ui/events/test/test_event_handler.h

   1 // Copyright (c) 2012 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_TEST_TEST_EVENT_HANDLER_H_
   6 #define UI_EVENTS_TEST_TEST_EVENT_HANDLER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "ui/events/event_handler.h"
  14
  15 typedef std::vector<std::string> HandlerSequenceRecorder;
  16
  17 namespace ui {
  18 namespace test {
  19
  20 // A simple EventHandler that keeps track of the number of key events that it's
  21 // seen.
  22 class TestEventHandler : public EventHandler {
  23  public:
  24   TestEventHandler();
  25   ~TestEventHandler() override;
  26
  27   int num_key_events() const { return num_key_events_; }
  28   int num_mouse_events() const { return num_mouse_events_; }
  29   int num_scroll_events() const { return num_scroll_events_; }
  30   int num_touch_events() const { return num_touch_events_; }
  31   int num_gesture_events() const { return num_gesture_events_; }
  32
  33   void Reset();
  34
  35   void set_recorder(HandlerSequenceRecorder* recorder) {
  36     recorder_ = recorder;
  37   }
  38   void set_handler_name(const std::string& handler_name) {
  39     handler_name_ = handler_name;
  40   }
  41
  42   // EventHandler overrides:
  43   void OnKeyEvent(KeyEvent* event) override;
  44   void OnMouseEvent(MouseEvent* event) override;
  45   void OnScrollEvent(ScrollEvent* event) override;
  46   void OnTouchEvent(TouchEvent* event) override;
  47   void OnGestureEvent(GestureEvent* event) override;
  48
  49  private:
  50   // How many events have been received of each type?
  51   int num_key_events_;
  52   int num_mouse_events_;
  53   int num_scroll_events_;
  54   int num_touch_events_;
  55   int num_gesture_events_;
  56
  57   HandlerSequenceRecorder* recorder_;
  58   std::string handler_name_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(TestEventHandler);
  61 };
  62
  63 }  // namespace test
  64 }  // namespace ui
  65
  66 #endif // UI_EVENTS_TEST_TEST_EVENT_HANDLER_H_