| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/shell_dialogs/select_file_dialog_win.h" |
| |
| #include <windows.h> |
| #include <commdlg.h> |
| #include <shlobj.h> |
| |
| #include <algorithm> |
| #include <set> |
| |
| #include "base/bind.h" |
| #include "base/file_util.h" |
| #include "base/files/file_path.h" |
| #include "base/i18n/case_conversion.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/message_loop/message_loop_proxy.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/threading/thread.h" |
| #include "base/win/metro.h" |
| #include "base/win/registry.h" |
| #include "base/win/scoped_comptr.h" |
| #include "base/win/shortcut.h" |
| #include "base/win/windows_version.h" |
| #include "grit/ui_strings.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_event_dispatcher.h" |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/shell_dialogs/base_shell_dialog_win.h" |
| #include "ui/shell_dialogs/shell_dialogs_delegate.h" |
| #include "win8/viewer/metro_viewer_process_host.h" |
| |
| namespace { |
| |
| // Given |extension|, if it's not empty, then remove the leading dot. |
| std::wstring GetExtensionWithoutLeadingDot(const std::wstring& extension) { |
| DCHECK(extension.empty() || extension[0] == L'.'); |
| return extension.empty() ? extension : extension.substr(1); |
| } |
| |
| // Diverts to a metro-specific implementation as appropriate. |
| bool CallGetOpenFileName(OPENFILENAME* ofn) { |
| HMODULE metro_module = base::win::GetMetroModule(); |
| if (metro_module != NULL) { |
| typedef BOOL (*MetroGetOpenFileName)(OPENFILENAME*); |
| MetroGetOpenFileName metro_get_open_file_name = |
| reinterpret_cast<MetroGetOpenFileName>( |
| ::GetProcAddress(metro_module, "MetroGetOpenFileName")); |
| if (metro_get_open_file_name == NULL) { |
| NOTREACHED(); |
| return false; |
| } |
| |
| return metro_get_open_file_name(ofn) == TRUE; |
| } else { |
| return GetOpenFileName(ofn) == TRUE; |
| } |
| } |
| |
| // Diverts to a metro-specific implementation as appropriate. |
| bool CallGetSaveFileName(OPENFILENAME* ofn) { |
| HMODULE metro_module = base::win::GetMetroModule(); |
| if (metro_module != NULL) { |
| typedef BOOL (*MetroGetSaveFileName)(OPENFILENAME*); |
| MetroGetSaveFileName metro_get_save_file_name = |
| reinterpret_cast<MetroGetSaveFileName>( |
| ::GetProcAddress(metro_module, "MetroGetSaveFileName")); |
| if (metro_get_save_file_name == NULL) { |
| NOTREACHED(); |
| return false; |
| } |
| |
| return metro_get_save_file_name(ofn) == TRUE; |
| } else { |
| return GetSaveFileName(ofn) == TRUE; |
| } |
| } |
| |
| // Distinguish directories from regular files. |
| bool IsDirectory(const base::FilePath& path) { |
| base::File::Info file_info; |
| return base::GetFileInfo(path, &file_info) ? |
| file_info.is_directory : path.EndsWithSeparator(); |
| } |
| |
| // Get the file type description from the registry. This will be "Text Document" |
| // for .txt files, "JPEG Image" for .jpg files, etc. If the registry doesn't |
| // have an entry for the file type, we return false, true if the description was |
| // found. 'file_ext' must be in form ".txt". |
| static bool GetRegistryDescriptionFromExtension(const std::wstring& file_ext, |
| std::wstring* reg_description) { |
| DCHECK(reg_description); |
| base::win::RegKey reg_ext(HKEY_CLASSES_ROOT, file_ext.c_str(), KEY_READ); |
| std::wstring reg_app; |
| if (reg_ext.ReadValue(NULL, ®_app) == ERROR_SUCCESS && !reg_app.empty()) { |
| base::win::RegKey reg_link(HKEY_CLASSES_ROOT, reg_app.c_str(), KEY_READ); |
| if (reg_link.ReadValue(NULL, reg_description) == ERROR_SUCCESS) |
| return true; |
| } |
| return false; |
| } |
| |
| // Set up a filter for a Save/Open dialog, which will consist of |file_ext| file |
| // extensions (internally separated by semicolons), |ext_desc| as the text |
| // descriptions of the |file_ext| types (optional), and (optionally) the default |
| // 'All Files' view. The purpose of the filter is to show only files of a |
| // particular type in a Windows Save/Open dialog box. The resulting filter is |
| // returned. The filters created here are: |
| // 1. only files that have 'file_ext' as their extension |
| // 2. all files (only added if 'include_all_files' is true) |
| // Example: |
| // file_ext: { "*.txt", "*.htm;*.html" } |
| // ext_desc: { "Text Document" } |
| // returned: "Text Document\0*.txt\0HTML Document\0*.htm;*.html\0" |
| // "All Files\0*.*\0\0" (in one big string) |
| // If a description is not provided for a file extension, it will be retrieved |
| // from the registry. If the file extension does not exist in the registry, it |
| // will be omitted from the filter, as it is likely a bogus extension. |
| std::wstring FormatFilterForExtensions( |
| const std::vector<std::wstring>& file_ext, |
| const std::vector<std::wstring>& ext_desc, |
| bool include_all_files) { |
| const std::wstring all_ext = L"*.*"; |
| const std::wstring all_desc = |
| l10n_util::GetStringUTF16(IDS_APP_SAVEAS_ALL_FILES); |
| |
| DCHECK(file_ext.size() >= ext_desc.size()); |
| |
| if (file_ext.empty()) |
| include_all_files = true; |
| |
| std::wstring result; |
| |
| for (size_t i = 0; i < file_ext.size(); ++i) { |
| std::wstring ext = file_ext[i]; |
| std::wstring desc; |
| if (i < ext_desc.size()) |
| desc = ext_desc[i]; |
| |
| if (ext.empty()) { |
| // Force something reasonable to appear in the dialog box if there is no |
| // extension provided. |
| include_all_files = true; |
| continue; |
| } |
| |
| if (desc.empty()) { |
| DCHECK(ext.find(L'.') != std::wstring::npos); |
| std::wstring first_extension = ext.substr(ext.find(L'.')); |
| size_t first_separator_index = first_extension.find(L';'); |
| if (first_separator_index != std::wstring::npos) |
| first_extension = first_extension.substr(0, first_separator_index); |
| |
| // Find the extension name without the preceeding '.' character. |
| std::wstring ext_name = first_extension; |
| size_t ext_index = ext_name.find_first_not_of(L'.'); |
| if (ext_index != std::wstring::npos) |
| ext_name = ext_name.substr(ext_index); |
| |
| if (!GetRegistryDescriptionFromExtension(first_extension, &desc)) { |
| // The extension doesn't exist in the registry. Create a description |
| // based on the unknown extension type (i.e. if the extension is .qqq, |
| // the we create a description "QQQ File (.qqq)"). |
| include_all_files = true; |
| desc = l10n_util::GetStringFUTF16( |
| IDS_APP_SAVEAS_EXTENSION_FORMAT, |
| base::i18n::ToUpper(base::WideToUTF16(ext_name)), |
| ext_name); |
| } |
| if (desc.empty()) |
| desc = L"*." + ext_name; |
| } |
| |
| result.append(desc.c_str(), desc.size() + 1); // Append NULL too. |
| result.append(ext.c_str(), ext.size() + 1); |
| } |
| |
| if (include_all_files) { |
| result.append(all_desc.c_str(), all_desc.size() + 1); |
| result.append(all_ext.c_str(), all_ext.size() + 1); |
| } |
| |
| result.append(1, '\0'); // Double NULL required. |
| return result; |
| } |
| |
| // Enforce visible dialog box. |
| UINT_PTR CALLBACK SaveAsDialogHook(HWND dialog, UINT message, |
| WPARAM wparam, LPARAM lparam) { |
| static const UINT kPrivateMessage = 0x2F3F; |
| switch (message) { |
| case WM_INITDIALOG: { |
| // Do nothing here. Just post a message to defer actual processing. |
| PostMessage(dialog, kPrivateMessage, 0, 0); |
| return TRUE; |
| } |
| case kPrivateMessage: { |
| // The dialog box is the parent of the current handle. |
| HWND real_dialog = GetParent(dialog); |
| |
| // Retrieve the final size. |
| RECT dialog_rect; |
| GetWindowRect(real_dialog, &dialog_rect); |
| |
| // Verify that the upper left corner is visible. |
| POINT point = { dialog_rect.left, dialog_rect.top }; |
| HMONITOR monitor1 = MonitorFromPoint(point, MONITOR_DEFAULTTONULL); |
| point.x = dialog_rect.right; |
| point.y = dialog_rect.bottom; |
| |
| // Verify that the lower right corner is visible. |
| HMONITOR monitor2 = MonitorFromPoint(point, MONITOR_DEFAULTTONULL); |
| if (monitor1 && monitor2) |
| return 0; |
| |
| // Some part of the dialog box is not visible, fix it by moving is to the |
| // client rect position of the browser window. |
| HWND parent_window = GetParent(real_dialog); |
| if (!parent_window) |
| return 0; |
| WINDOWINFO parent_info; |
| parent_info.cbSize = sizeof(WINDOWINFO); |
| GetWindowInfo(parent_window, &parent_info); |
| SetWindowPos(real_dialog, NULL, |
| parent_info.rcClient.left, |
| parent_info.rcClient.top, |
| 0, 0, // Size. |
| SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | |
| SWP_NOZORDER); |
| |
| return 0; |
| } |
| } |
| return 0; |
| } |
| |
| // Prompt the user for location to save a file. |
| // Callers should provide the filter string, and also a filter index. |
| // The parameter |index| indicates the initial index of filter description |
| // and filter pattern for the dialog box. If |index| is zero or greater than |
| // the number of total filter types, the system uses the first filter in the |
| // |filter| buffer. |index| is used to specify the initial selected extension, |
| // and when done contains the extension the user chose. The parameter |
| // |final_name| returns the file name which contains the drive designator, |
| // path, file name, and extension of the user selected file name. |def_ext| is |
| // the default extension to give to the file if the user did not enter an |
| // extension. If |ignore_suggested_ext| is true, any file extension contained in |
| // |suggested_name| will not be used to generate the file name. This is useful |
| // in the case of saving web pages, where we know the extension type already and |
| // where |suggested_name| may contain a '.' character as a valid part of the |
| // name, thus confusing our extension detection code. |
| bool SaveFileAsWithFilter(HWND owner, |
| const std::wstring& suggested_name, |
| const std::wstring& filter, |
| const std::wstring& def_ext, |
| bool ignore_suggested_ext, |
| unsigned* index, |
| std::wstring* final_name) { |
| DCHECK(final_name); |
| // Having an empty filter makes for a bad user experience. We should always |
| // specify a filter when saving. |
| DCHECK(!filter.empty()); |
| const base::FilePath suggested_path(suggested_name); |
| std::wstring file_part = suggested_path.BaseName().value(); |
| // If the suggested_name is a root directory, file_part will be '\', and the |
| // call to GetSaveFileName below will fail. |
| if (file_part.size() == 1 && file_part[0] == L'\\') |
| file_part.clear(); |
| |
| // The size of the in/out buffer in number of characters we pass to win32 |
| // GetSaveFileName. From MSDN "The buffer must be large enough to store the |
| // path and file name string or strings, including the terminating NULL |
| // character. ... The buffer should be at least 256 characters long.". |
| // _IsValidPathComDlg does a copy expecting at most MAX_PATH, otherwise will |
| // result in an error of FNERR_INVALIDFILENAME. So we should only pass the |
| // API a buffer of at most MAX_PATH. |
| wchar_t file_name[MAX_PATH]; |
| base::wcslcpy(file_name, file_part.c_str(), arraysize(file_name)); |
| |
| OPENFILENAME save_as; |
| // We must do this otherwise the ofn's FlagsEx may be initialized to random |
| // junk in release builds which can cause the Places Bar not to show up! |
| ZeroMemory(&save_as, sizeof(save_as)); |
| save_as.lStructSize = sizeof(OPENFILENAME); |
| save_as.hwndOwner = owner; |
| save_as.hInstance = NULL; |
| |
| save_as.lpstrFilter = filter.empty() ? NULL : filter.c_str(); |
| |
| save_as.lpstrCustomFilter = NULL; |
| save_as.nMaxCustFilter = 0; |
| save_as.nFilterIndex = *index; |
| save_as.lpstrFile = file_name; |
| save_as.nMaxFile = arraysize(file_name); |
| save_as.lpstrFileTitle = NULL; |
| save_as.nMaxFileTitle = 0; |
| |
| // Set up the initial directory for the dialog. |
| std::wstring directory; |
| if (!suggested_name.empty()) { |
| if (IsDirectory(suggested_path)) { |
| directory = suggested_path.value(); |
| file_part.clear(); |
| } else { |
| directory = suggested_path.DirName().value(); |
| } |
| } |
| |
| save_as.lpstrInitialDir = directory.c_str(); |
| save_as.lpstrTitle = NULL; |
| save_as.Flags = OFN_OVERWRITEPROMPT | OFN_EXPLORER | OFN_ENABLESIZING | |
| OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST; |
| save_as.lpstrDefExt = &def_ext[0]; |
| save_as.lCustData = NULL; |
| |
| if (base::win::GetVersion() < base::win::VERSION_VISTA) { |
| // The save as on Windows XP remembers its last position, |
| // and if the screen resolution changed, it will be off screen. |
| save_as.Flags |= OFN_ENABLEHOOK; |
| save_as.lpfnHook = &SaveAsDialogHook; |
| } |
| |
| // Must be NULL or 0. |
| save_as.pvReserved = NULL; |
| save_as.dwReserved = 0; |
| |
| if (!CallGetSaveFileName(&save_as)) { |
| // Zero means the dialog was closed, otherwise we had an error. |
| DWORD error_code = CommDlgExtendedError(); |
| if (error_code != 0) { |
| NOTREACHED() << "GetSaveFileName failed with code: " << error_code; |
| } |
| return false; |
| } |
| |
| // Return the user's choice. |
| final_name->assign(save_as.lpstrFile); |
| *index = save_as.nFilterIndex; |
| |
| // Figure out what filter got selected from the vector with embedded nulls. |
| // NOTE: The filter contains a string with embedded nulls, such as: |
| // JPG Image\0*.jpg\0All files\0*.*\0\0 |
| // The filter index is 1-based index for which pair got selected. So, using |
| // the example above, if the first index was selected we need to skip 1 |
| // instance of null to get to "*.jpg". |
| std::vector<std::wstring> filters; |
| if (!filter.empty() && save_as.nFilterIndex > 0) |
| base::SplitString(filter, '\0', &filters); |
| std::wstring filter_selected; |
| if (!filters.empty()) |
| filter_selected = filters[(2 * (save_as.nFilterIndex - 1)) + 1]; |
| |
| // Get the extension that was suggested to the user (when the Save As dialog |
| // was opened). For saving web pages, we skip this step since there may be |
| // 'extension characters' in the title of the web page. |
| std::wstring suggested_ext; |
| if (!ignore_suggested_ext) |
| suggested_ext = GetExtensionWithoutLeadingDot(suggested_path.Extension()); |
| |
| // If we can't get the extension from the suggested_name, we use the default |
| // extension passed in. This is to cover cases like when saving a web page, |
| // where we get passed in a name without an extension and a default extension |
| // along with it. |
| if (suggested_ext.empty()) |
| suggested_ext = def_ext; |
| |
| *final_name = |
| ui::AppendExtensionIfNeeded(*final_name, filter_selected, suggested_ext); |
| return true; |
| } |
| |
| // Prompt the user for location to save a file. 'suggested_name' is a full path |
| // that gives the dialog box a hint as to how to initialize itself. |
| // For example, a 'suggested_name' of: |
| // "C:\Documents and Settings\jojo\My Documents\picture.png" |
| // will start the dialog in the "C:\Documents and Settings\jojo\My Documents\" |
| // directory, and filter for .png file types. |
| // 'owner' is the window to which the dialog box is modal, NULL for a modeless |
| // dialog box. |
| // On success, returns true and 'final_name' contains the full path of the file |
| // that the user chose. On error, returns false, and 'final_name' is not |
| // modified. |
| bool SaveFileAs(HWND owner, |
| const std::wstring& suggested_name, |
| std::wstring* final_name) { |
| std::wstring file_ext = |
| base::FilePath(suggested_name).Extension().insert(0, L"*"); |
| std::wstring filter = FormatFilterForExtensions( |
| std::vector<std::wstring>(1, file_ext), |
| std::vector<std::wstring>(), |
| true); |
| unsigned index = 1; |
| return SaveFileAsWithFilter(owner, |
| suggested_name, |
| filter, |
| L"", |
| false, |
| &index, |
| final_name); |
| } |
| |
| // Implementation of SelectFileDialog that shows a Windows common dialog for |
| // choosing a file or folder. |
| class SelectFileDialogImpl : public ui::SelectFileDialog, |
| public ui::BaseShellDialogImpl { |
| public: |
| explicit SelectFileDialogImpl(Listener* listener, |
| ui::SelectFilePolicy* policy); |
| |
| // BaseShellDialog implementation: |
| virtual bool IsRunning(gfx::NativeWindow owning_window) const OVERRIDE; |
| virtual void ListenerDestroyed() OVERRIDE; |
| |
| protected: |
| // SelectFileDialog implementation: |
| virtual void SelectFileImpl( |
| Type type, |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const FileTypeInfo* file_types, |
| int file_type_index, |
| const base::FilePath::StringType& default_extension, |
| gfx::NativeWindow owning_window, |
| void* params) OVERRIDE; |
| |
| private: |
| virtual ~SelectFileDialogImpl(); |
| |
| // A struct for holding all the state necessary for displaying a Save dialog. |
| struct ExecuteSelectParams { |
| ExecuteSelectParams(Type type, |
| const std::wstring& title, |
| const base::FilePath& default_path, |
| const FileTypeInfo* file_types, |
| int file_type_index, |
| const std::wstring& default_extension, |
| RunState run_state, |
| HWND owner, |
| void* params) |
| : type(type), |
| title(title), |
| default_path(default_path), |
| file_type_index(file_type_index), |
| default_extension(default_extension), |
| run_state(run_state), |
| ui_proxy(base::MessageLoopForUI::current()->message_loop_proxy()), |
| owner(owner), |
| params(params) { |
| if (file_types) |
| this->file_types = *file_types; |
| } |
| SelectFileDialog::Type type; |
| std::wstring title; |
| base::FilePath default_path; |
| FileTypeInfo file_types; |
| int file_type_index; |
| std::wstring default_extension; |
| RunState run_state; |
| scoped_refptr<base::MessageLoopProxy> ui_proxy; |
| HWND owner; |
| void* params; |
| }; |
| |
| // Shows the file selection dialog modal to |owner| and calls the result |
| // back on the ui thread. Run on the dialog thread. |
| void ExecuteSelectFile(const ExecuteSelectParams& params); |
| |
| // Notifies the listener that a folder was chosen. Run on the ui thread. |
| void FileSelected(const base::FilePath& path, int index, |
| void* params, RunState run_state); |
| |
| // Notifies listener that multiple files were chosen. Run on the ui thread. |
| void MultiFilesSelected(const std::vector<base::FilePath>& paths, |
| void* params, |
| RunState run_state); |
| |
| // Notifies the listener that no file was chosen (the action was canceled). |
| // Run on the ui thread. |
| void FileNotSelected(void* params, RunState run_state); |
| |
| // Runs a Folder selection dialog box, passes back the selected folder in |
| // |path| and returns true if the user clicks OK. If the user cancels the |
| // dialog box the value in |path| is not modified and returns false. |title| |
| // is the user-supplied title text to show for the dialog box. Run on the |
| // dialog thread. |
| bool RunSelectFolderDialog(const std::wstring& title, |
| HWND owner, |
| base::FilePath* path); |
| |
| // Runs an Open file dialog box, with similar semantics for input paramaters |
| // as RunSelectFolderDialog. |
| bool RunOpenFileDialog(const std::wstring& title, |
| const std::wstring& filters, |
| HWND owner, |
| base::FilePath* path); |
| |
| // Runs an Open file dialog box that supports multi-select, with similar |
| // semantics for input paramaters as RunOpenFileDialog. |
| bool RunOpenMultiFileDialog(const std::wstring& title, |
| const std::wstring& filter, |
| HWND owner, |
| std::vector<base::FilePath>* paths); |
| |
| // The callback function for when the select folder dialog is opened. |
| static int CALLBACK BrowseCallbackProc(HWND window, UINT message, |
| LPARAM parameter, |
| LPARAM data); |
| |
| virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE; |
| |
| // Returns the filter to be used while displaying the open/save file dialog. |
| // This is computed from the extensions for the file types being opened. |
| // |file_types| can be NULL in which case the returned filter will be empty. |
| base::string16 GetFilterForFileTypes(const FileTypeInfo* file_types); |
| |
| bool has_multiple_file_type_choices_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl); |
| }; |
| |
| SelectFileDialogImpl::SelectFileDialogImpl(Listener* listener, |
| ui::SelectFilePolicy* policy) |
| : SelectFileDialog(listener, policy), |
| BaseShellDialogImpl(), |
| has_multiple_file_type_choices_(false) { |
| } |
| |
| SelectFileDialogImpl::~SelectFileDialogImpl() { |
| } |
| |
| void SelectFileDialogImpl::SelectFileImpl( |
| Type type, |
| const base::string16& title, |
| const base::FilePath& default_path, |
| const FileTypeInfo* file_types, |
| int file_type_index, |
| const base::FilePath::StringType& default_extension, |
| gfx::NativeWindow owning_window, |
| void* params) { |
| has_multiple_file_type_choices_ = |
| file_types ? file_types->extensions.size() > 1 : true; |
| // If the owning_window passed in is in metro then we need to forward the |
| // file open/save operations to metro. |
| if (GetShellDialogsDelegate() && |
| GetShellDialogsDelegate()->IsWindowInMetro(owning_window)) { |
| if (type == SELECT_SAVEAS_FILE) { |
| win8::MetroViewerProcessHost::HandleSaveFile( |
| title, |
| default_path, |
| GetFilterForFileTypes(file_types), |
| file_type_index, |
| default_extension, |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelected, |
| base::Unretained(listener_)), |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled, |
| base::Unretained(listener_))); |
| return; |
| } else if (type == SELECT_OPEN_FILE) { |
| win8::MetroViewerProcessHost::HandleOpenFile( |
| title, |
| default_path, |
| GetFilterForFileTypes(file_types), |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelected, |
| base::Unretained(listener_)), |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled, |
| base::Unretained(listener_))); |
| return; |
| } else if (type == SELECT_OPEN_MULTI_FILE) { |
| win8::MetroViewerProcessHost::HandleOpenMultipleFiles( |
| title, |
| default_path, |
| GetFilterForFileTypes(file_types), |
| base::Bind(&ui::SelectFileDialog::Listener::MultiFilesSelected, |
| base::Unretained(listener_)), |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled, |
| base::Unretained(listener_))); |
| return; |
| } else if (type == SELECT_FOLDER || type == SELECT_UPLOAD_FOLDER) { |
| base::string16 title_string = title; |
| if (type == SELECT_UPLOAD_FOLDER && title_string.empty()) { |
| // If it's for uploading don't use default dialog title to |
| // make sure we clearly tell it's for uploading. |
| title_string = l10n_util::GetStringUTF16( |
| IDS_SELECT_UPLOAD_FOLDER_DIALOG_TITLE); |
| } |
| win8::MetroViewerProcessHost::HandleSelectFolder( |
| title_string, |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelected, |
| base::Unretained(listener_)), |
| base::Bind(&ui::SelectFileDialog::Listener::FileSelectionCanceled, |
| base::Unretained(listener_))); |
| return; |
| } |
| } |
| HWND owner = owning_window && owning_window->GetRootWindow() |
| ? owning_window->GetHost()->GetAcceleratedWidget() : NULL; |
| |
| ExecuteSelectParams execute_params(type, title, |
| default_path, file_types, file_type_index, |
| default_extension, BeginRun(owner), |
| owner, params); |
| execute_params.run_state.dialog_thread->message_loop()->PostTask( |
| FROM_HERE, |
| base::Bind(&SelectFileDialogImpl::ExecuteSelectFile, this, |
| execute_params)); |
| } |
| |
| bool SelectFileDialogImpl::HasMultipleFileTypeChoicesImpl() { |
| return has_multiple_file_type_choices_; |
| } |
| |
| bool SelectFileDialogImpl::IsRunning(gfx::NativeWindow owning_window) const { |
| if (!owning_window->GetRootWindow()) |
| return false; |
| HWND owner = owning_window->GetHost()->GetAcceleratedWidget(); |
| return listener_ && IsRunningDialogForOwner(owner); |
| } |
| |
| void SelectFileDialogImpl::ListenerDestroyed() { |
| // Our associated listener has gone away, so we shouldn't call back to it if |
| // our worker thread returns after the listener is dead. |
| listener_ = NULL; |
| } |
| |
| void SelectFileDialogImpl::ExecuteSelectFile( |
| const ExecuteSelectParams& params) { |
| base::string16 filter = GetFilterForFileTypes(¶ms.file_types); |
| |
| base::FilePath path = params.default_path; |
| bool success = false; |
| unsigned filter_index = params.file_type_index; |
| if (params.type == SELECT_FOLDER || params.type == SELECT_UPLOAD_FOLDER) { |
| std::wstring title = params.title; |
| if (title.empty() && params.type == SELECT_UPLOAD_FOLDER) { |
| // If it's for uploading don't use default dialog title to |
| // make sure we clearly tell it's for uploading. |
| title = l10n_util::GetStringUTF16(IDS_SELECT_UPLOAD_FOLDER_DIALOG_TITLE); |
| } |
| success = RunSelectFolderDialog(title, |
| params.run_state.owner, |
| &path); |
| } else if (params.type == SELECT_SAVEAS_FILE) { |
| std::wstring path_as_wstring = path.value(); |
| success = SaveFileAsWithFilter(params.run_state.owner, |
| params.default_path.value(), filter, |
| params.default_extension, false, &filter_index, &path_as_wstring); |
| if (success) |
| path = base::FilePath(path_as_wstring); |
| DisableOwner(params.run_state.owner); |
| } else if (params.type == SELECT_OPEN_FILE) { |
| success = RunOpenFileDialog(params.title, filter, |
| params.run_state.owner, &path); |
| } else if (params.type == SELECT_OPEN_MULTI_FILE) { |
| std::vector<base::FilePath> paths; |
| if (RunOpenMultiFileDialog(params.title, filter, |
| params.run_state.owner, &paths)) { |
| params.ui_proxy->PostTask( |
| FROM_HERE, |
| base::Bind(&SelectFileDialogImpl::MultiFilesSelected, this, paths, |
| params.params, params.run_state)); |
| return; |
| } |
| } |
| |
| if (success) { |
| params.ui_proxy->PostTask( |
| FROM_HERE, |
| base::Bind(&SelectFileDialogImpl::FileSelected, this, path, |
| filter_index, params.params, params.run_state)); |
| } else { |
| params.ui_proxy->PostTask( |
| FROM_HERE, |
| base::Bind(&SelectFileDialogImpl::FileNotSelected, this, params.params, |
| params.run_state)); |
| } |
| } |
| |
| void SelectFileDialogImpl::FileSelected(const base::FilePath& selected_folder, |
| int index, |
| void* params, |
| RunState run_state) { |
| if (listener_) |
| listener_->FileSelected(selected_folder, index, params); |
| EndRun(run_state); |
| } |
| |
| void SelectFileDialogImpl::MultiFilesSelected( |
| const std::vector<base::FilePath>& selected_files, |
| void* params, |
| RunState run_state) { |
| if (listener_) |
| listener_->MultiFilesSelected(selected_files, params); |
| EndRun(run_state); |
| } |
| |
| void SelectFileDialogImpl::FileNotSelected(void* params, RunState run_state) { |
| if (listener_) |
| listener_->FileSelectionCanceled(params); |
| EndRun(run_state); |
| } |
| |
| int CALLBACK SelectFileDialogImpl::BrowseCallbackProc(HWND window, |
| UINT message, |
| LPARAM parameter, |
| LPARAM data) { |
| if (message == BFFM_INITIALIZED) { |
| // WParam is TRUE since passing a path. |
| // data lParam member of the BROWSEINFO structure. |
| SendMessage(window, BFFM_SETSELECTION, TRUE, (LPARAM)data); |
| } |
| return 0; |
| } |
| |
| bool SelectFileDialogImpl::RunSelectFolderDialog(const std::wstring& title, |
| HWND owner, |
| base::FilePath* path) { |
| DCHECK(path); |
| |
| wchar_t dir_buffer[MAX_PATH + 1]; |
| |
| bool result = false; |
| BROWSEINFO browse_info = {0}; |
| browse_info.hwndOwner = owner; |
| browse_info.lpszTitle = title.c_str(); |
| browse_info.pszDisplayName = dir_buffer; |
| browse_info.ulFlags = BIF_USENEWUI | BIF_RETURNONLYFSDIRS; |
| |
| if (path->value().length()) { |
| // Highlight the current value. |
| browse_info.lParam = (LPARAM)path->value().c_str(); |
| browse_info.lpfn = &BrowseCallbackProc; |
| } |
| |
| LPITEMIDLIST list = SHBrowseForFolder(&browse_info); |
| DisableOwner(owner); |
| if (list) { |
| STRRET out_dir_buffer; |
| ZeroMemory(&out_dir_buffer, sizeof(out_dir_buffer)); |
| out_dir_buffer.uType = STRRET_WSTR; |
| base::win::ScopedComPtr<IShellFolder> shell_folder; |
| if (SHGetDesktopFolder(shell_folder.Receive()) == NOERROR) { |
| HRESULT hr = shell_folder->GetDisplayNameOf(list, SHGDN_FORPARSING, |
| &out_dir_buffer); |
| if (SUCCEEDED(hr) && out_dir_buffer.uType == STRRET_WSTR) { |
| *path = base::FilePath(out_dir_buffer.pOleStr); |
| CoTaskMemFree(out_dir_buffer.pOleStr); |
| result = true; |
| } else { |
| // Use old way if we don't get what we want. |
| wchar_t old_out_dir_buffer[MAX_PATH + 1]; |
| if (SHGetPathFromIDList(list, old_out_dir_buffer)) { |
| *path = base::FilePath(old_out_dir_buffer); |
| result = true; |
| } |
| } |
| |
| // According to MSDN, win2000 will not resolve shortcuts, so we do it |
| // ourself. |
| base::win::ResolveShortcut(*path, path, NULL); |
| } |
| CoTaskMemFree(list); |
| } |
| return result; |
| } |
| |
| bool SelectFileDialogImpl::RunOpenFileDialog( |
| const std::wstring& title, |
| const std::wstring& filter, |
| HWND owner, |
| base::FilePath* path) { |
| OPENFILENAME ofn; |
| // We must do this otherwise the ofn's FlagsEx may be initialized to random |
| // junk in release builds which can cause the Places Bar not to show up! |
| ZeroMemory(&ofn, sizeof(ofn)); |
| ofn.lStructSize = sizeof(ofn); |
| ofn.hwndOwner = owner; |
| |
| wchar_t filename[MAX_PATH]; |
| // According to http://support.microsoft.com/?scid=kb;en-us;222003&x=8&y=12, |
| // The lpstrFile Buffer MUST be NULL Terminated. |
| filename[0] = 0; |
| // Define the dir in here to keep the string buffer pointer pointed to |
| // ofn.lpstrInitialDir available during the period of running the |
| // GetOpenFileName. |
| base::FilePath dir; |
| // Use lpstrInitialDir to specify the initial directory |
| if (!path->empty()) { |
| if (IsDirectory(*path)) { |
| ofn.lpstrInitialDir = path->value().c_str(); |
| } else { |
| dir = path->DirName(); |
| ofn.lpstrInitialDir = dir.value().c_str(); |
| // Only pure filename can be put in lpstrFile field. |
| base::wcslcpy(filename, path->BaseName().value().c_str(), |
| arraysize(filename)); |
| } |
| } |
| |
| ofn.lpstrFile = filename; |
| ofn.nMaxFile = MAX_PATH; |
| |
| // We use OFN_NOCHANGEDIR so that the user can rename or delete the directory |
| // without having to close Chrome first. |
| ofn.Flags = OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR; |
| |
| if (!filter.empty()) |
| ofn.lpstrFilter = filter.c_str(); |
| bool success = CallGetOpenFileName(&ofn); |
| DisableOwner(owner); |
| if (success) |
| *path = base::FilePath(filename); |
| return success; |
| } |
| |
| bool SelectFileDialogImpl::RunOpenMultiFileDialog( |
| const std::wstring& title, |
| const std::wstring& filter, |
| HWND owner, |
| std::vector<base::FilePath>* paths) { |
| OPENFILENAME ofn; |
| // We must do this otherwise the ofn's FlagsEx may be initialized to random |
| // junk in release builds which can cause the Places Bar not to show up! |
| ZeroMemory(&ofn, sizeof(ofn)); |
| ofn.lStructSize = sizeof(ofn); |
| ofn.hwndOwner = owner; |
| |
| scoped_ptr<wchar_t[]> filename(new wchar_t[UNICODE_STRING_MAX_CHARS]); |
| filename[0] = 0; |
| |
| ofn.lpstrFile = filename.get(); |
| ofn.nMaxFile = UNICODE_STRING_MAX_CHARS; |
| // We use OFN_NOCHANGEDIR so that the user can rename or delete the directory |
| // without having to close Chrome first. |
| ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER |
| | OFN_HIDEREADONLY | OFN_ALLOWMULTISELECT | OFN_NOCHANGEDIR; |
| |
| if (!filter.empty()) { |
| ofn.lpstrFilter = filter.c_str(); |
| } |
| |
| bool success = CallGetOpenFileName(&ofn); |
| DisableOwner(owner); |
| if (success) { |
| std::vector<base::FilePath> files; |
| const wchar_t* selection = ofn.lpstrFile; |
| while (*selection) { // Empty string indicates end of list. |
| files.push_back(base::FilePath(selection)); |
| // Skip over filename and null-terminator. |
| selection += files.back().value().length() + 1; |
| } |
| if (files.empty()) { |
| success = false; |
| } else if (files.size() == 1) { |
| // When there is one file, it contains the path and filename. |
| paths->swap(files); |
| } else { |
| // Otherwise, the first string is the path, and the remainder are |
| // filenames. |
| std::vector<base::FilePath>::iterator path = files.begin(); |
| for (std::vector<base::FilePath>::iterator file = path + 1; |
| file != files.end(); ++file) { |
| paths->push_back(path->Append(*file)); |
| } |
| } |
| } |
| return success; |
| } |
| |
| base::string16 SelectFileDialogImpl::GetFilterForFileTypes( |
| const FileTypeInfo* file_types) { |
| if (!file_types) |
| return base::string16(); |
| |
| std::vector<base::string16> exts; |
| for (size_t i = 0; i < file_types->extensions.size(); ++i) { |
| const std::vector<base::string16>& inner_exts = file_types->extensions[i]; |
| base::string16 ext_string; |
| for (size_t j = 0; j < inner_exts.size(); ++j) { |
| if (!ext_string.empty()) |
| ext_string.push_back(L';'); |
| ext_string.append(L"*."); |
| ext_string.append(inner_exts[j]); |
| } |
| exts.push_back(ext_string); |
| } |
| return FormatFilterForExtensions( |
| exts, |
| file_types->extension_description_overrides, |
| file_types->include_all_files); |
| } |
| |
| } // namespace |
| |
| namespace ui { |
| |
| // This function takes the output of a SaveAs dialog: a filename, a filter and |
| // the extension originally suggested to the user (shown in the dialog box) and |
| // returns back the filename with the appropriate extension tacked on. If the |
| // user requests an unknown extension and is not using the 'All files' filter, |
| // the suggested extension will be appended, otherwise we will leave the |
| // filename unmodified. |filename| should contain the filename selected in the |
| // SaveAs dialog box and may include the path, |filter_selected| should be |
| // '*.something', for example '*.*' or it can be blank (which is treated as |
| // *.*). |suggested_ext| should contain the extension without the dot (.) in |
| // front, for example 'jpg'. |
| std::wstring AppendExtensionIfNeeded( |
| const std::wstring& filename, |
| const std::wstring& filter_selected, |
| const std::wstring& suggested_ext) { |
| DCHECK(!filename.empty()); |
| std::wstring return_value = filename; |
| |
| // If we wanted a specific extension, but the user's filename deleted it or |
| // changed it to something that the system doesn't understand, re-append. |
| // Careful: Checking net::GetMimeTypeFromExtension() will only find |
| // extensions with a known MIME type, which many "known" extensions on Windows |
| // don't have. So we check directly for the "known extension" registry key. |
| std::wstring file_extension( |
| GetExtensionWithoutLeadingDot(base::FilePath(filename).Extension())); |
| std::wstring key(L"." + file_extension); |
| if (!(filter_selected.empty() || filter_selected == L"*.*") && |
| !base::win::RegKey(HKEY_CLASSES_ROOT, key.c_str(), KEY_READ).Valid() && |
| file_extension != suggested_ext) { |
| if (return_value[return_value.length() - 1] != L'.') |
| return_value.append(L"."); |
| return_value.append(suggested_ext); |
| } |
| |
| // Strip any trailing dots, which Windows doesn't allow. |
| size_t index = return_value.find_last_not_of(L'.'); |
| if (index < return_value.size() - 1) |
| return_value.resize(index + 1); |
| |
| return return_value; |
| } |
| |
| SelectFileDialog* CreateWinSelectFileDialog( |
| SelectFileDialog::Listener* listener, |
| SelectFilePolicy* policy) { |
| return new SelectFileDialogImpl(listener, policy); |
| } |
| |
| } // namespace ui |