C++ (Cpp) get_js_context示例

示例#1

文件： js_animate.cpp 项目： rampr/native-ios

static inline void build_style_frame(anim_frame *frame, JSObject *target) {

	#define ADD_PROP(const_name, prop)								\
		_ADD_PROP(const_name, prop, false);							\
		_ADD_PROP(const_name, d ## prop, true);

	#define _ADD_PROP(const_name, prop, _is_delta) do {				\
		jsval value;												\
		JS_GetProperty(cx, target, #prop, &value);					\
		double prop_val;											\
		JS_ValueToNumber(cx, value, &prop_val);						\
		if (!isnan(prop_val)) {										\
			style_prop *p = anim_frame_add_style_prop(frame);		\
			p->name = const_name;									\
			p->is_delta = _is_delta;								\
			p->target = prop_val;									\
		}															\
	} while(0)
	JSContext *cx = get_js_context();
	ADD_PROP(X, x);
	ADD_PROP(Y, y);
	ADD_PROP(WIDTH, width);
	ADD_PROP(HEIGHT, height);
	ADD_PROP(R, r);
	ADD_PROP(ANCHOR_X, anchorX);
	ADD_PROP(ANCHOR_Y, anchorY);
	ADD_PROP(OPACITY, opacity);
	ADD_PROP(SCALE, scale);

	frame->type = STYLE_FRAME;
}

示例#2

文件： js_animate.cpp 项目： rampr/native-ios

void def_animate_cb(void *view, void *cb, double tt, double t) {
	JSObject *js_view = (JSObject*)view;
	JSObject *js_cb = (JSObject*)cb;
	jsval args[2] = {DOUBLE_TO_JSVAL(tt),DOUBLE_TO_JSVAL(t)};
	JSContext *cx = get_js_context();

	JS_BeginRequest(cx);
	
	jsval ret;
	JS_CallFunctionValue(cx, js_view, OBJECT_TO_JSVAL(js_cb), 2, args, &ret);

	JS_EndRequest(cx);
}

示例#3

文件： js_animate.cpp 项目： rampr/native-ios

void def_animate_finish(void *a) {
	JSObject *js_anim = (JSObject*)a;
	LOGFN("js_animate_finish");
	JSContext *cx = get_js_context();

	JS_BeginRequest(cx);

	view_animation *anim = (view_animation *)JS_GetPrivate(js_anim);
	JSObject *js_group = (JSObject*)anim->js_group;
	jsval finish_val;
	JS_GetProperty(cx, js_group, "onAnimationFinish", &finish_val);
	if (JSVAL_IS_OBJECT(finish_val)) {
		JSObject *finish = JSVAL_TO_OBJECT(finish_val);
		jsval args[] = {OBJECT_TO_JSVAL(js_anim)};
		if (JS_ObjectIsFunction(cx, finish)) {
			jsval ret;
			JS_CallFunctionValue(cx, js_group, finish_val, 1, args, &ret);
		}
	}

	JS_EndRequest(cx);

	LOGFN("end def_animate_finish");
}

示例#4

文件： js_timestep_image_map_template.gen.cpp 项目： SpielmeisterCompany/native-ios

CEXPORT void timestep_image_map_add_to_object(JSObject *parent) {
	JSContext *cx = get_js_context();
	JS_InitClass(cx, parent, NULL, (JSClass*)&timestep_image_map_class, def_timestep_image_map_class_constructor,
		12, (JSPropertySpec *)properties, (JSFunctionSpec *)functions, NULL, NULL);
}

示例#5

文件： js_animate_template.gen.cpp 项目： debarko/native-ios

CEXPORT void animate_add_to_object(JSObject *parent) {
	JSContext *cx = get_js_context();
	JS_InitClass(cx, parent, NULL, (JSClass*)&animate_class, def_animate_class_constructor,
		2, (JSPropertySpec *)properties, (JSFunctionSpec *)functions, NULL, NULL);
}