Ejemplo n.º 1
0
/**
 * HTMLCollection item(long) method
 *
 * param  - index - the index of the element to get
 * return - the HTMLElement at index
 */
JSBool jhtml_collection_item(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	int index;
	int32 dIndex = 0;
	WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
	WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
	if (!jsmgr)
	{
		return JS_FALSE;
	}
	HTMLDocument *pDoc = jsmgr->GetDocument();
	if (!pDoc)
	{
		return JS_FALSE;
	}

	//if we have at least 1 argument and it is a number
	if (argc > 0 && JSVAL_IS_INT(argv[0]))
	{
		//convert the jsval to a number
		JS_ValueToInt32(cx, argv[0], &dIndex);
		index = (int)dIndex;
		HTMLElementType ele_type = HTML_ELEMENT_NONE;
		jhtml_collection *pColl = (jhtml_collection*)jhutil_GetPrivate(cx, obj);
		if (!pColl)
		{
			return JS_FALSE;
		}
		HTMLElement *pElem = 0;
		switch(pColl->finderType)
		{
			case DOCUMENT_IMAGES:
				ele_type = HTML_IMAGE_ELEMENT;
				break;

			case DOCUMENT_ANCHORS:
				ele_type = HTML_ANCHOR_ELEMENT;
				break;

			case TABLE_ROWS:
				ele_type = HTML_TABLE_ROW_ELEMENT;
				break;

			case TABLEROW_CELLS:
				ele_type = HTML_TABLE_CELL_ELEMENT;
				break;

			case MAP_AREAS:
				ele_type = HTML_AREA_ELEMENT;
				break;

			case SELECT_OPTIONS:
				ele_type = HTML_OPTION_ELEMENT;
				break;

			case WIN_FRAMES:
			{
				*rval = JSVAL_NULL;
			  #if (WEBC_SUPPORT_FRAMES)
				HTMLNthOfTypeFinder finder(HTML_FRAME_ELEMENT, index);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				if (pElem)
				{
					HTMLFrame *pFrame = (HTMLFrame *) pElem;
					if (pFrame->FrameDocument() && pFrame->FrameDocument()->GetJSMgr())
					{
						*rval = OBJECT_TO_JSVAL(pFrame->FrameDocument()->GetJSMgr()->GetGlobalObject());
					}
				}
			  #endif // WEBC_SUPPORT_FRAMES
				return JS_TRUE;
			}

			case ELEMENT_NODES:
			{
				HTMLNthOfAnyTypeFinder finder(index);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_NODES_DEFAULT);
				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}
				return JS_TRUE;
			}

			case DOCUMENT_FORMS:
			{
				HTMLElementTypeFinder formFinder(HTML_FORM_ELEMENT);
				HTMLNthElementFinder nthFormFinder(&formFinder, index);

				pElem = pDoc->FindElement(&nthFormFinder);

				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}
				return JS_TRUE;
			}

            case DOCUMENT_IDS:
			{
				HTMLNthOfAnyTypeFinder finder(index);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}
				return JS_TRUE;
			}

			case DOCUMENT_ALL:
			{
				HTMLNthOfAnyTypeFinder finder(index);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}
				return JS_TRUE;
			}

			case ALL_BY_NAME:
			{
				//get the nth item with name...
				HTMLNthByNameFinder finder(pColl->nameOfAll, index);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);

				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}

				return JS_TRUE;
			}

			case ALL_TAGS_BY_TAGNAME:
			{
				//get the nth item with the specified tag name...
				HTMLTagType hType = HTML_ParseTagType(pColl->nameOfAll, webc_strlen(pColl->nameOfAll));
				HTMLElementType eType = TagToHTMLElementType[hType];
				HTMLNthOfTypeFinder finder(eType, index);
				pElem = pColl->pTop->FindElement(&finder, 1, WEBC_FALSE);

				if (pElem)
				{
					*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
				}
				else
				{
					*rval = JSVAL_NULL;
				}

				return JS_TRUE;
			}

			case FORM_INPUTS:
			{
				//for this type of collection, the top will always be of type form
				HTMLForm *form = (HTMLForm *)pColl->pTop;
				if (form)
				{
					pElem = jutils_GetNthOfObjectList(form->GetFieldVector(),
					                                  index,
					                                  _matchInput,
					                                  0);

					if (pElem)
					{
						*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
					}
					else
					{
						*rval = JSVAL_NULL;
					}

					return JS_TRUE;
				}
				break;
			}

			case DOCUMENT_STYLESHEETS:
			{
#if (WEBC_SUPPORT_STYLE_SHEETS)
				//GMP this needs to be revisited if CSS is changed to have more than 1 style sheet
				*rval = OBJECT_TO_JSVAL(pDoc->GetCSSContext()->GetJSObject());
#else
				*rval = JSVAL_NULL;
#endif
				return JS_TRUE;
			}

			case SSHEET_RULES:
			{
#if (WEBC_SUPPORT_STYLE_SHEETS)
				/*int i = 0;
				CSSDocumentContext *pCSSCx = pDoc->GetCSSContext();
				if (pCSSCx)
				{
					vector_iterator pvi[1];
					CSSPropertyDescriptor *pCSSPD = pCSSCx->EnumFirstProperty(pvi);
					while(pCSSPD)
					{
						if ( i == index)
						{
							*rval = OBJECT_TO_JSVAL(pCSSPD->GetJSObject());
							return JS_TRUE;
						}
						i++;
						pCSSPD = pCSSCx->EnumNextProperty(pvi);
					}
				}*/
#endif // (WEBC_SUPPORT_STYLE_SHEETS)
				return JS_TRUE;
			}

			case RADIO_BUTTONS:
			{
				HTMLRadioButton *pRadio = (HTMLRadioButton*)pColl->pTop;
				while (index > 0)
				{
					index--;
					pRadio = (pRadio->mpGroupNext != pColl->pTop)
						? pRadio->mpGroupNext : 0;
				}

				if (pRadio)
				{
					*rval = OBJECT_TO_JSVAL(pRadio->CreateJSObject());
					return JS_TRUE;
				}
			}
			break;

		}//end switch

		if (ele_type != HTML_ELEMENT_NONE)
		{
			HTMLNthOfTypeFinder finder(ele_type, index);
			pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
		}

		if (pElem)
		{
			*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
		}
		else
		{
			*rval = JSVAL_NULL;
		}

		return JS_TRUE;
	}//end if
	else if (argc > 0 && JSVAL_IS_STRING(argv[0]))
	{
		//MSIE allows for the item method to take a srting that corresponds to the name
		//therefore we call namedItem instead
		return jhtml_collection_namedItem(cx, obj, argc, argv, rval);
	}
	*rval = JSVAL_NULL;
	return JS_TRUE;
}
Ejemplo n.º 2
0
/**
 * HTMLCollection namedItem(long) method
 *
 * param - name - the name of the element to get
 * return - the first htmlelement in the tree with the given name
 */
JSBool jhtml_collection_namedItem(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
	WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
	if (!jsmgr)
	{
		return JS_FALSE;
	}
	HTMLDocument *pDoc = jsmgr->GetDocument();
	if (!pDoc)
	{
		return JS_FALSE;
	}
	HTMLElementType ele_type = HTML_ELEMENT_NONE;
	//if we have atleast one argument and it is a string
	if (argc > 0 && JSVAL_IS_STRINGABLE(argv[0]))
	{
		//conver the JSString to char *
		WEBC_CHAR *name = WEBC_JS_STRING_TO_WEBC_STRING(JS_ValueToString(cx, argv[0]));
		if (!name || !(*name))
		{
			*rval = JSVAL_NULL;
			return JS_TRUE;;
		}

		if (webc_c_stricmp(name, "toString")==0)
		{
				return JS_TRUE;
		}

		jhtml_collection *pColl = (jhtml_collection*)jhutil_GetPrivate(cx, obj);
		if (!pColl)
			return JS_TRUE;

		HTMLElement *pElem = 0;
		switch(pColl->finderType)
		{
			case DOCUMENT_IMAGES:
				ele_type = HTML_IMAGE_ELEMENT;
				break;

			case DOCUMENT_ANCHORS:
				ele_type = HTML_ANCHOR_ELEMENT;
				break;

			case TABLE_ROWS:
				ele_type = HTML_TABLE_ROW_ELEMENT;
				break;

			case TABLEROW_CELLS:
				ele_type = HTML_TABLE_CELL_ELEMENT;
				break;

			case MAP_AREAS:
				ele_type = HTML_AREA_ELEMENT;
				break;

			case SELECT_OPTIONS:
				ele_type = HTML_OPTION_ELEMENT;
				break;

			case WIN_FRAMES:
			{
			  #if (WEBC_SUPPORT_FRAMES)
				HTMLTypeAndNameOrIdFinder finder(name, HTML_FRAME_ELEMENT);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				if (pElem)
				{
					HTMLFrame *pFrame = (HTMLFrame *) pElem;
					if (pFrame->FrameDocument() && pFrame->FrameDocument()->GetJSMgr())
					{
						*rval = OBJECT_TO_JSVAL(pFrame->FrameDocument()->GetJSMgr()->GetGlobalObject());
						return JS_TRUE;
					}
				}
				*rval = JSVAL_NULL;
			  #endif // WEBC_SUPPORT_FRAMES

				return JS_TRUE;
			}

			case DOCUMENT_FORMS:
			{
				WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
				WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
				if (jsmgr)
				{
					HTMLNameOrIdFinder nameFinder(name);
					HTMLElementTypeFinder formFinder(HTML_FORM_ELEMENT);
					HTMLElementAndFinder formNameFinder(&nameFinder, &formFinder);

					HTMLDocument *pDoc = jsmgr->GetDocument();
					pElem = pDoc->FindElement(&formNameFinder);
				}
				break;
			}

			case DOCUMENT_ALL:
			{
				HTMLNameOrIdFinder  finder(name);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				break;
			}
			case DOCUMENT_IDS:
			{
				HTMLNameOrIdFinder  finder(name);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				break;
			}

			case ALL_BY_NAME:
			{
				HTMLElementByNameFinder finder(name);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
				break;
			}

			case ALL_TAGS_BY_TAGNAME:
			{
				if(pColl && pColl->nameOfAll)
				{
					HTMLTagType hType = HTML_ParseTagType(pColl->nameOfAll, webc_strlen(pColl->nameOfAll));
					HTMLElementType eType = TagToHTMLElementType[hType];

					HTMLNameTypeFinder finder(name, eType);
					// TODO this should probably restrict to a specific tag name
					pElem = pColl->pTop->FindElement(&finder, 1, WEBC_FALSE);
				}
				break;
			}

			case ELEMENT_NODES:
			{
				HTMLNameOrIdFinder finder(name);
				pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_NODES_DEFAULT);
				break;
			}

			case FORM_INPUTS:
			{
				//for this type of collection, the top will always be of type form
				HTMLForm *form = (HTMLForm *)pColl->pTop;
				if (form && name && *name)
				{
					pElem = jutils_CheckObjectList(form->GetFieldVector(), _matchInputByNameOrId, (WEBC_PFBYTE)name);
				}//end if
				break;
			}

			case DOCUMENT_STYLESHEETS:
			{
#if (WEBC_SUPPORT_STYLE_SHEETS)
				//GMP this needs to be revisited if CSS is changed to have more than 1 style sheet
#endif
				break;
			}

			case SSHEET_RULES:
			{
#if (WEBC_SUPPORT_STYLE_SHEETS)
				CSSDocumentContext *pCSSCx= pDoc->GetCSSContext();
	/*			if (pCSSCx)
				{
					int i = 0;
					vector_iterator pvi[1];
					CSSPropertyDescriptor * pCSSPD = pCSSCx->EnumFirstProperty(pvi);
					while (pCSSPD)
					{
						char *cName = pCSSPD->EnumFirstClass();
						while (cName)
						{
							if (tc_stricmp(cName, name) == 0)
							{
								*rval = OBJECT_TO_JSVAL(pCSSPD->GetJSObject());
								return JS_TRUE;
							}
							pCSSPD->EnumNextClass();
						}
						pCSSPD = pCSSCx->EnumNextProperty(pvi);
					}
				}*/
#endif //(WEBC_SUPPORT_STYLE_SHEETS)
				return JS_TRUE;
			}

			case RADIO_BUTTONS:
			{
				HTMLRadioButton *pRadio = (HTMLRadioButton *) pColl->pTop;

				if (name)
				{
					while (pRadio && pRadio->Value() && webc_stricmp(name, pRadio->Value()))
					{
						pRadio = (pRadio->mpGroupNext != pColl->pTop)? pRadio->mpGroupNext : 0;
					}
				}

				if (pRadio)
				{
					*rval = OBJECT_TO_JSVAL(pRadio->CreateJSObject());
					return JS_TRUE;
				}

				break;
			}

			default:
				break;
		}//end switch

		if (ele_type != HTML_ELEMENT_NONE)
		{
			HTMLTypeAndNameOrIdFinder finder(name, ele_type);
			pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
		}

		if (pElem)
		{
			*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
		}

		return JS_TRUE;
	}//end if

	*rval = JSVAL_NULL;

	return JS_TRUE;
}