ui/events/test/test_event_processor.h

   1 // Copyright 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_EVENTS_TEST_TEST_EVENT_PROCESSOR_H_
   6 #define UI_EVENTS_TEST_TEST_EVENT_PROCESSOR_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/events/event_processor.h"
  10
  11 namespace ui {
  12 namespace test {
  13
  14 class TestEventProcessor : public EventProcessor {
  15  public:
  16   TestEventProcessor();
  17   ~TestEventProcessor() override;
  18
  19   int num_times_processing_started() const {
  20     return num_times_processing_started_;
  21   }
  22
  23   int num_times_processing_finished() const {
  24     return num_times_processing_finished_;
  25   }
  26
  27   void set_should_processing_occur(bool occur) {
  28     should_processing_occur_ = occur;
  29   }
  30
  31   void SetRoot(scoped_ptr<EventTarget> root);
  32   void Reset();
  33
  34   // EventProcessor:
  35   bool CanDispatchToTarget(EventTarget* target) override;
  36   EventTarget* GetRootTarget() override;
  37   EventDispatchDetails OnEventFromSource(Event* event) override;
  38   void OnEventProcessingStarted(Event* event) override;
  39   void OnEventProcessingFinished(Event* event) override;
  40
  41  private:
  42   scoped_ptr<EventTarget> root_;
  43
  44   // Used in our override of OnEventProcessingStarted(). If this value is
  45   // false, mark incoming events as handled.
  46   bool should_processing_occur_;
  47
  48   // Counts the number of times OnEventProcessingStarted() has been called.
  49   int num_times_processing_started_;
  50
  51   // Counts the number of times OnEventProcessingFinished() has been called.
  52   int num_times_processing_finished_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(TestEventProcessor);
  55 };
  56
  57 }  // namespace test
  58 }  // namespace ui
  59
  60 #endif  // UI_EVENTS_TEST_TEST_EVENT_PROCESSOR_H_