1 /*
2 Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
3 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19 */
20
21 #include "config.h"
22 #if ENABLE(SVG)
23 #include "SVGDocument.h"
24
25 #include "EventNames.h"
26 #include "ExceptionCode.h"
27 #include "FrameView.h"
28 #include "RenderView.h"
29 #include "SVGElement.h"
30 #include "SVGNames.h"
31 #include "SVGSVGElement.h"
32 #include "SVGViewSpec.h"
33 #include "SVGZoomEvent.h"
34 #include "SVGZoomAndPan.h"
35
36 namespace WebCore {
37
SVGDocument(Frame * frame)38 SVGDocument::SVGDocument(Frame* frame)
39 : Document(frame, false, false)
40 {
41 }
42
~SVGDocument()43 SVGDocument::~SVGDocument()
44 {
45 }
46
rootElement() const47 SVGSVGElement* SVGDocument::rootElement() const
48 {
49 Element* elem = documentElement();
50 if (elem && elem->hasTagName(SVGNames::svgTag))
51 return static_cast<SVGSVGElement*>(elem);
52
53 return 0;
54 }
55
dispatchZoomEvent(float prevScale,float newScale)56 void SVGDocument::dispatchZoomEvent(float prevScale, float newScale)
57 {
58 ExceptionCode ec = 0;
59 RefPtr<SVGZoomEvent> event = static_pointer_cast<SVGZoomEvent>(createEvent("SVGZoomEvents", ec));
60 event->initEvent(eventNames().zoomEvent, true, false);
61 event->setPreviousScale(prevScale);
62 event->setNewScale(newScale);
63 rootElement()->dispatchEvent(event.release(), ec);
64 }
65
dispatchScrollEvent()66 void SVGDocument::dispatchScrollEvent()
67 {
68 ExceptionCode ec = 0;
69 RefPtr<Event> event = createEvent("SVGEvents", ec);
70 event->initEvent(eventNames().scrollEvent, true, false);
71 rootElement()->dispatchEvent(event.release(), ec);
72 }
73
zoomAndPanEnabled() const74 bool SVGDocument::zoomAndPanEnabled() const
75 {
76 if (rootElement()) {
77 if (rootElement()->useCurrentView()) {
78 if (rootElement()->currentView())
79 return rootElement()->currentView()->zoomAndPan() == SVGZoomAndPan::SVG_ZOOMANDPAN_MAGNIFY;
80 } else
81 return rootElement()->zoomAndPan() == SVGZoomAndPan::SVG_ZOOMANDPAN_MAGNIFY;
82 }
83
84 return false;
85 }
86
startPan(const FloatPoint & start)87 void SVGDocument::startPan(const FloatPoint& start)
88 {
89 if (rootElement())
90 m_translate = FloatPoint(start.x() - rootElement()->currentTranslate().x(), rootElement()->currentTranslate().y() + start.y());
91 }
92
updatePan(const FloatPoint & pos) const93 void SVGDocument::updatePan(const FloatPoint& pos) const
94 {
95 if (rootElement()) {
96 rootElement()->setCurrentTranslate(FloatPoint(pos.x() - m_translate.x(), m_translate.y() - pos.y()));
97 if (renderer())
98 renderer()->repaint();
99 }
100 }
101
childShouldCreateRenderer(Node * node) const102 bool SVGDocument::childShouldCreateRenderer(Node* node) const
103 {
104 if (node->hasTagName(SVGNames::svgTag))
105 return static_cast<SVGSVGElement*>(node)->isValid();
106 return true;
107 }
108
109 }
110
111 // vim:ts=4:noet
112 #endif // ENABLE(SVG)
113