1 /*
2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #undef IMPL
27
28 #include "config.h"
29
30 #include "DOMException.h"
31 #include <WebCore/Node.h>
32 #include <WebCore/NodeFilter.h>
33 #include <WebCore/TreeWalker.h>
34 #include <WebCore/JSMainThreadExecState.h>
35
36 #include <wtf/RefPtr.h>
37 #include <wtf/GetPtr.h>
38
39 #include "JavaDOMUtils.h"
40 #include <wtf/java/JavaEnv.h>
41
42 using namespace WebCore;
43
44 extern "C" {
45
46 #define IMPL (static_cast<TreeWalker*>(jlong_to_ptr(peer)))
47
48 JNIEXPORT void JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_dispose(JNIEnv*, jclass, jlong peer)
49 {
50 IMPL->deref();
51 }
52
53
54 // Attributes
55 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_getRootImpl(JNIEnv* env, jclass, jlong peer)
56 {
57 WebCore::JSMainThreadNullState state;
58 return JavaReturn<Node>(env, WTF::getPtr(IMPL->root()));
59 }
60
61 JNIEXPORT jint JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_getWhatToShowImpl(JNIEnv*, jclass, jlong peer)
62 {
63 WebCore::JSMainThreadNullState state;
64 return IMPL->whatToShow();
65 }
66
67 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_getFilterImpl(JNIEnv* env, jclass, jlong peer)
68 {
69 WebCore::JSMainThreadNullState state;
70 return JavaReturn<NodeFilter>(env, WTF::getPtr(IMPL->filter()));
71 }
72
73 JNIEXPORT jboolean JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_getExpandEntityReferencesImpl(JNIEnv*, jclass, jlong)
74 {
75 WebCore::JSMainThreadNullState state;
76 return JNI_FALSE;
77 }
78
79 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_getCurrentNodeImpl(JNIEnv* env, jclass, jlong peer)
80 {
81 WebCore::JSMainThreadNullState state;
82 return JavaReturn<Node>(env, WTF::getPtr(IMPL->currentNode()));
83 }
84
85 JNIEXPORT void JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_setCurrentNodeImpl(JNIEnv* env, jclass, jlong peer, jlong value)
86 {
87 WebCore::JSMainThreadNullState state;
88 if (!value) {
89 raiseTypeErrorException(env);
90 return;
91 }
92 IMPL->setCurrentNode(*static_cast<Node*>(jlong_to_ptr(value)));
93 }
94
95
96 // Functions
97 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_parentNodeImpl(JNIEnv* env, jclass, jlong peer)
98 {
99 WebCore::JSMainThreadNullState state;
100
101 auto result = IMPL->parentNode();
102 if (result.hasException()) {
103 return {};
104 }
105 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
106 }
107
108
109 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_firstChildImpl(JNIEnv* env, jclass, jlong peer)
110 {
111 WebCore::JSMainThreadNullState state;
112
113 auto result = IMPL->firstChild();
114 if (result.hasException()) {
115 return {};
116 }
117 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
118 }
119
120
121 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_lastChildImpl(JNIEnv* env, jclass, jlong peer)
122 {
123 WebCore::JSMainThreadNullState state;
124
125 auto result = IMPL->lastChild();
126 if (result.hasException()) {
127 return {};
128 }
129 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
130 }
131
132
133 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_previousSiblingImpl(JNIEnv* env, jclass, jlong peer)
134 {
135 WebCore::JSMainThreadNullState state;
136
137 auto result = IMPL->previousSibling();
138 if (result.hasException()) {
139 return {};
140 }
141 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
142 }
143
144
145 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_nextSiblingImpl(JNIEnv* env, jclass, jlong peer)
146 {
147 WebCore::JSMainThreadNullState state;
148
149 auto result = IMPL->nextSibling();
150 if (result.hasException()) {
151 return {};
152 }
153 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
154 }
155
156
157 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_previousNodeImpl(JNIEnv* env, jclass, jlong peer)
158 {
159 WebCore::JSMainThreadNullState state;
160
161 auto result = IMPL->previousNode();
162 if (result.hasException()) {
163 return {};
164 }
165 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
166 }
167
168
169 JNIEXPORT jlong JNICALL Java_com_sun_webkit_dom_TreeWalkerImpl_nextNodeImpl(JNIEnv* env, jclass, jlong peer)
170 {
171 WebCore::JSMainThreadNullState state;
172
173 auto result = IMPL->nextNode();
174 if (result.hasException()) {
175 return {};
176 }
177 return JavaReturn<Node>(env, WTF::getPtr(result.releaseReturnValue()));
178 }
179
180
181 }