ui/ozone/public/system_input_injector.h

   1 // Copyright 2014 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_OZONE_PUBLIC_SYSTEM_INPUT_INJECTOR_H_
   6 #define UI_OZONE_PUBLIC_SYSTEM_INPUT_INJECTOR_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/events/event.h"
  10 #include "ui/events/keycodes/dom/keycode_converter.h"
  11 #include "ui/gfx/geometry/point_f.h"
  12 #include "ui/ozone/ozone_export.h"
  13
  14 namespace gfx {
  15 class PointF;
  16 }  // namespace gfx
  17
  18 namespace ui {
  19 class Event;
  20
  21 // Interface for converting input into ui::Events and injecting them to the
  22 // Ozone platform.
  23 class OZONE_EXPORT SystemInputInjector {
  24  public:
  25   SystemInputInjector() {}
  26   virtual ~SystemInputInjector() {}
  27
  28   // Moves the cursor on the screen and generates the corresponding MouseMove or
  29   // MouseDragged event.  |location| is in physical screen co-ordinates,
  30   // independent of the scale factor and the display rotation settings.
  31   virtual void MoveCursorTo(const gfx::PointF& location) = 0;
  32
  33   // Simulates a mouse button click.  |button| must be one of
  34   // EF_LEFT_MOUSE_BUTTON, EF_RIGHT_MOUSE_BUTTON or EF_MIDDLE_MOUSE_BUTTON.
  35   // SystemInputInjector will apply the correct modifiers (shift, ctrl, etc).
  36   virtual void InjectMouseButton(EventFlags button, bool down) = 0;
  37
  38   // |delta_x| and |delta_y| are in physical pixels independent of the scale
  39   // factor.
  40   virtual void InjectMouseWheel(int delta_x, int delta_y) = 0;
  41
  42   // Simulates a key press.  SystemInputInjector maps |physical_key| to the
  43   // correct logical key based on the current keyboard layout.
  44   virtual void InjectKeyPress(DomCode physical_key, bool down) = 0;
  45
  46  private:
  47   DISALLOW_COPY_AND_ASSIGN(SystemInputInjector);
  48 };
  49
  50 }  // namespace ui
  51
  52 #endif  // UI_OZONE_PUBLIC_SYSTEM_INPUT_INJECTOR_H_