chrome/browser/chromeos/events/keyboard_driven_event_rewriter.h

   1 // Copyright 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 CHROME_BROWSER_CHROMEOS_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_
   6 #define CHROME_BROWSER_CHROMEOS_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_
   7
   8 #include "ui/events/event_rewriter.h"
   9
  10 namespace chromeos {
  11
  12 // KeyboardDrivenEventRewriter removes the modifier flags from
  13 // Shift+<Arrow keys|Enter|F6> key events. This mapping only happens
  14 // on login screen and only when the keyboard driven oobe is enabled.
  15 class KeyboardDrivenEventRewriter : public ui::EventRewriter {
  16  public:
  17   KeyboardDrivenEventRewriter();
  18   ~KeyboardDrivenEventRewriter() override;
  19
  20   // Calls Rewrite for testing.
  21   ui::EventRewriteStatus RewriteForTesting(const ui::Event& event,
  22                                            scoped_ptr<ui::Event>* new_event);
  23
  24   // EventRewriter overrides:
  25   ui::EventRewriteStatus RewriteEvent(
  26       const ui::Event& event,
  27       scoped_ptr<ui::Event>* new_event) override;
  28   ui::EventRewriteStatus NextDispatchEvent(
  29       const ui::Event& last_event,
  30       scoped_ptr<ui::Event>* new_event) override;
  31
  32  private:
  33   ui::EventRewriteStatus Rewrite(const ui::Event& event,
  34                                  scoped_ptr<ui::Event>* new_event);
  35
  36   DISALLOW_COPY_AND_ASSIGN(KeyboardDrivenEventRewriter);
  37 };
  38
  39 }  // namespace chromeos
  40
  41 #endif  // CHROME_BROWSER_CHROMEOS_EVENTS_KEYBOARD_DRIVEN_EVENT_REWRITER_H_