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.
5 #include "ui/shell_dialogs/select_file_dialog_win.h"
12 #include "base/bind.h"
13 #include "base/file_util.h"
14 #include "base/files/file_path.h"
15 #include "base/i18n/case_conversion.h"
16 #include "base/message_loop/message_loop.h"
17 #include "base/message_loop/message_loop_proxy.h"
18 #include "base/strings/string_split.h"
19 #include "base/strings/utf_string_conversions.h"
20 #include "base/threading/thread.h"
21 #include "base/win/metro.h"
22 #include "base/win/registry.h"
23 #include "base/win/scoped_comptr.h"
24 #include "base/win/shortcut.h"
25 #include "base/win/windows_version.h"
26 #include "grit/ui_strings.h"
27 #include "ui/aura/window.h"
28 #include "ui/aura/window_event_dispatcher.h"
29 #include "ui/aura/window_tree_host.h"
30 #include "ui/base/l10n/l10n_util.h"
31 #include "ui/base/win/open_file_name_win.h"
32 #include "ui/gfx/native_widget_types.h"
33 #include "ui/shell_dialogs/base_shell_dialog_win.h"
34 #include "ui/shell_dialogs/shell_dialogs_delegate.h"
35 #include "win8/viewer/metro_viewer_process_host.h"
39 bool CallBuiltinGetOpenFileName(OPENFILENAME* ofn) {
40 return ::GetOpenFileName(ofn) == TRUE;
43 // Given |extension|, if it's not empty, then remove the leading dot.
44 std::wstring GetExtensionWithoutLeadingDot(const std::wstring& extension) {
45 DCHECK(extension.empty() || extension[0] == L'.');
46 return extension.empty() ? extension : extension.substr(1);
49 // Diverts to a metro-specific implementation as appropriate.
50 bool CallGetSaveFileName(OPENFILENAME* ofn) {
51 HMODULE metro_module = base::win::GetMetroModule();
52 if (metro_module != NULL) {
53 typedef BOOL (*MetroGetSaveFileName)(OPENFILENAME*);
54 MetroGetSaveFileName metro_get_save_file_name =
55 reinterpret_cast<MetroGetSaveFileName>(
56 ::GetProcAddress(metro_module, "MetroGetSaveFileName"));
57 if (metro_get_save_file_name == NULL) {
62 return metro_get_save_file_name(ofn) == TRUE;
64 return GetSaveFileName(ofn) == TRUE;
68 // Distinguish directories from regular files.
69 bool IsDirectory(const base::FilePath& path) {
70 base::File::Info file_info;
71 return base::GetFileInfo(path, &file_info) ?
72 file_info.is_directory : path.EndsWithSeparator();
75 // Get the file type description from the registry. This will be "Text Document"
76 // for .txt files, "JPEG Image" for .jpg files, etc. If the registry doesn't
77 // have an entry for the file type, we return false, true if the description was
78 // found. 'file_ext' must be in form ".txt".
79 static bool GetRegistryDescriptionFromExtension(const std::wstring& file_ext,
80 std::wstring* reg_description) {
81 DCHECK(reg_description);
82 base::win::RegKey reg_ext(HKEY_CLASSES_ROOT, file_ext.c_str(), KEY_READ);
84 if (reg_ext.ReadValue(NULL, ®_app) == ERROR_SUCCESS && !reg_app.empty()) {
85 base::win::RegKey reg_link(HKEY_CLASSES_ROOT, reg_app.c_str(), KEY_READ);
86 if (reg_link.ReadValue(NULL, reg_description) == ERROR_SUCCESS)
92 // Set up a filter for a Save/Open dialog, which will consist of |file_ext| file
93 // extensions (internally separated by semicolons), |ext_desc| as the text
94 // descriptions of the |file_ext| types (optional), and (optionally) the default
95 // 'All Files' view. The purpose of the filter is to show only files of a
96 // particular type in a Windows Save/Open dialog box. The resulting filter is
97 // returned. The filters created here are:
98 // 1. only files that have 'file_ext' as their extension
99 // 2. all files (only added if 'include_all_files' is true)
101 // file_ext: { "*.txt", "*.htm;*.html" }
102 // ext_desc: { "Text Document" }
103 // returned: "Text Document\0*.txt\0HTML Document\0*.htm;*.html\0"
104 // "All Files\0*.*\0\0" (in one big string)
105 // If a description is not provided for a file extension, it will be retrieved
106 // from the registry. If the file extension does not exist in the registry, it
107 // will be omitted from the filter, as it is likely a bogus extension.
108 std::wstring FormatFilterForExtensions(
109 const std::vector<std::wstring>& file_ext,
110 const std::vector<std::wstring>& ext_desc,
111 bool include_all_files) {
112 const std::wstring all_ext = L"*.*";
113 const std::wstring all_desc =
114 l10n_util::GetStringUTF16(IDS_APP_SAVEAS_ALL_FILES);
116 DCHECK(file_ext.size() >= ext_desc.size());
118 if (file_ext.empty())
119 include_all_files = true;
123 for (size_t i = 0; i < file_ext.size(); ++i) {
124 std::wstring ext = file_ext[i];
126 if (i < ext_desc.size())
130 // Force something reasonable to appear in the dialog box if there is no
131 // extension provided.
132 include_all_files = true;
137 DCHECK(ext.find(L'.') != std::wstring::npos);
138 std::wstring first_extension = ext.substr(ext.find(L'.'));
139 size_t first_separator_index = first_extension.find(L';');
140 if (first_separator_index != std::wstring::npos)
141 first_extension = first_extension.substr(0, first_separator_index);
143 // Find the extension name without the preceeding '.' character.
144 std::wstring ext_name = first_extension;
145 size_t ext_index = ext_name.find_first_not_of(L'.');
146 if (ext_index != std::wstring::npos)
147 ext_name = ext_name.substr(ext_index);
149 if (!GetRegistryDescriptionFromExtension(first_extension, &desc)) {
150 // The extension doesn't exist in the registry. Create a description
151 // based on the unknown extension type (i.e. if the extension is .qqq,
152 // the we create a description "QQQ File (.qqq)").
153 include_all_files = true;
154 desc = l10n_util::GetStringFUTF16(
155 IDS_APP_SAVEAS_EXTENSION_FORMAT,
156 base::i18n::ToUpper(base::WideToUTF16(ext_name)),
160 desc = L"*." + ext_name;
163 result.append(desc.c_str(), desc.size() + 1); // Append NULL too.
164 result.append(ext.c_str(), ext.size() + 1);
167 if (include_all_files) {
168 result.append(all_desc.c_str(), all_desc.size() + 1);
169 result.append(all_ext.c_str(), all_ext.size() + 1);
172 result.append(1, '\0'); // Double NULL required.
176 // Enforce visible dialog box.
177 UINT_PTR CALLBACK SaveAsDialogHook(HWND dialog, UINT message,
178 WPARAM wparam, LPARAM lparam) {
179 static const UINT kPrivateMessage = 0x2F3F;
181 case WM_INITDIALOG: {
182 // Do nothing here. Just post a message to defer actual processing.
183 PostMessage(dialog, kPrivateMessage, 0, 0);
186 case kPrivateMessage: {
187 // The dialog box is the parent of the current handle.
188 HWND real_dialog = GetParent(dialog);
190 // Retrieve the final size.
192 GetWindowRect(real_dialog, &dialog_rect);
194 // Verify that the upper left corner is visible.
195 POINT point = { dialog_rect.left, dialog_rect.top };
196 HMONITOR monitor1 = MonitorFromPoint(point, MONITOR_DEFAULTTONULL);
197 point.x = dialog_rect.right;
198 point.y = dialog_rect.bottom;
200 // Verify that the lower right corner is visible.
201 HMONITOR monitor2 = MonitorFromPoint(point, MONITOR_DEFAULTTONULL);
202 if (monitor1 && monitor2)
205 // Some part of the dialog box is not visible, fix it by moving is to the
206 // client rect position of the browser window.
207 HWND parent_window = GetParent(real_dialog);
210 WINDOWINFO parent_info;
211 parent_info.cbSize = sizeof(WINDOWINFO);
212 GetWindowInfo(parent_window, &parent_info);
213 SetWindowPos(real_dialog, NULL,
214 parent_info.rcClient.left,
215 parent_info.rcClient.top,
217 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE |
226 // Prompt the user for location to save a file.
227 // Callers should provide the filter string, and also a filter index.
228 // The parameter |index| indicates the initial index of filter description
229 // and filter pattern for the dialog box. If |index| is zero or greater than
230 // the number of total filter types, the system uses the first filter in the
231 // |filter| buffer. |index| is used to specify the initial selected extension,
232 // and when done contains the extension the user chose. The parameter
233 // |final_name| returns the file name which contains the drive designator,
234 // path, file name, and extension of the user selected file name. |def_ext| is
235 // the default extension to give to the file if the user did not enter an
236 // extension. If |ignore_suggested_ext| is true, any file extension contained in
237 // |suggested_name| will not be used to generate the file name. This is useful
238 // in the case of saving web pages, where we know the extension type already and
239 // where |suggested_name| may contain a '.' character as a valid part of the
240 // name, thus confusing our extension detection code.
241 bool SaveFileAsWithFilter(HWND owner,
242 const std::wstring& suggested_name,
243 const std::wstring& filter,
244 const std::wstring& def_ext,
245 bool ignore_suggested_ext,
247 std::wstring* final_name) {
249 // Having an empty filter makes for a bad user experience. We should always
250 // specify a filter when saving.
251 DCHECK(!filter.empty());
252 const base::FilePath suggested_path(suggested_name);
253 std::wstring file_part = suggested_path.BaseName().value();
254 // If the suggested_name is a root directory, file_part will be '\', and the
255 // call to GetSaveFileName below will fail.
256 if (file_part.size() == 1 && file_part[0] == L'\\')
259 // The size of the in/out buffer in number of characters we pass to win32
260 // GetSaveFileName. From MSDN "The buffer must be large enough to store the
261 // path and file name string or strings, including the terminating NULL
262 // character. ... The buffer should be at least 256 characters long.".
263 // _IsValidPathComDlg does a copy expecting at most MAX_PATH, otherwise will
264 // result in an error of FNERR_INVALIDFILENAME. So we should only pass the
265 // API a buffer of at most MAX_PATH.
266 wchar_t file_name[MAX_PATH];
267 base::wcslcpy(file_name, file_part.c_str(), arraysize(file_name));
269 OPENFILENAME save_as;
270 // We must do this otherwise the ofn's FlagsEx may be initialized to random
271 // junk in release builds which can cause the Places Bar not to show up!
272 ZeroMemory(&save_as, sizeof(save_as));
273 save_as.lStructSize = sizeof(OPENFILENAME);
274 save_as.hwndOwner = owner;
275 save_as.hInstance = NULL;
277 save_as.lpstrFilter = filter.empty() ? NULL : filter.c_str();
279 save_as.lpstrCustomFilter = NULL;
280 save_as.nMaxCustFilter = 0;
281 save_as.nFilterIndex = *index;
282 save_as.lpstrFile = file_name;
283 save_as.nMaxFile = arraysize(file_name);
284 save_as.lpstrFileTitle = NULL;
285 save_as.nMaxFileTitle = 0;
287 // Set up the initial directory for the dialog.
288 std::wstring directory;
289 if (!suggested_name.empty()) {
290 if (IsDirectory(suggested_path)) {
291 directory = suggested_path.value();
294 directory = suggested_path.DirName().value();
298 save_as.lpstrInitialDir = directory.c_str();
299 save_as.lpstrTitle = NULL;
300 save_as.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER | OFN_ENABLESIZING |
301 OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST;
302 save_as.lpstrDefExt = &def_ext[0];
303 save_as.lCustData = NULL;
305 if (base::win::GetVersion() < base::win::VERSION_VISTA) {
306 // The save as on Windows XP remembers its last position,
307 // and if the screen resolution changed, it will be off screen.
308 save_as.Flags |= OFN_ENABLEHOOK;
309 save_as.lpfnHook = &SaveAsDialogHook;
312 // Must be NULL or 0.
313 save_as.pvReserved = NULL;
314 save_as.dwReserved = 0;
316 if (!CallGetSaveFileName(&save_as)) {
317 // Zero means the dialog was closed, otherwise we had an error.
318 DWORD error_code = CommDlgExtendedError();
319 if (error_code != 0) {
320 NOTREACHED() << "GetSaveFileName failed with code: " << error_code;
325 // Return the user's choice.
326 final_name->assign(save_as.lpstrFile);
327 *index = save_as.nFilterIndex;
329 // Figure out what filter got selected from the vector with embedded nulls.
330 // NOTE: The filter contains a string with embedded nulls, such as:
331 // JPG Image\0*.jpg\0All files\0*.*\0\0
332 // The filter index is 1-based index for which pair got selected. So, using
333 // the example above, if the first index was selected we need to skip 1
334 // instance of null to get to "*.jpg".
335 std::vector<std::wstring> filters;
336 if (!filter.empty() && save_as.nFilterIndex > 0)
337 base::SplitString(filter, '\0', &filters);
338 std::wstring filter_selected;
339 if (!filters.empty())
340 filter_selected = filters[(2 * (save_as.nFilterIndex - 1)) + 1];
342 // Get the extension that was suggested to the user (when the Save As dialog
343 // was opened). For saving web pages, we skip this step since there may be
344 // 'extension characters' in the title of the web page.
345 std::wstring suggested_ext;
346 if (!ignore_suggested_ext)
347 suggested_ext = GetExtensionWithoutLeadingDot(suggested_path.Extension());
349 // If we can't get the extension from the suggested_name, we use the default
350 // extension passed in. This is to cover cases like when saving a web page,
351 // where we get passed in a name without an extension and a default extension
353 if (suggested_ext.empty())
354 suggested_ext = def_ext;
357 ui::AppendExtensionIfNeeded(*final_name, filter_selected, suggested_ext);
361 // Implementation of SelectFileDialog that shows a Windows common dialog for
362 // choosing a file or folder.
363 class SelectFileDialogImpl : public ui::SelectFileDialog,
364 public ui::BaseShellDialogImpl {
366 SelectFileDialogImpl(
368 ui::SelectFilePolicy* policy,
369 const base::Callback<bool(OPENFILENAME*)>& get_open_file_name_impl);
371 // BaseShellDialog implementation:
372 virtual bool IsRunning(gfx::NativeWindow owning_window) const OVERRIDE;
373 virtual void ListenerDestroyed() OVERRIDE;
376 // SelectFileDialog implementation:
377 virtual void SelectFileImpl(
379 const base::string16& title,
380 const base::FilePath& default_path,
381 const FileTypeInfo* file_types,
383 const base::FilePath::StringType& default_extension,
384 gfx::NativeWindow owning_window,
385 void* params) OVERRIDE;
388 virtual ~SelectFileDialogImpl();
390 // A struct for holding all the state necessary for displaying a Save dialog.
391 struct ExecuteSelectParams {
392 ExecuteSelectParams(Type type,
393 const std::wstring& title,
394 const base::FilePath& default_path,
395 const FileTypeInfo* file_types,
397 const std::wstring& default_extension,
403 default_path(default_path),
404 file_type_index(file_type_index),
405 default_extension(default_extension),
406 run_state(run_state),
407 ui_proxy(base::MessageLoopForUI::current()->message_loop_proxy()),
411 this->file_types = *file_types;
413 SelectFileDialog::Type type;
415 base::FilePath default_path;
416 FileTypeInfo file_types;
418 std::wstring default_extension;
420 scoped_refptr<base::MessageLoopProxy> ui_proxy;
425 // Shows the file selection dialog modal to |owner| and calls the result
426 // back on the ui thread. Run on the dialog thread.
427 void ExecuteSelectFile(const ExecuteSelectParams& params);
429 // Notifies the listener that a folder was chosen. Run on the ui thread.
430 void FileSelected(const base::FilePath& path, int index,
431 void* params, RunState run_state);
433 // Notifies listener that multiple files were chosen. Run on the ui thread.
434 void MultiFilesSelected(const std::vector<base::FilePath>& paths,
438 // Notifies the listener that no file was chosen (the action was canceled).
439 // Run on the ui thread.
440 void FileNotSelected(void* params, RunState run_state);
442 // Runs a Folder selection dialog box, passes back the selected folder in
443 // |path| and returns true if the user clicks OK. If the user cancels the
444 // dialog box the value in |path| is not modified and returns false. |title|
445 // is the user-supplied title text to show for the dialog box. Run on the
447 bool RunSelectFolderDialog(const std::wstring& title,
449 base::FilePath* path);
451 // Runs an Open file dialog box, with similar semantics for input paramaters
452 // as RunSelectFolderDialog.
453 bool RunOpenFileDialog(const std::wstring& title,
454 const std::wstring& filters,
456 base::FilePath* path);
458 // Runs an Open file dialog box that supports multi-select, with similar
459 // semantics for input paramaters as RunOpenFileDialog.
460 bool RunOpenMultiFileDialog(const std::wstring& title,
461 const std::wstring& filter,
463 std::vector<base::FilePath>* paths);
465 // The callback function for when the select folder dialog is opened.
466 static int CALLBACK BrowseCallbackProc(HWND window, UINT message,
470 virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE;
472 // Returns the filter to be used while displaying the open/save file dialog.
473 // This is computed from the extensions for the file types being opened.
474 // |file_types| can be NULL in which case the returned filter will be empty.
475 base::string16 GetFilterForFileTypes(const FileTypeInfo* file_types);
477 bool has_multiple_file_type_choices_;
478 base::Callback<bool(OPENFILENAME*)> get_open_file_name_impl_;
480 DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
483 SelectFileDialogImpl::SelectFileDialogImpl(
485 ui::SelectFilePolicy* policy,
486 const base::Callback<bool(OPENFILENAME*)>& get_open_file_name_impl)
487 : SelectFileDialog(listener, policy),
488 BaseShellDialogImpl(),
489 has_multiple_file_type_choices_(false),
490 get_open_file_name_impl_(get_open_file_name_impl) {
493 SelectFileDialogImpl::~SelectFileDialogImpl() {
496 void SelectFileDialogImpl::SelectFileImpl(
498 const base::string16& title,
499 const base::FilePath& default_path,
500 const FileTypeInfo* file_types,
502 const base::FilePath::StringType& default_extension,
503 gfx::NativeWindow owning_window,
505 has_multiple_file_type_choices_ =
506 file_types ? file_types->extensions.size() > 1 : true;
507 // If the owning_window passed in is in metro then we need to forward the
508 // file open/save operations to metro.
509 if (GetShellDialogsDelegate() &&
510 GetShellDialogsDelegate()->IsWindowInMetro(owning_window)) {
511 if (type == SELECT_SAVEAS_FILE) {
512 win8::MetroViewerProcessHost::HandleSaveFile(
515 GetFilterForFileTypes(file_types),
518 base::Bind(&ui::SelectFileDialog::Listener::FileSelected,
519 base::Unretained(listener_)),
520 base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled,
521 base::Unretained(listener_)));
523 } else if (type == SELECT_OPEN_FILE) {
524 win8::MetroViewerProcessHost::HandleOpenFile(
527 GetFilterForFileTypes(file_types),
528 base::Bind(&ui::SelectFileDialog::Listener::FileSelected,
529 base::Unretained(listener_)),
530 base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled,
531 base::Unretained(listener_)));
533 } else if (type == SELECT_OPEN_MULTI_FILE) {
534 win8::MetroViewerProcessHost::HandleOpenMultipleFiles(
537 GetFilterForFileTypes(file_types),
538 base::Bind(&ui::SelectFileDialog::Listener::MultiFilesSelected,
539 base::Unretained(listener_)),
540 base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled,
541 base::Unretained(listener_)));
543 } else if (type == SELECT_FOLDER || type == SELECT_UPLOAD_FOLDER) {
544 base::string16 title_string = title;
545 if (type == SELECT_UPLOAD_FOLDER && title_string.empty()) {
546 // If it's for uploading don't use default dialog title to
547 // make sure we clearly tell it's for uploading.
548 title_string = l10n_util::GetStringUTF16(
549 IDS_SELECT_UPLOAD_FOLDER_DIALOG_TITLE);
551 win8::MetroViewerProcessHost::HandleSelectFolder(
553 base::Bind(&ui::SelectFileDialog::Listener::FileSelected,
554 base::Unretained(listener_)),
555 base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled,
556 base::Unretained(listener_)));
560 HWND owner = owning_window && owning_window->GetRootWindow()
561 ? owning_window->GetHost()->GetAcceleratedWidget() : NULL;
563 ExecuteSelectParams execute_params(type, title,
564 default_path, file_types, file_type_index,
565 default_extension, BeginRun(owner),
567 execute_params.run_state.dialog_thread->message_loop()->PostTask(
569 base::Bind(&SelectFileDialogImpl::ExecuteSelectFile, this,
573 bool SelectFileDialogImpl::HasMultipleFileTypeChoicesImpl() {
574 return has_multiple_file_type_choices_;
577 bool SelectFileDialogImpl::IsRunning(gfx::NativeWindow owning_window) const {
578 if (!owning_window->GetRootWindow())
580 HWND owner = owning_window->GetHost()->GetAcceleratedWidget();
581 return listener_ && IsRunningDialogForOwner(owner);
584 void SelectFileDialogImpl::ListenerDestroyed() {
585 // Our associated listener has gone away, so we shouldn't call back to it if
586 // our worker thread returns after the listener is dead.
590 void SelectFileDialogImpl::ExecuteSelectFile(
591 const ExecuteSelectParams& params) {
592 base::string16 filter = GetFilterForFileTypes(¶ms.file_types);
594 base::FilePath path = params.default_path;
595 bool success = false;
596 unsigned filter_index = params.file_type_index;
597 if (params.type == SELECT_FOLDER || params.type == SELECT_UPLOAD_FOLDER) {
598 std::wstring title = params.title;
599 if (title.empty() && params.type == SELECT_UPLOAD_FOLDER) {
600 // If it's for uploading don't use default dialog title to
601 // make sure we clearly tell it's for uploading.
602 title = l10n_util::GetStringUTF16(IDS_SELECT_UPLOAD_FOLDER_DIALOG_TITLE);
604 success = RunSelectFolderDialog(title,
605 params.run_state.owner,
607 } else if (params.type == SELECT_SAVEAS_FILE) {
608 std::wstring path_as_wstring = path.value();
609 success = SaveFileAsWithFilter(params.run_state.owner,
610 params.default_path.value(), filter,
611 params.default_extension, false, &filter_index, &path_as_wstring);
613 path = base::FilePath(path_as_wstring);
614 DisableOwner(params.run_state.owner);
615 } else if (params.type == SELECT_OPEN_FILE) {
616 success = RunOpenFileDialog(params.title, filter,
617 params.run_state.owner, &path);
618 } else if (params.type == SELECT_OPEN_MULTI_FILE) {
619 std::vector<base::FilePath> paths;
620 if (RunOpenMultiFileDialog(params.title, filter,
621 params.run_state.owner, &paths)) {
622 params.ui_proxy->PostTask(
624 base::Bind(&SelectFileDialogImpl::MultiFilesSelected, this, paths,
625 params.params, params.run_state));
631 params.ui_proxy->PostTask(
633 base::Bind(&SelectFileDialogImpl::FileSelected, this, path,
634 filter_index, params.params, params.run_state));
636 params.ui_proxy->PostTask(
638 base::Bind(&SelectFileDialogImpl::FileNotSelected, this, params.params,
643 void SelectFileDialogImpl::FileSelected(const base::FilePath& selected_folder,
646 RunState run_state) {
648 listener_->FileSelected(selected_folder, index, params);
652 void SelectFileDialogImpl::MultiFilesSelected(
653 const std::vector<base::FilePath>& selected_files,
655 RunState run_state) {
657 listener_->MultiFilesSelected(selected_files, params);
661 void SelectFileDialogImpl::FileNotSelected(void* params, RunState run_state) {
663 listener_->FileSelectionCanceled(params);
667 int CALLBACK SelectFileDialogImpl::BrowseCallbackProc(HWND window,
671 if (message == BFFM_INITIALIZED) {
672 // WParam is TRUE since passing a path.
673 // data lParam member of the BROWSEINFO structure.
674 SendMessage(window, BFFM_SETSELECTION, TRUE, (LPARAM)data);
679 bool SelectFileDialogImpl::RunSelectFolderDialog(const std::wstring& title,
681 base::FilePath* path) {
684 wchar_t dir_buffer[MAX_PATH + 1];
687 BROWSEINFO browse_info = {0};
688 browse_info.hwndOwner = owner;
689 browse_info.lpszTitle = title.c_str();
690 browse_info.pszDisplayName = dir_buffer;
691 browse_info.ulFlags = BIF_USENEWUI | BIF_RETURNONLYFSDIRS;
693 if (path->value().length()) {
694 // Highlight the current value.
695 browse_info.lParam = (LPARAM)path->value().c_str();
696 browse_info.lpfn = &BrowseCallbackProc;
699 LPITEMIDLIST list = SHBrowseForFolder(&browse_info);
702 STRRET out_dir_buffer;
703 ZeroMemory(&out_dir_buffer, sizeof(out_dir_buffer));
704 out_dir_buffer.uType = STRRET_WSTR;
705 base::win::ScopedComPtr<IShellFolder> shell_folder;
706 if (SHGetDesktopFolder(shell_folder.Receive()) == NOERROR) {
707 HRESULT hr = shell_folder->GetDisplayNameOf(list, SHGDN_FORPARSING,
709 if (SUCCEEDED(hr) && out_dir_buffer.uType == STRRET_WSTR) {
710 *path = base::FilePath(out_dir_buffer.pOleStr);
711 CoTaskMemFree(out_dir_buffer.pOleStr);
714 // Use old way if we don't get what we want.
715 wchar_t old_out_dir_buffer[MAX_PATH + 1];
716 if (SHGetPathFromIDList(list, old_out_dir_buffer)) {
717 *path = base::FilePath(old_out_dir_buffer);
722 // According to MSDN, win2000 will not resolve shortcuts, so we do it
724 base::win::ResolveShortcut(*path, path, NULL);
731 bool SelectFileDialogImpl::RunOpenFileDialog(
732 const std::wstring& title,
733 const std::wstring& filter,
735 base::FilePath* path) {
736 // We use OFN_NOCHANGEDIR so that the user can rename or delete the directory
737 // without having to close Chrome first.
738 ui::win::OpenFileName ofn(owner, OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR);
739 if (!path->empty()) {
740 if (IsDirectory(*path))
741 ofn.SetInitialSelection(*path, base::FilePath());
743 ofn.SetInitialSelection(path->DirName(), path->BaseName());
747 ofn.GetOPENFILENAME()->lpstrFilter = filter.c_str();
749 bool success = get_open_file_name_impl_.Run(ofn.GetOPENFILENAME());
752 *path = ofn.GetSingleResult();
756 bool SelectFileDialogImpl::RunOpenMultiFileDialog(
757 const std::wstring& title,
758 const std::wstring& filter,
760 std::vector<base::FilePath>* paths) {
761 // We use OFN_NOCHANGEDIR so that the user can rename or delete the directory
762 // without having to close Chrome first.
763 ui::win::OpenFileName ofn(owner,
764 OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST |
765 OFN_EXPLORER | OFN_HIDEREADONLY |
766 OFN_ALLOWMULTISELECT | OFN_NOCHANGEDIR);
769 ofn.GetOPENFILENAME()->lpstrFilter = filter.c_str();
771 base::FilePath directory;
772 std::vector<base::FilePath> filenames;
774 if (get_open_file_name_impl_.Run(ofn.GetOPENFILENAME()))
775 ofn.GetResult(&directory, &filenames);
779 for (std::vector<base::FilePath>::iterator it = filenames.begin();
780 it != filenames.end();
782 paths->push_back(directory.Append(*it));
785 return !paths->empty();
788 base::string16 SelectFileDialogImpl::GetFilterForFileTypes(
789 const FileTypeInfo* file_types) {
791 return base::string16();
793 std::vector<base::string16> exts;
794 for (size_t i = 0; i < file_types->extensions.size(); ++i) {
795 const std::vector<base::string16>& inner_exts = file_types->extensions[i];
796 base::string16 ext_string;
797 for (size_t j = 0; j < inner_exts.size(); ++j) {
798 if (!ext_string.empty())
799 ext_string.push_back(L';');
800 ext_string.append(L"*.");
801 ext_string.append(inner_exts[j]);
803 exts.push_back(ext_string);
805 return FormatFilterForExtensions(
807 file_types->extension_description_overrides,
808 file_types->include_all_files);
815 // This function takes the output of a SaveAs dialog: a filename, a filter and
816 // the extension originally suggested to the user (shown in the dialog box) and
817 // returns back the filename with the appropriate extension tacked on. If the
818 // user requests an unknown extension and is not using the 'All files' filter,
819 // the suggested extension will be appended, otherwise we will leave the
820 // filename unmodified. |filename| should contain the filename selected in the
821 // SaveAs dialog box and may include the path, |filter_selected| should be
822 // '*.something', for example '*.*' or it can be blank (which is treated as
823 // *.*). |suggested_ext| should contain the extension without the dot (.) in
824 // front, for example 'jpg'.
825 std::wstring AppendExtensionIfNeeded(
826 const std::wstring& filename,
827 const std::wstring& filter_selected,
828 const std::wstring& suggested_ext) {
829 DCHECK(!filename.empty());
830 std::wstring return_value = filename;
832 // If we wanted a specific extension, but the user's filename deleted it or
833 // changed it to something that the system doesn't understand, re-append.
834 // Careful: Checking net::GetMimeTypeFromExtension() will only find
835 // extensions with a known MIME type, which many "known" extensions on Windows
836 // don't have. So we check directly for the "known extension" registry key.
837 std::wstring file_extension(
838 GetExtensionWithoutLeadingDot(base::FilePath(filename).Extension()));
839 std::wstring key(L"." + file_extension);
840 if (!(filter_selected.empty() || filter_selected == L"*.*") &&
841 !base::win::RegKey(HKEY_CLASSES_ROOT, key.c_str(), KEY_READ).Valid() &&
842 file_extension != suggested_ext) {
843 if (return_value[return_value.length() - 1] != L'.')
844 return_value.append(L".");
845 return_value.append(suggested_ext);
848 // Strip any trailing dots, which Windows doesn't allow.
849 size_t index = return_value.find_last_not_of(L'.');
850 if (index < return_value.size() - 1)
851 return_value.resize(index + 1);
856 SelectFileDialog* CreateWinSelectFileDialog(
857 SelectFileDialog::Listener* listener,
858 SelectFilePolicy* policy,
859 const base::Callback<bool(OPENFILENAME* ofn)>& get_open_file_name_impl) {
860 return new SelectFileDialogImpl(listener, policy, get_open_file_name_impl);
863 SelectFileDialog* CreateDefaultWinSelectFileDialog(
864 SelectFileDialog::Listener* listener,
865 SelectFilePolicy* policy) {
866 return CreateWinSelectFileDialog(
867 listener, policy, base::Bind(&CallBuiltinGetOpenFileName));