1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Mozilla SVG project.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Arpad Borsos <arpad.borsos@googlemail.com>
19 : * Portions created by the Initial Developer are Copyright (C) 2009
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Arpad Borsos <arpad.borsos@googlemail.com> (original author)
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #include "nsSVGTextContentElement.h"
40 : #include "DOMSVGPoint.h"
41 :
42 : using namespace mozilla;
43 :
44 : //----------------------------------------------------------------------
45 : // nsISupports methods
46 :
47 0 : NS_IMPL_ADDREF_INHERITED(nsSVGTextContentElement, nsSVGTextContentElementBase)
48 0 : NS_IMPL_RELEASE_INHERITED(nsSVGTextContentElement, nsSVGTextContentElementBase)
49 :
50 0 : NS_INTERFACE_MAP_BEGIN(nsSVGTextContentElement)
51 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMSVGTests)
52 0 : NS_INTERFACE_MAP_END_INHERITING(nsSVGTextContentElementBase)
53 :
54 : /* readonly attribute nsIDOMSVGAnimatedLength textLength; */
55 0 : NS_IMETHODIMP nsSVGTextContentElement::GetTextLength(nsIDOMSVGAnimatedLength * *aTextLength)
56 : {
57 0 : NS_NOTYETIMPLEMENTED("nsSVGTextContentElement::GetTextLength");
58 0 : return NS_ERROR_NOT_IMPLEMENTED;
59 : }
60 :
61 : /* readonly attribute nsIDOMSVGAnimatedEnumeration lengthAdjust; */
62 0 : NS_IMETHODIMP nsSVGTextContentElement::GetLengthAdjust(nsIDOMSVGAnimatedEnumeration * *aLengthAdjust)
63 : {
64 0 : NS_NOTYETIMPLEMENTED("nsSVGTextContentElement::GetLengthAdjust");
65 0 : return NS_ERROR_NOT_IMPLEMENTED;
66 : }
67 :
68 : /* long getNumberOfChars (); */
69 0 : NS_IMETHODIMP nsSVGTextContentElement::GetNumberOfChars(PRInt32 *_retval)
70 : {
71 0 : *_retval = 0;
72 :
73 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
74 0 : if (metrics)
75 0 : *_retval = metrics->GetNumberOfChars();
76 :
77 0 : return NS_OK;
78 : }
79 :
80 : /* float getComputedTextLength (); */
81 0 : NS_IMETHODIMP nsSVGTextContentElement::GetComputedTextLength(float *_retval)
82 : {
83 0 : *_retval = 0.0;
84 :
85 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
86 0 : if (metrics)
87 0 : *_retval = metrics->GetComputedTextLength();
88 :
89 0 : return NS_OK;
90 : }
91 :
92 : /* float getSubStringLength (in unsigned long charnum, in unsigned long nchars); */
93 0 : NS_IMETHODIMP nsSVGTextContentElement::GetSubStringLength(PRUint32 charnum, PRUint32 nchars, float *_retval)
94 : {
95 0 : *_retval = 0.0f;
96 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
97 0 : if (!metrics)
98 0 : return NS_OK;
99 :
100 0 : PRUint32 charcount = metrics->GetNumberOfChars();
101 0 : if (charcount <= charnum || nchars > charcount - charnum)
102 0 : return NS_ERROR_DOM_INDEX_SIZE_ERR;
103 :
104 0 : if (nchars == 0)
105 0 : return NS_OK;
106 :
107 0 : *_retval = metrics->GetSubStringLength(charnum, nchars);
108 0 : return NS_OK;
109 : }
110 :
111 : /* nsIDOMSVGPoint getStartPositionOfChar (in unsigned long charnum); */
112 0 : NS_IMETHODIMP nsSVGTextContentElement::GetStartPositionOfChar(PRUint32 charnum, nsIDOMSVGPoint **_retval)
113 : {
114 0 : *_retval = nsnull;
115 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
116 :
117 0 : if (!metrics) return NS_ERROR_FAILURE;
118 :
119 0 : return metrics->GetStartPositionOfChar(charnum, _retval);
120 : }
121 :
122 : /* nsIDOMSVGPoint getEndPositionOfChar (in unsigned long charnum); */
123 0 : NS_IMETHODIMP nsSVGTextContentElement::GetEndPositionOfChar(PRUint32 charnum, nsIDOMSVGPoint **_retval)
124 : {
125 0 : *_retval = nsnull;
126 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
127 :
128 0 : if (!metrics) return NS_ERROR_FAILURE;
129 :
130 0 : return metrics->GetEndPositionOfChar(charnum, _retval);
131 : }
132 :
133 : /* nsIDOMSVGRect getExtentOfChar (in unsigned long charnum); */
134 0 : NS_IMETHODIMP nsSVGTextContentElement::GetExtentOfChar(PRUint32 charnum, nsIDOMSVGRect **_retval)
135 : {
136 0 : *_retval = nsnull;
137 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
138 :
139 0 : if (!metrics) return NS_ERROR_FAILURE;
140 :
141 0 : return metrics->GetExtentOfChar(charnum, _retval);
142 : }
143 :
144 : /* float getRotationOfChar (in unsigned long charnum); */
145 0 : NS_IMETHODIMP nsSVGTextContentElement::GetRotationOfChar(PRUint32 charnum, float *_retval)
146 : {
147 0 : *_retval = 0.0;
148 :
149 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
150 :
151 0 : if (!metrics) return NS_ERROR_FAILURE;
152 :
153 0 : return metrics->GetRotationOfChar(charnum, _retval);
154 : }
155 :
156 : /* long getCharNumAtPosition (in nsIDOMSVGPoint point); */
157 0 : NS_IMETHODIMP nsSVGTextContentElement::GetCharNumAtPosition(nsIDOMSVGPoint *point, PRInt32 *_retval)
158 : {
159 0 : nsCOMPtr<DOMSVGPoint> p = do_QueryInterface(point);
160 0 : if (!p)
161 0 : return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;
162 :
163 0 : *_retval = -1;
164 :
165 0 : nsSVGTextContainerFrame* metrics = GetTextContainerFrame();
166 0 : if (metrics)
167 0 : *_retval = metrics->GetCharNumAtPosition(point);
168 :
169 0 : return NS_OK;
170 : }
171 :
172 : /* void selectSubString (in unsigned long charnum, in unsigned long nchars); */
173 0 : NS_IMETHODIMP nsSVGTextContentElement::SelectSubString(PRUint32 charnum, PRUint32 nchars)
174 : {
175 0 : NS_NOTYETIMPLEMENTED("nsSVGTextContentElement::SelectSubString");
176 0 : return NS_ERROR_NOT_IMPLEMENTED;
177 : }
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