--- a/webengine/wmlengine/src/xhtml/src/Frame/XHTMLFrameElementHandler.cpp Mon May 03 13:32:15 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,379 +0,0 @@
-/*
-* Copyright (c) 2000 - 2003 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-#include "nw_frame_frameelementhandleri.h"
-
-#include "nw_xhtml_xhtmlcontenthandler.h"
-#include "nw_hed_hedeventhandler.h"
-#include "nw_hed_documentroot.h"
-#include "nw_lmgr_activecontainerbox.h"
-#include "nw_lmgr_textbox.h"
-#include "nw_lmgr_breakbox.h"
-#include "nw_evt_activateevent.h"
-#include "nw_evt_focusevent.h"
-#include "nw_xhtml_xhtml_1_0_tokens.h"
-#include "nwx_url_utils.h"
-#include "nwx_settings.h"
-#include "nwx_http_defs.h"
-
-/* ------------------------------------------------------------------------- *
- private method
- * ------------------------------------------------------------------------- */
-
- /*
- Get the URL in base tag defined in header, this value can be used to combine with
- relative URL to figure out the absolute URL.
-*/
-static TBrowserStatusCode
-NW_XHTML_frameElementHandler_getBaseTagUrl (NW_XHTML_ContentHandler_t* contentHandler,
- NW_Text_t** srcVal);
-
-/* ------------------------------------------------------------------------- */
-static
-NW_LMgr_Box_t*
-NW_XHTML_frameElementHandler_ImodeCreateBox(const NW_XHTML_ElementHandler_t* elementHandler,
- NW_XHTML_ContentHandler_t* contentHandler,
- NW_DOM_ElementNode_t* elementNode)
-{
- NW_Text_t* srcVal = NULL;
- NW_LMgr_ActiveContainerBox_t* box = NULL;
- NW_Ucs2* storage = NULL;
- NW_Uint8 freeNeeded;
- NW_Text_Length_t charCount;
- NW_HED_EventHandler_t* eventHandler = NULL;
-
- NW_REQUIRED_PARAM(elementHandler);
-
- // find the 'src' attribute and get its string value
- if (NW_DOM_ElementNode_getTagToken(elementNode) == NW_XHTML_ElementToken_frame)
- {
- NW_XHTML_GetDOMAttribute (contentHandler,
- elementNode,
- NW_XHTML_AttributeToken_src, &srcVal);
-
- // if there is no 'src' value, see if an 'href' value is specified
- if (!srcVal)
- {
- NW_XHTML_GetDOMAttribute (contentHandler,
- elementNode,
- NW_XHTML_AttributeToken_href, &srcVal);
- }
-
- if (!srcVal)
- {
- NW_XHTML_frameElementHandler_getBaseTagUrl (contentHandler, &srcVal);
- }
- }
-
- if (srcVal)
- {
- NW_Ucs4 character;
- NW_Url_Schema_t scheme = NW_SCHEMA_INVALID;
- TBrowserStatusCode schemeStatus = KBrsrSuccess;
-
- storage = (NW_Ucs2*)
- NW_Text_GetUCS2Buffer (srcVal, NW_Text_Flags_Aligned, &charCount,
- &freeNeeded);
-
- if (!storage )
- {
- NW_Object_Delete(srcVal);
- return NULL;
- }
-
- // we do not want to handle frame links within a page (i.e. src values that start with '#')
- character = NW_Text_GetAt( srcVal, 0 );
-
- if( character == '#' )
- {
- NW_Object_Delete(srcVal);
- if (freeNeeded){
- NW_Str_Delete(storage);
- }
- return NULL;
- }
-
- /* At this point, only interested if there is a scheme present. Philosophy is
- to present EVERYTHING to the user - except bad TEL/MAILTO links. If there is a problem
- with a URL, it should be caught later when the anchor is selected/used. */
- schemeStatus = NW_Url_GetScheme(storage, &scheme);
-
- /* We don't want to display bad links, but other schemes are okay. */
- if (schemeStatus == KBrsrMalformedUrl)
- {
- box = NULL;
- }
- else
- {
- eventHandler =
- NW_HED_EventHandler_New (NW_HED_DocumentNodeOf (contentHandler), elementNode);
- box = NW_LMgr_ActiveContainerBox_New(
- 0, NW_LMgr_EventHandlerOf (eventHandler), NW_LMgr_ActionType_OpenLink);
- }
-
- /* If elementNode has no children, then insert a box for the link text from the url. */
- if (box && (NW_DOM_Node_getFirstChild(elementNode) == NULL))
- {
- TBrowserStatusCode status;
- NW_Text_t* linkText = NULL;
- NW_Text_t* text = NULL;
- NW_LMgr_TextBox_t* linkTextBox;
- NW_LMgr_Box_t* breakBox = NULL;
-
- NW_Uint16 lineTextArray[4] =
- { NW_XHTML_AttributeToken_id,
- NW_XHTML_AttributeToken_name,
- NW_XHTML_AttributeToken_src,
- NW_XHTML_AttributeToken_title
- };
-
- /* For frames, link text needs to be taken from either "id",
- "name" or "src" attributes, in this order of priority */
- NW_Uint8 i;
-
- for (i = 0; i < 4; i++)
- {
- NW_XHTML_GetDOMAttribute (contentHandler,
- elementNode,
- lineTextArray[i],
- &text);
- // ignore empty text too
- if( text && text->characterCount > 0 )
- {
- break;
- }
- }
-
- if (!text)
- {
- NW_Object_Delete(srcVal);
- if (freeNeeded){
- NW_Str_Delete(storage);
- }
- return NULL;
- }
-
- linkText = NW_Text_Copy(text, NW_TRUE); /* deep copy */
- NW_Object_Delete(text);
- text = NULL;
- linkTextBox = NW_LMgr_TextBox_New (0, linkText);
- status = NW_LMgr_ContainerBox_AddChild (NW_LMgr_ContainerBoxOf(box), NW_LMgr_BoxOf(linkTextBox));
- if (status != KBrsrSuccess)
- {
- NW_Object_Delete(linkTextBox);
- }
-
- breakBox = (NW_LMgr_Box_t*)NW_LMgr_BreakBox_New ((NW_ADT_Vector_Metric_t)1);
- status = NW_LMgr_ContainerBox_AddChild (NW_LMgr_ContainerBoxOf(box), NW_LMgr_BoxOf(breakBox));
-
- if (status != KBrsrSuccess)
- {
- NW_Object_Delete(breakBox);
- }
- }
-
- NW_Object_Delete(srcVal);
- if (freeNeeded){
- NW_Str_Delete(storage);
- }
- }
- if (!box){
- return NULL;
- }
- return NW_LMgr_BoxOf(box);
-}
-
-/* ------------------------------------------------------------------------- *
- class definition
- * ------------------------------------------------------------------------- */
-
-/* ------------------------------------------------------------------------- */
-const
-NW_XHTML_frameElementHandler_Class_t NW_XHTML_frameElementHandler_Class = {
- { /* NW_Object_Core */
- /* super */ &NW_XHTML_ElementHandler_Class,
- /* queryInterface */ _NW_Object_Core_QueryInterface
- },
- { /* NW_XHTML_ElementHandler */
- /* initialize */ _NW_XHTML_ElementHandler_Initialize,
- /* createBoxTree */ _NW_XHTML_frameElementHandler_CreateBoxTree,
- /* processEvent */ _NW_XHTML_frameElementHandler_ProcessEvent
- },
- { /* NW_XHTML_frameElementHandler */
- /* unused */ NW_Object_Unused
- }
-};
-
-/* ------------------------------------------------------------------------- *
- singleton definition
- * ------------------------------------------------------------------------- */
-
-const NW_XHTML_frameElementHandler_t NW_XHTML_frameElementHandler = {
- { { &NW_XHTML_frameElementHandler_Class } }
-};
-
-/* ------------------------------------------------------------------------- *
- virtual methods
- * ------------------------------------------------------------------------- */
-TBrowserStatusCode
-_NW_XHTML_frameElementHandler_CreateBoxTree (const NW_XHTML_ElementHandler_t* elementHandler,
- NW_XHTML_ContentHandler_t* contentHandler,
- NW_DOM_ElementNode_t* elementNode,
- NW_LMgr_ContainerBox_t* parentBox)
-{
- NW_LMgr_Box_t* box = NULL;
-
- NW_TRY (status)
- {
- box = NW_XHTML_frameElementHandler_ImodeCreateBox(elementHandler, contentHandler, elementNode);
-
- if (!box)
- {
- // There was no src attribute, so just return
- NW_THROW_SUCCESS(status);
- }
-
- // Add the box to the tree
- status = NW_LMgr_ContainerBox_AddChild (parentBox, box);
- _NW_THROW_ON_ERROR (status);
-
- // Apply common attributes and styles
- status = NW_XHTML_ElementHandler_ApplyStyles (elementHandler, contentHandler, elementNode, &box, NULL);
- NW_THROW_ON (status, KBrsrOutOfMemory);
-
- // Apply Styles will take care of replacing container box if display was block, list-item or marquee.
- // In case of 'display:none' or an error it removes the container box. That's why we check box
- if (!box)
- {
- NW_THROW_SUCCESS(status);
- }
-
- parentBox = NW_LMgr_ContainerBoxOf (box);
-
- // Invoke our superclass for completion
- status = _NW_XHTML_ElementHandler_CreateBoxTree(elementHandler, contentHandler, elementNode, parentBox);
- }
- NW_CATCH (status)
- {
- if(box)
- {
- NW_Object_Delete(box);
- }
- }
- NW_FINALLY
- {
- return status;
- } NW_END_TRY
-}
-
-/* ------------------------------------------------------------------------- */
-NW_Uint8
-_NW_XHTML_frameElementHandler_ProcessEvent (const NW_XHTML_ElementHandler_t* elementHandler,
- NW_XHTML_ContentHandler_t* contentHandler,
- NW_DOM_ElementNode_t* elementNode,
- NW_LMgr_Box_t* box,
- NW_Evt_Event_t* event)
-{
- NW_Text_t* url = NULL;
- TBrowserStatusCode status;
-
- NW_REQUIRED_PARAM(elementHandler);
- NW_REQUIRED_PARAM(box);
-
- // we are really only interested in the following events
- if ((NW_Object_Core_GetClass (event) != &NW_Evt_ActivateEvent_Class) &&
- (NW_Object_Core_GetClass (event) != &NW_Evt_FocusEvent_Class))
- {
- return NW_LMgr_EventNotAbsorbed;
- }
-
- if(NW_Object_Core_GetClass (event) == &NW_Evt_FocusEvent_Class)
- {
- return NW_LMgr_EventAbsorbed;
- }
-
- // find the 'src' attribute and get its string value
- NW_XHTML_GetDOMAttribute (contentHandler,
- elementNode,
- NW_XHTML_AttributeToken_src, &url);
-
- // if there is no 'src' value, see if an 'href' value is specified
- if (!url)
- {
- NW_XHTML_GetDOMAttribute (contentHandler,
- elementNode,
- NW_XHTML_AttributeToken_href, &url);
- }
-
- if (!url)
- {
- NW_XHTML_frameElementHandler_getBaseTagUrl (contentHandler, &url);
- }
-
-
- if (!url)
- {
- return NW_LMgr_EventAbsorbed;
- }
-
- // load the content
- status = NW_XHTML_ContentHandler_StartLoad (contentHandler, NW_TextOf (url),
- NW_HED_UrlRequest_Reason_DocLoad, elementNode, NW_UrlRequest_Type_Any);
-
- NW_Object_Delete(url);
-
- if (status != KBrsrSuccess)
- {
- NW_HED_DocumentNode_HandleError (contentHandler,
- NW_HED_ContentHandler_GetUrlRequest (contentHandler),
- BRSR_STAT_CLASS_GENERAL, (NW_WaeError_t) status);
- }
-
- // we absorbed the event!
- return NW_LMgr_EventAbsorbed;
-}
-
-//
-// Get the URL in base tag defined in header, this value can be used to combine with
-// relative URL to figure out the absolute URL.
-//
-static TBrowserStatusCode
-NW_XHTML_frameElementHandler_getBaseTagUrl (NW_XHTML_ContentHandler_t* contentHandler,
- NW_Text_t** srcVal)
-{
- NW_DOM_Node_t* baseElement;
- NW_String_t href;
-
- NW_ASSERT (srcVal);
-
- // get the base url as found in the "base" element
- baseElement = NW_HED_DomHelper_FindElement (&contentHandler->domHelper, NW_HED_DomTree_GetRootNode (
- contentHandler->domTree), 3, NW_XHTML_ElementToken_base, 0, NULL);
-
- if (baseElement)
- {
- TBrowserStatusCode status = NW_HED_DomHelper_GetAttributeValue (&contentHandler->domHelper, baseElement,
- NW_XHTML_AttributeToken_href, &href);
-
- if (status == KBrsrSuccess)
- {
- *srcVal = (NW_Text_t*) NW_Text_UCS2_New (href.storage, 0, NW_Text_Flags_TakeOwnership);
- }
- }
- return KBrsrSuccess;
-}