ui/events/ozone/evdev/touch_evdev_debug_buffer.h

   1 // Copyright 2015 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_EVENTS_OZONE_EVDEV_TOUCH_DEBUG_BUFFER_H_
   6 #define UI_EVENTS_OZONE_EVDEV_TOUCH_DEBUG_BUFFER_H_
   7
   8 #include <linux/input.h>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
  13
  14 namespace ui {
  15
  16 class EventDeviceInfo;
  17
  18 class EVENTS_OZONE_EVDEV_EXPORT TouchEventLogEvdev {
  19  public:
  20   TouchEventLogEvdev();
  21   ~TouchEventLogEvdev();
  22
  23   void Initialize(const EventDeviceInfo& devinfo);
  24   void ProcessEvent(size_t cur_slot, const input_event* ev);
  25
  26   void DumpLog(const char* filename);
  27
  28  private:
  29   struct TouchEvent {
  30     struct input_event ev;
  31     int slot;
  32   };
  33   const int kDebugBufferSize = 65536;
  34   scoped_ptr<TouchEvent[]> logged_events_;
  35   int debug_buffer_tail_ = 0;
  36
  37   std::string device_name_;
  38
  39   struct AbsAxisData {
  40     AbsAxisData(int code, const input_absinfo& info);
  41     AbsAxisData(const AbsAxisData& other);
  42     ~AbsAxisData();
  43
  44     int code;
  45     input_absinfo info;
  46   };
  47
  48   std::vector<AbsAxisData> axes_;
  49 };
  50
  51 }  // namespace ui
  52
  53 #endif  // UI_EVENTS_OZONE_EVDEV_TOUCH_EVDEV_BUFFER_H_