs the picker, returns true on success. | |
| 93 bool Run(); | |
| 94 | |
| 95 protected: | |
| 96 // Creates, configures and starts a file picker. | |
| 97 // If the HRESULT returned is a failure code the file picker has not started, | |
| 98 // so no callbacks should be expected. | |
| 99 virtual HRESULT StartFilePicker() = 0; | |
| 100 | |
| 101 // The parameters to our picker. | |
| 102 OPENFILENAME* open_file_name_; | |
| 103 // The event Run waits on. | |
| 104 base::WaitableEvent event_; | |
| 105 // True iff a file picker has successfully finished. | |
| 106 bool success_; | |
| 107 | |
| 108 private: | |
| 109 // Initiate a file picker, must be called on the metro dispatcher's thread. | |
| 110 void DoFilePicker(); | |
| 111 | |
| 112 DISALLOW_COPY_AND_ASSIGN(FilePickerSessionBase); | |
| 113 }; | |
| 114 | |
| 115 class OpenFilePickerSession : public FilePickerSessionBase { | |
| 116 public: | |
| 117 explicit OpenFilePickerSession(OPENFILENAME* open_file_name); | |
| 118 | |
| 119 private: | |
| 120 HRESULT StartFilePicker() override; | |
| 121 | |
| 122 typedef winfoundtn::IAsyncOperation<winstorage::StorageFile*> | |
| 123 SingleFileAsyncOp; | |
| 124 typedef winfoundtn::Collections::IVectorView< | |
| 125 winstorage::StorageFile*> StorageFileVectorCollection; | |
| 126 typedef winfoundtn::IAsyncOperation<StorageFileVectorCollection*> | |
| 127 MultiFileAsyncOp; | |
| 128 | |
| 129 // Called asynchronously when a single file picker is done. | |
| 130 HRESULT SinglePickerDone(SingleFileAsyncOp* async, AsyncStatus status); | |
| 131 | |
| 132 // Called asynchronously when a multi file picker is done. | |
| 133 HRESULT MultiPickerDone(MultiFileAsyncOp* async, AsyncStatus status); | |
| 134 | |
| 135 // Composes a multi-file result string suitable for returning to a | |
| 136 // from a storage file collection. | |
| 137 static HRESULT ComposeMultiFileResult(StorageFileVectorCollection* files, | |
| 138 base::string16* result); | |
| 139 private: | |
| 140 DISALLOW_COPY_AND_ASSIGN(OpenFilePickerSession); | |
| 141 }; | |
| 142 | |
| 143 class SaveFilePickerSession : public FilePickerSessionBase { | |
| 144 public: | |
| 145 explicit SaveFilePickerSession(OPENFILENAME* open_file_name); | |
| 146 | |
| 147 private: | |
| 148 HRESULT StartFilePicker() override; | |
| 149 | |
| 150 typedef winfoundtn::IAsyncOperation<winstorage::StorageFile*> | |
| 151 SaveFileAsyncOp; | |
| 152 | |
| 153 // Called asynchronously when the save file picker is done. | |
| 154 HRESULT FilePickerDone(SaveFileAsyncOp* async, AsyncStatus status); | |
| 155 }; | |
| 156 | |
| 157 FilePickerSessionBase::FilePickerSessionBase(OPENFILENAME* open_file_name) | |
| 158 : open_file_name_(open_file_name), | |
| 159 event_(true, false), | |
| 160 success_(false) { | |
| 161 } | |
| 162 | |
| 163 bool FilePickerSessionBase::Run() { | |
| 164 DCHECK(globals.appview_msg_loop != NULL); | |
| 165 | |
| 166 // Post the picker request over to the metro thread. | |
| 167 bool posted = globals.appview_msg_loop->PostTask(FROM_HERE, | |
| 168 base::Bind(&FilePickerSessionBase::DoFilePicker, base::Unretained(this))); | |
| 169 if (!posted) | |
| 170 return false; | |
| 171 | |
| 172 // Wait for the file picker to complete. | |
| 173 event_.Wait(); | |
| 174 | |
| 175 return success_; | |
| 176 } | |
| 177 | |
| 178 void FilePickerSessionBase::DoFilePicker() { | |
| 179 // The file picker will fail if spawned from a snapped application, | |
| 180 // so let's attempt to unsnap first if we're in that state. | |
| 181 HRESULT hr = ChromeAppView::Unsnap(); | |
| 182 if (FAILED(hr)) { | |
| 183 LOG(ERROR) << "Failed to unsnap for file picker, error 0x" << hr; | |
| 184 } | |
| 185 | |
| 186 if (SUCCEEDED(hr)) | |
| 187 hr = StartFilePicker(); | |
| 188 | |
| 189 if (FAILED(hr)) { | |
| 190 LOG(ERROR) << "Failed to start file picker, error 0x" | |
| 191 << std::hex << hr; | |
| 192 | |
| 193 event_.Signal(); | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 OpenFilePickerSession::OpenFilePickerSession(OPENFILENAME* open_file_name) | |
| 198 : FilePickerSessionBase(open_file_name) { | |
| 199 } | |
| 200 | |
| 201 HRESULT OpenFilePickerSession::SinglePickerDone(SingleFileAsyncOp* async, | |
| 202 AsyncStatus status) { | |
| 203 if (status == Completed) { | |
| 204 mswr::ComPtr<winstorage::IStorageFile> file; | |
| 205 HRESULT hr = async->GetResults(file.GetAddressOf()); | |
| 206 | |
| 207 if (file) { | |
| 208 mswr::ComPtr<winstorage::IStorageItem> storage_item; | |
| 209 if (SUCCEEDED(hr)) | |
| 210 hr = file.As(&storage_item); | |
| 211 | |
| 212 mswrw::HString file_path; | |
| 213 if (SUCCEEDED(hr)) | |
| 214 hr = storage_item->get_Path(file_path.GetAddressOf()); | |
| 215 | |
| 216 if (SUCCEEDED(hr)) { | |
| 217 UINT32 path_len = 0; | |
| 218 const wchar_t* path_str = | |
| 219 ::WindowsGetStringRawBuffer(file_path.Get(), &path_len); | |
| 220 | |
| 221 // If the selected file name is longer than the supplied buffer, | |
| 222 // we return false as per GetOpenFileName documentation. | |
| 223 if (path_len < open_file_name_->nMaxFile) { | |
| 224 base::wcslcpy(open_file_name_->lpstrFile, | |
| 225 path_str, | |
| 226 open_file_name_->nMaxFile); | |
| 227 success_ = true; | |
| 228 } | |
| 229 } | |
| 230 } else { | |
| 231 LOG(ERROR) << "NULL IStorageItem"; | |
| 232 } | |
| 233 } else { | |
| 234 LOG(ERROR) << "Unexpected async status " << static_cast<int>(status); | |
| 235 } | |
| 236 | |
| 237 event_.Signal(); | |
| 238 | |
| 239 return S_OK; | |
| 240 } | |
| 241 | |
| 242 HRESULT OpenFilePickerSession::MultiPickerDone(MultiFileAsyncOp* async, | |
| 243 AsyncStatus status) { | |
| 244 if (status == Completed) { | |
| 245 mswr::ComPtr<StorageFileVectorCollection> files; | |
| 246 HRESULT hr = async->GetResults(files.GetAddressOf()); | |
| 247 | |
| 248 if (files) { | |
| 249 base::string16 result; | |
| 250 if (SUCCEEDED(hr)) | |
| 251 hr = ComposeMultiFileResult(files.Get(), &result); | |
| 252 | |
| 253 if (SUCCEEDED(hr)) { | |
| 254 if (result.size() + 1 < open_file_name_->nMaxFile) { | |
| 255 // Because the result has embedded nulls, we must memcpy. | |
| 256 memcpy(open_file_name_->lpstrFile, | |
| 257 result.c_str(), | |
| 258 (result.size() + 1) * sizeof(result[0])); | |
| 259 success_ = true; | |
| 260 } | |
| 261 } | |
| 262 } else { | |
| 263 LOG(ERROR) << "NULL StorageFileVectorCollection"; | |
| 264 } | |
| 265 } else { | |
| 266 LOG(ERROR) << "Unexpected async status " << static_cast<int>(status); | |
| 267 } | |
| 268 | |
| 269 event_.Signal(); | |
| 270 | |
| 271 return S_OK; | |
| 272 } | |
| 273 | |
| 274 HRESULT OpenFilePickerSession::StartFilePicker() { | |
| 275 DCHECK(globals.appview_msg_loop->BelongsToCurrentThread()); | |
| 276 DCHECK(open_file_name_ != NULL); | |
| 277 | |
| 278 mswrw::HStringReference class_name( | |
| 279 RuntimeClass_Windows_Storage_Pickers_FileOpenPicker); | |
| 280 | |
| 281 // Create the file picker. | |
| 282 mswr::ComPtr<winstorage::Pickers::IFileOpenPicker> picker; | |
| 283 HRESULT hr = ::Windows::Foundation::ActivateInstance( | |
| 284 class_name.Get(), picker.GetAddressOf()); | |
| 285 CheckHR(hr); | |
| 286 | |
| 287 // Set the file type filter | |
| 288 mswr::ComPtr<winfoundtn::Collections::IVector<HSTRING>> filter; | |
| 289 hr = picker->get_FileTypeFilter(filter.GetAddressOf()); | |
| 290 if (FAILED(hr)) | |
| 291 return hr; | |
| 292 | |
| 293 if (open_file_name_->lpstrFilter == NULL) { | |
| 294 hr = filter->Append(mswrw::HStringReference(L"*").Get()); | |
| 295 if (FAILED(hr)) | |
| 296 return hr; | |
| 297 } else { | |
| 298 // The filter is a concatenation of zero terminated string pairs, | |
| 299 // where each pair is {description, extension}. The concatenation ends | |
| 300 // with a zero length string - e.g. a double zero terminator. | |
| 301 const wchar_t* walk = open_file_name_->lpstrFilter; | |
| 302 while (*walk != L'\0') { | |
| 303 // Walk past the description. | |
| 304 walk += wcslen(walk) + 1; | |
| 305 | |
| 306 // We should have an extension, but bail on malformed filters. | |
| 307 if (*walk == L'\0') | |
| 308 break; | |
| 309 | |
| 310 // There can be a single extension, or a list of semicolon-separated ones. | |
| 311 std::vector<base::string16> extensions_win32_style = base::SplitString( | |
| 312 walk, L";", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); | |
| 313 | |
| 314 // Metro wants suffixes only, not patterns. | |
| 315 mswrw::HString extension; | |
| 316 for (size_t i = 0; i < extensions_win32_style.size(); ++i) { | |
| 317 if (extensions_win32_style[i] == L"*.*") { | |
| 318 // The wildcard filter is "*" for Metro. The string "*.*" produces | |
| 319 // an "invalid parameter" error. | |
| 320 hr = extension.Set(L"*"); | |
| 321 } else { | |
| 322 // Metro wants suffixes only, not patterns. | |
| 323 base::string16 ext = | |
| 324 base::FilePath(extensions_win32_style[i]).Extension(); | |
| 325 if ((ext.size() < 2) || | |
| 326 (ext.find_first_of(L"*?") != base::string16::npos)) { | |
| 327 continue; | |
| 328 } | |
| 329 hr = extension.Set(ext.c_str()); | |
| 330 } | |
| 331 if (SUCCEEDED(hr)) | |
| 332 hr = filter->Append(extension.Get()); | |
| 333 if (FAILED(hr)) | |
| 334 return hr; | |
| 335 } | |
| 336 | |
| 337 // Walk past the extension. | |
| 338 walk += wcslen(walk) + 1; | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 // Spin up a single or multi picker as appropriate. | |
| 343 if (open_file_name_->Flags & OFN_ALLOWMULTISELECT) { | |
| 344 mswr::ComPtr<MultiFileAsyncOp> completion; | |
| 345 hr = picker->PickMultipleFilesAsync(&completion); | |
| 346 if (FAILED(hr)) | |
| 347 return hr; | |
| 348 | |
| 349 // Create the callback method. | |
| 350 typedef winfoundtn::IAsyncOperationCompletedHandler< | |
| 351 StorageFileVectorCollection*> HandlerDoneType; | |
| 352 mswr::ComPtr<HandlerDoneType> handler(mswr::Callback<HandlerDoneType>( | |
| 353 this, &OpenFilePickerSession::MultiPickerDone)); | |
| 354 DCHECK(handler.Get() != NULL); | |
| 355 hr = completion->put_Completed(handler.Get()); | |
| 356 | |
| 357 return hr; | |
| 358 } else { | |
| 359 mswr::ComPtr<SingleFileAsyncOp> completion; | |
| 360 hr = picker->PickSingleFileAsync(&completion); | |
| 361 if (FAILED(hr)) | |
| 362 return hr; | |
| 363 | |
| 364 // Create the callback method. | |
| 365 typedef winfoundtn::IAsyncOperationCompletedHandler< | |
| 366 winstorage::StorageFile*> HandlerDoneType; | |
| 367 mswr::ComPtr<HandlerDoneType> handler(mswr::Callback<HandlerDoneType>( | |
| 368 this, &OpenFilePickerSession::SinglePickerDone)); | |
| 369 DCHECK(handler.Get() != NULL); | |
| 370 hr = completion->put_Completed(handler.Get()); | |
| 371 | |
| 372 return hr; | |
| 373 } | |
| 374 } | |
| 375 | |
| 376 HRESULT OpenFilePickerSession::ComposeMultiFileResult( | |
| 377 StorageFileVectorCollection* files, base::string16* result) { | |
| 378 DCHECK(files != NULL); | |
| 379 DCHECK(result != NULL); | |
| 380 | |
| 381 // Empty the output string. | |
| 382 result->clear(); | |
| 383 | |
| 384 unsigned int num_files = 0; | |
| 385 HRESULT hr = files->get_Size(&num_files); | |
| 386 if (FAILED(hr)) | |
| 387 return hr; | |
| 388 | |
| 389 // Make sure we return an error on an empty collection. | |
| 390 if (num_files == 0) { | |
| 391 DLOG(ERROR) << "Empty collection on input."; | |
| 392 return E_UNEXPECTED; | |
| 393 } | |
| 394 | |
| 395 // This stores the base path that should be the parent of all the files. | |
| 396 base::FilePath base_path; | |
| 397 | |
| 398 // Iterate through the collection and append the file paths to the result. | |
| 399 for (unsigned int i = 0; i < num_files; ++i) { | |
| 400 mswr::ComPtr<winstorage::IStorageFile> file; | |
| 401 hr = files->GetAt(i, file.GetAddressOf()); | |
| 402 if (FAILED(hr)) | |
| 403 return hr; | |
| 404 | |
| 405 mswr::ComPtr<winstorage::IStorageItem> storage_item; | |
| 406 hr = file.As(&storage_item); | |
| 407 if (FAILED(hr)) | |
| 408 return hr; | |
| 409 | |
| 410 mswrw::HString file_path_str; | |
| 411 hr = storage_item->get_Path(file_path_str.GetAddressOf()); | |
| 412 if (FAILED(hr)) | |
| 413 return hr; | |
| 414 | |
| 415 base::FilePath file_path(MakeStdWString(file_path_str.Get())); | |
| 416 if (base_path.empty()) { | |
| 417 DCHECK(result->empty()); | |
| 418 base_path = file_path.DirName(); | |
| 419 | |
| 420 // Append the path, including the terminating zero. | |
| 421 // We do this only for the first file. | |
| 422 result->append(base_path.value().c_str(), base_path.value().size() + 1); | |
| 423 } | |
| 424 DCHECK(!result->empty()); | |
| 425 DCHECK(!base_path.empty()); | |
| 426 DCHECK(base_path == file_path.DirName()); | |
| 427 | |
| 428 // Append the base name, including the terminating zero. | |
| 429 base::FilePath base_name = file_path.BaseName(); | |
| 430 result->append(base_name.value().c_str(), base_name.value().size() + 1); | |
| 431 } | |
| 432 | |
| 433 DCHECK(!result->empty()); | |
| 434 | |
| 435 return S_OK; | |
| 436 } | |
| 437 | |
| 438 SaveFilePickerSession::SaveFilePickerSession(OPENFILENAME* open_file_name) | |
| 439 : FilePickerSessionBase(open_file_name) { | |
| 440 } | |
| 441 | |
| 442 HRESULT SaveFilePickerSession::StartFilePicker() { | |
| 443 DCHECK(globals.appview_msg_loop->BelongsToCurrentThread()); | |
| 444 DCHECK(open_file_name_ != NULL); | |
| 445 | |
| 446 mswrw::HStringReference class_name( | |
| 447 RuntimeClass_Windows_Storage_Pickers_FileSavePicker); | |
| 448 | |
| 449 // Create the file picker. | |
| 450 mswr::ComPtr<winstorage::Pickers::IFileSavePicker> picker; | |
| 451 HRESULT hr = ::Windows::Foundation::ActivateInstance( | |
| 452 class_name.Get(), picker.GetAddressOf()); | |
| 453 CheckHR(hr); | |
| 454 | |
| 455 typedef winfoundtn::Collections::IMap<HSTRING, StringVectorItf*> | |
| 456 StringVectorMap; | |
| 457 mswr::ComPtr<StringVectorMap> choices; | |
| 458 hr = picker->get_FileTypeChoices(choices.GetAddressOf()); | |
| 459 if (FAILED(hr)) | |
| 460 return hr; | |
| 461 | |
| 462 if (open_file_name_->lpstrFilter) { | |
| 463 // The filter is a concatenation of zero terminated string pairs, | |
| 464 // where each pair is {description, extension list}. The concatenation ends | |
| 465 // with a zero length string - e.g. a double zero terminator. | |
| 466 const wchar_t* walk = open_file_name_->lpstrFilter; | |
| 467 while (*walk != L'\0') { | |
| 468 mswrw::HString description; | |
| 469 hr = description.Set(walk); | |
| 470 if (FAILED(hr)) | |
| 471 return hr; | |
| 472 | |
| 473 // Walk past the description. | |
| 474 walk += wcslen(walk) + 1; | |
| 475 | |
| 476 // We should have an extension, but bail on malformed filters. | |
| 477 if (*walk == L'\0') | |
| 478 break; | |
| 479 | |
| 480 // There can be a single extension, or a list of semicolon-separated ones. | |
| 481 std::vector<base::string16> extensions_win32_style = base::SplitString( | |
| 482 walk, L";", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY); | |
| 483 | |
| 484 // Metro wants suffixes only, not patterns. Also, metro does not support | |
| 485 // the all files ("*") pattern in the save picker. | |
| 486 std::vector<base::string16> extensions; | |
| 487 for (size_t i = 0; i < extensions_win32_style.size(); ++i) { | |
| 488 base::string16 ext = | |
| 489 base::FilePath(extensions_win32_style[i]).Extension(); | |
| 490 if ((ext.size() < 2) || | |
| 491 (ext.find_first_of(L"*?") != base::string16::npos)) | |
| 492 continue; | |
| 493 extensions.push_back(ext); | |
| 494 } | |
| 495 | |
| 496 if (!extensions.empty()) { | |
| 497 // Convert to a Metro collection class. | |
| 498 mswr::ComPtr<StringVectorItf> list; | |
| 499 hr = mswr::MakeAndInitialize<StringVectorImpl>( | |
| 500 list.GetAddressOf(), extensions); | |
| 501 if (FAILED(hr)) | |
| 502 return hr; | |
| 503 | |
| 504 // Finally set the filter. | |
| 505 boolean replaced = FALSE; | |
| 506 hr = choices->Insert(description.Get(), list.Get(), &replaced); | |
| 507 if (FAILED(hr)) | |
| 508 return hr; | |
| 509 DCHECK_EQ(FALSE, replaced); | |
| 510 } | |
| 511 | |
| 512 // Walk past the extension(s). | |
| 513 walk += wcslen(walk) + 1; | |
| 514 } | |
| 515 } | |
| 516 | |
| 517 // The save picker requires at least one choice. Callers are strongly advised | |
| 518 // to provide sensible choices. If none were given, fallback to .dat. | |
| 519 uint32_t num_choices = 0; | |
| 520 hr = choices->get_Size(&num_choices); | |
| 521 if (FAILED(hr)) | |
| 522 return hr; | |
| 523 | |
| 524 if (num_choices == 0) { | |
| 525 mswrw::HString description; | |
| 526 // TODO(grt): Get a properly translated string. This can't be done from | |
| 527 // within metro_driver. Consider preprocessing the filter list in Chrome | |
| 528 // land to ensure it has this entry if all others are patterns. In that | |
| 529 // case, this whole block of code can be removed. | |
| 530 hr = description.Set(L"Data File"); | |
| 531 if (FAILED(hr)) | |
| 532 return hr; | |
| 533 | |
| 534 mswr::ComPtr<StringVectorItf> list; | |
| 535 hr = mswr::MakeAndInitialize<StringVectorImpl>( | |
| 536 list.GetAddressOf(), std::vector<base::string16>(1, L".dat")); | |
| 537 if (FAILED(hr)) | |
| 538 return hr; | |
| 539 | |
| 540 boolean replaced = FALSE; | |
| 541 hr = choices->Insert(description.Get(), list.Get(), &replaced); | |
| 542 if (FAILED(hr)) | |
| 543 return hr; | |
| 544 DCHECK_EQ(FALSE, replaced); | |
| 545 } | |
| 546 | |
| 547 if (open_file_name_->lpstrFile != NULL) { | |
| 548 hr = picker->put_SuggestedFileName( | |
| 549 mswrw::HStringReference( | |
| 550 const_cast<const wchar_t*>(open_file_name_->lpstrFile)).Get()); | |
| 551 if (FAILED(hr)) | |
| 552 return hr; | |
| 553 } | |
| 554 | |
| 555 mswr::ComPtr<SaveFileAsyncOp> completion; | |
| 556 hr = picker->PickSaveFileAsync(&completion); | |
| 557 if (FAILED(hr)) | |
| 558 return hr; | |
| 559 | |
| 560 // Create the callback method. | |
| 561 typedef winfoundtn::IAsyncOperationCompletedHandler< | |
| 562 winstorage::StorageFile*> HandlerDoneType; | |
| 563 mswr::ComPtr<HandlerDoneType> handler(mswr::Callback<HandlerDoneType>( | |
| 564 this, &SaveFilePickerSession::FilePickerDone)); | |
| 565 DCHECK(handler.Get() != NULL); | |
| 566 hr = completion->put_Completed(handler.Get()); | |
| 567 | |
| 568 return hr; | |
| 569 } | |
| 570 | |
| 571 HRESULT SaveFilePickerSession::FilePickerDone(SaveFileAsyncOp* async, | |
| 572 AsyncStatus status) { | |
| 573 if (status == Completed) { | |
| 574 mswr::ComPtr<winstorage::IStorageFile> file; | |
| 575 HRESULT hr = async->GetResults(file.GetAddressOf()); | |
| 576 | |
| 577 if (file) { | |
| 578 mswr::ComPtr<winstorage::IStorageItem> storage_item; | |
| 579 if (SUCCEEDED(hr)) | |
| 580 hr = file.As(&storage_item); | |
| 581 | |
| 582 mswrw::HString file_path; | |
| 583 if (SUCCEEDED(hr)) | |
| 584 hr = storage_item->get_Path(file_path.GetAddressOf()); | |
| 585 | |
| 586 if (SUCCEEDED(hr)) { | |
| 587 base::string16 path_str = MakeStdWString(file_path.Get()); | |
| 588 | |
| 589 // If the selected file name is longer than the supplied buffer, | |
| 590 // we return false as per GetOpenFileName documentation. | |
| 591 if (path_str.size() < open_file_name_->nMaxFile) { | |
| 592 base::wcslcpy(open_file_name_->lpstrFile, | |
| 593 path_str.c_str(), | |
| 594 open_file_name_->nMaxFile); | |
| 595 success_ = true; | |
| 596 } | |
| 597 } | |
| 598 } else { | |
| 599 LOG(ERROR) << "NULL IStorageItem"; | |
| 600 } | |
| 601 } else { | |
| 602 LOG(ERROR) << "Unexpected async status " << static_cast<int>(status); | |
| 603 } | |
| 604 | |
| 605 event_.Signal(); | |
| 606 | |
| 607 return S_OK; | |
| 608 } | |
| 609 | |
| 610 } // namespace | |
| 611 | |
| 612 BOOL MetroGetOpenFileName(OPENFILENAME* open_file_name) { | |
| 613 OpenFilePickerSession session(open_file_name); | |
| 614 | |
| 615 return session.Run(); | |
| 616 } | |
| 617 | |
| 618 BOOL MetroGetSaveFileName(OPENFILENAME* open_file_name) { | |
| 619 SaveFilePickerSession session(open_file_name); | |
| 620 | |
| 621 return session.Run(); | |
| 622 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1605253002:
Reland of move remote tree host and some related input and metro_driver code (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@metro-mode-3