[PATCH 5/11] ozone: evdev: Replace dispatch callbacks with an interface

ui/events/ozone/evdev/touch_event_converter_evdev.h

 // Copyright 2014 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 UI_EVENTS_OZONE_EVDEV_TOUCH_EVENT_CONVERTER_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_TOUCH_EVENT_CONVERTER_EVDEV_H_
 
 #include <bitset>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_pump_libevent.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/ozone/evdev/event_converter_evdev.h"
 #include "ui/events/ozone/evdev/event_device_info.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
 
 namespace ui {
 
 class TouchEvent;
 
+class DeviceEventDispatcherEvdev;
+
 class EVENTS_OZONE_EVDEV_EXPORT TouchEventConverterEvdev
     : public EventConverterEvdev {
  public:
   enum {
     MAX_FINGERS = 11
   };
   TouchEventConverterEvdev(int fd,
                            base::FilePath path,
                            int id,
                            InputDeviceType type,
-                           const TouchEventDispatchCallback& touch_callback);
+                           DeviceEventDispatcherEvdev* dispatcher);
   ~TouchEventConverterEvdev() override;
 
   // EventConverterEvdev:
   bool HasTouchscreen() const override;
   gfx::Size GetTouchscreenSize() const override;
 
   // Unsafe part of initialization.
   virtual void Initialize(const EventDeviceInfo& info);
 
  private:
@@ skipping 19 matching lines @@
   virtual bool Reinitialize();
 
   void ProcessInputEvent(const input_event& input);
   void ProcessAbs(const input_event& input);
   void ProcessSyn(const input_event& input);
 
   void ReportEvent(int touch_id,
       const InProgressEvents& event, const base::TimeDelta& delta);
   void ReportEvents(base::TimeDelta delta);
 
-  // Callback for dispatching events.
-  TouchEventDispatchCallback touch_callback_;
+  // Dispatcher for events.
+  DeviceEventDispatcherEvdev* dispatcher_;
 
   // Set if we have seen a SYN_DROPPED and not yet re-synced with the device.
   bool syn_dropped_;
 
   // Set if this is a type A device (uses SYN_MT_REPORT).
   bool is_type_a_;
 
   // Pressure values.
   int pressure_min_;
   int pressure_max_;  // Used to normalize pressure values.
@@ skipping 18 matching lines @@
 
   // In-progress touch points.
   InProgressEvents events_[MAX_FINGERS];
 
   DISALLOW_COPY_AND_ASSIGN(TouchEventConverterEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_TOUCH_EVENT_CONVERTER_EVDEV_H_