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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebInputEventFactory_h
     32 #define WebInputEventFactory_h
     33 
     34 #include "../../platform/WebCommon.h"
     35 #include "../WebInputEvent.h"
     36 
     37 namespace blink {
     38 
     39 class WebKeyboardEvent;
     40 
     41 class WebInputEventFactory {
     42 public:
     43     enum MouseEventType {
     44         MouseEventTypeDown = 0,
     45         MouseEventTypeUp,
     46         MouseEventTypeMove,
     47     };
     48 
     49     enum MouseWheelDirectionType {
     50         MouseWheelDirectionTypeUp = 0,
     51         MouseWheelDirectionTypeDown,
     52         MouseWheelDirectionTypeLeft,
     53         MouseWheelDirectionTypeRight,
     54     };
     55 
     56     BLINK_EXPORT static WebKeyboardEvent keyboardEvent(WebInputEvent::Type,
     57                                                         int modifiers,
     58                                                         double timeStampSeconds,
     59                                                         int keycode,
     60                                                         WebUChar unicodeCharacter,
     61                                                         bool isSystemKey);
     62 
     63     BLINK_EXPORT static WebMouseEvent mouseEvent(MouseEventType,
     64                                                   WebMouseEvent::Button,
     65                                                   double timeStampSeconds,
     66                                                   int windowX,
     67                                                   int windowY,
     68                                                   int modifiers,
     69                                                   int clickCount);
     70 
     71     BLINK_EXPORT static WebMouseWheelEvent mouseWheelEvent(MouseWheelDirectionType,
     72                                                             double timeStampSeconds,
     73                                                             int windowX,
     74                                                             int windowY);
     75 
     76     BLINK_EXPORT static WebGestureEvent gestureEvent(WebInputEvent::Type,
     77                                                       double timeStampSeconds,
     78                                                       int x,
     79                                                       int y,
     80                                                       float deltaX,
     81                                                       float deltaY,
     82                                                       int modifiers);
     83 
     84     BLINK_EXPORT static WebGestureEvent gestureEvent(WebInputEvent::Type,
     85                                                       double timeStampSeconds,
     86                                                       int x,
     87                                                       int y,
     88                                                       int modifiers);
     89 
     90     BLINK_EXPORT static bool isSystemKeyEvent(const WebKeyboardEvent&);
     91 };
     92 
     93 } // namespace blink
     94 
     95 #endif
     96