1 /*
2 * Copyright (C) 2010, 2011 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "EventSendingController.h"
28
29 #include "InjectedBundle.h"
30 #include "InjectedBundlePage.h"
31 #include "JSEventSendingController.h"
32 #include <WebKit2/WKBundleFrame.h>
33 #include <WebKit2/WKBundlePagePrivate.h>
34 #include <WebKit2/WKBundlePrivate.h>
35
36 namespace WTR {
37
38 static const float ZoomMultiplierRatio = 1.2f;
39
operator ==(const WKPoint & a,const WKPoint & b)40 static bool operator==(const WKPoint& a, const WKPoint& b)
41 {
42 return a.x == b.x && a.y == b.y;
43 }
44
parseModifier(JSStringRef modifier)45 static WKEventModifiers parseModifier(JSStringRef modifier)
46 {
47 if (JSStringIsEqualToUTF8CString(modifier, "ctrlKey"))
48 return kWKEventModifiersControlKey;
49 if (JSStringIsEqualToUTF8CString(modifier, "shiftKey") || JSStringIsEqualToUTF8CString(modifier, "rangeSelectionKey"))
50 return kWKEventModifiersShiftKey;
51 if (JSStringIsEqualToUTF8CString(modifier, "altKey"))
52 return kWKEventModifiersAltKey;
53 if (JSStringIsEqualToUTF8CString(modifier, "metaKey") || JSStringIsEqualToUTF8CString(modifier, "addSelectionKey"))
54 return kWKEventModifiersMetaKey;
55 return 0;
56 }
57
arrayLength(JSContextRef context,JSObjectRef array)58 static unsigned arrayLength(JSContextRef context, JSObjectRef array)
59 {
60 JSRetainPtr<JSStringRef> lengthString(Adopt, JSStringCreateWithUTF8CString("length"));
61 JSValueRef lengthValue = JSObjectGetProperty(context, array, lengthString.get(), 0);
62 if (!lengthValue)
63 return 0;
64 return static_cast<unsigned>(JSValueToNumber(context, lengthValue, 0));
65 }
66
parseModifierArray(JSContextRef context,JSValueRef arrayValue)67 static WKEventModifiers parseModifierArray(JSContextRef context, JSValueRef arrayValue)
68 {
69 if (!arrayValue)
70 return 0;
71 if (!JSValueIsObject(context, arrayValue))
72 return 0;
73 JSObjectRef array = const_cast<JSObjectRef>(arrayValue);
74 unsigned length = arrayLength(context, array);
75 WKEventModifiers modifiers = 0;
76 for (unsigned i = 0; i < length; i++) {
77 JSValueRef exception = 0;
78 JSValueRef value = JSObjectGetPropertyAtIndex(context, array, i, &exception);
79 if (exception)
80 continue;
81 JSRetainPtr<JSStringRef> string(Adopt, JSValueToStringCopy(context, value, &exception));
82 if (exception)
83 continue;
84 modifiers |= parseModifier(string.get());
85 }
86 return modifiers;
87 }
88
create()89 PassRefPtr<EventSendingController> EventSendingController::create()
90 {
91 return adoptRef(new EventSendingController);
92 }
93
EventSendingController()94 EventSendingController::EventSendingController()
95 : m_time(0)
96 , m_position()
97 , m_clickCount(0)
98 , m_clickTime(0)
99 , m_clickPosition()
100 , m_clickButton(kWKEventMouseButtonNoButton)
101 {
102 }
103
~EventSendingController()104 EventSendingController::~EventSendingController()
105 {
106 }
107
wrapperClass()108 JSClassRef EventSendingController::wrapperClass()
109 {
110 return JSEventSendingController::eventSendingControllerClass();
111 }
112
mouseDown(int button,JSValueRef modifierArray)113 void EventSendingController::mouseDown(int button, JSValueRef modifierArray)
114 {
115 WKBundlePageRef page = InjectedBundle::shared().page()->page();
116 WKBundleFrameRef frame = WKBundlePageGetMainFrame(page);
117 JSContextRef context = WKBundleFrameGetJavaScriptContext(frame);
118 WKEventModifiers modifiers = parseModifierArray(context, modifierArray);
119 updateClickCount(button);
120 WKBundlePageSimulateMouseDown(page, button, m_position, m_clickCount, modifiers, m_time);
121 }
122
mouseUp(int button,JSValueRef modifierArray)123 void EventSendingController::mouseUp(int button, JSValueRef modifierArray)
124 {
125 WKBundlePageRef page = InjectedBundle::shared().page()->page();
126 WKBundleFrameRef frame = WKBundlePageGetMainFrame(page);
127 JSContextRef context = WKBundleFrameGetJavaScriptContext(frame);
128 WKEventModifiers modifiers = parseModifierArray(context, modifierArray);
129 updateClickCount(button);
130 WKBundlePageSimulateMouseUp(page, button, m_position, m_clickCount, modifiers, m_time);
131 }
132
mouseMoveTo(int x,int y)133 void EventSendingController::mouseMoveTo(int x, int y)
134 {
135 m_position.x = x;
136 m_position.y = y;
137 WKBundlePageSimulateMouseMotion(InjectedBundle::shared().page()->page(), m_position, m_time);
138 }
139
leapForward(int milliseconds)140 void EventSendingController::leapForward(int milliseconds)
141 {
142 m_time += milliseconds / 1000.0;
143 }
144
updateClickCount(WKEventMouseButton button)145 void EventSendingController::updateClickCount(WKEventMouseButton button)
146 {
147 if (m_time - m_clickTime < 1 && m_position == m_clickPosition && button == m_clickButton) {
148 ++m_clickCount;
149 m_clickTime = m_time;
150 return;
151 }
152
153 m_clickCount = 1;
154 m_clickTime = m_time;
155 m_clickPosition = m_position;
156 m_clickButton = button;
157 }
158
textZoomIn()159 void EventSendingController::textZoomIn()
160 {
161 // Ensure page zoom is reset.
162 WKBundlePageSetPageZoomFactor(InjectedBundle::shared().page()->page(), 1);
163
164 double zoomFactor = WKBundlePageGetTextZoomFactor(InjectedBundle::shared().page()->page());
165 WKBundlePageSetTextZoomFactor(InjectedBundle::shared().page()->page(), zoomFactor * ZoomMultiplierRatio);
166 }
167
textZoomOut()168 void EventSendingController::textZoomOut()
169 {
170 // Ensure page zoom is reset.
171 WKBundlePageSetPageZoomFactor(InjectedBundle::shared().page()->page(), 1);
172
173 double zoomFactor = WKBundlePageGetTextZoomFactor(InjectedBundle::shared().page()->page());
174 WKBundlePageSetTextZoomFactor(InjectedBundle::shared().page()->page(), zoomFactor / ZoomMultiplierRatio);
175 }
176
zoomPageIn()177 void EventSendingController::zoomPageIn()
178 {
179 // Ensure text zoom is reset.
180 WKBundlePageSetTextZoomFactor(InjectedBundle::shared().page()->page(), 1);
181
182 double zoomFactor = WKBundlePageGetPageZoomFactor(InjectedBundle::shared().page()->page());
183 WKBundlePageSetPageZoomFactor(InjectedBundle::shared().page()->page(), zoomFactor * ZoomMultiplierRatio);
184 }
185
zoomPageOut()186 void EventSendingController::zoomPageOut()
187 {
188 // Ensure text zoom is reset.
189 WKBundlePageSetTextZoomFactor(InjectedBundle::shared().page()->page(), 1);
190
191 double zoomFactor = WKBundlePageGetPageZoomFactor(InjectedBundle::shared().page()->page());
192 WKBundlePageSetPageZoomFactor(InjectedBundle::shared().page()->page(), zoomFactor / ZoomMultiplierRatio);
193 }
194
scalePageBy(double scale,double x,double y)195 void EventSendingController::scalePageBy(double scale, double x, double y)
196 {
197 WKPoint origin = { x, y };
198 WKBundlePageSetScaleAtOrigin(InjectedBundle::shared().page()->page(), scale, origin);
199 }
200
201 // Object Creation
202
makeWindowObject(JSContextRef context,JSObjectRef windowObject,JSValueRef * exception)203 void EventSendingController::makeWindowObject(JSContextRef context, JSObjectRef windowObject, JSValueRef* exception)
204 {
205 setProperty(context, windowObject, "eventSender", this, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete, exception);
206 }
207
208 } // namespace WTR
209