ui/ozone/public/event_factory_ozone.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_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_
   6 #define UI_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_
   7
   8 #include <map>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/message_loop/message_pump_libevent.h"
  12 #include "ui/gfx/native_widget_types.h"
  13 #include "ui/ozone/ozone_base_export.h"
  14
  15 namespace gfx {
  16 class PointF;
  17 }
  18
  19 namespace ui {
  20
  21 class Event;
  22
  23 // Creates and dispatches |ui.Event|'s. Ozone assumes that events arrive on file
  24 // descriptors with one  |EventConverterOzone| instance for each descriptor.
  25 // Ozone presumes that the set of file descriptors can vary at runtime so this
  26 // class supports dynamically adding and removing |EventConverterOzone|
  27 // instances as necessary.
  28 class OZONE_BASE_EXPORT EventFactoryOzone {
  29  public:
  30   EventFactoryOzone();
  31   virtual ~EventFactoryOzone();
  32
  33   // Warp the cursor to a location within an AccelerateWidget.
  34   // If the cursor actually moves, the implementation must dispatch a mouse
  35   // move event with the new location.
  36   virtual void WarpCursorTo(gfx::AcceleratedWidget widget,
  37                             const gfx::PointF& location);
  38
  39   // Returns the singleton instance.
  40   static EventFactoryOzone* GetInstance();
  41
  42  private:
  43   static EventFactoryOzone* impl_;  // not owned
  44
  45   DISALLOW_COPY_AND_ASSIGN(EventFactoryOzone);
  46 };
  47
  48 }  // namespace ui
  49
  50 #endif  // UI_OZONE_PUBLIC_EVENT_FACTORY_OZONE_H_