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1 /*
2  * Copyright (C) 2010 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 /*
32   EventSender class:
33   Bound to a JavaScript window.eventSender object using
34   CppBoundClass::bindToJavascript(), this allows layout tests to fire DOM events.
35 */
36 
37 #ifndef EventSender_h
38 #define EventSender_h
39 
40 #include "CppBoundClass.h"
41 #include "Task.h"
42 #include "WebDragOperation.h"
43 #include "WebInputEvent.h"
44 #include "WebPoint.h"
45 
46 class TestShell;
47 
48 namespace WebKit {
49 class WebDragData;
50 class WebView;
51 }
52 
53 class EventSender : public CppBoundClass {
54 public:
55     // Builds the property and method lists needed to bind this class to a JS
56     // object.
57     EventSender(TestShell*);
58 
59     // Resets some static variable state.
60     void reset();
61 
62     // Simulate drag&drop system call.
63     void doDragDrop(const WebKit::WebDragData&, WebKit::WebDragOperationsMask);
64 
65     // JS callback methods.
66     void mouseDown(const CppArgumentList&, CppVariant*);
67     void mouseUp(const CppArgumentList&, CppVariant*);
68     void mouseMoveTo(const CppArgumentList&, CppVariant*);
69     void leapForward(const CppArgumentList&, CppVariant*);
70     void keyDown(const CppArgumentList&, CppVariant*);
71     void dispatchMessage(const CppArgumentList&, CppVariant*);
72     void textZoomIn(const CppArgumentList&, CppVariant*);
73     void textZoomOut(const CppArgumentList&, CppVariant*);
74     void zoomPageIn(const CppArgumentList&, CppVariant*);
75     void zoomPageOut(const CppArgumentList&, CppVariant*);
76     void mouseScrollBy(const CppArgumentList&, CppVariant*);
77     void continuousMouseScrollBy(const CppArgumentList&, CppVariant*);
78     void scheduleAsynchronousClick(const CppArgumentList&, CppVariant*);
79     void beginDragWithFiles(const CppArgumentList&, CppVariant*);
80     CppVariant dragMode;
81 
82     void addTouchPoint(const CppArgumentList&, CppVariant*);
83     void cancelTouchPoint(const CppArgumentList&, CppVariant*);
84     void clearTouchPoints(const CppArgumentList&, CppVariant*);
85     void releaseTouchPoint(const CppArgumentList&, CppVariant*);
86     void setTouchModifier(const CppArgumentList&, CppVariant*);
87     void touchCancel(const CppArgumentList&, CppVariant*);
88     void touchEnd(const CppArgumentList&, CppVariant*);
89     void touchMove(const CppArgumentList&, CppVariant*);
90     void touchStart(const CppArgumentList&, CppVariant*);
91     void updateTouchPoint(const CppArgumentList&, CppVariant*);
92 
93     // Unimplemented stubs
94     void contextClick(const CppArgumentList&, CppVariant*);
95     void enableDOMUIEventLogging(const CppArgumentList&, CppVariant*);
96     void fireKeyboardEventsToElement(const CppArgumentList&, CppVariant*);
97     void clearKillRing(const CppArgumentList&, CppVariant*);
98 
99     // Properties used in layout tests.
100 #if defined(OS_WIN)
101     CppVariant wmKeyDown;
102     CppVariant wmKeyUp;
103     CppVariant wmChar;
104     CppVariant wmDeadChar;
105     CppVariant wmSysKeyDown;
106     CppVariant wmSysKeyUp;
107     CppVariant wmSysChar;
108     CppVariant wmSysDeadChar;
109 #endif
110 
taskList()111     TaskList* taskList() { return &m_taskList; }
112 
113 private:
114     // Returns the test shell's webview.
115     WebKit::WebView* webview();
116 
117     // Returns true if dragMode is true.
isDragMode()118     bool isDragMode() { return dragMode.isBool() && dragMode.toBoolean(); }
119 
120     // Sometimes we queue up mouse move and mouse up events for drag drop
121     // handling purposes.  These methods dispatch the event.
122     void doMouseMove(const WebKit::WebMouseEvent&);
123     void doMouseUp(const WebKit::WebMouseEvent&);
124     static void doLeapForward(int milliseconds);
125     void replaySavedEvents();
126 
127     // Helper to return the button type given a button code
128     static WebKit::WebMouseEvent::Button getButtonTypeFromButtonNumber(int);
129 
130     // Helper to extract the button number from the optional argument in
131     // mouseDown and mouseUp
132     static int getButtonNumberFromSingleArg(const CppArgumentList&);
133 
134     // Returns true if the specified key code passed in needs a shift key
135     // modifier to be passed into the generated event.
136     bool needsShiftModifier(int);
137 
138     void updateClickCountForButton(WebKit::WebMouseEvent::Button);
139 
140     // Compose a touch event from the current touch points and send it.
141     void sendCurrentTouchEvent(const WebKit::WebInputEvent::Type);
142 
143     // Handle a request to send a wheel event.
144     void handleMouseWheel(const CppArgumentList&, CppVariant*, bool continuous);
145 
146     TaskList m_taskList;
147 
148     // Non-owning pointer.  The EventSender is owned by the TestShell.
149     TestShell* m_shell;
150 
151     // Location of last mouseMoveTo event.
152     static WebKit::WebPoint lastMousePos;
153 
154     // Currently pressed mouse button (Left/Right/Middle or None)
155     static WebKit::WebMouseEvent::Button pressedButton;
156 
157     // The last button number passed to mouseDown and mouseUp.
158     // Used to determine whether the click count continues to
159     // increment or not.
160     static WebKit::WebMouseEvent::Button lastButtonType;
161 };
162 
163 #endif // EventSender_h
164