Move SelectFileDialog implementation to ui/base/dialogs/

chrome/browser/ui/select_file_dialog.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_SELECT_FILE_DIALOG_H_
 #define CHROME_BROWSER_UI_SELECT_FILE_DIALOG_H_
 
-#include <string>
-#include <vector>
+// TODO(erg): Remove this redirect header. crbug.com/134529
+#include "ui/base/dialogs/select_file_dialog.h"
 
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/string16.h"
-#include "ui/base/dialogs/base_shell_dialog.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace ui {
-class SelectFilePolicy;
-}
-
-namespace content {
-class WebContents;
-}
-
-namespace ui {
-struct SelectedFileInfo;
-}
-
-// This function is declared extern such that it is accessible for unit tests
-// in /chrome/browser/ui/views/select_file_dialog_win_unittest.cc
-extern std::wstring AppendExtensionIfNeeded(const std::wstring& filename,
-                                            const std::wstring& filter_selected,
-                                            const std::wstring& suggested_ext);
-
-// Shows a dialog box for selecting a file or a folder.
-class SelectFileDialog
-    : public base::RefCountedThreadSafe<SelectFileDialog>,
-      public ui::BaseShellDialog {
- public:
-  enum Type {
-    SELECT_NONE,
-    SELECT_FOLDER,
-    SELECT_SAVEAS_FILE,
-    SELECT_OPEN_FILE,
-    SELECT_OPEN_MULTI_FILE
-  };
-
-  // An interface implemented by a Listener object wishing to know about the
-  // the result of the Select File/Folder action. These callbacks must be
-  // re-entrant.
-  class Listener {
-   public:
-    // Notifies the Listener that a file/folder selection has been made. The
-    // file/folder path is in |path|. |params| is contextual passed to
-    // SelectFile. |index| specifies the index of the filter passed to the
-    // the initial call to SelectFile.
-    virtual void FileSelected(const FilePath& path,
-                              int index, void* params) = 0;
-
-    // Similar to FileSelected() but takes SelectedFileInfo instead of
-    // FilePath. Used for passing extra information (ex. display name).
-    //
-    // If not overridden, calls FileSelected() with path from |file|.
-    virtual void FileSelectedWithExtraInfo(
-        const ui::SelectedFileInfo& file,
-        int index,
-        void* params);
-
-    // Notifies the Listener that many files have been selected. The
-    // files are in |files|. |params| is contextual passed to SelectFile.
-    virtual void MultiFilesSelected(
-      const std::vector<FilePath>& files, void* params) {}
-
-    // Similar to MultiFilesSelected() but takes SelectedFileInfo instead of
-    // FilePath. Used for passing extra information (ex. display name).
-    //
-    // If not overridden, calls MultiFilesSelected() with paths from |files|.
-    virtual void MultiFilesSelectedWithExtraInfo(
-      const std::vector<ui::SelectedFileInfo>& files,
-      void* params);
-
-    // Notifies the Listener that the file/folder selection was aborted (via
-    // the  user canceling or closing the selection dialog box, for example).
-    // |params| is contextual passed to SelectFile.
-    virtual void FileSelectionCanceled(void* params) {}
-
-   protected:
-    virtual ~Listener() {}
-  };
-
-  // Creates a dialog box helper. This object is ref-counted, but the returned
-  // object will have no reference (refcount is 0). |policy| is an optional
-  // class that can prevent showing a dialog.
-  static SelectFileDialog* Create(Listener* listener,
-                                  ui::SelectFilePolicy* policy);
-
-  // Holds information about allowed extensions on a file save dialog.
-  // |extensions| is a list of allowed extensions. For example, it might be
-  //   { { "htm", "html" }, { "txt" } }. Only pass more than one extension
-  //   in the inner vector if the extensions are equivalent. Do NOT include
-  //   leading periods.
-  // |extension_description_overrides| overrides the system descriptions of the
-  //   specified extensions. Entries correspond to |extensions|; if left blank
-  //   the system descriptions will be used.
-  // |include_all_files| specifies whether there will be a filter added for all
-  //   files (i.e. *.*).
-  struct FileTypeInfo {
-    FileTypeInfo();
-    ~FileTypeInfo();
-
-    std::vector<std::vector<FilePath::StringType> > extensions;
-    std::vector<string16> extension_description_overrides;
-    bool include_all_files;
-  };
-
-  // Selects a File.
-  // Before doing anything this function checks if FileBrowsing is forbidden
-  // by Policy. If so, it tries to show an InfoBar and behaves as though no File
-  // was selected (the user clicked `Cancel` immediately).
-  // Otherwise it will start displaying the dialog box. This will also
-  // block the calling window until the dialog box is complete. The listener
-  // associated with this object will be notified when the selection is
-  // complete.
-  // |type| is the type of file dialog to be shown, see Type enumeration above.
-  // |title| is the title to be displayed in the dialog. If this string is
-  //   empty, the default title is used.
-  // |default_path| is the default path and suggested file name to be shown in
-  //   the dialog. This only works for SELECT_SAVEAS_FILE and SELECT_OPEN_FILE.
-  //   Can be an empty string to indicate the platform default.
-  // |file_types| holds the information about the file types allowed. Pass NULL
-  //   to get no special behavior
-  // |file_type_index| is the 1-based index into the file type list in
-  //   |file_types|. Specify 0 if you don't need to specify extension behavior.
-  // |default_extension| is the default extension to add to the file if the
-  //   user doesn't type one. This should NOT include the '.'. On Windows, if
-  //   you specify this you must also specify |file_types|.
-  // |owning_window| is the window the dialog is modal to, or NULL for a
-  //   modeless dialog.
-  // |params| is data from the calling context which will be passed through to
-  //   the listener. Can be NULL.
-  // NOTE: only one instance of any shell dialog can be shown per owning_window
-  //       at a time (for obvious reasons).
-  void SelectFile(Type type,
-                  const string16& title,
-                  const FilePath& default_path,
-                  const FileTypeInfo* file_types,
-                  int file_type_index,
-                  const FilePath::StringType& default_extension,
-                  gfx::NativeWindow owning_window,
-                  void* params);
-  bool HasMultipleFileTypeChoices();
-
- protected:
-  friend class base::RefCountedThreadSafe<SelectFileDialog>;
-  explicit SelectFileDialog(Listener* listener,
-                            ui::SelectFilePolicy* policy);
-  virtual ~SelectFileDialog();
-
-  // Displays the actual file-selection dialog.
-  // This is overridden in the platform-specific descendants of FileSelectDialog
-  // and gets called from SelectFile after testing the
-  // AllowFileSelectionDialogs-Policy.
-  virtual void SelectFileImpl(Type type,
-                              const string16& title,
-                              const FilePath& default_path,
-                              const FileTypeInfo* file_types,
-                              int file_type_index,
-                              const FilePath::StringType& default_extension,
-                              gfx::NativeWindow owning_window,
-                              void* params) = 0;
-
-  // The listener to be notified of selection completion.
-  Listener* listener_;
-
- private:
-  // Tests if the file selection dialog can be displayed by
-  // testing if the AllowFileSelectionDialogs-Policy is
-  // either unset or set to true.
-  bool CanOpenSelectFileDialog();
-
-  // Informs the |listener_| that the file selection dialog was canceled. Moved
-  // to a function for being able to post it to the message loop.
-  void CancelFileSelection(void* params);
-
-  // Returns true if the dialog has multiple file type choices.
-  virtual bool HasMultipleFileTypeChoicesImpl() = 0;
-
-  scoped_ptr<ui::SelectFilePolicy> select_file_policy_;
-
-  DISALLOW_COPY_AND_ASSIGN(SelectFileDialog);
-};
+using ui::SelectFileDialog;
 
 #endif  // CHROME_BROWSER_UI_SELECT_FILE_DIALOG_H_