2009-02-28 Dimitri Glazkov <dglazkov@chromium.org>
[WebKit-https.git] / WebCore / bindings / v8 / custom / V8TreeWalkerCustom.cpp
1 /*
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9  * notice, this list of conditions and the following disclaimer.
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11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
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16  * this software without specific prior written permission.
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29  */
30
31 #include "config.h"
32 #include "TreeWalker.h"
33
34 #include "Node.h"
35 #include "ScriptState.h"
36
37 #include "V8Binding.h"
38 #include "V8CustomBinding.h"
39 #include "V8Proxy.h"
40
41 #include <wtf/PassRefPtr.h>
42 #include <wtf/RefPtr.h>
43
44 namespace WebCore {
45
46 static inline v8::Handle<v8::Value> toV8(PassRefPtr<Node> object, ScriptState* state)
47 {
48     if (state->hadException())
49         return throwError(state->exception());
50
51     if (!object)
52         return v8::Null();
53
54     return V8Proxy::NodeToV8Object(object.get());
55 }
56
57 CALLBACK_FUNC_DECL(TreeWalkerParentNode)
58 {
59     INC_STATS("DOM.TreeWalker.parentNode()");
60     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
61
62     ScriptState state;
63     RefPtr<Node> result = treeWalker->parentNode(&state);
64     return toV8(result.release(), &state);
65 }
66
67 CALLBACK_FUNC_DECL(TreeWalkerFirstChild)
68 {
69     INC_STATS("DOM.TreeWalker.firstChild()");
70     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
71
72     ScriptState state;
73     RefPtr<Node> result = treeWalker->firstChild(&state);
74     return toV8(result.release(), &state);
75 }
76
77 CALLBACK_FUNC_DECL(TreeWalkerLastChild)
78 {
79     INC_STATS("DOM.TreeWalker.lastChild()");
80     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
81
82     ScriptState state;
83     RefPtr<Node> result = treeWalker->lastChild(&state);
84     return toV8(result.release(), &state);
85 }
86
87 CALLBACK_FUNC_DECL(TreeWalkerNextNode)
88 {
89     INC_STATS("DOM.TreeWalker.nextNode()");
90     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
91
92     ScriptState state;
93     RefPtr<Node> result = treeWalker->nextNode(&state);
94     return toV8(result.release(), &state);
95 }
96
97 CALLBACK_FUNC_DECL(TreeWalkerPreviousNode)
98 {
99     INC_STATS("DOM.TreeWalker.previousNode()");
100     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
101
102     ScriptState state;
103     RefPtr<Node> result = treeWalker->previousNode(&state);
104     return toV8(result.release(), &state);
105 }
106
107 CALLBACK_FUNC_DECL(TreeWalkerNextSibling)
108 {
109     INC_STATS("DOM.TreeWalker.nextSibling()");
110     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
111
112     ScriptState state;
113     RefPtr<Node> result = treeWalker->nextSibling(&state);
114     return toV8(result.release(), &state);
115 }
116
117 CALLBACK_FUNC_DECL(TreeWalkerPreviousSibling)
118 {
119     INC_STATS("DOM.TreeWalker.previousSibling()");
120     TreeWalker* treeWalker = V8Proxy::ToNativeObject<TreeWalker>(V8ClassIndex::TREEWALKER, args.Holder());
121
122     ScriptState state;
123     RefPtr<Node> result = treeWalker->previousSibling(&state);
124     return toV8(result.release(), &state);
125 }
126
127 } // namespace WebCore