Send wheel gestures from event sender.

components/test_runner/event_sender.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 COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_
 #define COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_
 
 #include <stdint.h>
 
 #include <queue>
@@ skipping 53 matching lines @@
   void MouseDown(int button_number, int modifiers);
   void MouseUp(int button_number, int modifiers);
   void SetMouseButtonState(int button_number, int modifiers);
 
   void KeyDown(const std::string& code_str,
                int modifiers,
                KeyLocationCode location);
 
   WebTaskList* mutable_task_list() { return &task_list_; }
 
+  void set_send_wheel_gestures(bool send_wheel_gestures) {
+    send_wheel_gestures_ = send_wheel_gestures;
+  }
+
  private:
   friend class EventSenderBindings;
 
   struct SavedEvent {
     enum SavedEventType {
       TYPE_UNSPECIFIED,
       TYPE_MOUSE_UP,
       TYPE_MOUSE_MOVE,
       TYPE_LEAP_FORWARD
     };
 
     SavedEvent();
 
     SavedEventType type;
     blink::WebMouseEvent::Button button_type;  // For MouseUp.
     blink::WebPoint pos;                       // For MouseMove.
     int milliseconds;                          // For LeapForward.
     int modifiers;
   };
 
+  enum class MouseScrollType { PIXEL, TICK };
+
   void EnableDOMUIEventLogging();
   void FireKeyboardEventsToElement();
   void ClearKillRing();
 
   std::vector<std::string> ContextClick();
 
   void TextZoomIn();
   void TextZoomOut();
 
   void ZoomPageIn();
@@ skipping 24 matching lines @@
   void TouchMoveCausingScrollIfUncanceled();
   void TouchCancel();
   void TouchEnd();
 
   void LeapForward(int milliseconds);
 
   void BeginDragWithFiles(const std::vector<std::string>& files);
 
   void AddTouchPoint(float x, float y, gin::Arguments* args);
 
-  void MouseDragBegin();
-  void MouseDragEnd();
-
   void GestureScrollBegin(gin::Arguments* args);
   void GestureScrollEnd(gin::Arguments* args);
   void GestureScrollUpdate(gin::Arguments* args);
   void GesturePinchBegin(gin::Arguments* args);
   void GesturePinchEnd(gin::Arguments* args);
   void GesturePinchUpdate(gin::Arguments* args);
   void GestureTap(gin::Arguments* args);
   void GestureTapDown(gin::Arguments* args);
   void GestureShowPress(gin::Arguments* args);
   void GestureTapCancel(gin::Arguments* args);
   void GestureLongPress(gin::Arguments* args);
   void GestureLongTap(gin::Arguments* args);
   void GestureTwoFingerTap(gin::Arguments* args);
 
-  void ContinuousMouseScrollBy(gin::Arguments* args);
+  void MouseScrollBy(gin::Arguments* args, MouseScrollType scroll_type);
   void MouseMoveTo(gin::Arguments* args);
   void MouseLeave();
-  void TrackpadScrollBegin();
-  void TrackpadScroll(gin::Arguments* args);
-  void TrackpadScrollEnd();
-  void MouseScrollBy(gin::Arguments* args);
   void ScheduleAsynchronousClick(int button_number, int modifiers);
   void ScheduleAsynchronousKeyDown(const std::string& code_str,
                                    int modifiers,
                                    KeyLocationCode location);
 
   double GetCurrentEventTimeSec();
 
   void DoLeapForward(int milliseconds);
 
   void SendCurrentTouchEvent(blink::WebInputEvent::Type, bool);
 
   void GestureEvent(blink::WebInputEvent::Type,
                     gin::Arguments*);
 
   void UpdateClickCountForButton(blink::WebMouseEvent::Button);
 
   void InitMouseWheelEvent(gin::Arguments* args,
-                           bool continuous,
-                           blink::WebMouseWheelEvent* event);
+                           MouseScrollType scroll_type,
+                           blink::WebMouseWheelEvent* event,
+                           bool* send_gestures);
   void InitPointerProperties(gin::Arguments* args,
                              blink::WebPointerProperties* e,
                              float* radius_x,
                              float* radius_y);
 
   void FinishDragAndDrop(const blink::WebMouseEvent&, blink::WebDragOperation);
 
   void DoMouseUp(const blink::WebMouseEvent&);
   void DoMouseMove(const blink::WebMouseEvent&);
   void ReplaySavedEvents();
   blink::WebInputEventResult HandleInputEventOnViewOrPopup(
       const blink::WebInputEvent&);
 
+  void SendGesturesForMouseWheelEvent(
+      const blink::WebMouseWheelEvent wheel_event);
+
   double last_event_timestamp() { return last_event_timestamp_; }
 
   bool force_layout_on_events() const { return force_layout_on_events_; }
   void set_force_layout_on_events(bool force) {
     force_layout_on_events_ = force;
   }
 
   bool is_drag_mode() const { return is_drag_mode_; }
   void set_is_drag_mode(bool drag_mode) { is_drag_mode_ = drag_mode; }
 
@@ skipping 35 matching lines @@
   int wm_sys_char_;
   int wm_sys_dead_char_;
 #endif
 
   WebTaskList task_list_;
 
   TestInterfaces* interfaces_;
   WebTestDelegate* delegate_;
   blink::WebView* view_;
 
+  bool send_wheel_gestures_;
   bool force_layout_on_events_;
 
   // When set to true (the default value), we batch mouse move and mouse up
   // events so we can simulate drag & drop.
   bool is_drag_mode_;
 
   int touch_modifiers_;
   bool touch_cancelable_;
   std::vector<blink::WebTouchPoint> touch_points_;
 
@@ skipping 38 matching lines @@
   double last_event_timestamp_;
 
   base::WeakPtrFactory<EventSender> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EventSender);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_EVENT_SENDER_H_