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      1 /*
      2  * Copyright (C) 2009 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 WebInputEventConversion_h
     32 #define WebInputEventConversion_h
     33 
     34 #include "WebInputEvent.h"
     35 
     36 #include "PlatformKeyboardEvent.h"
     37 #include "PlatformMouseEvent.h"
     38 #include "PlatformTouchEvent.h"
     39 #include "PlatformWheelEvent.h"
     40 
     41 namespace WebCore {
     42 class KeyboardEvent;
     43 class MouseEvent;
     44 class ScrollView;
     45 class WheelEvent;
     46 class Widget;
     47 }
     48 
     49 namespace WebKit {
     50 
     51 class WebMouseEvent;
     52 class WebMouseWheelEvent;
     53 class WebKeyboardEvent;
     54 
     55 // These classes are used to convert from WebInputEvent subclasses to
     56 // corresponding WebCore events.
     57 
     58 class PlatformMouseEventBuilder : public WebCore::PlatformMouseEvent {
     59 public:
     60     PlatformMouseEventBuilder(WebCore::Widget*, const WebMouseEvent&);
     61 };
     62 
     63 class PlatformWheelEventBuilder : public WebCore::PlatformWheelEvent {
     64 public:
     65     PlatformWheelEventBuilder(WebCore::Widget*, const WebMouseWheelEvent&);
     66 };
     67 
     68 class PlatformKeyboardEventBuilder : public WebCore::PlatformKeyboardEvent {
     69 public:
     70     PlatformKeyboardEventBuilder(const WebKeyboardEvent&);
     71     void setKeyType(Type);
     72     bool isCharacterKey() const;
     73 };
     74 
     75 #if ENABLE(TOUCH_EVENTS)
     76 class PlatformTouchPointBuilder : public WebCore::PlatformTouchPoint {
     77 public:
     78     PlatformTouchPointBuilder(WebCore::Widget*, const WebTouchPoint&);
     79 };
     80 
     81 class PlatformTouchEventBuilder : public WebCore::PlatformTouchEvent {
     82 public:
     83     PlatformTouchEventBuilder(WebCore::Widget*, const WebTouchEvent&);
     84 };
     85 #endif
     86 
     87 // Converts a WebCore::MouseEvent to a corresponding WebMouseEvent. view is
     88 // the ScrollView corresponding to the event.
     89 // NOTE: This is only implemented for mousemove, mouseover, mouseout,
     90 // mousedown and mouseup.  If the event mapping fails, the event type will
     91 // be set to Undefined.
     92 class WebMouseEventBuilder : public WebMouseEvent {
     93 public:
     94     WebMouseEventBuilder(const WebCore::Widget*, const WebCore::MouseEvent&);
     95 };
     96 
     97 // Converts a WebCore::WheelEvent to a corresponding WebMouseWheelEvent.
     98 // If the event mapping fails, the event type will be set to Undefined.
     99 class WebMouseWheelEventBuilder : public WebMouseWheelEvent {
    100 public:
    101     WebMouseWheelEventBuilder(const WebCore::Widget*, const WebCore::WheelEvent&);
    102 };
    103 
    104 // Converts a WebCore::KeyboardEvent to a corresponding WebKeyboardEvent.
    105 // NOTE: This is only implemented for keydown and keyup.  If the event mapping
    106 // fails, the event type will be set to Undefined.
    107 class WebKeyboardEventBuilder : public WebKeyboardEvent {
    108 public:
    109     WebKeyboardEventBuilder(const WebCore::KeyboardEvent&);
    110 };
    111 
    112 } // namespace WebKit
    113 
    114 #endif
    115