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comparison nodejs/shapes.cc @ 748:56a5e08cd8af

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Make shapes can be removed from the tree
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 25 Aug 2010 18:46:47 +0800
parents dd1f3382d6a4
children ed59e659a202
comparison
equal deleted inserted replaced
747:d2f2ed27b84d 748:56a5e08cd8af
9 9
10 #ifndef ASSERT 10 #ifndef ASSERT
11 #define ASSERT(x) 11 #define ASSERT(x)
12 #endif 12 #endif
13 13
14 #define OK 0
15
14 using namespace v8; 16 using namespace v8;
15 17
16 /*! \defgroup xnjsmb_shapes JS binding for shapes. 18 /*! \defgroup xnjsmb_shapes JS binding for shapes.
17 * \ingroup xnjsmb 19 * \ingroup xnjsmb
18 * 20 *
19 * @{ 21 * @{
20 */ 22 */
23 /*! \brief This function is called when GC collecting a shape.
24 *
25 * It was installed by Persistent<Object>::MakeWeak().
26 */
27 static void
28 xnjsmb_shape_recycled(Persistent<Value> obj, void *parameter) {
29 Persistent<Object> *self_hdl = (Persistent<Object> *)parameter;
30 Handle<Object> js_rt;
31 redraw_man_t *rdman;
32 shape_t *shape;
33
34 shape = (shape_t *)UNWRAP(*self_hdl);
35 if(shape == NULL)
36 return;
37
38 WRAP(*self_hdl, NULL);
39
40 js_rt = GET(*self_hdl, "mbrt")->ToObject();
41 rdman = xnjsmb_rt_rdman(js_rt);
42 rdman_shape_changed(rdman, shape);
43 rdman_shape_free(rdman, shape);
44 }
45
21 static void 46 static void
22 xnjsmb_shape_mod(Handle<Object> self, shape_t *sh) { 47 xnjsmb_shape_mod(Handle<Object> self, shape_t *sh) {
23 Persistent<Object> *self_hdl; 48 Persistent<Object> *self_hdl;
24 49
25 /* Keep associated js object in property store for retrieving, 50 /* Keep associated js object in property store for retrieving,
26 * later, without create new js object. 51 * later, without create new js object.
27 */ 52 */
28 self_hdl = new Persistent<Object>(); 53 self_hdl = new Persistent<Object>();
29 *self_hdl = Persistent<Object>::New(self); 54 *self_hdl = Persistent<Object>::New(self);
30 mb_prop_set(&sh->obj.props, PROP_JSOBJ, self_hdl); 55 mb_prop_set(&sh->obj.props, PROP_JSOBJ, self_hdl);
56
57 self_hdl->MakeWeak(self_hdl, xnjsmb_shape_recycled);
31 } 58 }
32 59
33 static void 60 static void
34 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self, 61 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self,
35 Handle<Value> blks, const char **err) { 62 Handle<Value> blks, const char **err) {
100 if(sh_get_coord(sh)) 127 if(sh_get_coord(sh))
101 rdman_shape_changed(rdman, sh); 128 rdman_shape_changed(rdman, sh);
102 } 129 }
103 130
104 static void 131 static void
132 xnjsmb_shape_remove(shape_t *sh, Handle<Object> self) {
133 Handle<Object> js_rt;
134 redraw_man_t *rdman;
135 Persistent<Object> *self_hdl;
136 int r;
137
138 self_hdl = (Persistent<Object> *)mb_prop_get(&sh->obj.props,
139 PROP_JSOBJ);
140
141 SET(*self_hdl, "valid", Boolean::New(0));
142 WRAP(*self_hdl, NULL);
143
144 js_rt = GET(*self_hdl, "mbrt")->ToObject();
145 ASSERT(js_rt != NULL);
146 rdman = xnjsmb_rt_rdman(js_rt);
147
148 rdman_shape_changed(rdman, sh);
149 r = rdman_shape_free(rdman, sh);
150 if(r != OK)
151 THROW_noret("Can not free a shape for unknown reason");
152
153 delete self_hdl;
154 }
155
156 static void
105 xnjsmb_sh_rect_set(shape_t *sh, Handle<Object> self, float x, float y, 157 xnjsmb_sh_rect_set(shape_t *sh, Handle<Object> self, float x, float y,
106 float w, float h, float rx, float ry) { 158 float w, float h, float rx, float ry) {
107 Handle<Object> rt; 159 Handle<Object> rt;
108 redraw_man_t *rdman; 160 redraw_man_t *rdman;
109 161