1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
// Copyright (c) 2006-2008 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.
#include "config.h"
#include "webkit/glue/event_conversion.h"
#include "EventNames.h"
#include "FrameView.h"
#include "KeyboardCodes.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "StringImpl.h" // This is so that the KJS build works
#include "PlatformKeyboardEvent.h"
#include "PlatformMouseEvent.h"
#include "PlatformWheelEvent.h"
#include "Widget.h"
#undef LOG
#include "base/gfx/point.h"
#include "base/logging.h"
#include "webkit/api/public/WebInputEvent.h"
#include "webkit/api/public/WebKit.h"
#include "webkit/glue/glue_util.h"
#include "webkit/glue/webkit_glue.h"
using namespace WebCore;
using WebKit::WebInputEvent;
using WebKit::WebKeyboardEvent;
using WebKit::WebMouseEvent;
using WebKit::WebMouseWheelEvent;
// MakePlatformMouseEvent -----------------------------------------------------
MakePlatformMouseEvent::MakePlatformMouseEvent(Widget* widget,
const WebMouseEvent& e) {
// TODO(mpcomplete): widget is always toplevel, unless it's a popup. We
// may be able to get rid of this once we abstract popups into a WebKit API.
m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y));
m_globalPosition = IntPoint(e.globalX, e.globalY);
m_button = static_cast<MouseButton>(e.button);
m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0;
m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0;
m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0;
m_modifierFlags = e.modifiers;
m_timestamp = e.timeStampSeconds;
m_clickCount = e.clickCount;
switch (e.type) {
case WebInputEvent::MouseMove:
case WebInputEvent::MouseLeave: // synthesize a move event
m_eventType = MouseEventMoved;
break;
case WebInputEvent::MouseDown:
m_eventType = MouseEventPressed;
break;
case WebInputEvent::MouseUp:
m_eventType = MouseEventReleased;
break;
default:
NOTREACHED() << "unexpected mouse event type";
}
}
// MakePlatformWheelEvent -----------------------------------------------------
MakePlatformWheelEvent::MakePlatformWheelEvent(Widget* widget,
const WebMouseWheelEvent& e) {
m_position = widget->convertFromContainingWindow(IntPoint(e.x, e.y));
m_globalPosition = IntPoint(e.globalX, e.globalY);
m_deltaX = e.deltaX;
m_deltaY = e.deltaY;
m_wheelTicksX = e.wheelTicksX;
m_wheelTicksY = e.wheelTicksY;
m_isAccepted = false;
m_granularity = e.scrollByPage ?
ScrollByPageWheelEvent : ScrollByPixelWheelEvent;
m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0;
m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0;
m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0;
}
// MakePlatformKeyboardEvent --------------------------------------------------
static inline const PlatformKeyboardEvent::Type ToPlatformKeyboardEventType(
WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::KeyUp:
return PlatformKeyboardEvent::KeyUp;
case WebInputEvent::KeyDown:
return PlatformKeyboardEvent::KeyDown;
case WebInputEvent::RawKeyDown:
return PlatformKeyboardEvent::RawKeyDown;
case WebInputEvent::Char:
return PlatformKeyboardEvent::Char;
default:
ASSERT_NOT_REACHED();
}
return PlatformKeyboardEvent::KeyDown;
}
MakePlatformKeyboardEvent::MakePlatformKeyboardEvent(
const WebKeyboardEvent& e) {
m_type = ToPlatformKeyboardEventType(e.type);
m_text = WebCore::String(e.text);
m_unmodifiedText = WebCore::String(e.unmodifiedText);
m_keyIdentifier = WebCore::String(e.keyIdentifier);
m_autoRepeat = (e.modifiers & WebInputEvent::IsAutoRepeat) != 0;
m_windowsVirtualKeyCode = e.windowsKeyCode;
m_nativeVirtualKeyCode = e.nativeKeyCode;
m_isKeypad = (e.modifiers & WebInputEvent::IsKeyPad) != 0;
m_shiftKey = (e.modifiers & WebInputEvent::ShiftKey) != 0;
m_ctrlKey = (e.modifiers & WebInputEvent::ControlKey) != 0;
m_altKey = (e.modifiers & WebInputEvent::AltKey) != 0;
m_metaKey = (e.modifiers & WebInputEvent::MetaKey) != 0;
m_isSystemKey = e.isSystemKey;
}
void MakePlatformKeyboardEvent::SetKeyType(Type type) {
// According to the behavior of Webkit in Windows platform,
// we need to convert KeyDown to RawKeydown and Char events
// See WebKit/WebKit/Win/WebView.cpp
ASSERT(m_type == KeyDown);
ASSERT(type == RawKeyDown || type == Char);
m_type = type;
if (type == RawKeyDown) {
m_text = String();
m_unmodifiedText = String();
} else {
m_keyIdentifier = String();
m_windowsVirtualKeyCode = 0;
}
}
// Please refer to bug http://b/issue?id=961192, which talks about Webkit
// keyboard event handling changes. It also mentions the list of keys
// which don't have associated character events.
bool MakePlatformKeyboardEvent::IsCharacterKey() const {
switch (windowsVirtualKeyCode()) {
case VKEY_BACK:
case VKEY_ESCAPE:
return false;
default:
break;
}
return true;
}
static int GetWebInputModifiers(const WebCore::UIEventWithKeyState& event) {
int modifiers = 0;
if (event.ctrlKey())
modifiers |= WebInputEvent::ControlKey;
if (event.shiftKey())
modifiers |= WebInputEvent::ShiftKey;
if (event.altKey())
modifiers |= WebInputEvent::AltKey;
if (event.metaKey())
modifiers |= WebInputEvent::MetaKey;
return modifiers;
}
bool ToWebMouseEvent(const WebCore::FrameView& view,
const WebCore::MouseEvent& event,
WebKit::WebMouseEvent* web_event) {
if (event.type() == WebCore::eventNames().mousemoveEvent) {
web_event->type = WebInputEvent::MouseMove;
} else if (event.type() == WebCore::eventNames().mouseoutEvent) {
web_event->type = WebInputEvent::MouseLeave;
} else if (event.type() == WebCore::eventNames().mouseoverEvent) {
web_event->type = WebInputEvent::MouseEnter;
} else if (event.type() == WebCore::eventNames().mousedownEvent) {
web_event->type = WebInputEvent::MouseDown;
} else if (event.type() == WebCore::eventNames().mouseupEvent) {
web_event->type = WebInputEvent::MouseUp;
} else {
// Skip all other mouse events.
return false;
}
web_event->timeStampSeconds = event.timeStamp() * 1.0e-3;
switch (event.button()) {
case WebCore::LeftButton:
web_event->button = WebMouseEvent::ButtonLeft;
break;
case WebCore::MiddleButton:
web_event->button = WebMouseEvent::ButtonMiddle;
break;
case WebCore::RightButton:
web_event->button = WebMouseEvent::ButtonRight;
break;
}
web_event->modifiers = GetWebInputModifiers(event);
if (event.buttonDown()) {
switch (event.button()) {
case WebCore::LeftButton:
web_event->modifiers |= WebInputEvent::LeftButtonDown;
break;
case WebCore::MiddleButton:
web_event->modifiers |= WebInputEvent::MiddleButtonDown;
break;
case WebCore::RightButton:
web_event->modifiers |= WebInputEvent::RightButtonDown;
break;
}
}
WebCore::IntPoint p = view.contentsToWindow(WebCore::IntPoint(event.pageX(),
event.pageY()));
web_event->globalX = event.screenX();
web_event->globalY = event.screenY();
web_event->windowX = p.x();
web_event->windowY = p.y();
web_event->x = event.offsetX();
web_event->y = event.offsetY();
return true;
}
bool ToWebKeyboardEvent(const WebCore::KeyboardEvent& event,
WebKeyboardEvent* web_event) {
if (event.type() == WebCore::eventNames().keydownEvent) {
web_event->type = WebInputEvent::KeyDown;
} else if (event.type() == WebCore::eventNames().keyupEvent) {
web_event->type = WebInputEvent::KeyUp;
} else {
// Skip all other keyboard events.
return false;
}
web_event->modifiers = GetWebInputModifiers(event);
web_event->timeStampSeconds = event.timeStamp() * 1.0e-3;
web_event->windowsKeyCode = event.keyCode();
web_event->nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode();
return true;
}
|
