2006-01-27 22:23:17 -05:00
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/* Exports struct view_state to the world of ECMAScript */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include "elinks.h"
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#include "ecmascript/spidermonkey/util.h"
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#include "protocol/uri.h"
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2006-06-10 14:02:10 -04:00
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#include "scripting/smjs/elinks_object.h"
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2006-01-27 22:23:17 -05:00
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#include "scripting/smjs/view_state_object.h"
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#include "scripting/smjs/core.h"
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2006-06-10 14:02:10 -04:00
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#include "session/history.h"
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#include "session/location.h"
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#include "session/session.h"
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2006-01-27 22:23:17 -05:00
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#include "util/error.h"
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#include "util/memory.h"
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#include "viewer/text/vs.h"
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enum view_state_prop {
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VIEW_STATE_PLAIN,
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VIEW_STATE_URI,
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};
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static const JSPropertySpec view_state_props[] = {
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{ "plain", VIEW_STATE_PLAIN, JSPROP_ENUMERATE },
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{ "uri", VIEW_STATE_URI, JSPROP_ENUMERATE | JSPROP_READONLY },
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{ NULL }
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};
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static JSBool
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view_state_get_property(JSContext *ctx, JSObject *obj, jsval id, jsval *vp)
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{
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struct view_state *vs = JS_GetPrivate(ctx, obj);
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undef_to_jsval(ctx, vp);
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if (!JSVAL_IS_INT(id))
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return JS_FALSE;
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switch (JSVAL_TO_INT(id)) {
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case VIEW_STATE_PLAIN:
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*vp = INT_TO_JSVAL(vs->plain);
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return JS_TRUE;
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case VIEW_STATE_URI:
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*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(smjs_ctx,
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struri(vs->uri)));
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return JS_TRUE;
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default:
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INTERNAL("Invalid ID %d in view_state_get_property().",
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JSVAL_TO_INT(id));
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}
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return JS_FALSE;
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}
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static JSBool
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view_state_set_property(JSContext *ctx, JSObject *obj, jsval id, jsval *vp)
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{
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struct view_state *vs = JS_GetPrivate(ctx, obj);
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if (!JSVAL_IS_INT(id))
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return JS_FALSE;
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switch (JSVAL_TO_INT(id)) {
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case VIEW_STATE_PLAIN: {
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vs->plain = atol(jsval_to_string(ctx, vp));
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return JS_TRUE;
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}
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default:
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INTERNAL("Invalid ID %d in view_state_set_property().",
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JSVAL_TO_INT(id));
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}
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return JS_FALSE;
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}
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static const JSClass view_state_class = {
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"view_state",
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JSCLASS_HAS_PRIVATE,
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JS_PropertyStub, JS_PropertyStub,
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view_state_get_property, view_state_set_property,
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JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
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};
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JSObject *
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smjs_get_view_state_object(struct view_state *vs)
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{
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JSObject *view_state_object;
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assert(smjs_ctx);
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view_state_object = JS_NewObject(smjs_ctx,
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(JSClass *) &view_state_class,
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NULL, NULL);
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if (!view_state_object) return NULL;
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if (JS_FALSE == JS_SetPrivate(smjs_ctx, view_state_object, vs))
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return NULL;
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if (JS_FALSE == JS_DefineProperties(smjs_ctx, view_state_object,
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(JSPropertySpec *) view_state_props))
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return NULL;
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return view_state_object;
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}
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2006-06-10 14:02:10 -04:00
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static JSBool
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smjs_elinks_get_view_state(JSContext *ctx, JSObject *obj, jsval id, jsval *vp)
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{
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JSObject *vs_obj;
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struct view_state *vs;
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*vp = JSVAL_NULL;
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2006-06-10 22:33:41 -04:00
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if (!smjs_ses || !have_location(smjs_ses)) return JS_TRUE;
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2006-06-10 14:02:10 -04:00
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vs = &cur_loc(smjs_ses)->vs;
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if (!vs) return JS_TRUE;
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vs_obj = smjs_get_view_state_object(vs);
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if (!vs_obj) return JS_TRUE;
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*vp = OBJECT_TO_JSVAL(vs_obj);
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return JS_TRUE;
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}
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void
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smjs_init_view_state_interface(void)
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{
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if (!smjs_ctx || !smjs_elinks_object)
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return;
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JS_DefineProperty(smjs_ctx, smjs_elinks_object, "vs", JSVAL_NULL,
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smjs_elinks_get_view_state, JS_PropertyStub,
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JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
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}
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