[Ozone-Evdev] Propagate touchscreen device information to DeviceDataManager

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 EVENTS_OZONE_EVDEV_EXPORT TouchEventConverterEvdev
     : public EventConverterEvdev {
  public:
   enum {
     MAX_FINGERS = 11
   };
   TouchEventConverterEvdev(int fd,
                            base::FilePath path,
+                           int id,
                            const EventDeviceInfo& info,
                            const EventDispatchCallback& dispatch);
   virtual ~TouchEventConverterEvdev();
 
+  // EventConverterEvdev:
+  virtual bool HasTouchscreen() const OVERRIDE;
+  virtual gfx::Size GetTouchscreenSize() const OVERRIDE;
+
  private:
   friend class MockTouchEventConverterEvdev;
 
   // Unsafe part of initialization.
   void Init(const EventDeviceInfo& info);
 
   // Overidden from base::MessagePumpLibevent::Watcher.
   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
 
   virtual bool Reinitialize();
@@ skipping 26 matching lines @@
   float y_num_tuxels_;
 
   // Output range for x-axis.
   float x_min_pixels_;
   float x_num_pixels_;
 
   // Output range for y-axis.
   float y_min_pixels_;
   float y_num_pixels_;
 
+  // Size of the touchscreen as reported by the driver.
+  gfx::Size native_size_;
+
   // Touch point currently being updated from the /dev/input/event* stream.
   int current_slot_;
 
   // Bit field tracking which in-progress touch points have been modified
   // without a syn event.
   std::bitset<MAX_FINGERS> altered_slots_;
 
   struct InProgressEvents {
     float x_;
     float y_;
     int id_;  // Device reported "unique" touch point id; -1 means not active
     int finger_;  // "Finger" id starting from 0; -1 means not active
 
     EventType type_;
     float radius_x_;
     float radius_y_;
     float pressure_;
   };
 
   // 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_