src/content/common/input/synthetic_web_input_event_builders.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 CONTENT_COMMON_INPUT_SYNTHETIC_WEB_INPUT_EVENT_BUILDERS_H_
   6 #define CONTENT_COMMON_INPUT_SYNTHETIC_WEB_INPUT_EVENT_BUILDERS_H_
   7
   8 #include "base/time/time.h"
   9 #include "content/common/content_export.h"
  10 #include "third_party/WebKit/public/web/WebInputEvent.h"
  11
  12 // Provides sensible creation of default WebInputEvents for testing purposes.
  13
  14 namespace content {
  15
  16 class CONTENT_EXPORT SyntheticWebMouseEventBuilder {
  17  public:
  18   static blink::WebMouseEvent Build(blink::WebInputEvent::Type type);
  19   static blink::WebMouseEvent Build(blink::WebInputEvent::Type type,
  20                                     int window_x,
  21                                     int window_y,
  22                                     int modifiers);
  23 };
  24
  25 class CONTENT_EXPORT SyntheticWebMouseWheelEventBuilder {
  26  public:
  27   static blink::WebMouseWheelEvent Build(
  28       blink::WebMouseWheelEvent::Phase phase);
  29   static blink::WebMouseWheelEvent Build(float dx,
  30                                          float dy,
  31                                          int modifiers,
  32                                          bool precise);
  33 };
  34
  35 class CONTENT_EXPORT SyntheticWebKeyboardEventBuilder {
  36  public:
  37   static blink::WebKeyboardEvent Build(blink::WebInputEvent::Type type);
  38 };
  39
  40 class CONTENT_EXPORT SyntheticWebGestureEventBuilder {
  41  public:
  42   static blink::WebGestureEvent Build(blink::WebInputEvent::Type type,
  43                                       blink::WebGestureDevice source_device);
  44   static blink::WebGestureEvent BuildScrollBegin(float dx_hint,
  45                                                  float dy_hint);
  46   static blink::WebGestureEvent BuildScrollUpdate(float dx,
  47                                                   float dy,
  48                                                   int modifiers);
  49   static blink::WebGestureEvent BuildPinchUpdate(
  50       float scale,
  51       float anchor_x,
  52       float anchor_y,
  53       int modifiers,
  54       blink::WebGestureDevice source_device);
  55   static blink::WebGestureEvent BuildFling(
  56       float velocity_x,
  57       float velocity_y,
  58       blink::WebGestureDevice source_device);
  59 };
  60
  61 class CONTENT_EXPORT SyntheticWebTouchEvent
  62     : public NON_EXPORTED_BASE(blink::WebTouchEvent) {
  63  public:
  64   SyntheticWebTouchEvent();
  65
  66   // Mark all the points as stationary, and remove any released points.
  67   void ResetPoints();
  68
  69   // Adds an additional point to the touch list, returning the point's index.
  70   int PressPoint(float x, float y);
  71   void MovePoint(int index, float x, float y);
  72   void ReleasePoint(int index);
  73   void CancelPoint(int index);
  74
  75   void SetTimestamp(base::TimeDelta timestamp);
  76 };
  77
  78 }  // namespace content
  79
  80 #endif  // CONTENT_COMMON_INPUT_SYNTHETIC_WEB_INPUT_EVENT_BUILDERS_H_