void
lo_UnblockLayout(MWContext *context, lo_TopState *top_state)
{
XP_ASSERT(top_state && top_state->doc_state);
if (!top_state || !top_state->doc_state)
return;
top_state->layout_blocking_element = NULL;
lo_FlushBlockage(context, top_state->doc_state, top_state->doc_state);
}
void
LO_ClearJavaAppBlock(MWContext *context, LO_JavaAppStruct *java_app)
{
int32 doc_id;
lo_TopState *top_state;
lo_DocState *main_doc_state;
lo_DocState *state;
/*
* Get the unique document ID, and retreive this
* documents layout state.
*/
doc_id = XP_DOCID(context);
top_state = lo_FetchTopState(doc_id);
if ((top_state == NULL)||(top_state->doc_state == NULL))
{
return;
}
if (top_state->layout_blocking_element == (LO_Element *)java_app)
{
if (java_app->width == 0)
{
java_app->width = JAVA_DEF_DIM;
}
if (java_app->height == 0)
{
java_app->height = JAVA_DEF_DIM;
}
main_doc_state = top_state->doc_state;
state = lo_CurrentSubState(main_doc_state);
lo_FinishJavaApp(context, state, java_app);
lo_FlushBlockage(context, state, main_doc_state);
}
}
/*
* A script has just completed. If we are blocked on that script
* free the blockage
*/
static void
lo_unblock_script_tag(MWContext * context, Bool messWithParser)
{
lo_TopState *top_state;
lo_DocState *state;
LO_Element * block_ele;
LO_Element * current_script;
PA_Tag * tag;
NET_StreamClass stream;
top_state = lo_FetchTopState(XP_DOCID(context));
if (!top_state || !top_state->doc_state)
return;
state = top_state->doc_state;
/*
* Remember the fake element we created but clear the current
* script flag of the top_state since the FlushBlockage call
* might just turn around and block us on another script
*/
current_script = top_state->current_script;
top_state->current_script = NULL;
/*
* if we are finishing a nested script make sure the current_script
* points to our parent script
*/
for (tag = top_state->tags; tag; tag = tag->next) {
if (tag->type == P_NSCP_REBLOCK) {
top_state->current_script = tag->lo_data;
break;
}
}
/* Flush tags blocked by this <SCRIPT SRC="URL"> tag. */
block_ele = top_state->layout_blocking_element;
/* no longer in a script */
top_state->in_script = SCRIPT_TYPE_NOT;
/*
* we must be blocked on something either the script that just ended or
* some other object
*/
if (!block_ele)
goto done;
if (messWithParser && top_state->doc_data &&
SCRIPT_EXEC_OK(top_state, state, block_ele->type, LO_SCRIPT)) {
top_state->doc_data->overflow_depth --;
XP_ASSERT(top_state->doc_data->overflow_depth >= 0);
}
lo_FlushLineBuffer(context, top_state->doc_state);
/*
* unblock on UNKNOWN's as well since that's the type for
* style attribute scripts
*/
if (block_ele->type == LO_SCRIPT || block_ele->type == LO_UNKNOWN) {
lo_UnblockLayout(context, top_state);
}
else {
/*
* we're still blocked on something else - make sure
* there are no reblock tags that are going to hose
* us. Find the reblock tags that point to our script
* tag and render them hermless
*/
PA_Tag * tag;
for (tag = top_state->tags; tag; tag = tag->next) {
if (tag->type == P_NSCP_REBLOCK) {
LO_Element * lo_ele = tag->lo_data;
if (lo_ele == current_script) {
tag->lo_data = NULL;
}
}
}
}
/* free the fake element we created earlier */
lo_FreeElement(context, current_script, FALSE);
done:
/* the parser is now able to receive new data from netlib */
stream.data_object=(pa_DocData *)top_state->doc_data;
pa_FlushOverflow(&stream);
/*
* The initial call to lo_UnblockLayout() might have not torn
* everything down because we were waiting for the last
* chunk of data to come out of the doc_data->overflow_buf
* We need to get to lo_FlushedBlockedTags() and lo_FinishLayout()
* at the bottom of lo_FlushBlockage().
*/
if (!top_state->layout_blocking_element)
lo_FlushBlockage(context, top_state->doc_state, top_state->doc_state);
}