ui/shell_dialogs/linux_shell_dialog.h

   1 // Copyright (c) 2013 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 #ifndef UI_SHELL_DIALOGS_LINUX_SHELL_DIALOG_H_
   6 #define UI_SHELL_DIALOGS_LINUX_SHELL_DIALOG_H_
   7
   8 #include "ui/shell_dialogs/select_file_dialog.h"
   9 #include "ui/shell_dialogs/shell_dialogs_export.h"
  10
  11 namespace ui {
  12
  13 // An interface that lets different Linux platforms override the
  14 // CreateSelectFileDialog function declared here to return native file dialogs.
  15 class SHELL_DIALOGS_EXPORT LinuxShellDialog {
  16  public:
  17   virtual ~LinuxShellDialog() {}
  18
  19   // Sets the dynamically loaded singleton that draws the desktop native
  20   // UI. This pointer is not owned, and if this method is called a second time,
  21   // the first instance is not deleted.
  22   static void SetInstance(LinuxShellDialog* instance);
  23
  24   // Returns a LinuxUI instance for the toolkit used in the user's desktop
  25   // environment.
  26   //
  27   // Can return NULL, in case no toolkit has been set. (For example, if we're
  28   // running with the "--ash" flag.)
  29   static const LinuxShellDialog* instance();
  30
  31   // Returns a native file selection dialog.
  32   virtual SelectFileDialog* CreateSelectFileDialog(
  33       SelectFileDialog::Listener* listener,
  34       SelectFilePolicy* policy) const = 0;
  35 };
  36
  37 }  // namespace ui
  38
  39 #endif  // UI_SHELL_DIALOGS_LINUX_SHELL_DIALOG_H_
  40